c3397a2c73
- use only cookies to store session id on client side - use default php session system with database handler to store sessions on server side git-svn-id: http://piwigo.org/svn/trunk@1004 68402e56-0260-453c-a942-63ccdbb3a9ee
101 lines
3.5 KiB
PHP
101 lines
3.5 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | PhpWebGallery - a PHP based picture gallery |
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// | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net |
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// | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net |
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// +-----------------------------------------------------------------------+
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// | branch : BSF (Best So Far)
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// | file : $RCSfile$
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// | last update : $Date$
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// | last modifier : $Author$
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// | revision : $Revision$
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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if (isset($conf['session_save_handler']) and ($conf['session_save_handler'] == 'db')) {
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session_set_save_handler('pwg_session_open',
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'pwg_session_close',
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'pwg_session_read',
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'pwg_session_write',
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'pwg_session_destroy',
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'pwg_session_gc'
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);
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}
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ini_set('session.use_cookies', $conf['session_use_cookies']);
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ini_set('session.use_only_cookies', $conf['session_use_only_cookies']);
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ini_set('session.use_trans_sid', $conf['session_use_trans_sid']);
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ini_set('session.name', $conf['session_name']);
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function pwg_session_open($path, $name)
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{
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return true;
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}
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function pwg_session_close()
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{
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pwg_session_gc();
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return true;
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}
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function pwg_session_read($session_id)
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{
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$query = "SELECT data FROM " . SESSIONS_TABLE;
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$query .= " WHERE id = '$session_id'";
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$result = pwg_query($query);
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if ($result) {
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$row = mysql_fetch_assoc($result);
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return $row['data'];
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} else {
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return '';
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}
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}
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function pwg_session_write($session_id, $data)
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{
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$query = "SELECT id FROM " . SESSIONS_TABLE;
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$query .= " WHERE id = '$session_id'";
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$result = pwg_query($query);
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if (mysql_num_rows($result)) {
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$query = "UPDATE " . SESSIONS_TABLE . " SET expiration = now()";
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$query .= " WHERE id = '$session_id'";
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pwg_query($query);
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} else {
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$query = "INSERT INTO " . SESSIONS_TABLE . " (id,data,expiration)";
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$query .= " VALUES('$session_id','$data',now())";
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pwg_query($query);
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}
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return true;
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}
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function pwg_session_destroy($session_id)
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{
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$query = "DELETE FROM " . SESSIONS_TABLE;
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$query .= " WHERE id = '$session_id'";
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pwg_query($query);
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return true;
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}
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function pwg_session_gc()
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{
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global $conf;
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$query = "DELETE FROM " . SESSIONS_TABLE;
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$query .= " WHERE UNIX_TIMESTAMP(NOW()) - UNIX_TIMESTAMP(expiration) > " . $conf['session_length'];
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pwg_query($query);
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return true;
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}
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?>
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