/** * Return shipping options items for shipping address from request */ public function shippingOptionsCallbackAction() { try { $quoteId = $this->getRequest()->getParam('quote_id'); $this->_quote = Mage::getModel('sales/quote')->load($quoteId); $this->_initCheckout(); $response = $this->_checkout->getShippingOptionsCallbackResponse($this->getRequest()->getParams()); $this->getResponse()->setBody($response); } catch (Exception $e) { Mage::logException($e); } }