diff options
Diffstat (limited to 'lib/simplepie/library/SimplePie')
34 files changed, 16628 insertions, 0 deletions
diff --git a/lib/simplepie/library/SimplePie/Author.php b/lib/simplepie/library/SimplePie/Author.php new file mode 100644 index 000000000..14794cf27 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Author.php @@ -0,0 +1,149 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Manages all author-related data + * + * Used by {@see SimplePie_Item::get_author()} and {@see SimplePie::get_authors()} + * + * This class can be overloaded with {@see SimplePie::set_author_class()} + * + * @package SimplePie + * @subpackage API + */ +class SimplePie_Author +{ + /** + * Author's name + * + * @var string + * @see get_name() + */ + var $name; + + /** + * Author's link + * + * @var string + * @see get_link() + */ + var $link; + + /** + * Author's email address + * + * @var string + * @see get_email() + */ + var $email; + + /** + * Constructor, used to input the data + * + * @param string $name + * @param string $link + * @param string $email + */ + public function __construct($name = null, $link = null, $email = null) + { + $this->name = $name; + $this->link = $link; + $this->email = $email; + } + + /** + * String-ified version + * + * @return string + */ + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + /** + * Author's name + * + * @return string|null + */ + public function get_name() + { + if ($this->name !== null) + { + return $this->name; + } + + return null; + } + + /** + * Author's link + * + * @return string|null + */ + public function get_link() + { + if ($this->link !== null) + { + return $this->link; + } + + return null; + } + + /** + * Author's email address + * + * @return string|null + */ + public function get_email() + { + if ($this->email !== null) + { + return $this->email; + } + + return null; + } +} diff --git a/lib/simplepie/library/SimplePie/Cache.php b/lib/simplepie/library/SimplePie/Cache.php new file mode 100644 index 000000000..d98cc6511 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Cache.php @@ -0,0 +1,134 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Used to create cache objects + * + * This class can be overloaded with {@see SimplePie::set_cache_class()}, + * although the preferred way is to create your own handler + * via {@see register()} + * + * @package SimplePie + * @subpackage Caching + */ +class SimplePie_Cache +{ + /** + * Cache handler classes + * + * These receive 3 parameters to their constructor, as documented in + * {@see register()} + * @var array + */ + protected static $handlers = array( + 'mysql' => 'SimplePie_Cache_MySQL', + 'memcache' => 'SimplePie_Cache_Memcache', + 'memcached' => 'SimplePie_Cache_Memcached', + 'redis' => 'SimplePie_Cache_Redis' + ); + + /** + * Don't call the constructor. Please. + */ + private function __construct() { } + + /** + * Create a new SimplePie_Cache object + * + * @param string $location URL location (scheme is used to determine handler) + * @param string $filename Unique identifier for cache object + * @param string $extension 'spi' or 'spc' + * @return SimplePie_Cache_Base Type of object depends on scheme of `$location` + */ + public static function get_handler($location, $filename, $extension) + { + $type = explode(':', $location, 2); + $type = $type[0]; + if (!empty(self::$handlers[$type])) + { + $class = self::$handlers[$type]; + return new $class($location, $filename, $extension); + } + + return new SimplePie_Cache_File($location, $filename, $extension); + } + + /** + * Create a new SimplePie_Cache object + * + * @deprecated Use {@see get_handler} instead + */ + public function create($location, $filename, $extension) + { + trigger_error('Cache::create() has been replaced with Cache::get_handler(). Switch to the registry system to use this.', E_USER_DEPRECATED); + return self::get_handler($location, $filename, $extension); + } + + /** + * Register a handler + * + * @param string $type DSN type to register for + * @param string $class Name of handler class. Must implement SimplePie_Cache_Base + */ + public static function register($type, $class) + { + self::$handlers[$type] = $class; + } + + /** + * Parse a URL into an array + * + * @param string $url + * @return array + */ + public static function parse_URL($url) + { + $params = parse_url($url); + $params['extras'] = array(); + if (isset($params['query'])) + { + parse_str($params['query'], $params['extras']); + } + return $params; + } +} diff --git a/lib/simplepie/library/SimplePie/Cache/Base.php b/lib/simplepie/library/SimplePie/Cache/Base.php new file mode 100644 index 000000000..333fb05cf --- /dev/null +++ b/lib/simplepie/library/SimplePie/Cache/Base.php @@ -0,0 +1,113 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Base for cache objects + * + * Classes to be used with {@see SimplePie_Cache::register()} are expected + * to implement this interface. + * + * @package SimplePie + * @subpackage Caching + */ +interface SimplePie_Cache_Base +{ + /** + * Feed cache type + * + * @var string + */ + const TYPE_FEED = 'spc'; + + /** + * Image cache type + * + * @var string + */ + const TYPE_IMAGE = 'spi'; + + /** + * Create a new cache object + * + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $type); + + /** + * Save data to the cache + * + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data); + + /** + * Retrieve the data saved to the cache + * + * @return array Data for SimplePie::$data + */ + public function load(); + + /** + * Retrieve the last modified time for the cache + * + * @return int Timestamp + */ + public function mtime(); + + /** + * Set the last modified time to the current time + * + * @return bool Success status + */ + public function touch(); + + /** + * Remove the cache + * + * @return bool Success status + */ + public function unlink(); +} diff --git a/lib/simplepie/library/SimplePie/Cache/DB.php b/lib/simplepie/library/SimplePie/Cache/DB.php new file mode 100644 index 000000000..7e8f77532 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Cache/DB.php @@ -0,0 +1,136 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Base class for database-based caches + * + * @package SimplePie + * @subpackage Caching + */ +abstract class SimplePie_Cache_DB implements SimplePie_Cache_Base +{ + /** + * Helper for database conversion + * + * Converts a given {@see SimplePie} object into data to be stored + * + * @param SimplePie $data + * @return array First item is the serialized data for storage, second item is the unique ID for this item + */ + protected static function prepare_simplepie_object_for_cache($data) + { + $items = $data->get_items(); + $items_by_id = array(); + + if (!empty($items)) + { + foreach ($items as $item) + { + $items_by_id[$item->get_id()] = $item; + } + + if (count($items_by_id) !== count($items)) + { + $items_by_id = array(); + foreach ($items as $item) + { + $items_by_id[$item->get_id(true)] = $item; + } + } + + if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]; + } + elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]; + } + elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]; + } + elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]; + } + else + { + $channel = null; + } + + if ($channel !== null) + { + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']); + } + } + if (isset($data->data['items'])) + { + unset($data->data['items']); + } + if (isset($data->data['ordered_items'])) + { + unset($data->data['ordered_items']); + } + } + return array(serialize($data->data), $items_by_id); + } +} diff --git a/lib/simplepie/library/SimplePie/Cache/File.php b/lib/simplepie/library/SimplePie/Cache/File.php new file mode 100644 index 000000000..6ba6c5f6e --- /dev/null +++ b/lib/simplepie/library/SimplePie/Cache/File.php @@ -0,0 +1,164 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Caches data to the filesystem + * + * @package SimplePie + * @subpackage Caching + */ +class SimplePie_Cache_File implements SimplePie_Cache_Base +{ + /** + * Location string + * + * @see SimplePie::$cache_location + * @var string + */ + protected $location; + + /** + * Filename + * + * @var string + */ + protected $filename; + + /** + * File extension + * + * @var string + */ + protected $extension; + + /** + * File path + * + * @var string + */ + protected $name; + + /** + * Create a new cache object + * + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $type) + { + $this->location = $location; + $this->filename = $name; + $this->extension = $type; + $this->name = "$this->location/$this->filename.$this->extension"; + } + + /** + * Save data to the cache + * + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data) + { + if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location)) + { + if ($data instanceof SimplePie) + { + $data = $data->data; + } + + $data = serialize($data); + return (bool) file_put_contents($this->name, $data); + } + return false; + } + + /** + * Retrieve the data saved to the cache + * + * @return array Data for SimplePie::$data + */ + public function load() + { + if (file_exists($this->name) && is_readable($this->name)) + { + return unserialize(file_get_contents($this->name)); + } + return false; + } + + /** + * Retrieve the last modified time for the cache + * + * @return int Timestamp + */ + public function mtime() + { + return @filemtime($this->name); + } + + /** + * Set the last modified time to the current time + * + * @return bool Success status + */ + public function touch() + { + return @touch($this->name); + } + + /** + * Remove the cache + * + * @return bool Success status + */ + public function unlink() + { + if (file_exists($this->name)) + { + return unlink($this->name); + } + return false; + } +} diff --git a/lib/simplepie/library/SimplePie/Cache/Memcache.php b/lib/simplepie/library/SimplePie/Cache/Memcache.php new file mode 100644 index 000000000..5190eef93 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Cache/Memcache.php @@ -0,0 +1,180 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Caches data to memcache + * + * Registered for URLs with the "memcache" protocol + * + * For example, `memcache://localhost:11211/?timeout=3600&prefix=sp_` will + * connect to memcache on `localhost` on port 11211. All tables will be + * prefixed with `sp_` and data will expire after 3600 seconds + * + * @package SimplePie + * @subpackage Caching + * @uses Memcache + */ +class SimplePie_Cache_Memcache implements SimplePie_Cache_Base +{ + /** + * Memcache instance + * + * @var Memcache + */ + protected $cache; + + /** + * Options + * + * @var array + */ + protected $options; + + /** + * Cache name + * + * @var string + */ + protected $name; + + /** + * Create a new cache object + * + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $type) + { + $this->options = array( + 'host' => '127.0.0.1', + 'port' => 11211, + 'extras' => array( + 'timeout' => 3600, // one hour + 'prefix' => 'simplepie_', + ), + ); + $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location)); + + $this->name = $this->options['extras']['prefix'] . md5("$name:$type"); + + $this->cache = new Memcache(); + $this->cache->addServer($this->options['host'], (int) $this->options['port']); + } + + /** + * Save data to the cache + * + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data) + { + if ($data instanceof SimplePie) + { + $data = $data->data; + } + return $this->cache->set($this->name, serialize($data), MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']); + } + + /** + * Retrieve the data saved to the cache + * + * @return array Data for SimplePie::$data + */ + public function load() + { + $data = $this->cache->get($this->name); + + if ($data !== false) + { + return unserialize($data); + } + return false; + } + + /** + * Retrieve the last modified time for the cache + * + * @return int Timestamp + */ + public function mtime() + { + $data = $this->cache->get($this->name); + + if ($data !== false) + { + // essentially ignore the mtime because Memcache expires on its own + return time(); + } + + return false; + } + + /** + * Set the last modified time to the current time + * + * @return bool Success status + */ + public function touch() + { + $data = $this->cache->get($this->name); + + if ($data !== false) + { + return $this->cache->set($this->name, $data, MEMCACHE_COMPRESSED, (int) $this->options['extras']['timeout']); + } + + return false; + } + + /** + * Remove the cache + * + * @return bool Success status + */ + public function unlink() + { + return $this->cache->delete($this->name, 0); + } +} diff --git a/lib/simplepie/library/SimplePie/Cache/Memcached.php b/lib/simplepie/library/SimplePie/Cache/Memcached.php new file mode 100755 index 000000000..1f73b3890 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Cache/Memcached.php @@ -0,0 +1,166 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Caches data to memcached + * + * Registered for URLs with the "memcached" protocol + * + * For example, `memcached://localhost:11211/?timeout=3600&prefix=sp_` will + * connect to memcached on `localhost` on port 11211. All tables will be + * prefixed with `sp_` and data will expire after 3600 seconds + * + * @package SimplePie + * @subpackage Caching + * @author Paul L. McNeely + * @uses Memcached + */ +class SimplePie_Cache_Memcached implements SimplePie_Cache_Base +{ + /** + * Memcached instance + * @var Memcached + */ + protected $cache; + + /** + * Options + * @var array + */ + protected $options; + + /** + * Cache name + * @var string + */ + protected $name; + + /** + * Create a new cache object + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $type) { + $this->options = array( + 'host' => '127.0.0.1', + 'port' => 11211, + 'extras' => array( + 'timeout' => 3600, // one hour + 'prefix' => 'simplepie_', + ), + ); + $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location)); + + $this->name = $this->options['extras']['prefix'] . md5("$name:$type"); + + $this->cache = new Memcached(); + $this->cache->addServer($this->options['host'], (int)$this->options['port']); + } + + /** + * Save data to the cache + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data) { + if ($data instanceof SimplePie) { + $data = $data->data; + } + + return $this->setData(serialize($data)); + } + + /** + * Retrieve the data saved to the cache + * @return array Data for SimplePie::$data + */ + public function load() { + $data = $this->cache->get($this->name); + + if ($data !== false) { + return unserialize($data); + } + return false; + } + + /** + * Retrieve the last modified time for the cache + * @return int Timestamp + */ + public function mtime() { + $data = $this->cache->get($this->name . '_mtime'); + return (int) $data; + } + + /** + * Set the last modified time to the current time + * @return bool Success status + */ + public function touch() { + $data = $this->cache->get($this->name); + return $this->setData($data); + } + + /** + * Remove the cache + * @return bool Success status + */ + public function unlink() { + return $this->cache->delete($this->name, 0); + } + + /** + * Set the last modified time and data to Memcached + * @return bool Success status + */ + private function setData($data) { + + if ($data !== false) { + $this->cache->set($this->name . '_mtime', time(), (int)$this->options['extras']['timeout']); + return $this->cache->set($this->name, $data, (int)$this->options['extras']['timeout']); + } + + return false; + } +} diff --git a/lib/simplepie/library/SimplePie/Cache/MySQL.php b/lib/simplepie/library/SimplePie/Cache/MySQL.php new file mode 100644 index 000000000..061ed043a --- /dev/null +++ b/lib/simplepie/library/SimplePie/Cache/MySQL.php @@ -0,0 +1,440 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Caches data to a MySQL database + * + * Registered for URLs with the "mysql" protocol + * + * For example, `mysql://root:password@localhost:3306/mydb?prefix=sp_` will + * connect to the `mydb` database on `localhost` on port 3306, with the user + * `root` and the password `password`. All tables will be prefixed with `sp_` + * + * @package SimplePie + * @subpackage Caching + */ +class SimplePie_Cache_MySQL extends SimplePie_Cache_DB +{ + /** + * PDO instance + * + * @var PDO + */ + protected $mysql; + + /** + * Options + * + * @var array + */ + protected $options; + + /** + * Cache ID + * + * @var string + */ + protected $id; + + /** + * Create a new cache object + * + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $type) + { + $this->options = array( + 'user' => null, + 'pass' => null, + 'host' => '127.0.0.1', + 'port' => '3306', + 'path' => '', + 'extras' => array( + 'prefix' => '', + 'cache_purge_time' => 2592000 + ), + ); + + $this->options = SimplePie_Misc::array_merge_recursive($this->options, SimplePie_Cache::parse_URL($location)); + + // Path is prefixed with a "/" + $this->options['dbname'] = substr($this->options['path'], 1); + + try + { + $this->mysql = new PDO("mysql:dbname={$this->options['dbname']};host={$this->options['host']};port={$this->options['port']}", $this->options['user'], $this->options['pass'], array(PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8')); + } + catch (PDOException $e) + { + $this->mysql = null; + return; + } + + $this->id = $name . $type; + + if (!$query = $this->mysql->query('SHOW TABLES')) + { + $this->mysql = null; + return; + } + + $db = array(); + while ($row = $query->fetchColumn()) + { + $db[] = $row; + } + + if (!in_array($this->options['extras']['prefix'] . 'cache_data', $db)) + { + $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))'); + if ($query === false) + { + trigger_error("Can't create " . $this->options['extras']['prefix'] . "cache_data table, check permissions", E_USER_WARNING); + $this->mysql = null; + return; + } + } + + if (!in_array($this->options['extras']['prefix'] . 'items', $db)) + { + $query = $this->mysql->exec('CREATE TABLE `' . $this->options['extras']['prefix'] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` MEDIUMBLOB NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))'); + if ($query === false) + { + trigger_error("Can't create " . $this->options['extras']['prefix'] . "items table, check permissions", E_USER_WARNING); + $this->mysql = null; + return; + } + } + } + + /** + * Save data to the cache + * + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data) + { + if ($this->mysql === null) + { + return false; + } + + $query = $this->mysql->prepare('DELETE i, cd FROM `' . $this->options['extras']['prefix'] . 'cache_data` cd, ' . + '`' . $this->options['extras']['prefix'] . 'items` i ' . + 'WHERE cd.id = i.feed_id ' . + 'AND cd.mtime < (unix_timestamp() - :purge_time)'); + $query->bindValue(':purge_time', $this->options['extras']['cache_purge_time']); + + if (!$query->execute()) + { + return false; + } + + if ($data instanceof SimplePie) + { + $data = clone $data; + + $prepared = self::prepare_simplepie_object_for_cache($data); + + $query = $this->mysql->prepare('SELECT COUNT(*) FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed'); + $query->bindValue(':feed', $this->id); + if ($query->execute()) + { + if ($query->fetchColumn() > 0) + { + $items = count($prepared[1]); + if ($items) + { + $sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = :items, `data` = :data, `mtime` = :time WHERE `id` = :feed'; + $query = $this->mysql->prepare($sql); + $query->bindValue(':items', $items); + } + else + { + $sql = 'UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `data` = :data, `mtime` = :time WHERE `id` = :feed'; + $query = $this->mysql->prepare($sql); + } + + $query->bindValue(':data', $prepared[0]); + $query->bindValue(':time', time()); + $query->bindValue(':feed', $this->id); + if (!$query->execute()) + { + return false; + } + } + else + { + $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:feed, :count, :data, :time)'); + $query->bindValue(':feed', $this->id); + $query->bindValue(':count', count($prepared[1])); + $query->bindValue(':data', $prepared[0]); + $query->bindValue(':time', time()); + if (!$query->execute()) + { + return false; + } + } + + $ids = array_keys($prepared[1]); + if (!empty($ids)) + { + foreach ($ids as $id) + { + $database_ids[] = $this->mysql->quote($id); + } + + $query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `id` = ' . implode(' OR `id` = ', $database_ids) . ' AND `feed_id` = :feed'); + $query->bindValue(':feed', $this->id); + + if ($query->execute()) + { + $existing_ids = array(); + while ($row = $query->fetchColumn()) + { + $existing_ids[] = $row; + } + + $new_ids = array_diff($ids, $existing_ids); + + foreach ($new_ids as $new_id) + { + if (!($date = $prepared[1][$new_id]->get_date('U'))) + { + $date = time(); + } + + $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(:feed, :id, :data, :date)'); + $query->bindValue(':feed', $this->id); + $query->bindValue(':id', $new_id); + $query->bindValue(':data', serialize($prepared[1][$new_id]->data)); + $query->bindValue(':date', $date); + if (!$query->execute()) + { + return false; + } + } + return true; + } + } + else + { + return true; + } + } + } + else + { + $query = $this->mysql->prepare('SELECT `id` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :feed'); + $query->bindValue(':feed', $this->id); + if ($query->execute()) + { + if ($query->rowCount() > 0) + { + $query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `items` = 0, `data` = :data, `mtime` = :time WHERE `id` = :feed'); + $query->bindValue(':data', serialize($data)); + $query->bindValue(':time', time()); + $query->bindValue(':feed', $this->id); + if ($this->execute()) + { + return true; + } + } + else + { + $query = $this->mysql->prepare('INSERT INTO `' . $this->options['extras']['prefix'] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(:id, 0, :data, :time)'); + $query->bindValue(':id', $this->id); + $query->bindValue(':data', serialize($data)); + $query->bindValue(':time', time()); + if ($query->execute()) + { + return true; + } + } + } + } + return false; + } + + /** + * Retrieve the data saved to the cache + * + * @return array Data for SimplePie::$data + */ + public function load() + { + if ($this->mysql === null) + { + return false; + } + + $query = $this->mysql->prepare('SELECT `items`, `data` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id'); + $query->bindValue(':id', $this->id); + if ($query->execute() && ($row = $query->fetch())) + { + $data = unserialize($row[1]); + + if (isset($this->options['items'][0])) + { + $items = (int) $this->options['items'][0]; + } + else + { + $items = (int) $row[0]; + } + + if ($items !== 0) + { + if (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0])) + { + $feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]; + } + elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0])) + { + $feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]; + } + elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0])) + { + $feed =& $data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]; + } + elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0])) + { + $feed =& $data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]; + } + else + { + $feed = null; + } + + if ($feed !== null) + { + $sql = 'SELECT `data` FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :feed ORDER BY `posted` DESC'; + if ($items > 0) + { + $sql .= ' LIMIT ' . $items; + } + + $query = $this->mysql->prepare($sql); + $query->bindValue(':feed', $this->id); + if ($query->execute()) + { + while ($row = $query->fetchColumn()) + { + $feed['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'][] = unserialize($row); + } + } + else + { + return false; + } + } + } + return $data; + } + return false; + } + + /** + * Retrieve the last modified time for the cache + * + * @return int Timestamp + */ + public function mtime() + { + if ($this->mysql === null) + { + return false; + } + + $query = $this->mysql->prepare('SELECT `mtime` FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id'); + $query->bindValue(':id', $this->id); + if ($query->execute() && ($time = $query->fetchColumn())) + { + return $time; + } + + return false; + } + + /** + * Set the last modified time to the current time + * + * @return bool Success status + */ + public function touch() + { + if ($this->mysql === null) + { + return false; + } + + $query = $this->mysql->prepare('UPDATE `' . $this->options['extras']['prefix'] . 'cache_data` SET `mtime` = :time WHERE `id` = :id'); + $query->bindValue(':time', time()); + $query->bindValue(':id', $this->id); + + return $query->execute() && $query->rowCount() > 0; + } + + /** + * Remove the cache + * + * @return bool Success status + */ + public function unlink() + { + if ($this->mysql === null) + { + return false; + } + + $query = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'cache_data` WHERE `id` = :id'); + $query->bindValue(':id', $this->id); + $query2 = $this->mysql->prepare('DELETE FROM `' . $this->options['extras']['prefix'] . 'items` WHERE `feed_id` = :id'); + $query2->bindValue(':id', $this->id); + + return $query->execute() && $query2->execute(); + } +} diff --git a/lib/simplepie/library/SimplePie/Cache/Redis.php b/lib/simplepie/library/SimplePie/Cache/Redis.php new file mode 100644 index 000000000..dbc88e829 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Cache/Redis.php @@ -0,0 +1,172 @@ +<?php + +/** + * SimplePie Redis Cache Extension + * + * @package SimplePie + * @author Jan Kozak <galvani78@gmail.com> + * @link http://galvani.cz/ + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + * @version 0.2.9 + */ + + +/** + * Caches data to redis + * + * Registered for URLs with the "redis" protocol + * + * For example, `redis://localhost:6379/?timeout=3600&prefix=sp_&dbIndex=0` will + * connect to redis on `localhost` on port 6379. All tables will be + * prefixed with `simple_primary-` and data will expire after 3600 seconds + * + * @package SimplePie + * @subpackage Caching + * @uses Redis + */ +class SimplePie_Cache_Redis implements SimplePie_Cache_Base { + /** + * Redis instance + * + * @var \Redis + */ + protected $cache; + + /** + * Options + * + * @var array + */ + protected $options; + + /** + * Cache name + * + * @var string + */ + protected $name; + + /** + * Cache Data + * + * @var type + */ + protected $data; + + /** + * Create a new cache object + * + * @param string $location Location string (from SimplePie::$cache_location) + * @param string $name Unique ID for the cache + * @param string $type Either TYPE_FEED for SimplePie data, or TYPE_IMAGE for image data + */ + public function __construct($location, $name, $options = null) { + //$this->cache = \flow\simple\cache\Redis::getRedisClientInstance(); + $parsed = SimplePie_Cache::parse_URL($location); + $redis = new Redis(); + $redis->connect($parsed['host'], $parsed['port']); + if (isset($parsed['pass'])) { + $redis->auth($parsed['pass']); + } + if (isset($parsed['path'])) { + $redis->select((int)substr($parsed['path'], 1)); + } + $this->cache = $redis; + + if (!is_null($options) && is_array($options)) { + $this->options = $options; + } else { + $this->options = array ( + 'prefix' => 'rss:simple_primary:', + 'expire' => 0, + ); + } + + $this->name = $this->options['prefix'] . $name; + } + + /** + * @param \Redis $cache + */ + public function setRedisClient(\Redis $cache) { + $this->cache = $cache; + } + + /** + * Save data to the cache + * + * @param array|SimplePie $data Data to store in the cache. If passed a SimplePie object, only cache the $data property + * @return bool Successfulness + */ + public function save($data) { + if ($data instanceof SimplePie) { + $data = $data->data; + } + $response = $this->cache->set($this->name, serialize($data)); + if ($this->options['expire']) { + $this->cache->expire($this->name, $this->options['expire']); + } + + return $response; + } + + /** + * Retrieve the data saved to the cache + * + * @return array Data for SimplePie::$data + */ + public function load() { + $data = $this->cache->get($this->name); + + if ($data !== false) { + return unserialize($data); + } + return false; + } + + /** + * Retrieve the last modified time for the cache + * + * @return int Timestamp + */ + public function mtime() { + + $data = $this->cache->get($this->name); + + if ($data !== false) { + return time(); + } + + return false; + } + + /** + * Set the last modified time to the current time + * + * @return bool Success status + */ + public function touch() { + + $data = $this->cache->get($this->name); + + if ($data !== false) { + $return = $this->cache->set($this->name, $data); + if ($this->options['expire']) { + return $this->cache->expire($this->name, $this->ttl); + } + return $return; + } + + return false; + } + + /** + * Remove the cache + * + * @return bool Success status + */ + public function unlink() { + return $this->cache->set($this->name, null); + } + +} diff --git a/lib/simplepie/library/SimplePie/Caption.php b/lib/simplepie/library/SimplePie/Caption.php new file mode 100644 index 000000000..854857603 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Caption.php @@ -0,0 +1,198 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + + +/** + * Handles `<media:text>` captions as defined in Media RSS. + * + * Used by {@see SimplePie_Enclosure::get_caption()} and {@see SimplePie_Enclosure::get_captions()} + * + * This class can be overloaded with {@see SimplePie::set_caption_class()} + * + * @package SimplePie + * @subpackage API + */ +class SimplePie_Caption +{ + /** + * Content type + * + * @var string + * @see get_type() + */ + var $type; + + /** + * Language + * + * @var string + * @see get_language() + */ + var $lang; + + /** + * Start time + * + * @var string + * @see get_starttime() + */ + var $startTime; + + /** + * End time + * + * @var string + * @see get_endtime() + */ + var $endTime; + + /** + * Caption text + * + * @var string + * @see get_text() + */ + var $text; + + /** + * Constructor, used to input the data + * + * For documentation on all the parameters, see the corresponding + * properties and their accessors + */ + public function __construct($type = null, $lang = null, $startTime = null, $endTime = null, $text = null) + { + $this->type = $type; + $this->lang = $lang; + $this->startTime = $startTime; + $this->endTime = $endTime; + $this->text = $text; + } + + /** + * String-ified version + * + * @return string + */ + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + /** + * Get the end time + * + * @return string|null Time in the format 'hh:mm:ss.SSS' + */ + public function get_endtime() + { + if ($this->endTime !== null) + { + return $this->endTime; + } + + return null; + } + + /** + * Get the language + * + * @link http://tools.ietf.org/html/rfc3066 + * @return string|null Language code as per RFC 3066 + */ + public function get_language() + { + if ($this->lang !== null) + { + return $this->lang; + } + + return null; + } + + /** + * Get the start time + * + * @return string|null Time in the format 'hh:mm:ss.SSS' + */ + public function get_starttime() + { + if ($this->startTime !== null) + { + return $this->startTime; + } + + return null; + } + + /** + * Get the text of the caption + * + * @return string|null + */ + public function get_text() + { + if ($this->text !== null) + { + return $this->text; + } + + return null; + } + + /** + * Get the content type (not MIME type) + * + * @return string|null Either 'text' or 'html' + */ + public function get_type() + { + if ($this->type !== null) + { + return $this->type; + } + + return null; + } +} diff --git a/lib/simplepie/library/SimplePie/Category.php b/lib/simplepie/library/SimplePie/Category.php new file mode 100644 index 000000000..df0f13f9a --- /dev/null +++ b/lib/simplepie/library/SimplePie/Category.php @@ -0,0 +1,163 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Manages all category-related data + * + * Used by {@see SimplePie_Item::get_category()} and {@see SimplePie_Item::get_categories()} + * + * This class can be overloaded with {@see SimplePie::set_category_class()} + * + * @package SimplePie + * @subpackage API + */ +class SimplePie_Category +{ + /** + * Category identifier + * + * @var string|null + * @see get_term + */ + var $term; + + /** + * Categorization scheme identifier + * + * @var string|null + * @see get_scheme() + */ + var $scheme; + + /** + * Human readable label + * + * @var string|null + * @see get_label() + */ + var $label; + + /** + * Category type + * + * category for <category> + * subject for <dc:subject> + * + * @var string|null + * @see get_type() + */ + var $type; + + /** + * Constructor, used to input the data + * + * @param string|null $term + * @param string|null $scheme + * @param string|null $label + * @param string|null $type + */ + public function __construct($term = null, $scheme = null, $label = null, $type = null) + { + $this->term = $term; + $this->scheme = $scheme; + $this->label = $label; + $this->type = $type; + } + + /** + * String-ified version + * + * @return string + */ + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + /** + * Get the category identifier + * + * @return string|null + */ + public function get_term() + { + return $this->term; + } + + /** + * Get the categorization scheme identifier + * + * @return string|null + */ + public function get_scheme() + { + return $this->scheme; + } + + /** + * Get the human readable label + * + * @param bool $strict + * @return string|null + */ + public function get_label($strict = false) + { + if ($this->label === null && $strict !== true) + { + return $this->get_term(); + } + return $this->label; + } + + /** + * Get the category type + * + * @return string|null + */ + public function get_type() + { + return $this->type; + } +} + diff --git a/lib/simplepie/library/SimplePie/Content/Type/Sniffer.php b/lib/simplepie/library/SimplePie/Content/Type/Sniffer.php new file mode 100644 index 000000000..b86dfa33c --- /dev/null +++ b/lib/simplepie/library/SimplePie/Content/Type/Sniffer.php @@ -0,0 +1,318 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + + +/** + * Content-type sniffing + * + * Based on the rules in http://tools.ietf.org/html/draft-abarth-mime-sniff-06 + * + * This is used since we can't always trust Content-Type headers, and is based + * upon the HTML5 parsing rules. + * + * + * This class can be overloaded with {@see SimplePie::set_content_type_sniffer_class()} + * + * @package SimplePie + * @subpackage HTTP + */ +class SimplePie_Content_Type_Sniffer +{ + /** + * File object + * + * @var SimplePie_File + */ + var $file; + + /** + * Create an instance of the class with the input file + * + * @param SimplePie_Content_Type_Sniffer $file Input file + */ + public function __construct($file) + { + $this->file = $file; + } + + /** + * Get the Content-Type of the specified file + * + * @return string Actual Content-Type + */ + public function get_type() + { + if (isset($this->file->headers['content-type'])) + { + if (!isset($this->file->headers['content-encoding']) + && ($this->file->headers['content-type'] === 'text/plain' + || $this->file->headers['content-type'] === 'text/plain; charset=ISO-8859-1' + || $this->file->headers['content-type'] === 'text/plain; charset=iso-8859-1' + || $this->file->headers['content-type'] === 'text/plain; charset=UTF-8')) + { + return $this->text_or_binary(); + } + + if (($pos = strpos($this->file->headers['content-type'], ';')) !== false) + { + $official = substr($this->file->headers['content-type'], 0, $pos); + } + else + { + $official = $this->file->headers['content-type']; + } + $official = trim(strtolower($official)); + + if ($official === 'unknown/unknown' + || $official === 'application/unknown') + { + return $this->unknown(); + } + elseif (substr($official, -4) === '+xml' + || $official === 'text/xml' + || $official === 'application/xml') + { + return $official; + } + elseif (substr($official, 0, 6) === 'image/') + { + if ($return = $this->image()) + { + return $return; + } + + return $official; + } + elseif ($official === 'text/html') + { + return $this->feed_or_html(); + } + + return $official; + } + + return $this->unknown(); + } + + /** + * Sniff text or binary + * + * @return string Actual Content-Type + */ + public function text_or_binary() + { + if (substr($this->file->body, 0, 2) === "\xFE\xFF" + || substr($this->file->body, 0, 2) === "\xFF\xFE" + || substr($this->file->body, 0, 4) === "\x00\x00\xFE\xFF" + || substr($this->file->body, 0, 3) === "\xEF\xBB\xBF") + { + return 'text/plain'; + } + elseif (preg_match('/[\x00-\x08\x0E-\x1A\x1C-\x1F]/', $this->file->body)) + { + return 'application/octect-stream'; + } + + return 'text/plain'; + } + + /** + * Sniff unknown + * + * @return string Actual Content-Type + */ + public function unknown() + { + $ws = strspn($this->file->body, "\x09\x0A\x0B\x0C\x0D\x20"); + if (strtolower(substr($this->file->body, $ws, 14)) === '<!doctype html' + || strtolower(substr($this->file->body, $ws, 5)) === '<html' + || strtolower(substr($this->file->body, $ws, 7)) === '<script') + { + return 'text/html'; + } + elseif (substr($this->file->body, 0, 5) === '%PDF-') + { + return 'application/pdf'; + } + elseif (substr($this->file->body, 0, 11) === '%!PS-Adobe-') + { + return 'application/postscript'; + } + elseif (substr($this->file->body, 0, 6) === 'GIF87a' + || substr($this->file->body, 0, 6) === 'GIF89a') + { + return 'image/gif'; + } + elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A") + { + return 'image/png'; + } + elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF") + { + return 'image/jpeg'; + } + elseif (substr($this->file->body, 0, 2) === "\x42\x4D") + { + return 'image/bmp'; + } + elseif (substr($this->file->body, 0, 4) === "\x00\x00\x01\x00") + { + return 'image/vnd.microsoft.icon'; + } + + return $this->text_or_binary(); + } + + /** + * Sniff images + * + * @return string Actual Content-Type + */ + public function image() + { + if (substr($this->file->body, 0, 6) === 'GIF87a' + || substr($this->file->body, 0, 6) === 'GIF89a') + { + return 'image/gif'; + } + elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A") + { + return 'image/png'; + } + elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF") + { + return 'image/jpeg'; + } + elseif (substr($this->file->body, 0, 2) === "\x42\x4D") + { + return 'image/bmp'; + } + elseif (substr($this->file->body, 0, 4) === "\x00\x00\x01\x00") + { + return 'image/vnd.microsoft.icon'; + } + + return false; + } + + /** + * Sniff HTML + * + * @return string Actual Content-Type + */ + public function feed_or_html() + { + $len = strlen($this->file->body); + $pos = strspn($this->file->body, "\x09\x0A\x0D\x20\xEF\xBB\xBF"); + + while ($pos < $len) + { + switch ($this->file->body[$pos]) + { + case "\x09": + case "\x0A": + case "\x0D": + case "\x20": + $pos += strspn($this->file->body, "\x09\x0A\x0D\x20", $pos); + continue 2; + + case '<': + $pos++; + break; + + default: + return 'text/html'; + } + + if (substr($this->file->body, $pos, 3) === '!--') + { + $pos += 3; + if ($pos < $len && ($pos = strpos($this->file->body, '-->', $pos)) !== false) + { + $pos += 3; + } + else + { + return 'text/html'; + } + } + elseif (substr($this->file->body, $pos, 1) === '!') + { + if ($pos < $len && ($pos = strpos($this->file->body, '>', $pos)) !== false) + { + $pos++; + } + else + { + return 'text/html'; + } + } + elseif (substr($this->file->body, $pos, 1) === '?') + { + if ($pos < $len && ($pos = strpos($this->file->body, '?>', $pos)) !== false) + { + $pos += 2; + } + else + { + return 'text/html'; + } + } + elseif (substr($this->file->body, $pos, 3) === 'rss' + || substr($this->file->body, $pos, 7) === 'rdf:RDF') + { + return 'application/rss+xml'; + } + elseif (substr($this->file->body, $pos, 4) === 'feed') + { + return 'application/atom+xml'; + } + else + { + return 'text/html'; + } + } + + return 'text/html'; + } +} diff --git a/lib/simplepie/library/SimplePie/Copyright.php b/lib/simplepie/library/SimplePie/Copyright.php new file mode 100644 index 000000000..a57f323e6 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Copyright.php @@ -0,0 +1,124 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Manages `<media:copyright>` copyright tags as defined in Media RSS + * + * Used by {@see SimplePie_Enclosure::get_copyright()} + * + * This class can be overloaded with {@see SimplePie::set_copyright_class()} + * + * @package SimplePie + * @subpackage API + */ +class SimplePie_Copyright +{ + /** + * Copyright URL + * + * @var string + * @see get_url() + */ + var $url; + + /** + * Attribution + * + * @var string + * @see get_attribution() + */ + var $label; + + /** + * Constructor, used to input the data + * + * For documentation on all the parameters, see the corresponding + * properties and their accessors + */ + public function __construct($url = null, $label = null) + { + $this->url = $url; + $this->label = $label; + } + + /** + * String-ified version + * + * @return string + */ + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + /** + * Get the copyright URL + * + * @return string|null URL to copyright information + */ + public function get_url() + { + if ($this->url !== null) + { + return $this->url; + } + + return null; + } + + /** + * Get the attribution text + * + * @return string|null + */ + public function get_attribution() + { + if ($this->label !== null) + { + return $this->label; + } + + return null; + } +} diff --git a/lib/simplepie/library/SimplePie/Core.php b/lib/simplepie/library/SimplePie/Core.php new file mode 100644 index 000000000..c856ba361 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Core.php @@ -0,0 +1,56 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * SimplePie class. + * + * Class for backward compatibility. + * + * @deprecated Use {@see SimplePie} directly + * @package SimplePie + * @subpackage API + */ +class SimplePie_Core extends SimplePie +{ + +}
\ No newline at end of file diff --git a/lib/simplepie/library/SimplePie/Credit.php b/lib/simplepie/library/SimplePie/Credit.php new file mode 100644 index 000000000..064a1b864 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Credit.php @@ -0,0 +1,148 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Handles `<media:credit>` as defined in Media RSS + * + * Used by {@see SimplePie_Enclosure::get_credit()} and {@see SimplePie_Enclosure::get_credits()} + * + * This class can be overloaded with {@see SimplePie::set_credit_class()} + * + * @package SimplePie + * @subpackage API + */ +class SimplePie_Credit +{ + /** + * Credited role + * + * @var string + * @see get_role() + */ + var $role; + + /** + * Organizational scheme + * + * @var string + * @see get_scheme() + */ + var $scheme; + + /** + * Credited name + * + * @var string + * @see get_name() + */ + var $name; + + /** + * Constructor, used to input the data + * + * For documentation on all the parameters, see the corresponding + * properties and their accessors + */ + public function __construct($role = null, $scheme = null, $name = null) + { + $this->role = $role; + $this->scheme = $scheme; + $this->name = $name; + } + + /** + * String-ified version + * + * @return string + */ + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + /** + * Get the role of the person receiving credit + * + * @return string|null + */ + public function get_role() + { + if ($this->role !== null) + { + return $this->role; + } + + return null; + } + + /** + * Get the organizational scheme + * + * @return string|null + */ + public function get_scheme() + { + if ($this->scheme !== null) + { + return $this->scheme; + } + + return null; + } + + /** + * Get the credited person/entity's name + * + * @return string|null + */ + public function get_name() + { + if ($this->name !== null) + { + return $this->name; + } + + return null; + } +} diff --git a/lib/simplepie/library/SimplePie/Decode/HTML/Entities.php b/lib/simplepie/library/SimplePie/Decode/HTML/Entities.php new file mode 100644 index 000000000..773481a8c --- /dev/null +++ b/lib/simplepie/library/SimplePie/Decode/HTML/Entities.php @@ -0,0 +1,610 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + + +/** + * Decode HTML Entities + * + * This implements HTML5 as of revision 967 (2007-06-28) + * + * @deprecated Use DOMDocument instead! + * @package SimplePie + */ +class SimplePie_Decode_HTML_Entities +{ + /** + * Data to be parsed + * + * @access private + * @var string + */ + var $data = ''; + + /** + * Currently consumed bytes + * + * @access private + * @var string + */ + var $consumed = ''; + + /** + * Position of the current byte being parsed + * + * @access private + * @var int + */ + var $position = 0; + + /** + * Create an instance of the class with the input data + * + * @access public + * @param string $data Input data + */ + public function __construct($data) + { + $this->data = $data; + } + + /** + * Parse the input data + * + * @access public + * @return string Output data + */ + public function parse() + { + while (($this->position = strpos($this->data, '&', $this->position)) !== false) + { + $this->consume(); + $this->entity(); + $this->consumed = ''; + } + return $this->data; + } + + /** + * Consume the next byte + * + * @access private + * @return mixed The next byte, or false, if there is no more data + */ + public function consume() + { + if (isset($this->data[$this->position])) + { + $this->consumed .= $this->data[$this->position]; + return $this->data[$this->position++]; + } + + return false; + } + + /** + * Consume a range of characters + * + * @access private + * @param string $chars Characters to consume + * @return mixed A series of characters that match the range, or false + */ + public function consume_range($chars) + { + if ($len = strspn($this->data, $chars, $this->position)) + { + $data = substr($this->data, $this->position, $len); + $this->consumed .= $data; + $this->position += $len; + return $data; + } + + return false; + } + + /** + * Unconsume one byte + * + * @access private + */ + public function unconsume() + { + $this->consumed = substr($this->consumed, 0, -1); + $this->position--; + } + + /** + * Decode an entity + * + * @access private + */ + public function entity() + { + switch ($this->consume()) + { + case "\x09": + case "\x0A": + case "\x0B": + case "\x0C": + case "\x20": + case "\x3C": + case "\x26": + case false: + break; + + case "\x23": + switch ($this->consume()) + { + case "\x78": + case "\x58": + $range = '0123456789ABCDEFabcdef'; + $hex = true; + break; + + default: + $range = '0123456789'; + $hex = false; + $this->unconsume(); + break; + } + + if ($codepoint = $this->consume_range($range)) + { + static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8"); + + if ($hex) + { + $codepoint = hexdec($codepoint); + } + else + { + $codepoint = intval($codepoint); + } + + if (isset($windows_1252_specials[$codepoint])) + { + $replacement = $windows_1252_specials[$codepoint]; + } + else + { + $replacement = SimplePie_Misc::codepoint_to_utf8($codepoint); + } + + if (!in_array($this->consume(), array(';', false), true)) + { + $this->unconsume(); + } + + $consumed_length = strlen($this->consumed); + $this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length); + $this->position += strlen($replacement) - $consumed_length; + } + break; + + default: + static $entities = array( + 'Aacute' => "\xC3\x81", + 'aacute' => "\xC3\xA1", + 'Aacute;' => "\xC3\x81", + 'aacute;' => "\xC3\xA1", + 'Acirc' => "\xC3\x82", + 'acirc' => "\xC3\xA2", + 'Acirc;' => "\xC3\x82", + 'acirc;' => "\xC3\xA2", + 'acute' => "\xC2\xB4", + 'acute;' => "\xC2\xB4", + 'AElig' => "\xC3\x86", + 'aelig' => "\xC3\xA6", + 'AElig;' => "\xC3\x86", + 'aelig;' => "\xC3\xA6", + 'Agrave' => "\xC3\x80", + 'agrave' => "\xC3\xA0", + 'Agrave;' => "\xC3\x80", + 'agrave;' => "\xC3\xA0", + 'alefsym;' => "\xE2\x84\xB5", + 'Alpha;' => "\xCE\x91", + 'alpha;' => "\xCE\xB1", + 'AMP' => "\x26", + 'amp' => "\x26", + 'AMP;' => "\x26", + 'amp;' => "\x26", + 'and;' => "\xE2\x88\xA7", + 'ang;' => "\xE2\x88\xA0", + 'apos;' => "\x27", + 'Aring' => "\xC3\x85", + 'aring' => "\xC3\xA5", + 'Aring;' => "\xC3\x85", + 'aring;' => "\xC3\xA5", + 'asymp;' => "\xE2\x89\x88", + 'Atilde' => "\xC3\x83", + 'atilde' => "\xC3\xA3", + 'Atilde;' => "\xC3\x83", + 'atilde;' => "\xC3\xA3", + 'Auml' => "\xC3\x84", + 'auml' => "\xC3\xA4", + 'Auml;' => "\xC3\x84", + 'auml;' => "\xC3\xA4", + 'bdquo;' => "\xE2\x80\x9E", + 'Beta;' => "\xCE\x92", + 'beta;' => "\xCE\xB2", + 'brvbar' => "\xC2\xA6", + 'brvbar;' => "\xC2\xA6", + 'bull;' => "\xE2\x80\xA2", + 'cap;' => "\xE2\x88\xA9", + 'Ccedil' => "\xC3\x87", + 'ccedil' => "\xC3\xA7", + 'Ccedil;' => "\xC3\x87", + 'ccedil;' => "\xC3\xA7", + 'cedil' => "\xC2\xB8", + 'cedil;' => "\xC2\xB8", + 'cent' => "\xC2\xA2", + 'cent;' => "\xC2\xA2", + 'Chi;' => "\xCE\xA7", + 'chi;' => "\xCF\x87", + 'circ;' => "\xCB\x86", + 'clubs;' => "\xE2\x99\xA3", + 'cong;' => "\xE2\x89\x85", + 'COPY' => "\xC2\xA9", + 'copy' => "\xC2\xA9", + 'COPY;' => "\xC2\xA9", + 'copy;' => "\xC2\xA9", + 'crarr;' => "\xE2\x86\xB5", + 'cup;' => "\xE2\x88\xAA", + 'curren' => "\xC2\xA4", + 'curren;' => "\xC2\xA4", + 'Dagger;' => "\xE2\x80\xA1", + 'dagger;' => "\xE2\x80\xA0", + 'dArr;' => "\xE2\x87\x93", + 'darr;' => "\xE2\x86\x93", + 'deg' => "\xC2\xB0", + 'deg;' => "\xC2\xB0", + 'Delta;' => "\xCE\x94", + 'delta;' => "\xCE\xB4", + 'diams;' => "\xE2\x99\xA6", + 'divide' => "\xC3\xB7", + 'divide;' => "\xC3\xB7", + 'Eacute' => "\xC3\x89", + 'eacute' => "\xC3\xA9", + 'Eacute;' => "\xC3\x89", + 'eacute;' => "\xC3\xA9", + 'Ecirc' => "\xC3\x8A", + 'ecirc' => "\xC3\xAA", + 'Ecirc;' => "\xC3\x8A", + 'ecirc;' => "\xC3\xAA", + 'Egrave' => "\xC3\x88", + 'egrave' => "\xC3\xA8", + 'Egrave;' => "\xC3\x88", + 'egrave;' => "\xC3\xA8", + 'empty;' => "\xE2\x88\x85", + 'emsp;' => "\xE2\x80\x83", + 'ensp;' => "\xE2\x80\x82", + 'Epsilon;' => "\xCE\x95", + 'epsilon;' => "\xCE\xB5", + 'equiv;' => "\xE2\x89\xA1", + 'Eta;' => "\xCE\x97", + 'eta;' => "\xCE\xB7", + 'ETH' => "\xC3\x90", + 'eth' => "\xC3\xB0", + 'ETH;' => "\xC3\x90", + 'eth;' => "\xC3\xB0", + 'Euml' => "\xC3\x8B", + 'euml' => "\xC3\xAB", + 'Euml;' => "\xC3\x8B", + 'euml;' => "\xC3\xAB", + 'euro;' => "\xE2\x82\xAC", + 'exist;' => "\xE2\x88\x83", + 'fnof;' => "\xC6\x92", + 'forall;' => "\xE2\x88\x80", + 'frac12' => "\xC2\xBD", + 'frac12;' => "\xC2\xBD", + 'frac14' => "\xC2\xBC", + 'frac14;' => "\xC2\xBC", + 'frac34' => "\xC2\xBE", + 'frac34;' => "\xC2\xBE", + 'frasl;' => "\xE2\x81\x84", + 'Gamma;' => "\xCE\x93", + 'gamma;' => "\xCE\xB3", + 'ge;' => "\xE2\x89\xA5", + 'GT' => "\x3E", + 'gt' => "\x3E", + 'GT;' => "\x3E", + 'gt;' => "\x3E", + 'hArr;' => "\xE2\x87\x94", + 'harr;' => "\xE2\x86\x94", + 'hearts;' => "\xE2\x99\xA5", + 'hellip;' => "\xE2\x80\xA6", + 'Iacute' => "\xC3\x8D", + 'iacute' => "\xC3\xAD", + 'Iacute;' => "\xC3\x8D", + 'iacute;' => "\xC3\xAD", + 'Icirc' => "\xC3\x8E", + 'icirc' => "\xC3\xAE", + 'Icirc;' => "\xC3\x8E", + 'icirc;' => "\xC3\xAE", + 'iexcl' => "\xC2\xA1", + 'iexcl;' => "\xC2\xA1", + 'Igrave' => "\xC3\x8C", + 'igrave' => "\xC3\xAC", + 'Igrave;' => "\xC3\x8C", + 'igrave;' => "\xC3\xAC", + 'image;' => "\xE2\x84\x91", + 'infin;' => "\xE2\x88\x9E", + 'int;' => "\xE2\x88\xAB", + 'Iota;' => "\xCE\x99", + 'iota;' => "\xCE\xB9", + 'iquest' => "\xC2\xBF", + 'iquest;' => "\xC2\xBF", + 'isin;' => "\xE2\x88\x88", + 'Iuml' => "\xC3\x8F", + 'iuml' => "\xC3\xAF", + 'Iuml;' => "\xC3\x8F", + 'iuml;' => "\xC3\xAF", + 'Kappa;' => "\xCE\x9A", + 'kappa;' => "\xCE\xBA", + 'Lambda;' => "\xCE\x9B", + 'lambda;' => "\xCE\xBB", + 'lang;' => "\xE3\x80\x88", + 'laquo' => "\xC2\xAB", + 'laquo;' => "\xC2\xAB", + 'lArr;' => "\xE2\x87\x90", + 'larr;' => "\xE2\x86\x90", + 'lceil;' => "\xE2\x8C\x88", + 'ldquo;' => "\xE2\x80\x9C", + 'le;' => "\xE2\x89\xA4", + 'lfloor;' => "\xE2\x8C\x8A", + 'lowast;' => "\xE2\x88\x97", + 'loz;' => "\xE2\x97\x8A", + 'lrm;' => "\xE2\x80\x8E", + 'lsaquo;' => "\xE2\x80\xB9", + 'lsquo;' => "\xE2\x80\x98", + 'LT' => "\x3C", + 'lt' => "\x3C", + 'LT;' => "\x3C", + 'lt;' => "\x3C", + 'macr' => "\xC2\xAF", + 'macr;' => "\xC2\xAF", + 'mdash;' => "\xE2\x80\x94", + 'micro' => "\xC2\xB5", + 'micro;' => "\xC2\xB5", + 'middot' => "\xC2\xB7", + 'middot;' => "\xC2\xB7", + 'minus;' => "\xE2\x88\x92", + 'Mu;' => "\xCE\x9C", + 'mu;' => "\xCE\xBC", + 'nabla;' => "\xE2\x88\x87", + 'nbsp' => "\xC2\xA0", + 'nbsp;' => "\xC2\xA0", + 'ndash;' => "\xE2\x80\x93", + 'ne;' => "\xE2\x89\xA0", + 'ni;' => "\xE2\x88\x8B", + 'not' => "\xC2\xAC", + 'not;' => "\xC2\xAC", + 'notin;' => "\xE2\x88\x89", + 'nsub;' => "\xE2\x8A\x84", + 'Ntilde' => "\xC3\x91", + 'ntilde' => "\xC3\xB1", + 'Ntilde;' => "\xC3\x91", + 'ntilde;' => "\xC3\xB1", + 'Nu;' => "\xCE\x9D", + 'nu;' => "\xCE\xBD", + 'Oacute' => "\xC3\x93", + 'oacute' => "\xC3\xB3", + 'Oacute;' => "\xC3\x93", + 'oacute;' => "\xC3\xB3", + 'Ocirc' => "\xC3\x94", + 'ocirc' => "\xC3\xB4", + 'Ocirc;' => "\xC3\x94", + 'ocirc;' => "\xC3\xB4", + 'OElig;' => "\xC5\x92", + 'oelig;' => "\xC5\x93", + 'Ograve' => "\xC3\x92", + 'ograve' => "\xC3\xB2", + 'Ograve;' => "\xC3\x92", + 'ograve;' => "\xC3\xB2", + 'oline;' => "\xE2\x80\xBE", + 'Omega;' => "\xCE\xA9", + 'omega;' => "\xCF\x89", + 'Omicron;' => "\xCE\x9F", + 'omicron;' => "\xCE\xBF", + 'oplus;' => "\xE2\x8A\x95", + 'or;' => "\xE2\x88\xA8", + 'ordf' => "\xC2\xAA", + 'ordf;' => "\xC2\xAA", + 'ordm' => "\xC2\xBA", + 'ordm;' => "\xC2\xBA", + 'Oslash' => "\xC3\x98", + 'oslash' => "\xC3\xB8", + 'Oslash;' => "\xC3\x98", + 'oslash;' => "\xC3\xB8", + 'Otilde' => "\xC3\x95", + 'otilde' => "\xC3\xB5", + 'Otilde;' => "\xC3\x95", + 'otilde;' => "\xC3\xB5", + 'otimes;' => "\xE2\x8A\x97", + 'Ouml' => "\xC3\x96", + 'ouml' => "\xC3\xB6", + 'Ouml;' => "\xC3\x96", + 'ouml;' => "\xC3\xB6", + 'para' => "\xC2\xB6", + 'para;' => "\xC2\xB6", + 'part;' => "\xE2\x88\x82", + 'permil;' => "\xE2\x80\xB0", + 'perp;' => "\xE2\x8A\xA5", + 'Phi;' => "\xCE\xA6", + 'phi;' => "\xCF\x86", + 'Pi;' => "\xCE\xA0", + 'pi;' => "\xCF\x80", + 'piv;' => "\xCF\x96", + 'plusmn' => "\xC2\xB1", + 'plusmn;' => "\xC2\xB1", + 'pound' => "\xC2\xA3", + 'pound;' => "\xC2\xA3", + 'Prime;' => "\xE2\x80\xB3", + 'prime;' => "\xE2\x80\xB2", + 'prod;' => "\xE2\x88\x8F", + 'prop;' => "\xE2\x88\x9D", + 'Psi;' => "\xCE\xA8", + 'psi;' => "\xCF\x88", + 'QUOT' => "\x22", + 'quot' => "\x22", + 'QUOT;' => "\x22", + 'quot;' => "\x22", + 'radic;' => "\xE2\x88\x9A", + 'rang;' => "\xE3\x80\x89", + 'raquo' => "\xC2\xBB", + 'raquo;' => "\xC2\xBB", + 'rArr;' => "\xE2\x87\x92", + 'rarr;' => "\xE2\x86\x92", + 'rceil;' => "\xE2\x8C\x89", + 'rdquo;' => "\xE2\x80\x9D", + 'real;' => "\xE2\x84\x9C", + 'REG' => "\xC2\xAE", + 'reg' => "\xC2\xAE", + 'REG;' => "\xC2\xAE", + 'reg;' => "\xC2\xAE", + 'rfloor;' => "\xE2\x8C\x8B", + 'Rho;' => "\xCE\xA1", + 'rho;' => "\xCF\x81", + 'rlm;' => "\xE2\x80\x8F", + 'rsaquo;' => "\xE2\x80\xBA", + 'rsquo;' => "\xE2\x80\x99", + 'sbquo;' => "\xE2\x80\x9A", + 'Scaron;' => "\xC5\xA0", + 'scaron;' => "\xC5\xA1", + 'sdot;' => "\xE2\x8B\x85", + 'sect' => "\xC2\xA7", + 'sect;' => "\xC2\xA7", + 'shy' => "\xC2\xAD", + 'shy;' => "\xC2\xAD", + 'Sigma;' => "\xCE\xA3", + 'sigma;' => "\xCF\x83", + 'sigmaf;' => "\xCF\x82", + 'sim;' => "\xE2\x88\xBC", + 'spades;' => "\xE2\x99\xA0", + 'sub;' => "\xE2\x8A\x82", + 'sube;' => "\xE2\x8A\x86", + 'sum;' => "\xE2\x88\x91", + 'sup;' => "\xE2\x8A\x83", + 'sup1' => "\xC2\xB9", + 'sup1;' => "\xC2\xB9", + 'sup2' => "\xC2\xB2", + 'sup2;' => "\xC2\xB2", + 'sup3' => "\xC2\xB3", + 'sup3;' => "\xC2\xB3", + 'supe;' => "\xE2\x8A\x87", + 'szlig' => "\xC3\x9F", + 'szlig;' => "\xC3\x9F", + 'Tau;' => "\xCE\xA4", + 'tau;' => "\xCF\x84", + 'there4;' => "\xE2\x88\xB4", + 'Theta;' => "\xCE\x98", + 'theta;' => "\xCE\xB8", + 'thetasym;' => "\xCF\x91", + 'thinsp;' => "\xE2\x80\x89", + 'THORN' => "\xC3\x9E", + 'thorn' => "\xC3\xBE", + 'THORN;' => "\xC3\x9E", + 'thorn;' => "\xC3\xBE", + 'tilde;' => "\xCB\x9C", + 'times' => "\xC3\x97", + 'times;' => "\xC3\x97", + 'TRADE;' => "\xE2\x84\xA2", + 'trade;' => "\xE2\x84\xA2", + 'Uacute' => "\xC3\x9A", + 'uacute' => "\xC3\xBA", + 'Uacute;' => "\xC3\x9A", + 'uacute;' => "\xC3\xBA", + 'uArr;' => "\xE2\x87\x91", + 'uarr;' => "\xE2\x86\x91", + 'Ucirc' => "\xC3\x9B", + 'ucirc' => "\xC3\xBB", + 'Ucirc;' => "\xC3\x9B", + 'ucirc;' => "\xC3\xBB", + 'Ugrave' => "\xC3\x99", + 'ugrave' => "\xC3\xB9", + 'Ugrave;' => "\xC3\x99", + 'ugrave;' => "\xC3\xB9", + 'uml' => "\xC2\xA8", + 'uml;' => "\xC2\xA8", + 'upsih;' => "\xCF\x92", + 'Upsilon;' => "\xCE\xA5", + 'upsilon;' => "\xCF\x85", + 'Uuml' => "\xC3\x9C", + 'uuml' => "\xC3\xBC", + 'Uuml;' => "\xC3\x9C", + 'uuml;' => "\xC3\xBC", + 'weierp;' => "\xE2\x84\x98", + 'Xi;' => "\xCE\x9E", + 'xi;' => "\xCE\xBE", + 'Yacute' => "\xC3\x9D", + 'yacute' => "\xC3\xBD", + 'Yacute;' => "\xC3\x9D", + 'yacute;' => "\xC3\xBD", + 'yen' => "\xC2\xA5", + 'yen;' => "\xC2\xA5", + 'yuml' => "\xC3\xBF", + 'Yuml;' => "\xC5\xB8", + 'yuml;' => "\xC3\xBF", + 'Zeta;' => "\xCE\x96", + 'zeta;' => "\xCE\xB6", + 'zwj;' => "\xE2\x80\x8D", + 'zwnj;' => "\xE2\x80\x8C" + ); + + for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++) + { + $consumed = substr($this->consumed, 1); + if (isset($entities[$consumed])) + { + $match = $consumed; + } + } + + if ($match !== null) + { + $this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1); + $this->position += strlen($entities[$match]) - strlen($consumed) - 1; + } + break; + } + } +} diff --git a/lib/simplepie/library/SimplePie/Enclosure.php b/lib/simplepie/library/SimplePie/Enclosure.php new file mode 100644 index 000000000..ddbbc3c92 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Enclosure.php @@ -0,0 +1,1304 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Handles everything related to enclosures (including Media RSS and iTunes RSS) + * + * Used by {@see SimplePie_Item::get_enclosure()} and {@see SimplePie_Item::get_enclosures()} + * + * This class can be overloaded with {@see SimplePie::set_enclosure_class()} + * + * @package SimplePie + * @subpackage API + */ +class SimplePie_Enclosure +{ + /** + * @var string + * @see get_bitrate() + */ + var $bitrate; + + /** + * @var array + * @see get_captions() + */ + var $captions; + + /** + * @var array + * @see get_categories() + */ + var $categories; + + /** + * @var int + * @see get_channels() + */ + var $channels; + + /** + * @var SimplePie_Copyright + * @see get_copyright() + */ + var $copyright; + + /** + * @var array + * @see get_credits() + */ + var $credits; + + /** + * @var string + * @see get_description() + */ + var $description; + + /** + * @var int + * @see get_duration() + */ + var $duration; + + /** + * @var string + * @see get_expression() + */ + var $expression; + + /** + * @var string + * @see get_framerate() + */ + var $framerate; + + /** + * @var string + * @see get_handler() + */ + var $handler; + + /** + * @var array + * @see get_hashes() + */ + var $hashes; + + /** + * @var string + * @see get_height() + */ + var $height; + + /** + * @deprecated + * @var null + */ + var $javascript; + + /** + * @var array + * @see get_keywords() + */ + var $keywords; + + /** + * @var string + * @see get_language() + */ + var $lang; + + /** + * @var string + * @see get_length() + */ + var $length; + + /** + * @var string + * @see get_link() + */ + var $link; + + /** + * @var string + * @see get_medium() + */ + var $medium; + + /** + * @var string + * @see get_player() + */ + var $player; + + /** + * @var array + * @see get_ratings() + */ + var $ratings; + + /** + * @var array + * @see get_restrictions() + */ + var $restrictions; + + /** + * @var string + * @see get_sampling_rate() + */ + var $samplingrate; + + /** + * @var array + * @see get_thumbnails() + */ + var $thumbnails; + + /** + * @var string + * @see get_title() + */ + var $title; + + /** + * @var string + * @see get_type() + */ + var $type; + + /** + * @var string + * @see get_width() + */ + var $width; + + /** + * Constructor, used to input the data + * + * For documentation on all the parameters, see the corresponding + * properties and their accessors + * + * @uses idna_convert If available, this will convert an IDN + */ + public function __construct($link = null, $type = null, $length = null, $javascript = null, $bitrate = null, $captions = null, $categories = null, $channels = null, $copyright = null, $credits = null, $description = null, $duration = null, $expression = null, $framerate = null, $hashes = null, $height = null, $keywords = null, $lang = null, $medium = null, $player = null, $ratings = null, $restrictions = null, $samplingrate = null, $thumbnails = null, $title = null, $width = null) + { + $this->bitrate = $bitrate; + $this->captions = $captions; + $this->categories = $categories; + $this->channels = $channels; + $this->copyright = $copyright; + $this->credits = $credits; + $this->description = $description; + $this->duration = $duration; + $this->expression = $expression; + $this->framerate = $framerate; + $this->hashes = $hashes; + $this->height = $height; + $this->keywords = $keywords; + $this->lang = $lang; + $this->length = $length; + $this->link = $link; + $this->medium = $medium; + $this->player = $player; + $this->ratings = $ratings; + $this->restrictions = $restrictions; + $this->samplingrate = $samplingrate; + $this->thumbnails = $thumbnails; + $this->title = $title; + $this->type = $type; + $this->width = $width; + + if (class_exists('idna_convert')) + { + $idn = new idna_convert(); + $parsed = SimplePie_Misc::parse_url($link); + $this->link = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']); + } + $this->handler = $this->get_handler(); // Needs to load last + } + + /** + * String-ified version + * + * @return string + */ + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + /** + * Get the bitrate + * + * @return string|null + */ + public function get_bitrate() + { + if ($this->bitrate !== null) + { + return $this->bitrate; + } + + return null; + } + + /** + * Get a single caption + * + * @param int $key + * @return SimplePie_Caption|null + */ + public function get_caption($key = 0) + { + $captions = $this->get_captions(); + if (isset($captions[$key])) + { + return $captions[$key]; + } + + return null; + } + + /** + * Get all captions + * + * @return array|null Array of {@see SimplePie_Caption} objects + */ + public function get_captions() + { + if ($this->captions !== null) + { + return $this->captions; + } + + return null; + } + + /** + * Get a single category + * + * @param int $key + * @return SimplePie_Category|null + */ + public function get_category($key = 0) + { + $categories = $this->get_categories(); + if (isset($categories[$key])) + { + return $categories[$key]; + } + + return null; + } + + /** + * Get all categories + * + * @return array|null Array of {@see SimplePie_Category} objects + */ + public function get_categories() + { + if ($this->categories !== null) + { + return $this->categories; + } + + return null; + } + + /** + * Get the number of audio channels + * + * @return int|null + */ + public function get_channels() + { + if ($this->channels !== null) + { + return $this->channels; + } + + return null; + } + + /** + * Get the copyright information + * + * @return SimplePie_Copyright|null + */ + public function get_copyright() + { + if ($this->copyright !== null) + { + return $this->copyright; + } + + return null; + } + + /** + * Get a single credit + * + * @param int $key + * @return SimplePie_Credit|null + */ + public function get_credit($key = 0) + { + $credits = $this->get_credits(); + if (isset($credits[$key])) + { + return $credits[$key]; + } + + return null; + } + + /** + * Get all credits + * + * @return array|null Array of {@see SimplePie_Credit} objects + */ + public function get_credits() + { + if ($this->credits !== null) + { + return $this->credits; + } + + return null; + } + + /** + * Get the description of the enclosure + * + * @return string|null + */ + public function get_description() + { + if ($this->description !== null) + { + return $this->description; + } + + return null; + } + + /** + * Get the duration of the enclosure + * + * @param bool $convert Convert seconds into hh:mm:ss + * @return string|int|null 'hh:mm:ss' string if `$convert` was specified, otherwise integer (or null if none found) + */ + public function get_duration($convert = false) + { + if ($this->duration !== null) + { + if ($convert) + { + $time = SimplePie_Misc::time_hms($this->duration); + return $time; + } + + return $this->duration; + } + + return null; + } + + /** + * Get the expression + * + * @return string Probably one of 'sample', 'full', 'nonstop', 'clip'. Defaults to 'full' + */ + public function get_expression() + { + if ($this->expression !== null) + { + return $this->expression; + } + + return 'full'; + } + + /** + * Get the file extension + * + * @return string|null + */ + public function get_extension() + { + if ($this->link !== null) + { + $url = SimplePie_Misc::parse_url($this->link); + if ($url['path'] !== '') + { + return pathinfo($url['path'], PATHINFO_EXTENSION); + } + } + return null; + } + + /** + * Get the framerate (in frames-per-second) + * + * @return string|null + */ + public function get_framerate() + { + if ($this->framerate !== null) + { + return $this->framerate; + } + + return null; + } + + /** + * Get the preferred handler + * + * @return string|null One of 'flash', 'fmedia', 'quicktime', 'wmedia', 'mp3' + */ + public function get_handler() + { + return $this->get_real_type(true); + } + + /** + * Get a single hash + * + * @link http://www.rssboard.org/media-rss#media-hash + * @param int $key + * @return string|null Hash as per `media:hash`, prefixed with "$algo:" + */ + public function get_hash($key = 0) + { + $hashes = $this->get_hashes(); + if (isset($hashes[$key])) + { + return $hashes[$key]; + } + + return null; + } + + /** + * Get all credits + * + * @return array|null Array of strings, see {@see get_hash()} + */ + public function get_hashes() + { + if ($this->hashes !== null) + { + return $this->hashes; + } + + return null; + } + + /** + * Get the height + * + * @return string|null + */ + public function get_height() + { + if ($this->height !== null) + { + return $this->height; + } + + return null; + } + + /** + * Get the language + * + * @link http://tools.ietf.org/html/rfc3066 + * @return string|null Language code as per RFC 3066 + */ + public function get_language() + { + if ($this->lang !== null) + { + return $this->lang; + } + + return null; + } + + /** + * Get a single keyword + * + * @param int $key + * @return string|null + */ + public function get_keyword($key = 0) + { + $keywords = $this->get_keywords(); + if (isset($keywords[$key])) + { + return $keywords[$key]; + } + + return null; + } + + /** + * Get all keywords + * + * @return array|null Array of strings + */ + public function get_keywords() + { + if ($this->keywords !== null) + { + return $this->keywords; + } + + return null; + } + + /** + * Get length + * + * @return float Length in bytes + */ + public function get_length() + { + if ($this->length !== null) + { + return $this->length; + } + + return null; + } + + /** + * Get the URL + * + * @return string|null + */ + public function get_link() + { + if ($this->link !== null) + { + return urldecode($this->link); + } + + return null; + } + + /** + * Get the medium + * + * @link http://www.rssboard.org/media-rss#media-content + * @return string|null Should be one of 'image', 'audio', 'video', 'document', 'executable' + */ + public function get_medium() + { + if ($this->medium !== null) + { + return $this->medium; + } + + return null; + } + + /** + * Get the player URL + * + * Typically the same as {@see get_permalink()} + * @return string|null Player URL + */ + public function get_player() + { + if ($this->player !== null) + { + return $this->player; + } + + return null; + } + + /** + * Get a single rating + * + * @param int $key + * @return SimplePie_Rating|null + */ + public function get_rating($key = 0) + { + $ratings = $this->get_ratings(); + if (isset($ratings[$key])) + { + return $ratings[$key]; + } + + return null; + } + + /** + * Get all ratings + * + * @return array|null Array of {@see SimplePie_Rating} objects + */ + public function get_ratings() + { + if ($this->ratings !== null) + { + return $this->ratings; + } + + return null; + } + + /** + * Get a single restriction + * + * @param int $key + * @return SimplePie_Restriction|null + */ + public function get_restriction($key = 0) + { + $restrictions = $this->get_restrictions(); + if (isset($restrictions[$key])) + { + return $restrictions[$key]; + } + + return null; + } + + /** + * Get all restrictions + * + * @return array|null Array of {@see SimplePie_Restriction} objects + */ + public function get_restrictions() + { + if ($this->restrictions !== null) + { + return $this->restrictions; + } + + return null; + } + + /** + * Get the sampling rate (in kHz) + * + * @return string|null + */ + public function get_sampling_rate() + { + if ($this->samplingrate !== null) + { + return $this->samplingrate; + } + + return null; + } + + /** + * Get the file size (in MiB) + * + * @return float|null File size in mebibytes (1048 bytes) + */ + public function get_size() + { + $length = $this->get_length(); + if ($length !== null) + { + return round($length/1048576, 2); + } + + return null; + } + + /** + * Get a single thumbnail + * + * @param int $key + * @return string|null Thumbnail URL + */ + public function get_thumbnail($key = 0) + { + $thumbnails = $this->get_thumbnails(); + if (isset($thumbnails[$key])) + { + return $thumbnails[$key]; + } + + return null; + } + + /** + * Get all thumbnails + * + * @return array|null Array of thumbnail URLs + */ + public function get_thumbnails() + { + if ($this->thumbnails !== null) + { + return $this->thumbnails; + } + + return null; + } + + /** + * Get the title + * + * @return string|null + */ + public function get_title() + { + if ($this->title !== null) + { + return $this->title; + } + + return null; + } + + /** + * Get mimetype of the enclosure + * + * @see get_real_type() + * @return string|null MIME type + */ + public function get_type() + { + if ($this->type !== null) + { + return $this->type; + } + + return null; + } + + /** + * Get the width + * + * @return string|null + */ + public function get_width() + { + if ($this->width !== null) + { + return $this->width; + } + + return null; + } + + /** + * Embed the enclosure using `<embed>` + * + * @deprecated Use the second parameter to {@see embed} instead + * + * @param array|string $options See first paramter to {@see embed} + * @return string HTML string to output + */ + public function native_embed($options='') + { + return $this->embed($options, true); + } + + /** + * Embed the enclosure using Javascript + * + * `$options` is an array or comma-separated key:value string, with the + * following properties: + * + * - `alt` (string): Alternate content for when an end-user does not have + * the appropriate handler installed or when a file type is + * unsupported. Can be any text or HTML. Defaults to blank. + * - `altclass` (string): If a file type is unsupported, the end-user will + * see the alt text (above) linked directly to the content. That link + * will have this value as its class name. Defaults to blank. + * - `audio` (string): This is an image that should be used as a + * placeholder for audio files before they're loaded (QuickTime-only). + * Can be any relative or absolute URL. Defaults to blank. + * - `bgcolor` (string): The background color for the media, if not + * already transparent. Defaults to `#ffffff`. + * - `height` (integer): The height of the embedded media. Accepts any + * numeric pixel value (such as `360`) or `auto`. Defaults to `auto`, + * and it is recommended that you use this default. + * - `loop` (boolean): Do you want the media to loop when it's done? + * Defaults to `false`. + * - `mediaplayer` (string): The location of the included + * `mediaplayer.swf` file. This allows for the playback of Flash Video + * (`.flv`) files, and is the default handler for non-Odeo MP3's. + * Defaults to blank. + * - `video` (string): This is an image that should be used as a + * placeholder for video files before they're loaded (QuickTime-only). + * Can be any relative or absolute URL. Defaults to blank. + * - `width` (integer): The width of the embedded media. Accepts any + * numeric pixel value (such as `480`) or `auto`. Defaults to `auto`, + * and it is recommended that you use this default. + * - `widescreen` (boolean): Is the enclosure widescreen or standard? + * This applies only to video enclosures, and will automatically resize + * the content appropriately. Defaults to `false`, implying 4:3 mode. + * + * Note: Non-widescreen (4:3) mode with `width` and `height` set to `auto` + * will default to 480x360 video resolution. Widescreen (16:9) mode with + * `width` and `height` set to `auto` will default to 480x270 video resolution. + * + * @todo If the dimensions for media:content are defined, use them when width/height are set to 'auto'. + * @param array|string $options Comma-separated key:value list, or array + * @param bool $native Use `<embed>` + * @return string HTML string to output + */ + public function embed($options = '', $native = false) + { + // Set up defaults + $audio = ''; + $video = ''; + $alt = ''; + $altclass = ''; + $loop = 'false'; + $width = 'auto'; + $height = 'auto'; + $bgcolor = '#ffffff'; + $mediaplayer = ''; + $widescreen = false; + $handler = $this->get_handler(); + $type = $this->get_real_type(); + + // Process options and reassign values as necessary + if (is_array($options)) + { + extract($options); + } + else + { + $options = explode(',', $options); + foreach($options as $option) + { + $opt = explode(':', $option, 2); + if (isset($opt[0], $opt[1])) + { + $opt[0] = trim($opt[0]); + $opt[1] = trim($opt[1]); + switch ($opt[0]) + { + case 'audio': + $audio = $opt[1]; + break; + + case 'video': + $video = $opt[1]; + break; + + case 'alt': + $alt = $opt[1]; + break; + + case 'altclass': + $altclass = $opt[1]; + break; + + case 'loop': + $loop = $opt[1]; + break; + + case 'width': + $width = $opt[1]; + break; + + case 'height': + $height = $opt[1]; + break; + + case 'bgcolor': + $bgcolor = $opt[1]; + break; + + case 'mediaplayer': + $mediaplayer = $opt[1]; + break; + + case 'widescreen': + $widescreen = $opt[1]; + break; + } + } + } + } + + $mime = explode('/', $type, 2); + $mime = $mime[0]; + + // Process values for 'auto' + if ($width === 'auto') + { + if ($mime === 'video') + { + if ($height === 'auto') + { + $width = 480; + } + elseif ($widescreen) + { + $width = round((intval($height)/9)*16); + } + else + { + $width = round((intval($height)/3)*4); + } + } + else + { + $width = '100%'; + } + } + + if ($height === 'auto') + { + if ($mime === 'audio') + { + $height = 0; + } + elseif ($mime === 'video') + { + if ($width === 'auto') + { + if ($widescreen) + { + $height = 270; + } + else + { + $height = 360; + } + } + elseif ($widescreen) + { + $height = round((intval($width)/16)*9); + } + else + { + $height = round((intval($width)/4)*3); + } + } + else + { + $height = 376; + } + } + elseif ($mime === 'audio') + { + $height = 0; + } + + // Set proper placeholder value + if ($mime === 'audio') + { + $placeholder = $audio; + } + elseif ($mime === 'video') + { + $placeholder = $video; + } + + $embed = ''; + + // Flash + if ($handler === 'flash') + { + if ($native) + { + $embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>"; + } + else + { + $embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>"; + } + } + + // Flash Media Player file types. + // Preferred handler for MP3 file types. + elseif ($handler === 'fmedia' || ($handler === 'mp3' && $mediaplayer !== '')) + { + $height += 20; + if ($native) + { + $embed .= "<embed src=\"$mediaplayer\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" quality=\"high\" width=\"$width\" height=\"$height\" wmode=\"transparent\" flashvars=\"file=" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\"></embed>"; + } + else + { + $embed .= "<script type='text/javascript'>embed_flv('$width', '$height', '" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "', '$placeholder', '$loop', '$mediaplayer');</script>"; + } + } + + // QuickTime 7 file types. Need to test with QuickTime 6. + // Only handle MP3's if the Flash Media Player is not present. + elseif ($handler === 'quicktime' || ($handler === 'mp3' && $mediaplayer === '')) + { + $height += 16; + if ($native) + { + if ($placeholder !== '') + { + $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>"; + } + else + { + $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>"; + } + } + else + { + $embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>"; + } + } + + // Windows Media + elseif ($handler === 'wmedia') + { + $height += 45; + if ($native) + { + $embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>"; + } + else + { + $embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>"; + } + } + + // Everything else + else $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>'; + + return $embed; + } + + /** + * Get the real media type + * + * Often, feeds lie to us, necessitating a bit of deeper inspection. This + * converts types to their canonical representations based on the file + * extension + * + * @see get_type() + * @param bool $find_handler Internal use only, use {@see get_handler()} instead + * @return string MIME type + */ + public function get_real_type($find_handler = false) + { + // Mime-types by handler. + $types_flash = array('application/x-shockwave-flash', 'application/futuresplash'); // Flash + $types_fmedia = array('video/flv', 'video/x-flv','flv-application/octet-stream'); // Flash Media Player + $types_quicktime = array('audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video'); // QuickTime + $types_wmedia = array('application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx'); // Windows Media + $types_mp3 = array('audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg'); // MP3 + + if ($this->get_type() !== null) + { + $type = strtolower($this->type); + } + else + { + $type = null; + } + + // If we encounter an unsupported mime-type, check the file extension and guess intelligently. + if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3))) + { + switch (strtolower($this->get_extension())) + { + // Audio mime-types + case 'aac': + case 'adts': + $type = 'audio/acc'; + break; + + case 'aif': + case 'aifc': + case 'aiff': + case 'cdda': + $type = 'audio/aiff'; + break; + + case 'bwf': + $type = 'audio/wav'; + break; + + case 'kar': + case 'mid': + case 'midi': + case 'smf': + $type = 'audio/midi'; + break; + + case 'm4a': + $type = 'audio/x-m4a'; + break; + + case 'mp3': + case 'swa': + $type = 'audio/mp3'; + break; + + case 'wav': + $type = 'audio/wav'; + break; + + case 'wax': + $type = 'audio/x-ms-wax'; + break; + + case 'wma': + $type = 'audio/x-ms-wma'; + break; + + // Video mime-types + case '3gp': + case '3gpp': + $type = 'video/3gpp'; + break; + + case '3g2': + case '3gp2': + $type = 'video/3gpp2'; + break; + + case 'asf': + $type = 'video/x-ms-asf'; + break; + + case 'flv': + $type = 'video/x-flv'; + break; + + case 'm1a': + case 'm1s': + case 'm1v': + case 'm15': + case 'm75': + case 'mp2': + case 'mpa': + case 'mpeg': + case 'mpg': + case 'mpm': + case 'mpv': + $type = 'video/mpeg'; + break; + + case 'm4v': + $type = 'video/x-m4v'; + break; + + case 'mov': + case 'qt': + $type = 'video/quicktime'; + break; + + case 'mp4': + case 'mpg4': + $type = 'video/mp4'; + break; + + case 'sdv': + $type = 'video/sd-video'; + break; + + case 'wm': + $type = 'video/x-ms-wm'; + break; + + case 'wmv': + $type = 'video/x-ms-wmv'; + break; + + case 'wvx': + $type = 'video/x-ms-wvx'; + break; + + // Flash mime-types + case 'spl': + $type = 'application/futuresplash'; + break; + + case 'swf': + $type = 'application/x-shockwave-flash'; + break; + } + } + + if ($find_handler) + { + if (in_array($type, $types_flash)) + { + return 'flash'; + } + elseif (in_array($type, $types_fmedia)) + { + return 'fmedia'; + } + elseif (in_array($type, $types_quicktime)) + { + return 'quicktime'; + } + elseif (in_array($type, $types_wmedia)) + { + return 'wmedia'; + } + elseif (in_array($type, $types_mp3)) + { + return 'mp3'; + } + + return null; + } + + return $type; + } +} diff --git a/lib/simplepie/library/SimplePie/Exception.php b/lib/simplepie/library/SimplePie/Exception.php new file mode 100644 index 000000000..53c015e77 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Exception.php @@ -0,0 +1,51 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * General SimplePie exception class + * + * @package SimplePie + */ +class SimplePie_Exception extends Exception +{ +}
\ No newline at end of file diff --git a/lib/simplepie/library/SimplePie/File.php b/lib/simplepie/library/SimplePie/File.php new file mode 100644 index 000000000..c73e0fbc9 --- /dev/null +++ b/lib/simplepie/library/SimplePie/File.php @@ -0,0 +1,305 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Used for fetching remote files and reading local files + * + * Supports HTTP 1.0 via cURL or fsockopen, with spotty HTTP 1.1 support + * + * This class can be overloaded with {@see SimplePie::set_file_class()} + * + * @package SimplePie + * @subpackage HTTP + * @todo Move to properly supporting RFC2616 (HTTP/1.1) + */ +class SimplePie_File +{ + var $url; + var $useragent; + var $success = true; + var $headers = array(); + var $body; + var $status_code; + var $redirects = 0; + var $error; + var $method = SIMPLEPIE_FILE_SOURCE_NONE; + var $permanent_url; + + public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false, $curl_options = array()) + { + if (class_exists('idna_convert')) + { + $idn = new idna_convert(); + $parsed = SimplePie_Misc::parse_url($url); + $url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], NULL); + } + $this->url = $url; + $this->permanent_url = $url; + $this->useragent = $useragent; + if (preg_match('/^http(s)?:\/\//i', $url)) + { + if ($useragent === null) + { + $useragent = ini_get('user_agent'); + $this->useragent = $useragent; + } + if (!is_array($headers)) + { + $headers = array(); + } + if (!$force_fsockopen && function_exists('curl_exec')) + { + $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL; + $fp = curl_init(); + $headers2 = array(); + foreach ($headers as $key => $value) + { + $headers2[] = "$key: $value"; + } + if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>=')) + { + curl_setopt($fp, CURLOPT_ENCODING, ''); + } + curl_setopt($fp, CURLOPT_URL, $url); + curl_setopt($fp, CURLOPT_HEADER, 1); + curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1); + curl_setopt($fp, CURLOPT_FAILONERROR, 1); + curl_setopt($fp, CURLOPT_TIMEOUT, $timeout); + curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout); + curl_setopt($fp, CURLOPT_REFERER, $url); + curl_setopt($fp, CURLOPT_USERAGENT, $useragent); + curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2); + if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>=')) + { + curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1); + curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects); + } + foreach ($curl_options as $curl_param => $curl_value) { + curl_setopt($fp, $curl_param, $curl_value); + } + + $this->headers = curl_exec($fp); + if (curl_errno($fp) === 23 || curl_errno($fp) === 61) + { + curl_setopt($fp, CURLOPT_ENCODING, 'none'); + $this->headers = curl_exec($fp); + } + if (curl_errno($fp)) + { + $this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp); + $this->success = false; + } + else + { + // Use the updated url provided by curl_getinfo after any redirects. + if ($info = curl_getinfo($fp)) { + $this->url = $info['url']; + } + curl_close($fp); + $this->headers = SimplePie_HTTP_Parser::prepareHeaders($this->headers, $info['redirect_count'] + 1); + $parser = new SimplePie_HTTP_Parser($this->headers); + if ($parser->parse()) + { + $this->headers = $parser->headers; + $this->body = trim($parser->body); + $this->status_code = $parser->status_code; + if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects) + { + $this->redirects++; + $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url); + $previousStatusCode = $this->status_code; + $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen); + $this->permanent_url = ($previousStatusCode == 301) ? $location : $url; + return; + } + } + } + } + else + { + $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN; + $url_parts = parse_url($url); + $socket_host = $url_parts['host']; + if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') + { + $socket_host = "ssl://$url_parts[host]"; + $url_parts['port'] = 443; + } + if (!isset($url_parts['port'])) + { + $url_parts['port'] = 80; + } + $fp = @fsockopen($socket_host, $url_parts['port'], $errno, $errstr, $timeout); + if (!$fp) + { + $this->error = 'fsockopen error: ' . $errstr; + $this->success = false; + } + else + { + stream_set_timeout($fp, $timeout); + if (isset($url_parts['path'])) + { + if (isset($url_parts['query'])) + { + $get = "$url_parts[path]?$url_parts[query]"; + } + else + { + $get = $url_parts['path']; + } + } + else + { + $get = '/'; + } + $out = "GET $get HTTP/1.1\r\n"; + $out .= "Host: $url_parts[host]\r\n"; + $out .= "User-Agent: $useragent\r\n"; + if (extension_loaded('zlib')) + { + $out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n"; + } + + if (isset($url_parts['user']) && isset($url_parts['pass'])) + { + $out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n"; + } + foreach ($headers as $key => $value) + { + $out .= "$key: $value\r\n"; + } + $out .= "Connection: Close\r\n\r\n"; + fwrite($fp, $out); + + $info = stream_get_meta_data($fp); + + $this->headers = ''; + while (!$info['eof'] && !$info['timed_out']) + { + $this->headers .= fread($fp, 1160); + $info = stream_get_meta_data($fp); + } + if (!$info['timed_out']) + { + $parser = new SimplePie_HTTP_Parser($this->headers); + if ($parser->parse()) + { + $this->headers = $parser->headers; + $this->body = $parser->body; + $this->status_code = $parser->status_code; + if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects) + { + $this->redirects++; + $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url); + $previousStatusCode = $this->status_code; + $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen); + $this->permanent_url = ($previousStatusCode == 301) ? $location : $url; + return; + } + if (isset($this->headers['content-encoding'])) + { + // Hey, we act dumb elsewhere, so let's do that here too + switch (strtolower(trim($this->headers['content-encoding'], "\x09\x0A\x0D\x20"))) + { + case 'gzip': + case 'x-gzip': + $decoder = new SimplePie_gzdecode($this->body); + if (!$decoder->parse()) + { + $this->error = 'Unable to decode HTTP "gzip" stream'; + $this->success = false; + } + else + { + $this->body = trim($decoder->data); + } + break; + + case 'deflate': + if (($decompressed = gzinflate($this->body)) !== false) + { + $this->body = $decompressed; + } + else if (($decompressed = gzuncompress($this->body)) !== false) + { + $this->body = $decompressed; + } + else if (function_exists('gzdecode') && ($decompressed = gzdecode($this->body)) !== false) + { + $this->body = $decompressed; + } + else + { + $this->error = 'Unable to decode HTTP "deflate" stream'; + $this->success = false; + } + break; + + default: + $this->error = 'Unknown content coding'; + $this->success = false; + } + } + } + } + else + { + $this->error = 'fsocket timed out'; + $this->success = false; + } + fclose($fp); + } + } + } + else + { + $this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS; + if (empty($url) || !($this->body = trim(file_get_contents($url)))) + { + $this->error = 'file_get_contents could not read the file'; + $this->success = false; + } + } + } +} diff --git a/lib/simplepie/library/SimplePie/HTTP/Parser.php b/lib/simplepie/library/SimplePie/HTTP/Parser.php new file mode 100644 index 000000000..7d6188dd1 --- /dev/null +++ b/lib/simplepie/library/SimplePie/HTTP/Parser.php @@ -0,0 +1,518 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + + +/** + * HTTP Response Parser + * + * @package SimplePie + * @subpackage HTTP + */ +class SimplePie_HTTP_Parser +{ + /** + * HTTP Version + * + * @var float + */ + public $http_version = 0.0; + + /** + * Status code + * + * @var int + */ + public $status_code = 0; + + /** + * Reason phrase + * + * @var string + */ + public $reason = ''; + + /** + * Key/value pairs of the headers + * + * @var array + */ + public $headers = array(); + + /** + * Body of the response + * + * @var string + */ + public $body = ''; + + /** + * Current state of the state machine + * + * @var string + */ + protected $state = 'http_version'; + + /** + * Input data + * + * @var string + */ + protected $data = ''; + + /** + * Input data length (to avoid calling strlen() everytime this is needed) + * + * @var int + */ + protected $data_length = 0; + + /** + * Current position of the pointer + * + * @var int + */ + protected $position = 0; + + /** + * Name of the hedaer currently being parsed + * + * @var string + */ + protected $name = ''; + + /** + * Value of the hedaer currently being parsed + * + * @var string + */ + protected $value = ''; + + /** + * Create an instance of the class with the input data + * + * @param string $data Input data + */ + public function __construct($data) + { + $this->data = $data; + $this->data_length = strlen($this->data); + } + + /** + * Parse the input data + * + * @return bool true on success, false on failure + */ + public function parse() + { + while ($this->state && $this->state !== 'emit' && $this->has_data()) + { + $state = $this->state; + $this->$state(); + } + $this->data = ''; + if ($this->state === 'emit' || $this->state === 'body') + { + return true; + } + + $this->http_version = ''; + $this->status_code = ''; + $this->reason = ''; + $this->headers = array(); + $this->body = ''; + return false; + } + + /** + * Check whether there is data beyond the pointer + * + * @return bool true if there is further data, false if not + */ + protected function has_data() + { + return (bool) ($this->position < $this->data_length); + } + + /** + * See if the next character is LWS + * + * @return bool true if the next character is LWS, false if not + */ + protected function is_linear_whitespace() + { + return (bool) ($this->data[$this->position] === "\x09" + || $this->data[$this->position] === "\x20" + || ($this->data[$this->position] === "\x0A" + && isset($this->data[$this->position + 1]) + && ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20"))); + } + + /** + * Parse the HTTP version + */ + protected function http_version() + { + if (strpos($this->data, "\x0A") !== false && strtoupper(substr($this->data, 0, 5)) === 'HTTP/') + { + $len = strspn($this->data, '0123456789.', 5); + $this->http_version = substr($this->data, 5, $len); + $this->position += 5 + $len; + if (substr_count($this->http_version, '.') <= 1) + { + $this->http_version = (float) $this->http_version; + $this->position += strspn($this->data, "\x09\x20", $this->position); + $this->state = 'status'; + } + else + { + $this->state = false; + } + } + else + { + $this->state = false; + } + } + + /** + * Parse the status code + */ + protected function status() + { + if ($len = strspn($this->data, '0123456789', $this->position)) + { + $this->status_code = (int) substr($this->data, $this->position, $len); + $this->position += $len; + $this->state = 'reason'; + } + else + { + $this->state = false; + } + } + + /** + * Parse the reason phrase + */ + protected function reason() + { + $len = strcspn($this->data, "\x0A", $this->position); + $this->reason = trim(substr($this->data, $this->position, $len), "\x09\x0D\x20"); + $this->position += $len + 1; + $this->state = 'new_line'; + } + + /** + * Deal with a new line, shifting data around as needed + */ + protected function new_line() + { + $this->value = trim($this->value, "\x0D\x20"); + if ($this->name !== '' && $this->value !== '') + { + $this->name = strtolower($this->name); + // We should only use the last Content-Type header. c.f. issue #1 + if (isset($this->headers[$this->name]) && $this->name !== 'content-type') + { + $this->headers[$this->name] .= ', ' . $this->value; + } + else + { + $this->headers[$this->name] = $this->value; + } + } + $this->name = ''; + $this->value = ''; + if (substr($this->data[$this->position], 0, 2) === "\x0D\x0A") + { + $this->position += 2; + $this->state = 'body'; + } + elseif ($this->data[$this->position] === "\x0A") + { + $this->position++; + $this->state = 'body'; + } + else + { + $this->state = 'name'; + } + } + + /** + * Parse a header name + */ + protected function name() + { + $len = strcspn($this->data, "\x0A:", $this->position); + if (isset($this->data[$this->position + $len])) + { + if ($this->data[$this->position + $len] === "\x0A") + { + $this->position += $len; + $this->state = 'new_line'; + } + else + { + $this->name = substr($this->data, $this->position, $len); + $this->position += $len + 1; + $this->state = 'value'; + } + } + else + { + $this->state = false; + } + } + + /** + * Parse LWS, replacing consecutive LWS characters with a single space + */ + protected function linear_whitespace() + { + do + { + if (substr($this->data, $this->position, 2) === "\x0D\x0A") + { + $this->position += 2; + } + elseif ($this->data[$this->position] === "\x0A") + { + $this->position++; + } + $this->position += strspn($this->data, "\x09\x20", $this->position); + } while ($this->has_data() && $this->is_linear_whitespace()); + $this->value .= "\x20"; + } + + /** + * See what state to move to while within non-quoted header values + */ + protected function value() + { + if ($this->is_linear_whitespace()) + { + $this->linear_whitespace(); + } + else + { + switch ($this->data[$this->position]) + { + case '"': + // Workaround for ETags: we have to include the quotes as + // part of the tag. + if (strtolower($this->name) === 'etag') + { + $this->value .= '"'; + $this->position++; + $this->state = 'value_char'; + break; + } + $this->position++; + $this->state = 'quote'; + break; + + case "\x0A": + $this->position++; + $this->state = 'new_line'; + break; + + default: + $this->state = 'value_char'; + break; + } + } + } + + /** + * Parse a header value while outside quotes + */ + protected function value_char() + { + $len = strcspn($this->data, "\x09\x20\x0A\"", $this->position); + $this->value .= substr($this->data, $this->position, $len); + $this->position += $len; + $this->state = 'value'; + } + + /** + * See what state to move to while within quoted header values + */ + protected function quote() + { + if ($this->is_linear_whitespace()) + { + $this->linear_whitespace(); + } + else + { + switch ($this->data[$this->position]) + { + case '"': + $this->position++; + $this->state = 'value'; + break; + + case "\x0A": + $this->position++; + $this->state = 'new_line'; + break; + + case '\\': + $this->position++; + $this->state = 'quote_escaped'; + break; + + default: + $this->state = 'quote_char'; + break; + } + } + } + + /** + * Parse a header value while within quotes + */ + protected function quote_char() + { + $len = strcspn($this->data, "\x09\x20\x0A\"\\", $this->position); + $this->value .= substr($this->data, $this->position, $len); + $this->position += $len; + $this->state = 'value'; + } + + /** + * Parse an escaped character within quotes + */ + protected function quote_escaped() + { + $this->value .= $this->data[$this->position]; + $this->position++; + $this->state = 'quote'; + } + + /** + * Parse the body + */ + protected function body() + { + $this->body = substr($this->data, $this->position); + if (!empty($this->headers['transfer-encoding'])) + { + unset($this->headers['transfer-encoding']); + $this->state = 'chunked'; + } + else + { + $this->state = 'emit'; + } + } + + /** + * Parsed a "Transfer-Encoding: chunked" body + */ + protected function chunked() + { + if (!preg_match('/^([0-9a-f]+)[^\r\n]*\r\n/i', trim($this->body))) + { + $this->state = 'emit'; + return; + } + + $decoded = ''; + $encoded = $this->body; + + while (true) + { + $is_chunked = (bool) preg_match( '/^([0-9a-f]+)[^\r\n]*\r\n/i', $encoded, $matches ); + if (!$is_chunked) + { + // Looks like it's not chunked after all + $this->state = 'emit'; + return; + } + + $length = hexdec(trim($matches[1])); + if ($length === 0) + { + // Ignore trailer headers + $this->state = 'emit'; + $this->body = $decoded; + return; + } + + $chunk_length = strlen($matches[0]); + $decoded .= $part = substr($encoded, $chunk_length, $length); + $encoded = substr($encoded, $chunk_length + $length + 2); + + if (trim($encoded) === '0' || empty($encoded)) + { + $this->state = 'emit'; + $this->body = $decoded; + return; + } + } + } + + /** + * Prepare headers (take care of proxies headers) + * + * @param string $headers Raw headers + * @param integer $count Redirection count. Default to 1. + * + * @return string + */ + static public function prepareHeaders($headers, $count = 1) + { + $data = explode("\r\n\r\n", $headers, $count); + $data = array_pop($data); + if (false !== stripos($data, "HTTP/1.0 200 Connection established\r\n\r\n")) { + $data = str_ireplace("HTTP/1.0 200 Connection established\r\n\r\n", '', $data); + } + if (false !== stripos($data, "HTTP/1.1 200 Connection established\r\n\r\n")) { + $data = str_ireplace("HTTP/1.1 200 Connection established\r\n\r\n", '', $data); + } + return $data; + } +} diff --git a/lib/simplepie/library/SimplePie/IRI.php b/lib/simplepie/library/SimplePie/IRI.php new file mode 100644 index 000000000..ffba232b1 --- /dev/null +++ b/lib/simplepie/library/SimplePie/IRI.php @@ -0,0 +1,1236 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * IRI parser/serialiser/normaliser + * + * @package SimplePie + * @subpackage HTTP + * @author Geoffrey Sneddon + * @author Steve Minutillo + * @author Ryan McCue + * @copyright 2007-2012 Geoffrey Sneddon, Steve Minutillo, Ryan McCue + * @license http://www.opensource.org/licenses/bsd-license.php + */ +class SimplePie_IRI +{ + /** + * Scheme + * + * @var string + */ + protected $scheme = null; + + /** + * User Information + * + * @var string + */ + protected $iuserinfo = null; + + /** + * ihost + * + * @var string + */ + protected $ihost = null; + + /** + * Port + * + * @var string + */ + protected $port = null; + + /** + * ipath + * + * @var string + */ + protected $ipath = ''; + + /** + * iquery + * + * @var string + */ + protected $iquery = null; + + /** + * ifragment + * + * @var string + */ + protected $ifragment = null; + + /** + * Normalization database + * + * Each key is the scheme, each value is an array with each key as the IRI + * part and value as the default value for that part. + */ + protected $normalization = array( + 'acap' => array( + 'port' => 674 + ), + 'dict' => array( + 'port' => 2628 + ), + 'file' => array( + 'ihost' => 'localhost' + ), + 'http' => array( + 'port' => 80, + 'ipath' => '/' + ), + 'https' => array( + 'port' => 443, + 'ipath' => '/' + ), + ); + + /** + * Return the entire IRI when you try and read the object as a string + * + * @return string + */ + public function __toString() + { + return $this->get_iri(); + } + + /** + * Overload __set() to provide access via properties + * + * @param string $name Property name + * @param mixed $value Property value + */ + public function __set($name, $value) + { + if (method_exists($this, 'set_' . $name)) + { + call_user_func(array($this, 'set_' . $name), $value); + } + elseif ( + $name === 'iauthority' + || $name === 'iuserinfo' + || $name === 'ihost' + || $name === 'ipath' + || $name === 'iquery' + || $name === 'ifragment' + ) + { + call_user_func(array($this, 'set_' . substr($name, 1)), $value); + } + } + + /** + * Overload __get() to provide access via properties + * + * @param string $name Property name + * @return mixed + */ + public function __get($name) + { + // isset() returns false for null, we don't want to do that + // Also why we use array_key_exists below instead of isset() + $props = get_object_vars($this); + + if ( + $name === 'iri' || + $name === 'uri' || + $name === 'iauthority' || + $name === 'authority' + ) + { + $return = $this->{"get_$name"}(); + } + elseif (array_key_exists($name, $props)) + { + $return = $this->$name; + } + // host -> ihost + elseif (($prop = 'i' . $name) && array_key_exists($prop, $props)) + { + $name = $prop; + $return = $this->$prop; + } + // ischeme -> scheme + elseif (($prop = substr($name, 1)) && array_key_exists($prop, $props)) + { + $name = $prop; + $return = $this->$prop; + } + else + { + trigger_error('Undefined property: ' . get_class($this) . '::' . $name, E_USER_NOTICE); + $return = null; + } + + if ($return === null && isset($this->normalization[$this->scheme][$name])) + { + return $this->normalization[$this->scheme][$name]; + } + + return $return; + } + + /** + * Overload __isset() to provide access via properties + * + * @param string $name Property name + * @return bool + */ + public function __isset($name) + { + return method_exists($this, 'get_' . $name) || isset($this->$name); + } + + /** + * Overload __unset() to provide access via properties + * + * @param string $name Property name + */ + public function __unset($name) + { + if (method_exists($this, 'set_' . $name)) + { + call_user_func(array($this, 'set_' . $name), ''); + } + } + + /** + * Create a new IRI object, from a specified string + * + * @param string $iri + */ + public function __construct($iri = null) + { + $this->set_iri($iri); + } + + /** + * Clean up + */ + public function __destruct() { + $this->set_iri(null, true); + $this->set_path(null, true); + $this->set_authority(null, true); + } + + /** + * Create a new IRI object by resolving a relative IRI + * + * Returns false if $base is not absolute, otherwise an IRI. + * + * @param IRI|string $base (Absolute) Base IRI + * @param IRI|string $relative Relative IRI + * @return IRI|false + */ + public static function absolutize($base, $relative) + { + if (!($relative instanceof SimplePie_IRI)) + { + $relative = new SimplePie_IRI($relative); + } + if (!$relative->is_valid()) + { + return false; + } + elseif ($relative->scheme !== null) + { + return clone $relative; + } + else + { + if (!($base instanceof SimplePie_IRI)) + { + $base = new SimplePie_IRI($base); + } + if ($base->scheme !== null && $base->is_valid()) + { + if ($relative->get_iri() !== '') + { + if ($relative->iuserinfo !== null || $relative->ihost !== null || $relative->port !== null) + { + $target = clone $relative; + $target->scheme = $base->scheme; + } + else + { + $target = new SimplePie_IRI; + $target->scheme = $base->scheme; + $target->iuserinfo = $base->iuserinfo; + $target->ihost = $base->ihost; + $target->port = $base->port; + if ($relative->ipath !== '') + { + if ($relative->ipath[0] === '/') + { + $target->ipath = $relative->ipath; + } + elseif (($base->iuserinfo !== null || $base->ihost !== null || $base->port !== null) && $base->ipath === '') + { + $target->ipath = '/' . $relative->ipath; + } + elseif (($last_segment = strrpos($base->ipath, '/')) !== false) + { + $target->ipath = substr($base->ipath, 0, $last_segment + 1) . $relative->ipath; + } + else + { + $target->ipath = $relative->ipath; + } + $target->ipath = $target->remove_dot_segments($target->ipath); + $target->iquery = $relative->iquery; + } + else + { + $target->ipath = $base->ipath; + if ($relative->iquery !== null) + { + $target->iquery = $relative->iquery; + } + elseif ($base->iquery !== null) + { + $target->iquery = $base->iquery; + } + } + $target->ifragment = $relative->ifragment; + } + } + else + { + $target = clone $base; + $target->ifragment = null; + } + $target->scheme_normalization(); + return $target; + } + + return false; + } + } + + /** + * Parse an IRI into scheme/authority/path/query/fragment segments + * + * @param string $iri + * @return array + */ + protected function parse_iri($iri) + { + $iri = trim($iri, "\x20\x09\x0A\x0C\x0D"); + if (preg_match('/^((?P<scheme>[^:\/?#]+):)?(\/\/(?P<authority>[^\/?#]*))?(?P<path>[^?#]*)(\?(?P<query>[^#]*))?(#(?P<fragment>.*))?$/', $iri, $match)) + { + if ($match[1] === '') + { + $match['scheme'] = null; + } + if (!isset($match[3]) || $match[3] === '') + { + $match['authority'] = null; + } + if (!isset($match[5])) + { + $match['path'] = ''; + } + if (!isset($match[6]) || $match[6] === '') + { + $match['query'] = null; + } + if (!isset($match[8]) || $match[8] === '') + { + $match['fragment'] = null; + } + return $match; + } + + // This can occur when a paragraph is accidentally parsed as a URI + return false; + } + + /** + * Remove dot segments from a path + * + * @param string $input + * @return string + */ + protected function remove_dot_segments($input) + { + $output = ''; + while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..') + { + // A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise, + if (strpos($input, '../') === 0) + { + $input = substr($input, 3); + } + elseif (strpos($input, './') === 0) + { + $input = substr($input, 2); + } + // B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise, + elseif (strpos($input, '/./') === 0) + { + $input = substr($input, 2); + } + elseif ($input === '/.') + { + $input = '/'; + } + // C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise, + elseif (strpos($input, '/../') === 0) + { + $input = substr($input, 3); + $output = substr_replace($output, '', strrpos($output, '/')); + } + elseif ($input === '/..') + { + $input = '/'; + $output = substr_replace($output, '', strrpos($output, '/')); + } + // D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise, + elseif ($input === '.' || $input === '..') + { + $input = ''; + } + // E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer + elseif (($pos = strpos($input, '/', 1)) !== false) + { + $output .= substr($input, 0, $pos); + $input = substr_replace($input, '', 0, $pos); + } + else + { + $output .= $input; + $input = ''; + } + } + return $output . $input; + } + + /** + * Replace invalid character with percent encoding + * + * @param string $string Input string + * @param string $extra_chars Valid characters not in iunreserved or + * iprivate (this is ASCII-only) + * @param bool $iprivate Allow iprivate + * @return string + */ + protected function replace_invalid_with_pct_encoding($string, $extra_chars, $iprivate = false) + { + // Normalize as many pct-encoded sections as possible + $string = preg_replace_callback('/(?:%[A-Fa-f0-9]{2})+/', array($this, 'remove_iunreserved_percent_encoded'), $string); + + // Replace invalid percent characters + $string = preg_replace('/%(?![A-Fa-f0-9]{2})/', '%25', $string); + + // Add unreserved and % to $extra_chars (the latter is safe because all + // pct-encoded sections are now valid). + $extra_chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~%'; + + // Now replace any bytes that aren't allowed with their pct-encoded versions + $position = 0; + $strlen = strlen($string); + while (($position += strspn($string, $extra_chars, $position)) < $strlen) + { + $value = ord($string[$position]); + + // Start position + $start = $position; + + // By default we are valid + $valid = true; + + // No one byte sequences are valid due to the while. + // Two byte sequence: + if (($value & 0xE0) === 0xC0) + { + $character = ($value & 0x1F) << 6; + $length = 2; + $remaining = 1; + } + // Three byte sequence: + elseif (($value & 0xF0) === 0xE0) + { + $character = ($value & 0x0F) << 12; + $length = 3; + $remaining = 2; + } + // Four byte sequence: + elseif (($value & 0xF8) === 0xF0) + { + $character = ($value & 0x07) << 18; + $length = 4; + $remaining = 3; + } + // Invalid byte: + else + { + $valid = false; + $length = 1; + $remaining = 0; + } + + if ($remaining) + { + if ($position + $length <= $strlen) + { + for ($position++; $remaining; $position++) + { + $value = ord($string[$position]); + + // Check that the byte is valid, then add it to the character: + if (($value & 0xC0) === 0x80) + { + $character |= ($value & 0x3F) << (--$remaining * 6); + } + // If it is invalid, count the sequence as invalid and reprocess the current byte: + else + { + $valid = false; + $position--; + break; + } + } + } + else + { + $position = $strlen - 1; + $valid = false; + } + } + + // Percent encode anything invalid or not in ucschar + if ( + // Invalid sequences + !$valid + // Non-shortest form sequences are invalid + || $length > 1 && $character <= 0x7F + || $length > 2 && $character <= 0x7FF + || $length > 3 && $character <= 0xFFFF + // Outside of range of ucschar codepoints + // Noncharacters + || ($character & 0xFFFE) === 0xFFFE + || $character >= 0xFDD0 && $character <= 0xFDEF + || ( + // Everything else not in ucschar + $character > 0xD7FF && $character < 0xF900 + || $character < 0xA0 + || $character > 0xEFFFD + ) + && ( + // Everything not in iprivate, if it applies + !$iprivate + || $character < 0xE000 + || $character > 0x10FFFD + ) + ) + { + // If we were a character, pretend we weren't, but rather an error. + if ($valid) + $position--; + + for ($j = $start; $j <= $position; $j++) + { + $string = substr_replace($string, sprintf('%%%02X', ord($string[$j])), $j, 1); + $j += 2; + $position += 2; + $strlen += 2; + } + } + } + + return $string; + } + + /** + * Callback function for preg_replace_callback. + * + * Removes sequences of percent encoded bytes that represent UTF-8 + * encoded characters in iunreserved + * + * @param array $match PCRE match + * @return string Replacement + */ + protected function remove_iunreserved_percent_encoded($match) + { + // As we just have valid percent encoded sequences we can just explode + // and ignore the first member of the returned array (an empty string). + $bytes = explode('%', $match[0]); + + // Initialize the new string (this is what will be returned) and that + // there are no bytes remaining in the current sequence (unsurprising + // at the first byte!). + $string = ''; + $remaining = 0; + + // Loop over each and every byte, and set $value to its value + for ($i = 1, $len = count($bytes); $i < $len; $i++) + { + $value = hexdec($bytes[$i]); + + // If we're the first byte of sequence: + if (!$remaining) + { + // Start position + $start = $i; + + // By default we are valid + $valid = true; + + // One byte sequence: + if ($value <= 0x7F) + { + $character = $value; + $length = 1; + } + // Two byte sequence: + elseif (($value & 0xE0) === 0xC0) + { + $character = ($value & 0x1F) << 6; + $length = 2; + $remaining = 1; + } + // Three byte sequence: + elseif (($value & 0xF0) === 0xE0) + { + $character = ($value & 0x0F) << 12; + $length = 3; + $remaining = 2; + } + // Four byte sequence: + elseif (($value & 0xF8) === 0xF0) + { + $character = ($value & 0x07) << 18; + $length = 4; + $remaining = 3; + } + // Invalid byte: + else + { + $valid = false; + $remaining = 0; + } + } + // Continuation byte: + else + { + // Check that the byte is valid, then add it to the character: + if (($value & 0xC0) === 0x80) + { + $remaining--; + $character |= ($value & 0x3F) << ($remaining * 6); + } + // If it is invalid, count the sequence as invalid and reprocess the current byte as the start of a sequence: + else + { + $valid = false; + $remaining = 0; + $i--; + } + } + + // If we've reached the end of the current byte sequence, append it to Unicode::$data + if (!$remaining) + { + // Percent encode anything invalid or not in iunreserved + if ( + // Invalid sequences + !$valid + // Non-shortest form sequences are invalid + || $length > 1 && $character <= 0x7F + || $length > 2 && $character <= 0x7FF + || $length > 3 && $character <= 0xFFFF + // Outside of range of iunreserved codepoints + || $character < 0x2D + || $character > 0xEFFFD + // Noncharacters + || ($character & 0xFFFE) === 0xFFFE + || $character >= 0xFDD0 && $character <= 0xFDEF + // Everything else not in iunreserved (this is all BMP) + || $character === 0x2F + || $character > 0x39 && $character < 0x41 + || $character > 0x5A && $character < 0x61 + || $character > 0x7A && $character < 0x7E + || $character > 0x7E && $character < 0xA0 + || $character > 0xD7FF && $character < 0xF900 + ) + { + for ($j = $start; $j <= $i; $j++) + { + $string .= '%' . strtoupper($bytes[$j]); + } + } + else + { + for ($j = $start; $j <= $i; $j++) + { + $string .= chr(hexdec($bytes[$j])); + } + } + } + } + + // If we have any bytes left over they are invalid (i.e., we are + // mid-way through a multi-byte sequence) + if ($remaining) + { + for ($j = $start; $j < $len; $j++) + { + $string .= '%' . strtoupper($bytes[$j]); + } + } + + return $string; + } + + protected function scheme_normalization() + { + if (isset($this->normalization[$this->scheme]['iuserinfo']) && $this->iuserinfo === $this->normalization[$this->scheme]['iuserinfo']) + { + $this->iuserinfo = null; + } + if (isset($this->normalization[$this->scheme]['ihost']) && $this->ihost === $this->normalization[$this->scheme]['ihost']) + { + $this->ihost = null; + } + if (isset($this->normalization[$this->scheme]['port']) && $this->port === $this->normalization[$this->scheme]['port']) + { + $this->port = null; + } + if (isset($this->normalization[$this->scheme]['ipath']) && $this->ipath === $this->normalization[$this->scheme]['ipath']) + { + $this->ipath = ''; + } + if (isset($this->normalization[$this->scheme]['iquery']) && $this->iquery === $this->normalization[$this->scheme]['iquery']) + { + $this->iquery = null; + } + if (isset($this->normalization[$this->scheme]['ifragment']) && $this->ifragment === $this->normalization[$this->scheme]['ifragment']) + { + $this->ifragment = null; + } + } + + /** + * Check if the object represents a valid IRI. This needs to be done on each + * call as some things change depending on another part of the IRI. + * + * @return bool + */ + public function is_valid() + { + if ($this->ipath === '') return true; + + $isauthority = $this->iuserinfo !== null || $this->ihost !== null || + $this->port !== null; + if ($isauthority && $this->ipath[0] === '/') return true; + + if (!$isauthority && (substr($this->ipath, 0, 2) === '//')) return false; + + // Relative urls cannot have a colon in the first path segment (and the + // slashes themselves are not included so skip the first character). + if (!$this->scheme && !$isauthority && + strpos($this->ipath, ':') !== false && + strpos($this->ipath, '/', 1) !== false && + strpos($this->ipath, ':') < strpos($this->ipath, '/', 1)) return false; + + return true; + } + + /** + * Set the entire IRI. Returns true on success, false on failure (if there + * are any invalid characters). + * + * @param string $iri + * @return bool + */ + public function set_iri($iri, $clear_cache = false) + { + static $cache; + if ($clear_cache) + { + $cache = null; + return; + } + if (!$cache) + { + $cache = array(); + } + + if ($iri === null) + { + return true; + } + elseif (isset($cache[$iri])) + { + list($this->scheme, + $this->iuserinfo, + $this->ihost, + $this->port, + $this->ipath, + $this->iquery, + $this->ifragment, + $return) = $cache[$iri]; + return $return; + } + + $parsed = $this->parse_iri((string) $iri); + if (!$parsed) + { + return false; + } + + $return = $this->set_scheme($parsed['scheme']) + && $this->set_authority($parsed['authority']) + && $this->set_path($parsed['path']) + && $this->set_query($parsed['query']) + && $this->set_fragment($parsed['fragment']); + + $cache[$iri] = array($this->scheme, + $this->iuserinfo, + $this->ihost, + $this->port, + $this->ipath, + $this->iquery, + $this->ifragment, + $return); + return $return; + } + + /** + * Set the scheme. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @param string $scheme + * @return bool + */ + public function set_scheme($scheme) + { + if ($scheme === null) + { + $this->scheme = null; + } + elseif (!preg_match('/^[A-Za-z][0-9A-Za-z+\-.]*$/', $scheme)) + { + $this->scheme = null; + return false; + } + else + { + $this->scheme = strtolower($scheme); + } + return true; + } + + /** + * Set the authority. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @param string $authority + * @return bool + */ + public function set_authority($authority, $clear_cache = false) + { + static $cache; + if ($clear_cache) + { + $cache = null; + return; + } + if (!$cache) + $cache = array(); + + if ($authority === null) + { + $this->iuserinfo = null; + $this->ihost = null; + $this->port = null; + return true; + } + elseif (isset($cache[$authority])) + { + list($this->iuserinfo, + $this->ihost, + $this->port, + $return) = $cache[$authority]; + + return $return; + } + + $remaining = $authority; + if (($iuserinfo_end = strrpos($remaining, '@')) !== false) + { + $iuserinfo = substr($remaining, 0, $iuserinfo_end); + $remaining = substr($remaining, $iuserinfo_end + 1); + } + else + { + $iuserinfo = null; + } + if (($port_start = strpos($remaining, ':', strpos($remaining, ']'))) !== false) + { + if (($port = substr($remaining, $port_start + 1)) === false) + { + $port = null; + } + $remaining = substr($remaining, 0, $port_start); + } + else + { + $port = null; + } + + $return = $this->set_userinfo($iuserinfo) && + $this->set_host($remaining) && + $this->set_port($port); + + $cache[$authority] = array($this->iuserinfo, + $this->ihost, + $this->port, + $return); + + return $return; + } + + /** + * Set the iuserinfo. + * + * @param string $iuserinfo + * @return bool + */ + public function set_userinfo($iuserinfo) + { + if ($iuserinfo === null) + { + $this->iuserinfo = null; + } + else + { + $this->iuserinfo = $this->replace_invalid_with_pct_encoding($iuserinfo, '!$&\'()*+,;=:'); + $this->scheme_normalization(); + } + + return true; + } + + /** + * Set the ihost. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @param string $ihost + * @return bool + */ + public function set_host($ihost) + { + if ($ihost === null) + { + $this->ihost = null; + return true; + } + elseif (substr($ihost, 0, 1) === '[' && substr($ihost, -1) === ']') + { + if (SimplePie_Net_IPv6::check_ipv6(substr($ihost, 1, -1))) + { + $this->ihost = '[' . SimplePie_Net_IPv6::compress(substr($ihost, 1, -1)) . ']'; + } + else + { + $this->ihost = null; + return false; + } + } + else + { + $ihost = $this->replace_invalid_with_pct_encoding($ihost, '!$&\'()*+,;='); + + // Lowercase, but ignore pct-encoded sections (as they should + // remain uppercase). This must be done after the previous step + // as that can add unescaped characters. + $position = 0; + $strlen = strlen($ihost); + while (($position += strcspn($ihost, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ%', $position)) < $strlen) + { + if ($ihost[$position] === '%') + { + $position += 3; + } + else + { + $ihost[$position] = strtolower($ihost[$position]); + $position++; + } + } + + $this->ihost = $ihost; + } + + $this->scheme_normalization(); + + return true; + } + + /** + * Set the port. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @param string $port + * @return bool + */ + public function set_port($port) + { + if ($port === null) + { + $this->port = null; + return true; + } + elseif (strspn($port, '0123456789') === strlen($port)) + { + $this->port = (int) $port; + $this->scheme_normalization(); + return true; + } + + $this->port = null; + return false; + } + + /** + * Set the ipath. + * + * @param string $ipath + * @return bool + */ + public function set_path($ipath, $clear_cache = false) + { + static $cache; + if ($clear_cache) + { + $cache = null; + return; + } + if (!$cache) + { + $cache = array(); + } + + $ipath = (string) $ipath; + + if (isset($cache[$ipath])) + { + $this->ipath = $cache[$ipath][(int) ($this->scheme !== null)]; + } + else + { + $valid = $this->replace_invalid_with_pct_encoding($ipath, '!$&\'()*+,;=@:/'); + $removed = $this->remove_dot_segments($valid); + + $cache[$ipath] = array($valid, $removed); + $this->ipath = ($this->scheme !== null) ? $removed : $valid; + } + + $this->scheme_normalization(); + return true; + } + + /** + * Set the iquery. + * + * @param string $iquery + * @return bool + */ + public function set_query($iquery) + { + if ($iquery === null) + { + $this->iquery = null; + } + else + { + $this->iquery = $this->replace_invalid_with_pct_encoding($iquery, '!$&\'()*+,;=:@/?', true); + $this->scheme_normalization(); + } + return true; + } + + /** + * Set the ifragment. + * + * @param string $ifragment + * @return bool + */ + public function set_fragment($ifragment) + { + if ($ifragment === null) + { + $this->ifragment = null; + } + else + { + $this->ifragment = $this->replace_invalid_with_pct_encoding($ifragment, '!$&\'()*+,;=:@/?'); + $this->scheme_normalization(); + } + return true; + } + + /** + * Convert an IRI to a URI (or parts thereof) + * + * @return string + */ + public function to_uri($string) + { + static $non_ascii; + if (!$non_ascii) + { + $non_ascii = implode('', range("\x80", "\xFF")); + } + + $position = 0; + $strlen = strlen($string); + while (($position += strcspn($string, $non_ascii, $position)) < $strlen) + { + $string = substr_replace($string, sprintf('%%%02X', ord($string[$position])), $position, 1); + $position += 3; + $strlen += 2; + } + + return $string; + } + + /** + * Get the complete IRI + * + * @return string + */ + public function get_iri() + { + if (!$this->is_valid()) + { + return false; + } + + $iri = ''; + if ($this->scheme !== null) + { + $iri .= $this->scheme . ':'; + } + if (($iauthority = $this->get_iauthority()) !== null) + { + $iri .= '//' . $iauthority; + } + if ($this->ipath !== '') + { + $iri .= $this->ipath; + } + elseif (!empty($this->normalization[$this->scheme]['ipath']) && $iauthority !== null && $iauthority !== '') + { + $iri .= $this->normalization[$this->scheme]['ipath']; + } + if ($this->iquery !== null) + { + $iri .= '?' . $this->iquery; + } + if ($this->ifragment !== null) + { + $iri .= '#' . $this->ifragment; + } + + return $iri; + } + + /** + * Get the complete URI + * + * @return string + */ + public function get_uri() + { + return $this->to_uri($this->get_iri()); + } + + /** + * Get the complete iauthority + * + * @return string + */ + protected function get_iauthority() + { + if ($this->iuserinfo !== null || $this->ihost !== null || $this->port !== null) + { + $iauthority = ''; + if ($this->iuserinfo !== null) + { + $iauthority .= $this->iuserinfo . '@'; + } + if ($this->ihost !== null) + { + $iauthority .= $this->ihost; + } + if ($this->port !== null && $this->port !== 0) + { + $iauthority .= ':' . $this->port; + } + return $iauthority; + } + + return null; + } + + /** + * Get the complete authority + * + * @return string + */ + protected function get_authority() + { + $iauthority = $this->get_iauthority(); + if (is_string($iauthority)) + return $this->to_uri($iauthority); + + return $iauthority; + } +} diff --git a/lib/simplepie/library/SimplePie/Item.php b/lib/simplepie/library/SimplePie/Item.php new file mode 100644 index 000000000..9b9c1f5db --- /dev/null +++ b/lib/simplepie/library/SimplePie/Item.php @@ -0,0 +1,2966 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + + +/** + * Manages all item-related data + * + * Used by {@see SimplePie::get_item()} and {@see SimplePie::get_items()} + * + * This class can be overloaded with {@see SimplePie::set_item_class()} + * + * @package SimplePie + * @subpackage API + */ +class SimplePie_Item +{ + /** + * Parent feed + * + * @access private + * @var SimplePie + */ + var $feed; + + /** + * Raw data + * + * @access private + * @var array + */ + var $data = array(); + + /** + * Registry object + * + * @see set_registry + * @var SimplePie_Registry + */ + protected $registry; + + /** + * Create a new item object + * + * This is usually used by {@see SimplePie::get_items} and + * {@see SimplePie::get_item}. Avoid creating this manually. + * + * @param SimplePie $feed Parent feed + * @param array $data Raw data + */ + public function __construct($feed, $data) + { + $this->feed = $feed; + $this->data = $data; + } + + /** + * Set the registry handler + * + * This is usually used by {@see SimplePie_Registry::create} + * + * @since 1.3 + * @param SimplePie_Registry $registry + */ + public function set_registry(SimplePie_Registry $registry) + { + $this->registry = $registry; + } + + /** + * Get a string representation of the item + * + * @return string + */ + public function __toString() + { + return md5(serialize($this->data)); + } + + /** + * Remove items that link back to this before destroying this object + */ + public function __destruct() + { + if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode')) + { + unset($this->feed); + } + } + + /** + * Get data for an item-level element + * + * This method allows you to get access to ANY element/attribute that is a + * sub-element of the item/entry tag. + * + * See {@see SimplePie::get_feed_tags()} for a description of the return value + * + * @since 1.0 + * @see http://simplepie.org/wiki/faq/supported_xml_namespaces + * @param string $namespace The URL of the XML namespace of the elements you're trying to access + * @param string $tag Tag name + * @return array + */ + public function get_item_tags($namespace, $tag) + { + if (isset($this->data['child'][$namespace][$tag])) + { + return $this->data['child'][$namespace][$tag]; + } + + return null; + } + + /** + * Get the base URL value from the parent feed + * + * Uses `<xml:base>` + * + * @param array $element + * @return string + */ + public function get_base($element = array()) + { + return $this->feed->get_base($element); + } + + /** + * Sanitize feed data + * + * @access private + * @see SimplePie::sanitize() + * @param string $data Data to sanitize + * @param int $type One of the SIMPLEPIE_CONSTRUCT_* constants + * @param string $base Base URL to resolve URLs against + * @return string Sanitized data + */ + public function sanitize($data, $type, $base = '') + { + return $this->feed->sanitize($data, $type, $base); + } + + /** + * Get the parent feed + * + * Note: this may not work as you think for multifeeds! + * + * @link http://simplepie.org/faq/typical_multifeed_gotchas#missing_data_from_feed + * @since 1.0 + * @return SimplePie + */ + public function get_feed() + { + return $this->feed; + } + + /** + * Get the unique identifier for the item + * + * This is usually used when writing code to check for new items in a feed. + * + * Uses `<atom:id>`, `<guid>`, `<dc:identifier>` or the `about` attribute + * for RDF. If none of these are supplied (or `$hash` is true), creates an + * MD5 hash based on the permalink, title and content. + * + * @since Beta 2 + * @param boolean $hash Should we force using a hash instead of the supplied ID? + * @param string|false $fn User-supplied function to generate an hash + * @return string|null + */ + public function get_id($hash = false, $fn = 'md5') + { + if (!$hash) + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'id')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'id')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'identifier')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'identifier')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($this->data['attribs'][SIMPLEPIE_NAMESPACE_RDF]['about'])) + { + return $this->sanitize($this->data['attribs'][SIMPLEPIE_NAMESPACE_RDF]['about'], SIMPLEPIE_CONSTRUCT_TEXT); + } + } + if ($fn === false) + { + return null; + } + elseif (!is_callable($fn)) + { + trigger_error('User-supplied function $fn must be callable', E_USER_WARNING); + $fn = 'md5'; + } + return call_user_func($fn, + $this->get_permalink().$this->get_title().$this->get_content()); + } + + /** + * Get the title of the item + * + * Uses `<atom:title>`, `<title>` or `<dc:title>` + * + * @since Beta 2 (previously called `get_item_title` since 0.8) + * @return string|null + */ + public function get_title() + { + if (!isset($this->data['title'])) + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $this->data['title'] = null; + } + } + return $this->data['title']; + } + + /** + * Get the content for the item + * + * Prefers summaries over full content , but will return full content if a + * summary does not exist. + * + * To prefer full content instead, use {@see get_content} + * + * Uses `<atom:summary>`, `<description>`, `<dc:description>` or + * `<itunes:subtitle>` + * + * @since 0.8 + * @param boolean $description_only Should we avoid falling back to the content? + * @return string|null + */ + public function get_description($description_only = false) + { + if (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'summary')) && + ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0])))) + { + return $return; + } + elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'summary')) && + ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0])))) + { + return $return; + } + elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) && + ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($tags[0])))) + { + return $return; + } + elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) && + ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0])))) + { + return $return; + } + elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) && + ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT))) + { + return $return; + } + elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) && + ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT))) + { + return $return; + } + elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) && + ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0])))) + { + return $return; + } + elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) && + ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT))) + { + return $return; + } + elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) && + ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML))) + { + return $return; + } + + elseif (!$description_only) + { + return $this->get_content(true); + } + + return null; + } + + /** + * Get the content for the item + * + * Prefers full content over summaries, but will return a summary if full + * content does not exist. + * + * To prefer summaries instead, use {@see get_description} + * + * Uses `<atom:content>` or `<content:encoded>` (RSS 1.0 Content Module) + * + * @since 1.0 + * @param boolean $content_only Should we avoid falling back to the description? + * @return string|null + */ + public function get_content($content_only = false) + { + if (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'content')) && + ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_10_content_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0])))) + { + return $return; + } + elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'content')) && + ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0])))) + { + return $return; + } + elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded')) && + ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0])))) + { + return $return; + } + elseif (!$content_only) + { + return $this->get_description(true); + } + + return null; + } + + /** + * Get the media:thumbnail of the item + * + * Uses `<media:thumbnail>` + * + * + * @return array|null + */ + public function get_thumbnail() + { + if (!isset($this->data['thumbnail'])) + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail')) + { + $this->data['thumbnail'] = $return[0]['attribs']['']; + } + else + { + $this->data['thumbnail'] = null; + } + } + return $this->data['thumbnail']; + } + + /** + * Get a category for the item + * + * @since Beta 3 (previously called `get_categories()` since Beta 2) + * @param int $key The category that you want to return. Remember that arrays begin with 0, not 1 + * @return SimplePie_Category|null + */ + public function get_category($key = 0) + { + $categories = $this->get_categories(); + if (isset($categories[$key])) + { + return $categories[$key]; + } + + return null; + } + + /** + * Get all categories for the item + * + * Uses `<atom:category>`, `<category>` or `<dc:subject>` + * + * @since Beta 3 + * @return SimplePie_Category[]|null List of {@see SimplePie_Category} objects + */ + public function get_categories() + { + $categories = array(); + + $type = 'category'; + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, $type) as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['attribs']['']['term'])) + { + $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = $this->registry->create('Category', array($term, $scheme, $label, $type)); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, $type) as $category) + { + // This is really the label, but keep this as the term also for BC. + // Label will also work on retrieving because that falls back to term. + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + if (isset($category['attribs']['']['domain'])) + { + $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = null; + } + $categories[] = $this->registry->create('Category', array($term, $scheme, null, $type)); + } + + $type = 'subject'; + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, $type) as $category) + { + $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null, $type)); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, $type) as $category) + { + $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null, $type)); + } + + if (!empty($categories)) + { + return array_unique($categories); + } + + return null; + } + + /** + * Get an author for the item + * + * @since Beta 2 + * @param int $key The author that you want to return. Remember that arrays begin with 0, not 1 + * @return SimplePie_Author|null + */ + public function get_author($key = 0) + { + $authors = $this->get_authors(); + if (isset($authors[$key])) + { + return $authors[$key]; + } + + return null; + } + + /** + * Get a contributor for the item + * + * @since 1.1 + * @param int $key The contrbutor that you want to return. Remember that arrays begin with 0, not 1 + * @return SimplePie_Author|null + */ + public function get_contributor($key = 0) + { + $contributors = $this->get_contributors(); + if (isset($contributors[$key])) + { + return $contributors[$key]; + } + + return null; + } + + /** + * Get all contributors for the item + * + * Uses `<atom:contributor>` + * + * @since 1.1 + * @return SimplePie_Author[]|null List of {@see SimplePie_Author} objects + */ + public function get_contributors() + { + $contributors = array(); + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor) + { + $name = null; + $uri = null; + $email = null; + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) + { + $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) + { + $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) + { + $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $uri !== null) + { + $contributors[] = $this->registry->create('Author', array($name, $uri, $email)); + } + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor) + { + $name = null; + $url = null; + $email = null; + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) + { + $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) + { + $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) + { + $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $url !== null) + { + $contributors[] = $this->registry->create('Author', array($name, $url, $email)); + } + } + + if (!empty($contributors)) + { + return array_unique($contributors); + } + + return null; + } + + /** + * Get all authors for the item + * + * Uses `<atom:author>`, `<author>`, `<dc:creator>` or `<itunes:author>` + * + * @since Beta 2 + * @return SimplePie_Author[]|null List of {@see SimplePie_Author} objects + */ + public function get_authors() + { + $authors = array(); + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author) + { + $name = null; + $uri = null; + $email = null; + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) + { + $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) + { + $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); + } + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) + { + $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $uri !== null) + { + $authors[] = $this->registry->create('Author', array($name, $uri, $email)); + } + } + if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author')) + { + $name = null; + $url = null; + $email = null; + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) + { + $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) + { + $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); + } + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) + { + $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $url !== null) + { + $authors[] = $this->registry->create('Author', array($name, $url, $email)); + } + } + if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'author')) + { + $authors[] = $this->registry->create('Author', array(null, null, $this->sanitize($author[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT))); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author) + { + $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author) + { + $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author) + { + $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); + } + + if (!empty($authors)) + { + return array_unique($authors); + } + elseif (($source = $this->get_source()) && ($authors = $source->get_authors())) + { + return $authors; + } + elseif ($authors = $this->feed->get_authors()) + { + return $authors; + } + + return null; + } + + /** + * Get the copyright info for the item + * + * Uses `<atom:rights>` or `<dc:rights>` + * + * @since 1.1 + * @return string + */ + public function get_copyright() + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights')) + { + return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + + return null; + } + + /** + * Get the posting date/time for the item + * + * Uses `<atom:published>`, `<atom:updated>`, `<atom:issued>`, + * `<atom:modified>`, `<pubDate>` or `<dc:date>` + * + * Note: obeys PHP's timezone setting. To get a UTC date/time, use + * {@see get_gmdate} + * + * @since Beta 2 (previously called `get_item_date` since 0.8) + * + * @param string $date_format Supports any PHP date format from {@see http://php.net/date} (empty for the raw data) + * @return int|string|null + */ + public function get_date($date_format = 'j F Y, g:i a') + { + if (!isset($this->data['date'])) + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'published')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'pubDate')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'date')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'date')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'issued')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'created')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'modified')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + + if (!empty($this->data['date']['raw'])) + { + $parser = $this->registry->call('Parse_Date', 'get'); + $this->data['date']['parsed'] = $parser->parse($this->data['date']['raw']); + } + else + { + $this->data['date'] = null; + } + } + if ($this->data['date']) + { + $date_format = (string) $date_format; + switch ($date_format) + { + case '': + return $this->sanitize($this->data['date']['raw'], SIMPLEPIE_CONSTRUCT_TEXT); + + case 'U': + return $this->data['date']['parsed']; + + default: + return date($date_format, $this->data['date']['parsed']); + } + } + + return null; + } + + /** + * Get the update date/time for the item + * + * Uses `<atom:updated>` + * + * Note: obeys PHP's timezone setting. To get a UTC date/time, use + * {@see get_gmdate} + * + * @param string $date_format Supports any PHP date format from {@see http://php.net/date} (empty for the raw data) + * @return int|string|null + */ + public function get_updated_date($date_format = 'j F Y, g:i a') + { + if (!isset($this->data['updated'])) + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated')) + { + $this->data['updated']['raw'] = $return[0]['data']; + } + + if (!empty($this->data['updated']['raw'])) + { + $parser = $this->registry->call('Parse_Date', 'get'); + $this->data['updated']['parsed'] = $parser->parse($this->data['updated']['raw']); + } + else + { + $this->data['updated'] = null; + } + } + if ($this->data['updated']) + { + $date_format = (string) $date_format; + switch ($date_format) + { + case '': + return $this->sanitize($this->data['updated']['raw'], SIMPLEPIE_CONSTRUCT_TEXT); + + case 'U': + return $this->data['updated']['parsed']; + + default: + return date($date_format, $this->data['updated']['parsed']); + } + } + + return null; + } + + /** + * Get the localized posting date/time for the item + * + * Returns the date formatted in the localized language. To display in + * languages other than the server's default, you need to change the locale + * with {@link http://php.net/setlocale setlocale()}. The available + * localizations depend on which ones are installed on your web server. + * + * @since 1.0 + * + * @param string $date_format Supports any PHP date format from {@see http://php.net/strftime} (empty for the raw data) + * @return int|string|null + */ + public function get_local_date($date_format = '%c') + { + if (!$date_format) + { + return $this->sanitize($this->get_date(''), SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (($date = $this->get_date('U')) !== null && $date !== false) + { + return strftime($date_format, $date); + } + + return null; + } + + /** + * Get the posting date/time for the item (UTC time) + * + * @see get_date + * @param string $date_format Supports any PHP date format from {@see http://php.net/date} + * @return int|string|null + */ + public function get_gmdate($date_format = 'j F Y, g:i a') + { + $date = $this->get_date('U'); + if ($date === null) + { + return null; + } + + return gmdate($date_format, $date); + } + + /** + * Get the update date/time for the item (UTC time) + * + * @see get_updated_date + * @param string $date_format Supports any PHP date format from {@see http://php.net/date} + * @return int|string|null + */ + public function get_updated_gmdate($date_format = 'j F Y, g:i a') + { + $date = $this->get_updated_date('U'); + if ($date === null) + { + return null; + } + + return gmdate($date_format, $date); + } + + /** + * Get the permalink for the item + * + * Returns the first link available with a relationship of "alternate". + * Identical to {@see get_link()} with key 0 + * + * @see get_link + * @since 0.8 + * @return string|null Permalink URL + */ + public function get_permalink() + { + $link = $this->get_link(); + $enclosure = $this->get_enclosure(0); + if ($link !== null) + { + return $link; + } + elseif ($enclosure !== null) + { + return $enclosure->get_link(); + } + + return null; + } + + /** + * Get a single link for the item + * + * @since Beta 3 + * @param int $key The link that you want to return. Remember that arrays begin with 0, not 1 + * @param string $rel The relationship of the link to return + * @return string|null Link URL + */ + public function get_link($key = 0, $rel = 'alternate') + { + $links = $this->get_links($rel); + if ($links[$key] !== null) + { + return $links[$key]; + } + + return null; + } + + /** + * Get all links for the item + * + * Uses `<atom:link>`, `<link>` or `<guid>` + * + * @since Beta 2 + * @param string $rel The relationship of links to return + * @return array|null Links found for the item (strings) + */ + public function get_links($rel = 'alternate') + { + if (!isset($this->data['links'])) + { + $this->data['links'] = array(); + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link) + { + if (isset($link['attribs']['']['href'])) + { + $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; + $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + + } + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link) + { + if (isset($link['attribs']['']['href'])) + { + $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; + $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + } + } + if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid')) + { + if (!isset($links[0]['attribs']['']['isPermaLink']) || strtolower(trim($links[0]['attribs']['']['isPermaLink'])) === 'true') + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + } + + $keys = array_keys($this->data['links']); + foreach ($keys as $key) + { + if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key))) + { + if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key])) + { + $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]); + $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]; + } + else + { + $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key]; + } + } + elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY) + { + $this->data['links'][substr($key, 41)] =& $this->data['links'][$key]; + } + $this->data['links'][$key] = array_unique($this->data['links'][$key]); + } + } + if (isset($this->data['links'][$rel])) + { + return $this->data['links'][$rel]; + } + + return null; + } + + /** + * Get an enclosure from the item + * + * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS. + * + * @since Beta 2 + * @todo Add ability to prefer one type of content over another (in a media group). + * @param int $key The enclosure that you want to return. Remember that arrays begin with 0, not 1 + * @return SimplePie_Enclosure|null + */ + public function get_enclosure($key = 0, $prefer = null) + { + $enclosures = $this->get_enclosures(); + if (isset($enclosures[$key])) + { + return $enclosures[$key]; + } + + return null; + } + + /** + * Get all available enclosures (podcasts, etc.) + * + * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS. + * + * At this point, we're pretty much assuming that all enclosures for an item + * are the same content. Anything else is too complicated to + * properly support. + * + * @since Beta 2 + * @todo Add support for end-user defined sorting of enclosures by type/handler (so we can prefer the faster-loading FLV over MP4). + * @todo If an element exists at a level, but its value is empty, we should fall back to the value from the parent (if it exists). + * @return SimplePie_Enclosure[]|null List of SimplePie_Enclosure items + */ + public function get_enclosures() + { + if (!isset($this->data['enclosures'])) + { + $this->data['enclosures'] = array(); + + // Elements + $captions_parent = null; + $categories_parent = null; + $copyrights_parent = null; + $credits_parent = null; + $description_parent = null; + $duration_parent = null; + $hashes_parent = null; + $keywords_parent = null; + $player_parent = null; + $ratings_parent = null; + $restrictions_parent = null; + $thumbnails_parent = null; + $title_parent = null; + + // Let's do the channel and item-level ones first, and just re-use them if we need to. + $parent = $this->get_feed(); + + // CAPTIONS + if ($captions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text')) + { + foreach ($captions as $caption) + { + $caption_type = null; + $caption_lang = null; + $caption_startTime = null; + $caption_endTime = null; + $caption_text = null; + if (isset($caption['attribs']['']['type'])) + { + $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['lang'])) + { + $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['start'])) + { + $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['end'])) + { + $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['data'])) + { + $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $captions_parent[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text)); + } + } + elseif ($captions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text')) + { + foreach ($captions as $caption) + { + $caption_type = null; + $caption_lang = null; + $caption_startTime = null; + $caption_endTime = null; + $caption_text = null; + if (isset($caption['attribs']['']['type'])) + { + $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['lang'])) + { + $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['start'])) + { + $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['end'])) + { + $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['data'])) + { + $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $captions_parent[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text)); + } + } + if (is_array($captions_parent)) + { + $captions_parent = array_values(array_unique($captions_parent)); + } + + // CATEGORIES + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['data'])) + { + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = 'http://search.yahoo.com/mrss/category_schema'; + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label)); + } + foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['data'])) + { + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = 'http://search.yahoo.com/mrss/category_schema'; + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label)); + } + foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'category') as $category) + { + $term = null; + $scheme = 'http://www.itunes.com/dtds/podcast-1.0.dtd'; + $label = null; + if (isset($category['attribs']['']['text'])) + { + $label = $this->sanitize($category['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label)); + + if (isset($category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'])) + { + foreach ((array) $category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'] as $subcategory) + { + if (isset($subcategory['attribs']['']['text'])) + { + $label = $this->sanitize($subcategory['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label)); + } + } + } + if (is_array($categories_parent)) + { + $categories_parent = array_values(array_unique($categories_parent)); + } + + // COPYRIGHT + if ($copyright = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright')) + { + $copyright_url = null; + $copyright_label = null; + if (isset($copyright[0]['attribs']['']['url'])) + { + $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($copyright[0]['data'])) + { + $copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $copyrights_parent = $this->registry->create('Copyright', array($copyright_url, $copyright_label)); + } + elseif ($copyright = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright')) + { + $copyright_url = null; + $copyright_label = null; + if (isset($copyright[0]['attribs']['']['url'])) + { + $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($copyright[0]['data'])) + { + $copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $copyrights_parent = $this->registry->create('Copyright', array($copyright_url, $copyright_label)); + } + + // CREDITS + if ($credits = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit')) + { + foreach ($credits as $credit) + { + $credit_role = null; + $credit_scheme = null; + $credit_name = null; + if (isset($credit['attribs']['']['role'])) + { + $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($credit['attribs']['']['scheme'])) + { + $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $credit_scheme = 'urn:ebu'; + } + if (isset($credit['data'])) + { + $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $credits_parent[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name)); + } + } + elseif ($credits = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit')) + { + foreach ($credits as $credit) + { + $credit_role = null; + $credit_scheme = null; + $credit_name = null; + if (isset($credit['attribs']['']['role'])) + { + $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($credit['attribs']['']['scheme'])) + { + $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $credit_scheme = 'urn:ebu'; + } + if (isset($credit['data'])) + { + $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $credits_parent[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name)); + } + } + if (is_array($credits_parent)) + { + $credits_parent = array_values(array_unique($credits_parent)); + } + + // DESCRIPTION + if ($description_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description')) + { + if (isset($description_parent[0]['data'])) + { + $description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + } + elseif ($description_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description')) + { + if (isset($description_parent[0]['data'])) + { + $description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + } + + // DURATION + if ($duration_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'duration')) + { + $seconds = null; + $minutes = null; + $hours = null; + if (isset($duration_parent[0]['data'])) + { + $temp = explode(':', $this->sanitize($duration_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + if (sizeof($temp) > 0) + { + $seconds = (int) array_pop($temp); + } + if (sizeof($temp) > 0) + { + $minutes = (int) array_pop($temp); + $seconds += $minutes * 60; + } + if (sizeof($temp) > 0) + { + $hours = (int) array_pop($temp); + $seconds += $hours * 3600; + } + unset($temp); + $duration_parent = $seconds; + } + } + + // HASHES + if ($hashes_iterator = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash')) + { + foreach ($hashes_iterator as $hash) + { + $value = null; + $algo = null; + if (isset($hash['data'])) + { + $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($hash['attribs']['']['algo'])) + { + $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $algo = 'md5'; + } + $hashes_parent[] = $algo.':'.$value; + } + } + elseif ($hashes_iterator = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash')) + { + foreach ($hashes_iterator as $hash) + { + $value = null; + $algo = null; + if (isset($hash['data'])) + { + $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($hash['attribs']['']['algo'])) + { + $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $algo = 'md5'; + } + $hashes_parent[] = $algo.':'.$value; + } + } + if (is_array($hashes_parent)) + { + $hashes_parent = array_values(array_unique($hashes_parent)); + } + + // KEYWORDS + if ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords')) + { + if (isset($keywords[0]['data'])) + { + $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords_parent[] = trim($word); + } + } + unset($temp); + } + elseif ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords')) + { + if (isset($keywords[0]['data'])) + { + $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords_parent[] = trim($word); + } + } + unset($temp); + } + elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords')) + { + if (isset($keywords[0]['data'])) + { + $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords_parent[] = trim($word); + } + } + unset($temp); + } + elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords')) + { + if (isset($keywords[0]['data'])) + { + $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords_parent[] = trim($word); + } + } + unset($temp); + } + if (is_array($keywords_parent)) + { + $keywords_parent = array_values(array_unique($keywords_parent)); + } + + // PLAYER + if ($player_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player')) + { + if (isset($player_parent[0]['attribs']['']['url'])) + { + $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + } + elseif ($player_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player')) + { + if (isset($player_parent[0]['attribs']['']['url'])) + { + $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + } + + // RATINGS + if ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating')) + { + foreach ($ratings as $rating) + { + $rating_scheme = null; + $rating_value = null; + if (isset($rating['attribs']['']['scheme'])) + { + $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $rating_scheme = 'urn:simple'; + } + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); + } + } + elseif ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit')) + { + foreach ($ratings as $rating) + { + $rating_scheme = 'urn:itunes'; + $rating_value = null; + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); + } + } + elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating')) + { + foreach ($ratings as $rating) + { + $rating_scheme = null; + $rating_value = null; + if (isset($rating['attribs']['']['scheme'])) + { + $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $rating_scheme = 'urn:simple'; + } + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); + } + } + elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit')) + { + foreach ($ratings as $rating) + { + $rating_scheme = 'urn:itunes'; + $rating_value = null; + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); + } + } + if (is_array($ratings_parent)) + { + $ratings_parent = array_values(array_unique($ratings_parent)); + } + + // RESTRICTIONS + if ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction')) + { + foreach ($restrictions as $restriction) + { + $restriction_relationship = null; + $restriction_type = null; + $restriction_value = null; + if (isset($restriction['attribs']['']['relationship'])) + { + $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['attribs']['']['type'])) + { + $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['data'])) + { + $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); + } + } + elseif ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block')) + { + foreach ($restrictions as $restriction) + { + $restriction_relationship = 'allow'; + $restriction_type = null; + $restriction_value = 'itunes'; + if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes') + { + $restriction_relationship = 'deny'; + } + $restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); + } + } + elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction')) + { + foreach ($restrictions as $restriction) + { + $restriction_relationship = null; + $restriction_type = null; + $restriction_value = null; + if (isset($restriction['attribs']['']['relationship'])) + { + $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['attribs']['']['type'])) + { + $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['data'])) + { + $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); + } + } + elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block')) + { + foreach ($restrictions as $restriction) + { + $restriction_relationship = 'allow'; + $restriction_type = null; + $restriction_value = 'itunes'; + if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes') + { + $restriction_relationship = 'deny'; + } + $restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); + } + } + if (is_array($restrictions_parent)) + { + $restrictions_parent = array_values(array_unique($restrictions_parent)); + } + else + { + $restrictions_parent = array(new SimplePie_Restriction('allow', null, 'default')); + } + + // THUMBNAILS + if ($thumbnails = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail')) + { + foreach ($thumbnails as $thumbnail) + { + if (isset($thumbnail['attribs']['']['url'])) + { + $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + } + } + elseif ($thumbnails = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail')) + { + foreach ($thumbnails as $thumbnail) + { + if (isset($thumbnail['attribs']['']['url'])) + { + $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + } + } + + // TITLES + if ($title_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title')) + { + if (isset($title_parent[0]['data'])) + { + $title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + } + elseif ($title_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title')) + { + if (isset($title_parent[0]['data'])) + { + $title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + } + + // Clear the memory + unset($parent); + + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + // Elements + $captions = null; + $categories = null; + $copyrights = null; + $credits = null; + $description = null; + $hashes = null; + $keywords = null; + $player = null; + $ratings = null; + $restrictions = null; + $thumbnails = null; + $title = null; + + // If we have media:group tags, loop through them. + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'group') as $group) + { + if(isset($group['child']) && isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'])) + { + // If we have media:content tags, loop through them. + foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content) + { + if (isset($content['attribs']['']['url'])) + { + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + // Elements + $captions = null; + $categories = null; + $copyrights = null; + $credits = null; + $description = null; + $hashes = null; + $keywords = null; + $player = null; + $ratings = null; + $restrictions = null; + $thumbnails = null; + $title = null; + + // Start checking the attributes of media:content + if (isset($content['attribs']['']['bitrate'])) + { + $bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['channels'])) + { + $channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['duration'])) + { + $duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $duration = $duration_parent; + } + if (isset($content['attribs']['']['expression'])) + { + $expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['framerate'])) + { + $framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['height'])) + { + $height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['lang'])) + { + $lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['fileSize'])) + { + $length = ceil($content['attribs']['']['fileSize']); + } + if (isset($content['attribs']['']['medium'])) + { + $medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['samplingrate'])) + { + $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['type'])) + { + $type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['width'])) + { + $width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + + // Checking the other optional media: elements. Priority: media:content, media:group, item, channel + + // CAPTIONS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption) + { + $caption_type = null; + $caption_lang = null; + $caption_startTime = null; + $caption_endTime = null; + $caption_text = null; + if (isset($caption['attribs']['']['type'])) + { + $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['lang'])) + { + $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['start'])) + { + $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['end'])) + { + $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['data'])) + { + $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text)); + } + if (is_array($captions)) + { + $captions = array_values(array_unique($captions)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption) + { + $caption_type = null; + $caption_lang = null; + $caption_startTime = null; + $caption_endTime = null; + $caption_text = null; + if (isset($caption['attribs']['']['type'])) + { + $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['lang'])) + { + $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['start'])) + { + $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['end'])) + { + $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['data'])) + { + $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text)); + } + if (is_array($captions)) + { + $captions = array_values(array_unique($captions)); + } + } + else + { + $captions = $captions_parent; + } + + // CATEGORIES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'])) + { + foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['data'])) + { + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = 'http://search.yahoo.com/mrss/category_schema'; + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = $this->registry->create('Category', array($term, $scheme, $label)); + } + } + if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'])) + { + foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['data'])) + { + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = 'http://search.yahoo.com/mrss/category_schema'; + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = $this->registry->create('Category', array($term, $scheme, $label)); + } + } + if (is_array($categories) && is_array($categories_parent)) + { + $categories = array_values(array_unique(array_merge($categories, $categories_parent))); + } + elseif (is_array($categories)) + { + $categories = array_values(array_unique($categories)); + } + elseif (is_array($categories_parent)) + { + $categories = array_values(array_unique($categories_parent)); + } + + // COPYRIGHTS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'])) + { + $copyright_url = null; + $copyright_label = null; + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) + { + $copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'])) + { + $copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label)); + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'])) + { + $copyright_url = null; + $copyright_label = null; + if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) + { + $copyright_url = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'])) + { + $copyright_label = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label)); + } + else + { + $copyrights = $copyrights_parent; + } + + // CREDITS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit) + { + $credit_role = null; + $credit_scheme = null; + $credit_name = null; + if (isset($credit['attribs']['']['role'])) + { + $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($credit['attribs']['']['scheme'])) + { + $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $credit_scheme = 'urn:ebu'; + } + if (isset($credit['data'])) + { + $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name)); + } + if (is_array($credits)) + { + $credits = array_values(array_unique($credits)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit) + { + $credit_role = null; + $credit_scheme = null; + $credit_name = null; + if (isset($credit['attribs']['']['role'])) + { + $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($credit['attribs']['']['scheme'])) + { + $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $credit_scheme = 'urn:ebu'; + } + if (isset($credit['data'])) + { + $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name)); + } + if (is_array($credits)) + { + $credits = array_values(array_unique($credits)); + } + } + else + { + $credits = $credits_parent; + } + + // DESCRIPTION + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'])) + { + $description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'])) + { + $description = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $description = $description_parent; + } + + // HASHES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash) + { + $value = null; + $algo = null; + if (isset($hash['data'])) + { + $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($hash['attribs']['']['algo'])) + { + $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $algo = 'md5'; + } + $hashes[] = $algo.':'.$value; + } + if (is_array($hashes)) + { + $hashes = array_values(array_unique($hashes)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash) + { + $value = null; + $algo = null; + if (isset($hash['data'])) + { + $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($hash['attribs']['']['algo'])) + { + $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $algo = 'md5'; + } + $hashes[] = $algo.':'.$value; + } + if (is_array($hashes)) + { + $hashes = array_values(array_unique($hashes)); + } + } + else + { + $hashes = $hashes_parent; + } + + // KEYWORDS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'])) + { + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'])) + { + $temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords[] = trim($word); + } + unset($temp); + } + if (is_array($keywords)) + { + $keywords = array_values(array_unique($keywords)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'])) + { + if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'])) + { + $temp = explode(',', $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords[] = trim($word); + } + unset($temp); + } + if (is_array($keywords)) + { + $keywords = array_values(array_unique($keywords)); + } + } + else + { + $keywords = $keywords_parent; + } + + // PLAYER + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) + { + $player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) + { + $player = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + else + { + $player = $player_parent; + } + + // RATINGS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating) + { + $rating_scheme = null; + $rating_value = null; + if (isset($rating['attribs']['']['scheme'])) + { + $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $rating_scheme = 'urn:simple'; + } + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); + } + if (is_array($ratings)) + { + $ratings = array_values(array_unique($ratings)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating) + { + $rating_scheme = null; + $rating_value = null; + if (isset($rating['attribs']['']['scheme'])) + { + $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $rating_scheme = 'urn:simple'; + } + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); + } + if (is_array($ratings)) + { + $ratings = array_values(array_unique($ratings)); + } + } + else + { + $ratings = $ratings_parent; + } + + // RESTRICTIONS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction) + { + $restriction_relationship = null; + $restriction_type = null; + $restriction_value = null; + if (isset($restriction['attribs']['']['relationship'])) + { + $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['attribs']['']['type'])) + { + $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['data'])) + { + $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); + } + if (is_array($restrictions)) + { + $restrictions = array_values(array_unique($restrictions)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction) + { + $restriction_relationship = null; + $restriction_type = null; + $restriction_value = null; + if (isset($restriction['attribs']['']['relationship'])) + { + $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['attribs']['']['type'])) + { + $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['data'])) + { + $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); + } + if (is_array($restrictions)) + { + $restrictions = array_values(array_unique($restrictions)); + } + } + else + { + $restrictions = $restrictions_parent; + } + + // THUMBNAILS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) + { + $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + if (is_array($thumbnails)) + { + $thumbnails = array_values(array_unique($thumbnails)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) + { + $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + if (is_array($thumbnails)) + { + $thumbnails = array_values(array_unique($thumbnails)); + } + } + else + { + $thumbnails = $thumbnails_parent; + } + + // TITLES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'])) + { + $title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'])) + { + $title = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $title = $title_parent; + } + + $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width)); + } + } + } + } + + // If we have standalone media:content tags, loop through them. + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'])) + { + foreach ((array) $this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content) + { + if (isset($content['attribs']['']['url']) || isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) + { + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + // Elements + $captions = null; + $categories = null; + $copyrights = null; + $credits = null; + $description = null; + $hashes = null; + $keywords = null; + $player = null; + $ratings = null; + $restrictions = null; + $thumbnails = null; + $title = null; + + // Start checking the attributes of media:content + if (isset($content['attribs']['']['bitrate'])) + { + $bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['channels'])) + { + $channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['duration'])) + { + $duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $duration = $duration_parent; + } + if (isset($content['attribs']['']['expression'])) + { + $expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['framerate'])) + { + $framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['height'])) + { + $height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['lang'])) + { + $lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['fileSize'])) + { + $length = ceil($content['attribs']['']['fileSize']); + } + if (isset($content['attribs']['']['medium'])) + { + $medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['samplingrate'])) + { + $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['type'])) + { + $type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['width'])) + { + $width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['url'])) + { + $url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + // Checking the other optional media: elements. Priority: media:content, media:group, item, channel + + // CAPTIONS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption) + { + $caption_type = null; + $caption_lang = null; + $caption_startTime = null; + $caption_endTime = null; + $caption_text = null; + if (isset($caption['attribs']['']['type'])) + { + $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['lang'])) + { + $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['start'])) + { + $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['end'])) + { + $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['data'])) + { + $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text)); + } + if (is_array($captions)) + { + $captions = array_values(array_unique($captions)); + } + } + else + { + $captions = $captions_parent; + } + + // CATEGORIES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'])) + { + foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['data'])) + { + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = 'http://search.yahoo.com/mrss/category_schema'; + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = $this->registry->create('Category', array($term, $scheme, $label)); + } + } + if (is_array($categories) && is_array($categories_parent)) + { + $categories = array_values(array_unique(array_merge($categories, $categories_parent))); + } + elseif (is_array($categories)) + { + $categories = array_values(array_unique($categories)); + } + elseif (is_array($categories_parent)) + { + $categories = array_values(array_unique($categories_parent)); + } + else + { + $categories = null; + } + + // COPYRIGHTS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'])) + { + $copyright_url = null; + $copyright_label = null; + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) + { + $copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'])) + { + $copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label)); + } + else + { + $copyrights = $copyrights_parent; + } + + // CREDITS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit) + { + $credit_role = null; + $credit_scheme = null; + $credit_name = null; + if (isset($credit['attribs']['']['role'])) + { + $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($credit['attribs']['']['scheme'])) + { + $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $credit_scheme = 'urn:ebu'; + } + if (isset($credit['data'])) + { + $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name)); + } + if (is_array($credits)) + { + $credits = array_values(array_unique($credits)); + } + } + else + { + $credits = $credits_parent; + } + + // DESCRIPTION + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'])) + { + $description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $description = $description_parent; + } + + // HASHES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash) + { + $value = null; + $algo = null; + if (isset($hash['data'])) + { + $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($hash['attribs']['']['algo'])) + { + $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $algo = 'md5'; + } + $hashes[] = $algo.':'.$value; + } + if (is_array($hashes)) + { + $hashes = array_values(array_unique($hashes)); + } + } + else + { + $hashes = $hashes_parent; + } + + // KEYWORDS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'])) + { + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'])) + { + $temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords[] = trim($word); + } + unset($temp); + } + if (is_array($keywords)) + { + $keywords = array_values(array_unique($keywords)); + } + } + else + { + $keywords = $keywords_parent; + } + + // PLAYER + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) + { + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'])) { + $player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + } + else + { + $player = $player_parent; + } + + // RATINGS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating) + { + $rating_scheme = null; + $rating_value = null; + if (isset($rating['attribs']['']['scheme'])) + { + $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $rating_scheme = 'urn:simple'; + } + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); + } + if (is_array($ratings)) + { + $ratings = array_values(array_unique($ratings)); + } + } + else + { + $ratings = $ratings_parent; + } + + // RESTRICTIONS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction) + { + $restriction_relationship = null; + $restriction_type = null; + $restriction_value = null; + if (isset($restriction['attribs']['']['relationship'])) + { + $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['attribs']['']['type'])) + { + $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['data'])) + { + $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); + } + if (is_array($restrictions)) + { + $restrictions = array_values(array_unique($restrictions)); + } + } + else + { + $restrictions = $restrictions_parent; + } + + // THUMBNAILS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) + { + if (isset($thumbnail['attribs']['']['url'])) { + $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + } + if (is_array($thumbnails)) + { + $thumbnails = array_values(array_unique($thumbnails)); + } + } + else + { + $thumbnails = $thumbnails_parent; + } + + // TITLES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'])) + { + $title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $title = $title_parent; + } + + $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width)); + } + } + } + + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link) + { + if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure') + { + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + $url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + if (isset($link['attribs']['']['type'])) + { + $type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($link['attribs']['']['length'])) + { + $length = ceil($link['attribs']['']['length']); + } + if (isset($link['attribs']['']['title'])) + { + $title = $this->sanitize($link['attribs']['']['title'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $title = $title_parent; + } + + // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor + $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title, $width)); + } + } + + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link) + { + if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure') + { + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + $url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + if (isset($link['attribs']['']['type'])) + { + $type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($link['attribs']['']['length'])) + { + $length = ceil($link['attribs']['']['length']); + } + + // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor + $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width)); + } + } + + if ($enclosure = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'enclosure')) + { + if (isset($enclosure[0]['attribs']['']['url'])) + { + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + $url = $this->sanitize($enclosure[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($enclosure[0])); + if (isset($enclosure[0]['attribs']['']['type'])) + { + $type = $this->sanitize($enclosure[0]['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($enclosure[0]['attribs']['']['length'])) + { + $length = ceil($enclosure[0]['attribs']['']['length']); + } + + // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor + $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width)); + } + } + + if (sizeof($this->data['enclosures']) === 0 && ($url || $type || $length || $bitrate || $captions_parent || $categories_parent || $channels || $copyrights_parent || $credits_parent || $description_parent || $duration_parent || $expression || $framerate || $hashes_parent || $height || $keywords_parent || $lang || $medium || $player_parent || $ratings_parent || $restrictions_parent || $samplingrate || $thumbnails_parent || $title_parent || $width)) + { + // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor + $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width)); + } + + $this->data['enclosures'] = array_values(array_unique($this->data['enclosures'])); + } + if (!empty($this->data['enclosures'])) + { + return $this->data['enclosures']; + } + + return null; + } + + /** + * Get the latitude coordinates for the item + * + * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications + * + * Uses `<geo:lat>` or `<georss:point>` + * + * @since 1.0 + * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo + * @link http://www.georss.org/ GeoRSS + * @return string|null + */ + public function get_latitude() + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat')) + { + return (float) $return[0]['data']; + } + elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) + { + return (float) $match[1]; + } + + return null; + } + + /** + * Get the longitude coordinates for the item + * + * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications + * + * Uses `<geo:long>`, `<geo:lon>` or `<georss:point>` + * + * @since 1.0 + * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo + * @link http://www.georss.org/ GeoRSS + * @return string|null + */ + public function get_longitude() + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long')) + { + return (float) $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon')) + { + return (float) $return[0]['data']; + } + elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) + { + return (float) $match[2]; + } + + return null; + } + + /** + * Get the `<atom:source>` for the item + * + * @since 1.1 + * @return SimplePie_Source|null + */ + public function get_source() + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'source')) + { + return $this->registry->create('Source', array($this, $return[0])); + } + + return null; + } +} diff --git a/lib/simplepie/library/SimplePie/Locator.php b/lib/simplepie/library/SimplePie/Locator.php new file mode 100644 index 000000000..3876a2da6 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Locator.php @@ -0,0 +1,424 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Used for feed auto-discovery + * + * + * This class can be overloaded with {@see SimplePie::set_locator_class()} + * + * @package SimplePie + */ +class SimplePie_Locator +{ + var $useragent; + var $timeout; + var $file; + var $local = array(); + var $elsewhere = array(); + var $cached_entities = array(); + var $http_base; + var $base; + var $base_location = 0; + var $checked_feeds = 0; + var $max_checked_feeds = 10; + var $force_fsockopen = false; + var $curl_options = array(); + protected $registry; + + public function __construct(SimplePie_File $file, $timeout = 10, $useragent = null, $max_checked_feeds = 10, $force_fsockopen = false, $curl_options = array()) + { + $this->file = $file; + $this->useragent = $useragent; + $this->timeout = $timeout; + $this->max_checked_feeds = $max_checked_feeds; + $this->force_fsockopen = $force_fsockopen; + $this->curl_options = $curl_options; + + if (class_exists('DOMDocument')) + { + $this->dom = new DOMDocument(); + + set_error_handler(array('SimplePie_Misc', 'silence_errors')); + $this->dom->loadHTML($this->file->body); + restore_error_handler(); + } + else + { + $this->dom = null; + } + } + + public function set_registry(SimplePie_Registry $registry) + { + $this->registry = $registry; + } + + public function find($type = SIMPLEPIE_LOCATOR_ALL, &$working) + { + if ($this->is_feed($this->file)) + { + return $this->file; + } + + if ($this->file->method & SIMPLEPIE_FILE_SOURCE_REMOTE) + { + $sniffer = $this->registry->create('Content_Type_Sniffer', array($this->file)); + if ($sniffer->get_type() !== 'text/html') + { + return null; + } + } + + if ($type & ~SIMPLEPIE_LOCATOR_NONE) + { + $this->get_base(); + } + + if ($type & SIMPLEPIE_LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery()) + { + return $working[0]; + } + + if ($type & (SIMPLEPIE_LOCATOR_LOCAL_EXTENSION | SIMPLEPIE_LOCATOR_LOCAL_BODY | SIMPLEPIE_LOCATOR_REMOTE_EXTENSION | SIMPLEPIE_LOCATOR_REMOTE_BODY) && $this->get_links()) + { + if ($type & SIMPLEPIE_LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local)) + { + return $working[0]; + } + + if ($type & SIMPLEPIE_LOCATOR_LOCAL_BODY && $working = $this->body($this->local)) + { + return $working[0]; + } + + if ($type & SIMPLEPIE_LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere)) + { + return $working[0]; + } + + if ($type & SIMPLEPIE_LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere)) + { + return $working[0]; + } + } + return null; + } + + public function is_feed($file, $check_html = false) + { + if ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE) + { + $sniffer = $this->registry->create('Content_Type_Sniffer', array($file)); + $sniffed = $sniffer->get_type(); + $mime_types = array('application/rss+xml', 'application/rdf+xml', + 'text/rdf', 'application/atom+xml', 'text/xml', + 'application/xml', 'application/x-rss+xml'); + if ($check_html) + { + $mime_types[] = 'text/html'; + } + + return in_array($sniffed, $mime_types); + } + elseif ($file->method & SIMPLEPIE_FILE_SOURCE_LOCAL) + { + return true; + } + else + { + return false; + } + } + + public function get_base() + { + if ($this->dom === null) + { + throw new SimplePie_Exception('DOMDocument not found, unable to use locator'); + } + $this->http_base = $this->file->url; + $this->base = $this->http_base; + $elements = $this->dom->getElementsByTagName('base'); + foreach ($elements as $element) + { + if ($element->hasAttribute('href')) + { + $base = $this->registry->call('Misc', 'absolutize_url', array(trim($element->getAttribute('href')), $this->http_base)); + if ($base === false) + { + continue; + } + $this->base = $base; + $this->base_location = method_exists($element, 'getLineNo') ? $element->getLineNo() : 0; + break; + } + } + } + + public function autodiscovery() + { + $done = array(); + $feeds = array(); + $feeds = array_merge($feeds, $this->search_elements_by_tag('link', $done, $feeds)); + $feeds = array_merge($feeds, $this->search_elements_by_tag('a', $done, $feeds)); + $feeds = array_merge($feeds, $this->search_elements_by_tag('area', $done, $feeds)); + + if (!empty($feeds)) + { + return array_values($feeds); + } + + return null; + } + + protected function search_elements_by_tag($name, &$done, $feeds) + { + if ($this->dom === null) + { + throw new SimplePie_Exception('DOMDocument not found, unable to use locator'); + } + + $links = $this->dom->getElementsByTagName($name); + foreach ($links as $link) + { + if ($this->checked_feeds === $this->max_checked_feeds) + { + break; + } + if ($link->hasAttribute('href') && $link->hasAttribute('rel')) + { + $rel = array_unique($this->registry->call('Misc', 'space_separated_tokens', array(strtolower($link->getAttribute('rel'))))); + $line = method_exists($link, 'getLineNo') ? $link->getLineNo() : 1; + + if ($this->base_location < $line) + { + $href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->base)); + } + else + { + $href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->http_base)); + } + if ($href === false) + { + continue; + } + + if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !in_array('stylesheet', $rel) && $link->hasAttribute('type') && in_array(strtolower($this->registry->call('Misc', 'parse_mime', array($link->getAttribute('type')))), array('text/html', 'application/rss+xml', 'application/atom+xml'))) && !isset($feeds[$href])) + { + $this->checked_feeds++; + $headers = array( + 'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1', + ); + $feed = $this->registry->create('File', array($href, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options)); + if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed, true)) + { + $feeds[$href] = $feed; + } + } + $done[] = $href; + } + } + + return $feeds; + } + + public function get_links() + { + if ($this->dom === null) + { + throw new SimplePie_Exception('DOMDocument not found, unable to use locator'); + } + + $links = $this->dom->getElementsByTagName('a'); + foreach ($links as $link) + { + if ($link->hasAttribute('href')) + { + $href = trim($link->getAttribute('href')); + $parsed = $this->registry->call('Misc', 'parse_url', array($href)); + if ($parsed['scheme'] === '' || preg_match('/^(https?|feed)?$/i', $parsed['scheme'])) + { + if (method_exists($link, 'getLineNo') && $this->base_location < $link->getLineNo()) + { + $href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->base)); + } + else + { + $href = $this->registry->call('Misc', 'absolutize_url', array(trim($link->getAttribute('href')), $this->http_base)); + } + if ($href === false) + { + continue; + } + + $current = $this->registry->call('Misc', 'parse_url', array($this->file->url)); + + if ($parsed['authority'] === '' || $parsed['authority'] === $current['authority']) + { + $this->local[] = $href; + } + else + { + $this->elsewhere[] = $href; + } + } + } + } + $this->local = array_unique($this->local); + $this->elsewhere = array_unique($this->elsewhere); + if (!empty($this->local) || !empty($this->elsewhere)) + { + return true; + } + return null; + } + + public function get_rel_link($rel) + { + if ($this->dom === null) + { + throw new SimplePie_Exception('DOMDocument not found, unable to use '. + 'locator'); + } + if (!class_exists('DOMXpath')) + { + throw new SimplePie_Exception('DOMXpath not found, unable to use '. + 'get_rel_link'); + } + + $xpath = new DOMXpath($this->dom); + $query = '//a[@rel and @href] | //link[@rel and @href]'; + foreach ($xpath->query($query) as $link) + { + $href = trim($link->getAttribute('href')); + $parsed = $this->registry->call('Misc', 'parse_url', array($href)); + if ($parsed['scheme'] === '' || + preg_match('/^https?$/i', $parsed['scheme'])) + { + if (method_exists($link, 'getLineNo') && + $this->base_location < $link->getLineNo()) + { + $href = + $this->registry->call('Misc', 'absolutize_url', + array(trim($link->getAttribute('href')), + $this->base)); + } + else + { + $href = + $this->registry->call('Misc', 'absolutize_url', + array(trim($link->getAttribute('href')), + $this->http_base)); + } + if ($href === false) + { + return null; + } + $rel_values = explode(' ', strtolower($link->getAttribute('rel'))); + if (in_array($rel, $rel_values)) + { + return $href; + } + } + } + return null; + } + + public function extension(&$array) + { + foreach ($array as $key => $value) + { + if ($this->checked_feeds === $this->max_checked_feeds) + { + break; + } + if (in_array(strtolower(strrchr($value, '.')), array('.rss', '.rdf', '.atom', '.xml'))) + { + $this->checked_feeds++; + + $headers = array( + 'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1', + ); + $feed = $this->registry->create('File', array($value, $this->timeout, 5, $headers, $this->useragent, $this->force_fsockopen, $this->curl_options)); + if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed)) + { + return array($feed); + } + else + { + unset($array[$key]); + } + } + } + return null; + } + + public function body(&$array) + { + foreach ($array as $key => $value) + { + if ($this->checked_feeds === $this->max_checked_feeds) + { + break; + } + if (preg_match('/(rss|rdf|atom|xml)/i', $value)) + { + $this->checked_feeds++; + $headers = array( + 'Accept' => 'application/atom+xml, application/rss+xml, application/rdf+xml;q=0.9, application/xml;q=0.8, text/xml;q=0.8, text/html;q=0.7, unknown/unknown;q=0.1, application/unknown;q=0.1, */*;q=0.1', + ); + $feed = $this->registry->create('File', array($value, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen, $this->curl_options)); + if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed)) + { + return array($feed); + } + else + { + unset($array[$key]); + } + } + } + return null; + } +} diff --git a/lib/simplepie/library/SimplePie/Misc.php b/lib/simplepie/library/SimplePie/Misc.php new file mode 100644 index 000000000..2a2ecc575 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Misc.php @@ -0,0 +1,2262 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Miscellanous utilities + * + * @package SimplePie + */ +class SimplePie_Misc +{ + public static function time_hms($seconds) + { + $time = ''; + + $hours = floor($seconds / 3600); + $remainder = $seconds % 3600; + if ($hours > 0) + { + $time .= $hours.':'; + } + + $minutes = floor($remainder / 60); + $seconds = $remainder % 60; + if ($minutes < 10 && $hours > 0) + { + $minutes = '0' . $minutes; + } + if ($seconds < 10) + { + $seconds = '0' . $seconds; + } + + $time .= $minutes.':'; + $time .= $seconds; + + return $time; + } + + public static function absolutize_url($relative, $base) + { + $iri = SimplePie_IRI::absolutize(new SimplePie_IRI($base), $relative); + if ($iri === false) + { + return false; + } + return $iri->get_uri(); + } + + /** + * Get a HTML/XML element from a HTML string + * + * @deprecated Use DOMDocument instead (parsing HTML with regex is bad!) + * @param string $realname Element name (including namespace prefix if applicable) + * @param string $string HTML document + * @return array + */ + public static function get_element($realname, $string) + { + $return = array(); + $name = preg_quote($realname, '/'); + if (preg_match_all("/<($name)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) + { + for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++) + { + $return[$i]['tag'] = $realname; + $return[$i]['full'] = $matches[$i][0][0]; + $return[$i]['offset'] = $matches[$i][0][1]; + if (strlen($matches[$i][3][0]) <= 2) + { + $return[$i]['self_closing'] = true; + } + else + { + $return[$i]['self_closing'] = false; + $return[$i]['content'] = $matches[$i][4][0]; + } + $return[$i]['attribs'] = array(); + if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER)) + { + for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++) + { + if (count($attribs[$j]) === 2) + { + $attribs[$j][2] = $attribs[$j][1]; + } + $return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j])); + } + } + } + } + return $return; + } + + public static function element_implode($element) + { + $full = "<$element[tag]"; + foreach ($element['attribs'] as $key => $value) + { + $key = strtolower($key); + $full .= " $key=\"" . htmlspecialchars($value['data'], ENT_COMPAT, 'UTF-8') . '"'; + } + if ($element['self_closing']) + { + $full .= ' />'; + } + else + { + $full .= ">$element[content]</$element[tag]>"; + } + return $full; + } + + public static function error($message, $level, $file, $line) + { + if ((ini_get('error_reporting') & $level) > 0) + { + switch ($level) + { + case E_USER_ERROR: + $note = 'PHP Error'; + break; + case E_USER_WARNING: + $note = 'PHP Warning'; + break; + case E_USER_NOTICE: + $note = 'PHP Notice'; + break; + default: + $note = 'Unknown Error'; + break; + } + + $log_error = true; + if (!function_exists('error_log')) + { + $log_error = false; + } + + $log_file = @ini_get('error_log'); + if (!empty($log_file) && ('syslog' !== $log_file) && !@is_writable($log_file)) + { + $log_error = false; + } + + if ($log_error) + { + @error_log("$note: $message in $file on line $line", 0); + } + } + + return $message; + } + + public static function fix_protocol($url, $http = 1) + { + $url = SimplePie_Misc::normalize_url($url); + $parsed = SimplePie_Misc::parse_url($url); + if ($parsed['scheme'] !== '' && $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https') + { + return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http); + } + + if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url)) + { + return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http); + } + + if ($http === 2 && $parsed['scheme'] !== '') + { + return "feed:$url"; + } + elseif ($http === 3 && strtolower($parsed['scheme']) === 'http') + { + return substr_replace($url, 'podcast', 0, 4); + } + elseif ($http === 4 && strtolower($parsed['scheme']) === 'http') + { + return substr_replace($url, 'itpc', 0, 4); + } + + return $url; + } + + public static function array_merge_recursive($array1, $array2) + { + foreach ($array2 as $key => $value) + { + if (is_array($value)) + { + $array1[$key] = SimplePie_Misc::array_merge_recursive($array1[$key], $value); + } + else + { + $array1[$key] = $value; + } + } + + return $array1; + } + + public static function parse_url($url) + { + $iri = new SimplePie_IRI($url); + return array( + 'scheme' => (string) $iri->scheme, + 'authority' => (string) $iri->authority, + 'path' => (string) $iri->path, + 'query' => (string) $iri->query, + 'fragment' => (string) $iri->fragment + ); + } + + public static function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '') + { + $iri = new SimplePie_IRI(''); + $iri->scheme = $scheme; + $iri->authority = $authority; + $iri->path = $path; + $iri->query = $query; + $iri->fragment = $fragment; + return $iri->get_uri(); + } + + public static function normalize_url($url) + { + $iri = new SimplePie_IRI($url); + return $iri->get_uri(); + } + + public static function percent_encoding_normalization($match) + { + $integer = hexdec($match[1]); + if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E) + { + return chr($integer); + } + + return strtoupper($match[0]); + } + + /** + * Converts a Windows-1252 encoded string to a UTF-8 encoded string + * + * @static + * @param string $string Windows-1252 encoded string + * @return string UTF-8 encoded string + */ + public static function windows_1252_to_utf8($string) + { + static $convert_table = array("\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF"); + + return strtr($string, $convert_table); + } + + /** + * Change a string from one encoding to another + * + * @param string $data Raw data in $input encoding + * @param string $input Encoding of $data + * @param string $output Encoding you want + * @return string|boolean False if we can't convert it + */ + public static function change_encoding($data, $input, $output) + { + $input = SimplePie_Misc::encoding($input); + $output = SimplePie_Misc::encoding($output); + + // We fail to fail on non US-ASCII bytes + if ($input === 'US-ASCII') + { + static $non_ascii_octects = ''; + if (!$non_ascii_octects) + { + for ($i = 0x80; $i <= 0xFF; $i++) + { + $non_ascii_octects .= chr($i); + } + } + $data = substr($data, 0, strcspn($data, $non_ascii_octects)); + } + + // This is first, as behaviour of this is completely predictable + if ($input === 'windows-1252' && $output === 'UTF-8') + { + return SimplePie_Misc::windows_1252_to_utf8($data); + } + // This is second, as behaviour of this varies only with PHP version (the middle part of this expression checks the encoding is supported). + elseif (function_exists('mb_convert_encoding') && ($return = SimplePie_Misc::change_encoding_mbstring($data, $input, $output))) + { + return $return; + } + // This is third, as behaviour of this varies with OS userland and PHP version + elseif (function_exists('iconv') && ($return = SimplePie_Misc::change_encoding_iconv($data, $input, $output))) + { + return $return; + } + // This is last, as behaviour of this varies with OS userland and PHP version + elseif (class_exists('\UConverter') && ($return = SimplePie_Misc::change_encoding_uconverter($data, $input, $output))) + { + return $return; + } + + // If we can't do anything, just fail + return false; + } + + protected static function change_encoding_mbstring($data, $input, $output) + { + if ($input === 'windows-949') + { + $input = 'EUC-KR'; + } + if ($output === 'windows-949') + { + $output = 'EUC-KR'; + } + if ($input === 'Windows-31J') + { + $input = 'SJIS'; + } + if ($output === 'Windows-31J') + { + $output = 'SJIS'; + } + + // Check that the encoding is supported + if (@mb_convert_encoding("\x80", 'UTF-16BE', $input) === "\x00\x80") + { + return false; + } + if (!in_array($input, mb_list_encodings())) + { + return false; + } + + // Let's do some conversion + if ($return = @mb_convert_encoding($data, $output, $input)) + { + return $return; + } + + return false; + } + + protected static function change_encoding_iconv($data, $input, $output) + { + return @iconv($input, $output, $data); + } + + /** + * @param string $data + * @param string $input + * @param string $output + * @return string|false + */ + protected static function change_encoding_uconverter($data, $input, $output) + { + return @\UConverter::transcode($data, $output, $input); + } + + /** + * Normalize an encoding name + * + * This is automatically generated by create.php + * + * To generate it, run `php create.php` on the command line, and copy the + * output to replace this function. + * + * @param string $charset Character set to standardise + * @return string Standardised name + */ + public static function encoding($charset) + { + // Normalization from UTS #22 + switch (strtolower(preg_replace('/(?:[^a-zA-Z0-9]+|([^0-9])0+)/', '\1', $charset))) + { + case 'adobestandardencoding': + case 'csadobestandardencoding': + return 'Adobe-Standard-Encoding'; + + case 'adobesymbolencoding': + case 'cshppsmath': + return 'Adobe-Symbol-Encoding'; + + case 'ami1251': + case 'amiga1251': + return 'Amiga-1251'; + + case 'ansix31101983': + case 'csat5001983': + case 'csiso99naplps': + case 'isoir99': + case 'naplps': + return 'ANSI_X3.110-1983'; + + case 'arabic7': + case 'asmo449': + case 'csiso89asmo449': + case 'iso9036': + case 'isoir89': + return 'ASMO_449'; + + case 'big5': + case 'csbig5': + return 'Big5'; + + case 'big5hkscs': + return 'Big5-HKSCS'; + + case 'bocu1': + case 'csbocu1': + return 'BOCU-1'; + + case 'brf': + case 'csbrf': + return 'BRF'; + + case 'bs4730': + case 'csiso4unitedkingdom': + case 'gb': + case 'iso646gb': + case 'isoir4': + case 'uk': + return 'BS_4730'; + + case 'bsviewdata': + case 'csiso47bsviewdata': + case 'isoir47': + return 'BS_viewdata'; + + case 'cesu8': + case 'cscesu8': + return 'CESU-8'; + + case 'ca': + case 'csa71': + case 'csaz243419851': + case 'csiso121canadian1': + case 'iso646ca': + case 'isoir121': + return 'CSA_Z243.4-1985-1'; + + case 'csa72': + case 'csaz243419852': + case 'csiso122canadian2': + case 'iso646ca2': + case 'isoir122': + return 'CSA_Z243.4-1985-2'; + + case 'csaz24341985gr': + case 'csiso123csaz24341985gr': + case 'isoir123': + return 'CSA_Z243.4-1985-gr'; + + case 'csiso139csn369103': + case 'csn369103': + case 'isoir139': + return 'CSN_369103'; + + case 'csdecmcs': + case 'dec': + case 'decmcs': + return 'DEC-MCS'; + + case 'csiso21german': + case 'de': + case 'din66003': + case 'iso646de': + case 'isoir21': + return 'DIN_66003'; + + case 'csdkus': + case 'dkus': + return 'dk-us'; + + case 'csiso646danish': + case 'dk': + case 'ds2089': + case 'iso646dk': + return 'DS_2089'; + + case 'csibmebcdicatde': + case 'ebcdicatde': + return 'EBCDIC-AT-DE'; + + case 'csebcdicatdea': + case 'ebcdicatdea': + return 'EBCDIC-AT-DE-A'; + + case 'csebcdiccafr': + case 'ebcdiccafr': + return 'EBCDIC-CA-FR'; + + case 'csebcdicdkno': + case 'ebcdicdkno': + return 'EBCDIC-DK-NO'; + + case 'csebcdicdknoa': + case 'ebcdicdknoa': + return 'EBCDIC-DK-NO-A'; + + case 'csebcdices': + case 'ebcdices': + return 'EBCDIC-ES'; + + case 'csebcdicesa': + case 'ebcdicesa': + return 'EBCDIC-ES-A'; + + case 'csebcdicess': + case 'ebcdicess': + return 'EBCDIC-ES-S'; + + case 'csebcdicfise': + case 'ebcdicfise': + return 'EBCDIC-FI-SE'; + + case 'csebcdicfisea': + case 'ebcdicfisea': + return 'EBCDIC-FI-SE-A'; + + case 'csebcdicfr': + case 'ebcdicfr': + return 'EBCDIC-FR'; + + case 'csebcdicit': + case 'ebcdicit': + return 'EBCDIC-IT'; + + case 'csebcdicpt': + case 'ebcdicpt': + return 'EBCDIC-PT'; + + case 'csebcdicuk': + case 'ebcdicuk': + return 'EBCDIC-UK'; + + case 'csebcdicus': + case 'ebcdicus': + return 'EBCDIC-US'; + + case 'csiso111ecmacyrillic': + case 'ecmacyrillic': + case 'isoir111': + case 'koi8e': + return 'ECMA-cyrillic'; + + case 'csiso17spanish': + case 'es': + case 'iso646es': + case 'isoir17': + return 'ES'; + + case 'csiso85spanish2': + case 'es2': + case 'iso646es2': + case 'isoir85': + return 'ES2'; + + case 'cseucpkdfmtjapanese': + case 'eucjp': + case 'extendedunixcodepackedformatforjapanese': + return 'EUC-JP'; + + case 'cseucfixwidjapanese': + case 'extendedunixcodefixedwidthforjapanese': + return 'Extended_UNIX_Code_Fixed_Width_for_Japanese'; + + case 'gb18030': + return 'GB18030'; + + case 'chinese': + case 'cp936': + case 'csgb2312': + case 'csiso58gb231280': + case 'gb2312': + case 'gb231280': + case 'gbk': + case 'isoir58': + case 'ms936': + case 'windows936': + return 'GBK'; + + case 'cn': + case 'csiso57gb1988': + case 'gb198880': + case 'iso646cn': + case 'isoir57': + return 'GB_1988-80'; + + case 'csiso153gost1976874': + case 'gost1976874': + case 'isoir153': + case 'stsev35888': + return 'GOST_19768-74'; + + case 'csiso150': + case 'csiso150greekccitt': + case 'greekccitt': + case 'isoir150': + return 'greek-ccitt'; + + case 'csiso88greek7': + case 'greek7': + case 'isoir88': + return 'greek7'; + + case 'csiso18greek7old': + case 'greek7old': + case 'isoir18': + return 'greek7-old'; + + case 'cshpdesktop': + case 'hpdesktop': + return 'HP-DeskTop'; + + case 'cshplegal': + case 'hplegal': + return 'HP-Legal'; + + case 'cshpmath8': + case 'hpmath8': + return 'HP-Math8'; + + case 'cshppifont': + case 'hppifont': + return 'HP-Pi-font'; + + case 'cshproman8': + case 'hproman8': + case 'r8': + case 'roman8': + return 'hp-roman8'; + + case 'hzgb2312': + return 'HZ-GB-2312'; + + case 'csibmsymbols': + case 'ibmsymbols': + return 'IBM-Symbols'; + + case 'csibmthai': + case 'ibmthai': + return 'IBM-Thai'; + + case 'cp37': + case 'csibm37': + case 'ebcdiccpca': + case 'ebcdiccpnl': + case 'ebcdiccpus': + case 'ebcdiccpwt': + case 'ibm37': + return 'IBM037'; + + case 'cp38': + case 'csibm38': + case 'ebcdicint': + case 'ibm38': + return 'IBM038'; + + case 'cp273': + case 'csibm273': + case 'ibm273': + return 'IBM273'; + + case 'cp274': + case 'csibm274': + case 'ebcdicbe': + case 'ibm274': + return 'IBM274'; + + case 'cp275': + case 'csibm275': + case 'ebcdicbr': + case 'ibm275': + return 'IBM275'; + + case 'csibm277': + case 'ebcdiccpdk': + case 'ebcdiccpno': + case 'ibm277': + return 'IBM277'; + + case 'cp278': + case 'csibm278': + case 'ebcdiccpfi': + case 'ebcdiccpse': + case 'ibm278': + return 'IBM278'; + + case 'cp280': + case 'csibm280': + case 'ebcdiccpit': + case 'ibm280': + return 'IBM280'; + + case 'cp281': + case 'csibm281': + case 'ebcdicjpe': + case 'ibm281': + return 'IBM281'; + + case 'cp284': + case 'csibm284': + case 'ebcdiccpes': + case 'ibm284': + return 'IBM284'; + + case 'cp285': + case 'csibm285': + case 'ebcdiccpgb': + case 'ibm285': + return 'IBM285'; + + case 'cp290': + case 'csibm290': + case 'ebcdicjpkana': + case 'ibm290': + return 'IBM290'; + + case 'cp297': + case 'csibm297': + case 'ebcdiccpfr': + case 'ibm297': + return 'IBM297'; + + case 'cp420': + case 'csibm420': + case 'ebcdiccpar1': + case 'ibm420': + return 'IBM420'; + + case 'cp423': + case 'csibm423': + case 'ebcdiccpgr': + case 'ibm423': + return 'IBM423'; + + case 'cp424': + case 'csibm424': + case 'ebcdiccphe': + case 'ibm424': + return 'IBM424'; + + case '437': + case 'cp437': + case 'cspc8codepage437': + case 'ibm437': + return 'IBM437'; + + case 'cp500': + case 'csibm500': + case 'ebcdiccpbe': + case 'ebcdiccpch': + case 'ibm500': + return 'IBM500'; + + case 'cp775': + case 'cspc775baltic': + case 'ibm775': + return 'IBM775'; + + case '850': + case 'cp850': + case 'cspc850multilingual': + case 'ibm850': + return 'IBM850'; + + case '851': + case 'cp851': + case 'csibm851': + case 'ibm851': + return 'IBM851'; + + case '852': + case 'cp852': + case 'cspcp852': + case 'ibm852': + return 'IBM852'; + + case '855': + case 'cp855': + case 'csibm855': + case 'ibm855': + return 'IBM855'; + + case '857': + case 'cp857': + case 'csibm857': + case 'ibm857': + return 'IBM857'; + + case 'ccsid858': + case 'cp858': + case 'ibm858': + case 'pcmultilingual850euro': + return 'IBM00858'; + + case '860': + case 'cp860': + case 'csibm860': + case 'ibm860': + return 'IBM860'; + + case '861': + case 'cp861': + case 'cpis': + case 'csibm861': + case 'ibm861': + return 'IBM861'; + + case '862': + case 'cp862': + case 'cspc862latinhebrew': + case 'ibm862': + return 'IBM862'; + + case '863': + case 'cp863': + case 'csibm863': + case 'ibm863': + return 'IBM863'; + + case 'cp864': + case 'csibm864': + case 'ibm864': + return 'IBM864'; + + case '865': + case 'cp865': + case 'csibm865': + case 'ibm865': + return 'IBM865'; + + case '866': + case 'cp866': + case 'csibm866': + case 'ibm866': + return 'IBM866'; + + case 'cp868': + case 'cpar': + case 'csibm868': + case 'ibm868': + return 'IBM868'; + + case '869': + case 'cp869': + case 'cpgr': + case 'csibm869': + case 'ibm869': + return 'IBM869'; + + case 'cp870': + case 'csibm870': + case 'ebcdiccproece': + case 'ebcdiccpyu': + case 'ibm870': + return 'IBM870'; + + case 'cp871': + case 'csibm871': + case 'ebcdiccpis': + case 'ibm871': + return 'IBM871'; + + case 'cp880': + case 'csibm880': + case 'ebcdiccyrillic': + case 'ibm880': + return 'IBM880'; + + case 'cp891': + case 'csibm891': + case 'ibm891': + return 'IBM891'; + + case 'cp903': + case 'csibm903': + case 'ibm903': + return 'IBM903'; + + case '904': + case 'cp904': + case 'csibbm904': + case 'ibm904': + return 'IBM904'; + + case 'cp905': + case 'csibm905': + case 'ebcdiccptr': + case 'ibm905': + return 'IBM905'; + + case 'cp918': + case 'csibm918': + case 'ebcdiccpar2': + case 'ibm918': + return 'IBM918'; + + case 'ccsid924': + case 'cp924': + case 'ebcdiclatin9euro': + case 'ibm924': + return 'IBM00924'; + + case 'cp1026': + case 'csibm1026': + case 'ibm1026': + return 'IBM1026'; + + case 'ibm1047': + return 'IBM1047'; + + case 'ccsid1140': + case 'cp1140': + case 'ebcdicus37euro': + case 'ibm1140': + return 'IBM01140'; + + case 'ccsid1141': + case 'cp1141': + case 'ebcdicde273euro': + case 'ibm1141': + return 'IBM01141'; + + case 'ccsid1142': + case 'cp1142': + case 'ebcdicdk277euro': + case 'ebcdicno277euro': + case 'ibm1142': + return 'IBM01142'; + + case 'ccsid1143': + case 'cp1143': + case 'ebcdicfi278euro': + case 'ebcdicse278euro': + case 'ibm1143': + return 'IBM01143'; + + case 'ccsid1144': + case 'cp1144': + case 'ebcdicit280euro': + case 'ibm1144': + return 'IBM01144'; + + case 'ccsid1145': + case 'cp1145': + case 'ebcdices284euro': + case 'ibm1145': + return 'IBM01145'; + + case 'ccsid1146': + case 'cp1146': + case 'ebcdicgb285euro': + case 'ibm1146': + return 'IBM01146'; + + case 'ccsid1147': + case 'cp1147': + case 'ebcdicfr297euro': + case 'ibm1147': + return 'IBM01147'; + + case 'ccsid1148': + case 'cp1148': + case 'ebcdicinternational500euro': + case 'ibm1148': + return 'IBM01148'; + + case 'ccsid1149': + case 'cp1149': + case 'ebcdicis871euro': + case 'ibm1149': + return 'IBM01149'; + + case 'csiso143iecp271': + case 'iecp271': + case 'isoir143': + return 'IEC_P27-1'; + + case 'csiso49inis': + case 'inis': + case 'isoir49': + return 'INIS'; + + case 'csiso50inis8': + case 'inis8': + case 'isoir50': + return 'INIS-8'; + + case 'csiso51iniscyrillic': + case 'iniscyrillic': + case 'isoir51': + return 'INIS-cyrillic'; + + case 'csinvariant': + case 'invariant': + return 'INVARIANT'; + + case 'iso2022cn': + return 'ISO-2022-CN'; + + case 'iso2022cnext': + return 'ISO-2022-CN-EXT'; + + case 'csiso2022jp': + case 'iso2022jp': + return 'ISO-2022-JP'; + + case 'csiso2022jp2': + case 'iso2022jp2': + return 'ISO-2022-JP-2'; + + case 'csiso2022kr': + case 'iso2022kr': + return 'ISO-2022-KR'; + + case 'cswindows30latin1': + case 'iso88591windows30latin1': + return 'ISO-8859-1-Windows-3.0-Latin-1'; + + case 'cswindows31latin1': + case 'iso88591windows31latin1': + return 'ISO-8859-1-Windows-3.1-Latin-1'; + + case 'csisolatin2': + case 'iso88592': + case 'iso885921987': + case 'isoir101': + case 'l2': + case 'latin2': + return 'ISO-8859-2'; + + case 'cswindows31latin2': + case 'iso88592windowslatin2': + return 'ISO-8859-2-Windows-Latin-2'; + + case 'csisolatin3': + case 'iso88593': + case 'iso885931988': + case 'isoir109': + case 'l3': + case 'latin3': + return 'ISO-8859-3'; + + case 'csisolatin4': + case 'iso88594': + case 'iso885941988': + case 'isoir110': + case 'l4': + case 'latin4': + return 'ISO-8859-4'; + + case 'csisolatincyrillic': + case 'cyrillic': + case 'iso88595': + case 'iso885951988': + case 'isoir144': + return 'ISO-8859-5'; + + case 'arabic': + case 'asmo708': + case 'csisolatinarabic': + case 'ecma114': + case 'iso88596': + case 'iso885961987': + case 'isoir127': + return 'ISO-8859-6'; + + case 'csiso88596e': + case 'iso88596e': + return 'ISO-8859-6-E'; + + case 'csiso88596i': + case 'iso88596i': + return 'ISO-8859-6-I'; + + case 'csisolatingreek': + case 'ecma118': + case 'elot928': + case 'greek': + case 'greek8': + case 'iso88597': + case 'iso885971987': + case 'isoir126': + return 'ISO-8859-7'; + + case 'csisolatinhebrew': + case 'hebrew': + case 'iso88598': + case 'iso885981988': + case 'isoir138': + return 'ISO-8859-8'; + + case 'csiso88598e': + case 'iso88598e': + return 'ISO-8859-8-E'; + + case 'csiso88598i': + case 'iso88598i': + return 'ISO-8859-8-I'; + + case 'cswindows31latin5': + case 'iso88599windowslatin5': + return 'ISO-8859-9-Windows-Latin-5'; + + case 'csisolatin6': + case 'iso885910': + case 'iso8859101992': + case 'isoir157': + case 'l6': + case 'latin6': + return 'ISO-8859-10'; + + case 'iso885913': + return 'ISO-8859-13'; + + case 'iso885914': + case 'iso8859141998': + case 'isoceltic': + case 'isoir199': + case 'l8': + case 'latin8': + return 'ISO-8859-14'; + + case 'iso885915': + case 'latin9': + return 'ISO-8859-15'; + + case 'iso885916': + case 'iso8859162001': + case 'isoir226': + case 'l10': + case 'latin10': + return 'ISO-8859-16'; + + case 'iso10646j1': + return 'ISO-10646-J-1'; + + case 'csunicode': + case 'iso10646ucs2': + return 'ISO-10646-UCS-2'; + + case 'csucs4': + case 'iso10646ucs4': + return 'ISO-10646-UCS-4'; + + case 'csunicodeascii': + case 'iso10646ucsbasic': + return 'ISO-10646-UCS-Basic'; + + case 'csunicodelatin1': + case 'iso10646': + case 'iso10646unicodelatin1': + return 'ISO-10646-Unicode-Latin1'; + + case 'csiso10646utf1': + case 'iso10646utf1': + return 'ISO-10646-UTF-1'; + + case 'csiso115481': + case 'iso115481': + case 'isotr115481': + return 'ISO-11548-1'; + + case 'csiso90': + case 'isoir90': + return 'iso-ir-90'; + + case 'csunicodeibm1261': + case 'isounicodeibm1261': + return 'ISO-Unicode-IBM-1261'; + + case 'csunicodeibm1264': + case 'isounicodeibm1264': + return 'ISO-Unicode-IBM-1264'; + + case 'csunicodeibm1265': + case 'isounicodeibm1265': + return 'ISO-Unicode-IBM-1265'; + + case 'csunicodeibm1268': + case 'isounicodeibm1268': + return 'ISO-Unicode-IBM-1268'; + + case 'csunicodeibm1276': + case 'isounicodeibm1276': + return 'ISO-Unicode-IBM-1276'; + + case 'csiso646basic1983': + case 'iso646basic1983': + case 'ref': + return 'ISO_646.basic:1983'; + + case 'csiso2intlrefversion': + case 'irv': + case 'iso646irv1983': + case 'isoir2': + return 'ISO_646.irv:1983'; + + case 'csiso2033': + case 'e13b': + case 'iso20331983': + case 'isoir98': + return 'ISO_2033-1983'; + + case 'csiso5427cyrillic': + case 'iso5427': + case 'isoir37': + return 'ISO_5427'; + + case 'iso5427cyrillic1981': + case 'iso54271981': + case 'isoir54': + return 'ISO_5427:1981'; + + case 'csiso5428greek': + case 'iso54281980': + case 'isoir55': + return 'ISO_5428:1980'; + + case 'csiso6937add': + case 'iso6937225': + case 'isoir152': + return 'ISO_6937-2-25'; + + case 'csisotextcomm': + case 'iso69372add': + case 'isoir142': + return 'ISO_6937-2-add'; + + case 'csiso8859supp': + case 'iso8859supp': + case 'isoir154': + case 'latin125': + return 'ISO_8859-supp'; + + case 'csiso10367box': + case 'iso10367box': + case 'isoir155': + return 'ISO_10367-box'; + + case 'csiso15italian': + case 'iso646it': + case 'isoir15': + case 'it': + return 'IT'; + + case 'csiso13jisc6220jp': + case 'isoir13': + case 'jisc62201969': + case 'jisc62201969jp': + case 'katakana': + case 'x2017': + return 'JIS_C6220-1969-jp'; + + case 'csiso14jisc6220ro': + case 'iso646jp': + case 'isoir14': + case 'jisc62201969ro': + case 'jp': + return 'JIS_C6220-1969-ro'; + + case 'csiso42jisc62261978': + case 'isoir42': + case 'jisc62261978': + return 'JIS_C6226-1978'; + + case 'csiso87jisx208': + case 'isoir87': + case 'jisc62261983': + case 'jisx2081983': + case 'x208': + return 'JIS_C6226-1983'; + + case 'csiso91jisc62291984a': + case 'isoir91': + case 'jisc62291984a': + case 'jpocra': + return 'JIS_C6229-1984-a'; + + case 'csiso92jisc62991984b': + case 'iso646jpocrb': + case 'isoir92': + case 'jisc62291984b': + case 'jpocrb': + return 'JIS_C6229-1984-b'; + + case 'csiso93jis62291984badd': + case 'isoir93': + case 'jisc62291984badd': + case 'jpocrbadd': + return 'JIS_C6229-1984-b-add'; + + case 'csiso94jis62291984hand': + case 'isoir94': + case 'jisc62291984hand': + case 'jpocrhand': + return 'JIS_C6229-1984-hand'; + + case 'csiso95jis62291984handadd': + case 'isoir95': + case 'jisc62291984handadd': + case 'jpocrhandadd': + return 'JIS_C6229-1984-hand-add'; + + case 'csiso96jisc62291984kana': + case 'isoir96': + case 'jisc62291984kana': + return 'JIS_C6229-1984-kana'; + + case 'csjisencoding': + case 'jisencoding': + return 'JIS_Encoding'; + + case 'cshalfwidthkatakana': + case 'jisx201': + case 'x201': + return 'JIS_X0201'; + + case 'csiso159jisx2121990': + case 'isoir159': + case 'jisx2121990': + case 'x212': + return 'JIS_X0212-1990'; + + case 'csiso141jusib1002': + case 'iso646yu': + case 'isoir141': + case 'js': + case 'jusib1002': + case 'yu': + return 'JUS_I.B1.002'; + + case 'csiso147macedonian': + case 'isoir147': + case 'jusib1003mac': + case 'macedonian': + return 'JUS_I.B1.003-mac'; + + case 'csiso146serbian': + case 'isoir146': + case 'jusib1003serb': + case 'serbian': + return 'JUS_I.B1.003-serb'; + + case 'koi7switched': + return 'KOI7-switched'; + + case 'cskoi8r': + case 'koi8r': + return 'KOI8-R'; + + case 'koi8u': + return 'KOI8-U'; + + case 'csksc5636': + case 'iso646kr': + case 'ksc5636': + return 'KSC5636'; + + case 'cskz1048': + case 'kz1048': + case 'rk1048': + case 'strk10482002': + return 'KZ-1048'; + + case 'csiso19latingreek': + case 'isoir19': + case 'latingreek': + return 'latin-greek'; + + case 'csiso27latingreek1': + case 'isoir27': + case 'latingreek1': + return 'Latin-greek-1'; + + case 'csiso158lap': + case 'isoir158': + case 'lap': + case 'latinlap': + return 'latin-lap'; + + case 'csmacintosh': + case 'mac': + case 'macintosh': + return 'macintosh'; + + case 'csmicrosoftpublishing': + case 'microsoftpublishing': + return 'Microsoft-Publishing'; + + case 'csmnem': + case 'mnem': + return 'MNEM'; + + case 'csmnemonic': + case 'mnemonic': + return 'MNEMONIC'; + + case 'csiso86hungarian': + case 'hu': + case 'iso646hu': + case 'isoir86': + case 'msz77953': + return 'MSZ_7795.3'; + + case 'csnatsdano': + case 'isoir91': + case 'natsdano': + return 'NATS-DANO'; + + case 'csnatsdanoadd': + case 'isoir92': + case 'natsdanoadd': + return 'NATS-DANO-ADD'; + + case 'csnatssefi': + case 'isoir81': + case 'natssefi': + return 'NATS-SEFI'; + + case 'csnatssefiadd': + case 'isoir82': + case 'natssefiadd': + return 'NATS-SEFI-ADD'; + + case 'csiso151cuba': + case 'cuba': + case 'iso646cu': + case 'isoir151': + case 'ncnc1081': + return 'NC_NC00-10:81'; + + case 'csiso69french': + case 'fr': + case 'iso646fr': + case 'isoir69': + case 'nfz62010': + return 'NF_Z_62-010'; + + case 'csiso25french': + case 'iso646fr1': + case 'isoir25': + case 'nfz620101973': + return 'NF_Z_62-010_(1973)'; + + case 'csiso60danishnorwegian': + case 'csiso60norwegian1': + case 'iso646no': + case 'isoir60': + case 'no': + case 'ns45511': + return 'NS_4551-1'; + + case 'csiso61norwegian2': + case 'iso646no2': + case 'isoir61': + case 'no2': + case 'ns45512': + return 'NS_4551-2'; + + case 'osdebcdicdf3irv': + return 'OSD_EBCDIC_DF03_IRV'; + + case 'osdebcdicdf41': + return 'OSD_EBCDIC_DF04_1'; + + case 'osdebcdicdf415': + return 'OSD_EBCDIC_DF04_15'; + + case 'cspc8danishnorwegian': + case 'pc8danishnorwegian': + return 'PC8-Danish-Norwegian'; + + case 'cspc8turkish': + case 'pc8turkish': + return 'PC8-Turkish'; + + case 'csiso16portuguese': + case 'iso646pt': + case 'isoir16': + case 'pt': + return 'PT'; + + case 'csiso84portuguese2': + case 'iso646pt2': + case 'isoir84': + case 'pt2': + return 'PT2'; + + case 'cp154': + case 'csptcp154': + case 'cyrillicasian': + case 'pt154': + case 'ptcp154': + return 'PTCP154'; + + case 'scsu': + return 'SCSU'; + + case 'csiso10swedish': + case 'fi': + case 'iso646fi': + case 'iso646se': + case 'isoir10': + case 'se': + case 'sen850200b': + return 'SEN_850200_B'; + + case 'csiso11swedishfornames': + case 'iso646se2': + case 'isoir11': + case 'se2': + case 'sen850200c': + return 'SEN_850200_C'; + + case 'csiso102t617bit': + case 'isoir102': + case 't617bit': + return 'T.61-7bit'; + + case 'csiso103t618bit': + case 'isoir103': + case 't61': + case 't618bit': + return 'T.61-8bit'; + + case 'csiso128t101g2': + case 'isoir128': + case 't101g2': + return 'T.101-G2'; + + case 'cstscii': + case 'tscii': + return 'TSCII'; + + case 'csunicode11': + case 'unicode11': + return 'UNICODE-1-1'; + + case 'csunicode11utf7': + case 'unicode11utf7': + return 'UNICODE-1-1-UTF-7'; + + case 'csunknown8bit': + case 'unknown8bit': + return 'UNKNOWN-8BIT'; + + case 'ansix341968': + case 'ansix341986': + case 'ascii': + case 'cp367': + case 'csascii': + case 'ibm367': + case 'iso646irv1991': + case 'iso646us': + case 'isoir6': + case 'us': + case 'usascii': + return 'US-ASCII'; + + case 'csusdk': + case 'usdk': + return 'us-dk'; + + case 'utf7': + return 'UTF-7'; + + case 'utf8': + return 'UTF-8'; + + case 'utf16': + return 'UTF-16'; + + case 'utf16be': + return 'UTF-16BE'; + + case 'utf16le': + return 'UTF-16LE'; + + case 'utf32': + return 'UTF-32'; + + case 'utf32be': + return 'UTF-32BE'; + + case 'utf32le': + return 'UTF-32LE'; + + case 'csventurainternational': + case 'venturainternational': + return 'Ventura-International'; + + case 'csventuramath': + case 'venturamath': + return 'Ventura-Math'; + + case 'csventuraus': + case 'venturaus': + return 'Ventura-US'; + + case 'csiso70videotexsupp1': + case 'isoir70': + case 'videotexsuppl': + return 'videotex-suppl'; + + case 'csviqr': + case 'viqr': + return 'VIQR'; + + case 'csviscii': + case 'viscii': + return 'VISCII'; + + case 'csshiftjis': + case 'cswindows31j': + case 'mskanji': + case 'shiftjis': + case 'windows31j': + return 'Windows-31J'; + + case 'iso885911': + case 'tis620': + return 'windows-874'; + + case 'cseuckr': + case 'csksc56011987': + case 'euckr': + case 'isoir149': + case 'korean': + case 'ksc5601': + case 'ksc56011987': + case 'ksc56011989': + case 'windows949': + return 'windows-949'; + + case 'windows1250': + return 'windows-1250'; + + case 'windows1251': + return 'windows-1251'; + + case 'cp819': + case 'csisolatin1': + case 'ibm819': + case 'iso88591': + case 'iso885911987': + case 'isoir100': + case 'l1': + case 'latin1': + case 'windows1252': + return 'windows-1252'; + + case 'windows1253': + return 'windows-1253'; + + case 'csisolatin5': + case 'iso88599': + case 'iso885991989': + case 'isoir148': + case 'l5': + case 'latin5': + case 'windows1254': + return 'windows-1254'; + + case 'windows1255': + return 'windows-1255'; + + case 'windows1256': + return 'windows-1256'; + + case 'windows1257': + return 'windows-1257'; + + case 'windows1258': + return 'windows-1258'; + + default: + return $charset; + } + } + + public static function get_curl_version() + { + if (is_array($curl = curl_version())) + { + $curl = $curl['version']; + } + elseif (substr($curl, 0, 5) === 'curl/') + { + $curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5)); + } + elseif (substr($curl, 0, 8) === 'libcurl/') + { + $curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8)); + } + else + { + $curl = 0; + } + return $curl; + } + + /** + * Strip HTML comments + * + * @param string $data Data to strip comments from + * @return string Comment stripped string + */ + public static function strip_comments($data) + { + $output = ''; + while (($start = strpos($data, '<!--')) !== false) + { + $output .= substr($data, 0, $start); + if (($end = strpos($data, '-->', $start)) !== false) + { + $data = substr_replace($data, '', 0, $end + 3); + } + else + { + $data = ''; + } + } + return $output . $data; + } + + public static function parse_date($dt) + { + $parser = SimplePie_Parse_Date::get(); + return $parser->parse($dt); + } + + /** + * Decode HTML entities + * + * @deprecated Use DOMDocument instead + * @param string $data Input data + * @return string Output data + */ + public static function entities_decode($data) + { + $decoder = new SimplePie_Decode_HTML_Entities($data); + return $decoder->parse(); + } + + /** + * Remove RFC822 comments + * + * @param string $data Data to strip comments from + * @return string Comment stripped string + */ + public static function uncomment_rfc822($string) + { + $string = (string) $string; + $position = 0; + $length = strlen($string); + $depth = 0; + + $output = ''; + + while ($position < $length && ($pos = strpos($string, '(', $position)) !== false) + { + $output .= substr($string, $position, $pos - $position); + $position = $pos + 1; + if ($string[$pos - 1] !== '\\') + { + $depth++; + while ($depth && $position < $length) + { + $position += strcspn($string, '()', $position); + if ($string[$position - 1] === '\\') + { + $position++; + continue; + } + elseif (isset($string[$position])) + { + switch ($string[$position]) + { + case '(': + $depth++; + break; + + case ')': + $depth--; + break; + } + $position++; + } + else + { + break; + } + } + } + else + { + $output .= '('; + } + } + $output .= substr($string, $position); + + return $output; + } + + public static function parse_mime($mime) + { + if (($pos = strpos($mime, ';')) === false) + { + return trim($mime); + } + + return trim(substr($mime, 0, $pos)); + } + + public static function atom_03_construct_type($attribs) + { + if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode']) === 'base64')) + { + $mode = SIMPLEPIE_CONSTRUCT_BASE64; + } + else + { + $mode = SIMPLEPIE_CONSTRUCT_NONE; + } + if (isset($attribs['']['type'])) + { + switch (strtolower(trim($attribs['']['type']))) + { + case 'text': + case 'text/plain': + return SIMPLEPIE_CONSTRUCT_TEXT | $mode; + + case 'html': + case 'text/html': + return SIMPLEPIE_CONSTRUCT_HTML | $mode; + + case 'xhtml': + case 'application/xhtml+xml': + return SIMPLEPIE_CONSTRUCT_XHTML | $mode; + + default: + return SIMPLEPIE_CONSTRUCT_NONE | $mode; + } + } + + return SIMPLEPIE_CONSTRUCT_TEXT | $mode; + } + + public static function atom_10_construct_type($attribs) + { + if (isset($attribs['']['type'])) + { + switch (strtolower(trim($attribs['']['type']))) + { + case 'text': + return SIMPLEPIE_CONSTRUCT_TEXT; + + case 'html': + return SIMPLEPIE_CONSTRUCT_HTML; + + case 'xhtml': + return SIMPLEPIE_CONSTRUCT_XHTML; + + default: + return SIMPLEPIE_CONSTRUCT_NONE; + } + } + return SIMPLEPIE_CONSTRUCT_TEXT; + } + + public static function atom_10_content_construct_type($attribs) + { + if (isset($attribs['']['type'])) + { + $type = strtolower(trim($attribs['']['type'])); + switch ($type) + { + case 'text': + return SIMPLEPIE_CONSTRUCT_TEXT; + + case 'html': + return SIMPLEPIE_CONSTRUCT_HTML; + + case 'xhtml': + return SIMPLEPIE_CONSTRUCT_XHTML; + } + if (in_array(substr($type, -4), array('+xml', '/xml')) || substr($type, 0, 5) === 'text/') + { + return SIMPLEPIE_CONSTRUCT_NONE; + } + else + { + return SIMPLEPIE_CONSTRUCT_BASE64; + } + } + + return SIMPLEPIE_CONSTRUCT_TEXT; + } + + public static function is_isegment_nz_nc($string) + { + return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string); + } + + public static function space_separated_tokens($string) + { + $space_characters = "\x20\x09\x0A\x0B\x0C\x0D"; + $string_length = strlen($string); + + $position = strspn($string, $space_characters); + $tokens = array(); + + while ($position < $string_length) + { + $len = strcspn($string, $space_characters, $position); + $tokens[] = substr($string, $position, $len); + $position += $len; + $position += strspn($string, $space_characters, $position); + } + + return $tokens; + } + + /** + * Converts a unicode codepoint to a UTF-8 character + * + * @static + * @param int $codepoint Unicode codepoint + * @return string UTF-8 character + */ + public static function codepoint_to_utf8($codepoint) + { + $codepoint = (int) $codepoint; + if ($codepoint < 0) + { + return false; + } + else if ($codepoint <= 0x7f) + { + return chr($codepoint); + } + else if ($codepoint <= 0x7ff) + { + return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f)); + } + else if ($codepoint <= 0xffff) + { + return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f)); + } + else if ($codepoint <= 0x10ffff) + { + return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f)); + } + + // U+FFFD REPLACEMENT CHARACTER + return "\xEF\xBF\xBD"; + } + + /** + * Similar to parse_str() + * + * Returns an associative array of name/value pairs, where the value is an + * array of values that have used the same name + * + * @static + * @param string $str The input string. + * @return array + */ + public static function parse_str($str) + { + $return = array(); + $str = explode('&', $str); + + foreach ($str as $section) + { + if (strpos($section, '=') !== false) + { + list($name, $value) = explode('=', $section, 2); + $return[urldecode($name)][] = urldecode($value); + } + else + { + $return[urldecode($section)][] = null; + } + } + + return $return; + } + + /** + * Detect XML encoding, as per XML 1.0 Appendix F.1 + * + * @todo Add support for EBCDIC + * @param string $data XML data + * @param SimplePie_Registry $registry Class registry + * @return array Possible encodings + */ + public static function xml_encoding($data, $registry) + { + // UTF-32 Big Endian BOM + if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") + { + $encoding[] = 'UTF-32BE'; + } + // UTF-32 Little Endian BOM + elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") + { + $encoding[] = 'UTF-32LE'; + } + // UTF-16 Big Endian BOM + elseif (substr($data, 0, 2) === "\xFE\xFF") + { + $encoding[] = 'UTF-16BE'; + } + // UTF-16 Little Endian BOM + elseif (substr($data, 0, 2) === "\xFF\xFE") + { + $encoding[] = 'UTF-16LE'; + } + // UTF-8 BOM + elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") + { + $encoding[] = 'UTF-8'; + } + // UTF-32 Big Endian Without BOM + elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C") + { + if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E")) + { + $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8'))); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-32BE'; + } + // UTF-32 Little Endian Without BOM + elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00") + { + if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00")) + { + $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8'))); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-32LE'; + } + // UTF-16 Big Endian Without BOM + elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C") + { + if ($pos = strpos($data, "\x00\x3F\x00\x3E")) + { + $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8'))); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-16BE'; + } + // UTF-16 Little Endian Without BOM + elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00") + { + if ($pos = strpos($data, "\x3F\x00\x3E\x00")) + { + $parser = $registry->create('XML_Declaration_Parser', array(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8'))); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-16LE'; + } + // US-ASCII (or superset) + elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C") + { + if ($pos = strpos($data, "\x3F\x3E")) + { + $parser = $registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5))); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-8'; + } + // Fallback to UTF-8 + else + { + $encoding[] = 'UTF-8'; + } + return $encoding; + } + + public static function output_javascript() + { + if (function_exists('ob_gzhandler')) + { + ob_start('ob_gzhandler'); + } + header('Content-type: text/javascript; charset: UTF-8'); + header('Cache-Control: must-revalidate'); + header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days + ?> +function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) { + if (placeholder != '') { + document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); + } + else { + document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); + } +} + +function embed_flash(bgcolor, width, height, link, loop, type) { + document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>'); +} + +function embed_flv(width, height, link, placeholder, loop, player) { + document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>'); +} + +function embed_wmedia(width, height, link) { + document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>'); +} + <?php + } + + /** + * Get the SimplePie build timestamp + * + * Uses the git index if it exists, otherwise uses the modification time + * of the newest file. + */ + public static function get_build() + { + $root = dirname(dirname(__FILE__)); + if (file_exists($root . '/.git/index')) + { + return filemtime($root . '/.git/index'); + } + elseif (file_exists($root . '/SimplePie')) + { + $time = 0; + foreach (glob($root . '/SimplePie/*.php') as $file) + { + if (($mtime = filemtime($file)) > $time) + { + $time = $mtime; + } + } + return $time; + } + elseif (file_exists(dirname(__FILE__) . '/Core.php')) + { + return filemtime(dirname(__FILE__) . '/Core.php'); + } + + return filemtime(__FILE__); + } + + /** + * Format debugging information + */ + public static function debug(&$sp) + { + $info = 'SimplePie ' . SIMPLEPIE_VERSION . ' Build ' . SIMPLEPIE_BUILD . "\n"; + $info .= 'PHP ' . PHP_VERSION . "\n"; + if ($sp->error() !== null) + { + $info .= 'Error occurred: ' . $sp->error() . "\n"; + } + else + { + $info .= "No error found.\n"; + } + $info .= "Extensions:\n"; + $extensions = array('pcre', 'curl', 'zlib', 'mbstring', 'iconv', 'xmlreader', 'xml'); + foreach ($extensions as $ext) + { + if (extension_loaded($ext)) + { + $info .= " $ext loaded\n"; + switch ($ext) + { + case 'pcre': + $info .= ' Version ' . PCRE_VERSION . "\n"; + break; + case 'curl': + $version = curl_version(); + $info .= ' Version ' . $version['version'] . "\n"; + break; + case 'mbstring': + $info .= ' Overloading: ' . mb_get_info('func_overload') . "\n"; + break; + case 'iconv': + $info .= ' Version ' . ICONV_VERSION . "\n"; + break; + case 'xml': + $info .= ' Version ' . LIBXML_DOTTED_VERSION . "\n"; + break; + } + } + else + { + $info .= " $ext not loaded\n"; + } + } + return $info; + } + + public static function silence_errors($num, $str) + { + // No-op + } +} diff --git a/lib/simplepie/library/SimplePie/Net/IPv6.php b/lib/simplepie/library/SimplePie/Net/IPv6.php new file mode 100644 index 000000000..a054e8be5 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Net/IPv6.php @@ -0,0 +1,269 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + + +/** + * Class to validate and to work with IPv6 addresses. + * + * @package SimplePie + * @subpackage HTTP + * @copyright 2003-2005 The PHP Group + * @license http://www.opensource.org/licenses/bsd-license.php + * @link http://pear.php.net/package/Net_IPv6 + * @author Alexander Merz <alexander.merz@web.de> + * @author elfrink at introweb dot nl + * @author Josh Peck <jmp at joshpeck dot org> + * @author Geoffrey Sneddon <geoffers@gmail.com> + */ +class SimplePie_Net_IPv6 +{ + /** + * Uncompresses an IPv6 address + * + * RFC 4291 allows you to compress concecutive zero pieces in an address to + * '::'. This method expects a valid IPv6 address and expands the '::' to + * the required number of zero pieces. + * + * Example: FF01::101 -> FF01:0:0:0:0:0:0:101 + * ::1 -> 0:0:0:0:0:0:0:1 + * + * @author Alexander Merz <alexander.merz@web.de> + * @author elfrink at introweb dot nl + * @author Josh Peck <jmp at joshpeck dot org> + * @copyright 2003-2005 The PHP Group + * @license http://www.opensource.org/licenses/bsd-license.php + * @param string $ip An IPv6 address + * @return string The uncompressed IPv6 address + */ + public static function uncompress($ip) + { + $c1 = -1; + $c2 = -1; + if (substr_count($ip, '::') === 1) + { + list($ip1, $ip2) = explode('::', $ip); + if ($ip1 === '') + { + $c1 = -1; + } + else + { + $c1 = substr_count($ip1, ':'); + } + if ($ip2 === '') + { + $c2 = -1; + } + else + { + $c2 = substr_count($ip2, ':'); + } + if (strpos($ip2, '.') !== false) + { + $c2++; + } + // :: + if ($c1 === -1 && $c2 === -1) + { + $ip = '0:0:0:0:0:0:0:0'; + } + // ::xxx + else if ($c1 === -1) + { + $fill = str_repeat('0:', 7 - $c2); + $ip = str_replace('::', $fill, $ip); + } + // xxx:: + else if ($c2 === -1) + { + $fill = str_repeat(':0', 7 - $c1); + $ip = str_replace('::', $fill, $ip); + } + // xxx::xxx + else + { + $fill = ':' . str_repeat('0:', 6 - $c2 - $c1); + $ip = str_replace('::', $fill, $ip); + } + } + return $ip; + } + + /** + * Compresses an IPv6 address + * + * RFC 4291 allows you to compress concecutive zero pieces in an address to + * '::'. This method expects a valid IPv6 address and compresses consecutive + * zero pieces to '::'. + * + * Example: FF01:0:0:0:0:0:0:101 -> FF01::101 + * 0:0:0:0:0:0:0:1 -> ::1 + * + * @see uncompress() + * @param string $ip An IPv6 address + * @return string The compressed IPv6 address + */ + public static function compress($ip) + { + // Prepare the IP to be compressed + $ip = self::uncompress($ip); + $ip_parts = self::split_v6_v4($ip); + + // Replace all leading zeros + $ip_parts[0] = preg_replace('/(^|:)0+([0-9])/', '\1\2', $ip_parts[0]); + + // Find bunches of zeros + if (preg_match_all('/(?:^|:)(?:0(?::|$))+/', $ip_parts[0], $matches, PREG_OFFSET_CAPTURE)) + { + $max = 0; + $pos = null; + foreach ($matches[0] as $match) + { + if (strlen($match[0]) > $max) + { + $max = strlen($match[0]); + $pos = $match[1]; + } + } + + $ip_parts[0] = substr_replace($ip_parts[0], '::', $pos, $max); + } + + if ($ip_parts[1] !== '') + { + return implode(':', $ip_parts); + } + + return $ip_parts[0]; + } + + /** + * Splits an IPv6 address into the IPv6 and IPv4 representation parts + * + * RFC 4291 allows you to represent the last two parts of an IPv6 address + * using the standard IPv4 representation + * + * Example: 0:0:0:0:0:0:13.1.68.3 + * 0:0:0:0:0:FFFF:129.144.52.38 + * + * @param string $ip An IPv6 address + * @return array [0] contains the IPv6 represented part, and [1] the IPv4 represented part + */ + private static function split_v6_v4($ip) + { + if (strpos($ip, '.') !== false) + { + $pos = strrpos($ip, ':'); + $ipv6_part = substr($ip, 0, $pos); + $ipv4_part = substr($ip, $pos + 1); + return array($ipv6_part, $ipv4_part); + } + + return array($ip, ''); + } + + /** + * Checks an IPv6 address + * + * Checks if the given IP is a valid IPv6 address + * + * @param string $ip An IPv6 address + * @return bool true if $ip is a valid IPv6 address + */ + public static function check_ipv6($ip) + { + $ip = self::uncompress($ip); + list($ipv6, $ipv4) = self::split_v6_v4($ip); + $ipv6 = explode(':', $ipv6); + $ipv4 = explode('.', $ipv4); + if (count($ipv6) === 8 && count($ipv4) === 1 || count($ipv6) === 6 && count($ipv4) === 4) + { + foreach ($ipv6 as $ipv6_part) + { + // The section can't be empty + if ($ipv6_part === '') + return false; + + // Nor can it be over four characters + if (strlen($ipv6_part) > 4) + return false; + + // Remove leading zeros (this is safe because of the above) + $ipv6_part = ltrim($ipv6_part, '0'); + if ($ipv6_part === '') + $ipv6_part = '0'; + + // Check the value is valid + $value = hexdec($ipv6_part); + if (dechex($value) !== strtolower($ipv6_part) || $value < 0 || $value > 0xFFFF) + return false; + } + if (count($ipv4) === 4) + { + foreach ($ipv4 as $ipv4_part) + { + $value = (int) $ipv4_part; + if ((string) $value !== $ipv4_part || $value < 0 || $value > 0xFF) + return false; + } + } + return true; + } + + return false; + } + + /** + * Checks if the given IP is a valid IPv6 address + * + * @codeCoverageIgnore + * @deprecated Use {@see SimplePie_Net_IPv6::check_ipv6()} instead + * @see check_ipv6 + * @param string $ip An IPv6 address + * @return bool true if $ip is a valid IPv6 address + */ + public static function checkIPv6($ip) + { + return self::check_ipv6($ip); + } +} diff --git a/lib/simplepie/library/SimplePie/Parse/Date.php b/lib/simplepie/library/SimplePie/Parse/Date.php new file mode 100644 index 000000000..b29274c64 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Parse/Date.php @@ -0,0 +1,972 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + + +/** + * Date Parser + * + * @package SimplePie + * @subpackage Parsing + */ +class SimplePie_Parse_Date +{ + /** + * Input data + * + * @access protected + * @var string + */ + var $date; + + /** + * List of days, calendar day name => ordinal day number in the week + * + * @access protected + * @var array + */ + var $day = array( + // English + 'mon' => 1, + 'monday' => 1, + 'tue' => 2, + 'tuesday' => 2, + 'wed' => 3, + 'wednesday' => 3, + 'thu' => 4, + 'thursday' => 4, + 'fri' => 5, + 'friday' => 5, + 'sat' => 6, + 'saturday' => 6, + 'sun' => 7, + 'sunday' => 7, + // Dutch + 'maandag' => 1, + 'dinsdag' => 2, + 'woensdag' => 3, + 'donderdag' => 4, + 'vrijdag' => 5, + 'zaterdag' => 6, + 'zondag' => 7, + // French + 'lundi' => 1, + 'mardi' => 2, + 'mercredi' => 3, + 'jeudi' => 4, + 'vendredi' => 5, + 'samedi' => 6, + 'dimanche' => 7, + // German + 'montag' => 1, + 'dienstag' => 2, + 'mittwoch' => 3, + 'donnerstag' => 4, + 'freitag' => 5, + 'samstag' => 6, + 'sonnabend' => 6, + 'sonntag' => 7, + // Italian + 'lunedì' => 1, + 'martedì' => 2, + 'mercoledì' => 3, + 'giovedì' => 4, + 'venerdì' => 5, + 'sabato' => 6, + 'domenica' => 7, + // Spanish + 'lunes' => 1, + 'martes' => 2, + 'miércoles' => 3, + 'jueves' => 4, + 'viernes' => 5, + 'sábado' => 6, + 'domingo' => 7, + // Finnish + 'maanantai' => 1, + 'tiistai' => 2, + 'keskiviikko' => 3, + 'torstai' => 4, + 'perjantai' => 5, + 'lauantai' => 6, + 'sunnuntai' => 7, + // Hungarian + 'hétfő' => 1, + 'kedd' => 2, + 'szerda' => 3, + 'csütörtok' => 4, + 'péntek' => 5, + 'szombat' => 6, + 'vasárnap' => 7, + // Greek + 'Δευ' => 1, + 'Τρι' => 2, + 'Τετ' => 3, + 'Πεμ' => 4, + 'Παρ' => 5, + 'Σαβ' => 6, + 'Κυρ' => 7, + ); + + /** + * List of months, calendar month name => calendar month number + * + * @access protected + * @var array + */ + var $month = array( + // English + 'jan' => 1, + 'january' => 1, + 'feb' => 2, + 'february' => 2, + 'mar' => 3, + 'march' => 3, + 'apr' => 4, + 'april' => 4, + 'may' => 5, + // No long form of May + 'jun' => 6, + 'june' => 6, + 'jul' => 7, + 'july' => 7, + 'aug' => 8, + 'august' => 8, + 'sep' => 9, + 'september' => 9, + 'oct' => 10, + 'october' => 10, + 'nov' => 11, + 'november' => 11, + 'dec' => 12, + 'december' => 12, + // Dutch + 'januari' => 1, + 'februari' => 2, + 'maart' => 3, + 'april' => 4, + 'mei' => 5, + 'juni' => 6, + 'juli' => 7, + 'augustus' => 8, + 'september' => 9, + 'oktober' => 10, + 'november' => 11, + 'december' => 12, + // French + 'janvier' => 1, + 'février' => 2, + 'mars' => 3, + 'avril' => 4, + 'mai' => 5, + 'juin' => 6, + 'juillet' => 7, + 'août' => 8, + 'septembre' => 9, + 'octobre' => 10, + 'novembre' => 11, + 'décembre' => 12, + // German + 'januar' => 1, + 'februar' => 2, + 'märz' => 3, + 'april' => 4, + 'mai' => 5, + 'juni' => 6, + 'juli' => 7, + 'august' => 8, + 'september' => 9, + 'oktober' => 10, + 'november' => 11, + 'dezember' => 12, + // Italian + 'gennaio' => 1, + 'febbraio' => 2, + 'marzo' => 3, + 'aprile' => 4, + 'maggio' => 5, + 'giugno' => 6, + 'luglio' => 7, + 'agosto' => 8, + 'settembre' => 9, + 'ottobre' => 10, + 'novembre' => 11, + 'dicembre' => 12, + // Spanish + 'enero' => 1, + 'febrero' => 2, + 'marzo' => 3, + 'abril' => 4, + 'mayo' => 5, + 'junio' => 6, + 'julio' => 7, + 'agosto' => 8, + 'septiembre' => 9, + 'setiembre' => 9, + 'octubre' => 10, + 'noviembre' => 11, + 'diciembre' => 12, + // Finnish + 'tammikuu' => 1, + 'helmikuu' => 2, + 'maaliskuu' => 3, + 'huhtikuu' => 4, + 'toukokuu' => 5, + 'kesäkuu' => 6, + 'heinäkuu' => 7, + 'elokuu' => 8, + 'suuskuu' => 9, + 'lokakuu' => 10, + 'marras' => 11, + 'joulukuu' => 12, + // Hungarian + 'január' => 1, + 'február' => 2, + 'március' => 3, + 'április' => 4, + 'május' => 5, + 'június' => 6, + 'július' => 7, + 'augusztus' => 8, + 'szeptember' => 9, + 'október' => 10, + 'november' => 11, + 'december' => 12, + // Greek + 'Ιαν' => 1, + 'Φεβ' => 2, + 'Μάώ' => 3, + 'Μαώ' => 3, + 'Απρ' => 4, + 'Μάι' => 5, + 'Μαϊ' => 5, + 'Μαι' => 5, + 'Ιούν' => 6, + 'Ιον' => 6, + 'Ιούλ' => 7, + 'Ιολ' => 7, + 'Αύγ' => 8, + 'Αυγ' => 8, + 'Σεπ' => 9, + 'Οκτ' => 10, + 'Νοέ' => 11, + 'Δεκ' => 12, + ); + + /** + * List of timezones, abbreviation => offset from UTC + * + * @access protected + * @var array + */ + var $timezone = array( + 'ACDT' => 37800, + 'ACIT' => 28800, + 'ACST' => 34200, + 'ACT' => -18000, + 'ACWDT' => 35100, + 'ACWST' => 31500, + 'AEDT' => 39600, + 'AEST' => 36000, + 'AFT' => 16200, + 'AKDT' => -28800, + 'AKST' => -32400, + 'AMDT' => 18000, + 'AMT' => -14400, + 'ANAST' => 46800, + 'ANAT' => 43200, + 'ART' => -10800, + 'AZOST' => -3600, + 'AZST' => 18000, + 'AZT' => 14400, + 'BIOT' => 21600, + 'BIT' => -43200, + 'BOT' => -14400, + 'BRST' => -7200, + 'BRT' => -10800, + 'BST' => 3600, + 'BTT' => 21600, + 'CAST' => 18000, + 'CAT' => 7200, + 'CCT' => 23400, + 'CDT' => -18000, + 'CEDT' => 7200, + 'CEST' => 7200, + 'CET' => 3600, + 'CGST' => -7200, + 'CGT' => -10800, + 'CHADT' => 49500, + 'CHAST' => 45900, + 'CIST' => -28800, + 'CKT' => -36000, + 'CLDT' => -10800, + 'CLST' => -14400, + 'COT' => -18000, + 'CST' => -21600, + 'CVT' => -3600, + 'CXT' => 25200, + 'DAVT' => 25200, + 'DTAT' => 36000, + 'EADT' => -18000, + 'EAST' => -21600, + 'EAT' => 10800, + 'ECT' => -18000, + 'EDT' => -14400, + 'EEST' => 10800, + 'EET' => 7200, + 'EGT' => -3600, + 'EKST' => 21600, + 'EST' => -18000, + 'FJT' => 43200, + 'FKDT' => -10800, + 'FKST' => -14400, + 'FNT' => -7200, + 'GALT' => -21600, + 'GEDT' => 14400, + 'GEST' => 10800, + 'GFT' => -10800, + 'GILT' => 43200, + 'GIT' => -32400, + 'GST' => 14400, + 'GST' => -7200, + 'GYT' => -14400, + 'HAA' => -10800, + 'HAC' => -18000, + 'HADT' => -32400, + 'HAE' => -14400, + 'HAP' => -25200, + 'HAR' => -21600, + 'HAST' => -36000, + 'HAT' => -9000, + 'HAY' => -28800, + 'HKST' => 28800, + 'HMT' => 18000, + 'HNA' => -14400, + 'HNC' => -21600, + 'HNE' => -18000, + 'HNP' => -28800, + 'HNR' => -25200, + 'HNT' => -12600, + 'HNY' => -32400, + 'IRDT' => 16200, + 'IRKST' => 32400, + 'IRKT' => 28800, + 'IRST' => 12600, + 'JFDT' => -10800, + 'JFST' => -14400, + 'JST' => 32400, + 'KGST' => 21600, + 'KGT' => 18000, + 'KOST' => 39600, + 'KOVST' => 28800, + 'KOVT' => 25200, + 'KRAST' => 28800, + 'KRAT' => 25200, + 'KST' => 32400, + 'LHDT' => 39600, + 'LHST' => 37800, + 'LINT' => 50400, + 'LKT' => 21600, + 'MAGST' => 43200, + 'MAGT' => 39600, + 'MAWT' => 21600, + 'MDT' => -21600, + 'MESZ' => 7200, + 'MEZ' => 3600, + 'MHT' => 43200, + 'MIT' => -34200, + 'MNST' => 32400, + 'MSDT' => 14400, + 'MSST' => 10800, + 'MST' => -25200, + 'MUT' => 14400, + 'MVT' => 18000, + 'MYT' => 28800, + 'NCT' => 39600, + 'NDT' => -9000, + 'NFT' => 41400, + 'NMIT' => 36000, + 'NOVST' => 25200, + 'NOVT' => 21600, + 'NPT' => 20700, + 'NRT' => 43200, + 'NST' => -12600, + 'NUT' => -39600, + 'NZDT' => 46800, + 'NZST' => 43200, + 'OMSST' => 25200, + 'OMST' => 21600, + 'PDT' => -25200, + 'PET' => -18000, + 'PETST' => 46800, + 'PETT' => 43200, + 'PGT' => 36000, + 'PHOT' => 46800, + 'PHT' => 28800, + 'PKT' => 18000, + 'PMDT' => -7200, + 'PMST' => -10800, + 'PONT' => 39600, + 'PST' => -28800, + 'PWT' => 32400, + 'PYST' => -10800, + 'PYT' => -14400, + 'RET' => 14400, + 'ROTT' => -10800, + 'SAMST' => 18000, + 'SAMT' => 14400, + 'SAST' => 7200, + 'SBT' => 39600, + 'SCDT' => 46800, + 'SCST' => 43200, + 'SCT' => 14400, + 'SEST' => 3600, + 'SGT' => 28800, + 'SIT' => 28800, + 'SRT' => -10800, + 'SST' => -39600, + 'SYST' => 10800, + 'SYT' => 7200, + 'TFT' => 18000, + 'THAT' => -36000, + 'TJT' => 18000, + 'TKT' => -36000, + 'TMT' => 18000, + 'TOT' => 46800, + 'TPT' => 32400, + 'TRUT' => 36000, + 'TVT' => 43200, + 'TWT' => 28800, + 'UYST' => -7200, + 'UYT' => -10800, + 'UZT' => 18000, + 'VET' => -14400, + 'VLAST' => 39600, + 'VLAT' => 36000, + 'VOST' => 21600, + 'VUT' => 39600, + 'WAST' => 7200, + 'WAT' => 3600, + 'WDT' => 32400, + 'WEST' => 3600, + 'WFT' => 43200, + 'WIB' => 25200, + 'WIT' => 32400, + 'WITA' => 28800, + 'WKST' => 18000, + 'WST' => 28800, + 'YAKST' => 36000, + 'YAKT' => 32400, + 'YAPT' => 36000, + 'YEKST' => 21600, + 'YEKT' => 18000, + ); + + /** + * Cached PCRE for SimplePie_Parse_Date::$day + * + * @access protected + * @var string + */ + var $day_pcre; + + /** + * Cached PCRE for SimplePie_Parse_Date::$month + * + * @access protected + * @var string + */ + var $month_pcre; + + /** + * Array of user-added callback methods + * + * @access private + * @var array + */ + var $built_in = array(); + + /** + * Array of user-added callback methods + * + * @access private + * @var array + */ + var $user = array(); + + /** + * Create new SimplePie_Parse_Date object, and set self::day_pcre, + * self::month_pcre, and self::built_in + * + * @access private + */ + public function __construct() + { + $this->day_pcre = '(' . implode(array_keys($this->day), '|') . ')'; + $this->month_pcre = '(' . implode(array_keys($this->month), '|') . ')'; + + static $cache; + if (!isset($cache[get_class($this)])) + { + $all_methods = get_class_methods($this); + + foreach ($all_methods as $method) + { + if (strtolower(substr($method, 0, 5)) === 'date_') + { + $cache[get_class($this)][] = $method; + } + } + } + + foreach ($cache[get_class($this)] as $method) + { + $this->built_in[] = $method; + } + } + + /** + * Get the object + * + * @access public + */ + public static function get() + { + static $object; + if (!$object) + { + $object = new SimplePie_Parse_Date; + } + return $object; + } + + /** + * Parse a date + * + * @final + * @access public + * @param string $date Date to parse + * @return int Timestamp corresponding to date string, or false on failure + */ + public function parse($date) + { + foreach ($this->user as $method) + { + if (($returned = call_user_func($method, $date)) !== false) + { + return $returned; + } + } + + foreach ($this->built_in as $method) + { + if (($returned = call_user_func(array($this, $method), $date)) !== false) + { + return $returned; + } + } + + return false; + } + + /** + * Add a callback method to parse a date + * + * @final + * @access public + * @param callback $callback + */ + public function add_callback($callback) + { + if (is_callable($callback)) + { + $this->user[] = $callback; + } + else + { + trigger_error('User-supplied function must be a valid callback', E_USER_WARNING); + } + } + + /** + * Parse a superset of W3C-DTF (allows hyphens and colons to be omitted, as + * well as allowing any of upper or lower case "T", horizontal tabs, or + * spaces to be used as the time separator (including more than one)) + * + * @access protected + * @return int Timestamp + */ + public function date_w3cdtf($date) + { + static $pcre; + if (!$pcre) + { + $year = '([0-9]{4})'; + $month = $day = $hour = $minute = $second = '([0-9]{2})'; + $decimal = '([0-9]*)'; + $zone = '(?:(Z)|([+\-])([0-9]{1,2}):?([0-9]{1,2}))'; + $pcre = '/^' . $year . '(?:-?' . $month . '(?:-?' . $day . '(?:[Tt\x09\x20]+' . $hour . '(?::?' . $minute . '(?::?' . $second . '(?:.' . $decimal . ')?)?)?' . $zone . ')?)?)?$/'; + } + if (preg_match($pcre, $date, $match)) + { + /* + Capturing subpatterns: + 1: Year + 2: Month + 3: Day + 4: Hour + 5: Minute + 6: Second + 7: Decimal fraction of a second + 8: Zulu + 9: Timezone ± + 10: Timezone hours + 11: Timezone minutes + */ + + // Fill in empty matches + for ($i = count($match); $i <= 3; $i++) + { + $match[$i] = '1'; + } + + for ($i = count($match); $i <= 7; $i++) + { + $match[$i] = '0'; + } + + // Numeric timezone + if (isset($match[9]) && $match[9] !== '') + { + $timezone = $match[10] * 3600; + $timezone += $match[11] * 60; + if ($match[9] === '-') + { + $timezone = 0 - $timezone; + } + } + else + { + $timezone = 0; + } + + // Convert the number of seconds to an integer, taking decimals into account + $second = round((int)$match[6] + (int)$match[7] / pow(10, strlen($match[7]))); + + return gmmktime($match[4], $match[5], $second, $match[2], $match[3], $match[1]) - $timezone; + } + + return false; + } + + /** + * Remove RFC822 comments + * + * @access protected + * @param string $data Data to strip comments from + * @return string Comment stripped string + */ + public function remove_rfc2822_comments($string) + { + $string = (string) $string; + $position = 0; + $length = strlen($string); + $depth = 0; + + $output = ''; + + while ($position < $length && ($pos = strpos($string, '(', $position)) !== false) + { + $output .= substr($string, $position, $pos - $position); + $position = $pos + 1; + if ($pos === 0 || $string[$pos - 1] !== '\\') + { + $depth++; + while ($depth && $position < $length) + { + $position += strcspn($string, '()', $position); + if ($string[$position - 1] === '\\') + { + $position++; + continue; + } + elseif (isset($string[$position])) + { + switch ($string[$position]) + { + case '(': + $depth++; + break; + + case ')': + $depth--; + break; + } + $position++; + } + else + { + break; + } + } + } + else + { + $output .= '('; + } + } + $output .= substr($string, $position); + + return $output; + } + + /** + * Parse RFC2822's date format + * + * @access protected + * @return int Timestamp + */ + public function date_rfc2822($date) + { + static $pcre; + if (!$pcre) + { + $wsp = '[\x09\x20]'; + $fws = '(?:' . $wsp . '+|' . $wsp . '*(?:\x0D\x0A' . $wsp . '+)+)'; + $optional_fws = $fws . '?'; + $day_name = $this->day_pcre; + $month = $this->month_pcre; + $day = '([0-9]{1,2})'; + $hour = $minute = $second = '([0-9]{2})'; + $year = '([0-9]{2,4})'; + $num_zone = '([+\-])([0-9]{2})([0-9]{2})'; + $character_zone = '([A-Z]{1,5})'; + $zone = '(?:' . $num_zone . '|' . $character_zone . ')'; + $pcre = '/(?:' . $optional_fws . $day_name . $optional_fws . ',)?' . $optional_fws . $day . $fws . $month . $fws . $year . $fws . $hour . $optional_fws . ':' . $optional_fws . $minute . '(?:' . $optional_fws . ':' . $optional_fws . $second . ')?' . $fws . $zone . '/i'; + } + if (preg_match($pcre, $this->remove_rfc2822_comments($date), $match)) + { + /* + Capturing subpatterns: + 1: Day name + 2: Day + 3: Month + 4: Year + 5: Hour + 6: Minute + 7: Second + 8: Timezone ± + 9: Timezone hours + 10: Timezone minutes + 11: Alphabetic timezone + */ + + // Find the month number + $month = $this->month[strtolower($match[3])]; + + // Numeric timezone + if ($match[8] !== '') + { + $timezone = $match[9] * 3600; + $timezone += $match[10] * 60; + if ($match[8] === '-') + { + $timezone = 0 - $timezone; + } + } + // Character timezone + elseif (isset($this->timezone[strtoupper($match[11])])) + { + $timezone = $this->timezone[strtoupper($match[11])]; + } + // Assume everything else to be -0000 + else + { + $timezone = 0; + } + + // Deal with 2/3 digit years + if ($match[4] < 50) + { + $match[4] += 2000; + } + elseif ($match[4] < 1000) + { + $match[4] += 1900; + } + + // Second is optional, if it is empty set it to zero + if ($match[7] !== '') + { + $second = $match[7]; + } + else + { + $second = 0; + } + + return gmmktime($match[5], $match[6], $second, $month, $match[2], $match[4]) - $timezone; + } + + return false; + } + + /** + * Parse RFC850's date format + * + * @access protected + * @return int Timestamp + */ + public function date_rfc850($date) + { + static $pcre; + if (!$pcre) + { + $space = '[\x09\x20]+'; + $day_name = $this->day_pcre; + $month = $this->month_pcre; + $day = '([0-9]{1,2})'; + $year = $hour = $minute = $second = '([0-9]{2})'; + $zone = '([A-Z]{1,5})'; + $pcre = '/^' . $day_name . ',' . $space . $day . '-' . $month . '-' . $year . $space . $hour . ':' . $minute . ':' . $second . $space . $zone . '$/i'; + } + if (preg_match($pcre, $date, $match)) + { + /* + Capturing subpatterns: + 1: Day name + 2: Day + 3: Month + 4: Year + 5: Hour + 6: Minute + 7: Second + 8: Timezone + */ + + // Month + $month = $this->month[strtolower($match[3])]; + + // Character timezone + if (isset($this->timezone[strtoupper($match[8])])) + { + $timezone = $this->timezone[strtoupper($match[8])]; + } + // Assume everything else to be -0000 + else + { + $timezone = 0; + } + + // Deal with 2 digit year + if ($match[4] < 50) + { + $match[4] += 2000; + } + else + { + $match[4] += 1900; + } + + return gmmktime($match[5], $match[6], $match[7], $month, $match[2], $match[4]) - $timezone; + } + + return false; + } + + /** + * Parse C99's asctime()'s date format + * + * @access protected + * @return int Timestamp + */ + public function date_asctime($date) + { + static $pcre; + if (!$pcre) + { + $space = '[\x09\x20]+'; + $wday_name = $this->day_pcre; + $mon_name = $this->month_pcre; + $day = '([0-9]{1,2})'; + $hour = $sec = $min = '([0-9]{2})'; + $year = '([0-9]{4})'; + $terminator = '\x0A?\x00?'; + $pcre = '/^' . $wday_name . $space . $mon_name . $space . $day . $space . $hour . ':' . $min . ':' . $sec . $space . $year . $terminator . '$/i'; + } + if (preg_match($pcre, $date, $match)) + { + /* + Capturing subpatterns: + 1: Day name + 2: Month + 3: Day + 4: Hour + 5: Minute + 6: Second + 7: Year + */ + + $month = $this->month[strtolower($match[2])]; + return gmmktime($match[4], $match[5], $match[6], $month, $match[3], $match[7]); + } + + return false; + } + + /** + * Parse dates using strtotime() + * + * @access protected + * @return int Timestamp + */ + public function date_strtotime($date) + { + $strtotime = strtotime($date); + if ($strtotime === -1 || $strtotime === false) + { + return false; + } + + return $strtotime; + } +} diff --git a/lib/simplepie/library/SimplePie/Parser.php b/lib/simplepie/library/SimplePie/Parser.php new file mode 100644 index 000000000..3cef2287d --- /dev/null +++ b/lib/simplepie/library/SimplePie/Parser.php @@ -0,0 +1,661 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Parses XML into something sane + * + * + * This class can be overloaded with {@see SimplePie::set_parser_class()} + * + * @package SimplePie + * @subpackage Parsing + */ +class SimplePie_Parser +{ + var $error_code; + var $error_string; + var $current_line; + var $current_column; + var $current_byte; + var $separator = ' '; + var $namespace = array(''); + var $element = array(''); + var $xml_base = array(''); + var $xml_base_explicit = array(false); + var $xml_lang = array(''); + var $data = array(); + var $datas = array(array()); + var $current_xhtml_construct = -1; + var $encoding; + protected $registry; + + public function set_registry(SimplePie_Registry $registry) + { + $this->registry = $registry; + } + + public function parse(&$data, $encoding, $url = '') + { + if (class_exists('DOMXpath') && function_exists('Mf2\parse')) { + $doc = new DOMDocument(); + @$doc->loadHTML($data); + $xpath = new DOMXpath($doc); + // Check for both h-feed and h-entry, as both a feed with no entries + // and a list of entries without an h-feed wrapper are both valid. + $query = '//*[contains(concat(" ", @class, " "), " h-feed ") or '. + 'contains(concat(" ", @class, " "), " h-entry ")]'; + $result = $xpath->query($query); + if ($result->length !== 0) { + return $this->parse_microformats($data, $url); + } + } + + // Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character + if (strtoupper($encoding) === 'US-ASCII') + { + $this->encoding = 'UTF-8'; + } + else + { + $this->encoding = $encoding; + } + + // Strip BOM: + // UTF-32 Big Endian BOM + if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") + { + $data = substr($data, 4); + } + // UTF-32 Little Endian BOM + elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") + { + $data = substr($data, 4); + } + // UTF-16 Big Endian BOM + elseif (substr($data, 0, 2) === "\xFE\xFF") + { + $data = substr($data, 2); + } + // UTF-16 Little Endian BOM + elseif (substr($data, 0, 2) === "\xFF\xFE") + { + $data = substr($data, 2); + } + // UTF-8 BOM + elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") + { + $data = substr($data, 3); + } + + if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false) + { + $declaration = $this->registry->create('XML_Declaration_Parser', array(substr($data, 5, $pos - 5))); + if ($declaration->parse()) + { + $data = substr($data, $pos + 2); + $data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' ."\n". $this->declare_html_entities() . $data; + } + else + { + $this->error_string = 'SimplePie bug! Please report this!'; + return false; + } + } + + $return = true; + + static $xml_is_sane = null; + if ($xml_is_sane === null) + { + $parser_check = xml_parser_create(); + xml_parse_into_struct($parser_check, '<foo>&</foo>', $values); + xml_parser_free($parser_check); + $xml_is_sane = isset($values[0]['value']); + } + + // Create the parser + if ($xml_is_sane) + { + $xml = xml_parser_create_ns($this->encoding, $this->separator); + xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1); + xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0); + xml_set_object($xml, $this); + xml_set_character_data_handler($xml, 'cdata'); + xml_set_element_handler($xml, 'tag_open', 'tag_close'); + + // Parse! + if (!xml_parse($xml, $data, true)) + { + $this->error_code = xml_get_error_code($xml); + $this->error_string = xml_error_string($this->error_code); + $return = false; + } + $this->current_line = xml_get_current_line_number($xml); + $this->current_column = xml_get_current_column_number($xml); + $this->current_byte = xml_get_current_byte_index($xml); + xml_parser_free($xml); + return $return; + } + + libxml_clear_errors(); + $xml = new XMLReader(); + $xml->xml($data); + while (@$xml->read()) + { + switch ($xml->nodeType) + { + + case constant('XMLReader::END_ELEMENT'): + if ($xml->namespaceURI !== '') + { + $tagName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $tagName = $xml->localName; + } + $this->tag_close(null, $tagName); + break; + case constant('XMLReader::ELEMENT'): + $empty = $xml->isEmptyElement; + if ($xml->namespaceURI !== '') + { + $tagName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $tagName = $xml->localName; + } + $attributes = array(); + while ($xml->moveToNextAttribute()) + { + if ($xml->namespaceURI !== '') + { + $attrName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $attrName = $xml->localName; + } + $attributes[$attrName] = $xml->value; + } + $this->tag_open(null, $tagName, $attributes); + if ($empty) + { + $this->tag_close(null, $tagName); + } + break; + case constant('XMLReader::TEXT'): + + case constant('XMLReader::CDATA'): + $this->cdata(null, $xml->value); + break; + } + } + if ($error = libxml_get_last_error()) + { + $this->error_code = $error->code; + $this->error_string = $error->message; + $this->current_line = $error->line; + $this->current_column = $error->column; + return false; + } + + return true; + } + + public function get_error_code() + { + return $this->error_code; + } + + public function get_error_string() + { + return $this->error_string; + } + + public function get_current_line() + { + return $this->current_line; + } + + public function get_current_column() + { + return $this->current_column; + } + + public function get_current_byte() + { + return $this->current_byte; + } + + public function get_data() + { + return $this->data; + } + + public function tag_open($parser, $tag, $attributes) + { + list($this->namespace[], $this->element[]) = $this->split_ns($tag); + + $attribs = array(); + foreach ($attributes as $name => $value) + { + list($attrib_namespace, $attribute) = $this->split_ns($name); + $attribs[$attrib_namespace][$attribute] = $value; + } + + if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base'])) + { + $base = $this->registry->call('Misc', 'absolutize_url', array($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base))); + if ($base !== false) + { + $this->xml_base[] = $base; + $this->xml_base_explicit[] = true; + } + } + else + { + $this->xml_base[] = end($this->xml_base); + $this->xml_base_explicit[] = end($this->xml_base_explicit); + } + + if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang'])) + { + $this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang']; + } + else + { + $this->xml_lang[] = end($this->xml_lang); + } + + if ($this->current_xhtml_construct >= 0) + { + $this->current_xhtml_construct++; + if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML) + { + $this->data['data'] .= '<' . end($this->element); + if (isset($attribs[''])) + { + foreach ($attribs[''] as $name => $value) + { + $this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"'; + } + } + $this->data['data'] .= '>'; + } + } + else + { + $this->datas[] =& $this->data; + $this->data =& $this->data['child'][end($this->namespace)][end($this->element)][]; + $this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang)); + if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml') + || (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml') + || (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_20 && in_array(end($this->element), array('title'))) + || (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_090 && in_array(end($this->element), array('title'))) + || (end($this->namespace) === SIMPLEPIE_NAMESPACE_RSS_10 && in_array(end($this->element), array('title')))) + { + $this->current_xhtml_construct = 0; + } + } + } + + public function cdata($parser, $cdata) + { + if ($this->current_xhtml_construct >= 0) + { + $this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding); + } + else + { + $this->data['data'] .= $cdata; + } + } + + public function tag_close($parser, $tag) + { + if ($this->current_xhtml_construct >= 0) + { + $this->current_xhtml_construct--; + if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param'))) + { + $this->data['data'] .= '</' . end($this->element) . '>'; + } + } + if ($this->current_xhtml_construct === -1) + { + $this->data =& $this->datas[count($this->datas) - 1]; + array_pop($this->datas); + } + + array_pop($this->element); + array_pop($this->namespace); + array_pop($this->xml_base); + array_pop($this->xml_base_explicit); + array_pop($this->xml_lang); + } + + public function split_ns($string) + { + static $cache = array(); + if (!isset($cache[$string])) + { + if ($pos = strpos($string, $this->separator)) + { + static $separator_length; + if (!$separator_length) + { + $separator_length = strlen($this->separator); + } + $namespace = substr($string, 0, $pos); + $local_name = substr($string, $pos + $separator_length); + if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES) + { + $namespace = SIMPLEPIE_NAMESPACE_ITUNES; + } + + // Normalize the Media RSS namespaces + if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 ) + { + $namespace = SIMPLEPIE_NAMESPACE_MEDIARSS; + } + $cache[$string] = array($namespace, $local_name); + } + else + { + $cache[$string] = array('', $string); + } + } + return $cache[$string]; + } + + private function parse_hcard($data, $category = false) { + $name = ''; + $link = ''; + // Check if h-card is set and pass that information on in the link. + if (isset($data['type']) && in_array('h-card', $data['type'])) { + if (isset($data['properties']['name'][0])) { + $name = $data['properties']['name'][0]; + } + if (isset($data['properties']['url'][0])) { + $link = $data['properties']['url'][0]; + if ($name === '') { + $name = $link; + } + else { + // can't have commas in categories. + $name = str_replace(',', '', $name); + } + $person_tag = $category ? '<span class="person-tag"></span>' : ''; + return '<a class="h-card" href="'.$link.'">'.$person_tag.$name.'</a>'; + } + } + return isset($data['value']) ? $data['value'] : ''; + } + + private function parse_microformats(&$data, $url) { + $feed_title = ''; + $feed_author = NULL; + $author_cache = array(); + $items = array(); + $entries = array(); + $mf = Mf2\parse($data, $url); + // First look for an h-feed. + $h_feed = array(); + foreach ($mf['items'] as $mf_item) { + if (in_array('h-feed', $mf_item['type'])) { + $h_feed = $mf_item; + break; + } + // Also look for h-feed or h-entry in the children of each top level item. + if (!isset($mf_item['children'][0]['type'])) continue; + if (in_array('h-feed', $mf_item['children'][0]['type'])) { + $h_feed = $mf_item['children'][0]; + // In this case the parent of the h-feed may be an h-card, so use it as + // the feed_author. + if (in_array('h-card', $mf_item['type'])) $feed_author = $mf_item; + break; + } + else if (in_array('h-entry', $mf_item['children'][0]['type'])) { + $entries = $mf_item['children']; + // In this case the parent of the h-entry list may be an h-card, so use + // it as the feed_author. + if (in_array('h-card', $mf_item['type'])) $feed_author = $mf_item; + break; + } + } + if (isset($h_feed['children'])) { + $entries = $h_feed['children']; + // Also set the feed title and store author from the h-feed if available. + if (isset($mf['items'][0]['properties']['name'][0])) { + $feed_title = $mf['items'][0]['properties']['name'][0]; + } + if (isset($mf['items'][0]['properties']['author'][0])) { + $feed_author = $mf['items'][0]['properties']['author'][0]; + } + } + else if (count($entries) === 0) { + $entries = $mf['items']; + } + for ($i = 0; $i < count($entries); $i++) { + $entry = $entries[$i]; + if (in_array('h-entry', $entry['type'])) { + $item = array(); + $title = ''; + $description = ''; + if (isset($entry['properties']['url'][0])) { + $link = $entry['properties']['url'][0]; + if (isset($link['value'])) $link = $link['value']; + $item['link'] = array(array('data' => $link)); + } + if (isset($entry['properties']['uid'][0])) { + $guid = $entry['properties']['uid'][0]; + if (isset($guid['value'])) $guid = $guid['value']; + $item['guid'] = array(array('data' => $guid)); + } + if (isset($entry['properties']['name'][0])) { + $title = $entry['properties']['name'][0]; + if (isset($title['value'])) $title = $title['value']; + $item['title'] = array(array('data' => $title)); + } + if (isset($entry['properties']['author'][0]) || isset($feed_author)) { + // author is a special case, it can be plain text or an h-card array. + // If it's plain text it can also be a url that should be followed to + // get the actual h-card. + $author = isset($entry['properties']['author'][0]) ? + $entry['properties']['author'][0] : $feed_author; + if (!is_string($author)) { + $author = $this->parse_hcard($author); + } + else if (strpos($author, 'http') === 0) { + if (isset($author_cache[$author])) { + $author = $author_cache[$author]; + } + else { + $mf = Mf2\fetch($author); + foreach ($mf['items'] as $hcard) { + // Only interested in an h-card by itself in this case. + if (!in_array('h-card', $hcard['type'])) { + continue; + } + // It must have a url property matching what we fetched. + if (!isset($hcard['properties']['url']) || + !(in_array($author, $hcard['properties']['url']))) { + continue; + } + // Save parse_hcard the trouble of finding the correct url. + $hcard['properties']['url'][0] = $author; + // Cache this h-card for the next h-entry to check. + $author_cache[$author] = $this->parse_hcard($hcard); + $author = $author_cache[$author]; + break; + } + } + } + $item['author'] = array(array('data' => $author)); + } + if (isset($entry['properties']['photo'][0])) { + // If a photo is also in content, don't need to add it again here. + $content = ''; + if (isset($entry['properties']['content'][0]['html'])) { + $content = $entry['properties']['content'][0]['html']; + } + $photo_list = array(); + for ($j = 0; $j < count($entry['properties']['photo']); $j++) { + $photo = $entry['properties']['photo'][$j]; + if (!empty($photo) && strpos($content, $photo) === false) { + $photo_list[] = $photo; + } + } + // When there's more than one photo show the first and use a lightbox. + // Need a permanent, unique name for the image set, but don't have + // anything unique except for the content itself, so use that. + $count = count($photo_list); + if ($count > 1) { + $image_set_id = preg_replace('/[[:^alnum:]]/', '', $photo_list[0]); + $description = '<p>'; + for ($j = 0; $j < $count; $j++) { + $hidden = $j === 0 ? '' : 'class="hidden" '; + $description .= '<a href="'.$photo_list[$j].'" '.$hidden. + 'data-lightbox="image-set-'.$image_set_id.'">'. + '<img src="'.$photo_list[$j].'"></a>'; + } + $description .= '<br><b>'.$count.' photos</b></p>'; + } + else if ($count == 1) { + $description = '<p><img src="'.$photo_list[0].'"></p>'; + } + } + if (isset($entry['properties']['content'][0]['html'])) { + // e-content['value'] is the same as p-name when they are on the same + // element. Use this to replace title with a strip_tags version so + // that alt text from images is not included in the title. + if ($entry['properties']['content'][0]['value'] === $title) { + $title = strip_tags($entry['properties']['content'][0]['html']); + $item['title'] = array(array('data' => $title)); + } + $description .= $entry['properties']['content'][0]['html']; + if (isset($entry['properties']['in-reply-to'][0])) { + $in_reply_to = ''; + if (is_string($entry['properties']['in-reply-to'][0])) { + $in_reply_to = $entry['properties']['in-reply-to'][0]; + } + else if (isset($entry['properties']['in-reply-to'][0]['value'])) { + $in_reply_to = $entry['properties']['in-reply-to'][0]['value']; + } + if ($in_reply_to !== '') { + $description .= '<p><span class="in-reply-to"></span> '. + '<a href="'.$in_reply_to.'">'.$in_reply_to.'</a><p>'; + } + } + $item['description'] = array(array('data' => $description)); + } + if (isset($entry['properties']['category'])) { + $category_csv = ''; + // Categories can also contain h-cards. + foreach ($entry['properties']['category'] as $category) { + if ($category_csv !== '') $category_csv .= ', '; + if (is_string($category)) { + // Can't have commas in categories. + $category_csv .= str_replace(',', '', $category); + } + else { + $category_csv .= $this->parse_hcard($category, true); + } + } + $item['category'] = array(array('data' => $category_csv)); + } + if (isset($entry['properties']['published'][0])) { + $timestamp = strtotime($entry['properties']['published'][0]); + $pub_date = date('F j Y g:ia', $timestamp).' GMT'; + $item['pubDate'] = array(array('data' => $pub_date)); + } + // The title and description are set to the empty string to represent + // a deleted item (which also makes it an invalid rss item). + if (isset($entry['properties']['deleted'][0])) { + $item['title'] = array(array('data' => '')); + $item['description'] = array(array('data' => '')); + } + $items[] = array('child' => array('' => $item)); + } + } + // Mimic RSS data format when storing microformats. + $link = array(array('data' => $url)); + $image = ''; + if (!is_string($feed_author) && + isset($feed_author['properties']['photo'][0])) { + $image = array(array('child' => array('' => array('url' => + array(array('data' => $feed_author['properties']['photo'][0])))))); + } + // Use the name given for the h-feed, or get the title from the html. + if ($feed_title !== '') { + $feed_title = array(array('data' => htmlspecialchars($feed_title))); + } + else if ($position = strpos($data, '<title>')) { + $start = $position < 200 ? 0 : $position - 200; + $check = substr($data, $start, 400); + $matches = array(); + if (preg_match('/<title>(.+)<\/title>/', $check, $matches)) { + $feed_title = array(array('data' => htmlspecialchars($matches[1]))); + } + } + $channel = array('channel' => array(array('child' => array('' => + array('link' => $link, 'image' => $image, 'title' => $feed_title, + 'item' => $items))))); + $rss = array(array('attribs' => array('' => array('version' => '2.0')), + 'child' => array('' => $channel))); + $this->data = array('child' => array('' => array('rss' => $rss))); + return true; + } + + private function declare_html_entities() { + // This is required because the RSS specification says that entity-encoded + // html is allowed, but the xml specification says they must be declared. + return '<!DOCTYPE html [ <!ENTITY nbsp " "> <!ENTITY iexcl "¡"> <!ENTITY cent "¢"> <!ENTITY pound "£"> <!ENTITY curren "¤"> <!ENTITY yen "¥"> <!ENTITY brvbar "¦"> <!ENTITY sect "§"> <!ENTITY uml "¨"> <!ENTITY copy "©"> <!ENTITY ordf "ª"> <!ENTITY laquo "«"> <!ENTITY not "¬"> <!ENTITY shy "­"> <!ENTITY reg "®"> <!ENTITY macr "¯"> <!ENTITY deg "°"> <!ENTITY plusmn "±"> <!ENTITY sup2 "²"> <!ENTITY sup3 "³"> <!ENTITY acute "´"> <!ENTITY micro "µ"> <!ENTITY para "¶"> <!ENTITY middot "·"> <!ENTITY cedil "¸"> <!ENTITY sup1 "¹"> <!ENTITY ordm "º"> <!ENTITY raquo "»"> <!ENTITY frac14 "¼"> <!ENTITY frac12 "½"> <!ENTITY frac34 "¾"> <!ENTITY iquest "¿"> <!ENTITY Agrave "À"> <!ENTITY Aacute "Á"> <!ENTITY Acirc "Â"> <!ENTITY Atilde "Ã"> <!ENTITY Auml "Ä"> <!ENTITY Aring "Å"> <!ENTITY AElig "Æ"> <!ENTITY Ccedil "Ç"> <!ENTITY Egrave "È"> <!ENTITY Eacute "É"> <!ENTITY Ecirc "Ê"> <!ENTITY Euml "Ë"> <!ENTITY Igrave "Ì"> <!ENTITY Iacute "Í"> <!ENTITY Icirc "Î"> <!ENTITY Iuml "Ï"> <!ENTITY ETH "Ð"> <!ENTITY Ntilde "Ñ"> <!ENTITY Ograve "Ò"> <!ENTITY Oacute "Ó"> <!ENTITY Ocirc "Ô"> <!ENTITY Otilde "Õ"> <!ENTITY Ouml "Ö"> <!ENTITY times "×"> <!ENTITY Oslash "Ø"> <!ENTITY Ugrave "Ù"> <!ENTITY Uacute "Ú"> <!ENTITY Ucirc "Û"> <!ENTITY Uuml "Ü"> <!ENTITY Yacute "Ý"> <!ENTITY THORN "Þ"> <!ENTITY szlig "ß"> <!ENTITY agrave "à"> <!ENTITY aacute "á"> <!ENTITY acirc "â"> <!ENTITY atilde "ã"> <!ENTITY auml "ä"> <!ENTITY aring "å"> <!ENTITY aelig "æ"> <!ENTITY ccedil "ç"> <!ENTITY egrave "è"> <!ENTITY eacute "é"> <!ENTITY ecirc "ê"> <!ENTITY euml "ë"> <!ENTITY igrave "ì"> <!ENTITY iacute "í"> <!ENTITY icirc "î"> <!ENTITY iuml "ï"> <!ENTITY eth "ð"> <!ENTITY ntilde "ñ"> <!ENTITY ograve "ò"> <!ENTITY oacute "ó"> <!ENTITY ocirc "ô"> <!ENTITY otilde "õ"> <!ENTITY ouml "ö"> <!ENTITY divide "÷"> <!ENTITY oslash "ø"> <!ENTITY ugrave "ù"> <!ENTITY uacute "ú"> <!ENTITY ucirc "û"> <!ENTITY uuml "ü"> <!ENTITY yacute "ý"> <!ENTITY thorn "þ"> <!ENTITY yuml "ÿ"> <!ENTITY OElig "Œ"> <!ENTITY oelig "œ"> <!ENTITY Scaron "Š"> <!ENTITY scaron "š"> <!ENTITY Yuml "Ÿ"> <!ENTITY fnof "ƒ"> <!ENTITY circ "ˆ"> <!ENTITY tilde "˜"> <!ENTITY Alpha "Α"> <!ENTITY Beta "Β"> <!ENTITY Gamma "Γ"> <!ENTITY Epsilon "Ε"> <!ENTITY Zeta "Ζ"> <!ENTITY Eta "Η"> <!ENTITY Theta "Θ"> <!ENTITY Iota "Ι"> <!ENTITY Kappa "Κ"> <!ENTITY Lambda "Λ"> <!ENTITY Mu "Μ"> <!ENTITY Nu "Ν"> <!ENTITY Xi "Ξ"> <!ENTITY Omicron "Ο"> <!ENTITY Pi "Π"> <!ENTITY Rho "Ρ"> <!ENTITY Sigma "Σ"> <!ENTITY Tau "Τ"> <!ENTITY Upsilon "Υ"> <!ENTITY Phi "Φ"> <!ENTITY Chi "Χ"> <!ENTITY Psi "Ψ"> <!ENTITY Omega "Ω"> <!ENTITY alpha "α"> <!ENTITY beta "β"> <!ENTITY gamma "γ"> <!ENTITY delta "δ"> <!ENTITY epsilon "ε"> <!ENTITY zeta "ζ"> <!ENTITY eta "η"> <!ENTITY theta "θ"> <!ENTITY iota "ι"> <!ENTITY kappa "κ"> <!ENTITY lambda "λ"> <!ENTITY mu "μ"> <!ENTITY nu "ν"> <!ENTITY xi "ξ"> <!ENTITY omicron "ο"> <!ENTITY pi "π"> <!ENTITY rho "ρ"> <!ENTITY sigmaf "ς"> <!ENTITY sigma "σ"> <!ENTITY tau "τ"> <!ENTITY upsilon "υ"> <!ENTITY phi "φ"> <!ENTITY chi "χ"> <!ENTITY psi "ψ"> <!ENTITY omega "ω"> <!ENTITY thetasym "ϑ"> <!ENTITY upsih "ϒ"> <!ENTITY piv "ϖ"> <!ENTITY ensp " "> <!ENTITY emsp " "> <!ENTITY thinsp " "> <!ENTITY zwnj "‌"> <!ENTITY zwj "‍"> <!ENTITY lrm "‎"> <!ENTITY rlm "‏"> <!ENTITY ndash "–"> <!ENTITY mdash "—"> <!ENTITY lsquo "‘"> <!ENTITY rsquo "’"> <!ENTITY sbquo "‚"> <!ENTITY ldquo "“"> <!ENTITY rdquo "”"> <!ENTITY bdquo "„"> <!ENTITY dagger "†"> <!ENTITY Dagger "‡"> <!ENTITY bull "•"> <!ENTITY hellip "…"> <!ENTITY permil "‰"> <!ENTITY prime "′"> <!ENTITY Prime "″"> <!ENTITY lsaquo "‹"> <!ENTITY rsaquo "›"> <!ENTITY oline "‾"> <!ENTITY frasl "⁄"> <!ENTITY euro "€"> <!ENTITY image "ℑ"> <!ENTITY weierp "℘"> <!ENTITY real "ℜ"> <!ENTITY trade "™"> <!ENTITY alefsym "ℵ"> <!ENTITY larr "←"> <!ENTITY uarr "↑"> <!ENTITY rarr "→"> <!ENTITY darr "↓"> <!ENTITY harr "↔"> <!ENTITY crarr "↵"> <!ENTITY lArr "⇐"> <!ENTITY uArr "⇑"> <!ENTITY rArr "⇒"> <!ENTITY dArr "⇓"> <!ENTITY hArr "⇔"> <!ENTITY forall "∀"> <!ENTITY part "∂"> <!ENTITY exist "∃"> <!ENTITY empty "∅"> <!ENTITY nabla "∇"> <!ENTITY isin "∈"> <!ENTITY notin "∉"> <!ENTITY ni "∋"> <!ENTITY prod "∏"> <!ENTITY sum "∑"> <!ENTITY minus "−"> <!ENTITY lowast "∗"> <!ENTITY radic "√"> <!ENTITY prop "∝"> <!ENTITY infin "∞"> <!ENTITY ang "∠"> <!ENTITY and "∧"> <!ENTITY or "∨"> <!ENTITY cap "∩"> <!ENTITY cup "∪"> <!ENTITY int "∫"> <!ENTITY there4 "∴"> <!ENTITY sim "∼"> <!ENTITY cong "≅"> <!ENTITY asymp "≈"> <!ENTITY ne "≠"> <!ENTITY equiv "≡"> <!ENTITY le "≤"> <!ENTITY ge "≥"> <!ENTITY sub "⊂"> <!ENTITY sup "⊃"> <!ENTITY nsub "⊄"> <!ENTITY sube "⊆"> <!ENTITY supe "⊇"> <!ENTITY oplus "⊕"> <!ENTITY otimes "⊗"> <!ENTITY perp "⊥"> <!ENTITY sdot "⋅"> <!ENTITY lceil "⌈"> <!ENTITY rceil "⌉"> <!ENTITY lfloor "⌊"> <!ENTITY rfloor "⌋"> <!ENTITY lang "〈"> <!ENTITY rang "〉"> <!ENTITY loz "◊"> <!ENTITY spades "♠"> <!ENTITY clubs "♣"> <!ENTITY hearts "♥"> <!ENTITY diams "♦"> ]>'; + } +} diff --git a/lib/simplepie/library/SimplePie/Rating.php b/lib/simplepie/library/SimplePie/Rating.php new file mode 100644 index 000000000..108dd22bf --- /dev/null +++ b/lib/simplepie/library/SimplePie/Rating.php @@ -0,0 +1,124 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Handles `<media:rating>` or `<itunes:explicit>` tags as defined in Media RSS and iTunes RSS respectively + * + * Used by {@see SimplePie_Enclosure::get_rating()} and {@see SimplePie_Enclosure::get_ratings()} + * + * This class can be overloaded with {@see SimplePie::set_rating_class()} + * + * @package SimplePie + * @subpackage API + */ +class SimplePie_Rating +{ + /** + * Rating scheme + * + * @var string + * @see get_scheme() + */ + var $scheme; + + /** + * Rating value + * + * @var string + * @see get_value() + */ + var $value; + + /** + * Constructor, used to input the data + * + * For documentation on all the parameters, see the corresponding + * properties and their accessors + */ + public function __construct($scheme = null, $value = null) + { + $this->scheme = $scheme; + $this->value = $value; + } + + /** + * String-ified version + * + * @return string + */ + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + /** + * Get the organizational scheme for the rating + * + * @return string|null + */ + public function get_scheme() + { + if ($this->scheme !== null) + { + return $this->scheme; + } + + return null; + } + + /** + * Get the value of the rating + * + * @return string|null + */ + public function get_value() + { + if ($this->value !== null) + { + return $this->value; + } + + return null; + } +} diff --git a/lib/simplepie/library/SimplePie/Registry.php b/lib/simplepie/library/SimplePie/Registry.php new file mode 100755 index 000000000..e0909bb74 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Registry.php @@ -0,0 +1,224 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Handles creating objects and calling methods + * + * Access this via {@see SimplePie::get_registry()} + * + * @package SimplePie + */ +class SimplePie_Registry +{ + /** + * Default class mapping + * + * Overriding classes *must* subclass these. + * + * @var array + */ + protected $default = array( + 'Cache' => 'SimplePie_Cache', + 'Locator' => 'SimplePie_Locator', + 'Parser' => 'SimplePie_Parser', + 'File' => 'SimplePie_File', + 'Sanitize' => 'SimplePie_Sanitize', + 'Item' => 'SimplePie_Item', + 'Author' => 'SimplePie_Author', + 'Category' => 'SimplePie_Category', + 'Enclosure' => 'SimplePie_Enclosure', + 'Caption' => 'SimplePie_Caption', + 'Copyright' => 'SimplePie_Copyright', + 'Credit' => 'SimplePie_Credit', + 'Rating' => 'SimplePie_Rating', + 'Restriction' => 'SimplePie_Restriction', + 'Content_Type_Sniffer' => 'SimplePie_Content_Type_Sniffer', + 'Source' => 'SimplePie_Source', + 'Misc' => 'SimplePie_Misc', + 'XML_Declaration_Parser' => 'SimplePie_XML_Declaration_Parser', + 'Parse_Date' => 'SimplePie_Parse_Date', + ); + + /** + * Class mapping + * + * @see register() + * @var array + */ + protected $classes = array(); + + /** + * Legacy classes + * + * @see register() + * @var array + */ + protected $legacy = array(); + + /** + * Constructor + * + * No-op + */ + public function __construct() { } + + /** + * Register a class + * + * @param string $type See {@see $default} for names + * @param string $class Class name, must subclass the corresponding default + * @param bool $legacy Whether to enable legacy support for this class + * @return bool Successfulness + */ + public function register($type, $class, $legacy = false) + { + if (!@is_subclass_of($class, $this->default[$type])) + { + return false; + } + + $this->classes[$type] = $class; + + if ($legacy) + { + $this->legacy[] = $class; + } + + return true; + } + + /** + * Get the class registered for a type + * + * Where possible, use {@see create()} or {@see call()} instead + * + * @param string $type + * @return string|null + */ + public function get_class($type) + { + if (!empty($this->classes[$type])) + { + return $this->classes[$type]; + } + if (!empty($this->default[$type])) + { + return $this->default[$type]; + } + + return null; + } + + /** + * Create a new instance of a given type + * + * @param string $type + * @param array $parameters Parameters to pass to the constructor + * @return object Instance of class + */ + public function &create($type, $parameters = array()) + { + $class = $this->get_class($type); + + if (in_array($class, $this->legacy)) + { + switch ($type) + { + case 'locator': + // Legacy: file, timeout, useragent, file_class, max_checked_feeds, content_type_sniffer_class + // Specified: file, timeout, useragent, max_checked_feeds + $replacement = array($this->get_class('file'), $parameters[3], $this->get_class('content_type_sniffer')); + array_splice($parameters, 3, 1, $replacement); + break; + } + } + + if (!method_exists($class, '__construct')) + { + $instance = new $class; + } + else + { + $reflector = new ReflectionClass($class); + $instance = $reflector->newInstanceArgs($parameters); + } + + if (method_exists($instance, 'set_registry')) + { + $instance->set_registry($this); + } + return $instance; + } + + /** + * Call a static method for a type + * + * @param string $type + * @param string $method + * @param array $parameters + * @return mixed + */ + public function &call($type, $method, $parameters = array()) + { + $class = $this->get_class($type); + + if (in_array($class, $this->legacy)) + { + switch ($type) + { + case 'Cache': + // For backwards compatibility with old non-static + // Cache::create() methods + if ($method === 'get_handler') + { + $result = @call_user_func_array(array($class, 'create'), $parameters); + return $result; + } + break; + } + } + + $result = call_user_func_array(array($class, $method), $parameters); + return $result; + } +} diff --git a/lib/simplepie/library/SimplePie/Restriction.php b/lib/simplepie/library/SimplePie/Restriction.php new file mode 100644 index 000000000..803d84fde --- /dev/null +++ b/lib/simplepie/library/SimplePie/Restriction.php @@ -0,0 +1,148 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Handles `<media:restriction>` as defined in Media RSS + * + * Used by {@see SimplePie_Enclosure::get_restriction()} and {@see SimplePie_Enclosure::get_restrictions()} + * + * This class can be overloaded with {@see SimplePie::set_restriction_class()} + * + * @package SimplePie + * @subpackage API + */ +class SimplePie_Restriction +{ + /** + * Relationship ('allow'/'deny') + * + * @var string + * @see get_relationship() + */ + var $relationship; + + /** + * Type of restriction + * + * @var string + * @see get_type() + */ + var $type; + + /** + * Restricted values + * + * @var string + * @see get_value() + */ + var $value; + + /** + * Constructor, used to input the data + * + * For documentation on all the parameters, see the corresponding + * properties and their accessors + */ + public function __construct($relationship = null, $type = null, $value = null) + { + $this->relationship = $relationship; + $this->type = $type; + $this->value = $value; + } + + /** + * String-ified version + * + * @return string + */ + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + /** + * Get the relationship + * + * @return string|null Either 'allow' or 'deny' + */ + public function get_relationship() + { + if ($this->relationship !== null) + { + return $this->relationship; + } + + return null; + } + + /** + * Get the type + * + * @return string|null + */ + public function get_type() + { + if ($this->type !== null) + { + return $this->type; + } + + return null; + } + + /** + * Get the list of restricted things + * + * @return string|null + */ + public function get_value() + { + if ($this->value !== null) + { + return $this->value; + } + + return null; + } +} diff --git a/lib/simplepie/library/SimplePie/Sanitize.php b/lib/simplepie/library/SimplePie/Sanitize.php new file mode 100644 index 000000000..40b066266 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Sanitize.php @@ -0,0 +1,591 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Used for data cleanup and post-processing + * + * + * This class can be overloaded with {@see SimplePie::set_sanitize_class()} + * + * @package SimplePie + * @todo Move to using an actual HTML parser (this will allow tags to be properly stripped, and to switch between HTML and XHTML), this will also make it easier to shorten a string while preserving HTML tags + */ +class SimplePie_Sanitize +{ + // Private vars + var $base; + + // Options + var $remove_div = true; + var $image_handler = ''; + var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'); + var $encode_instead_of_strip = false; + var $strip_attributes = array('bgsound', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc'); + var $add_attributes = array('audio' => array('preload' => 'none'), 'iframe' => array('sandbox' => 'allow-scripts allow-same-origin'), 'video' => array('preload' => 'none')); + var $strip_comments = false; + var $output_encoding = 'UTF-8'; + var $enable_cache = true; + var $cache_location = './cache'; + var $cache_name_function = 'md5'; + var $timeout = 10; + var $useragent = ''; + var $force_fsockopen = false; + var $replace_url_attributes = null; + + public function __construct() + { + // Set defaults + $this->set_url_replacements(null); + } + + public function remove_div($enable = true) + { + $this->remove_div = (bool) $enable; + } + + public function set_image_handler($page = false) + { + if ($page) + { + $this->image_handler = (string) $page; + } + else + { + $this->image_handler = false; + } + } + + public function set_registry(SimplePie_Registry $registry) + { + $this->registry = $registry; + } + + public function pass_cache_data($enable_cache = true, $cache_location = './cache', $cache_name_function = 'md5', $cache_class = 'SimplePie_Cache') + { + if (isset($enable_cache)) + { + $this->enable_cache = (bool) $enable_cache; + } + + if ($cache_location) + { + $this->cache_location = (string) $cache_location; + } + + if ($cache_name_function) + { + $this->cache_name_function = (string) $cache_name_function; + } + } + + public function pass_file_data($file_class = 'SimplePie_File', $timeout = 10, $useragent = '', $force_fsockopen = false) + { + if ($timeout) + { + $this->timeout = (string) $timeout; + } + + if ($useragent) + { + $this->useragent = (string) $useragent; + } + + if ($force_fsockopen) + { + $this->force_fsockopen = (string) $force_fsockopen; + } + } + + public function strip_htmltags($tags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style')) + { + if ($tags) + { + if (is_array($tags)) + { + $this->strip_htmltags = $tags; + } + else + { + $this->strip_htmltags = explode(',', $tags); + } + } + else + { + $this->strip_htmltags = false; + } + } + + public function encode_instead_of_strip($encode = false) + { + $this->encode_instead_of_strip = (bool) $encode; + } + + public function strip_attributes($attribs = array('bgsound', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc')) + { + if ($attribs) + { + if (is_array($attribs)) + { + $this->strip_attributes = $attribs; + } + else + { + $this->strip_attributes = explode(',', $attribs); + } + } + else + { + $this->strip_attributes = false; + } + } + + public function add_attributes($attribs = array('audio' => array('preload' => 'none'), 'iframe' => array('sandbox' => 'allow-scripts allow-same-origin'), 'video' => array('preload' => 'none'))) + { + if ($attribs) + { + if (is_array($attribs)) + { + $this->add_attributes = $attribs; + } + else + { + $this->add_attributes = explode(',', $attribs); + } + } + else + { + $this->add_attributes = false; + } + } + + public function strip_comments($strip = false) + { + $this->strip_comments = (bool) $strip; + } + + public function set_output_encoding($encoding = 'UTF-8') + { + $this->output_encoding = (string) $encoding; + } + + /** + * Set element/attribute key/value pairs of HTML attributes + * containing URLs that need to be resolved relative to the feed + * + * Defaults to |a|@href, |area|@href, |blockquote|@cite, |del|@cite, + * |form|@action, |img|@longdesc, |img|@src, |input|@src, |ins|@cite, + * |q|@cite + * + * @since 1.0 + * @param array|null $element_attribute Element/attribute key/value pairs, null for default + */ + public function set_url_replacements($element_attribute = null) + { + if ($element_attribute === null) + { + $element_attribute = array( + 'a' => 'href', + 'area' => 'href', + 'blockquote' => 'cite', + 'del' => 'cite', + 'form' => 'action', + 'img' => array( + 'longdesc', + 'src' + ), + 'input' => 'src', + 'ins' => 'cite', + 'q' => 'cite' + ); + } + $this->replace_url_attributes = (array) $element_attribute; + } + + public function sanitize($data, $type, $base = '') + { + $data = trim($data); + if ($data !== '' || $type & SIMPLEPIE_CONSTRUCT_IRI) + { + if ($type & SIMPLEPIE_CONSTRUCT_MAYBE_HTML) + { + if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data)) + { + $type |= SIMPLEPIE_CONSTRUCT_HTML; + } + else + { + $type |= SIMPLEPIE_CONSTRUCT_TEXT; + } + } + + if ($type & SIMPLEPIE_CONSTRUCT_BASE64) + { + $data = base64_decode($data); + } + + if ($type & (SIMPLEPIE_CONSTRUCT_HTML | SIMPLEPIE_CONSTRUCT_XHTML)) + { + + if (!class_exists('DOMDocument')) + { + throw new SimplePie_Exception('DOMDocument not found, unable to use sanitizer'); + } + $document = new DOMDocument(); + $document->encoding = 'UTF-8'; + + $data = $this->preprocess($data, $type); + + set_error_handler(array('SimplePie_Misc', 'silence_errors')); + $document->loadHTML($data); + restore_error_handler(); + + $xpath = new DOMXPath($document); + + // Strip comments + if ($this->strip_comments) + { + $comments = $xpath->query('//comment()'); + + foreach ($comments as $comment) + { + $comment->parentNode->removeChild($comment); + } + } + + // Strip out HTML tags and attributes that might cause various security problems. + // Based on recommendations by Mark Pilgrim at: + // http://diveintomark.org/archives/2003/06/12/how_to_consume_rss_safely + if ($this->strip_htmltags) + { + foreach ($this->strip_htmltags as $tag) + { + $this->strip_tag($tag, $document, $xpath, $type); + } + } + + if ($this->strip_attributes) + { + foreach ($this->strip_attributes as $attrib) + { + $this->strip_attr($attrib, $xpath); + } + } + + if ($this->add_attributes) + { + foreach ($this->add_attributes as $tag => $valuePairs) + { + $this->add_attr($tag, $valuePairs, $document); + } + } + + // Replace relative URLs + $this->base = $base; + foreach ($this->replace_url_attributes as $element => $attributes) + { + $this->replace_urls($document, $element, $attributes); + } + + // If image handling (caching, etc.) is enabled, cache and rewrite all the image tags. + if (isset($this->image_handler) && ((string) $this->image_handler) !== '' && $this->enable_cache) + { + $images = $document->getElementsByTagName('img'); + foreach ($images as $img) + { + if ($img->hasAttribute('src')) + { + $image_url = call_user_func($this->cache_name_function, $img->getAttribute('src')); + $cache = $this->registry->call('Cache', 'get_handler', array($this->cache_location, $image_url, 'spi')); + + if ($cache->load()) + { + $img->setAttribute('src', $this->image_handler . $image_url); + } + else + { + $file = $this->registry->create('File', array($img->getAttribute('src'), $this->timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent, $this->force_fsockopen)); + $headers = $file->headers; + + if ($file->success && ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300))) + { + if ($cache->save(array('headers' => $file->headers, 'body' => $file->body))) + { + $img->setAttribute('src', $this->image_handler . $image_url); + } + else + { + trigger_error("$this->cache_location is not writable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); + } + } + } + } + } + } + + // Get content node + $div = $document->getElementsByTagName('body')->item(0)->firstChild; + // Finally, convert to a HTML string + if (version_compare(PHP_VERSION, '5.3.6', '>=')) + { + $data = trim($document->saveHTML($div)); + } + else + { + $data = trim($document->saveXML($div)); + } + + if ($this->remove_div) + { + $data = preg_replace('/^<div' . SIMPLEPIE_PCRE_XML_ATTRIBUTE . '>/', '', $data); + $data = preg_replace('/<\/div>$/', '', $data); + } + else + { + $data = preg_replace('/^<div' . SIMPLEPIE_PCRE_XML_ATTRIBUTE . '>/', '<div>', $data); + } + } + + if ($type & SIMPLEPIE_CONSTRUCT_IRI) + { + $absolute = $this->registry->call('Misc', 'absolutize_url', array($data, $base)); + if ($absolute !== false) + { + $data = $absolute; + } + } + + if ($type & (SIMPLEPIE_CONSTRUCT_TEXT | SIMPLEPIE_CONSTRUCT_IRI)) + { + $data = htmlspecialchars($data, ENT_COMPAT, 'UTF-8'); + } + + if ($this->output_encoding !== 'UTF-8') + { + $data = $this->registry->call('Misc', 'change_encoding', array($data, 'UTF-8', $this->output_encoding)); + } + } + return $data; + } + + protected function preprocess($html, $type) + { + $ret = ''; + $html = preg_replace('%</?(?:html|body)[^>]*?'.'>%is', '', $html); + if ($type & ~SIMPLEPIE_CONSTRUCT_XHTML) + { + // Atom XHTML constructs are wrapped with a div by default + // Note: No protection if $html contains a stray </div>! + $html = '<div>' . $html . '</div>'; + $ret .= '<!DOCTYPE html>'; + $content_type = 'text/html'; + } + else + { + $ret .= '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'; + $content_type = 'application/xhtml+xml'; + } + + $ret .= '<html><head>'; + $ret .= '<meta http-equiv="Content-Type" content="' . $content_type . '; charset=utf-8" />'; + $ret .= '</head><body>' . $html . '</body></html>'; + return $ret; + } + + public function replace_urls($document, $tag, $attributes) + { + if (!is_array($attributes)) + { + $attributes = array($attributes); + } + + if (!is_array($this->strip_htmltags) || !in_array($tag, $this->strip_htmltags)) + { + $elements = $document->getElementsByTagName($tag); + foreach ($elements as $element) + { + foreach ($attributes as $attribute) + { + if ($element->hasAttribute($attribute)) + { + $value = $this->registry->call('Misc', 'absolutize_url', array($element->getAttribute($attribute), $this->base)); + if ($value !== false) + { + $element->setAttribute($attribute, $value); + } + } + } + } + } + } + + public function do_strip_htmltags($match) + { + if ($this->encode_instead_of_strip) + { + if (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style'))) + { + $match[1] = htmlspecialchars($match[1], ENT_COMPAT, 'UTF-8'); + $match[2] = htmlspecialchars($match[2], ENT_COMPAT, 'UTF-8'); + return "<$match[1]$match[2]>$match[3]</$match[1]>"; + } + else + { + return htmlspecialchars($match[0], ENT_COMPAT, 'UTF-8'); + } + } + elseif (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style'))) + { + return $match[4]; + } + else + { + return ''; + } + } + + protected function strip_tag($tag, $document, $xpath, $type) + { + $elements = $xpath->query('body//' . $tag); + if ($this->encode_instead_of_strip) + { + foreach ($elements as $element) + { + $fragment = $document->createDocumentFragment(); + + // For elements which aren't script or style, include the tag itself + if (!in_array($tag, array('script', 'style'))) + { + $text = '<' . $tag; + if ($element->hasAttributes()) + { + $attrs = array(); + foreach ($element->attributes as $name => $attr) + { + $value = $attr->value; + + // In XHTML, empty values should never exist, so we repeat the value + if (empty($value) && ($type & SIMPLEPIE_CONSTRUCT_XHTML)) + { + $value = $name; + } + // For HTML, empty is fine + elseif (empty($value) && ($type & SIMPLEPIE_CONSTRUCT_HTML)) + { + $attrs[] = $name; + continue; + } + + // Standard attribute text + $attrs[] = $name . '="' . $attr->value . '"'; + } + $text .= ' ' . implode(' ', $attrs); + } + $text .= '>'; + $fragment->appendChild(new DOMText($text)); + } + + $number = $element->childNodes->length; + for ($i = $number; $i > 0; $i--) + { + $child = $element->childNodes->item(0); + $fragment->appendChild($child); + } + + if (!in_array($tag, array('script', 'style'))) + { + $fragment->appendChild(new DOMText('</' . $tag . '>')); + } + + $element->parentNode->replaceChild($fragment, $element); + } + + return; + } + elseif (in_array($tag, array('script', 'style'))) + { + foreach ($elements as $element) + { + $element->parentNode->removeChild($element); + } + + return; + } + else + { + foreach ($elements as $element) + { + $fragment = $document->createDocumentFragment(); + $number = $element->childNodes->length; + for ($i = $number; $i > 0; $i--) + { + $child = $element->childNodes->item(0); + $fragment->appendChild($child); + } + + $element->parentNode->replaceChild($fragment, $element); + } + } + } + + protected function strip_attr($attrib, $xpath) + { + $elements = $xpath->query('//*[@' . $attrib . ']'); + + foreach ($elements as $element) + { + $element->removeAttribute($attrib); + } + } + + protected function add_attr($tag, $valuePairs, $document) + { + $elements = $document->getElementsByTagName($tag); + foreach ($elements as $element) + { + foreach ($valuePairs as $attrib => $value) + { + $element->setAttribute($attrib, $value); + } + } + } +} diff --git a/lib/simplepie/library/SimplePie/Source.php b/lib/simplepie/library/SimplePie/Source.php new file mode 100644 index 000000000..8fac13ef7 --- /dev/null +++ b/lib/simplepie/library/SimplePie/Source.php @@ -0,0 +1,577 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + +/** + * Handles `<atom:source>` + * + * Used by {@see SimplePie_Item::get_source()} + * + * This class can be overloaded with {@see SimplePie::set_source_class()} + * + * @package SimplePie + * @subpackage API + */ +class SimplePie_Source +{ + var $item; + var $data = array(); + protected $registry; + + public function __construct($item, $data) + { + $this->item = $item; + $this->data = $data; + } + + public function set_registry(SimplePie_Registry $registry) + { + $this->registry = $registry; + } + + public function __toString() + { + return md5(serialize($this->data)); + } + + public function get_source_tags($namespace, $tag) + { + if (isset($this->data['child'][$namespace][$tag])) + { + return $this->data['child'][$namespace][$tag]; + } + + return null; + } + + public function get_base($element = array()) + { + return $this->item->get_base($element); + } + + public function sanitize($data, $type, $base = '') + { + return $this->item->sanitize($data, $type, $base); + } + + public function get_item() + { + return $this->item; + } + + public function get_title() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title')) + { + return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title')) + { + return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + + return null; + } + + public function get_category($key = 0) + { + $categories = $this->get_categories(); + if (isset($categories[$key])) + { + return $categories[$key]; + } + + return null; + } + + public function get_categories() + { + $categories = array(); + + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['attribs']['']['term'])) + { + $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = $this->registry->create('Category', array($term, $scheme, $label)); + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category) + { + // This is really the label, but keep this as the term also for BC. + // Label will also work on retrieving because that falls back to term. + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + if (isset($category['attribs']['']['domain'])) + { + $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = null; + } + $categories[] = $this->registry->create('Category', array($term, $scheme, null)); + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category) + { + $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category) + { + $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); + } + + if (!empty($categories)) + { + return array_unique($categories); + } + + return null; + } + + public function get_author($key = 0) + { + $authors = $this->get_authors(); + if (isset($authors[$key])) + { + return $authors[$key]; + } + + return null; + } + + public function get_authors() + { + $authors = array(); + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author) + { + $name = null; + $uri = null; + $email = null; + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) + { + $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) + { + $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); + } + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) + { + $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $uri !== null) + { + $authors[] = $this->registry->create('Author', array($name, $uri, $email)); + } + } + if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author')) + { + $name = null; + $url = null; + $email = null; + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) + { + $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) + { + $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); + } + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) + { + $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $url !== null) + { + $authors[] = $this->registry->create('Author', array($name, $url, $email)); + } + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author) + { + $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author) + { + $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author) + { + $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); + } + + if (!empty($authors)) + { + return array_unique($authors); + } + + return null; + } + + public function get_contributor($key = 0) + { + $contributors = $this->get_contributors(); + if (isset($contributors[$key])) + { + return $contributors[$key]; + } + + return null; + } + + public function get_contributors() + { + $contributors = array(); + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor) + { + $name = null; + $uri = null; + $email = null; + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) + { + $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) + { + $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) + { + $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $uri !== null) + { + $contributors[] = $this->registry->create('Author', array($name, $uri, $email)); + } + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor) + { + $name = null; + $url = null; + $email = null; + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) + { + $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) + { + $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) + { + $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $url !== null) + { + $contributors[] = $this->registry->create('Author', array($name, $url, $email)); + } + } + + if (!empty($contributors)) + { + return array_unique($contributors); + } + + return null; + } + + public function get_link($key = 0, $rel = 'alternate') + { + $links = $this->get_links($rel); + if (isset($links[$key])) + { + return $links[$key]; + } + + return null; + } + + /** + * Added for parity between the parent-level and the item/entry-level. + */ + public function get_permalink() + { + return $this->get_link(0); + } + + public function get_links($rel = 'alternate') + { + if (!isset($this->data['links'])) + { + $this->data['links'] = array(); + if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link')) + { + foreach ($links as $link) + { + if (isset($link['attribs']['']['href'])) + { + $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; + $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + } + } + } + if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link')) + { + foreach ($links as $link) + { + if (isset($link['attribs']['']['href'])) + { + $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; + $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + + } + } + } + if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + + $keys = array_keys($this->data['links']); + foreach ($keys as $key) + { + if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key))) + { + if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key])) + { + $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]); + $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]; + } + else + { + $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key]; + } + } + elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY) + { + $this->data['links'][substr($key, 41)] =& $this->data['links'][$key]; + } + $this->data['links'][$key] = array_unique($this->data['links'][$key]); + } + } + + if (isset($this->data['links'][$rel])) + { + return $this->data['links'][$rel]; + } + + return null; + } + + public function get_description() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle')) + { + return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline')) + { + return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); + } + + return null; + } + + public function get_copyright() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights')) + { + return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright')) + { + return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + + return null; + } + + public function get_language() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($this->data['xml_lang'])) + { + return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + + return null; + } + + public function get_latitude() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat')) + { + return (float) $return[0]['data']; + } + elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) + { + return (float) $match[1]; + } + + return null; + } + + public function get_longitude() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long')) + { + return (float) $return[0]['data']; + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon')) + { + return (float) $return[0]['data']; + } + elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) + { + return (float) $match[2]; + } + + return null; + } + + public function get_image_url() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image')) + { + return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + + return null; + } +} diff --git a/lib/simplepie/library/SimplePie/XML/Declaration/Parser.php b/lib/simplepie/library/SimplePie/XML/Declaration/Parser.php new file mode 100644 index 000000000..18ca1b79b --- /dev/null +++ b/lib/simplepie/library/SimplePie/XML/Declaration/Parser.php @@ -0,0 +1,359 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + + +/** + * Parses the XML Declaration + * + * @package SimplePie + * @subpackage Parsing + */ +class SimplePie_XML_Declaration_Parser +{ + /** + * XML Version + * + * @access public + * @var string + */ + var $version = '1.0'; + + /** + * Encoding + * + * @access public + * @var string + */ + var $encoding = 'UTF-8'; + + /** + * Standalone + * + * @access public + * @var bool + */ + var $standalone = false; + + /** + * Current state of the state machine + * + * @access private + * @var string + */ + var $state = 'before_version_name'; + + /** + * Input data + * + * @access private + * @var string + */ + var $data = ''; + + /** + * Input data length (to avoid calling strlen() everytime this is needed) + * + * @access private + * @var int + */ + var $data_length = 0; + + /** + * Current position of the pointer + * + * @var int + * @access private + */ + var $position = 0; + + /** + * Create an instance of the class with the input data + * + * @access public + * @param string $data Input data + */ + public function __construct($data) + { + $this->data = $data; + $this->data_length = strlen($this->data); + } + + /** + * Parse the input data + * + * @access public + * @return bool true on success, false on failure + */ + public function parse() + { + while ($this->state && $this->state !== 'emit' && $this->has_data()) + { + $state = $this->state; + $this->$state(); + } + $this->data = ''; + if ($this->state === 'emit') + { + return true; + } + + $this->version = ''; + $this->encoding = ''; + $this->standalone = ''; + return false; + } + + /** + * Check whether there is data beyond the pointer + * + * @access private + * @return bool true if there is further data, false if not + */ + public function has_data() + { + return (bool) ($this->position < $this->data_length); + } + + /** + * Advance past any whitespace + * + * @return int Number of whitespace characters passed + */ + public function skip_whitespace() + { + $whitespace = strspn($this->data, "\x09\x0A\x0D\x20", $this->position); + $this->position += $whitespace; + return $whitespace; + } + + /** + * Read value + */ + public function get_value() + { + $quote = substr($this->data, $this->position, 1); + if ($quote === '"' || $quote === "'") + { + $this->position++; + $len = strcspn($this->data, $quote, $this->position); + if ($this->has_data()) + { + $value = substr($this->data, $this->position, $len); + $this->position += $len + 1; + return $value; + } + } + return false; + } + + public function before_version_name() + { + if ($this->skip_whitespace()) + { + $this->state = 'version_name'; + } + else + { + $this->state = false; + } + } + + public function version_name() + { + if (substr($this->data, $this->position, 7) === 'version') + { + $this->position += 7; + $this->skip_whitespace(); + $this->state = 'version_equals'; + } + else + { + $this->state = false; + } + } + + public function version_equals() + { + if (substr($this->data, $this->position, 1) === '=') + { + $this->position++; + $this->skip_whitespace(); + $this->state = 'version_value'; + } + else + { + $this->state = false; + } + } + + public function version_value() + { + if ($this->version = $this->get_value()) + { + $this->skip_whitespace(); + if ($this->has_data()) + { + $this->state = 'encoding_name'; + } + else + { + $this->state = 'emit'; + } + } + else + { + $this->state = false; + } + } + + public function encoding_name() + { + if (substr($this->data, $this->position, 8) === 'encoding') + { + $this->position += 8; + $this->skip_whitespace(); + $this->state = 'encoding_equals'; + } + else + { + $this->state = 'standalone_name'; + } + } + + public function encoding_equals() + { + if (substr($this->data, $this->position, 1) === '=') + { + $this->position++; + $this->skip_whitespace(); + $this->state = 'encoding_value'; + } + else + { + $this->state = false; + } + } + + public function encoding_value() + { + if ($this->encoding = $this->get_value()) + { + $this->skip_whitespace(); + if ($this->has_data()) + { + $this->state = 'standalone_name'; + } + else + { + $this->state = 'emit'; + } + } + else + { + $this->state = false; + } + } + + public function standalone_name() + { + if (substr($this->data, $this->position, 10) === 'standalone') + { + $this->position += 10; + $this->skip_whitespace(); + $this->state = 'standalone_equals'; + } + else + { + $this->state = false; + } + } + + public function standalone_equals() + { + if (substr($this->data, $this->position, 1) === '=') + { + $this->position++; + $this->skip_whitespace(); + $this->state = 'standalone_value'; + } + else + { + $this->state = false; + } + } + + public function standalone_value() + { + if ($standalone = $this->get_value()) + { + switch ($standalone) + { + case 'yes': + $this->standalone = true; + break; + + case 'no': + $this->standalone = false; + break; + + default: + $this->state = false; + return; + } + + $this->skip_whitespace(); + if ($this->has_data()) + { + $this->state = false; + } + else + { + $this->state = 'emit'; + } + } + else + { + $this->state = false; + } + } +} diff --git a/lib/simplepie/library/SimplePie/gzdecode.php b/lib/simplepie/library/SimplePie/gzdecode.php new file mode 100644 index 000000000..f4aeafa28 --- /dev/null +++ b/lib/simplepie/library/SimplePie/gzdecode.php @@ -0,0 +1,366 @@ +<?php +/** + * SimplePie + * + * A PHP-Based RSS and Atom Feed Framework. + * Takes the hard work out of managing a complete RSS/Atom solution. + * + * Copyright (c) 2004-2016, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * * Neither the name of the SimplePie Team nor the names of its contributors may be used + * to endorse or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS + * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package SimplePie + * @copyright 2004-2016 Ryan Parman, Geoffrey Sneddon, Ryan McCue + * @author Ryan Parman + * @author Geoffrey Sneddon + * @author Ryan McCue + * @link http://simplepie.org/ SimplePie + * @license http://www.opensource.org/licenses/bsd-license.php BSD License + */ + + +/** + * Decode 'gzip' encoded HTTP data + * + * @package SimplePie + * @subpackage HTTP + * @link http://www.gzip.org/format.txt + */ +class SimplePie_gzdecode +{ + /** + * Compressed data + * + * @access private + * @var string + * @see gzdecode::$data + */ + var $compressed_data; + + /** + * Size of compressed data + * + * @access private + * @var int + */ + var $compressed_size; + + /** + * Minimum size of a valid gzip string + * + * @access private + * @var int + */ + var $min_compressed_size = 18; + + /** + * Current position of pointer + * + * @access private + * @var int + */ + var $position = 0; + + /** + * Flags (FLG) + * + * @access private + * @var int + */ + var $flags; + + /** + * Uncompressed data + * + * @access public + * @see gzdecode::$compressed_data + * @var string + */ + var $data; + + /** + * Modified time + * + * @access public + * @var int + */ + var $MTIME; + + /** + * Extra Flags + * + * @access public + * @var int + */ + var $XFL; + + /** + * Operating System + * + * @access public + * @var int + */ + var $OS; + + /** + * Subfield ID 1 + * + * @access public + * @see gzdecode::$extra_field + * @see gzdecode::$SI2 + * @var string + */ + var $SI1; + + /** + * Subfield ID 2 + * + * @access public + * @see gzdecode::$extra_field + * @see gzdecode::$SI1 + * @var string + */ + var $SI2; + + /** + * Extra field content + * + * @access public + * @see gzdecode::$SI1 + * @see gzdecode::$SI2 + * @var string + */ + var $extra_field; + + /** + * Original filename + * + * @access public + * @var string + */ + var $filename; + + /** + * Human readable comment + * + * @access public + * @var string + */ + var $comment; + + /** + * Don't allow anything to be set + * + * @param string $name + * @param mixed $value + */ + public function __set($name, $value) + { + trigger_error("Cannot write property $name", E_USER_ERROR); + } + + /** + * Set the compressed string and related properties + * + * @param string $data + */ + public function __construct($data) + { + $this->compressed_data = $data; + $this->compressed_size = strlen($data); + } + + /** + * Decode the GZIP stream + * + * @return bool Successfulness + */ + public function parse() + { + if ($this->compressed_size >= $this->min_compressed_size) + { + // Check ID1, ID2, and CM + if (substr($this->compressed_data, 0, 3) !== "\x1F\x8B\x08") + { + return false; + } + + // Get the FLG (FLaGs) + $this->flags = ord($this->compressed_data[3]); + + // FLG bits above (1 << 4) are reserved + if ($this->flags > 0x1F) + { + return false; + } + + // Advance the pointer after the above + $this->position += 4; + + // MTIME + $mtime = substr($this->compressed_data, $this->position, 4); + // Reverse the string if we're on a big-endian arch because l is the only signed long and is machine endianness + if (current(unpack('S', "\x00\x01")) === 1) + { + $mtime = strrev($mtime); + } + $this->MTIME = current(unpack('l', $mtime)); + $this->position += 4; + + // Get the XFL (eXtra FLags) + $this->XFL = ord($this->compressed_data[$this->position++]); + + // Get the OS (Operating System) + $this->OS = ord($this->compressed_data[$this->position++]); + + // Parse the FEXTRA + if ($this->flags & 4) + { + // Read subfield IDs + $this->SI1 = $this->compressed_data[$this->position++]; + $this->SI2 = $this->compressed_data[$this->position++]; + + // SI2 set to zero is reserved for future use + if ($this->SI2 === "\x00") + { + return false; + } + + // Get the length of the extra field + $len = current(unpack('v', substr($this->compressed_data, $this->position, 2))); + $this->position += 2; + + // Check the length of the string is still valid + $this->min_compressed_size += $len + 4; + if ($this->compressed_size >= $this->min_compressed_size) + { + // Set the extra field to the given data + $this->extra_field = substr($this->compressed_data, $this->position, $len); + $this->position += $len; + } + else + { + return false; + } + } + + // Parse the FNAME + if ($this->flags & 8) + { + // Get the length of the filename + $len = strcspn($this->compressed_data, "\x00", $this->position); + + // Check the length of the string is still valid + $this->min_compressed_size += $len + 1; + if ($this->compressed_size >= $this->min_compressed_size) + { + // Set the original filename to the given string + $this->filename = substr($this->compressed_data, $this->position, $len); + $this->position += $len + 1; + } + else + { + return false; + } + } + + // Parse the FCOMMENT + if ($this->flags & 16) + { + // Get the length of the comment + $len = strcspn($this->compressed_data, "\x00", $this->position); + + // Check the length of the string is still valid + $this->min_compressed_size += $len + 1; + if ($this->compressed_size >= $this->min_compressed_size) + { + // Set the original comment to the given string + $this->comment = substr($this->compressed_data, $this->position, $len); + $this->position += $len + 1; + } + else + { + return false; + } + } + + // Parse the FHCRC + if ($this->flags & 2) + { + // Check the length of the string is still valid + $this->min_compressed_size += $len + 2; + if ($this->compressed_size >= $this->min_compressed_size) + { + // Read the CRC + $crc = current(unpack('v', substr($this->compressed_data, $this->position, 2))); + + // Check the CRC matches + if ((crc32(substr($this->compressed_data, 0, $this->position)) & 0xFFFF) === $crc) + { + $this->position += 2; + } + else + { + return false; + } + } + else + { + return false; + } + } + + // Decompress the actual data + if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false) + { + return false; + } + + $this->position = $this->compressed_size - 8; + + // Check CRC of data + $crc = current(unpack('V', substr($this->compressed_data, $this->position, 4))); + $this->position += 4; + /*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc)) + { + return false; + }*/ + + // Check ISIZE of data + $isize = current(unpack('V', substr($this->compressed_data, $this->position, 4))); + $this->position += 4; + if (sprintf('%u', strlen($this->data) & 0xFFFFFFFF) !== sprintf('%u', $isize)) + { + return false; + } + + // Wow, against all odds, we've actually got a valid gzip string + return true; + } + + return false; + } +} |