first import

sites/all/modules/media_youtube/includes/MediaInternetYouTubeHandler.inc

@@ -0,0 +1,89 @@
+<?php
+
+/**
+ * Implementation of MediaInternetBaseHandler.
+ *
+ * @see hook_media_internet_providers().
+ */
+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 ($response->code != 200) {
+      throw new MediaInternetValidationException(t('The YouTube video ID is invalid or the video was deleted.'));
+    }
+    return TRUE;
+  }
+
+  public function claim($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);
+    }
+  }
+}