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https://github.com/the-djmaze/snappymail.git
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115 lines
2.1 KiB
PHP
115 lines
2.1 KiB
PHP
<?php
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/*
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* This file is part of MailSo.
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*
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* (c) 2014 Usenko Timur
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace MailSo\Cache\Drivers;
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/**
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* @category MailSo
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* @package Cache
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* @subpackage Drivers
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*/
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class Redis implements \MailSo\Cache\DriverInterface
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{
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/**
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* @var string
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*/
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private $sHost;
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/**
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* @var int
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*/
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private $iPost;
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/**
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* @var int
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*/
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private $iExpire;
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/**
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* @var \Memcache|null
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*/
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private $oRedis;
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/**
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* @var string
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*/
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private $sKeyPrefix;
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function __construct(string $sHost = '127.0.0.1', int $iPost = 6379, int $iExpire = 43200, string $sKeyPrefix = '')
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{
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$this->sHost = $sHost;
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$this->iPost = $iPost;
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$this->iExpire = 0 < $iExpire ? $iExpire : 43200;
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$this->oRedis = null;
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try
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{
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$this->oRedis = new \Predis\Client('unix:' === substr($sHost, 0, 5) ? $sHost : array(
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'host' => $sHost,
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'port' => $iPost
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));
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$this->oRedis->connect();
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if (!$this->oRedis->isConnected())
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{
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$this->oRedis = null;
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}
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}
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catch (\Throwable $oExc)
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{
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$this->oRedis = null;
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unset($oExc);
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}
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$this->sKeyPrefix = $sKeyPrefix;
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if (!empty($this->sKeyPrefix))
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{
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$this->sKeyPrefix =
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\preg_replace('/[^a-zA-Z0-9_]/', '_', rtrim(trim($this->sKeyPrefix), '\\/')).'/';
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}
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}
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public function Set(string $sKey, string $sValue) : bool
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{
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return $this->oRedis ? $this->oRedis->setex($this->generateCachedKey($sKey), $this->iExpire, $sValue) : false;
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}
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public function Get(string $sKey) : string
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{
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$sValue = $this->oRedis ? $this->oRedis->get($this->generateCachedKey($sKey)) : '';
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return \is_string($sValue) ? $sValue : '';
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}
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public function Delete(string $sKey) : void
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{
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if ($this->oRedis)
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{
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$this->oRedis->del($this->generateCachedKey($sKey));
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}
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}
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public function GC(int $iTimeToClearInHours = 24) : bool
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{
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if (0 === $iTimeToClearInHours && $this->oRedis)
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{
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return $this->oRedis->flushdb();
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}
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return false;
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}
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private function generateCachedKey(string $sKey) : string
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{
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return $this->sKeyPrefix.\sha1($sKey);
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}
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}
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