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
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
"""Tests for josepy.jws."""
import base64
import sys
import unittest
from unittest import mock
import pytest
import test_util
from cryptography import x509
from cryptography.hazmat.primitives.serialization import Encoding
from josepy import errors, json_util, jwa, jwk
CERT = test_util.load_cert("cert.pem")
KEY = jwk.JWKRSA.load(test_util.load_vector("rsa512_key.pem"))
class MediaTypeTest(unittest.TestCase):
"""Tests for josepy.jws.MediaType."""
def test_decode(self) -> None:
from josepy.jws import MediaType
assert "application/app" == MediaType.decode("application/app")
assert "application/app" == MediaType.decode("app")
with pytest.raises(errors.DeserializationError):
MediaType.decode("app;foo")
def test_encode(self) -> None:
from josepy.jws import MediaType
assert "app" == MediaType.encode("application/app")
assert "application/app;foo" == MediaType.encode("application/app;foo")
class HeaderTest(unittest.TestCase):
"""Tests for josepy.jws.Header."""
def setUp(self) -> None:
from josepy.jws import Header
self.header1 = Header(jwk="foo")
self.header2 = Header(jwk="bar")
self.crit = Header(crit=("a", "b"))
self.empty = Header()
def test_add_non_empty(self) -> None:
from josepy.jws import Header
assert Header(jwk="foo", crit=("a", "b")) == self.header1 + self.crit
def test_add_empty(self) -> None:
assert self.header1 == self.header1 + self.empty
assert self.header1 == self.empty + self.header1
def test_add_overlapping_error(self) -> None:
with pytest.raises(TypeError):
self.header1.__add__(self.header2)
def test_add_wrong_type_error(self) -> None:
with pytest.raises(TypeError):
self.header1.__add__("xxx")
def test_crit_decode_always_errors(self) -> None:
from josepy.jws import Header
with pytest.raises(errors.DeserializationError):
Header.from_json({"crit": ["a", "b"]})
def test_x5c_decoding(self) -> None:
from josepy.jws import Header
header = Header(x5c=(CERT, CERT))
jobj = header.to_partial_json()
assert isinstance(CERT, x509.Certificate)
cert_asn1 = CERT.public_bytes(Encoding.DER)
cert_b64 = base64.b64encode(cert_asn1)
assert jobj == {"x5c": [cert_b64, cert_b64]}
assert header == Header.from_json(jobj)
jobj["x5c"][0] = base64.b64encode(b"xxx" + cert_asn1)
with pytest.raises(errors.DeserializationError):
Header.from_json(jobj)
def test_find_key(self) -> None:
assert "foo" == self.header1.find_key()
assert "bar" == self.header2.find_key()
with pytest.raises(errors.Error):
self.crit.find_key()
class SignatureTest(unittest.TestCase):
"""Tests for josepy.jws.Signature."""
def test_from_json(self) -> None:
from josepy.jws import Header, Signature
assert Signature(signature=b"foo", header=Header(alg=jwa.RS256)) == Signature.from_json(
{"signature": "Zm9v", "header": {"alg": "RS256"}}
)
def test_from_json_no_alg_error(self) -> None:
from josepy.jws import Signature
with pytest.raises(errors.DeserializationError):
Signature.from_json({"signature": "foo"})
class JWSTest(unittest.TestCase):
"""Tests for josepy.jws.JWS."""
def setUp(self) -> None:
self.privkey = KEY
self.pubkey = self.privkey.public_key()
from josepy.jws import JWS
self.unprotected = JWS.sign(payload=b"foo", key=self.privkey, alg=jwa.RS256)
self.protected = JWS.sign(
payload=b"foo", key=self.privkey, alg=jwa.RS256, protect=frozenset(["jwk", "alg"])
)
self.mixed = JWS.sign(
payload=b"foo", key=self.privkey, alg=jwa.RS256, protect=frozenset(["alg"])
)
def test_pubkey_jwk(self) -> None:
assert self.unprotected.signature.combined.jwk == self.pubkey
assert self.protected.signature.combined.jwk == self.pubkey
assert self.mixed.signature.combined.jwk == self.pubkey
def test_sign_unprotected(self) -> None:
assert self.unprotected.verify() is True
def test_sign_protected(self) -> None:
assert self.protected.verify() is True
def test_sign_mixed(self) -> None:
assert self.mixed.verify() is True
def test_compact_lost_unprotected(self) -> None:
compact = self.mixed.to_compact()
assert (
b"eyJhbGciOiAiUlMyNTYifQ.Zm9v.OHdxFVj73l5LpxbFp1AmYX4yJM0Pyb"
b"_893n1zQjpim_eLS5J1F61lkvrCrCDErTEJnBGOGesJ72M7b6Ve1cAJA" == compact
)
from josepy.jws import JWS
mixed = JWS.from_compact(compact)
assert self.mixed != mixed
assert {"alg"} == set(mixed.signature.combined.not_omitted())
def test_from_compact_missing_components(self) -> None:
from josepy.jws import JWS
with pytest.raises(errors.DeserializationError):
JWS.from_compact(b".")
def test_json_omitempty(self) -> None:
protected_jobj = self.protected.to_partial_json(flat=True)
unprotected_jobj = self.unprotected.to_partial_json(flat=True)
assert "protected" not in unprotected_jobj
assert "header" not in protected_jobj
unprotected_jobj["header"] = unprotected_jobj["header"].to_json()
from josepy.jws import JWS
assert JWS.from_json(protected_jobj) == self.protected
assert JWS.from_json(unprotected_jobj) == self.unprotected
def test_json_flat(self) -> None:
jobj_to = {
"signature": json_util.encode_b64jose(self.mixed.signature.signature),
"payload": json_util.encode_b64jose(b"foo"),
"header": self.mixed.signature.header,
"protected": json_util.encode_b64jose(self.mixed.signature.protected.encode("utf-8")),
}
from josepy.jws import Header
jobj_from = jobj_to.copy()
header = jobj_from["header"]
assert isinstance(header, Header)
jobj_from["header"] = header.to_json()
assert self.mixed.to_partial_json(flat=True) == jobj_to
from josepy.jws import JWS
assert self.mixed == JWS.from_json(jobj_from)
def test_json_not_flat(self) -> None:
jobj_to = {
"signatures": (self.mixed.signature,),
"payload": json_util.encode_b64jose(b"foo"),
}
jobj_from = jobj_to.copy()
signature = jobj_to["signatures"][0]
from josepy.jws import Signature
assert isinstance(signature, Signature)
jobj_from["signatures"] = [signature.to_json()]
assert self.mixed.to_partial_json(flat=False) == jobj_to
from josepy.jws import JWS
assert self.mixed == JWS.from_json(jobj_from)
def test_from_json_mixed_flat(self) -> None:
from josepy.jws import JWS
with pytest.raises(errors.DeserializationError):
JWS.from_json({"signatures": (), "signature": "foo"})
def test_from_json_hashable(self) -> None:
from josepy.jws import JWS
hash(JWS.from_json(self.mixed.to_json()))
class CLITest(unittest.TestCase):
def setUp(self) -> None:
self.key_path = test_util.vector_path("rsa512_key.pem")
def test_unverified(self) -> None:
from josepy.jws import CLI
with mock.patch("sys.stdin") as sin:
sin.read.return_value = '{"payload": "foo", "signature": "xxx"}'
with mock.patch("sys.stdout"):
assert CLI.run(["verify"]) is False
def test_json(self) -> None:
from josepy.jws import CLI
with mock.patch("sys.stdin") as sin:
sin.read.return_value = "foo"
with mock.patch("sys.stdout") as sout:
CLI.run(["sign", "-k", self.key_path, "-a", "RS256", "-p", "jwk"])
sin.read.return_value = sout.write.mock_calls[0][1][0]
assert 0 == CLI.run(["verify"])
def test_compact(self) -> None:
from josepy.jws import CLI
with mock.patch("sys.stdin") as sin:
sin.read.return_value = "foo"
with mock.patch("sys.stdout") as sout:
CLI.run(["--compact", "sign", "-k", self.key_path])
sin.read.return_value = sout.write.mock_calls[0][1][0]
assert 0 == CLI.run(["--compact", "verify", "--kty", "RSA", "-k", self.key_path])
if __name__ == "__main__":
sys.exit(pytest.main(sys.argv[1:] + [__file__])) # pragma: no cover
|
