mirror of
https://github.com/EGroupware/egroupware.git
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237 lines
7.2 KiB
PHP
237 lines
7.2 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare API - Session management *
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* This file written by Dan Kuykendall <seek3r@phpgroupware.org> *
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* and Joseph Engo <jengo@phpgroupware.org> *
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* Copyright (C) 2000, 2001 Dan Kuykendall *
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* -------------------------------------------------------------------------*
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* This library is part of the eGroupWare API *
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* http://www.egroupware.org/api *
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* ------------------------------------------------------------------------ *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published by *
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* the Free Software Foundation; either version 2.1 of the License, *
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* or any later version. *
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* This library 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. *
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* See the GNU Lesser General Public License for more details. *
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* You should have received a copy of the GNU Lesser General Public License *
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* along with this library; if not, write to the Free Software Foundation, *
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
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\**************************************************************************/
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/* $Id$ */
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/**
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* Session Management via database (based on phplib sessions)
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*
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* @package api
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* @subpackage sessions
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* @author NetUSE AG Boris Erdmann, Kristian Koehntopp <br> hacked on by phpGW
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* @copyright © 1998-2000 NetUSE AG Boris Erdmann, Kristian Koehntopp <br> © 2003 FreeSoftware Foundation
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* @license LGPL
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* @link http://www.sanisoft.com/phplib/manual/DB_sql.php
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*/
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class sessions extends sessions_
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{
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var $sessions_table = 'egw_sessions';
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var $app_sessions_table = 'egw_app_sessions';
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function sessions($domain_names=null)
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{
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$this->sessions_($domain_names);
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}
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function read_session()
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{
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$this->db->select($this->sessions_table,'*',array('session_id' => $this->sessionid),__LINE__,__FILE__);
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return $this->db->row(true);
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}
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/**
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* remove stale sessions out of the database
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*/
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function clean_sessions()
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{
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$this->db->delete($this->sessions_table,array(
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'session_dla <= ' . (time() - $GLOBALS['egw_info']['server']['sessions_timeout']),
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"session_flags != 'A'",
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),__LINE__,__FILE__);
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// This is set a little higher, we don't want to kill session data for anonymous sessions.
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$GLOBALS['egw']->db->delete($this->app_sessions_table,array(
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'session_dla <= ' . (time() - $GLOBALS['egw_info']['server']['sessions_timeout']),
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),__LINE__,__FILE__);
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}
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function new_session_id()
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{
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return md5($GLOBALS['egw']->common->randomstring(15));
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}
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function register_session($login,$user_ip,$now,$session_flags)
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{
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$GLOBALS['egw']->db->insert($this->sessions_table,array(
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'session_lid' => $login,
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'session_ip' => $user_ip,
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'session_logintime' => $now,
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'session_dla' => $now,
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'session_action' => $_SERVER['PHP_SELF'],
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'session_flags' => $session_flags,
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),array(
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'session_id' => $this->sessionid,
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),__LINE__,__FILE__);
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}
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/**
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* update the DateLastActive column, so the login does not expire
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*/
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function update_dla()
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{
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if (@isset($_GET['menuaction']))
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{
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$action = $_GET['menuaction'];
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}
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else
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{
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$action = $_SERVER['PHP_SELF'];
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}
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// This way XML-RPC users aren't always listed as
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// xmlrpc.php
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if ($this->xmlrpc_method_called)
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{
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$action = $this->xmlrpc_method_called;
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}
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$GLOBALS['egw']->db->update($this->sessions_table,array(
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'session_dla' => time(),
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'session_action' => $action,
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),array(
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'session_id' => $this->sessionid,
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),__LINE__,__FILE__);
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$GLOBALS['egw']->db->update($this->app_sessions_table,array(
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'session_dla' => time(),
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),array(
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'sessionid' => $this->sessionid,
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),__LINE__,__FILE__);
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return True;
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}
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function destroy($sessionid, $kp3)
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{
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if (!$sessionid && $kp3)
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{
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return False;
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}
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$GLOBALS['egw']->db->transaction_begin();
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$GLOBALS['egw']->db->delete($this->sessions_table,array('session_id' => $sessionid),__LINE__,__FILE__);
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$GLOBALS['egw']->db->delete($this->app_sessions_table,array('sessionid' => $sessionid),__LINE__,__FILE__);
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$this->log_access($this->sessionid); // log logout-time
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// Only do the following, if where working with the current user
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if ($sessionid == $GLOBALS['egw_info']['user']['sessionid'])
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{
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$this->clean_sessions();
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}
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$GLOBALS['egw']->db->transaction_commit();
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return True;
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}
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/*************************************************************************\
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* Functions for appsession data and session cache *
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\*************************************************************************/
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/**
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* delete the old phpgw_info cache
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*
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* @deprecated not longer used
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*/
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function delete_cache($accountid='')
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{
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}
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function appsession($location = 'default', $appname = '', $data = '##NOTHING##')
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{
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if (!$this->account_id || !$this->sessionid)
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{
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return False; // this can happen during login or logout
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}
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if (!$appname)
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{
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$appname = $GLOBALS['egw_info']['flags']['currentapp'];
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}
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/* This allows the user to put '' as the value. */
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if ($data == '##NOTHING##')
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{
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$GLOBALS['egw']->db->select($this->app_sessions_table,'content',array(
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'sessionid' => $this->sessionid,
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'loginid' => $this->account_id,
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'app' => $appname,
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'location' => $location,
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),__LINE__,__FILE__);
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$GLOBALS['egw']->db->next_record();
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// do not decrypt and return if no data (decrypt returning garbage)
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if(($data = $GLOBALS['egw']->db->f('content')))
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{
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return $GLOBALS['egw']->crypto->decrypt($data);
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}
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return null;
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}
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$GLOBALS['egw']->db->insert($this->app_sessions_table,array(
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'content' => $GLOBALS['egw']->crypto->encrypt($data),
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),array(
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'sessionid' => $this->sessionid,
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'loginid' => $this->account_id,
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'app' => $appname,
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'location' => $location,
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),__LINE__,__FILE__);
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return $data;
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}
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/**
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* list all sessions
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*/
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function list_sessions($start, $order, $sort, $all_no_sort = False)
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{
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$values = array();
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$order_by = 'ORDER BY '.$sort.' '.$order;
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if (!preg_match('/^[a-z_0-9, ]+$/i',$sort) || !preg_match('/^(asc|desc)?$/i',$sort))
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{
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$order_by = 'ORDER BY session_dla asc';
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}
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$this->db->select($this->sessions_table,'*',"session_flags != 'A'",__LINE__,__FILE__,(int)$start,$order_by);
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while (($row = $this->db->row(true)))
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{
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$values[] = $row;
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}
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return $values;
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}
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/**
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* get number of regular / non-anonymous sessions
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*
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* @return int
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*/
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function total()
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{
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$this->db->select($this->sessions_table,'COUNT(*)',"session_flags != 'A'",__LINE__,__FILE__);
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return $this->db->next_record() ? $this->db->f(0) : 0;
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}
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}
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?>
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