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✎ Editing: TargetBlank.php ← Back

<?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']);

$scheme = $url->getSchemeObj($config, $context);

if ($scheme->browsable && !$url->isBenign($config, $context)) {

$attr['target'] = '_blank';

}

return $attr;

}

// vim: et sw=4 sts=4

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