#!/usr/bin/env python

import argparse

import messagebird

parser = argparse.ArgumentParser()

parser.add_argument('--signingKey', help='access key for MessageBird API', type=str, required=True)

parser.add_argument('--requestTimestamp', help='the request timestamp', type=str, required=True)

parser.add_argument('--requestBody', help='the request body', type=str, required=True)

parser.add_argument('--signature', help='the signature', type=str, required=True)

args = vars(parser.parse_args())

signed_request = messagebird.SignedRequest(args['signature'], args['timestamp'], args['requestBody'], {})

if signed_request.verify(args['signingKey']):

print("The signed request has been verified.")

else:

print("The signed request cannot be verified.")

if signed_request.is_recent():

print("The signed request is recent.")

else:

print("The signed request is not recent.")