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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 {
- const NAME = 'YouTube Bridge';
- const URI = 'https://www.youtube.com/';
- const CACHE_TIMEOUT = 10800; // 3h
- const DESCRIPTION = 'Returns the 10 newest videos by username/channel/playlist or search';
- const MAINTAINER = 'mitsukarenai';
- const PARAMETERS = array(
- 'By username' => array(
- 'u' => array(
- 'name' => 'username',
- 'exampleValue' => 'test',
- 'required' => true
- )
- ),
- 'By channel id' => array(
- 'c' => array(
- 'name' => 'channel id',
- 'exampleValue' => "15",
- 'required' => true
- )
- ),
- 'By playlist Id' => array(
- 'p' => array(
- 'name' => 'playlist id',
- 'exampleValue' => "15"
- )
- ),
- '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){
- $html = getSimpleHTMLDOM(self::URI . "watch?v=$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'] = self::URI . 'watch?v=' . $vid;
- $thumbnailUri = str_replace('/www.', '/img.', self::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(){
- $xml = '';
- $html = '';
- $url_feed = '';
- $url_listing = '';
- if($this->getInput('u')){ /* User and Channel modes */
- $this->request = $this->getInput('u');
- $url_feed = self::URI . 'feeds/videos.xml?user=' . urlencode($this->request);
- $url_listing = self::URI . 'user/' . urlencode($this->request) . '/videos';
- } elseif($this->getInput('c')){
- $this->request = $this->getInput('c');
- $url_feed = self::URI . 'feeds/videos.xml?channel_id=' . urlencode($this->request);
- $url_listing = self::URI . 'channel/' . urlencode($this->request) . '/videos';
- }
- if(!empty($url_feed) && !empty($url_listing)){
- if($xml = getSimpleHTMLDOM($url_feed)){
- $this->ytBridgeParseXmlFeed($xml);
- } elseif($html = getSimpleHTMLDOM($url_listing)){
- $this->ytBridgeParseHtmlListing($html, 'li.channels-content-item', 'h3');
- } else {
- returnServerError("Could not request YouTube. Tried:\n - $url_feed\n - $url_listing");
- }
- } elseif($this->getInput('p')){ /* playlist mode */
- $this->request = $this->getInput('p');
- $url_listing = self::URI . 'playlist?list=' . urlencode($this->request);
- $html = getSimpleHTMLDOM($url_listing)
- or 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', '', $html->find('title', 0)->plaintext);
- } elseif($this->getInput('s')){ /* search mode */
- $this->request = $this->getInput('s');
- $page = 1;
- if($this->getInput('pa'))
- $page = (int)preg_replace("/[^0-9]/", '', $this->getInput('pa'));
- $url_listing = self::URI
- . 'results?search_query='
- . urlencode($this->request)
- . '&page='
- . $page
- . '&filters=video&search_sort=video_date_uploaded';
- $html = getSimpleHTMLDOM($url_listing)
- or returnServerError("Could not request YouTube. Tried:\n - $url_listing");
- $this->ytBridgeParseHtmlListing($html, 'div.yt-lockup', 'h3');
- $this->request = 'Search: ' . str_replace(' - YouTube', '', $html->find('title', 0)->plaintext);
- } else { /* no valid mode */
- returnClientError("You must either specify either:\n - YouTube
- username (?u=...)\n - Channel id (?c=...)\n - Playlist id (?p=...)\n - Search (?s=...)");
- }
- }
- public function getName(){
- return (!empty($this->request) ? $this->request . ' - ' : '') . 'YouTube Bridge';
- }
- }
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