[add] HTML Purifier added to clean code

[github/wallabag/wallabag.git] / inc / 3rdparty / htmlpurifier / HTMLPurifier / AttrTransform / TargetBlank.php

<?php\r
\r
// must be called POST validation\r
\r
/**\r
 * Adds target="blank" to all outbound links.  This transform is\r
 * only attached if Attr.TargetBlank is TRUE.  This works regardless\r
 * of whether or not Attr.AllowedFrameTargets\r
 */\r
class HTMLPurifier_AttrTransform_TargetBlank extends HTMLPurifier_AttrTransform\r
{\r
    /**\r
     * @type HTMLPurifier_URIParser\r
     */\r
    private $parser;\r
\r
    public function __construct()\r
    {\r
        $this->parser = new HTMLPurifier_URIParser();\r
    }\r
\r
    /**\r
     * @param array $attr\r
     * @param HTMLPurifier_Config $config\r
     * @param HTMLPurifier_Context $context\r
     * @return array\r
     */\r
    public function transform($attr, $config, $context)\r
    {\r
        if (!isset($attr['href'])) {\r
            return $attr;\r
        }\r
\r
        // XXX Kind of inefficient\r
        $url = $this->parser->parse($attr['href']);\r
        $scheme = $url->getSchemeObj($config, $context);\r
\r
        if ($scheme->browsable && !$url->isBenign($config, $context)) {\r
            $attr['target'] = '_blank';\r
        }\r
        return $attr;\r
    }\r
}\r
\r
// vim: et sw=4 sts=4\r