41 lines
1.2 KiB
PHP
41 lines
1.2 KiB
PHP
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<?php
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/**
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* A "safe" script module. No inline JS is allowed, and pointed to JS
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* files must match whitelist.
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*/
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class HTMLPurifier_HTMLModule_SafeScripting 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 = 'SafeScripting';
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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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$allowed = $config->get('HTML.SafeScripting');
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$script = $this->addElement(
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'script',
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'Inline',
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'Optional:', // Not `Empty` to not allow to autoclose the <script /> tag @see https://www.w3.org/TR/html4/interact/scripts.html
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null,
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array(
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// While technically not required by the spec, we're forcing
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// it to this value.
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'type' => 'Enum#text/javascript',
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'src*' => new HTMLPurifier_AttrDef_Enum(array_keys($allowed), /*case sensitive*/ true)
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)
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);
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$script->attr_transform_pre[] =
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$script->attr_transform_post[] = new HTMLPurifier_AttrTransform_ScriptRequired();
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}
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}
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// vim: et sw=4 sts=4
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