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 = $this->ytGetSimpleHTMLDOM(self::URI . "watch?v=$vid");
$author = $html->innertext;
$author = substr($author, strpos($author, '"author=') + 8);
$author = substr($author, 0, strpos($author, '\u0026'));
if(!is_null($html->find('div#watch-description-text', 0)))
$desc = $html->find('div#watch-description-text', 0)->innertext;
if(!is_null($html->find('meta[itemprop=datePublished]', 0)))
$time = strtotime($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'] = '
' . $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;
// Make sure the description is easy on the eye :)
$desc = htmlspecialchars($desc);
$desc = nl2br($desc);
$desc = preg_replace('/(http[s]{0,1}\:\/\/[a-zA-Z0-9.\/\?\&=\-_]{4,})/ims',
'$1 ',
$desc);
$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($title, ENT_QUOTES, 'UTF-8');
}
private function ytGetSimpleHTMLDOM($url){
return getSimpleHTMLDOM($url,
$use_include_path = false,
$context = null,
$offset = 0,
$maxLen = null,
$lowercase = true,
$forceTagsClosed = true,
$target_charset = DEFAULT_TARGET_CHARSET,
$stripRN = false,
$defaultBRText = DEFAULT_BR_TEXT,
$defaultSpanText = DEFAULT_SPAN_TEXT);
}
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 = $this->ytGetSimpleHTMLDOM($url_feed)) {
$this->ytBridgeParseXmlFeed($xml);
} elseif($html = $this->ytGetSimpleHTMLDOM($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 = $this->ytGetSimpleHTMLDOM($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 = $this->ytGetSimpleHTMLDOM($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';
}
}