/
test_wamp_auth.py
238 lines (207 loc) · 9.63 KB
/
test_wamp_auth.py
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
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
###############################################################################
#
# The MIT License (MIT)
#
# Copyright (c) Crossbar.io Technologies GmbH
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
import unittest
from unittest.mock import Mock
import platform
import re
import json
import binascii
from autobahn.wamp import auth
from autobahn.wamp import types
# these test vectors are all for HMAC-SHA1
PBKDF2_TEST_VECTORS = [
# From RFC 6070
(b'password', b'salt', 1, 20, '0c60c80f961f0e71f3a9b524af6012062fe037a6'),
(b'password', b'salt', 2, 20, 'ea6c014dc72d6f8ccd1ed92ace1d41f0d8de8957'),
# From Crypt-PBKDF2
(b'password', b'ATHENA.MIT.EDUraeburn', 1, 16, 'cdedb5281bb2f801565a1122b2563515'),
(b'password', b'ATHENA.MIT.EDUraeburn', 1, 32, 'cdedb5281bb2f801565a1122b25635150ad1f7a04bb9f3a333ecc0e2e1f70837'),
(b'password', b'ATHENA.MIT.EDUraeburn', 2, 16, '01dbee7f4a9e243e988b62c73cda935d'),
(b'password', b'ATHENA.MIT.EDUraeburn', 2, 32, '01dbee7f4a9e243e988b62c73cda935da05378b93244ec8f48a99e61ad799d86'),
(b'password', b'ATHENA.MIT.EDUraeburn', 1200, 32, '5c08eb61fdf71e4e4ec3cf6ba1f5512ba7e52ddbc5e5142f708a31e2e62b1e13'),
(b'X' * 64, b'pass phrase equals block size', 1200, 32, '139c30c0966bc32ba55fdbf212530ac9c5ec59f1a452f5cc9ad940fea0598ed1'),
(b'X' * 65, b'pass phrase exceeds block size', 1200, 32, '9ccad6d468770cd51b10e6a68721be611a8b4d282601db3b36be9246915ec82a'),
]
if platform.python_implementation() != 'PyPy':
# the following fails on PyPy: "RuntimeError: maximum recursion depth exceeded"
PBKDF2_TEST_VECTORS.extend(
[
# From RFC 6070
(b'password', b'salt', 4096, 20, '4b007901b765489abead49d926f721d065a429c1'),
(b'passwordPASSWORDpassword', b'saltSALTsaltSALTsaltSALTsaltSALTsalt', 4096, 25, '3d2eec4fe41c849b80c8d83662c0e44a8b291a964cf2f07038'),
(b'pass\x00word', b'sa\x00lt', 4096, 16, '56fa6aa75548099dcc37d7f03425e0c3'),
# This one is from the RFC but it just takes for ages
# (b'password', b'salt', 16777216, 20, 'eefe3d61cd4da4e4e9945b3d6ba2158c2634e984'),
]
)
class TestWampAuthHelpers(unittest.TestCase):
def test_pbkdf2(self):
for tv in PBKDF2_TEST_VECTORS:
result = auth.pbkdf2(tv[0], tv[1], tv[2], tv[3], 'sha1')
self.assertEqual(type(result), bytes)
self.assertEqual(binascii.hexlify(result).decode('ascii'), tv[4])
def test_generate_totp_secret_default(self):
secret = auth.generate_totp_secret()
self.assertEqual(type(secret), str)
self.assertEqual(len(secret), 10 * 8 / 5)
def test_generate_totp_secret_length(self):
for length in [5, 10, 20, 30, 40, 50]:
secret = auth.generate_totp_secret(length)
self.assertEqual(type(secret), str)
self.assertEqual(len(secret), length * 8 / 5)
def test_compute_totp(self):
pat = re.compile(r"\d\d\d\d\d\d")
secret = "MFRGGZDFMZTWQ2LK"
signature = auth.compute_totp(secret)
self.assertEqual(type(signature), str)
self.assertTrue(pat.match(signature) is not None)
def test_compute_totp_offset(self):
pat = re.compile(r"\d\d\d\d\d\d")
secret = "MFRGGZDFMZTWQ2LK"
for offset in range(-10, 10):
signature = auth.compute_totp(secret, offset)
self.assertEqual(type(signature), str)
self.assertTrue(pat.match(signature) is not None)
def test_derive_key(self):
secret = 'L3L1YUE8Txlw'
salt = 'salt123'
key = auth.derive_key(secret.encode('utf8'), salt.encode('utf8'))
self.assertEqual(type(key), bytes)
self.assertEqual(key, b"qzcdsr9uu/L5hnss3kjNTRe490ETgA70ZBaB5rvnJ5Y=")
def test_generate_wcs_default(self):
secret = auth.generate_wcs()
self.assertEqual(type(secret), bytes)
self.assertEqual(len(secret), 14)
def test_generate_wcs_length(self):
for length in [5, 10, 20, 30, 40, 50]:
secret = auth.generate_wcs(length)
self.assertEqual(type(secret), bytes)
self.assertEqual(len(secret), length)
def test_compute_wcs(self):
secret = 'L3L1YUE8Txlw'
challenge = json.dumps([1, 2, 3], ensure_ascii=False).encode('utf8')
signature = auth.compute_wcs(secret.encode('utf8'), challenge)
self.assertEqual(type(signature), bytes)
self.assertEqual(signature, b"1njQtmmeYO41N5EWEzD2kAjjEKRZ5kPZt/TzpYXOzR0=")
@unittest.skipIf(not auth.HAS_ARGON, 'no Argon2 library')
class TestScram(unittest.TestCase):
def test_argon2id_static(self):
# re-generate from the official argon2 tools:
# echo -n "p4ssw0rd" | argon2 '1234567890abcdef' -id -t 32 -m 9 -p 1 -l 32
expected = binascii.unhexlify('ee4a8acf9d5958354fb79a95ae20692d05e42591ba49fae85eb6700e8b0ed293')
raw_hash = auth._hash_argon2id13_secret(
b'p4ssw0rd',
binascii.b2a_base64(b'1234567890abcdef'), # ours takes base64-encoded salt
32, # this is WAY TOO SMALL; for production, use 4096 or higher
512, # note that the argon2 utility takes a "power of 2", so "-m 9" above == 512
)
decoded_hash = binascii.a2b_base64(raw_hash + b'==\n')
self.assertEqual(expected, decoded_hash)
def test_pbkdf2_static(self):
expected = binascii.unhexlify('f6991a28c75f43751e0d75499fd7b8649f659118ddc1d61cee5883af547d15f5')
# 8 iterations is WAY TOO FEW for production; this is a test
raw_hash = auth._hash_pbkdf2_secret(b'p4ssw0rd', b'1234567890abcdef', 8)
self.assertEqual(raw_hash, expected)
def test_basic(self):
scram = auth.AuthScram(
nonce='1234567890abcdef',
kdf='argon2id13',
salt=binascii.b2a_hex(b'1234567890abcdef').decode('ascii'),
iterations=32, # far too few; use 4096 or more for production
memory=512,
password='p4ssw0rd',
authid='username',
)
# thought: if we could import crossbar code here, we could
# test the "other side" of this with fewer mocks
# (i.e. hard-coding the client nonce)
scram._client_nonce = binascii.b2a_hex(b'1234567890abcdef').decode('ascii')
self.assertEqual(
{'nonce': '31323334353637383930616263646566'},
scram.authextra,
)
challenge = types.Challenge('scram', {
'nonce': '1234567890abcdeffedcba0987654321',
'kdf': 'argon2id-13',
'salt': binascii.b2a_hex(b'1234567890abcdef').decode('ascii'),
'iterations': 32,
'memory': 512,
})
reply = scram.on_challenge(Mock(), challenge)
self.assertEqual(
b'f5r3loERzGVSuimE+lvO0bWna2zyswBo0HrZkaaEy38=',
reply,
)
authextra = dict(
scram_server_signature=b'f5r3loERzGVSuimE+lvO0bWna2zyswBo0HrZkaaEy38=',
)
scram.on_welcome(Mock(), authextra)
def test_no_memory_arg(self):
scram = auth.AuthScram(
nonce='1234567890abcdef',
kdf='argon2id13',
salt=binascii.b2a_hex(b'1234567890abcdef').decode('ascii'),
iterations=4096,
memory=512,
password='p4ssw0rd',
authid='username',
)
scram.authextra
with self.assertRaises(ValueError) as ctx:
challenge = types.Challenge('scram', {
'nonce': '1234567890abcdeffedcba0987654321',
'kdf': 'argon2id-13',
'salt': binascii.b2a_hex(b'1234567890abcdef'),
'iterations': 4096,
# no 'memory' key
})
scram.on_challenge(Mock(), challenge)
self.assertIn(
"requires 'memory' parameter",
str(ctx.exception)
)
def test_unknown_arg(self):
scram = auth.AuthScram(
nonce='1234567890abcdef',
kdf='argon2id13',
salt=binascii.b2a_hex(b'1234567890abcdef'),
iterations=4096,
memory=512,
password='p4ssw0rd',
authid='username',
)
scram.authextra
with self.assertRaises(RuntimeError) as ctx:
challenge = types.Challenge('scram', {
'nonce': '1234567890abcdeffedcba0987654321',
'kdf': 'argon2id-13',
'salt': binascii.b2a_hex(b'1234567890abcdef'),
'iterations': 4096,
'memory': 512,
'an_invalid_key': None
})
scram.on_challenge(Mock(), challenge)
self.assertIn("an_invalid_key", str(ctx.exception))