Current File : //www/old2/_muzikoterapie/uloziste.eacm.cz/lib/private/Http/Client/NegativeDnsCache.php
<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2021, Lukas Reschke <lukas@statuscode.ch>
*
* @author Arthur Schiwon <blizzz@arthur-schiwon.de>
* @author Lukas Reschke <lukas@statuscode.ch>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Http\Client;
use OCP\ICache;
use OCP\ICacheFactory;
class NegativeDnsCache {
/** @var ICache */
private $cache;
public function __construct(ICacheFactory $memcache) {
$this->cache = $memcache->createLocal('NegativeDnsCache');
}
private function createCacheKey(string $domain, int $type) : string {
return $domain . "-" . (string)$type;
}
public function setNegativeCacheForDnsType(string $domain, int $type, int $ttl) : void {
$this->cache->set($this->createCacheKey($domain, $type), "true", $ttl);
}
public function isNegativeCached(string $domain, int $type) : bool {
return (bool)$this->cache->hasKey($this->createCacheKey($domain, $type));
}
}
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