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- <?php
- /**
- * RssBridgeYoutube
- * Returns the newest videos
- * WARNING: to parse big playlists (over ~90 videos), you need to edit simple_html_dom.php:
- * change: define('MAX_FILE_SIZE', 600000);
- * into: define('MAX_FILE_SIZE', 900000); (or more)
- */
- class YoutubeBridge extends BridgeAbstract {
- public function loadMetadatas() {
- $this->name = 'YouTube Bridge';
- $this->uri = 'https://www.youtube.com/';
- $this->description = 'Returns the 10 newest videos by username/channel/playlist or search';
- $this->maintainer = 'mitsukarenai';
- $this->parameters['By username'] = array(
- 'u'=>array(
- 'name'=>'username',
- 'exampleValue'=>'test',
- 'required'=>true
- )
- );
- $this->parameters['By channel id'] = array(
- 'c'=>array(
- 'name'=>'channel id',
- 'exampleValue'=>"15",
- 'required'=>true
- )
- );
- $this->parameters['By playlist Id'] = array(
- 'p'=>array(
- 'name'=>'playlist id',
- 'exampleValue'=>"15"
- )
- );
- $this->parameters['Search result'] = array(
- 's'=>array(
- 'name'=>'search keyword',
- 'exampleValue'=>'test'
- ),
- 'pa'=>array(
- 'name'=>'page',
- 'type'=>'number',
- 'exampleValue'=>1
- )
- );
- }
- private function ytBridgeQueryVideoInfo($vid, &$author, &$desc, &$time) {
- $html = $this->getSimpleHTMLDOM($this->uri."watch?v=$vid");
- $author = $html->innertext;
- $author = substr($author, strpos($author, '"author=') + 8);
- $author = substr($author, 0, strpos($author, '\u0026'));
- $desc = $html->find('div#watch-description-text', 0)->innertext;
- $time = strtotime($html->find('meta[itemprop=datePublished]', 0)->getAttribute('content'));
- }
- private function ytBridgeAddItem($vid, $title, $author, $desc, $time) {
- $item = array();
- $item['id'] = $vid;
- $item['title'] = $title;
- $item['author'] = $author;
- $item['timestamp'] = $time;
- $item['uri'] = $this->uri.'watch?v='.$vid;
- $thumbnailUri = str_replace('/www.', '/img.', $this->uri).'vi/'.$vid.'/0.jpg';
- $item['content'] = '<a href="'.$item['uri'].'"><img src="'.$thumbnailUri.'" /></a><br />'.$desc;
- $this->items[] = $item;
- }
- private function ytBridgeParseXmlFeed($xml) {
- foreach ($xml->find('entry') as $element) {
- $title = $this->ytBridgeFixTitle($element->find('title',0)->plaintext);
- $author = $element->find('name', 0)->plaintext;
- $desc = $element->find('media:description', 0)->innertext;
- $vid = str_replace('yt:video:', '', $element->find('id', 0)->plaintext);
- $time = strtotime($element->find('published', 0)->plaintext);
- $this->ytBridgeAddItem($vid, $title, $author, $desc, $time);
- }
- $this->request = $this->ytBridgeFixTitle($xml->find('feed > title', 0)->plaintext);
- }
- private function ytBridgeParseHtmlListing($html, $element_selector, $title_selector) {
- $limit = 10; $count = 0;
- foreach ($html->find($element_selector) as $element) {
- if ($count < $limit) {
- $author = ''; $desc = ''; $time = 0;
- $vid = str_replace('/watch?v=', '', $element->find('a', 0)->href);
- $title = $this->ytBridgeFixTitle($element->find($title_selector, 0)->plaintext);
- if ($title != '[Private Video]') {
- $this->ytBridgeQueryVideoInfo($vid, $author, $desc, $time);
- $this->ytBridgeAddItem($vid, $title, $author, $desc, $time);
- $count++;
- }
- }
- }
- }
- private function ytBridgeFixTitle($title) {
- // convert both Ӓ and " to UTF-8
- return html_entity_decode($title,ENT_QUOTES,'UTF-8');
- }
- public function collectData(array $param) {
- $xml = '';
- $html = '';
- $url_feed = '';
- $url_listing = '';
- if (isset($param['u'])) { /* User and Channel modes */
- $this->request = $param['u'];
- $url_feed = $this->uri.'feeds/videos.xml?user='.urlencode($this->request);
- $url_listing = $this->uri.'user/'.urlencode($this->request).'/videos';
- } else if (isset($param['c'])) {
- $this->request = $param['c'];
- $url_feed = $this->uri.'feeds/videos.xml?channel_id='.urlencode($this->request);
- $url_listing = $this->uri.'channel/'.urlencode($this->request).'/videos';
- }
- if (!empty($url_feed) && !empty($url_listing)) {
- if ($xml = $this->getSimpleHTMLDOM($url_feed)) {
- $this->ytBridgeParseXmlFeed($xml);
- } else if ($html = $this->getSimpleHTMLDOM($url_listing)) {
- $this->ytBridgeParseHtmlListing($html, 'li.channels-content-item', 'h3');
- } else $this->returnServerError("Could not request YouTube. Tried:\n - $url_feed\n - $url_listing");
- }
- else if (isset($param['p'])) { /* playlist mode */
- $this->request = $param['p'];
- $url_listing = $this->uri.'playlist?list='.urlencode($this->request);
- $html = $this->getSimpleHTMLDOM($url_listing) or $this->returnServerError("Could not request YouTube. Tried:\n - $url_listing");
- $this->ytBridgeParseHtmlListing($html, 'tr.pl-video', '.pl-video-title a');
- $this->request = 'Playlist: '.str_replace(' - YouTube', '', $html->find('title', 0)->plaintext);
- }
- else if (isset($param['s'])) { /* search mode */
- $this->request = $param['s']; $page = 1; if (isset($param['pa'])) $page = (int)preg_replace("/[^0-9]/",'', $param['pa']);
- $url_listing = $this->uri.'results?search_query='.urlencode($this->request).'&page='.$page.'&filters=video&search_sort=video_date_uploaded';
- $html = $this->getSimpleHTMLDOM($url_listing) or $this->returnServerError("Could not request YouTube. Tried:\n - $url_listing");
- $this->ytBridgeParseHtmlListing($html, 'div.yt-lockup', 'h3');
- $this->request = 'Search: '.str_replace(' - YouTube', '', $html->find('title', 0)->plaintext);
- }
- else { /* no valid mode */
- $this->returnClientError("You must either specify either:\n - YouTube username (?u=...)\n - Channel id (?c=...)\n - Playlist id (?p=...)\n - Search (?s=...)");
- }
- }
- public function getName(){
- return (!empty($this->request) ? $this->request .' - ' : '') .'YouTube Bridge';
- }
- public function getCacheDuration(){
- return 10800; // 3 hours
- }
- }
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