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
|
# Copyright 2017 Canonical Ltd.
# Licensed under the LGPLv3, see LICENCE file for details.
import base64
from unittest import TestCase
import macaroonbakery.bakery as bakery
import macaroonbakery.checkers as checkers
import nacl.public
import six
from macaroonbakery.bakery import _codec as codec
class TestCodec(TestCase):
def setUp(self):
self.fp_key = bakery.generate_key()
self.tp_key = bakery.generate_key()
def test_v1_round_trip(self):
tp_info = bakery.ThirdPartyInfo(
version=bakery.VERSION_1,
public_key=self.tp_key.public_key)
cid = bakery.encode_caveat(
'is-authenticated-user',
b'a random string',
tp_info,
self.fp_key,
None)
res = bakery.decode_caveat(self.tp_key, cid)
self.assertEquals(res, bakery.ThirdPartyCaveatInfo(
first_party_public_key=self.fp_key.public_key,
root_key=b'a random string',
condition='is-authenticated-user',
caveat=cid,
third_party_key_pair=self.tp_key,
version=bakery.VERSION_1,
id=None,
namespace=bakery.legacy_namespace()
))
def test_v2_round_trip(self):
tp_info = bakery.ThirdPartyInfo(
version=bakery.VERSION_2,
public_key=self.tp_key.public_key)
cid = bakery.encode_caveat(
'is-authenticated-user',
b'a random string',
tp_info,
self.fp_key,
None)
res = bakery.decode_caveat(self.tp_key, cid)
self.assertEquals(res, bakery.ThirdPartyCaveatInfo(
first_party_public_key=self.fp_key.public_key,
root_key=b'a random string',
condition='is-authenticated-user',
caveat=cid,
third_party_key_pair=self.tp_key,
version=bakery.VERSION_2,
id=None,
namespace=bakery.legacy_namespace()
))
def test_v3_round_trip(self):
tp_info = bakery.ThirdPartyInfo(
version=bakery.VERSION_3,
public_key=self.tp_key.public_key)
ns = checkers.Namespace()
ns.register('testns', 'x')
cid = bakery.encode_caveat(
'is-authenticated-user',
b'a random string',
tp_info,
self.fp_key,
ns)
res = bakery.decode_caveat(self.tp_key, cid)
self.assertEquals(res, bakery.ThirdPartyCaveatInfo(
first_party_public_key=self.fp_key.public_key,
root_key=b'a random string',
condition='is-authenticated-user',
caveat=cid,
third_party_key_pair=self.tp_key,
version=bakery.VERSION_3,
id=None,
namespace=ns
))
def test_empty_caveat_id(self):
with self.assertRaises(bakery.VerificationError) as context:
bakery.decode_caveat(self.tp_key, b'')
self.assertTrue('empty third party caveat' in str(context.exception))
def test_decode_caveat_v1_from_go(self):
tp_key = bakery.PrivateKey(
nacl.public.PrivateKey(base64.b64decode(
'TSpvLpQkRj+T3JXnsW2n43n5zP/0X4zn0RvDiWC3IJ0=')))
fp_key = bakery.PrivateKey(
nacl.public.PrivateKey(base64.b64decode(
'KXpsoJ9ujZYi/O2Cca6kaWh65MSawzy79LWkrjOfzcs=')))
root_key = base64.b64decode('vDxEmWZEkgiNEFlJ+8ruXe3qDSLf1H+o')
# This caveat has been generated from the go code
# to check the compatibilty
encrypted_cav = six.b(
'eyJUaGlyZFBhcnR5UHVibGljS2V5IjoiOFA3R1ZZc3BlWlN4c'
'3hFdmJsSVFFSTFqdTBTSWl0WlIrRFdhWE40cmxocz0iLCJGaX'
'JzdFBhcnR5UHVibGljS2V5IjoiSDlqSFJqSUxidXppa1VKd2o'
'5VGtDWk9qeW5oVmtTdHVsaUFRT2d6Y0NoZz0iLCJOb25jZSI6'
'Ii9lWTRTTWR6TGFxbDlsRFc3bHUyZTZuSzJnVG9veVl0IiwiS'
'WQiOiJra0ZuOGJEaEt4RUxtUjd0NkJxTU0vdHhMMFVqaEZjR1'
'BORldUUExGdjVla1dWUjA4Uk1sbGJhc3c4VGdFbkhzM0laeVo'
'0V2lEOHhRUWdjU3ljOHY4eUt4dEhxejVEczJOYmh1ZDJhUFdt'
'UTVMcVlNWitmZ2FNaTAxdE9DIn0=')
cav = bakery.decode_caveat(tp_key, encrypted_cav)
self.assertEquals(cav, bakery.ThirdPartyCaveatInfo(
condition='caveat condition',
first_party_public_key=fp_key.public_key,
third_party_key_pair=tp_key,
root_key=root_key,
caveat=encrypted_cav,
version=bakery.VERSION_1,
id=None,
namespace=bakery.legacy_namespace()
))
def test_decode_caveat_v2_from_go(self):
tp_key = bakery.PrivateKey(nacl.public.PrivateKey(
base64.b64decode(
'TSpvLpQkRj+T3JXnsW2n43n5zP/0X4zn0RvDiWC3IJ0=')))
fp_key = bakery.PrivateKey(
nacl.public.PrivateKey(base64.b64decode(
'KXpsoJ9ujZYi/O2Cca6kaWh65MSawzy79LWkrjOfzcs=')))
root_key = base64.b64decode('wh0HSM65wWHOIxoGjgJJOFvQKn2jJFhC')
# This caveat has been generated from the go code
# to check the compatibilty
encrypted_cav = bakery.b64decode(
'AvD-xlUf2MdGMgtu7OKRQnCP1OQJk6PKeFWRK26WIBA6DNwKGIHq9xGcHS9IZ'
'Lh0cL6D9qpeKI0mXmCPfnwRQDuVYC8y5gVWd-oCGZaj5TGtk3byp2Vnw6ojmt'
'sULDhY59YA_J_Y0ATkERO5T9ajoRWBxU2OXBoX6bImXA',
)
cav = bakery.decode_caveat(tp_key, encrypted_cav)
self.assertEqual(cav, bakery.ThirdPartyCaveatInfo(
condition='third party condition',
first_party_public_key=fp_key.public_key,
third_party_key_pair=tp_key,
root_key=root_key,
caveat=encrypted_cav,
version=bakery.VERSION_2,
id=None,
namespace=bakery.legacy_namespace()
))
def test_decode_caveat_v3_from_go(self):
tp_key = bakery.PrivateKey(
nacl.public.PrivateKey(base64.b64decode(
'TSpvLpQkRj+T3JXnsW2n43n5zP/0X4zn0RvDiWC3IJ0=')))
fp_key = bakery.PrivateKey(nacl.public.PrivateKey(
base64.b64decode(
'KXpsoJ9ujZYi/O2Cca6kaWh65MSawzy79LWkrjOfzcs=')))
root_key = base64.b64decode(b'oqOXI3/Mz/pKjCuFOt2eYxb7ndLq66GY')
# This caveat has been generated from the go code
# to check the compatibilty
encrypted_cav = bakery.b64decode(
'A_D-xlUf2MdGMgtu7OKRQnCP1OQJk6PKeFWRK26WIBA6DNwKGNLeFSkD2M-8A'
'EYvmgVH95GWu7T7caKxKhhOQFcEKgnXKJvYXxz1zin4cZc4Q6C7gVqA-J4_j3'
'1LX4VKxymqG62UGPo78wOv0_fKjr3OI6PPJOYOQgBMclemlRF2',
)
cav = bakery.decode_caveat(tp_key, encrypted_cav)
self.assertEquals(cav, bakery.ThirdPartyCaveatInfo(
condition='third party condition',
first_party_public_key=fp_key.public_key,
third_party_key_pair=tp_key,
root_key=root_key,
caveat=encrypted_cav,
version=bakery.VERSION_3,
id=None,
namespace=bakery.legacy_namespace()
))
def test_encode_decode_varint(self):
tests = [
(12, [12]),
(127, [127]),
(128, [128, 1]),
(129, [129, 1]),
(1234567, [135, 173, 75]),
(12131231231312, [208, 218, 233, 173, 136, 225, 2])
]
for test in tests:
data = bytearray()
expected = bytearray()
bakery.encode_uvarint(test[0], data)
for v in test[1]:
expected.append(v)
self.assertEquals(data, expected)
val = codec.decode_uvarint(bytes(data))
self.assertEquals(test[0], val[0])
self.assertEquals(len(test[1]), val[1])
|
