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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2014, NORDUnet A/S.
# See LICENSE for licensing information.
import urllib2
import urllib
import json
import base64
import sys
import struct
import hashlib
import itertools
from certtools import *
baseurl = "https://127.0.0.1:8080/"
certfiles = ["testcerts/cert1.txt", "testcerts/cert2.txt",
"testcerts/cert3.txt", "testcerts/cert4.txt",
"testcerts/cert5.txt"]
cc1 = get_certs_from_file(certfiles[0])
cc2 = get_certs_from_file(certfiles[1])
cc3 = get_certs_from_file(certfiles[2])
cc4 = get_certs_from_file(certfiles[3])
cc5 = get_certs_from_file(certfiles[4])
failures = 0
indentation = ""
def testgroup(name):
global indentation
print name + ":"
indentation = " "
def print_error(message, *args):
global failures, indentation
print indentation + "ERROR:", message % args
failures += 1
def print_success(message, *args):
print indentation + message % args
def assert_equal(actual, expected, name, quiet=False, nodata=False):
global failures
if actual != expected:
if nodata:
print_error("%s differs", name)
else:
print_error("%s expected %s got %s", name, expected, actual)
elif not quiet:
print_success("%s was correct", name)
def print_and_check_tree_size(expected):
global failures
sth = get_sth(baseurl)
try:
check_sth_signature(baseurl, sth)
except AssertionError, e:
print_error("%s", e)
except ecdsa.keys.BadSignatureError, e:
print_error("bad STH signature")
tree_size = sth["tree_size"]
assert_equal(tree_size, expected, "tree size")
def do_add_chain(chain):
global failures
try:
result = add_chain(baseurl, {"chain":map(base64.b64encode, chain)})
except ValueError, e:
print_error("%s", e)
try:
check_sct_signature(baseurl, chain[0], result)
except AssertionError, e:
print_error("%s", e)
except ecdsa.keys.BadSignatureError, e:
print_error("bad SCT signature")
print_success("signature check succeeded")
return result
def get_and_validate_proof(timestamp, chain, leaf_index, nentries):
cert = chain[0]
merkle_tree_leaf = pack_mtl(timestamp, cert)
leaf_hash = get_leaf_hash(merkle_tree_leaf)
sth = get_sth(baseurl)
proof = get_proof_by_hash(baseurl, leaf_hash, sth["tree_size"])
assert_equal(proof["leaf_index"], leaf_index, "leaf_index")
assert_equal(len(proof["audit_path"]), nentries, "audit_path length")
get_and_check_entry(timestamp, chain, leaf_index)
def get_and_check_entry(timestamp, chain, leaf_index):
entries = get_entries(baseurl, leaf_index, leaf_index)
assert_equal(len(entries), 1, "get_entries", quiet=True)
fetched_entry = entries["entries"][0]
merkle_tree_leaf = pack_mtl(timestamp, chain[0])
leaf_input = base64.decodestring(fetched_entry["leaf_input"])
assert_equal(leaf_input, merkle_tree_leaf, "entry", nodata=True)
extra_data = base64.decodestring(fetched_entry["extra_data"])
certchain = decode_certificate_chain(extra_data)
submittedcertchain = chain[1:]
for (submittedcert, fetchedcert, i) in zip(submittedcertchain,
certchain, itertools.count(1)):
assert_equal(fetchedcert, submittedcert, "cert %d in chain" % (i,))
if len(certchain) == len(submittedcertchain) + 1:
last_issuer = get_cert_info(submittedcertchain[-1])["issuer"]
root_subject = get_cert_info(certchain[-1])["subject"]
if last_issuer == root_subject:
print_success("fetched chain has an appended root cert")
else:
print_error("fetched chain has an extra entry")
failures += 1
elif len(certchain) == len(submittedcertchain):
print_success("cert chains are the same length")
else:
print_error("cert chain length %d expected %d or %d",
len(certchain),
len(submittedcertchain),
len(submittedcertchain))
print_and_check_tree_size(0)
mergeresult = subprocess.call(["./merge.py"])
assert_equal(mergeresult, 0, "merge", quiet=True)
testgroup("cert1")
result1 = do_add_chain(cc1)
mergeresult = subprocess.call(["./merge.py"])
assert_equal(mergeresult, 0, "merge", quiet=True)
print_and_check_tree_size(1)
result2 = do_add_chain(cc1)
assert_equal(result2["timestamp"], result1["timestamp"], "timestamp")
mergeresult = subprocess.call(["./merge.py"])
assert_equal(mergeresult, 0, "merge", quiet=True)
print_and_check_tree_size(1)
# TODO: add invalid cert and check that it generates an error
# and that treesize still is 1
get_and_validate_proof(result1["timestamp"], cc1, 0, 0)
testgroup("cert2")
result3 = do_add_chain(cc2)
mergeresult = subprocess.call(["./merge.py"])
assert_equal(mergeresult, 0, "merge", quiet=True)
print_and_check_tree_size(2)
get_and_validate_proof(result1["timestamp"], cc1, 0, 1)
get_and_validate_proof(result3["timestamp"], cc2, 1, 1)
testgroup("cert3")
result4 = do_add_chain(cc3)
mergeresult = subprocess.call(["./merge.py"])
assert_equal(mergeresult, 0, "merge", quiet=True)
print_and_check_tree_size(3)
get_and_validate_proof(result1["timestamp"], cc1, 0, 2)
get_and_validate_proof(result3["timestamp"], cc2, 1, 2)
get_and_validate_proof(result4["timestamp"], cc3, 2, 1)
testgroup("cert4")
result5 = do_add_chain(cc4)
mergeresult = subprocess.call(["./merge.py"])
assert_equal(mergeresult, 0, "merge", quiet=True)
print_and_check_tree_size(4)
get_and_validate_proof(result1["timestamp"], cc1, 0, 2)
get_and_validate_proof(result3["timestamp"], cc2, 1, 2)
get_and_validate_proof(result4["timestamp"], cc3, 2, 2)
get_and_validate_proof(result5["timestamp"], cc4, 3, 2)
testgroup("cert5")
result6 = do_add_chain(cc5)
mergeresult = subprocess.call(["./merge.py"])
assert_equal(mergeresult, 0, "merge", quiet=True)
print_and_check_tree_size(5)
get_and_validate_proof(result1["timestamp"], cc1, 0, 3)
get_and_validate_proof(result3["timestamp"], cc2, 1, 3)
get_and_validate_proof(result4["timestamp"], cc3, 2, 3)
get_and_validate_proof(result5["timestamp"], cc4, 3, 3)
get_and_validate_proof(result6["timestamp"], cc5, 4, 1)
print "-------"
if failures:
print failures, "failed tests" if failures != 1 else "failed test"
sys.exit(1)
else:
print "all tests succeeded"
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