Twilio SMS app hooks

class MainHandler(webapp.RequestHandler):

  def post(self):
      
      # this handler is intended for admin use only
      # only accept calls from my own phone
      caller = self.request.get('From')
      if caller != '608XXXXXXX':
          logging.error('illegal caller %s with message %s' % (caller,self.request.get('Body')))
          return
      
      # validate it is in fact coming from twilio
      if ACCOUNT_SID == self.request.get('AccountSid'):
        logging.info("was confirmed to have come from Twilio (%s)." % caller)
      else:
        logging.info("was NOT VALID.  It might have been spoofed (%s)!" % caller)
        return
      
      # determine the command from the message
      body = self.request.get('Body')
      if body is None:
          logging.error('empty command!?')
          return
      
      command = body.split()
      logging.info('processing new command %s from message %s' % (command[0],body))

      if command[0].lower() == 'help':
          # setup the response SMS
          smsBody = "disable, enable, event <#>, get, add <name> <name> <number>"
      elif command[0].lower() == 'disable':
          setService(False)
          smsBody = "turned service off!"
      elif command[0].lower() == 'enable':
          setService(True)
          smsBody = "turned service on!"
      elif command[0].lower() == 'add':
          addUser(body)
          smsBody = "added athlete %s" % command[1]
      elif command[0].lower() == 'event':
          setEvent(command[1])
          smsBody = "set event to %s" % command[1]
      elif command[0].lower() == 'get':
          smsBody = "current event is %s" % memcache.get('eventNumber')
      else:
          smsBody = "error... unsupported command [%s]" % command[0]

      logging.debug("responding to query with %s" % smsBody)
      r = twilio.Response()
      r.append(twilio.Sms(smsBody))
      self.response.out.write(r)