1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
<?php
/**
* A "safe" object module. In theory, objects permitted by this module will
* be safe, and untrusted users can be allowed to embed arbitrary flash objects
* (maybe other types too, but only Flash is supported as of right now).
* Highly experimental.
*/
class HTMLPurifier_HTMLModule_SafeObject extends HTMLPurifier_HTMLModule
{
/**
* @type string
*/
public $name = 'SafeObject';
/**
* @param HTMLPurifier_Config $config
*/
public function setup($config)
{
// These definitions are not intrinsically safe: the attribute transforms
// are a vital part of ensuring safety.
$max = $config->get('HTML.MaxImgLength');
$object = $this->addElement(
'object',
'Inline',
'Optional: param | Flow | #PCDATA',
'Common',
array(
// While technically not required by the spec, we're forcing
// it to this value.
'type' => 'Enum#application/x-shockwave-flash',
'width' => 'Pixels#' . $max,
'height' => 'Pixels#' . $max,
'data' => 'URI#embedded',
'codebase' => new HTMLPurifier_AttrDef_Enum(
array(
'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0'
)
),
)
);
$object->attr_transform_post[] = new HTMLPurifier_AttrTransform_SafeObject();
$param = $this->addElement(
'param',
false,
'Empty',
false,
array(
'id' => 'ID',
'name*' => 'Text',
'value' => 'Text'
)
);
$param->attr_transform_post[] = new HTMLPurifier_AttrTransform_SafeParam();
$this->info_injector[] = 'SafeObject';
}
}
// vim: et sw=4 sts=4
|
