Ver. 3.2

class/class.session.php

@@ -0,0 +1,161 @@
+<?php
+
+/**
+ * AVE.cms
+ *
+ * @package AVE.cms
+ * @version 3.x
+ * @filesource
+ * @copyright © 2007-2014 AVE.cms, http://www.ave-cms.ru
+ *
+ * @license GPL v.2
+ */
+
+class AVE_Session_DB
+{
+
+	public $sess_lifetime;
+
+	/**
+	 * Хост
+	 *
+	 * @var string
+	 */
+	protected $db_host;
+
+	/**
+	 * Имя пользователя
+	 *
+	 * @var string
+	 */
+	protected $db_user;
+
+	/**
+	 * Пароль
+	 *
+	 * @var string
+	 */
+	protected $db_pass;
+
+	/**
+	 * Имя текущей БД.
+	 *
+	 * @var string
+	 */
+	protected $db_dbase;
+
+	/**
+	 * Префикс БД.
+	 *
+	 * @var string
+	 */
+	protected $db_prefix;
+
+	private $mysql_connect = null;
+	private $mysql_db = null;
+
+	/* Create a connection to a database */
+	function __construct()
+	{
+		// Подключаем конфигурационный файл с параметрами подключения
+		require (BASE_DIR . '/inc/db.config.php');
+
+		$this->db_host = $config['dbhost'];
+		$this->db_user = $config['dbuser'];
+		$this->db_pass = $config['dbpass'];
+		$this->db_dbase = $config['dbname'];
+		$this->db_prefix = $config['dbpref'];
+
+		$this->sess_lifetime = (defined('SESSION_LIFETIME') && is_numeric(SESSION_LIFETIME))
+			? SESSION_LIFETIME
+			: (get_cfg_var("session.gc_maxlifetime") < 1440
+				? 1440
+				: get_cfg_var("session.gc_maxlifetime"));
+
+		if (! $this->mysql_connect = mysqli_connect ($this->db_host, $this->db_user, $this->db_pass))
+		{
+			$this->error();
+		}
+
+		if (! $this->mysql_db = mysqli_select_db ($this->mysql_connect, $this->db_dbase))
+		{
+			$this->error();
+		}
+
+		$this->mysql_connect->set_charset('utf8');
+
+		return true;
+	}
+
+	/* Open session */
+	function _open($path, $name)
+	{
+		return true;
+	}
+
+	/* Close session */
+	function _close()
+	{
+		@mysqli_query($this->mysql_connect, "DELETE FROM " . PREFIX . "_sessions WHERE expiry < '" . time() . "'");
+
+		if ($this->mysql_connect !== null)
+			@mysqli_close($this->mysql_connect);
+
+		return true;
+	}
+
+	/* Read session */
+	function _read($ses_id)
+	{
+		$qid = @mysqli_query($this->mysql_connect, "SELECT value, Ip FROM " . PREFIX . "_sessions WHERE sesskey = '" . $ses_id . "' AND expiry > '" . time() . "'");
+
+		if ((list($value, $ip) = @mysqli_fetch_row($qid)) && $ip == $_SERVER['REMOTE_ADDR'])
+		{
+			return $value;
+		}
+
+		return '';
+	}
+
+	/* Write new data */
+	function _write($ses_id, $data)
+	{
+		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'))"))
+		{
+			$qid = @mysqli_query($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()."'");
+		}
+
+		return $qid;
+	}
+
+	/* Destroy session */
+	function _destroy($ses_id)
+	{
+		return @mysqli_query($this->mysql_connect, "DELETE FROM ".PREFIX."_sessions WHERE sesskey = '".$ses_id."'");
+	}
+
+	/* Garbage collection, deletes old sessions */
+	function _gc($maxlifetime)
+	{
+		$session_res = @mysqli_query($this->mysql_connect, "DELETE FROM ".PREFIX."_sessions	WHERE expiry < UNIX_TIMESTAMP(NOW() - '" . $maxlifetime . "')");
+
+		if (!$session_res) {
+			return false;
+		}
+		else
+		{
+			return true;
+		}
+	}
+
+	function error() {
+		ob_start();
+		header('HTTP/1.1 503 Service Temporarily Unavailable');
+		header('Status: 503 Service Temporarily Unavailable');
+		header('Retry-After: 3600');
+		header('X-Powered-By:');
+		display_notice("Error connect to MySQL.");
+		die;
+	}
+}
+?>