/**
  * Weiterleiten auf hipay
  */
 public function redirectAction()
 {
     Mage::log('MapiController > redirectAction');
     try {
         Mage::log($_SERVER['REQUEST_URI']);
         $uri = $_SERVER['REQUEST_URI'];
         $uriArray = explode("/", $uri);
         $redirectOrder = trim(end($uriArray));
         $session = $this->_getCheckout();
         $orderId = $session->getLastRealOrderId();
         if ($orderId == $redirectOrder) {
             $order = Mage::getModel('sales/order');
             $order->loadByIncrementId($orderId);
             $token = Mage::helper('hipaymod')->generateToken();
             Mage::log("Token: [" . $token . "]");
             $_SESSION['hipay_token_' . $token] = $orderId;
             $resultArray = Mage::helper('hipaymod')->getSinglePaymentUrl($order, $token);
             $paymentUrl = $resultArray["paymentUrl"];
             $errorMsg = $resultArray["errorMsg"];
             if (!empty($paymentUrl)) {
                 $order->addStatusHistoryComment(Mage::helper('hipaymod')->__('The customer was redirected to Hipay'), Mage_Sales_Model_Order::STATE_PENDING_PAYMENT);
                 $order->save();
                 Mage::log("redirect to '" . $paymentUrl . "'");
                 parent::_redirectUrl($paymentUrl);
             } else {
                 Mage::log("redirect error: '" . $errorMsg . "'");
                 $this->_redirect('checkout/cart');
             }
         } else {
             Mage::log("Illegal redirect attempt");
             $this->_redirect('checkout/cart');
         }
     } catch (Exception $e) {
         Mage::logException($e);
         parent::_redirect('checkout/cart');
     }
 }
 protected function _redirectUrl($url = '')
 {
     return parent::_redirectUrl($this->_getRedirectUrl($url));
 }