class.ilCASSettingsGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
 
include_once './Services/CAS/classes/class.ilCASSettings.php';
 
class ilCASSettingsGUI
{
        const SYNC_DISABLED = 0;
        const SYNC_CAS = 1;
        const SYNC_LDAP = 2;
 
        private $settings;
 
        private $ref_id;
        
        public function __construct($a_auth_ref_id)
        {
                global $lng,$ilCtrl,$tpl,$ilTabs;
                
                $this->ctrl = $ilCtrl;
                $this->tabs_gui = $ilTabs;
                $this->lng = $lng;
                $this->lng->loadLanguageModule('registration');
                $this->lng->loadLanguageModule('auth');
                
                $this->tpl = $tpl;
                $this->ref_id = $a_auth_ref_id;
 
                $this->settings = ilCASSettings::getInstance();
        }
 
        protected function getSettings()
        {
                return $this->settings;
        }
        
        public function executeCommand()
        {
                global $ilAccess,$ilErr,$ilCtrl;
 
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd("settings");
                
                if(!$ilAccess->checkAccess('read','',$this->ref_id))
                {
                        $ilErr->raiseError($this->lng->txt('msg_no_perm_write'),$ilErr->WARNING);
                }
                
                if(!$ilAccess->checkAccess('write','',$this->ref_id) && $cmd != "settings")
                {
                        ilUtil::sendFailure($this->lng->txt('msg_no_perm_write'), true);
                        $ilCtrl->redirect($this, "settings");
                }
 
 
                switch($next_class)
                {
                        default:
                                if(!$cmd)
                                {
                                        $cmd = "settings";
                                }
                                $this->$cmd();
                                break;
                }
                return true;
                
        }
 
 
        protected function initFormSettings()
        {
                $this->lng->loadLanguageModule('auth');
                $this->lng->loadLanguageModule('radius');
 
                include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
                $form = new ilPropertyFormGUI();
                $form->setFormAction($this->ctrl->getFormAction($this));
 
                $form->setTitle($this->lng->txt('auth_cas_auth'));
                $form->setDescription($this->lng->txt("auth_cas_auth_desc"));
 
                // Form checkbox
                $check = new ilCheckboxInputGUI($this->lng->txt("active"),'active');
                $check->setChecked($this->getSettings()->isActive() ? true : false);
                $check->setValue(1);
                $form->addItem($check);
 
                $text = new ilTextInputGUI($this->lng->txt('server'),'server');
                $text->setValue($this->getSettings()->getServer());
                $text->setRequired(true);
                $text->setInfo($this->lng->txt('auth_cas_server_desc'));
                $text->setSize(64);
                $text->setMaxLength(255);
                $form->addItem($text);
 
                $port = new ilNumberInputGUI($this->lng->txt("port"), 'port');
                $port->setValue($this->getSettings()->getPort());
                $port->setRequired(true);
                $port->setMinValue(0);
                $port->setMaxValue(65535);
                $port->setSize(5);
                $port->setMaxLength(5);
                $port->setInfo($this->lng->txt('auth_cas_port_desc'));
                $form->addItem($port);
 
                $text = new ilTextInputGUI($this->lng->txt('uri'), 'uri');
                $text->setValue($this->getSettings()->getUri());
                $text->setRequired(true);
                $text->setInfo($this->lng->txt('auth_cas_uri_desc'));
                $text->setSize(64);
                $text->setMaxLength(255);
                $form->addItem($text);
 
                // User synchronization
                // 0: Disabled
                // 1: CAS
                // 2: LDAP
                $sync = new ilRadioGroupInputGUI($this->lng->txt('auth_sync'), 'sync');
                $sync->setRequired(true);
                #$sync->setInfo($this->lng->txt('auth_radius_sync_info'));
                $form->addItem($sync);
 
                // Disabled
                $dis = new ilRadioOption(
                        $this->lng->txt('disabled'),
                        self::SYNC_DISABLED,
                        ''
                );
                #$dis->setInfo($this->lng->txt('auth_radius_sync_disabled_info'));
                $sync->addOption($dis);
 
                // CAS
                $rad = new ilRadioOption(
                        $this->lng->txt('auth_sync_cas'),
                        self::SYNC_CAS,
                        ''
                );
                $rad->setInfo($this->lng->txt('auth_sync_cas_info'));
                $sync->addOption($rad);
 
                $select = new ilSelectInputGUI($this->lng->txt('auth_user_default_role'),'role');
                $select->setOptions($this->prepareRoleSelection());
                $select->setValue($this->getSettings()->getDefaultRole());
                $rad->addSubItem($select);
 
 
 
                // LDAP
                include_once './Services/LDAP/classes/class.ilLDAPServer.php';
                $server_ids = ilLDAPServer::getAvailableDataSources(AUTH_CAS);
 
                if(count($server_ids))
                {
                        $ldap = new ilRadioOption(
                                $this->lng->txt('auth_radius_ldap'),
                                self::SYNC_LDAP,
                                ''
                        );
                        $ldap->setInfo($this->lng->txt('auth_radius_ldap_info'));
                        $sync->addOption($ldap);
 
                        // TODO Handle more than one LDAP configuration
                }
 
                if(ilLDAPServer::isDataSourceActive(AUTH_CAS))
                {
                        $sync->setValue(self::SYNC_LDAP);
                }
                else
                {
                        $sync->setValue(
                                $this->getSettings()->isUserCreationEnabled() ?
                                        ilCASSettings::SYNC_CAS : 
                                        ilCASSettings::SYNC_DISABLED
                        );
                }
 
                $instruction = new ilTextAreaInputGUI($this->lng->txt('auth_login_instructions'), 'instruction');
                $instruction->setCols(80);
                $instruction->setRows(6);
                $instruction->setValue($this->getSettings()->getLoginInstruction());
                $form->addItem($instruction);
 
                $create = new ilCheckboxInputGUI($this->lng->txt('auth_allow_local'), 'local');
                $create->setInfo($this->lng->txt('auth_cas_allow_local_desc'));
                $create->setChecked($this->getSettings()->isLocalAuthenticationEnabled() ? true : false);
                $create->setValue(1);
                $form->addItem($create);
 
                $form->addCommandButton('save',$this->lng->txt('save'));
 
                return $form;
        }
        
        public function settings()
        {
                $form = $this->initFormSettings();
                $this->tpl->setContent($form->getHTML());
                return;
        }
        
        public function save()
        {
                $form = $this->initFormSettings();
                if($form->checkInput())
                {
                        $this->getSettings()->setActive($form->getInput('active'));
                        $this->getSettings()->setServer($form->getInput('server'));
                        $this->getSettings()->setPort($form->getInput('port'));
                        $this->getSettings()->setUri($form->getInput('uri'));
                        $this->getSettings()->setDefaultRole($form->getInput('role'));
                        $this->getSettings()->enableLocalAuthentication($form->getInput('local'));
                        $this->getSettings()->setLoginInstruction($form->getInput('instruction'));
                        $this->getSettings()->enableUserCreation($form->getInput('sync') == ilCASSettings::SYNC_CAS ? true : false);
                        $this->getSettings()->save();
 
                        include_once './Services/LDAP/classes/class.ilLDAPServer.php';
                        switch((int) $form->getInput('sync'))
                        {
                                case ilCASSettings::SYNC_DISABLED:
                                        ilLDAPServer::toggleDataSource(AUTH_CAS,false);
                                        break;
 
                                case ilCASSettings::SYNC_CAS:
                                        ilLDAPServer::toggleDataSource(AUTH_CAS,false);
                                        break;
 
 
                                case ilCASSettings::SYNC_LDAP:
                                        // TODO: handle multiple ldap configurations
                                        ilLDAPServer::toggleDataSource(AUTH_CAS,true);
                                        break;
                        }
 
                        ilUtil::sendSuccess($this->lng->txt('settings_saved'),true);
                        $this->ctrl->redirect($this,'settings');
                }
                
                $form->setValuesByPost();
                ilUtil::sendFailure($this->lng->txt('err_ceck_input'));
                $this->tpl->setContent($form->getHTML());
        }
        
        
        
        private function prepareRoleSelection()
        {
                global $rbacreview,$ilObjDataCache;
                
                $global_roles = ilUtil::_sortIds($rbacreview->getGlobalRoles(),
                        'object_data',
                        'title',
                        'obj_id');
                
                $select[0] = $this->lng->txt('links_select_one');
                foreach($global_roles as $role_id)
                {
                        $select[$role_id] = ilObject::_lookupTitle($role_id);
                }
                
                return $select;
        }
}
?>