class.ilAuthContainerMultiple.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

include_once 'Auth/Container.php';

include_once './Services/Authentication/classes/class.ilAuthUtils.php';
include_once './Services/Authentication/classes/class.ilAuthModeDetermination.php';


class ilAuthContainerMultiple extends Auth_Container
{
        protected $current_container = null;

        public function __construct()
        {
                parent::__construct();
                
                include_once './Services/Database/classes/class.ilAuthContainerMDB2.php';
                $this->current_container = new ilAuthContainerMDB2();
        }
        
    public function failedLoginObserver($a_username, $a_auth)
    {
        $this->log('Auth_Container_Multiple: All containers rejected user credentials.', AUTH_LOG_DEBUG);
                return false;
    }
    
    public function loginObserver($a_username, $a_auth)
    {
                $this->log('Container Multiple: loginObserver'.get_class($this->current_container),AUTH_LOG_DEBUG);
                // Forward to current container
                if($this->current_container instanceof Auth_Container)
                {
                        $this->log('Container Multiple: Forwarding to '.get_class($this->current_container),AUTH_LOG_DEBUG);
                        return $this->current_container->loginObserver($a_username, $a_auth);
                }
                return false;
    }
        
    public function checkAuthObserver($a_username, $a_auth)
    {
                $this->log('Container Multiple: checkAuthObserver',AUTH_LOG_DEBUG);
                // Forward to current container
                if($this->current_container instanceof Auth_Container)
                {
                        $this->log('Container Multiple: Forwarding to '.get_class($this->current_container),AUTH_LOG_DEBUG);
                        return $this->current_container->checkAuthObserver($a_username, $a_auth);
                }
                return false;
    }

        
        public function fetchData($user,$pass)
        {
                foreach(ilAuthModeDetermination::_getInstance()->getAuthModeSequence($user) as $auth_mode)
                {
                        ilLoggerFactory::getLogger('auth')->debug('Current authmode is ' . $auth_mode . ' => ' . (int) $auth_mode);
                        
                        if ($_REQUEST['force_mode_apache']) 
                        {
                                $this->log('Container Apache: Trying new container',AUTH_LOG_DEBUG);
                                include_once './Services/AuthApache/classes/class.ilAuthContainerApache.php';
                                $this->current_container = new ilAuthContainerApache();
                                
                                $auth = new ilAuthApache($this->current_container);
                        }
                        else
                        {
                                // begin-patch ldap_multiple
                                // cast to int
                                switch((int) $auth_mode)
                                {
                                        case AUTH_LDAP:
                                                $this->log('Container LDAP: Trying new container',AUTH_LOG_DEBUG);
                                                include_once './Services/LDAP/classes/class.ilAuthContainerLDAP.php';
                                                $sid = ilLDAPServer::getServerIdByAuthMode($auth_mode);
                                                ilLoggerFactory::getLogger('auth')->debug('Trying LDAP server id ' . $sid);
                                                $this->current_container = new ilAuthContainerLDAP($sid);
                                                break;
                                        
                                        case AUTH_LOCAL:
                                                $this->log('Container MDB2: Trying new container',AUTH_LOG_DEBUG);
                                                include_once './Services/Database/classes/class.ilAuthContainerMDB2.php';
                                                $this->current_container = new ilAuthContainerMDB2();
                                                break;
                                                
                                        case AUTH_SOAP:
                                                $this->log('Container SOAP: Trying new container',AUTH_LOG_DEBUG);
                                                include_once './Services/SOAPAuth/classes/class.ilAuthContainerSOAP.php';
                                                $this->current_container = new ilAuthContainerSOAP();
                                                break;
                                                
                                        case AUTH_RADIUS:
                                                $this->log('Container Radius: Trying new container',AUTH_LOG_DEBUG);
                                                include_once './Services/Radius/classes/class.ilAuthContainerRadius.php';
                                                $this->current_container = new ilAuthContainerRadius();
                                                break;
                                        
                                        // begin-patch auth_plugin
                                        default:
                                                $this->log('Container Plugin: Trying new container',AUTH_LOG_DEBUG);
                                                foreach(ilAuthUtils::getAuthPlugins() as $pl)
                                                {
                                                        $container = $pl->getContainer($auth_mode);
                                                        if($container instanceof Auth_Container)
                                                        {
                                                                $this->current_container = $container;
                                                                break;
                                                        }
                                                }
                                                break;
                                        // end-patch auth_plugin
                                        
                                }
                        }
            $this->current_container->_auth_obj = $this->_auth_obj;
                        
            $result = $this->current_container->fetchData($user, $pass);

            if (PEAR::isError($result)) 
                        {
                $this->log('Container '.$key.': '.$result->getMessage(), AUTH_LOG_ERR);
                                // Do not return here, otherwise wrong configured auth modes might block ilias database authentication
            } 
                        elseif ($result == true) 
                        {
                $this->log('Container '.$key.': Authentication successful.', AUTH_LOG_DEBUG);
                return true;
            } 
                        else 
                        {
                $this->log('Container '.$key.': Authentication failed.', AUTH_LOG_DEBUG);
            }
                }
        return false;
        }

        public function supportsCaptchaVerification()
        {
                return true;
        }
}
?>