class MediaInternetYouTubeHandler in Media: YouTube 7

Implementation of MediaInternetBaseHandler.

Hierarchy

• class \MediaInternetYouTubeHandler extends \MediaInternetBaseHandler

See also

hook_media_internet_providers().

File

includes/MediaInternetYouTubeHandler.inc, line 8

class MediaInternetYouTubeHandler extends MediaInternetBaseHandler {
  public function parse($embedCode) {
    $patterns = array(
      '@youtube\\.com/watch[#\\?].*?v=([^"\\& ]+)@i',
      '@youtube\\.com/embed/([^"\\&\\? ]+)@i',
      '@youtube\\.com/v/([^"\\&\\? ]+)@i',
      '@youtube\\.com/\\?v=([^"\\& ]+)@i',
      '@youtu.be/([^"\\&\\? ]+)@i',
    );
    foreach ($patterns as $pattern) {
      preg_match($pattern, $embedCode, $matches);
      if (isset($matches[1]) && $this
        ->valid_id($matches[1])) {
        return file_stream_wrapper_uri_normalize('youtube://v/' . $matches[1]);
      }
    }
  }
  public function valid_id($id) {
    $url = 'http://gdata.youtube.com/feeds/api/videos/' . $id;
    $response = drupal_http_request($url, array(
      'method' => 'HEAD',
    ));
    if ($response->code == 401) {
      throw new MediaInternetValidationException("Embedding has been disabled for this video.");
    }
    elseif ($response->code != 200) {
      throw new MediaInternetValidationException("The YouTube video ID is invalid or the video was deleted.");
    }
    return TRUE;
  }
  public function claim($embedCode) {
    if ($this
      ->parse($embedCode)) {
      return TRUE;
    }
  }
  public function getFileObject() {
    $uri = $this
      ->parse($this->embedCode);
    $file = file_uri_to_object($uri, TRUE);
    if (empty($file->fid) && ($info = $this
      ->getOEmbed())) {
      $file->filename = truncate_utf8($info['title'], 255);
    }
    return $file;
  }

  /**
   * Returns information about the media. See http://video.search.yahoo.com/mrss.
   *
   * @return
   *   If ATOM+MRSS information is available, a SimpleXML element containing
   *   ATOM and MRSS elements, as per those respective specifications.
   *
   * @todo Would be better for the return value to be an array rather than a
   *   SimpleXML element, but media_retrieve_xml() needs to be upgraded to
   *   handle namespaces first.
   */
  public function getMRSS() {
    $uri = $this
      ->parse($this->embedCode);
    $video_id = arg(1, file_uri_target($uri));
    $rss_url = url('http://gdata.youtube.com/feeds/api/videos/' . $video_id, array(
      'query' => array(
        'v' => '2',
      ),
    ));

    // @todo Use media_retrieve_xml() once it's upgraded to include elements
    //   from all namespaces, not just the document default namespace.
    $entry = simplexml_load_file($rss_url);
    return $entry;
  }

  /**
   * Returns information about the media. See http://www.oembed.com/.
   *
   * @return
   *   If oEmbed information is available, an array containing 'title', 'type',
   *   'url', and other information as specified by the oEmbed standard.
   *   Otherwise, NULL.
   */
  public function getOEmbed() {
    $uri = $this
      ->parse($this->embedCode);
    $external_url = drupal_realpath($uri);
    $oembed_url = url('http://www.youtube.com/oembed', array(
      'query' => array(
        'url' => $external_url,
        'format' => 'json',
      ),
    ));
    $response = drupal_http_request($oembed_url);
    if (!isset($response->error)) {
      return drupal_json_decode($response->data);
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
MediaInternetYouTubeHandler::claim	public	function
MediaInternetYouTubeHandler::getFileObject	public	function
MediaInternetYouTubeHandler::getMRSS	public	function	Returns information about the media. See http://video.search.yahoo.com/mrss.
MediaInternetYouTubeHandler::getOEmbed	public	function	Returns information about the media. See http://www.oembed.com/.
MediaInternetYouTubeHandler::parse	public	function
MediaInternetYouTubeHandler::valid_id	public	function