|
1
|
<?php
|
|
2
|
|
|
3
|
/**
|
|
4
|
* @file
|
|
5
|
* Extends the MediaReadOnlyStreamWrapper class to handle YouTube videos.
|
|
6
|
*/
|
|
7
|
|
|
8
|
/**
|
|
9
|
* Create an instance like this:
|
|
10
|
* $youtube = new MediaYouTubeStreamWrapper('youtube://v/[video-code]');
|
|
11
|
*/
|
|
12
|
class MediaYouTubeStreamWrapper extends MediaReadOnlyStreamWrapper {
|
|
13
|
protected $base_url = 'http://www.youtube.com/watch';
|
|
14
|
|
|
15
|
static function getMimeType($uri, $mapping = NULL) {
|
|
16
|
return 'video/youtube';
|
|
17
|
}
|
|
18
|
|
|
19
|
function getOriginalThumbnailPath() {
|
|
20
|
$parts = $this->get_parameters();
|
|
21
|
$uri = file_stream_wrapper_uri_normalize('youtube://v/' . check_plain($parts['v']));
|
|
22
|
$external_url = file_create_url($uri);
|
|
23
|
$oembed_url = url('http://www.youtube.com/oembed', array('query' => array('url' => $external_url, 'format' => 'json')));
|
|
24
|
$response = drupal_http_request($oembed_url);
|
|
25
|
|
|
26
|
if (!isset($response->error)) {
|
|
27
|
$data = drupal_json_decode($response->data);
|
|
28
|
return $data['thumbnail_url'];
|
|
29
|
}
|
|
30
|
else {
|
|
31
|
throw new Exception("Error Processing Request. (Error: {$response->code}, {$response->error})");
|
|
32
|
return;
|
|
33
|
}
|
|
34
|
}
|
|
35
|
|
|
36
|
function getLocalThumbnailPath() {
|
|
37
|
$parts = $this->get_parameters();
|
|
38
|
// There's no need to hide thumbnails, always use the public system rather
|
|
39
|
// than file_default_scheme().
|
|
40
|
$local_path = 'public://media-youtube/' . check_plain($parts['v']) . '.jpg';
|
|
41
|
|
|
42
|
if (!file_exists($local_path)) {
|
|
43
|
$dirname = drupal_dirname($local_path);
|
|
44
|
file_prepare_directory($dirname, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS);
|
|
45
|
$response = drupal_http_request($this->getOriginalThumbnailPath());
|
|
46
|
|
|
47
|
if (!isset($response->error)) {
|
|
48
|
file_unmanaged_save_data($response->data, $local_path, TRUE);
|
|
49
|
}
|
|
50
|
else {
|
|
51
|
@copy($this->getOriginalThumbnailPath(), $local_path);
|
|
52
|
}
|
|
53
|
}
|
|
54
|
|
|
55
|
return $local_path;
|
|
56
|
}
|
|
57
|
}
|
