drupal_theme__dotclear/dotclear/inc/session.php
2012-02-26 23:07:01 +01:00

158 lines
No EOL
3.5 KiB
PHP

<?php
# ***** BEGIN LICENSE BLOCK *****
# This file is part of DotClear.
# Copyright (c) 2004 Olivier Meunier and contributors. All rights
# reserved.
#
# DotClear is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# DotClear is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with DotClear; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# ***** END LICENSE BLOCK *****
if(function_exists('ini_set'))
{
@ini_set('session.use_cookies','1');
@ini_set('session.use_only_cookies','1');
@ini_set('url_rewriter.tags','');
@ini_set('session.use_trans_sid','0');
}
// NE PAS DECOMMENTER
//@ini_set('session.use_only_cookies','0');
$con = new connection(DB_USER,DB_PASS,DB_HOST,DB_DBASE);
$dc_session = new dbSession($con,DB_PREFIX.'session');
session_set_save_handler(
array(&$dc_session, '_open'),
array(&$dc_session, '_close'),
array(&$dc_session, '_read'),
array(&$dc_session, '_write'),
array(&$dc_session, '_destroy'),
array(&$dc_session, '_gc')
);
session_name(DC_SESSION_NAME);
session_start();
class dbSession
{
var $con;
var $table;
var $sess_ttl = '-120 minutes';
function dbSession(&$con,$table)
{
$this->con = $con;
$this->table = $table;
}
function _open($path,$name)
{
return true;
}
function _close()
{
$this->_gc();
return true;
}
function _read($ses_id)
{
$strReq = 'SELECT * FROM '.$this->table.' '.
'WHERE ses_id = \''.$ses_id.'\' ';
$rs = $this->con->select($strReq);
if ($rs->isEmpty()) {
return '';
} else {
return $rs->f('ses_value');
}
}
function _write($ses_id, $data)
{
$strReq = 'UPDATE '.$this->table.' SET '.
'ses_time = \''.time().'\', '.
'ses_value = \''.$data.'\' '.
'WHERE ses_id = \''.$ses_id.'\' ';
if ($this->con->execute($strReq) === false) {
return false;
}
if ($this->con->rowCount() > 0) {
return true;
}
$strReq = 'INSERT INTO '.$this->table.' '.
' (ses_id, ses_time, ses_start, ses_value) VALUES ('.
'\''.$ses_id.'\','.
'\''.time().'\','.
'\''.time().'\','.
'\''.$data.'\') ';
if ($this->con->execute($strReq) === false) {
return false;
}
return true;
}
function _destroy($ses_id)
{
$strReq = 'DELETE FROM '.$this->table.' '.
'WHERE ses_id = \''.$ses_id.'\' ';
if ($this->con->execute($strReq) === false) {
return false;
} else {
$this->_optimize();
return true;
}
}
function _gc()
{
$ses_life = strtotime($this->sess_ttl);
$strReq = 'DELETE FROM '.$this->table.' '.
'WHERE ses_time < '.$ses_life.' ';
if ($this->con->execute($strReq) === false) {
return false;
}
if ($this->con->rowCount() > 0) {
$this->_optimize();
}
return true;
}
function _optimize()
{
$strReq = 'OPTIMIZE TABLE '.$this->table.' ';
if ($this->con->execute($strReq) === false) {
return false;
} else {
return true;
}
}
}
?>