snappymail/snappymail/v/0.0.0/app/libraries/MailSo/Cache/Drivers/Redis.php
David Härdeman 34b8a4395a [redis] Fix call to setex()
\Predis\Client\setex doesn't return a boolean, but the current Redis
caching functionality expects it to do so.
2021-08-26 23:32:23 +02:00

111 lines
2 KiB
PHP

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