summaryrefslogtreecommitdiff
path: root/vendor/ezyang/htmlpurifier/library/HTMLPurifier/HTMLModule/SafeScripting.php
blob: 0330cd97f80190237966ae022c7cba2941a808b9 (plain)
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
<?php

/**
 * A "safe" script module. No inline JS is allowed, and pointed to JS
 * files must match whitelist.
 */
class HTMLPurifier_HTMLModule_SafeScripting extends HTMLPurifier_HTMLModule
{
    /**
     * @type string
     */
    public $name = 'SafeScripting';

    /**
     * @param HTMLPurifier_Config $config
     */
    public function setup($config)
    {
        // These definitions are not intrinsically safe: the attribute transforms
        // are a vital part of ensuring safety.

        $allowed = $config->get('HTML.SafeScripting');
        $script = $this->addElement(
            'script',
            'Inline',
            'Empty',
            null,
            array(
                // While technically not required by the spec, we're forcing
                // it to this value.
                'type' => 'Enum#text/javascript',
                'src*' => new HTMLPurifier_AttrDef_Enum(array_keys($allowed))
            )
        );
        $script->attr_transform_pre[] =
        $script->attr_transform_post[] = new HTMLPurifier_AttrTransform_ScriptRequired();
    }
}

// vim: et sw=4 sts=4