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<?php
/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
/**
* Helper for escaping comments, but preserving links
*/
class Zend_View_Helper_EscapeComment extends Zend_View_Helper_Abstract
{
/**
* The purifier to use for escaping
*
* @var HTMLPurifier
*/
protected static $purifier;
/**
* Escape any comment for being placed inside HTML, but preserve simple links (<a href="...">).
*
* @param string $comment
*
* @return string
*/
public function escapeComment($comment)
{
if (self::$purifier === null) {
require_once 'HTMLPurifier/Bootstrap.php';
require_once 'HTMLPurifier.php';
require_once 'HTMLPurifier.autoload.php';
$config = HTMLPurifier_Config::createDefault();
$config->set('Core.EscapeNonASCIICharacters', true);
$config->set('HTML.Allowed', 'a[href]');
$config->set('Cache.DefinitionImpl', null);
self::$purifier = new HTMLPurifier($config);
}
return self::$purifier->purify($comment);
}
}
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