#!/usr/bin/env python

# Copyright (c) 2014, NORDUnet A/S.
# See LICENSE for licensing information.

import argparse
import urllib2
import urllib
import json
import base64
import sys
import struct
import hashlib
import itertools
from certtools import *
from certtools import *
from precerttools import *
import os
import signal
import select
import zipfile

parser = argparse.ArgumentParser(description='')
parser.add_argument('templates', help="Test templates, separated with colon")
parser.add_argument('test', help="Files to test, separated with colon")
args = parser.parse_args()

file1contents = open(args.templates).read()
certchain1 = get_certs_from_string(file1contents)
precerts1 = get_precerts_from_string(file1contents)

file2contents = open(args.test).read()
certchain2 = get_certs_from_string(file2contents)
precerts2 = get_precerts_from_string(file2contents)

if precerts1 != precerts2:
    print "precerts are different"
    sys.exit(1)

if certchain1 == certchain2:
    sys.exit(0)

if len(certchain2) == len(certchain1) + 1:
    if certchain2[:-1] != certchain1:
        print "certchains are different"
        sys.exit(1)
    last_issuer = get_cert_info(certchain1[-1])["issuer"]
    root_subject = get_cert_info(certchain2[-1])["subject"]
    if last_issuer == root_subject:
        print "fetched chain has an appended root cert"
        sys.exit(0)
    else:
        print "fetched chain has an extra entry"
        sys.exit(1)

print "certchains are different"
sys.exit(1)