Petr Skoda
e9df54952c
Includes one extra fix for _blank 8c9d461a6259d7b8ac4ae5c9c9e95ab176cfcda3 compared to 4.4.0 release.
39 lines
887 B
PHP
39 lines
887 B
PHP
<?php
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// must be called POST validation
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/**
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* Adds target="blank" to all outbound links. This transform is
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* only attached if Attr.TargetBlank is TRUE. This works regardless
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* of whether or not Attr.AllowedFrameTargets
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*/
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class HTMLPurifier_AttrTransform_TargetBlank extends HTMLPurifier_AttrTransform
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{
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private $parser;
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public function __construct() {
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$this->parser = new HTMLPurifier_URIParser();
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}
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public function transform($attr, $config, $context) {
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if (!isset($attr['href'])) {
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return $attr;
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}
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// XXX Kind of inefficient
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$url = $this->parser->parse($attr['href']);
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$scheme = $url->getSchemeObj($config, $context);
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if ($scheme->browsable && !$url->isBenign($config, $context)) {
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$attr['target'] = '_blank';
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}
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return $attr;
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}
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}
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// vim: et sw=4 sts=4
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