Fix bug where vimeo plugin would not fix output of mod_url activity

media/player/vimeo/classes/plugin.php

@@ -34,7 +34,7 @@
  */
 class media_vimeo_plugin extends core_media_player_external {
     protected function embed_external(moodle_url $url, $name, $width, $height, $options) {
-        $videoid = $this->get_video_id();
+        $videourl = $this->get_video_player_url();
         $info = s($name);
 
         // Note: resizing via url is not supported, user can click the fullscreen
@@ -44,7 +44,7 @@ protected function embed_external(moodle_url $url, $name, $width, $height, $opti
 
         $output = <<<OET
 <span class="mediaplugin mediaplugin_vimeo">
-<iframe title="$info" src="https://player.vimeo.com/video/$videoid"
+<iframe title="$info" src="$videourl"
   width="$width" height="$height" frameborder="0"
   webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
 </span>
@@ -53,6 +53,10 @@ protected function embed_external(moodle_url $url, $name, $width, $height, $opti
         return $output;
     }
 
+    public function get_video_player_url(): string {
+        return "https://player.vimeo.com/video/{$this->get_video_id()}";
+    }
+
     /**
      * Get Vimeo video ID.
      * @return string

mod/url/lib.php

@@ -280,6 +280,15 @@ function url_export_contents($cm, $baseurl) {
         return [];
     }
 
+    $plugins = \core\plugininfo\media::get_enabled_plugins();
+    if (array_key_exists('vimeo', $plugins)) {
+        $media_vimeo_plugin = new media_vimeo_plugin();
+        $moodleurl = new moodle_url($fullurl);
+        if ($media_vimeo_plugin->list_supported_urls([$moodleurl])) {
+            $fullurl = $media_vimeo_plugin->get_video_player_url();
+        }
+    }
+
     $url = array();
     $url['type'] = 'url';
     $url['filename']     = clean_param(format_string($urlrecord->name), PARAM_FILE);