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https://github.com/renbaoshuo/S2OJ.git
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63 lines
1.9 KiB
PHP
63 lines
1.9 KiB
PHP
<?php
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/**
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* A "safe" object module. In theory, objects permitted by this module will
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* be safe, and untrusted users can be allowed to embed arbitrary flash objects
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* (maybe other types too, but only Flash is supported as of right now).
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* Highly experimental.
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*/
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class HTMLPurifier_HTMLModule_SafeObject extends HTMLPurifier_HTMLModule
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{
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/**
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* @type string
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*/
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public $name = 'SafeObject';
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/**
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* @param HTMLPurifier_Config $config
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*/
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public function setup($config)
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{
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// These definitions are not intrinsically safe: the attribute transforms
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// are a vital part of ensuring safety.
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$max = $config->get('HTML.MaxImgLength');
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$object = $this->addElement(
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'object',
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'Inline',
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'Optional: param | Flow | #PCDATA',
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'Common',
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array(
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// While technically not required by the spec, we're forcing
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// it to this value.
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'type' => 'Enum#application/x-shockwave-flash',
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'width' => 'Pixels#' . $max,
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'height' => 'Pixels#' . $max,
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'data' => 'URI#embedded',
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'codebase' => new HTMLPurifier_AttrDef_Enum(
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array(
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'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0'
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)
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),
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)
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);
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$object->attr_transform_post[] = new HTMLPurifier_AttrTransform_SafeObject();
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$param = $this->addElement(
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'param',
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false,
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'Empty',
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false,
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array(
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'id' => 'ID',
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'name*' => 'Text',
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'value' => 'Text'
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)
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);
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$param->attr_transform_post[] = new HTMLPurifier_AttrTransform_SafeParam();
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$this->info_injector[] = 'SafeObject';
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}
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}
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// vim: et sw=4 sts=4
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