mirror of
https://github.com/avecms/AVE.cms.git
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155 lines
3.6 KiB
PHP
155 lines
3.6 KiB
PHP
<?php
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/**
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* AVE.cms
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*
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* @package AVE.cms
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* @version 3.x
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* @filesource
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* @copyright © 2007-2014 AVE.cms, http://www.ave-cms.ru
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*
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* @license GPL v.2
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*/
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class AVE_Session_DB
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{
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public $sess_lifetime;
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/**
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* Хост
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*
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* @var string
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*/
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protected $db_host;
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/**
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* Имя пользователя
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*
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* @var string
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*/
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protected $db_user;
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/**
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* Пароль
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*
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* @var string
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*/
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protected $db_pass;
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/**
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* Имя текущей БД.
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*
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* @var string
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*/
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protected $db_dbase;
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/**
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* Префикс БД.
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*
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* @var string
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*/
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protected $db_prefix;
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private $mysql_connect = null;
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private $mysql_db = null;
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/* Create a connection to a database */
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function __construct()
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{
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// Подключаем конфигурационный файл с параметрами подключения
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require (BASE_DIR . '/config/db.config.php');
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$this->db_host = $config['dbhost'];
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$this->db_user = $config['dbuser'];
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$this->db_pass = $config['dbpass'];
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$this->db_dbase = $config['dbname'];
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$this->db_prefix = $config['dbpref'];
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$this->sess_lifetime = (defined('SESSION_LIFETIME') && is_numeric(SESSION_LIFETIME))
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? SESSION_LIFETIME
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: (get_cfg_var("session.gc_maxlifetime") < 1440
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? 1440
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: get_cfg_var("session.gc_maxlifetime"));
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if (! $this->mysql_connect = mysqli_connect ($this->db_host, $this->db_user, $this->db_pass))
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$this->error();
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if (! $this->mysql_db = mysqli_select_db ($this->mysql_connect, $this->db_dbase))
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$this->error();
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$this->mysql_connect->set_charset('utf8');
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return true;
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}
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/* Open session */
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function _open($path, $name)
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{
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return true;
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}
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/* Close session */
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function _close()
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{
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@mysqli_query($this->mysql_connect, "DELETE FROM " . PREFIX . "_sessions WHERE expiry < '" . time() . "'");
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if ($this->mysql_connect !== null)
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@mysqli_close($this->mysql_connect);
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return true;
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}
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/* Read session */
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function _read($ses_id)
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{
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$qid = @mysqli_query($this->mysql_connect, "SELECT value, Ip FROM " . PREFIX . "_sessions WHERE sesskey = '" . $ses_id . "' AND expiry > '" . time() . "'");
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if ((list($value, $ip) = @mysqli_fetch_row($qid)) && $ip == $_SERVER['REMOTE_ADDR'])
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return $value;
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return '';
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}
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/* Write new data */
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function _write($ses_id, $data)
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{
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if (! $qid = @mysqli_query($this->mysql_connect, "INSERT INTO ".PREFIX."_sessions VALUES ('".$ses_id."', ".(time()+$this->sess_lifetime).", '".addslashes($data)."', '".$_SERVER['REMOTE_ADDR']."', FROM_UNIXTIME(expiry, '%d.%m.%Y, %H:%i:%s'))"))
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$qid = @mysqli_query($this->mysql_connect, "UPDATE ".PREFIX."_sessions SET expiry = ".(time()+$this->sess_lifetime).", expire_datum = FROM_UNIXTIME(expiry,'%d.%m.%Y, %H:%i:%s'), value = '".addslashes($data)."', Ip = '".$_SERVER['REMOTE_ADDR']."' WHERE sesskey = '".$ses_id."' AND expiry > '".time()."'");
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return $qid;
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}
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/* Destroy session */
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function _destroy($ses_id)
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{
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return @mysqli_query($this->mysql_connect, "DELETE FROM ".PREFIX."_sessions WHERE sesskey = '".$ses_id."'");
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}
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/* Garbage collection, deletes old sessions */
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function _gc($maxlifetime)
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{
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$session_res = @mysqli_query($this->mysql_connect, "DELETE FROM ".PREFIX."_sessions WHERE expire < (UNIX_TIMESTAMP(NOW()) - " . (int)$maxlifetime . ")");
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if (! $session_res)
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return false;
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else
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return true;
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}
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function error() {
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ob_start();
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header('HTTP/1.1 503 Service Temporarily Unavailable');
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header('Status: 503 Service Temporarily Unavailable');
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header('Retry-After: 3600');
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header('X-Powered-By:');
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display_notice("Error connect to MySQL.");
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die;
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}
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}
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?>
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