diff options
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/Filter/YouTube.php')
-rw-r--r-- | inc/3rdparty/htmlpurifier/HTMLPurifier/Filter/YouTube.php | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/Filter/YouTube.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/Filter/YouTube.php new file mode 100644 index 00000000..9200802a --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/Filter/YouTube.php | |||
@@ -0,0 +1,65 @@ | |||
1 | <?php | ||
2 | |||
3 | class HTMLPurifier_Filter_YouTube extends HTMLPurifier_Filter | ||
4 | { | ||
5 | |||
6 | /** | ||
7 | * @type string | ||
8 | */ | ||
9 | public $name = 'YouTube'; | ||
10 | |||
11 | /** | ||
12 | * @param string $html | ||
13 | * @param HTMLPurifier_Config $config | ||
14 | * @param HTMLPurifier_Context $context | ||
15 | * @return string | ||
16 | */ | ||
17 | public function preFilter($html, $config, $context) | ||
18 | { | ||
19 | $pre_regex = '#<object[^>]+>.+?' . | ||
20 | 'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s'; | ||
21 | $pre_replace = '<span class="youtube-embed">\1</span>'; | ||
22 | return preg_replace($pre_regex, $pre_replace, $html); | ||
23 | } | ||
24 | |||
25 | /** | ||
26 | * @param string $html | ||
27 | * @param HTMLPurifier_Config $config | ||
28 | * @param HTMLPurifier_Context $context | ||
29 | * @return string | ||
30 | */ | ||
31 | public function postFilter($html, $config, $context) | ||
32 | { | ||
33 | $post_regex = '#<span class="youtube-embed">((?:v|cp)/[A-Za-z0-9\-_=]+)</span>#'; | ||
34 | return preg_replace_callback($post_regex, array($this, 'postFilterCallback'), $html); | ||
35 | } | ||
36 | |||
37 | /** | ||
38 | * @param $url | ||
39 | * @return string | ||
40 | */ | ||
41 | protected function armorUrl($url) | ||
42 | { | ||
43 | return str_replace('--', '--', $url); | ||
44 | } | ||
45 | |||
46 | /** | ||
47 | * @param array $matches | ||
48 | * @return string | ||
49 | */ | ||
50 | protected function postFilterCallback($matches) | ||
51 | { | ||
52 | $url = $this->armorUrl($matches[1]); | ||
53 | return '<object width="425" height="350" type="application/x-shockwave-flash" ' . | ||
54 | 'data="http://www.youtube.com/' . $url . '">' . | ||
55 | '<param name="movie" value="http://www.youtube.com/' . $url . '"></param>' . | ||
56 | '<!--[if IE]>' . | ||
57 | '<embed src="http://www.youtube.com/' . $url . '"' . | ||
58 | 'type="application/x-shockwave-flash"' . | ||
59 | 'wmode="transparent" width="425" height="350" />' . | ||
60 | '<![endif]-->' . | ||
61 | '</object>'; | ||
62 | } | ||
63 | } | ||
64 | |||
65 | // vim: et sw=4 sts=4 | ||