forked from extern/egroupware
1312 lines
40 KiB
PHP
1312 lines
40 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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* and Ralf Becker <ralfbecker@outdoor-training.de> *
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* Copyright (C) 2000, 2001 Dan Kuykendall *
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* Parts Copyright (C) 2003 Free Software Foundation Inc *
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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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/* sessions_type setup moved after the class below - milosch */
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/**
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* Session Management Libabray
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*
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* This allows eGroupWare to use php4 or database sessions
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*
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* @package phpgwapi
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* @subpackage sessions
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* @abstract
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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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* @uses db
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*/
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class sessions_
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{
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/**
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* @var string current user login
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*/
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var $login;
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/**
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* @var string current user password
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*/
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var $passwd;
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/**
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* @var int current user db/ldap account id
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*/
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var $account_id;
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/**
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* @var string current user account login id - ie user@domain
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*/
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var $account_lid;
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/**
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* @var string previous page call id - repost prevention
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*/
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var $history_id;
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/**
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* @var string domain for current user
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*/
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var $account_domain;
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/**
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* @var session type flag, A - anonymous session, N - None, normal session
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*/
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var $session_flags;
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/**
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* @var string current user session id
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*/
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var $sessionid;
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/**
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* @var string not sure what this does, but it is important :)
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*/
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var $kp3;
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/**
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* @var string encryption key?
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*/
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var $key;
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/**
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* @var string iv == ivegotnoidea ;) (skwashd)
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*/
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var $iv;
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/**
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* @var session data
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*/
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var $data;
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/**
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* @var object holder for the database object
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*/
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var $db;
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/**
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* @var array publicly available methods
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*/
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var $public_functions = array(
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'list_methods' => True,
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'update_dla' => True,
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'list' => True,
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'total' => True
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);
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/**
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* @var string domain for cookies
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*/
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var $cookie_domain;
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/**
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* @var name of XML-RPC/SOAP method called
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*/
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var $xmlrpc_method_called;
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/**
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* Constructor just loads up some defaults from cookies
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*/
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function sessions_()
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{
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$this->db = $GLOBALS['phpgw']->db;
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$this->sessionid = get_var('sessionid',array('GET','COOKIE'));
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$this->kp3 = get_var('kp3',array('GET','COOKIE'));
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/* Create the crypto object */
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$GLOBALS['phpgw']->crypto = CreateObject('phpgwapi.crypto');
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if ($GLOBALS['phpgw_info']['server']['usecookies'])
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{
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$this->phpgw_set_cookiedomain();
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}
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// verfiy and if necessary create and save our config settings
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//
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$save_rep = False;
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if (!isset($GLOBALS['phpgw_info']['server']['max_access_log_age']))
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{
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$GLOBALS['phpgw_info']['server']['max_access_log_age'] = 90; // default 90 days
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$save_rep = True;
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}
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if (!isset($GLOBALS['phpgw_info']['server']['block_time']))
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{
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$GLOBALS['phpgw_info']['server']['block_time'] = 30; // default 30min
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$save_rep = True;
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}
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if (!isset($GLOBALS['phpgw_info']['server']['num_unsuccessful_id']))
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{
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$GLOBALS['phpgw_info']['server']['num_unsuccessful_id'] = 3; // default 3 trys per id
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$save_rep = True;
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}
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if (!isset($GLOBALS['phpgw_info']['server']['num_unsuccessful_ip']))
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{
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$GLOBALS['phpgw_info']['server']['num_unsuccessful_ip'] = $GLOBALS['phpgw_info']['server']['num_unsuccessful_id']; // default same as for id
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$save_rep = True;
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}
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if (!isset($GLOBALS['phpgw_info']['server']['install_id']))
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{
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$GLOBALS['phpgw_info']['server']['install_id'] = md5($GLOBALS['phpgw']->common->randomstring(15));
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$save_rep = True;
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}
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if (!isset($GLOBALS['phpgw_info']['server']['sessions_timeout']))
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{
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$GLOBALS['phpgw_info']['server']['sessions_timeout'] = 14400;
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$save_rep = True;
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}
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if (!isset($GLOBALS['phpgw_info']['server']['sessions_app_timeout']))
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{
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$GLOBALS['phpgw_info']['server']['sessions_app_timeout'] = 86400;
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$save_rep = True;
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}
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if (!isset($GLOBALS['phpgw_info']['server']['max_history']))
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{
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$GLOBALS['phpgw_info']['server']['max_history'] = 20;
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$save_rep = True;
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}
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if ($save_rep)
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{
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$config = CreateObject('phpgwapi.config','phpgwapi');
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$config->read_repository();
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$config->value('max_access_log_age',$GLOBALS['phpgw_info']['server']['max_access_log_age']);
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$config->value('block_time',$GLOBALS['phpgw_info']['server']['block_time']);
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$config->value('num_unsuccessful_id',$GLOBALS['phpgw_info']['server']['num_unsuccessful_id']);
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$config->value('num_unsuccessful_ip',$GLOBALS['phpgw_info']['server']['num_unsuccessful_ip']);
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$config->value('install_id',$GLOBALS['phpgw_info']['server']['install_id']);
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$config->value('sessions_timeout',$GLOBALS['phpgw_info']['server']['sessions_timeout']);
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$config->value('sessions_app_timeout',$GLOBALS['phpgw_info']['server']['sessions_app_timeout']);
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$config->save_repository();
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unset($config);
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}
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}
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/**
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* Introspection for XML-RPC/SOAP
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* Diabled - why??
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*
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* @param string $_type tpye of introspection being sought
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* @return array available methods and args
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*/
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function DONTlist_methods($_type)
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{
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if (is_array($_type))
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{
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$_type = $_type['type'];
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}
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switch($_type)
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{
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case 'xmlrpc':
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$xml_functions = array(
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'list_methods' => array(
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'function' => 'list_methods',
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'signature' => array(array(xmlrpcStruct,xmlrpcString)),
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'docstring' => lang('Read this list of methods.')
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),
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'update_dla' => array(
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'function' => 'update_dla',
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'signature' => array(array(xmlrpcBoolean)),
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'docstring' => lang('Returns an array of todo items')
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)
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);
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return $xml_functions;
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break;
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case 'soap':
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return $this->soap_functions;
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break;
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default:
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return array();
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break;
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}
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}
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function split_login_domain($both,&$login,&$domain)
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{
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$parts = explode('@',$both);
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$domain = count($parts) > 1 ? array_pop($parts) :
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$GLOBALS['phpgw_info']['server']['default_domain'];
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$login = implode('@',$parts);
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}
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/**
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* Check to see if a session is still current and valid
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*
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* @param string $sessionid session id to be verfied
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* @param string $kp3 ?? to be verified
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* @return bool is the session valid?
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*/
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function verify($sessionid='',$kp3='')
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{
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if(empty($sessionid) || !$sessionid)
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{
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$sessionid = get_var('sessionid',array('GET','COOKIE'));
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$kp3 = get_var('kp3',array('GET','COOKIE'));
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}
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$this->sessionid = $sessionid;
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$this->kp3 = $kp3;
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$session = $this->read_session();
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//echo "<pre>session::verify(id='$sessionid'): \n".print_r($session,True)."</pre>\n";
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/*
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$fp = fopen('/tmp/session_verify','a+');
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fwrite($fp,"session::verify(id='$sessionid'): \n".print_r($session,True)."\n\n");
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fclose($fp);
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*/
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if ($session['session_dla'] <= (time() - $GLOBALS['phpgw_info']['server']['sessions_timeout']))
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{
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$this->destroy($sessionid,$kp3);
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return False;
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}
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$this->session_flags = $session['session_flags'];
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sessions_::split_login_domain($session['session_lid'],$this->account_lid,$this->account_domain);
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$GLOBALS['phpgw_info']['user']['kp3'] = $this->kp3;
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$this->update_dla();
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$this->account_id = $GLOBALS['phpgw']->accounts->name2id($this->account_lid);
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if (!$this->account_id)
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{
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return False;
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}
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$GLOBALS['phpgw_info']['user']['account_id'] = $this->account_id;
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/* init the crypto object before appsession call below */
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$this->key = md5($this->kp3 . $this->sessionid . @$GLOBALS['phpgw_info']['server']['encryptkey']);
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$this->iv = $GLOBALS['phpgw_info']['server']['mcrypt_iv'];
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$GLOBALS['phpgw']->crypto->init(array($this->key,$this->iv));
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$this->read_repositories(@$GLOBALS['phpgw_info']['server']['cache_phpgw_info']);
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if ($this->user['expires'] != -1 && $this->user['expires'] < time())
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{
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if(is_object($GLOBALS['phpgw']->log))
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{
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$GLOBALS['phpgw']->log->message(array(
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'text' => 'W-VerifySession, account loginid %1 is expired',
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'p1' => $this->account_lid,
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'line' => __LINE__,
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'file' => __FILE__
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));
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$GLOBALS['phpgw']->log->commit();
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}
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return False;
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}
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$GLOBALS['phpgw_info']['user'] = $this->user;
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$GLOBALS['phpgw_info']['hooks'] = $this->hooks;
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$GLOBALS['phpgw_info']['user']['session_ip'] = $session['session_ip'];
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$GLOBALS['phpgw_info']['user']['passwd'] = base64_decode($this->appsession('password','phpgwapi'));
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if ($this->account_domain != $GLOBALS['phpgw_info']['user']['domain'])
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{
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if(is_object($GLOBALS['phpgw']->log))
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{
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$GLOBALS['phpgw']->log->message(array(
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'text' => 'W-VerifySession, the domains %1 and %2 don\'t match',
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'p1' => $userid_array[1],
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'p2' => $GLOBALS['phpgw_info']['user']['domain'],
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'line' => __LINE__,
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'file' => __FILE__
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));
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$GLOBALS['phpgw']->log->commit();
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}
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return False;
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}
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if (@$GLOBALS['phpgw_info']['server']['sessions_checkip'])
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{
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if((PHP_OS != 'Windows') && (PHP_OS != 'WINNT') &&
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(!$GLOBALS['phpgw_info']['user']['session_ip'] || $GLOBALS['phpgw_info']['user']['session_ip'] != $this->getuser_ip())
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)
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{
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if(is_object($GLOBALS['phpgw']->log))
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{
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// This needs some better wording
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$GLOBALS['phpgw']->log->message(array(
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'text' => 'W-VerifySession, IP %1 doesn\'t match IP %2 in session table',
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'p1' => $this->getuser_ip(),
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'p2' => $GLOBALS['phpgw_info']['user']['session_ip'],
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'line' => __LINE__,
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'file' => __FILE__
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));
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$GLOBALS['phpgw']->log->commit();
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}
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return False;
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}
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}
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$GLOBALS['phpgw']->acl->acl($this->account_id);
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$GLOBALS['phpgw']->accounts->accounts($this->account_id);
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$GLOBALS['phpgw']->preferences->preferences($this->account_id);
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$GLOBALS['phpgw']->applications->applications($this->account_id);
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if (! $this->account_lid)
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{
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if(is_object($GLOBALS['phpgw']->log))
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{
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// This needs some better wording
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$GLOBALS['phpgw']->log->message(array(
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'text' => 'W-VerifySession, account_id is empty',
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'line' => __LINE__,
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'file' => __FILE__
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));
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$GLOBALS['phpgw']->log->commit();
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}
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//echo 'DEBUG: Sessions: account_id is empty!<br>'."\n";
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return False;
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}
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return True;
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}
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/**
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* Functions for creating and verifying the session
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*/
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/**
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* Get the ip address of current users
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*
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* @return string ip address
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*/
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function getuser_ip()
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{
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return (isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR']);
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}
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/**
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* Set the domain used for cookies
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*
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* @return string domain
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*/
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function phpgw_set_cookiedomain()
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{
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// Use HTTP_X_FORWARDED_HOST if set, which is the case behind a none-transparent proxy
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$this->cookie_domain = isset($_SERVER['HTTP_X_FORWARDED_HOST']) ? $_SERVER['HTTP_X_FORWARDED_HOST'] : $_SERVER['HTTP_HOST'];
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// remove port from HTTP_HOST
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if (preg_match("/^(.*):(.*)$/",$this->cookie_domain,$arr))
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{
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$this->cookie_domain = $arr[1];
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}
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if (count(explode('.',$this->cookie_domain)) <= 1)
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{
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// setcookie dont likes domains without dots, leaving it empty, gets setcookie to fill the domain in
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$this->cookie_domain = '';
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}
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print_debug('COOKIE_DOMAIN',$this->cookie_domain,'api');
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$this->set_cookie_params($this->cookie_domain); // for php4 sessions necessary
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}
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/**
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* Set a cookie
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*
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* @param string $cookiename name of cookie to be set
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* @param string $cookievalue value to be used, if unset cookie is cleared (optional)
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* @param int $cookietime when cookie should expire, 0 for session only (optional)
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*/
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function phpgw_setcookie($cookiename,$cookievalue='',$cookietime=0)
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{
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if (!$this->cookie_domain)
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{
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$this->phpgw_set_cookiedomain();
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}
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setcookie($cookiename,$cookievalue,$cookietime,'/',$this->cookie_domain);
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}
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/**
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* Create a new session
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*
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* @param string $login user login
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* @param string $passwd user password
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* @param string $passwd_type type of password being used, ie plaintext, md5, sha1
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* @return string session id
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*/
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function create($login,$passwd = '',$passwd_type = '')
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{
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if (is_array($login))
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{
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$this->login = $login['login'];
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$this->passwd = $login['passwd'];
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$this->passwd_type = $login['passwd_type'];
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$login = $this->login;
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}
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else
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{
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$this->login = $login;
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$this->passwd = $passwd;
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$this->passwd_type = $passwd_type;
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}
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$this->clean_sessions();
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sessions_::split_login_domain($login,$this->account_lid,$this->account_domain);
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$now = time();
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//echo "<p>session::create(login='$login'): lid='$this->account_lid', domain='$this->account_domain'</p>\n";
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$user_ip = $this->getuser_ip();
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$this->account_id = $GLOBALS['phpgw']->accounts->name2id($this->account_lid);
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if (($blocked = $this->login_blocked($login,$user_ip)) || // too many unsuccessful attempts
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$GLOBALS['phpgw_info']['server']['global_denied_users'][$this->account_lid] ||
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!$GLOBALS['phpgw']->auth->authenticate($this->account_lid, $this->passwd, $this->passwd_type) ||
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$this->account_id && $GLOBALS['phpgw']->accounts->get_type($this->account_id) == 'g')
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{
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$this->reason = $blocked ? 'blocked, too many attempts' : 'bad login or password';
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$this->cd_reason = $blocked ? 99 : 5;
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$this->log_access($this->reason,$login,$user_ip,0); // log unsuccessfull login
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return False;
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}
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if (!$this->account_id && $GLOBALS['phpgw_info']['server']['auto_create_acct'] == True)
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{
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$this->account_id = $GLOBALS['phpgw']->accounts->auto_add($this->account_lid, $passwd);
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}
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$GLOBALS['phpgw_info']['user']['account_id'] = $this->account_id;
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$GLOBALS['phpgw']->accounts->accounts($this->account_id);
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$this->sessionid = $this->new_session_id();
|
|
$this->kp3 = md5($GLOBALS['phpgw']->common->randomstring(15));
|
|
|
|
if ($GLOBALS['phpgw_info']['server']['usecookies'])
|
|
{
|
|
$this->phpgw_setcookie('sessionid',$this->sessionid);
|
|
$this->phpgw_setcookie('kp3',$this->kp3);
|
|
$this->phpgw_setcookie('domain',$this->account_domain);
|
|
}
|
|
if ($GLOBALS['phpgw_info']['server']['usecookies'] || isset($_COOKIE['last_loginid']))
|
|
{
|
|
$this->phpgw_setcookie('last_loginid', $this->account_lid ,$now+1209600); /* For 2 weeks */
|
|
$this->phpgw_setcookie('last_domain',$this->account_domain,$now+1209600);
|
|
}
|
|
unset($GLOBALS['phpgw_info']['server']['default_domain']); /* we kill this for security reasons */
|
|
|
|
/* init the crypto object */
|
|
$this->key = md5($this->kp3 . $this->sessionid . $GLOBALS['phpgw_info']['server']['encryptkey']);
|
|
$this->iv = $GLOBALS['phpgw_info']['server']['mcrypt_iv'];
|
|
$GLOBALS['phpgw']->crypto->init(array($this->key,$this->iv));
|
|
|
|
$this->read_repositories(False);
|
|
if ($this->user['expires'] != -1 && $this->user['expires'] < time())
|
|
{
|
|
if(is_object($GLOBALS['phpgw']->log))
|
|
{
|
|
$GLOBALS['phpgw']->log->message(array(
|
|
'text' => 'W-LoginFailure, account loginid %1 is expired',
|
|
'p1' => $this->account_lid,
|
|
'line' => __LINE__,
|
|
'file' => __FILE__
|
|
));
|
|
$GLOBALS['phpgw']->log->commit();
|
|
}
|
|
$this->reason = 'account is expired';
|
|
$this->cd_reason = 98;
|
|
|
|
return False;
|
|
}
|
|
|
|
$GLOBALS['phpgw_info']['user'] = $this->user;
|
|
$GLOBALS['phpgw_info']['hooks'] = $this->hooks;
|
|
|
|
$this->appsession('password','phpgwapi',base64_encode($this->passwd));
|
|
if ($GLOBALS['phpgw']->acl->check('anonymous',1,'phpgwapi'))
|
|
{
|
|
$session_flags = 'A';
|
|
}
|
|
else
|
|
{
|
|
$session_flags = 'N';
|
|
}
|
|
|
|
$GLOBALS['phpgw']->db->transaction_begin();
|
|
$this->register_session($login,$user_ip,$now,$session_flags);
|
|
if ($session_flags != 'A') // dont log anonymous sessions
|
|
{
|
|
$this->log_access($this->sessionid,$login,$user_ip,$this->account_id);
|
|
}
|
|
$this->appsession('account_previous_login','phpgwapi',$GLOBALS['phpgw']->auth->previous_login);
|
|
$GLOBALS['phpgw']->auth->update_lastlogin($this->account_id,$user_ip);
|
|
$GLOBALS['phpgw']->db->transaction_commit();
|
|
|
|
//if (!$this->sessionid) echo "<p>session::create(login='$login') = '$this->sessionid': lid='$this->account_lid', domain='$this->account_domain'</p>\n";
|
|
|
|
return $this->sessionid;
|
|
}
|
|
|
|
/**
|
|
* Write or update (for logout) the access_log
|
|
*
|
|
* @param string $sessionid id of session or 0 for unsuccessful logins
|
|
* @param string $login account_lid (evtl. with domain) or '' for settion the logout-time
|
|
* @param string $user_ip ip to log
|
|
* @param int $account_id numerical account_id
|
|
*/
|
|
function log_access($sessionid,$login='',$user_ip='',$account_id='')
|
|
{
|
|
$now = time();
|
|
|
|
if ($login != '')
|
|
{
|
|
if (strlen($login) > 30)
|
|
{
|
|
$login = substr($login,0,30);
|
|
}
|
|
$GLOBALS['phpgw']->db->query('INSERT INTO phpgw_access_log(sessionid,loginid,ip,li,lo,account_id)'
|
|
. " VALUES ('" . $sessionid . "','" . $this->db->db_addslashes($login). "','"
|
|
. $this->db->db_addslashes($user_ip) . "',$now,0," . (int)$account_id .')',__LINE__,__FILE__);
|
|
}
|
|
else
|
|
{
|
|
$GLOBALS['phpgw']->db->query("UPDATE phpgw_access_log SET lo=" . $now . " WHERE sessionid='"
|
|
. $sessionid . "'",__LINE__,__FILE__);
|
|
}
|
|
if ($GLOBALS['phpgw_info']['server']['max_access_log_age'])
|
|
{
|
|
$max_age = $now - $GLOBALS['phpgw_info']['server']['max_access_log_age'] * 24 * 60 * 60;
|
|
|
|
$GLOBALS['phpgw']->db->query("DELETE FROM phpgw_access_log WHERE li < $max_age");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Protect against brute force attacks, block login if too many unsuccessful login attmepts
|
|
*
|
|
* @param string $login account_lid (evtl. with domain)
|
|
* @param string $ip ip of the user
|
|
* @returns bool login blocked?
|
|
*/
|
|
function login_blocked($login,$ip)
|
|
{
|
|
$blocked = False;
|
|
$block_time = time() - $GLOBALS['phpgw_info']['server']['block_time'] * 60;
|
|
|
|
$ip = $this->db->db_addslashes($ip);
|
|
$this->db->query("SELECT count(*) FROM phpgw_access_log WHERE account_id=0 AND ip='$ip' AND li > $block_time",__LINE__,__FILE__);
|
|
$this->db->next_record();
|
|
if (($false_ip = $this->db->f(0)) > $GLOBALS['phpgw_info']['server']['num_unsuccessful_ip'])
|
|
{
|
|
//echo "<p>login_blocked: ip='$ip' ".$this->db->f(0)." trys (".$GLOBALS['phpgw_info']['server']['num_unsuccessful_ip']." max.) since ".date('Y/m/d H:i',$block_time)."</p>\n";
|
|
$blocked = True;
|
|
}
|
|
$login = $this->db->db_addslashes($login);
|
|
$this->db->query("SELECT count(*) FROM phpgw_access_log WHERE account_id=0 AND (loginid='$login' OR loginid LIKE '$login@%') AND li > $block_time",__LINE__,__FILE__);
|
|
$this->db->next_record();
|
|
if (($false_id = $this->db->f(0)) > $GLOBALS['phpgw_info']['server']['num_unsuccessful_id'])
|
|
{
|
|
//echo "<p>login_blocked: login='$login' ".$this->db->f(0)." trys (".$GLOBALS['phpgw_info']['server']['num_unsuccessful_id']." max.) since ".date('Y/m/d H:i',$block_time)."</p>\n";
|
|
$blocked = True;
|
|
}
|
|
if ($blocked && $GLOBALS['phpgw_info']['server']['admin_mails'] &&
|
|
// max. one mail each 5mins
|
|
$GLOBALS['phpgw_info']['server']['login_blocked_mail_time'] < time()-5*60)
|
|
{
|
|
// notify admin(s) via email
|
|
$from = 'eGroupWare@'.$GLOBALS['phpgw_info']['server']['mail_suffix'];
|
|
$subject = lang("eGroupWare: login blocked for user '%1', IP %2",$login,$ip);
|
|
$body = lang("Too many unsucessful attempts to login: %1 for the user '%2', %3 for the IP %4",$false_id,$login,$false_ip,$ip);
|
|
|
|
if(!is_object($GLOBALS['phpgw']->send))
|
|
{
|
|
$GLOBALS['phpgw']->send = CreateObject('phpgwapi.send');
|
|
}
|
|
$subject = $GLOBALS['phpgw']->send->encode_subject($subject);
|
|
$admin_mails = explode(',',$GLOBALS['phpgw_info']['server']['admin_mails']);
|
|
foreach($admin_mails as $to)
|
|
{
|
|
$GLOBALS['phpgw']->send->msg('email',$to,$subject,$body,'','','',$from,$from);
|
|
}
|
|
// save time of mail, to not send to many mails
|
|
$config = CreateObject('phpgwapi.config','phpgwapi');
|
|
$config->read_repository();
|
|
$config->value('login_blocked_mail_time',time());
|
|
$config->save_repository();
|
|
}
|
|
return $blocked;
|
|
}
|
|
|
|
/**
|
|
* Verfy a peer server access request
|
|
*
|
|
* @param string $sessionid session id to verfiy
|
|
* @param string $kp3 ??
|
|
* @return bool verfied?
|
|
*/
|
|
function verify_server($sessionid, $kp3)
|
|
{
|
|
$GLOBALS['phpgw']->interserver = CreateObject('phpgwapi.interserver');
|
|
$this->sessionid = $sessionid;
|
|
$this->kp3 = $kp3;
|
|
|
|
$session = $this->read_session();
|
|
$this->session_flags = $session['session_flags'];
|
|
|
|
list($this->account_lid,$this->account_domain) = explode('@', $session['session_lid']);
|
|
|
|
if ($this->account_domain == '')
|
|
{
|
|
$this->account_domain = $GLOBALS['phpgw_info']['server']['default_domain'];
|
|
}
|
|
|
|
$GLOBALS['phpgw_info']['user']['kp3'] = $this->kp3;
|
|
$phpgw_info_flags = $GLOBALS['phpgw_info']['flags'];
|
|
|
|
$GLOBALS['phpgw_info']['flags'] = $phpgw_info_flags;
|
|
|
|
$this->update_dla();
|
|
$this->account_id = $GLOBALS['phpgw']->interserver->name2id($this->account_lid);
|
|
|
|
if (!$this->account_id)
|
|
{
|
|
return False;
|
|
}
|
|
|
|
$GLOBALS['phpgw_info']['user']['account_id'] = $this->account_id;
|
|
|
|
$this->read_repositories(@$GLOBALS['phpgw_info']['server']['cache_phpgw_info']);
|
|
|
|
/* init the crypto object before appsession call below */
|
|
$this->key = md5($this->kp3 . $this->sessionid . $GLOBALS['phpgw_info']['server']['encryptkey']);
|
|
$this->iv = $GLOBALS['phpgw_info']['server']['mcrypt_iv'];
|
|
$GLOBALS['phpgw']->crypto->init(array($this->key,$this->iv));
|
|
|
|
$GLOBALS['phpgw_info']['user'] = $this->user;
|
|
$GLOBALS['phpgw_info']['hooks'] = $this->hooks;
|
|
|
|
$GLOBALS['phpgw_info']['user']['session_ip'] = $session['session_ip'];
|
|
$GLOBALS['phpgw_info']['user']['passwd'] = base64_decode($this->appsession('password','phpgwapi'));
|
|
|
|
if ($userid_array[1] != $GLOBALS['phpgw_info']['user']['domain'])
|
|
{
|
|
if(is_object($GLOBALS['phpgw']->log))
|
|
{
|
|
$GLOBALS['phpgw']->log->message(array(
|
|
'text' => 'W-VerifySession, the domains %1 and %2 don\t match',
|
|
'p1' => $userid_array[1],
|
|
'p2' => $GLOBALS['phpgw_info']['user']['domain'],
|
|
'line' => __LINE__,
|
|
'file' => __FILE__
|
|
));
|
|
$GLOBALS['phpgw']->log->commit();
|
|
}
|
|
|
|
if(is_object($GLOBALS['phpgw']->crypto))
|
|
{
|
|
$GLOBALS['phpgw']->crypto->cleanup();
|
|
unset($GLOBALS['phpgw']->crypto);
|
|
}
|
|
return False;
|
|
}
|
|
|
|
if(@$GLOBALS['phpgw_info']['server']['sessions_checkip'])
|
|
{
|
|
if((PHP_OS != 'Windows') && (PHP_OS != 'WINNT') &&
|
|
(!$GLOBALS['phpgw_info']['user']['session_ip'] || $GLOBALS['phpgw_info']['user']['session_ip'] != $this->getuser_ip())
|
|
)
|
|
{
|
|
if(is_object($GLOBALS['phpgw']->log))
|
|
{
|
|
// This needs some better wording
|
|
$GLOBALS['phpgw']->log->message(array(
|
|
'text' => 'W-VerifySession, IP %1 doesn\'t match IP %2 in session table',
|
|
'p1' => $this->getuser_ip(),
|
|
'p2' => $GLOBALS['phpgw_info']['user']['session_ip'],
|
|
'line' => __LINE__,
|
|
'file' => __FILE__
|
|
));
|
|
$GLOBALS['phpgw']->log->commit();
|
|
}
|
|
|
|
if(is_object($GLOBALS['phpgw']->crypto))
|
|
{
|
|
$GLOBALS['phpgw']->crypto->cleanup();
|
|
unset($GLOBALS['phpgw']->crypto);
|
|
}
|
|
return False;
|
|
}
|
|
}
|
|
|
|
$GLOBALS['phpgw']->acl->acl($this->account_id);
|
|
$GLOBALS['phpgw']->accounts->accounts($this->account_id);
|
|
$GLOBALS['phpgw']->preferences->preferences($this->account_id);
|
|
$GLOBALS['phpgw']->applications->applications($this->account_id);
|
|
|
|
if (! $this->account_lid)
|
|
{
|
|
if(is_object($GLOBALS['phpgw']->log))
|
|
{
|
|
// This needs some better wording
|
|
$GLOBALS['phpgw']->log->message(array(
|
|
'text' => 'W-VerifySession, account_id is empty',
|
|
'line' => __LINE__,
|
|
'file' => __FILE__
|
|
));
|
|
$GLOBALS['phpgw']->log->commit();
|
|
}
|
|
|
|
if(is_object($GLOBALS['phpgw']->crypto))
|
|
{
|
|
$GLOBALS['phpgw']->crypto->cleanup();
|
|
unset($GLOBALS['phpgw']->crypto);
|
|
}
|
|
return False;
|
|
}
|
|
else
|
|
{
|
|
return True;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Validate a peer server login request
|
|
*
|
|
* @param string $login login name
|
|
* @param string $password password
|
|
* @return bool login ok?
|
|
*/
|
|
function create_server($login,$passwd)
|
|
{
|
|
$GLOBALS['phpgw']->interserver = CreateObject('phpgwapi.interserver');
|
|
$this->login = $login;
|
|
$this->passwd = $passwd;
|
|
$this->clean_sessions();
|
|
$login_array = explode('@', $login);
|
|
$this->account_lid = $login_array[0];
|
|
$now = time();
|
|
|
|
if ($login_array[1] != '')
|
|
{
|
|
$this->account_domain = $login_array[1];
|
|
}
|
|
else
|
|
{
|
|
$this->account_domain = $GLOBALS['phpgw_info']['server']['default_domain'];
|
|
}
|
|
|
|
$serverdata = array(
|
|
'server_name' => $this->account_domain,
|
|
'username' => $this->account_lid,
|
|
'password' => $passwd
|
|
);
|
|
if (!$GLOBALS['phpgw']->interserver->auth($serverdata))
|
|
{
|
|
return False;
|
|
exit;
|
|
}
|
|
|
|
if (!$GLOBALS['phpgw']->interserver->exists($this->account_lid))
|
|
{
|
|
$this->account_id = $GLOBALS['phpgw']->interserver->name2id($this->account_lid);
|
|
}
|
|
$GLOBALS['phpgw_info']['user']['account_id'] = $this->account_id;
|
|
$GLOBALS['phpgw']->interserver->serverid = $this->account_id;
|
|
|
|
$this->sessionid = md5($GLOBALS['phpgw']->common->randomstring(10));
|
|
$this->kp3 = md5($GLOBALS['phpgw']->common->randomstring(15));
|
|
|
|
/* re-init the crypto object */
|
|
$this->key = md5($this->kp3 . $this->sessionid . $GLOBALS['phpgw_info']['server']['encryptkey']);
|
|
$this->iv = $GLOBALS['phpgw_info']['server']['mcrypt_iv'];
|
|
$GLOBALS['phpgw']->crypto->init(array($this->key,$this->iv));
|
|
|
|
//$this->read_repositories(False);
|
|
|
|
$GLOBALS['phpgw_info']['user'] = $this->user;
|
|
$GLOBALS['phpgw_info']['hooks'] = $this->hooks;
|
|
|
|
$this->appsession('password','phpgwapi',base64_encode($this->passwd));
|
|
$session_flags = 'S';
|
|
|
|
$user_ip = $this->getuser_ip();
|
|
|
|
$GLOBALS['phpgw']->db->transaction_begin();
|
|
$this->register_session($login,$user_ip,$now,$session_flags);
|
|
|
|
$this->log_access($this->sessionid,$login,$user_ip,$this->account_id);
|
|
|
|
$this->appsession('account_previous_login','phpgwapi',$GLOBALS['phpgw']->auth->previous_login);
|
|
$GLOBALS['phpgw']->auth->update_lastlogin($this->account_id,$user_ip);
|
|
$GLOBALS['phpgw']->db->transaction_commit();
|
|
|
|
return array($this->sessionid,$this->kp3);
|
|
}
|
|
|
|
/**
|
|
* Functions for appsession data and session cache
|
|
*/
|
|
|
|
/**
|
|
* Is this also useless?? (skwashd)
|
|
*/
|
|
function read_repositories($cached='',$write_cache=True)
|
|
{
|
|
$GLOBALS['phpgw']->acl->acl($this->account_id);
|
|
$GLOBALS['phpgw']->accounts->accounts($this->account_id);
|
|
$GLOBALS['phpgw']->preferences->preferences($this->account_id);
|
|
$GLOBALS['phpgw']->applications->applications($this->account_id);
|
|
|
|
if(@$cached)
|
|
{
|
|
$this->user = $this->appsession('phpgw_info_cache','phpgwapi');
|
|
if(!empty($this->user))
|
|
{
|
|
$GLOBALS['phpgw']->preferences->data = $this->user['preferences'];
|
|
if (!isset($GLOBALS['phpgw_info']['apps']) || !is_array($GLOBALS['phpgw_info']['apps']))
|
|
{
|
|
$GLOBALS['phpgw']->applications->read_installed_apps();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->setup_cache($write_cache);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$this->setup_cache($write_cache);
|
|
}
|
|
$this->hooks = $GLOBALS['phpgw']->hooks->read();
|
|
}
|
|
|
|
/**
|
|
* Is this also useless?? (skwashd)
|
|
*/
|
|
function setup_cache($write_cache=True)
|
|
{
|
|
$this->user = $GLOBALS['phpgw']->accounts->read_repository();
|
|
$this->user['acl'] = $GLOBALS['phpgw']->acl->read_repository();
|
|
$this->user['preferences'] = $GLOBALS['phpgw']->preferences->read_repository();
|
|
$this->user['apps'] = $GLOBALS['phpgw']->applications->read_repository();
|
|
//@reset($this->data['user']['apps']);
|
|
|
|
$this->user['domain'] = $this->account_domain;
|
|
$this->user['sessionid'] = $this->sessionid;
|
|
$this->user['kp3'] = $this->kp3;
|
|
$this->user['session_ip'] = $this->getuser_ip();
|
|
$this->user['session_lid'] = $this->account_lid.'@'.$this->account_domain;
|
|
$this->user['account_id'] = $this->account_id;
|
|
$this->user['account_lid'] = $this->account_lid;
|
|
$this->user['userid'] = $this->account_lid;
|
|
$this->user['passwd'] = @$this->passwd;
|
|
if(@$GLOBALS['phpgw_info']['server']['cache_phpgw_info'] && $write_cache)
|
|
{
|
|
$this->delete_cache();
|
|
$this->appsession('phpgw_info_cache','phpgwapi',$this->user);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This looks to be useless
|
|
* This will capture everything in the $GLOBALS['phpgw_info'] including server info,
|
|
* and store it in appsessions. This is really incompatible with any type of restoring
|
|
* from appsession as the saved user info is really in ['user'] rather than the root of
|
|
* the structure, which is what this class likes.
|
|
*/
|
|
function save_repositories()
|
|
{
|
|
$phpgw_info_temp = $GLOBALS['phpgw_info'];
|
|
$phpgw_info_temp['user']['kp3'] = '';
|
|
$phpgw_info_temp['flags'] = array();
|
|
|
|
if ($GLOBALS['phpgw_info']['server']['cache_phpgw_info'])
|
|
{
|
|
$this->appsession('phpgw_info_cache','phpgwapi',$phpgw_info_temp);
|
|
}
|
|
}
|
|
|
|
function restore()
|
|
{
|
|
$sessionData = $this->appsession('sessiondata');
|
|
|
|
if (!empty($sessionData) && is_array($sessionData))
|
|
{
|
|
foreach($sessionData as $key => $value)
|
|
{
|
|
global $$key;
|
|
$$key = $value;
|
|
$this->variableNames[$key] = 'registered';
|
|
// echo 'restored: '.$key.', ' . $value . '<br>';
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Save the current values of all registered variables
|
|
*/
|
|
function save()
|
|
{
|
|
if (is_array($this->variableNames))
|
|
{
|
|
reset($this->variableNames);
|
|
while(list($key, $value) = each($this->variableNames))
|
|
{
|
|
if ($value == 'registered')
|
|
{
|
|
global $$key;
|
|
$sessionData[$key] = $$key;
|
|
}
|
|
}
|
|
$this->appsession('sessiondata','',$sessionData);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create a list a variable names, which data needs to be restored
|
|
*
|
|
* @param string $_variableName name of variable to be registered
|
|
*/
|
|
function register($_variableName)
|
|
{
|
|
$this->variableNames[$_variableName]='registered';
|
|
#print 'registered '.$_variableName.'<br>';
|
|
}
|
|
|
|
/**
|
|
* Mark variable as unregistered
|
|
*
|
|
* @param string $_variableName name of variable to deregister
|
|
*/
|
|
function unregister($_variableName)
|
|
{
|
|
$this->variableNames[$_variableName]='unregistered';
|
|
#print 'unregistered '.$_variableName.'<br>';
|
|
}
|
|
|
|
/**
|
|
* Check if we have a variable registred already
|
|
*
|
|
* @param string $_variableName name of variable to check
|
|
* @return bool was the variable found?
|
|
*/
|
|
function is_registered($_variableName)
|
|
{
|
|
if ($this->variableNames[$_variableName] == 'registered')
|
|
{
|
|
return True;
|
|
}
|
|
else
|
|
{
|
|
return False;
|
|
}
|
|
}
|
|
/**
|
|
* Additional tracking of user actions - prevents reposts/use of back button
|
|
*
|
|
* @author skwashd
|
|
* @return string current history id
|
|
*/
|
|
function generate_click_history()
|
|
{
|
|
if(!isset($this->history_id))
|
|
{
|
|
$this->history_id = md5($this->login . time());
|
|
$history = $this->appsession($location = 'history', $appname = 'phpgwapi');
|
|
|
|
if(count($history) >= $GLOBALS['phpgw_info']['server']['max_history'])
|
|
{
|
|
array_shift($history);
|
|
$this->appsession($location = 'history', $appname = 'phpgwapi', $history);
|
|
}
|
|
}
|
|
return $this->history_id;
|
|
}
|
|
|
|
/**
|
|
* Detects if the page has already been called before - good for forms
|
|
*
|
|
* @author skwashd
|
|
* @param bool $diplay_error when implemented will use the generic error handling code
|
|
* @return True if called previously, else False - call ok
|
|
*/
|
|
function is_repost($display_error = False)
|
|
{
|
|
$history = $this->appsession($location = 'history', $appname = 'phpgwapi');
|
|
if(isset($history[$_GET['click_history']]))
|
|
{
|
|
if($display_error)
|
|
{
|
|
$GLOBALS['phpgw']->redirect_link('/error.php', 'type=repost');//more on this later :)
|
|
}
|
|
else
|
|
{
|
|
return True; //handled by the app
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$history[$_GET['click_history']] = True;
|
|
$this->appsession($location = 'history', $appname = 'phpgwapi', $history);
|
|
return False;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generate a url which supports url or cookies based sessions
|
|
*
|
|
* @param string $url a url relative to the egroupware install root
|
|
* @param array $extravars query string arguements
|
|
* @return string generated url
|
|
*/
|
|
function link($url, $extravars = '')
|
|
{
|
|
//echo "<p>session::link(url='".print_r($url,True)."',extravars='".print_r($extravars,True)."')";
|
|
/* first we process the $url to build the full scriptname */
|
|
$full_scriptname = True;
|
|
|
|
$url_firstchar = substr($url ,0,1);
|
|
if ($url_firstchar == '/' && $GLOBALS['phpgw_info']['server']['webserver_url'] == '/')
|
|
{
|
|
$full_scriptname = False;
|
|
}
|
|
|
|
if ($url_firstchar != '/')
|
|
{
|
|
$app = $GLOBALS['phpgw_info']['flags']['currentapp'];
|
|
if ($app != 'home' && $app != 'login' && $app != 'logout')
|
|
{
|
|
$url = $app.'/'.$url;
|
|
}
|
|
}
|
|
|
|
if($full_scriptname)
|
|
{
|
|
$webserver_url_count = strlen($GLOBALS['phpgw_info']['server']['webserver_url'])-1;
|
|
if(substr($GLOBALS['phpgw_info']['server']['webserver_url'] ,$webserver_url_count,1) != '/' && $url_firstchar != '/')
|
|
{
|
|
$url = $GLOBALS['phpgw_info']['server']['webserver_url'] .'/'. $url;
|
|
}
|
|
else
|
|
{
|
|
$url = $GLOBALS['phpgw_info']['server']['webserver_url'] . $url;
|
|
}
|
|
}
|
|
|
|
if(@isset($GLOBALS['phpgw_info']['server']['enforce_ssl']) && $GLOBALS['phpgw_info']['server']['enforce_ssl']) // && !$_SERVER['HTTPS']) imho https should always be a full path - skwashd
|
|
{
|
|
if(substr($url ,0,4) != 'http')
|
|
{
|
|
$url = 'https://'.$GLOBALS['phpgw_info']['server']['hostname'].$url;
|
|
}
|
|
else
|
|
{
|
|
$url = str_replace ( 'http:', 'https:', $url);
|
|
}
|
|
}
|
|
|
|
/* Now we process the extravars into a proper url format */
|
|
/* if its not an array, then we turn it into one */
|
|
/* We do this to help prevent any duplicates from being sent. */
|
|
if (!is_array($extravars) && $extravars != '')
|
|
{
|
|
$new_extravars = Array();
|
|
|
|
$a = explode('&', $extravars);
|
|
$i = 0;
|
|
while ($i < count($a))
|
|
{
|
|
$b = split('=', $a[$i],2);
|
|
// Check if this value doesn't already exist in new_extravars
|
|
if(array_key_exists($b[0], $new_extravars))
|
|
{
|
|
// print "Debug::Error !!! " . $b[0] . " ($i) already exists<br>";
|
|
if( eregi("\[\]", $b[0]) )
|
|
{
|
|
$b[0] = eregi_replace("\[\]", "[$i]", $b[0]);
|
|
}
|
|
}
|
|
|
|
$new_extravars[$b[0]] = $b[1];
|
|
$i++;
|
|
}
|
|
$extravars = $new_extravars;
|
|
unset($new_extravars);
|
|
}
|
|
|
|
/* if using frames we make sure there is a framepart */
|
|
if(@defined('PHPGW_USE_FRAMES') && PHPGW_USE_FRAMES)
|
|
{
|
|
if (!isset($extravars['framepart']))
|
|
{
|
|
$extravars['framepart']='body';
|
|
}
|
|
}
|
|
|
|
/* add session params if not using cookies */
|
|
if (@!$GLOBALS['phpgw_info']['server']['usecookies'])
|
|
{
|
|
$extravars['sessionid'] = $this->sessionid;
|
|
$extravars['kp3'] = $this->kp3;
|
|
$extravars['domain'] = $this->account_domain;
|
|
}
|
|
|
|
//used for repost prevention
|
|
// $extravars['click_history'] = $this->generate_click_history();
|
|
|
|
/* if we end up with any extravars then we generate the url friendly string */
|
|
if (is_array($extravars))
|
|
{
|
|
$new_extravars = '';
|
|
foreach($extravars as $key => $value)
|
|
{
|
|
if (!empty($new_extravars))
|
|
{
|
|
$new_extravars .= '&';
|
|
}
|
|
$new_extravars .= $key.'='.urlencode($value);
|
|
}
|
|
$url .= '?' . $new_extravars;
|
|
}
|
|
//echo " = '$url'</p>\n";
|
|
return $url;
|
|
}
|
|
|
|
/**
|
|
* The remaining methods are abstract - as they are unique for each session handler
|
|
*/
|
|
|
|
/**
|
|
* Load user's session information
|
|
*
|
|
* The sessionid of the session to read is passed in the class-var $this->sessionid
|
|
*
|
|
* @return mixed the session data
|
|
*/
|
|
function read_session()
|
|
{}
|
|
|
|
/**
|
|
* Remove stale sessions out of the database
|
|
*/
|
|
function clean_sessions()
|
|
{}
|
|
|
|
/**
|
|
* Set paramaters for cookies - only implemented in PHP4 sessions
|
|
*
|
|
* @param string $domain domain name to use in cookie
|
|
*/
|
|
|
|
function set_cookie_params($domain)
|
|
{}
|
|
|
|
/**
|
|
* Create a new session id
|
|
*
|
|
* @return string a new session id
|
|
*/
|
|
function new_session_id()
|
|
{}
|
|
|
|
/**
|
|
* Create a new session
|
|
*
|
|
* @param string $login user login
|
|
* @param string $user_ip users ip address
|
|
* @param int $now time now as a unix timestamp
|
|
* @param string $session_flags A = Anonymous, N = Normal
|
|
*/
|
|
function register_session($login,$user_ip,$now,$session_flags)
|
|
{}
|
|
|
|
/**
|
|
* Update the date last active info for the session, so the login does not expire
|
|
*
|
|
* @return bool did it suceed?
|
|
*/
|
|
function update_dla()
|
|
{}
|
|
|
|
/**
|
|
* Terminate a session
|
|
*
|
|
* @param string $sessionid the id of the session to be terminated
|
|
* @param string $kp3 - NOT SURE
|
|
* @return bool did it suceed?
|
|
*/
|
|
function destroy($sessionid, $kp3)
|
|
{}
|
|
|
|
/**
|
|
* Functions for appsession data and session cache
|
|
*/
|
|
|
|
/**
|
|
* Delete all data from the session cache for a user
|
|
*
|
|
* @param int $accountid user account id, defaults to current user (optional)
|
|
*/
|
|
function delete_cache($accountid='')
|
|
{}
|
|
|
|
/**
|
|
* Stores or retrieves information from the sessions cache
|
|
*
|
|
* @param string $location identifier for data
|
|
* @param string $appname name of app which is responsbile for the data
|
|
* @param mixed $data data to be stored, if left blank data is retreived (optional)
|
|
* @return mixed data from cache, only returned if $data arg is not used
|
|
*/
|
|
function appsession($location = 'default', $appname = '', $data = '##NOTHING##')
|
|
{}
|
|
|
|
/**
|
|
* Get list of normal / non-anonymous sessions
|
|
* Note: The data from the session-files get cached in the app_session phpgwapi/php4_session_cache
|
|
*
|
|
* @author ralfbecker
|
|
* @param int $start session to start at
|
|
* @param string $order field to sort on
|
|
* @param string $sort sort order
|
|
* @param bool $all_no_sort list all with out sorting (optional) default False
|
|
* @return array info for all current sessions
|
|
*/
|
|
function list_sessions($start,$order,$sort,$all_no_sort = False)
|
|
{}
|
|
|
|
/**
|
|
* Get the number of normal / non-anonymous sessions
|
|
*
|
|
* @author ralfbecker
|
|
* @return int number of sessions
|
|
*/
|
|
function total()
|
|
{}
|
|
}
|
|
|
|
if(empty($GLOBALS['phpgw_info']['server']['sessions_type']))
|
|
{
|
|
$GLOBALS['phpgw_info']['server']['sessions_type'] = 'php4'; // the more performant default
|
|
}
|
|
if ($GLOBALS['phpgw_info']['server']['sessions_type'] == 'php4' && !extension_loaded('session') && !@dl('session'))
|
|
{
|
|
$GLOBALS['phpgw_info']['server']['sessions_type'] = 'db'; // fallback if we have no php4 sessions support
|
|
}
|
|
include_once(PHPGW_API_INC.'/class.sessions_'.$GLOBALS['phpgw_info']['server']['sessions_type'].'.inc.php');
|