mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-11-25 08:58:41 +00:00
63 lines
1.9 KiB
PHP
63 lines
1.9 KiB
PHP
|
<?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
|