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[YouTube] Code refactoring, add XML API support

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- Factorize common code into functions
 - Add support for XML API for user an channel
 - HTML parser is kept as fallback when XML does not work
 - XML API works even if IP is blocked, partially fixes #193
This commit is contained in:
ORelio 2016-05-03 23:45:32 +02:00
parent 5d87f1f8ef
commit ca04246eb0
1 changed files with 87 additions and 95 deletions
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182
bridges/YoutubeBridge.php
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@ -8,16 +8,15 @@
*/
class YoutubeBridge extends BridgeAbstract {
public function loadMetadatas() {
$this->name = "Youtube Bridge";
$this->name = 'YouTube Bridge';
$this->homepage = $this->getURI();
$this->description = 'Returns the 10 newest videos by username/channel/playlist or search';
$this->maintainer = 'mitsukarenai';
$this->update = '02/05/2016';
$this->homepage = "https://youtube.com";
$this->description = "Returns the 10 newest videos by username/channel/playlist or search";
$this->maintainer = "mitsukarenai";
$this->parameters["By username"] =
$this->parameters['By username'] =
'[
{
"type" : "text",
@ -31,10 +30,10 @@ class YoutubeBridge extends BridgeAbstract {
$this->parameters['By channel id'] =
'[
{
"type" : "text",
"type" : "number",
"identifier" : "c",
"name" : "channel id",
"exampleValue" : "test",
"exampleValue" : "15",
"required" : "required"
}
]';
@ -49,7 +48,7 @@ class YoutubeBridge extends BridgeAbstract {
}
]';
$this->parameters["Search result"] =
$this->parameters['Search result'] =
'[
{
"type" : "text",
@ -68,105 +67,98 @@ class YoutubeBridge extends BridgeAbstract {
]';
}
public function collectData(array $param){
private function ytBridgeQueryVideoInfo($vid, &$author, &$desc, &$time) {
$html = file_get_html($this->getURI()."watch?v=$id");
$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'));
}
function getPublishDate($id) {
$html2 = file_get_html("https://www.youtube.com/watch?v=$id");
$timestamp = strtotime($html2->find('meta[itemprop=datePublished]', 0)->getAttribute('content') );
return $timestamp;
}
private function ytBridgeAddItem($vid, $title, $author, $desc, $time) {
$item = new \Item();
$item->id = $vid;
$item->title = $title;
$item->author = $author;
$item->timestamp = $time;
$item->uri = $this->getURI().'watch?v='.$vid;
$item->thumbnailUri = str_replace('/www.', '/img.', $this->getURI()).'vi/'.$vid.'/0.jpg';
$item->content = '<a href="'.$item->uri.'"><img src="'.$item->thumbnailUri.'" /></a><br />'.$desc;
$this->items[] = $item;
}
private function ytBridgeParseXmlFeed($xml) {
foreach ($xml->find('entry') as $element) {
$title = $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);
}
}
$html = '';
$limit = 10;
$count = 0;
private function ytBridgeParseHtmlListing($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);
$title = trim($element->find($title_selector, 0)->plaintext);
$this->ytBridgeQueryVideoInfo($vid, $author, $desc, $time);
$this->ytBridgeAddItem($vid, $title, $author, $desc, $time);
$count++;
}
}
}
if (isset($param['u'])) { /* user timeline mode */
public function collectData(array $param) {
$xml = '';
$html = '';
$url_feed = '';
$url_listing = '';
if (isset($param['u'])) { /* User and Channel modes */
$this->request = $param['u'];
$html = file_get_html('https://www.youtube.com/user/'.urlencode($this->request).'/videos') or $this->returnError('Could not request Youtube.', 404);
foreach($html->find('li.channels-content-item') as $element) {
if($count < $limit) {
$item = new \Item();
$videoquery = parse_url($element->find('a',0)->href, PHP_URL_QUERY); parse_str($videoquery, $videoquery);
$item->id = $videoquery['v'];
$item->uri = 'https://www.youtube.com/watch?v='.$item->id;
$item->thumbnailUri = $element->find('img',0)->src;
$item->title = trim($element->find('h3',0)->plaintext);
$item->timestamp = getPublishDate($item->id);
$item->content = '<a href="' . $item->uri . '"><img src="' . $item->thumbnailUri . '" /></a><br><a href="' . $item->uri . '">' . $item->title . '</a>';
$this->items[] = $item;
$count++;
}
}
}
else if (isset($param['c'])) { /* channel timeline mode */
$url_feed = $this->getURI().'feeds/videos.xml?user='.urlencode($this->request);
$url_listing = $this->getURI().'user/'.urlencode($this->request).'/videos';
} else if (isset($param['c'])) {
$this->request = $param['c'];
$html = file_get_html('https://www.youtube.com/channel/'.urlencode($this->request).'/videos') or $this->returnError('Could not request Youtube.', 404);
foreach($html->find('li.channels-content-item') as $element) {
if($count < $limit) {
$item = new \Item();
$videoquery = parse_url($element->find('a',0)->href, PHP_URL_QUERY); parse_str($videoquery, $videoquery);
$item->id = $videoquery['v'];
$item->uri = 'https://www.youtube.com/watch?v='.$item->id;
$item->thumbnailUri = $element->find('img',0)->src;
$item->title = trim($element->find('h3',0)->plaintext);
$item->timestamp = getPublishDate($item->id);
$item->content = '<a href="' . $item->uri . '"><img src="' . $item->thumbnailUri . '" /></a><br><a href="' . $item->uri . '">' . $item->title . '</a>';
$this->items[] = $item;
$count++;
}
}
$url_feed = $this->getURI().'feeds/videos.xml?channel_id='.urlencode($this->request);
$url_listing = $this->getURI().'channel/'.urlencode($this->request).'/videos';
}
if (!empty($url_feed) && !empty($url_listing)) {
if ($xml = file_get_html($url_feed)) {
$this->ytBridgeParseXmlFeed($xml);
} else if ($html = file_get_html($url_listing)) {
$this->ytBridgeParseHtmlListing($html, 'li.channels-content-item', 'h3');
} else $this->returnError("Could not request YouTube. Tried:\n - $url_feed\n - $url_listing", 500);
}
else if (isset($param['p'])) { /* playlist mode */
else if (isset($param['p'])) { /* playlist mode */
$this->request = $param['p'];
$html = file_get_html('https://www.youtube.com/playlist?list='.urlencode($this->request).'') or $this->returnError('Could not request Youtube.', 404);
foreach($html->find('tr.pl-video') as $element) {
if($count < $limit) {
$item = new \Item();
$item->uri = 'https://www.youtube.com'.$element->find('.pl-video-title a',0)->href;
$item->thumbnailUri = $element->find('img',0)->getAttribute('data-thumb');
$item->title = trim($element->find('.pl-video-title a',0)->plaintext);
$item->id = str_replace('/watch?v=', '', $element->find('a',0)->href);
$item->timestamp = getPublishDate($item->id);
$item->content = '<a href="' . $item->uri . '"><img src="' . $item->thumbnailUri . '" /></a><br><a href="' . $item->uri . '">' . $item->title . '</a>';
$this->items[] = $item;
$count++;
}
$this->request = 'Playlist '.trim(str_replace(' - YouTube', '', $html->find('title', 0)->plaintext)).', by '.$html->find('h1', 0)->plaintext;
}
$url_listing = $this->getURI().'playlist?list='.urlencode($this->request);
$html = file_get_html($url_listing) or $this->returnError("Could not request YouTube. Tried:\n - $url_listing", 500);
$this->ytBridgeParseHtmlListing($html, 'tr.pl-video', '.pl-video-title a');
}
else if (isset($param['s'])) { /* search mode */
$this->request = $param['s']; $page = 1; if (isset($param['pa'])) $page = (int)preg_replace("/[^0-9]/",'', $param['pa']);
$html = file_get_html('https://www.youtube.com/results?search_query='.urlencode($this->request).'&page='.$page.'&filters=video&search_sort=video_date_uploaded') or $this->returnError('Could not request Youtube.', 404);
foreach($html->find('div.yt-lockup') as $element) {
$item = new \Item();
$item->uri = 'https://www.youtube.com'.$element->find('a',0)->href;
$checkthumb = $element->find('img', 0)->getAttribute('data-thumb');
if($checkthumb !== FALSE)
$item->thumbnailUri = $checkthumb;
else
$item->thumbnailUri = ''.$element->find('img',0)->src;
$item->title = trim($element->find('h3',0)->plaintext);
$item->id = str_replace('/watch?v=', '', $element->find('a',0)->href);
//$item->timestamp = getPublishDate($item->id); /* bogus: better not use it */
$item->content = '<a href="' . $item->uri . '"><img src="' . $item->thumbnailUri . '" /></a><br><a href="' . $item->uri . '">' . $item->title . '</a>';
$this->items[] = $item;
}
$this->request = 'Search: '.str_replace(' - YouTube', '', $html->find('title', 0)->plaintext);
}
else
$this->returnError('You must either specify a Youtube username (?u=...) or a channel id (?c=...) or a playlist id (?p=...) or search (?s=...)', 400);
else if (isset($param['s'])) { /* search mode */
$this->request = $param['s']; $page = 1; if (isset($param['pa'])) $page = (int)preg_replace("/[^0-9]/",'', $param['pa']);
$url_listing = $this->getURI().'results?search_query='.urlencode($this->request).'&page='.$page.'&filters=video&search_sort=video_date_uploaded';
$html = file_get_html($url_listing) or $this->returnError("Could not request YouTube. Tried:\n - $url_listing", 500);
$this->ytBridgeParseHtmlListing($html, 'div.yt-lockup', 'h3');
$this->request = 'Search: '.str_replace(' - YouTube', '', $html->find('title', 0)->plaintext);
}
else { /* no valid mode */
$this->returnError("You must either specify either:\n - YouTube username (?u=...)\n - Channel id (?c=...)\n - Playlist id (?p=...)\n - Search (?s=...)", 400);
}
}
public function getName(){
return (!empty($this->request) ? $this->request .' - ' : '') .'Youtube Bridge';
return (!empty($this->request) ? $this->request .' - ' : '') .'YouTube Bridge';
}
public function getURI(){