Zend FR

public function preDispatch(Zend_Controller_Request_Abstract $request)
    {  
        if ($this->_auth->hasIdentity())
        {
               
              $PER_DROITS = $_SESSION['USER']['informations']->PER_DROITS;
            // Recuperer içi le role de l'utilisateur connecté            
            if($PER_DROITS == 1){
                $_SESSION['acl']->role = 'user';
            }elseif ($PER_DROITS == 405)
                $_SESSION['acl']->role = 'administrateur';
        }
        
        $controller = $request->controller;
        $action = $request->action;
        $module = $request->module;
        $resource = $controller;
    
        if (!$this->_acl->has($resource)) 
            $resource = 'Auth';
                
        if (!$this->_acl->isAllowed($_SESSION['acl']->role, $resource, $action)) 
        {
               //n'est pas loggé
            if (!$this->_auth->hasIdentity()) 
            {                      
                $module = FAIL_AUTH_MODULE;
                $controller = FAIL_AUTH_CONTROLLER;
                $action = FAIL_AUTH_ACTION;
            //n'est pas autorisé
            } else 
            {          
                $module = 'default';                
                $controller = 'Index';               
                $action = 'index';                
            }
        }
    
        $request->setModuleName($module);
        $request->setControllerName($controller);                
        $request->setActionName($action);
        
    }