/**
* Public function that creates a single instance
*/
public static function getInstance($event_handler)
{
if (!isset(self::$_instance)) {
self::$_instance = new self($event_handler);
}
return self::$_instance;
}
/**
* Transfers control to module functions
*
* @param array $params
* @param array $children
*/
public function transferControl($params, $children)
{
// dead lock protection for backend module
if (isset($params['action']) && isset($_REQUEST['module']) && $_REQUEST['module'] == $this->name && $params['action'] == 'transfer_control') {
$params['backend_action'] = fix_chars($_REQUEST['backend_action']);
unset($_REQUEST['module']);
unset($params['action']);
}
if (isset($params['action'])) {
switch ($params['action']) {
case 'login':
case 'login_commit':
case 'logout':
case 'logout_commit':
case 'json_login':
case 'json_logout':
$session_manager = SessionManager::getInstance();
$session_manager->transferControl();
break;
case 'verify_account':
$user_manager = Backend_UserManager::getInstance($this->event_handler);
$user_manager->verifyAccount($params, $children);
break;
case 'save_unpriviledged_user':
$user_manager = Backend_UserManager::getInstance($this->event_handler);
$user_manager->saveUnpriviledgedUser($params, $children);
break;
case 'save_unpriviledged_password':
$user_manager = Backend_UserManager::getInstance($this->event_handler);
$user_manager->saveUnpriviledgedPassword($params, $children);
break;
case 'password_recovery':
$user_manager = Backend_UserManager::getInstance($this->event_handler);
$user_manager->recoverPasswordByEmail($params, $children);
break;
case 'password_recovery_save':
$user_manager = Backend_UserManager::getInstance($this->event_handler);
$user_manager->saveRecoveredPassword($params, $children);
break;
case 'draw_menu':
$this->drawCompleteMenu();
break;
case 'transfer_control':
// if user is not logged, redirect him to a proper place
if (!isset($_SESSION['logged']) || !$_SESSION['logged']) {
$session_manager = SessionManager::getInstance($this);
$session_manager->transferControl();
return;
}
// fix input parameters
foreach ($_REQUEST as $key => $value) {
$_REQUEST[$key] = $this->utf8_urldecode($_REQUEST[$key]);
}
// transfer control
$action = fix_chars($_REQUEST['backend_action']);
$module_name = fix_chars($_REQUEST['module']);
$params['backend_action'] = $action;
// add sub-action if specified
if (isset($_REQUEST['sub_action'])) {
$params['sub_action'] = fix_chars($_REQUEST['sub_action']);
}
if (class_exists($module_name)) {
$module = call_user_func(array($module_name, 'getInstance'));
$module->transferControl($params, $children);
}
break;
default:
// draw main backend as default
$this->showBackend();
break;
}
}
if (isset($params['backend_action'])) {
switch ($params['backend_action']) {
case 'modules':
$this->showModules();
break;
case 'module_activate':
$this->activateModule();
break;
case 'module_deactivate':
$this->deactivateModule();
break;
case 'module_initialise':
$this->initialiseModule();
break;
case 'module_initialise_commit':
$this->initialiseModule_Commit();
break;
case 'module_disable':
$this->disableModule();
break;
case 'module_disable_commit':
$this->disableModule_Commit();
break;
// ---
// ---
case 'users':
case 'users_create':
case 'users_change':
case 'users_save':
case 'users_delete':
case 'users_delete_commit':
case 'change_password':
case 'save_password':
case 'email_templates':
case 'email_templates_save':
$user_manager = Backend_UserManager::getInstance($this->event_handler);
$user_manager->transferControl();
break;
// ---
// ---
case 'logout':
case 'logout_commit':
$session_manager = SessionManager::getInstance($this);
$session_manager->transferControl();
break;
}
}
}
