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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <[email protected]>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Extension\Embed;
class DomainFilteringAdapter implements EmbedAdapterInterface
{
private EmbedAdapterInterface $decorated;
private string $regex;
/**
* @param string[] $allowedDomains
public function __construct(EmbedAdapterInterface $decorated, array $allowedDomains)
$this->decorated = $decorated;
$this->regex = self::createRegex($allowedDomains);
}
* {@inheritDoc}
public function updateEmbeds(array $embeds): void
$this->decorated->updateEmbeds(\array_filter($embeds, function (Embed $embed): bool {
return \preg_match($this->regex, $embed->getUrl()) === 1;
}));
private static function createRegex(array $allowedDomains): string
$allowedDomains = \array_map('preg_quote', $allowedDomains);
return '/^(?:https?:\/\/)?(?:[^.]+\.)*(' . \implode('|', $allowedDomains) . ')/';
thephpleague /
commonmark
