diff options
Diffstat (limited to 'inc/3rdparty/htmlpurifier/HTMLPurifier/URIFilter/DisableExternal.php')
-rw-r--r-- | inc/3rdparty/htmlpurifier/HTMLPurifier/URIFilter/DisableExternal.php | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/inc/3rdparty/htmlpurifier/HTMLPurifier/URIFilter/DisableExternal.php b/inc/3rdparty/htmlpurifier/HTMLPurifier/URIFilter/DisableExternal.php new file mode 100644 index 00000000..52e12977 --- /dev/null +++ b/inc/3rdparty/htmlpurifier/HTMLPurifier/URIFilter/DisableExternal.php | |||
@@ -0,0 +1,54 @@ | |||
1 | <?php | ||
2 | |||
3 | class HTMLPurifier_URIFilter_DisableExternal extends HTMLPurifier_URIFilter | ||
4 | { | ||
5 | /** | ||
6 | * @type string | ||
7 | */ | ||
8 | public $name = 'DisableExternal'; | ||
9 | |||
10 | /** | ||
11 | * @type array | ||
12 | */ | ||
13 | protected $ourHostParts = false; | ||
14 | |||
15 | /** | ||
16 | * @param HTMLPurifier_Config $config | ||
17 | * @return void | ||
18 | */ | ||
19 | public function prepare($config) | ||
20 | { | ||
21 | $our_host = $config->getDefinition('URI')->host; | ||
22 | if ($our_host !== null) { | ||
23 | $this->ourHostParts = array_reverse(explode('.', $our_host)); | ||
24 | } | ||
25 | } | ||
26 | |||
27 | /** | ||
28 | * @param HTMLPurifier_URI $uri Reference | ||
29 | * @param HTMLPurifier_Config $config | ||
30 | * @param HTMLPurifier_Context $context | ||
31 | * @return bool | ||
32 | */ | ||
33 | public function filter(&$uri, $config, $context) | ||
34 | { | ||
35 | if (is_null($uri->host)) { | ||
36 | return true; | ||
37 | } | ||
38 | if ($this->ourHostParts === false) { | ||
39 | return false; | ||
40 | } | ||
41 | $host_parts = array_reverse(explode('.', $uri->host)); | ||
42 | foreach ($this->ourHostParts as $i => $x) { | ||
43 | if (!isset($host_parts[$i])) { | ||
44 | return false; | ||
45 | } | ||
46 | if ($host_parts[$i] != $this->ourHostParts[$i]) { | ||
47 | return false; | ||
48 | } | ||
49 | } | ||
50 | return true; | ||
51 | } | ||
52 | } | ||
53 | |||
54 | // vim: et sw=4 sts=4 | ||