Revision 70a4c29b
Added by Assos Assos over 9 years ago
| drupal7/sites/all/modules/media_youtube/includes/MediaInternetYouTubeHandler.inc | ||
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<?php |
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/** |
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* @file media_youtube/includes/MediaInterenetYouTubeHandler.inc |
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* |
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* Contains MediaInternetYouTubeHandler. |
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* @file |
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* Extends the MediaInternetBaseHandler class to handle YouTube videos. |
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*/ |
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/** |
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* @see hook_media_internet_providers(). |
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*/ |
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class MediaInternetYouTubeHandler extends MediaInternetBaseHandler {
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/** |
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* Check if a YouTube video id is valid. |
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* |
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* Check against the oembed stream instead of the gdata api site to |
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* avoid "yt:quota too_many_recent_calls" errors. |
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* |
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* @return |
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* Boolean. |
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*/ |
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static public function validId($id) {
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$url = 'http://www.youtube.com/oembed?url=http%3A//youtube.com/watch%3Fv%3D'. $id; |
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$response = drupal_http_request($url, array('method' => 'HEAD'));
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if ($response->code == 401) {
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throw new MediaInternetValidationException("Embedding has been disabled for this video.");
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} |
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elseif ($response->code != 200) {
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throw new MediaInternetValidationException("The YouTube video ID is invalid or the video was deleted.");
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} |
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return TRUE; |
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} |
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public function parse($embedCode) {
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// http://youtube.com/watch/* |
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// http://youtube.com/embed/* |
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// http://youtube.com/v/* |
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// http://youtube.com/?v=* |
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// http://youtu.be/* |
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// http://gdata.youtube.com/feeds/api/videos/* |
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$patterns = array( |
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'@youtube\.com/watch[#\?].*?v=([^"\& ]+)@i', |
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'@youtube\.com/embed/([^"\&\? ]+)@i', |
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'@youtu\.be/([^"\&\? ]+)@i', |
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'@gdata\.youtube\.com/feeds/api/videos/([^"\&\? ]+)@i', |
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); |
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foreach ($patterns as $pattern) {
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preg_match($pattern, $embedCode, $matches); |
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// @TODO: Parse is called often. Refactor so that valid ID is checked |
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$uri = $this->parse($this->embedCode); |
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$file = file_uri_to_object($uri, TRUE); |
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// Try to default the file name to the video's title. |
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if (empty($file->fid) && $info = $this->getOEmbed()) {
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$file->filename = truncate_utf8($info['title'], 255); |
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} |
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} |
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/** |
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* Returns information about the media. See http://video.search.yahoo.com/mrss.
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* Returns information about the media. |
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* |
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* @return |
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* If ATOM+MRSS information is available, a SimpleXML element containing |
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* ATOM and MRSS elements, as per those respective specifications. |
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* |
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* @todo Would be better for the return value to be an array rather than a |
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* SimpleXML element, but media_retrieve_xml() needs to be upgraded to |
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* handle namespaces first. |
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*/ |
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public function getMRSS() {
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$uri = $this->parse($this->embedCode); |
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$video_id = arg(1, file_uri_target($uri)); |
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$rss_url = url('http://gdata.youtube.com/feeds/api/videos/' . $video_id, array('query' => array('v' => '2')));
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// @todo Use media_retrieve_xml() once it's upgraded to include elements |
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// from all namespaces, not just the document default namespace. |
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$request = drupal_http_request($rss_url); |
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if (!isset($request->error)) {
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$entry = simplexml_load_string($request->data); |
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} |
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else {
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throw new Exception("Error Processing Request. (Error: {$response->code}, {$response->error})");
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//if request wasn't successful, create object for return to avoid errors |
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$entry = new SimpleXMLElement(); |
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} |
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return $entry; |
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} |
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/** |
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* Returns information about the media. See http://www.oembed.com/. |
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* See http://www.oembed.com. |
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* |
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* @return |
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* If oEmbed information is available, an array containing 'title', 'type', |
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$external_url = file_create_url($uri); |
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$oembed_url = url('http://www.youtube.com/oembed', array('query' => array('url' => $external_url, 'format' => 'json')));
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$response = drupal_http_request($oembed_url); |
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if (!isset($response->error)) {
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return drupal_json_decode($response->data); |
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} |
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return; |
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} |
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} |
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/** |
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* Check if a YouTube video ID is valid. |
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* |
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* @return boolean |
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* TRUE if the video ID is valid, or throws a |
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* MediaInternetValidationException otherwise. |
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*/ |
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static public function validId($id) {
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$uri = file_stream_wrapper_uri_normalize('youtube://v/' . check_plain($id));
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$external_url = file_create_url($uri); |
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$oembed_url = url('http://www.youtube.com/oembed', array('query' => array('url' => $external_url, 'format' => 'json')));
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$response = drupal_http_request($oembed_url, array('method' => 'HEAD'));
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if ($response->code == 401) {
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throw new MediaInternetValidationException('Embedding has been disabled for this YouTube video.');
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} |
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elseif ($response->code != 200) {
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throw new MediaInternetValidationException('The YouTube video ID is invalid or the video was deleted.');
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} |
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return TRUE; |
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} |
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} |
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