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 = $this->getSimpleHTMLDOM(self::URI."watch?v=$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';
$item['content'] = '
'.$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';
} else if ($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 = $this->getSimpleHTMLDOM($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 - $url_listing");
}
else if ($this->getInput('p')) { /* playlist mode */
$this->request = $this->getInput('p');
$url_listing = self::URI.'playlist?list='.urlencode($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', '', $html->find('title', 0)->plaintext);
}
else if ($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 = $this->getSimpleHTMLDOM($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';
}
}