summaryrefslogtreecommitdiff
path: root/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/ValidateAttributes.php
blob: fbb3d27c81238318c2e1b435910bc4ed3b060fac (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
41
42
43
44
45
<?php

/**
 * Validate all attributes in the tokens.
 */

class HTMLPurifier_Strategy_ValidateAttributes extends HTMLPurifier_Strategy
{

    /**
     * @param HTMLPurifier_Token[] $tokens
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return HTMLPurifier_Token[]
     */
    public function execute($tokens, $config, $context)
    {
        // setup validator
        $validator = new HTMLPurifier_AttrValidator();

        $token = false;
        $context->register('CurrentToken', $token);

        foreach ($tokens as $key => $token) {

            // only process tokens that have attributes,
            //   namely start and empty tags
            if (!$token instanceof HTMLPurifier_Token_Start && !$token instanceof HTMLPurifier_Token_Empty) {
                continue;
            }

            // skip tokens that are armored
            if (!empty($token->armor['ValidateAttributes'])) {
                continue;
            }

            // note that we have no facilities here for removing tokens
            $validator->validateToken($token, $config, $context);
        }
        $context->destroy('CurrentToken');
        return $tokens;
    }
}

// vim: et sw=4 sts=4