Файл: vendor/league/commonmark/src/Extension/Embed/DomainFilteringAdapter.php
Строк: 49
<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace LeagueCommonMarkExtensionEmbed;
class DomainFilteringAdapter implements EmbedAdapterInterface
{
private EmbedAdapterInterface $decorated;
/** @psalm-var non-empty-string */
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
{
$this->decorated->updateEmbeds(array_values(array_filter($embeds, function (Embed $embed): bool {
return preg_match($this->regex, $embed->getUrl()) === 1;
})));
}
/**
* @param string[] $allowedDomains
*
* @psalm-return non-empty-string
*/
private static function createRegex(array $allowedDomains): string
{
$allowedDomains = array_map('preg_quote', $allowedDomains);
return '/^(?:https?://)?(?:[^.]+.)*(' . implode('|', $allowedDomains) . ')/';
}
}