diff options
Diffstat (limited to 'phpBB/includes/feed/helper.php')
| -rw-r--r-- | phpBB/includes/feed/helper.php | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/phpBB/includes/feed/helper.php b/phpBB/includes/feed/helper.php new file mode 100644 index 0000000000..93330aa2ad --- /dev/null +++ b/phpBB/includes/feed/helper.php @@ -0,0 +1,159 @@ +<?php +/** +* +* @package phpBB3 +* @copyright (c) 2013 phpBB Group +* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2 +* +*/ + +/** +* @ignore +*/ +if (!defined('IN_PHPBB')) +{ + exit; +} + +/** +* Class with some helpful functions used in feeds +* @package phpBB3 +*/ +class phpbb_feed_helper +{ + /** @var phpbb_config */ + protected $config; + + /** @var phpbb_user */ + protected $user; + + /** @var string */ + protected $phpbb_root_path; + + /** + * Constructor + * + * @param phpbb_config $config Config object + * @param phpbb_user $user User object + * @param string $phpbb_root_path Root path + * @return null + */ + public function __construct(phpbb_config $config, phpbb_user $user, $phpbb_root_path) + { + $this->config = $config; + $this->user = $user; + $this->phpbb_root_path = $phpbb_root_path; + } + + /** + * Run links through append_sid(), prepend generate_board_url() and remove session id + */ + public function get_board_url() + { + static $board_url; + + if (empty($board_url)) + { + $board_url = generate_board_url(); + } + + return $board_url; + } + + /** + * Run links through append_sid(), prepend generate_board_url() and remove session id + */ + public function append_sid($url, $params) + { + return append_sid($this->get_board_url() . '/' . $url, $params, true, ''); + } + + /** + * Generate ISO 8601 date string (RFC 3339) + */ + public function format_date($time) + { + static $zone_offset; + static $offset_string; + + if (empty($offset_string)) + { + $zone_offset = $this->user->create_datetime()->getOffset(); + $offset_string = phpbb_format_timezone_offset($zone_offset); + } + + return gmdate("Y-m-d\TH:i:s", $time + $zone_offset) . $offset_string; + } + + /** + * Generate text content + */ + public function generate_content($content, $uid, $bitfield, $options) + { + if (empty($content)) + { + return ''; + } + + // Prepare some bbcodes for better parsing + $content = preg_replace("#\[quote(=".*?")?:$uid\]\s*(.*?)\s*\[/quote:$uid\]#si", "[quote$1:$uid]<br />$2<br />[/quote:$uid]", $content); + + $content = generate_text_for_display($content, $uid, $bitfield, $options); + + // Add newlines + $content = str_replace('<br />', '<br />' . "\n", $content); + + // Convert smiley Relative paths to Absolute path, Windows style + $content = str_replace($this->phpbb_root_path . $this->config['smilies_path'], $this->get_board_url() . '/' . $this->config['smilies_path'], $content); + + // Remove "Select all" link and mouse events + $content = str_replace('<a href="#" onclick="selectCode(this); return false;">' . $this->user->lang['SELECT_ALL_CODE'] . '</a>', '', $content); + $content = preg_replace('#(onkeypress|onclick)="(.*?)"#si', '', $content); + + // Firefox does not support CSS for feeds, though + + // Remove font sizes + // $content = preg_replace('#<span style="font-size: [0-9]+%; line-height: [0-9]+%;">([^>]+)</span>#iU', '\1', $content); + + // Make text strong :P + // $content = preg_replace('#<span style="font-weight: bold?">(.*?)</span>#iU', '<strong>\1</strong>', $content); + + // Italic + // $content = preg_replace('#<span style="font-style: italic?">([^<]+)</span>#iU', '<em>\1</em>', $content); + + // Underline + // $content = preg_replace('#<span style="text-decoration: underline?">([^<]+)</span>#iU', '<u>\1</u>', $content); + + // Remove embed Windows Media Streams + $content = preg_replace( '#<\!--\[if \!IE\]>-->([^[]+)<\!--<!\[endif\]-->#si', '', $content); + + // Do not use < and >, because we want to retain code contained in [code][/code] + + // Remove embed and objects + $content = preg_replace( '#<(object|embed)(.*?) (value|src)=(.*?) ([^[]+)(object|embed)>#si',' <a href=$4 target="_blank"><strong>$1</strong></a> ',$content); + + // Remove some specials html tag, because somewhere there are a mod to allow html tags ;) + $content = preg_replace( '#<(script|iframe)([^[]+)\1>#siU', ' <strong>$1</strong> ', $content); + + // Remove Comments from inline attachments [ia] + $content = preg_replace('#<div class="(inline-attachment|attachtitle)">(.*?)<!-- ia(.*?) -->(.*?)<!-- ia(.*?) -->(.*?)</div>#si','$4',$content); + + // Replace some entities with their unicode counterpart + $entities = array( + ' ' => "\xC2\xA0", + '•' => "\xE2\x80\xA2", + '·' => "\xC2\xB7", + '©' => "\xC2\xA9", + ); + + $content = str_replace(array_keys($entities), array_values($entities), $content); + + // Remove CDATA blocks. ;) + $content = preg_replace('#\<\!\[CDATA\[(.*?)\]\]\>#s', '', $content); + + // Other control characters + $content = preg_replace('#(?:[\x00-\x1F\x7F]+|(?:\xC2[\x80-\x9F])+)#', '', $content); + + return $content; + } +} |