Services/Radius/classes/class.ilRadiusSettings.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. |
        +-----------------------------------------------------------------------------+
*/

class ilRadiusSettings
{
        const RADIUS_CHARSET_UTF8 = 0;
        const RADIUS_CHARSET_LATIN1 = 1;
        
        
        private $settings;
        private $db;
        private static $instance = null;
        
        private $account_migration = false;
        
        private $servers = array();
        
        private function __construct()
        {
                global $ilSetting,$ilDB;
                
                $this->settings = $ilSetting;
                $this->db = $ilDB;
                
                $this->read();
        }
        
        public static function _getInstance()
        {
                if(isset(self::$instance) and self::$instance)
                {
                        return self::$instance;
                }
                return self::$instance = new ilRadiusSettings();
        }
        
        public function isActive()
        {
                return $this->active ? true : false;
        }
        public function setActive($a_status)
        {
                $this->active = $a_status;
        }
        public function setPort($a_port)
        {
                $this->port = $a_port;
        }
        public function getPort()
        {
                return $this->port;
        }
        public function setSecret($a_secret)
        {
                $this->secret = $a_secret;
        }
        public function getSecret()
        {
                return $this->secret;
        }
        public function setServerString($a_server_string)
        {
                $this->server_string = $a_server_string;
                $this->servers = explode(',',$this->server_string);
        }
        public function getServersAsString()
        {
                return implode(',',$this->servers);
        }
        public function getServers()
        {
                return $this->servers ? $this->servers : array();
        }
        public function setName($a_name)
        {
                $this->name = $a_name;
        }
        public function getName()
        {
                return $this->name;
        }
        
        public function toPearAuthArray()
        {
                foreach($this->getServers() as $server)
                {
                        $auth_params['servers'][] = array($server,$this->getPort(),$this->getSecret());
                }
                return $auth_params ? $auth_params : array();
        }
        
        public function getDefaultRole()
        {
                return $this->default_role;
        }
        
        public function setDefaultRole($a_role)
        {
                $this->default_role = $a_role;
        }
        
        public function enabledCreation()
        {
                return $this->creation;
        }
        
        public function enableCreation($a_status)
        {
                $this->creation = $a_status;
        }
        
        public function enableAccountMigration($a_status)
        {
                $this->account_migration = $a_status;
        }
        
        public function isAccountMigrationEnabled()
        {
                return $this->account_migration ? true : false;
        }
        
        public function getCharset()
        {
                return $this->charset ? 1 : 0;
        }
        
        public function setCharset($a_charset)
        {
                $this->charset = $a_charset;
        }
        
        public function save()
        {
                // first delete old servers
                $query = "DELETE FROM settings WHERE keyword LIKE('radius_server%')";
                $this->db->query($query);
                
                $this->settings->set('radius_active',$this->isActive() ? 1 : 0);
                $this->settings->set('radius_port',$this->getPort());
                $this->settings->set('radius_shared_secret',$this->getSecret());
                $this->settings->set('radius_name',$this->getName());
                $this->settings->set('radius_creation',$this->enabledCreation() ? 1 : 0);
                $this->settings->set('radius_migration',$this->isAccountMigrationEnabled() ? 1 : 0);
                $this->settings->set('radius_charset',$this->getCharset() ? 1 : 0);
                
                $counter = 0;
                foreach($this->getServers() as $server)
                {
                        if(++$counter == 1)
                        {
                                $this->settings->set('radius_server',trim($server));
                        }
                        else
                        {
                                $this->settings->set('radius_server'.$counter,trim($server));
                        }
                }
                
                include_once('classes/class.ilObjRole.php');
                ilObjRole::_resetAuthMode('radius');
                
                if($this->getDefaultRole())
                {
                        ilObjRole::_updateAuthMode(array($this->getDefaultRole() => 'radius'));
                }
                return true;
        }
        
        public function validateRequired()
        {
                $ok = strlen($this->getServersAsString()) and strlen($this->getPort()) and strlen($this->getSecret()) and strlen($this->getName());
                
                $role_ok = true;
                if($this->enabledCreation() and !$this->getDefaultRole())
                {
                        $role_ok = false;
                }
                return $ok and $role_ok;
        }
        
        public function validatePort()
        {
                return preg_match("/^[0-9]{0,5}$/",$this->getPort()) == 1;
        }
        
        public function validateServers()
        {
                $servers = explode(",",$this->server_string);
                
                foreach ($servers as $server)
                {
                        $server = trim($server);

                        if (!ilUtil::isIPv4($server) and !ilUtil::isDN($server))
                        {
                                return false;
                        }
                }
                return true;
        }
        
        
        private function read()
        {
                $all_settings = $this->settings->getAll();
                
                $this->setActive($all_settings['radius_active']);
                $this->setPort($all_settings['radius_port']);
                $this->setSecret($all_settings['radius_shared_secret']);
                $this->setName($all_settings['radius_name']);
                $this->enableCreation($all_settings['radius_creation']);
                $this->enableAccountMigration($all_settings['radius_migration']);
                $this->setCharset($all_settings['radius_charset']);
                
                $query = "SELECT value FROM settings WHERE keyword LIKE 'radius_server%' ORDER BY keyword ASC";
                $res = $this->db->query($query);
                
                while ($row = $res->fetchRow())
                {
                        $this->servers[] = $row[0];
                }
                
                include_once('classes/class.ilObjRole.php');
                $roles = ilObjRole::_getRolesByAuthMode('radius');
                $this->default_role = $roles[0] ? $roles[0] : 0;
        }
}


?>