mirror of
https://github.com/RSS-Bridge/rss-bridge.git
synced 2024-11-22 09:35:28 +03:00
427 lines
14 KiB
PHP
427 lines
14 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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const NAME = 'YouTube Bridge';
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const URI = 'https://www.youtube.com/';
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const CACHE_TIMEOUT = 10800; // 3h
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const DESCRIPTION = 'Returns the 10 newest videos by username/channel/playlist or search';
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const MAINTAINER = 'em92';
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const PARAMETERS = array(
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'By username' => array(
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'u' => array(
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'name' => 'username',
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'exampleValue' => 'test',
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'required' => true
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)
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),
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'By channel id' => array(
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'c' => array(
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'name' => 'channel id',
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'exampleValue' => '15',
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'required' => true
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)
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),
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'By custom name' => array(
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'custom' => array(
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'name' => 'custom name',
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'exampleValue' => 'nasa',
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'required' => true
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)
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),
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'By playlist Id' => array(
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'p' => array(
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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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'Search result' => array(
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's' => array(
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'name' => 'search keyword',
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'exampleValue' => 'test'
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),
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'pa' => array(
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'name' => 'page',
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'type' => 'number',
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'title' => 'This option is not work anymore, as YouTube will always return the same page',
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'exampleValue' => 1
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)
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),
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'global' => array(
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'duration_min' => array(
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'name' => 'min. duration (minutes)',
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'type' => 'number',
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'title' => 'Minimum duration for the video in minutes',
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'exampleValue' => 5
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),
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'duration_max' => array(
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'name' => 'max. duration (minutes)',
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'type' => 'number',
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'title' => 'Maximum duration for the video in minutes',
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'exampleValue' => 10
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)
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)
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);
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private $feedName = '';
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private $feeduri = '';
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private $channel_name = '';
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// This took from repo BetterVideoRss of VerifiedJoseph.
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const URI_REGEX = '/(https?:\/\/(?:www\.)?(?:[a-zA-Z0-9-.]{2,256}\.[a-z]{2,20})(\:[0-9]{2 ,4})?(?:\/[a-zA-Z0-9@:%_\+.,~#"\'!?&\/\/=\-*]+|\/)?)/ims'; //phpcs:ignore
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private function ytBridgeQueryVideoInfo($vid, &$author, &$desc, &$time){
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$html = $this->ytGetSimpleHTMLDOM(self::URI . "watch?v=$vid", true);
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// Skip unavailable videos
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if(strpos($html->innertext, 'IS_UNAVAILABLE_PAGE') !== false) {
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return;
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}
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$elAuthor = $html->find('span[itemprop=author] > link[itemprop=name]', 0);
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if (!is_null($elAuthor)) {
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$author = $elAuthor->getAttribute('content');
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}
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$elDatePublished = $html->find('meta[itemprop=datePublished]', 0);
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if(!is_null($elDatePublished))
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$time = strtotime($elDatePublished->getAttribute('content'));
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$jsonData = $this->getJSONData($html);
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$jsonData = $jsonData->contents->twoColumnWatchNextResults->results->results->contents;
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$videoSecondaryInfo = null;
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foreach($jsonData as $item) {
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if (isset($item->videoSecondaryInfoRenderer)) {
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$videoSecondaryInfo = $item->videoSecondaryInfoRenderer;
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break;
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}
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}
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if (!$videoSecondaryInfo) {
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returnServerError('Could not find videoSecondaryInfoRenderer. Error at: ' . $vid);
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}
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if(isset($videoSecondaryInfo->description)) {
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foreach($videoSecondaryInfo->description->runs as $description) {
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if(isset($description->navigationEndpoint)) {
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$metadata = $description->navigationEndpoint->commandMetadata->webCommandMetadata;
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$web_type = $metadata->webPageType;
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$url = $metadata->url;
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$text = '';
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switch ($web_type) {
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case 'WEB_PAGE_TYPE_UNKNOWN':
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$url_components = parse_url($url);
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if(isset($url_components['query']) && strpos($url_components['query'], '&q=') !== false) {
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parse_str($url_components['query'], $params);
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$url = urldecode($params['q']);
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}
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$text = $url;
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break;
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case 'WEB_PAGE_TYPE_WATCH':
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case 'WEB_PAGE_TYPE_BROWSE':
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$url = 'https://www.youtube.com' . $url;
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$text = $description->text;
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break;
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}
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$desc .= "<a href=\"$url\" target=\"_blank\">$text</a>";
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} else {
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$desc .= nl2br($description->text);
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}
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}
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}
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}
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private function ytBridgeAddItem($vid, $title, $author, $desc, $time, $thumbnail = ''){
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$item = array();
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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'] = self::URI . 'watch?v=' . $vid;
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if(!$thumbnail) {
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$thumbnail = '0'; // Fallback to default thumbnail if there aren't any provided.
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}
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$thumbnailUri = str_replace('/www.', '/img.', self::URI) . 'vi/' . $vid . '/' . $thumbnail . '.jpg';
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$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 = $element->find('media:description', 0)->innertext;
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// Make sure the description is easy on the eye :)
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$desc = htmlspecialchars($desc);
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$desc = nl2br($desc);
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$desc = preg_replace(self::URI_REGEX,
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'<a href="$1" target="_blank">$1</a> ',
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$desc);
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$vid = str_replace('yt:video:', '', $element->find('id', 0)->plaintext);
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$time = strtotime($element->find('published', 0)->plaintext);
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if(strpos($vid, 'googleads') === false)
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$this->ytBridgeAddItem($vid, $title, $author, $desc, $time);
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}
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$this->feedName = $this->ytBridgeFixTitle($xml->find('feed > title', 0)->plaintext); // feedName will be used by getName()
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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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private function ytGetSimpleHTMLDOM($url, $cached = false){
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$header = array(
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'Accept-Language: en-US'
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);
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$opts = array();
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$lowercase = true;
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$forceTagsClosed = true;
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$target_charset = DEFAULT_TARGET_CHARSET;
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$stripRN = false;
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$defaultBRText = DEFAULT_BR_TEXT;
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$defaultSpanText = DEFAULT_SPAN_TEXT;
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if ($cached) {
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return getSimpleHTMLDOMCached($url,
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86400,
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$header,
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$opts,
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$lowercase,
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$forceTagsClosed,
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$target_charset,
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$stripRN,
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$defaultBRText,
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$defaultSpanText);
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}
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return getSimpleHTMLDOM($url,
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$header,
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$opts,
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$lowercase,
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$forceTagsClosed,
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$target_charset,
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$stripRN,
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$defaultBRText,
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$defaultSpanText);
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}
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private function getJSONData($html) {
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$scriptRegex = '/var ytInitialData = (.*?);<\/script>/';
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preg_match($scriptRegex, $html, $matches) or returnServerError('Could not find ytInitialData');
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return json_decode($matches[1]);
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}
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private function parseJSONListing($jsonData) {
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$duration_min = $this->getInput('duration_min') ?: -1;
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$duration_min = $duration_min * 60;
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$duration_max = $this->getInput('duration_max') ?: INF;
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$duration_max = $duration_max * 60;
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if($duration_max < $duration_min) {
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returnClientError('Max duration must be greater than min duration!');
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}
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// $vid_list = '';
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foreach($jsonData as $item) {
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$wrapper = null;
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if(isset($item->gridVideoRenderer)) {
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$wrapper = $item->gridVideoRenderer;
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} elseif(isset($item->videoRenderer)) {
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$wrapper = $item->videoRenderer;
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} elseif(isset($item->playlistVideoRenderer)) {
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$wrapper = $item->playlistVideoRenderer;
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} else
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continue;
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$vid = $wrapper->videoId;
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$title = $wrapper->title->runs[0]->text;
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if(isset($wrapper->ownerText)) {
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$this->channel_name = $wrapper->ownerText->runs[0]->text;
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} elseif(isset($wrapper->shortBylineText)) {
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$this->channel_name = $wrapper->shortBylineText->runs[0]->text;
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}
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$author = '';
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$desc = '';
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$time = '';
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// The duration comes in one of the formats:
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// hh:mm:ss / mm:ss / m:ss
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// 01:03:30 / 15:06 / 1:24
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$durationText = 0;
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if(isset($wrapper->lengthText)) {
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$durationText = $wrapper->lengthText;
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} else {
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foreach($wrapper->thumbnailOverlays as $overlay) {
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if(isset($overlay->thumbnailOverlayTimeStatusRenderer)) {
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$durationText = $overlay->thumbnailOverlayTimeStatusRenderer->text;
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break;
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}
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}
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}
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if(isset($durationText->simpleText)) {
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$durationText = trim($durationText->simpleText);
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} else {
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$durationText = 0;
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}
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if(preg_match('/([\d]{1,2}):([\d]{1,2})\:([\d]{2})/', $durationText)) {
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$durationText = preg_replace('/([\d]{1,2}):([\d]{1,2})\:([\d]{2})/', '$1:$2:$3', $durationText);
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} else {
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$durationText = preg_replace('/([\d]{1,2})\:([\d]{2})/', '00:$1:$2', $durationText);
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}
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sscanf($durationText, '%d:%d:%d', $hours, $minutes, $seconds);
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$duration = $hours * 3600 + $minutes * 60 + $seconds;
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if($duration < $duration_min || $duration > $duration_max) {
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continue;
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}
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// $vid_list .= $vid . ',';
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$this->ytBridgeQueryVideoInfo($vid, $author, $desc, $time);
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$this->ytBridgeAddItem($vid, $title, $author, $desc, $time);
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}
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}
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public function collectData(){
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$xml = '';
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$html = '';
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$url_feed = '';
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$url_listing = '';
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if($this->getInput('u')) { /* User and Channel modes */
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$this->request = $this->getInput('u');
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$url_feed = self::URI . 'feeds/videos.xml?user=' . urlencode($this->request);
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$url_listing = self::URI . 'user/' . urlencode($this->request) . '/videos';
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} elseif($this->getInput('c')) {
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$this->request = $this->getInput('c');
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$url_feed = self::URI . 'feeds/videos.xml?channel_id=' . urlencode($this->request);
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$url_listing = self::URI . 'channel/' . urlencode($this->request) . '/videos';
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} elseif($this->getInput('custom')) {
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$this->request = $this->getInput('custom');
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$url_listing = self::URI . urlencode($this->request) . '/videos';
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}
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if(!empty($url_feed) || !empty($url_listing)) {
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$this->feeduri = $url_listing;
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if(!empty($this->getInput('custom'))) {
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$html = $this->ytGetSimpleHTMLDOM($url_listing);
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$jsonData = $this->getJSONData($html);
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$url_feed = $jsonData->metadata->channelMetadataRenderer->rssUrl;
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}
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if(!$this->skipFeeds()) {
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$html = $this->ytGetSimpleHTMLDOM($url_feed);
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$this->ytBridgeParseXmlFeed($html);
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} else {
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if(empty($this->getInput('custom'))) {
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$html = $this->ytGetSimpleHTMLDOM($url_listing);
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$jsonData = $this->getJSONData($html);
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}
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$channel_id = '';
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if(isset($jsonData->contents)) {
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$channel_id = $jsonData->metadata->channelMetadataRenderer->externalId;
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$jsonData = $jsonData->contents->twoColumnBrowseResultsRenderer->tabs[1];
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$jsonData = $jsonData->tabRenderer->content->sectionListRenderer->contents[0];
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$jsonData = $jsonData->itemSectionRenderer->contents[0]->gridRenderer->items;
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$this->parseJSONListing($jsonData);
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} else {
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returnServerError('Unable to get data from YouTube. Username/Channel: ' . $this->request);
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}
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}
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$this->feedName = str_replace(' - YouTube', '', $html->find('title', 0)->plaintext);
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} elseif($this->getInput('p')) { /* playlist mode */
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// TODO: this mode makes a lot of excess video query requests.
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// To make less requests, we need to cache following dictionary "videoId -> datePublished, duration"
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// This cache will be used to find out, which videos to fetch
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// to make feed of 15 items or more, if there a lot of videos published on that date.
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$this->request = $this->getInput('p');
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$url_feed = self::URI . 'feeds/videos.xml?playlist_id=' . urlencode($this->request);
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$url_listing = self::URI . 'playlist?list=' . urlencode($this->request);
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$html = $this->ytGetSimpleHTMLDOM($url_listing);
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$jsonData = $this->getJSONData($html);
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// TODO: this method returns only first 100 video items
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// if it has more videos, playlistVideoListRenderer will have continuationItemRenderer as last element
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$jsonData = $jsonData->contents->twoColumnBrowseResultsRenderer->tabs[0];
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$jsonData = $jsonData->tabRenderer->content->sectionListRenderer->contents[0]->itemSectionRenderer;
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$jsonData = $jsonData->contents[0]->playlistVideoListRenderer->contents;
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$item_count = count($jsonData);
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if ($item_count <= 15 && !$this->skipFeeds() && ($xml = $this->ytGetSimpleHTMLDOM($url_feed))) {
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$this->ytBridgeParseXmlFeed($xml);
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} else {
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$this->parseJSONListing($jsonData);
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}
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$this->feedName = 'Playlist: ' . str_replace(' - YouTube', '', $html->find('title', 0)->plaintext); // feedName will be used by getName()
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usort($this->items, function ($item1, $item2) {
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if(!is_int($item1['timestamp']) && !is_int($item2['timestamp'])) {
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$item1['timestamp'] = strtotime($item1['timestamp']);
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$item2['timestamp'] = strtotime($item2['timestamp']);
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}
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return $item2['timestamp'] - $item1['timestamp'];
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});
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} elseif($this->getInput('s')) { /* search mode */
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$this->request = $this->getInput('s');
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$url_listing = self::URI
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. 'results?search_query='
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. urlencode($this->request)
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. '&sp=CAI%253D';
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$html = $this->ytGetSimpleHTMLDOM($url_listing);
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$jsonData = $this->getJSONData($html);
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$jsonData = $jsonData->contents->twoColumnSearchResultsRenderer->primaryContents;
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$jsonData = $jsonData->sectionListRenderer->contents;
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foreach($jsonData as $data) { // Search result includes some ads, have to filter them
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if(isset($data->itemSectionRenderer->contents[0]->videoRenderer)) {
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$jsonData = $data->itemSectionRenderer->contents;
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break;
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}
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}
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$this->parseJSONListing($jsonData);
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$this->feeduri = $url_listing;
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$this->feedName = 'Search: ' . $this->request; // feedName will be used by getName()
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} else { /* no valid mode */
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returnClientError("You must either specify either:\n - YouTube
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username (?u=...)\n - Channel id (?c=...)\n - Playlist id (?p=...)\n - Search (?s=...)");
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}
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}
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private function skipFeeds() {
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return ($this->getInput('duration_min') || $this->getInput('duration_max'));
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}
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public function getURI()
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{
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if (!is_null($this->getInput('p'))) {
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return static::URI . 'playlist?list=' . $this->getInput('p');
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} elseif($this->feeduri) {
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return $this->feeduri;
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}
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return parent::getURI();
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}
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public function getName(){
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// Name depends on queriedContext:
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switch($this->queriedContext) {
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case 'By username':
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case 'By channel id':
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case 'By custom name':
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case 'By playlist Id':
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case 'Search result':
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return htmlspecialchars_decode($this->feedName) . ' - YouTube'; // We already know it's a bridge, right?
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default:
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return parent::getName();
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}
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}
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}
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