34 lines
846 B
PHP
34 lines
846 B
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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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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