class.ilAuthContainerRadius.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/RADIUS.php');

class ilAuthContainerRadius extends Auth_Container_Radius
{
        private $radius_settings = null;
        private $rad_to_user = null;
        private $log = null;
        private $force_creation = false;
        
        public function __construct()
        {
                $this->initSettings();
                
                // Convert password to latin1
                if($this->radius_settings->getCharset() == ilRadiusSettings::RADIUS_CHARSET_LATIN1)
                {
                        #$_POST['username'] = utf8_decode($_POST['username']);
                        #$_POST['password'] = utf8_decode($_POST['password']);
                        $GLOBALS['ilLog']->write(__METHOD__.': Decoded username and password to latin1.');
                }

                parent::__construct($this->radius_settings->toPearAuthArray());

        }

        /*
        public function fetchData($username, $password, $challenge = null)
        {
                return true;
        }
         */
        
        public function forceCreation($a_status)
        {
                $this->force_creation = true;
        }
        
        public function loginObserver($a_username,$a_auth)
        {
                // Radius with ldap as data source
                include_once './Services/LDAP/classes/class.ilLDAPServer.php';
                if(ilLDAPServer::isDataSourceActive(AUTH_RADIUS))
                {
                        return $this->handleLDAPDataSource($a_auth,$a_username);
                }

                $user_data = array_change_key_case($a_auth->getAuthData(),CASE_LOWER);
                $user_data['ilInternalAccount'] = ilObjUser::_checkExternalAuthAccount("radius",$a_username);

                if(!$user_data['ilInternalAccount'])
                {
                        if($this->radius_settings->enabledCreation())
                        {
                                if($this->radius_settings->isAccountMigrationEnabled() and !$this->force_creation)
                                {
                                        $a_auth->logout();
                                        $_SESSION['tmp_auth_mode'] = 'radius';
                                        $_SESSION['tmp_auth_mode_type'] = 'radius';
                                        $_SESSION['tmp_external_account'] = $a_username;
                                        $_SESSION['tmp_pass'] = $_POST['password'];
                                        $_SESSION['tmp_roles'] = array(0 => $this->radius_settings->getDefaultRole());
                                
                                        ilUtil::redirect('ilias.php?baseClass=ilStartUpGUI&cmd=showAccountMigration&cmdClass=ilstartupgui');
                                }
                                $this->initRADIUSAttributeToUser();
                                $new_name = $this->radius_user->create($a_username);
                                $a_auth->setAuth($new_name);
                                return true;
                        }
                        else
                        {
                                // No syncronisation allowed => create Error
                                $a_auth->status = AUTH_RADIUS_NO_ILIAS_USER;
                                $a_auth->logout();
                                return false;
                        }
                        
                }
                else
                {
                        $a_auth->setAuth($user_data['ilInternalAccount']);
                        return true;
                }
        }
        
        private function initSettings()
        {
                include_once 'Services/Radius/classes/class.ilRadiusSettings.php';
                $this->radius_settings = ilRadiusSettings::_getInstance();
        }
        
        
        private function initRADIUSAttributeToUser()
        {
                include_once('Services/Radius/classes/class.ilRadiusAttributeToUser.php');
                $this->radius_user = new ilRadiusAttributeToUser();
        }

        protected function handleLDAPDataSource($a_auth,$ext_account)
        {
                include_once './Services/LDAP/classes/class.ilLDAPServer.php';
                $server = ilLDAPServer::getInstanceByServerId(
                        ilLDAPServer::getDataSource(AUTH_RADIUS)
                );

                $GLOBALS['ilLog']->write(__METHOD__.'Using ldap data source');

                include_once './Services/LDAP/classes/class.ilLDAPUserSynchronisation.php';
                $sync = new ilLDAPUserSynchronisation('radius', $server->getServerId());
                $sync->setExternalAccount($ext_account);
                $sync->setUserData(array());
                $sync->forceCreation($this->force_creation);

                try {
                        $internal_account = $sync->sync();
                }
                catch(UnexpectedValueException $e) {
                        $GLOBALS['ilLog']->write(__METHOD__.': Login failed with message: '. $e->getMessage());
                        $a_auth->status = AUTH_WRONG_LOGIN;
                        $a_auth->logout();
                        return false;
                }
                catch(ilLDAPSynchronisationForbiddenException $e) {
                        // No syncronisation allowed => create Error
                        $GLOBALS['ilLog']->write(__METHOD__.': Login failed with message: '. $e->getMessage());
                        $a_auth->status = AUTH_RADIUS_NO_ILIAS_USER;
                        $a_auth->logout();
                        return false;
                }
                catch(ilLDAPAccountMigrationRequiredException $e) {
                        $GLOBALS['ilLog']->write(__METHOD__.': Starting account migration.');
                        $a_auth->logout();
                        ilUtil::redirect('ilias.php?baseClass=ilStartUpGUI&cmdClass=ilstartupgui&cmd=showAccountMigration');
                }

                $a_auth->setAuth($internal_account);
                return true;
        }

        public function supportsCaptchaVerification()
        {
                return true;
        }
}

?>