SWAMPy

✎ CARVE FLESH

EDITING: TargetBlank.php

<?php

// must be called POST validation

/**
 * Adds target="blank" to all outbound links.  This transform is
 * only attached if Attr.TargetBlank is TRUE.  This works regardless
 * of whether or not Attr.AllowedFrameTargets
 */
class HTMLPurifier_AttrTransform_TargetBlank extends HTMLPurifier_AttrTransform
{
    /**
     * @type HTMLPurifier_URIParser
     */
    private $parser;

public function __construct()
    {
        $this->parser = new HTMLPurifier_URIParser();
    }

/**
     * @param array $attr
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return array
     */
    public function transform($attr, $config, $context)
    {
        if (!isset($attr['href'])) {
            return $attr;
        }

// XXX Kind of inefficient
        $url = $this->parser->parse($attr['href']);
        
        // Ignore invalid schemes (e.g. `javascript:`)
        if (!($scheme = $url->getSchemeObj($config, $context))) {
            return $attr;
        }

if ($scheme->browsable && !$url->isBenign($config, $context)) {
            $attr['target'] = '_blank';
        }
        return $attr;
    }
}

// vim: et sw=4 sts=4

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 Background.php	PHP	696 B	2026-02-11 01:44	EDIT
📄 BdoDir.php	PHP	639 B	2026-02-11 01:44	EDIT
📄 BgColor.php	PHP	672 B	2026-02-11 01:44	EDIT
📄 BoolToCSS.php	PHP	1.1 KB	2026-02-11 01:44	EDIT
📄 Border.php	PHP	676 B	2026-02-11 01:44	EDIT
📄 EnumToCSS.php	PHP	1.7 KB	2026-02-11 01:44	EDIT
📄 ImgRequired.php	PHP	1.3 KB	2026-02-11 01:44	EDIT
📄 ImgSpace.php	PHP	1.4 KB	2026-02-11 01:44	EDIT
📄 Input.php	PHP	1.6 KB	2026-02-11 01:44	EDIT
📄 Lang.php	PHP	856 B	2026-02-11 01:44	EDIT
📄 Length.php	PHP	984 B	2026-02-11 01:44	EDIT
📄 Name.php	PHP	808 B	2026-02-11 01:44	EDIT
📄 NameSync.php	PHP	1.1 KB	2026-02-11 01:44	EDIT
📄 Nofollow.php	PHP	1.3 KB	2026-02-11 01:44	EDIT
📄 SafeEmbed.php	PHP	570 B	2026-02-11 01:44	EDIT
📄 SafeObject.php	PHP	609 B	2026-02-11 01:44	EDIT
📄 SafeParam.php	PHP	2.6 KB	2026-02-11 01:44	EDIT
📄 ScriptRequired.php	PHP	516 B	2026-02-11 01:44	EDIT
📄 TargetBlank.php	PHP	1.2 KB	2026-02-11 01:44	EDIT
📄 TargetNoopener.php	PHP	1022 B	2026-02-11 01:44	EDIT
📄 TargetNoreferrer.php	PHP	1 KB	2026-02-11 01:44	EDIT
📄 Textarea.php	PHP	599 B	2026-02-11 01:44	EDIT