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<?php
/**
* @package s9e\TextFormatter
* @copyright Copyright (c) 2010-2020 The s9e authors
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
namespace s9e\TextFormatter\Configurator\TemplateNormalizations;
use DOMElement;
* Add rel="noreferrer" on links that open in a new context that would allow window.opener to be
* accessed.
*
* @link https://mathiasbynens.github.io/rel-noopener/
* @link https://wiki.whatwg.org/wiki/Links_to_Unrelated_Browsing_Contexts
class SetRelNoreferrerOnTargetedLinks extends AddAttributeValueToElements
{
* {@inheritdoc}
public function __construct(string $query = '//a[@target] | //area[@target]', string $attrName = 'rel', string $value = 'noreferrer')
parent::__construct($query, $attrName, $value);
}
protected function normalizeElement(DOMElement $element): void
if (!preg_match('(\\bno(?:open|referr)er\\b)', $element->getAttribute('rel')))
parent::normalizeElement($element);
s9e /
TextFormatter
