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redis.php
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redis.php
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<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| Copyright (C) 2005-2018, The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Provide redis supported session management |
+-----------------------------------------------------------------------+
| Author: Cor Bosman <cor@roundcu.be> |
+-----------------------------------------------------------------------+
*/
/**
* Class to provide redis session storage
*
* @package Framework
* @subpackage Core
* @author Cor Bosman <cor@roundcu.be>
* @author Aleksander Machniak <alec@alec.pl>
*/
class rcube_session_redis extends rcube_session {
private $redis;
private $debug;
/**
* @param rcube_config $config
*/
public function __construct($config)
{
parent::__construct($config);
$this->redis = rcube::get_instance()->get_redis();
$this->debug = $config->get('redis_debug');
// register sessions handler
$this->register_session_handler();
}
/**
* @param $save_path
* @param $session_name
* @return bool
*/
public function open($save_path, $session_name)
{
return true;
}
/**
* @return bool
*/
public function close()
{
return true;
}
/**
* remove data from store
*
* @param $key
* @return bool
*/
public function destroy($key)
{
if ($key) {
$result = $this->redis->del($key);
if ($this->debug) {
$this->debug('delete', $key, null, $result);
}
}
return true;
}
/**
* read data from redis store
*
* @param $key
* @return string
*/
public function read($key)
{
if ($value = $this->redis->get($key)) {
$arr = unserialize($value);
$this->changed = $arr['changed'];
$this->ip = $arr['ip'];
$this->vars = $arr['vars'];
$this->key = $key;
}
if ($this->debug) {
$this->debug('get', $key, $value);
}
return $this->vars ?: '';
}
/**
* write data to redis store
*
* @param $key
* @param $newvars
* @param $oldvars
* @return bool
*/
public function update($key, $newvars, $oldvars)
{
$ts = microtime(true);
if ($newvars !== $oldvars || $ts - $this->changed > $this->lifetime / 3) {
$data = serialize(array('changed' => time(), 'ip' => $this->ip, 'vars' => $newvars));
$result = $this->redis->setex($key, $this->lifetime + 60, $data);
if ($this->debug) {
$this->debug('set', $key, $data, $result);
}
return $result;
}
return true;
}
/**
* write data to redis store
*
* @param $key
* @param $vars
* @return bool
*/
public function write($key, $vars)
{
if ($this->ignore_write) {
return true;
}
$data = serialize(array('changed' => time(), 'ip' => $this->ip, 'vars' => $vars));
$result = $this->redis->setex($key, $this->lifetime + 60, $data);
if ($this->debug) {
$this->debug('set', $key, $data, $result);
}
return $result;
}
/**
* Write memcache debug info to the log
*/
protected function debug($type, $key, $data = null, $result = null)
{
$line = strtoupper($type) . ' ' . $key;
if ($data !== null) {
$line .= ' ' . $data;
}
rcube::debug('redis', $line, $result);
}
}

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redis.php (4 KB)

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