File xoops_lib\modules\protector\library\HTMLPurifier\AttrTransform\TargetBlank.php

1:	<?php
2:
3:	// must be called POST validation
4:
5:	/**
6:	* Adds target="blank" to all outbound links. This transform is
7:	* only attached if Attr.TargetBlank is TRUE. This works regardless
8:	* of whether or not Attr.AllowedFrameTargets
9:	*/
10:	class HTMLPurifier_AttrTransform_TargetBlank extends HTMLPurifier_AttrTransform
11:	{
12:	/**
13:	* @type HTMLPurifier_URIParser
14:	*/
15:	private $parser;
16:
17:	public function __construct()
18:	{
19:	$this->parser = new HTMLPurifier_URIParser();
20:	}
21:
22:	/**
23:	* @param array $attr
24:	* @param HTMLPurifier_Config $config
25:	* @param HTMLPurifier_Context $context
26:	* @return array
27:	*/
28:	public function transform($attr, $config, $context)
29:	{
30:	if (!isset($attr['href'])) {
31:	return $attr;
32:	}
33:
34:	// XXX Kind of inefficient
35:	$url = $this->parser->parse($attr['href']);
36:	$scheme = $url->getSchemeObj($config, $context);
37:
38:	if ($scheme->browsable && !$url->isBenign($config, $context)) {
39:	$attr['target'] = '_blank';
40:	}
41:	return $attr;
42:	}
43:	}
44:
45:	// vim: et sw=4 sts=4
46: