1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
# -*- coding: utf-8 -*-
# Copyright 2014 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import unittest
from unpaddedbase64 import encode_base64
from signedjson.sign import (
SignatureVerifyException,
sign_json,
signature_ids,
verify_signed_json,
)
class JsonSignTestCase(unittest.TestCase):
def setUp(self):
self.message = {"foo": "bar", "unsigned": {}}
self.sigkey = MockSigningKey()
self.assertEqual(self.sigkey.alg, "mock")
self.signed = sign_json(self.message, "Alice", self.sigkey)
self.verkey = MockVerifyKey()
def test_sign_and_verify(self):
self.assertIn("signatures", self.signed)
self.assertIn("Alice", self.signed["signatures"])
self.assertIn("mock:test", self.signed["signatures"]["Alice"])
self.assertEqual(
self.signed["signatures"]["Alice"]["mock:test"], encode_base64(b"x_______")
)
self.assertEqual(self.sigkey.signed_bytes, b'{"foo":"bar"}')
verify_signed_json(self.signed, "Alice", self.verkey)
def test_signature_ids(self):
key_ids = signature_ids(self.signed, "Alice", supported_algorithms=["mock"])
self.assertListEqual(key_ids, ["mock:test"])
def test_verify_fail(self):
self.signed["signatures"]["Alice"]["mock:test"] = encode_base64(
b"not a signature"
)
with self.assertRaises(SignatureVerifyException):
verify_signed_json(self.signed, "Alice", self.verkey)
def test_verify_fail_no_signatures(self):
with self.assertRaises(SignatureVerifyException):
verify_signed_json({}, "Alice", self.verkey)
def test_verify_fail_no_signature_for_alice(self):
with self.assertRaises(SignatureVerifyException):
verify_signed_json({"signatures": {}}, "Alice", self.verkey)
def test_verify_fail_not_base64(self):
invalid = {"signatures": {"Alice": {"mock:test": "not base64"}}}
with self.assertRaises(SignatureVerifyException):
verify_signed_json(invalid, "Alice", self.verkey)
class MockSigningKey(object):
alg = "mock"
version = "test"
def sign(self, signed_bytes):
self.signed_bytes = signed_bytes
return MockSignature()
class MockVerifyKey(object):
alg = "mock"
version = "test"
def verify(self, message, sig):
if not sig == b"x_______":
raise Exception()
class MockSignature(object):
def __init__(self):
self.signature = b"x_______"
|
