* @license GNU General Public License, version 2 (GPL-2.0) * * For full copyright and license information, please see * the docs/CREDITS.txt file. * */ namespace phpbb\feed; /** * Class with some helpful functions used in feeds */ class helper { /** @var \phpbb\config\config */ protected $config; /** @var \phpbb\user */ protected $user; /** @var string */ protected $phpbb_root_path; /** @var string */ protected $phpEx; /** * Constructor * * @param \phpbb\config\config $config Config object * @param \phpbb\user $user User object * @param string $phpbb_root_path Root path * @param string $phpEx PHP file extension */ public function __construct(\phpbb\config\config $config, \phpbb\user $user, $phpbb_root_path, $phpEx) { $this->config = $config; $this->user = $user; $this->phpbb_root_path = $phpbb_root_path; $this->phpEx = $phpEx; } /** * 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 * * @param string $content is feed text content * @param string $uid is bbcode_uid * @param string $bitfield is bbcode bitfield * @param int $options bbcode flag options * @param int $forum_id is the forum id * @param array $post_attachments is an array containing the attachments and their respective info * @return string the html content to be printed for the feed */ public function generate_content($content, $uid, $bitfield, $options, $forum_id, $post_attachments) { if (empty($content)) { return ''; } // Prepare some bbcodes for better parsing $content = preg_replace("#\[quote(=".*?")?:$uid\]\s*(.*?)\s*\[/quote:$uid\]#si", "[quote$1:$uid]
$2
[/quote:$uid]", $content); $content = generate_text_for_display($content, $uid, $bitfield, $options); // Add newlines $content = str_replace('
', '
' . "\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('' . $this->user->lang['SELECT_ALL_CODE'] . '', '', $content); $content = preg_replace('#(onkeypress|onclick)="(.*?)"#si', '', $content); // Firefox does not support CSS for feeds, though // Remove font sizes // $content = preg_replace('#([^>]+)#iU', '\1', $content); // Make text strong :P // $content = preg_replace('#(.*?)#iU', '\1', $content); // Italic // $content = preg_replace('#([^<]+)#iU', '\1', $content); // Underline // $content = preg_replace('#([^<]+)#iU', '\1', $content); // Remove embed Windows Media Streams $content = preg_replace( '#<\!--\[if \!IE\]>-->([^[]+)<\!--#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',' $1 ',$content); // Remove some specials html tag, because somewhere there are a mod to allow html tags ;) $content = preg_replace( '#<(script|iframe)([^[]+)\1>#siU', ' $1 ', $content); // Parse inline images to display with the feed if (!empty($post_attachments)) { $update_count = array(); parse_attachments($forum_id, $content, $post_attachments, $update_count); $content .= implode('
', $post_attachments); // Convert attachments' relative path to absolute path $content = str_replace($this->phpbb_root_path . 'download/file.' . $this->phpEx, $this->get_board_url() . '/download/file.' . $this->phpEx, $content); } // Remove Comments from inline attachments [ia] $content = preg_replace('#
(.*?)
#','',$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; } }