classes/class.ilAuthUtils.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 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. |
        +-----------------------------------------------------------------------------+
*/


class ilAuthUtils
{
        function _getAuthModeOfUser($a_username,$a_password,$a_db_handler = '')
        {
                global $ilDB;
                
                $db =& $ilDB;
                
                if ($a_db_handler != '')
                {
                        $db =& $a_db_handler;
                }
                
                $q = "SELECT auth_mode FROM usr_data WHERE ".
                         "login = ".$ilDB->quote($a_username)." AND ".
                         "passwd = ".$ilDB->quote(md5($a_password))."";
                $r = $this->db->query($q);
                
                $row = $r->fetchRow(DB_FETCHMODE_OBJECT);
                
                return ilAuthUtils::_getAuthMode($row->auth_mode,$db);
        }
        
        function _getAuthMode($a_auth_mode,$a_db_handler = '')
        {
                global $ilDB;
                
                $db =& $ilDB;
                
                if ($a_db_handler != '')
                {
                        $db =& $a_db_handler;
                }

                switch ($a_auth_mode)
                {
                        case "local":
                                return AUTH_LOCAL;
                                break;
                                
                        case "ldap":
                                return AUTH_LDAP;
                                break;
                                
                        case "radius":
                                return AUTH_RADIUS;
                                break;
                                
                        case "script":
                                return AUTH_SCRIPT;
                                break;
                                
                        case "shibboleth":
                                return AUTH_SHIBBOLETH;
                                break;
                                
                        default:
                                $q = "SELECT value FROM settings WHERE ".
                                         "keyword='auth_mode'";
                                $r = $db->query($q);
                                $row = $r->fetchRow();
                                return $row[0];
                                break;  
                }
        }
        
        function _getAuthModeName($a_auth_key)
        {
                global $ilias;

                switch ($a_auth_key)
                {
                        case AUTH_LOCAL:
                                return "local";
                                break;
                                
                        case AUTH_LDAP:
                                return "ldap";
                                break;
                                
                        case AUTH_RADIUS:
                                return "radius";
                                break;
                                
                        case AUTH_SCRIPT:
                                return "script";
                                break;
                                
                        case AUTH_SHIBBOLETH:
                                return "shibboleth";
                                break;
                                
                        default:
                                return "default";
                                break;  
                }
        }
        
        function _getActiveAuthModes()
        {
                global $ilias;
                
                $modes = array(
                                                'default'       => $ilias->getSetting("auth_mode"),
                                                'local'         => AUTH_LOCAL
                                                );
                
                if ($ilias->getSetting("ldap_active")) $modes['ldap'] = AUTH_LDAP;
                if ($ilias->getSetting("radius_active")) $modes['radius'] = AUTH_RADIUS;
                if ($ilias->getSetting("shibboleth_active")) $modes['shibboleth'] = AUTH_SHIBBOLETH;
                if ($ilias->getSetting("script_active")) $modes['script'] = AUTH_SCRIPT;

                return $modes;
        }
        
}
?>