diff --git a/phpgwapi/inc/class.sessions.inc.php b/phpgwapi/inc/class.sessions.inc.php
new file mode 100644
index 0000000000..4009c88409
--- /dev/null
+++ b/phpgwapi/inc/class.sessions.inc.php
@@ -0,0 +1,1331 @@
+<?php
+  /**************************************************************************\
+  * eGroupWare API - Session management                                      *
+  * This file written by Dan Kuykendall <seek3r@phpgroupware.org>            *
+  * and Joseph Engo <jengo@phpgroupware.org>                                 *
+  * and Ralf Becker <ralfbecker@outdoor-training.de>                         *
+  * Copyright (C) 2000, 2001 Dan Kuykendall                                  *
+  * Parts Copyright (C) 2003 Free Software Foundation Inc                    *
+  * -------------------------------------------------------------------------*
+  * This library is part of the eGroupWare API                               * 
+  * http://www.egroupware.org/api                                            *  
+  * ------------------------------------------------------------------------ *
+  * This library is free software; you can redistribute it and/or modify it  *
+  * under the terms of the GNU Lesser General Public License as published by *
+  * the Free Software Foundation; either version 2.1 of the License,         *
+  * or any later version.                                                    *
+  * This library 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 Lesser General Public License for more details.              *
+  * You should have received a copy of the GNU Lesser General Public License *
+  * along with this library; if not, write to the Free Software Foundation,  *
+  * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA            *
+  \**************************************************************************/
+
+  /* $Id$ */
+
+	/* sessions_type setup moved after the class below - milosch */
+
+	/**
+	* Session Management Libabray
+	*
+	* This allows eGroupWare to use php4 or database sessions
+	*
+	* @package phpgwapi
+	* @subpackage sessions
+	* @abstract
+	* @author NetUSE AG Boris Erdmann, Kristian Koehntopp <br> hacked on by phpGW
+	* @copyright &copy; 1998-2000 NetUSE AG Boris Erdmann, Kristian Koehntopp <br> &copy; 2003 FreeSoftware Foundation
+	* @license LGPL
+	* @link http://www.sanisoft.com/phplib/manual/DB_sql.php
+	* @uses db
+	*/
+
+	class sessions_
+	{
+		/**
+		* @var string current user login
+		*/
+		var $login;
+
+		/**
+		* @var string current user password
+		*/
+		var $passwd;
+
+		/**
+		* @var int current user db/ldap account id
+		*/
+		var $account_id;
+
+		/**
+		* @var string current user account login id - ie user@domain
+		*/
+		var $account_lid;
+
+		/**
+		* @var string previous page call id - repost prevention
+		*/
+		var $history_id;
+
+		/**
+		* @var string domain for current user
+		*/
+		var $account_domain;
+
+		/**
+		* @var session type flag, A - anonymous session, N - None, normal session
+		*/
+		var $session_flags;
+
+		/**
+		* @var string current user session id
+		*/
+		var $sessionid;
+
+		/**
+		* @var string not sure what this does, but it is important :)
+		*/
+		var $kp3;
+
+		/**
+		* @var string encryption key?
+		*/
+		var $key;
+
+		/**
+		* @var string iv == ivegotnoidea ;) (skwashd)
+		*/
+		var $iv;
+
+		/**
+		* @var session data
+		*/
+		var $data;
+        
+		/**
+		* @var object holder for the database object
+		*/
+		var $db;
+        
+		/**
+		* @var array publicly available methods
+		*/
+		var $public_functions = array(
+			'list_methods' => True,
+			'update_dla'   => True,
+			'list'         => True,
+			'total'        => True
+		);
+
+		/**
+		* @var string domain for cookies
+		*/
+		var $cookie_domain;
+
+		/**
+		* @var name of XML-RPC/SOAP method called
+		*/
+		var $xmlrpc_method_called;
+
+		/**
+		* Constructor just loads up some defaults from cookies
+		*/
+		function sessions_()
+		{
+			$this->db = $GLOBALS['phpgw']->db;
+			$this->sessionid = get_var('sessionid',array('GET','COOKIE'));
+			$this->kp3       = get_var('kp3',array('GET','COOKIE'));
+
+			/* Create the crypto object */
+			$GLOBALS['phpgw']->crypto = CreateObject('phpgwapi.crypto');
+			if ($GLOBALS['phpgw_info']['server']['usecookies'])
+			{
+				$this->phpgw_set_cookiedomain();
+			}
+			// verfiy and if necessary create and save our config settings
+			//
+			$save_rep = False;
+			if (!isset($GLOBALS['phpgw_info']['server']['max_access_log_age']))
+			{
+				$GLOBALS['phpgw_info']['server']['max_access_log_age'] = 90;	// default 90 days
+				$save_rep = True;
+			}
+			if (!isset($GLOBALS['phpgw_info']['server']['block_time']))
+			{
+				$GLOBALS['phpgw_info']['server']['block_time'] = 30;	// default 30min
+				$save_rep = True;
+			}
+			if (!isset($GLOBALS['phpgw_info']['server']['num_unsuccessful_id']))
+			{
+				$GLOBALS['phpgw_info']['server']['num_unsuccessful_id']  = 3;	// default 3 trys per id
+				$save_rep = True;
+			}
+			if (!isset($GLOBALS['phpgw_info']['server']['num_unsuccessful_ip']))
+			{
+				$GLOBALS['phpgw_info']['server']['num_unsuccessful_ip']  = $GLOBALS['phpgw_info']['server']['num_unsuccessful_id'];	// default same as for id
+				$save_rep = True;
+			}
+			if (!isset($GLOBALS['phpgw_info']['server']['install_id']))
+			{
+				$GLOBALS['phpgw_info']['server']['install_id']  = md5($GLOBALS['phpgw']->common->randomstring(15));
+				$save_rep = True;
+			}
+			if (!isset($GLOBALS['phpgw_info']['server']['sessions_timeout']))
+			{
+				$GLOBALS['phpgw_info']['server']['sessions_timeout'] = 14400;
+				$save_rep = True;
+			}
+			if (!isset($GLOBALS['phpgw_info']['server']['sessions_app_timeout']))
+			{
+				$GLOBALS['phpgw_info']['server']['sessions_app_timeout'] = 86400;
+				$save_rep = True;
+			}
+			if (!isset($GLOBALS['phpgw_info']['server']['max_history']))
+			{
+				$GLOBALS['phpgw_info']['server']['max_history'] = 20;
+				$save_rep = True;
+			}
+			if ($save_rep)
+			{
+				$config = CreateObject('phpgwapi.config','phpgwapi');
+				$config->read_repository();
+				$config->value('max_access_log_age',$GLOBALS['phpgw_info']['server']['max_access_log_age']);
+				$config->value('block_time',$GLOBALS['phpgw_info']['server']['block_time']);
+				$config->value('num_unsuccessful_id',$GLOBALS['phpgw_info']['server']['num_unsuccessful_id']);
+				$config->value('num_unsuccessful_ip',$GLOBALS['phpgw_info']['server']['num_unsuccessful_ip']);
+				$config->value('install_id',$GLOBALS['phpgw_info']['server']['install_id']);
+				$config->value('sessions_timeout',$GLOBALS['phpgw_info']['server']['sessions_timeout']);
+				$config->value('sessions_app_timeout',$GLOBALS['phpgw_info']['server']['sessions_app_timeout']);
+				$config->save_repository();
+				unset($config);
+			}
+		}
+
+		/**
+		* Introspection for XML-RPC/SOAP
+		* Diabled - why??
+		*
+		* @param string $_type tpye of introspection being sought
+		* @return array available methods and args
+		*/
+		function DONTlist_methods($_type)
+		{
+			if (is_array($_type))
+			{
+				$_type = $_type['type'];
+			}
+
+			switch($_type)
+			{
+				case 'xmlrpc':
+					$xml_functions = array(
+						'list_methods' => array(
+							'function'  => 'list_methods',
+							'signature' => array(array(xmlrpcStruct,xmlrpcString)),
+							'docstring' => lang('Read this list of methods.')
+						),
+						'update_dla' => array(
+							'function'  => 'update_dla',
+							'signature' => array(array(xmlrpcBoolean)),
+							'docstring' => lang('Returns an array of todo items')
+						)
+					);
+					return $xml_functions;
+					break;
+				case 'soap':
+					return $this->soap_functions;
+					break;
+				default:
+					return array();
+					break;
+			}
+		}
+
+		function split_login_domain($both,&$login,&$domain)
+		{
+			$parts = explode('@',$both);
+			$domain = count($parts) > 1 ? array_pop($parts) :
+				$GLOBALS['phpgw_info']['server']['default_domain'];
+			$login = implode('@',$parts);
+		}
+
+		/**
+		* Check to see if a session is still current and valid
+		*
+		* @param string $sessionid session id to be verfied
+		* @param string $kp3 ?? to be verified
+		* @return bool is the session valid?
+		*/
+		function verify($sessionid='',$kp3='')
+		{
+			if(empty($sessionid) || !$sessionid)
+			{
+				$sessionid = get_var('sessionid',array('GET','COOKIE'));
+				$kp3       = get_var('kp3',array('GET','COOKIE'));
+			}
+
+			$this->sessionid = $sessionid;
+			$this->kp3       = $kp3;
+
+			$session = $this->read_session();
+			//echo "<pre>session::verify(id='$sessionid'): \n".print_r($session,True)."</pre>\n";
+			/*
+			$fp = fopen('/tmp/session_verify','a+');
+			fwrite($fp,"session::verify(id='$sessionid'): \n".print_r($session,True)."\n\n");
+			fclose($fp);
+			*/
+			if ($session['session_dla'] <= (time() - $GLOBALS['phpgw_info']['server']['sessions_timeout']))
+			{
+				$this->clean_sessions();
+				return False;
+			}
+
+			$this->session_flags = $session['session_flags'];
+
+			sessions_::split_login_domain($session['session_lid'],$this->account_lid,$this->account_domain);
+
+			$GLOBALS['phpgw_info']['user']['kp3'] = $this->kp3;
+
+			$this->update_dla();
+			$this->account_id = $GLOBALS['phpgw']->accounts->name2id($this->account_lid);
+			if (!$this->account_id)
+			{
+				return False;
+			}
+
+			$GLOBALS['phpgw_info']['user']['account_id'] = $this->account_id;
+
+			/* 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));
+
+			$this->read_repositories(@$GLOBALS['phpgw_info']['server']['cache_phpgw_info']);
+			
+			if ($this->user['expires'] != -1 && $this->user['expires'] < time())
+			{
+				if(is_object($GLOBALS['phpgw']->log))
+				{
+					$GLOBALS['phpgw']->log->message(array(
+						'text' => 'W-VerifySession, account loginid %1 is expired',
+						'p1'   => $this->account_lid,
+						'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_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 ($this->account_domain != $GLOBALS['phpgw_info']['user']['domain'])
+			{
+				if(is_object($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);
+				}
+				//echo 'DEBUG: Sessions: account_id is empty!<br>'."\n";
+				return False;
+			}
+			else
+			{
+				return True;
+			}
+		}
+
+		/**
+		* Functions for creating and verifying the session
+		*/
+        
+		/**
+		* Get the ip address of current users
+		*
+		* @return string ip address
+		*/
+		function getuser_ip()
+		{
+			return (isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR']);
+		}
+
+		/**
+		* Set the domain used for cookies
+		*
+		* @return string domain
+		*/
+		function phpgw_set_cookiedomain()
+		{
+			$this->cookie_domain = $_SERVER['HTTP_HOST'];
+
+			// remove port from HTTP_HOST
+			if (preg_match("/^(.*):(.*)$/",$this->cookie_domain,$arr))
+			{
+				$this->cookie_domain = $arr[1];
+			}
+			if (count(explode('.',$this->cookie_domain)) <= 1)
+			{
+				// setcookie dont likes domains without dots, leaving it empty, gets setcookie to fill the domain in
+				$this->cookie_domain = '';
+			}
+			print_debug('COOKIE_DOMAIN',$this->cookie_domain,'api');
+
+			$this->set_cookie_params($this->cookie_domain);	// for php4 sessions necessary
+		}
+
+		/**
+		* Set a cookie
+		*
+		* @param string $cookiename name of cookie to be set
+		* @param string $cookievalue value to be used, if unset cookie is cleared (optional)
+		* @param int $cookietime when cookie should expire, 0 for session only (optional)
+		*/
+		function phpgw_setcookie($cookiename,$cookievalue='',$cookietime=0)
+		{
+			if (!$this->cookie_domain)
+			{
+				$this->phpgw_set_cookiedomain();
+			}
+			setcookie($cookiename,$cookievalue,$cookietime,'/',$this->cookie_domain);
+		}
+
+		/**
+		* Create a new session
+		*
+		* @param string $login user login
+		* @param string $passwd user password
+		* @param string $passwd_type type of password being used, ie plaintext, md5, sha1
+		* @return string session id
+		*/
+		function create($login,$passwd = '',$passwd_type = '')
+		{
+			if (is_array($login))
+			{
+				$this->login       = $login['login'];
+				$this->passwd      = $login['passwd'];
+				$this->passwd_type = $login['passwd_type'];
+				$login             = $this->login;
+			}
+			else
+			{
+				$this->login       = $login;
+				$this->passwd      = $passwd;
+				$this->passwd_type = $passwd_type;
+			}
+
+			$this->clean_sessions();
+			sessions_::split_login_domain($login,$this->account_lid,$this->account_domain);
+
+			$now = time();
+
+			//echo "<p>session::create(login='$login'): lid='$this->account_lid', domain='$this->account_domain'</p>\n";
+			$user_ip = $this->getuser_ip();
+
+			if (($blocked = $this->login_blocked($login,$user_ip)) ||	// too many unsuccessful attempts
+				$GLOBALS['phpgw_info']['server']['global_denied_users'][$this->account_lid] ||
+				!$GLOBALS['phpgw']->auth->authenticate($this->account_lid, $this->passwd, $this->passwd_type) ||
+				$GLOBALS['phpgw']->accounts->get_type($this->account_lid) == 'g')
+			{
+				$this->reason = $blocked ? 'blocked, too many attempts' : 'bad login or password';
+				$this->cd_reason = $blocked ? 99 : 5;
+
+				$this->log_access($this->reason,$login,$user_ip,0);	// log unsuccessfull login
+				return False;
+			}
+
+			if ((!$GLOBALS['phpgw']->accounts->exists($this->account_lid)) && $GLOBALS['phpgw_info']['server']['auto_create_acct'] == True)
+			{
+				$this->account_id = $GLOBALS['phpgw']->accounts->auto_add($this->account_lid, $passwd);
+			}
+			else
+			{
+				$this->account_id = $GLOBALS['phpgw']->accounts->name2id($this->account_lid);
+			}
+			$GLOBALS['phpgw_info']['user']['account_id'] = $this->account_id;
+			$GLOBALS['phpgw']->accounts->accounts($this->account_id);
+			$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']))
+	{
+		$GLOBALS['phpgw_info']['server']['sessions_type'] = 'db';
+	}
+	include_once(PHPGW_API_INC.'/class.sessions_'.$GLOBALS['phpgw_info']['server']['sessions_type'].'.inc.php');