180 lines
6 KiB
PHP
180 lines
6 KiB
PHP
<?php
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/**
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* RssBridgeYoutube
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* Returns the newest videos
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* WARNING: to parse big playlists (over ~90 videos), you need to edit simple_html_dom.php:
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* change: define('MAX_FILE_SIZE', 600000);
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* into: define('MAX_FILE_SIZE', 900000); (or more)
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*/
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class YoutubeBridge extends BridgeAbstract {
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public function loadMetadatas() {
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$this->name = 'YouTube Bridge';
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$this->homepage = $this->getURI();
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$this->description = 'Returns the 10 newest videos by username/channel/playlist or search';
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$this->maintainer = 'mitsukarenai';
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$this->update = '2016-08-09';
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$this->parameters['By username'] =
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'[
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{
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"type" : "text",
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"identifier" : "u",
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"name" : "username",
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"exampleValue" : "test",
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"required" : "required"
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}
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]';
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$this->parameters['By channel id'] =
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'[
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{
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"type" : "text",
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"identifier" : "c",
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"name" : "channel id",
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"exampleValue" : "15",
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"required" : "required"
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}
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]';
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$this->parameters['By playlist Id'] =
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'[
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{
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"type" : "text",
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"identifier" : "p",
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"name" : "playlist id",
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"exampleValue" : "15"
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}
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]';
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$this->parameters['Search result'] =
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'[
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{
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"type" : "text",
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"identifier" : "s",
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"name" : "search keyword",
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"exampleValue" : "test"
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},
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{
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"type" : "number",
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"identifier" : "pa",
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"name" : "page",
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"exampleValue" : "1"
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}
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]';
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}
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private function ytBridgeQueryVideoInfo($vid, &$author, &$desc, &$time) {
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$html = $this->file_get_html($this->getURI()."watch?v=$vid");
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$author = $html->innertext;
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$author = substr($author, strpos($author, '"author=') + 8);
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$author = substr($author, 0, strpos($author, '\u0026'));
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$desc = $html->find('div#watch-description-text', 0)->innertext;
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$time = strtotime($html->find('meta[itemprop=datePublished]', 0)->getAttribute('content'));
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}
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private function ytBridgeAddItem($vid, $title, $author, $desc, $time) {
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$item = new \Item();
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$item->id = $vid;
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$item->title = $title;
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$item->author = $author;
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$item->timestamp = $time;
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$item->uri = $this->getURI().'watch?v='.$vid;
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$thumbnailUri = str_replace('/www.', '/img.', $this->getURI()).'vi/'.$vid.'/0.jpg';
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$item->content = '<a href="'.$item->uri.'"><img src="'.$thumbnailUri.'" /></a><br />'.$desc;
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$this->items[] = $item;
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}
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private function ytBridgeParseXmlFeed($xml) {
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foreach ($xml->find('entry') as $element) {
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$title = $this->ytBridgeFixTitle($element->find('title',0)->plaintext);
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$author = $element->find('name', 0)->plaintext;
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$desc = $element->find('media:description', 0)->innertext;
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$vid = str_replace('yt:video:', '', $element->find('id', 0)->plaintext);
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$time = strtotime($element->find('published', 0)->plaintext);
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$this->ytBridgeAddItem($vid, $title, $author, $desc, $time);
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}
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$this->request = $this->ytBridgeFixTitle($xml->find('feed > title', 0)->plaintext);
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}
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private function ytBridgeParseHtmlListing($html, $element_selector, $title_selector) {
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$limit = 10; $count = 0;
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foreach ($html->find($element_selector) as $element) {
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if ($count < $limit) {
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$author = ''; $desc = ''; $time = 0;
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$vid = str_replace('/watch?v=', '', $element->find('a', 0)->href);
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$title = $this->ytBridgeFixTitle($element->find($title_selector, 0)->plaintext);
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if ($title != '[Private Video]') {
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$this->ytBridgeQueryVideoInfo($vid, $author, $desc, $time);
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$this->ytBridgeAddItem($vid, $title, $author, $desc, $time);
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$count++;
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}
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}
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}
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}
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private function ytBridgeFixTitle($title) {
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// convert both Ӓ and " to UTF-8
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return html_entity_decode($title,ENT_QUOTES,'UTF-8');
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}
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public function collectData(array $param) {
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$xml = '';
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$html = '';
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$url_feed = '';
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$url_listing = '';
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if (isset($param['u'])) { /* User and Channel modes */
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$this->request = $param['u'];
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$url_feed = $this->getURI().'feeds/videos.xml?user='.urlencode($this->request);
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$url_listing = $this->getURI().'user/'.urlencode($this->request).'/videos';
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} else if (isset($param['c'])) {
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$this->request = $param['c'];
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$url_feed = $this->getURI().'feeds/videos.xml?channel_id='.urlencode($this->request);
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$url_listing = $this->getURI().'channel/'.urlencode($this->request).'/videos';
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}
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if (!empty($url_feed) && !empty($url_listing)) {
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if ($xml = $this->file_get_html($url_feed)) {
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$this->ytBridgeParseXmlFeed($xml);
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} else if ($html = $this->file_get_html($url_listing)) {
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$this->ytBridgeParseHtmlListing($html, 'li.channels-content-item', 'h3');
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} else $this->returnError("Could not request YouTube. Tried:\n - $url_feed\n - $url_listing", 500);
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}
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else if (isset($param['p'])) { /* playlist mode */
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$this->request = $param['p'];
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$url_listing = $this->getURI().'playlist?list='.urlencode($this->request);
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$html = $this->file_get_html($url_listing) or $this->returnError("Could not request YouTube. Tried:\n - $url_listing", 500);
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$this->ytBridgeParseHtmlListing($html, 'tr.pl-video', '.pl-video-title a');
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$this->request = 'Playlist: '.str_replace(' - YouTube', '', $html->find('title', 0)->plaintext);
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}
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else if (isset($param['s'])) { /* search mode */
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$this->request = $param['s']; $page = 1; if (isset($param['pa'])) $page = (int)preg_replace("/[^0-9]/",'', $param['pa']);
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$url_listing = $this->getURI().'results?search_query='.urlencode($this->request).'&page='.$page.'&filters=video&search_sort=video_date_uploaded';
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$html = $this->file_get_html($url_listing) or $this->returnError("Could not request YouTube. Tried:\n - $url_listing", 500);
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$this->ytBridgeParseHtmlListing($html, 'div.yt-lockup', 'h3');
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$this->request = 'Search: '.str_replace(' - YouTube', '', $html->find('title', 0)->plaintext);
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}
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else { /* no valid mode */
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$this->returnError("You must either specify either:\n - YouTube username (?u=...)\n - Channel id (?c=...)\n - Playlist id (?p=...)\n - Search (?s=...)", 400);
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}
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}
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public function getName(){
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return (!empty($this->request) ? $this->request .' - ' : '') .'YouTube Bridge';
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}
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public function getURI(){
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return 'https://www.youtube.com/';
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}
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public function getCacheDuration(){
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return 10800; // 3 hours
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}
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}
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