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