def post(self):
models.save_communication(self.request.body)
if self.request.headers.get('Authorization'):
#get the Authorization string from the Google POST header
auth_string = self.request.headers.get('Authorization')
#decode the Authorization string and remove Basic portion
plain_string = base64.b64decode(auth_string.lstrip('Basic '))
#split the decoded string at the ':'
split_string = plain_string.split(':')
merchant_id = split_string[0]
merchant_key = split_string[1]
if merchant_id == settings.MERCHANT_ID and merchant_key == settings.MERCHANT_KEY and self.request.body:
notification = self.request.body
notification_dict = parse_google_response(notification)
notification_processed = False
if notification_dict['type'] == 'new-order-notification':
notification_processed = new_order_notification(notification_dict)
elif notification_dict['type'] == 'risk-information-notification':
notification_processed = True
elif notification_dict['type'] == 'order-state-change-notification':
notification_processed = True
elif notification_dict['type'] == 'charge-amount-notification':
notification_processed = amount_notification(notification_dict)
elif notification_dict['type'] == 'authorization-amount-notification':
notification_processed = True
else: pass #all other notifications are ignored
if notification_processed:
self.handshake(notification_dict['serial-number'])
else: self.error(401)
else: self.error(401)
return
def handshake(self, serial_number):
"Acknowledge receipt of notification."
doc = minidom.Document() #minidom object creation
notification_acknowledgment = doc.createElement("notification-acknowledgment")
notification_acknowledgment.setAttribute("xmlns", "http://checkout.google.com/schema/2")
notification_acknowledgment.setAttribute("serial-number", serial_number)
doc.appendChild(notification_acknowledgment)
acknowledgment = doc.toxml(encoding="utf-8")
models.save_communication(acknowledgment)
self.response.headers['Content-Type'] = 'text/xml'
self.response.out.write(acknowledgment)
return
