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| <?php | |
| /** | |
| * | |
| * This file is part of the phpBB Forum Software package. | |
| * | |
| * @copyright (c) phpBB Limited <https://www.phpbb.com> | |
| * @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; | |
| use phpbb\config\config; | |
| use phpbb\path_helper; | |
| use phpbb\textformatter\s9e\renderer; | |
| use phpbb\user; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| /** | |
| * Class with some helpful functions used in feeds | |
| */ | |
| class helper | |
| { | |
| /** @var config */ | |
| protected $config; | |
| /** @var ContainerInterface */ | |
| protected $container; | |
| /** @var path_helper */ | |
| protected $path_helper; | |
| /** @var renderer */ | |
| protected $renderer; | |
| /** @var user */ | |
| protected $user; | |
| /** | |
| * Constructor | |
| * | |
| * @param config $config Config object | |
| * @param ContainerInterface $container Service container object | |
| * @param path_helper $path_helper Path helper object | |
| * @param renderer $renderer TextFormatter renderer object | |
| * @param user $user User object | |
| */ | |
| public function __construct(config $config, ContainerInterface $container, path_helper $path_helper, renderer $renderer, user $user) | |
| { | |
| $this->config = $config; | |
| $this->container = $container; | |
| $this->path_helper = $path_helper; | |
| $this->renderer = $renderer; | |
| $this->user = $user; | |
| } | |
| /** | |
| * Returns the board url (and caches it in the function) | |
| */ | |
| 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 ''; | |
| } | |
| // Setup our own quote_helper to remove all attributes from quotes | |
| $this->renderer->configure_quote_helper($this->container->get('feed.quote_helper')); | |
| $this->renderer->set_smilies_path($this->get_board_url() . '/' . $this->config['smilies_path']); | |
| $content = generate_text_for_display($content, $uid, $bitfield, $options); | |
| // 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> ', $content); | |
| // Parse inline images to display with the feed | |
| if (!empty($post_attachments)) | |
| { | |
| $update_count = array(); | |
| parse_attachments($forum_id, $content, $post_attachments, $update_count); | |
| $content .= implode('<br />', $post_attachments); | |
| // Convert attachments' relative path to absolute path | |
| $content = str_replace($this->path_helper->get_web_root_path() . 'download/file.' . $this->path_helper->get_php_ext(), $this->get_board_url() . '/download/file.' . $this->path_helper->get_php_ext(), $content); | |
| } | |
| // Remove Comments from inline attachments [ia] | |
| $content = preg_replace('#<dd>(.*?)</dd>#','',$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; | |
| } | |
| } |