File: test_auth.py

package info (click to toggle)
python-httplib2 0.22.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 1,448 kB
  • sloc: python: 6,629; javascript: 3,563; makefile: 56
file content (407 lines) | stat: -rw-r--r-- 16,874 bytes parent folder | download | duplicates (2)
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
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
import time

import httplib2
import pytest
import tests
from six.moves import urllib


def test_credentials():
    c = httplib2.Credentials()
    c.add("joe", "password")
    assert tuple(c.iter("bitworking.org"))[0] == ("joe", "password")
    assert tuple(c.iter(""))[0] == ("joe", "password")
    c.add("fred", "password2", "wellformedweb.org")
    assert tuple(c.iter("bitworking.org"))[0] == ("joe", "password")
    assert len(tuple(c.iter("bitworking.org"))) == 1
    assert len(tuple(c.iter("wellformedweb.org"))) == 2
    assert ("fred", "password2") in tuple(c.iter("wellformedweb.org"))
    c.clear()
    assert len(tuple(c.iter("bitworking.org"))) == 0
    c.add("fred", "password2", "wellformedweb.org")
    assert ("fred", "password2") in tuple(c.iter("wellformedweb.org"))
    assert len(tuple(c.iter("bitworking.org"))) == 0
    assert len(tuple(c.iter(""))) == 0


def test_basic():
    # Test Basic Authentication
    http = httplib2.Http()
    password = tests.gen_password()
    handler = tests.http_reflect_with_auth(allow_scheme="basic", allow_credentials=(("joe", password),))
    with tests.server_request(handler, request_count=3) as uri:
        response, content = http.request(uri, "GET")
        assert response.status == 401
        http.add_credentials("joe", password)
        response, content = http.request(uri, "GET")
        assert response.status == 200


def test_basic_for_domain():
    # Test Basic Authentication
    http = httplib2.Http()
    password = tests.gen_password()
    handler = tests.http_reflect_with_auth(allow_scheme="basic", allow_credentials=(("joe", password),))
    with tests.server_request(handler, request_count=4) as uri:
        response, content = http.request(uri, "GET")
        assert response.status == 401
        http.add_credentials("joe", password, "example.org")
        response, content = http.request(uri, "GET")
        assert response.status == 401
        domain = urllib.parse.urlparse(uri)[1]
        http.add_credentials("joe", password, domain)
        response, content = http.request(uri, "GET")
        assert response.status == 200


def test_basic_two_credentials():
    # Test Basic Authentication with multiple sets of credentials
    http = httplib2.Http()
    password1 = tests.gen_password()
    password2 = tests.gen_password()
    allowed = [("joe", password1)]  # exploit shared mutable list
    handler = tests.http_reflect_with_auth(allow_scheme="basic", allow_credentials=allowed)
    with tests.server_request(handler, request_count=7) as uri:
        http.add_credentials("fred", password2)
        response, content = http.request(uri, "GET")
        assert response.status == 401
        http.add_credentials("joe", password1)
        response, content = http.request(uri, "GET")
        assert response.status == 200
        allowed[0] = ("fred", password2)
        response, content = http.request(uri, "GET")
        assert response.status == 200


def test_digest():
    # Test that we support Digest Authentication
    http = httplib2.Http()
    password = tests.gen_password()
    handler = tests.http_reflect_with_auth(allow_scheme="digest", allow_credentials=(("joe", password),))
    with tests.server_request(handler, request_count=3) as uri:
        response, content = http.request(uri, "GET")
        assert response.status == 401
        http.add_credentials("joe", password)
        response, content = http.request(uri, "GET")
        assert response.status == 200, content.decode()


def test_digest_next_nonce_nc():
    # Test that if the server sets nextnonce that we reset
    # the nonce count back to 1
    http = httplib2.Http()
    password = tests.gen_password()
    grenew_nonce = [None]
    handler = tests.http_reflect_with_auth(
        allow_scheme="digest", allow_credentials=(("joe", password),), out_renew_nonce=grenew_nonce,
    )
    with tests.server_request(handler, request_count=5) as uri:
        http.add_credentials("joe", password)
        response1, _ = http.request(uri, "GET")
        info = httplib2.auth._parse_authentication_info(response1)
        print("debug: response1 authentication-info: {}\nparsed: {}".format(response1.get("authentication-info"), info))
        assert response1.status == 200
        assert info.get("nc") == "00000001", info
        assert not info.get("digest", {}).get("nextnonce"), info
        response2, _ = http.request(uri, "GET")
        info2 = httplib2.auth._parse_authentication_info(response2)
        assert info2.get("nc") == "00000002", info2
        grenew_nonce[0]()
        response3, content = http.request(uri, "GET")
        info3 = httplib2.auth._parse_authentication_info(response3)
        assert response3.status == 200
        assert info3.get("nc") == "00000001", info3


def test_digest_auth_stale():
    # Test that we can handle a nonce becoming stale
    http = httplib2.Http()
    password = tests.gen_password()
    grenew_nonce = [None]
    requests = []
    handler = tests.http_reflect_with_auth(
        allow_scheme="digest",
        allow_credentials=(("joe", password),),
        out_renew_nonce=grenew_nonce,
        out_requests=requests,
    )
    with tests.server_request(handler, request_count=4) as uri:
        http.add_credentials("joe", password)
        response, _ = http.request(uri, "GET")
        assert response.status == 200
        info = httplib2.auth._parse_www_authenticate(requests[0][1].headers, "www-authenticate")
        grenew_nonce[0]()
        response, _ = http.request(uri, "GET")
        assert response.status == 200
        assert not response.fromcache
        assert getattr(response, "_stale_digest", False)
        info2 = httplib2.auth._parse_www_authenticate(requests[2][1].headers, "www-authenticate")
        nonce1 = info.get("digest", {}).get("nonce", "")
        nonce2 = info2.get("digest", {}).get("nonce", "")
        assert nonce1 != ""
        assert nonce2 != ""
        assert nonce1 != nonce2, (nonce1, nonce2)


@pytest.mark.parametrize(
    "data",
    (
        ({}, {}),
        ({"www-authenticate": ""}, {}),
        (
            {"www-authenticate": 'Test realm="test realm" , foo=foo ,bar="bar", baz=baz,qux=qux'},
            {"test": {"realm": "test realm", "foo": "foo", "bar": "bar", "baz": "baz", "qux": "qux"}},
        ),
        (
            {"www-authenticate": 'T*!%#st realm=to*!%#en, to*!%#en="quoted string"'},
            {"t*!%#st": {"realm": "to*!%#en", "to*!%#en": "quoted string"}},
        ),
        ({"www-authenticate": 'Test realm="a \\"test\\" realm"'}, {"test": {"realm": 'a "test" realm'}},),
        ({"www-authenticate": 'Basic realm="me"'}, {"basic": {"realm": "me"}}),
        ({"www-authenticate": 'Basic realm="me", algorithm="MD5"'}, {"basic": {"realm": "me", "algorithm": "MD5"}},),
        ({"www-authenticate": 'Basic realm="me", algorithm=MD5'}, {"basic": {"realm": "me", "algorithm": "MD5"}},),
        ({"www-authenticate": 'Basic realm="me",other="fred" '}, {"basic": {"realm": "me", "other": "fred"}},),
        ({"www-authenticate": 'Basic REAlm="me" '}, {"basic": {"realm": "me"}}),
        (
            {"www-authenticate": 'Digest realm="digest1", qop="auth,auth-int", nonce="7102dd2", opaque="e9517f"'},
            {"digest": {"realm": "digest1", "qop": "auth,auth-int", "nonce": "7102dd2", "opaque": "e9517f"}},
        ),
        # comma between schemas (glue for multiple headers with same name)
        (
            {"www-authenticate": 'Digest realm="2-comma-d", qop="auth-int", nonce="c0c8ff1", Basic realm="2-comma-b"'},
            {"digest": {"realm": "2-comma-d", "qop": "auth-int", "nonce": "c0c8ff1"}, "basic": {"realm": "2-comma-b"}},
        ),
        # comma between schemas + WSSE (glue for multiple headers with same name)
        (
            {"www-authenticate": 'Digest realm="com3d", Basic realm="com3b", WSSE realm="com3w", profile="token"'},
            {"digest": {"realm": "com3d"}, "basic": {"realm": "com3b"}, "wsse": {"realm": "com3w", "profile": "token"}},
        ),
        # FIXME
        # multiple syntax figures
        # ({'www-authenticate':
        #     'Digest realm="brig", qop \t=\t"\tauth,auth-int", nonce="(*)&^&$%#",opaque="5ccc"' +
        #     ', Basic REAlm="zoo", WSSE realm="very", profile="UsernameToken"'},
        #  {'digest': {'realm': 'brig', 'qop': 'auth,auth-int', 'nonce': '(*)&^&$%#', 'opaque': '5ccc'},
        #   'basic': {'realm': 'zoo'},
        #   'wsse': {'realm': 'very', 'profile': 'UsernameToken'}}),
        # more quote combos
        (
            {"www-authenticate": 'Digest realm="myrealm", nonce="KBAA=3", algorithm=MD5, qop="auth", stale=true'},
            {"digest": {"realm": "myrealm", "nonce": "KBAA=3", "algorithm": "MD5", "qop": "auth", "stale": "true"}},
        ),
        ({"www-authenticate": "Basic param='single quote'"}, {"basic": {"param": "'single"}}),
    ),
    ids=lambda data: str(data[0]),
)
@pytest.mark.parametrize("strict", (True, False), ids=("strict", "relax"))
def test_parse_www_authenticate_correct(data, strict):
    headers, info = data
    # FIXME: move strict to parse argument
    httplib2.USE_WWW_AUTH_STRICT_PARSING = strict
    try:
        assert httplib2.auth._parse_www_authenticate(headers) == info
    finally:
        httplib2.USE_WWW_AUTH_STRICT_PARSING = 0


@pytest.mark.parametrize(
    "data",
    (({"www-authenticate": 'OAuth "Facebook Platform" "invalid_token" "Invalid OAuth access token."'}, None),),
    ids=lambda data: str(data[0]),
)
def test_parse_www_authenticate_malformed(data):
    # TODO: test (and fix) header value 'barbqwnbm-bb...:asd' leads to dead loop
    headers, info = data
    try:
        result = httplib2.auth._parse_www_authenticate(headers)
    except httplib2.error.MalformedHeader:
        assert info is None, "unexpected MalformedHeader"
    else:
        assert result == info
        assert info is not None, "expected parsing error"


def test_parse_www_authenticate_complexity():
    # TODO just use time.process_time() after python2 support is removed
    process_time = getattr(time, "process_time", time.time)

    def check(size):
        header = {"www-authenticate": 'scheme {0}key=value,{0}quoted="foo=bar"'.format(" \t" * size)}
        tbegin = process_time()
        result = httplib2.auth._parse_www_authenticate(header)
        tend = process_time()
        assert result == {"scheme": {"key": "value", "quoted": "foo=bar"}}
        elapsed_us = round((tend * 1e6) - (tbegin * 1e6), 0)
        return elapsed_us

    n1, n2, repeat = 50, 100, 7
    time1 = min(check(n1) for _ in range(repeat))
    time2 = min(check(n2) for _ in range(repeat))
    speed1 = round(time1 / n1, 1)
    speed2 = round(time2 / n2, 1)
    expect2 = round(speed1 * (float(n2) / n1), 1)
    error = round(speed2 / expect2, 1)
    print("x{}: time={}us speed={} us/op".format(n1, time1, speed1))
    print("x{}: time={}us speed={} us/op expected={} us/op error={}".format(n2, time2, speed2, expect2, error))
    assert error < 2, "_parse_www_authenticate scales too fast"


@tests.skip_benchmark
@pytest.mark.parametrize(
    "data",
    (
        'Basic realm="me", algorithm="MD5"',
        'Digest realm="digest1", qop="auth,auth-int", nonce="7102dd2", opaque="e9517f"',
        'Digest realm="2-comma-d", qop="auth-int", nonce="c0c8ff1", Basic realm="2-comma-b"',
        "Bearer 0b79bab50daca910b000d4f1a2b675d604257e42",
    ),
)
def test_benchmark_parse_www_authenticate(data):
    # TODO just use time.process_time() after python2 support is removed
    process_time = getattr(time, "process_time", time.time)

    def measure(header, loop):
        tbegin = process_time()
        for _ in range(loop):
            httplib2.auth._parse_www_authenticate(header)
        tend = process_time()
        elapsed_us = round((tend * 1e6) - (tbegin * 1e6), 0)
        return elapsed_us

    header = {"www-authenticate": data}
    min_time = 1e6
    repeat = 7

    # timeit.autorange
    loop = 1
    while True:
        elapsed_us = measure(header, loop)
        if elapsed_us >= min_time:
            break
        elif elapsed_us < min_time / 10:
            k = 10.0
        else:
            k = 1.2
        loop = int(loop * k) + 1

    fastest = min(measure(header, loop) for _ in range(repeat))
    speed = int(fastest / loop)
    print("x{} time={}us speed={} us/op".format(loop, fastest, speed))


def test_digest_object():
    credentials = ("joe", "password")
    host = None
    request_uri = "/test/digest/"
    headers = {}
    response = {"www-authenticate": 'Digest realm="myrealm", nonce="KBAA=35", algorithm=MD5, qop="auth"'}
    content = b""

    d = httplib2.DigestAuthentication(credentials, host, request_uri, headers, response, content, None)
    d.request("GET", request_uri, headers, content, cnonce="33033375ec278a46")
    our_request = "authorization: " + headers["authorization"]
    working_request = (
        'authorization: Digest username="joe", realm="myrealm", '
        'nonce="KBAA=35", uri="/test/digest/"' + ', algorithm=MD5, response="de6d4a123b80801d0e94550411b6283f", '
        'qop=auth, nc=00000001, cnonce="33033375ec278a46"'
    )
    assert our_request == working_request


def test_digest_object_with_opaque():
    credentials = ("joe", "password")
    host = None
    request_uri = "/digest/opaque/"
    headers = {}
    response = {
        "www-authenticate": 'Digest realm="myrealm", nonce="30352fd", algorithm=MD5, ' 'qop="auth", opaque="atestopaque"'
    }
    content = ""

    d = httplib2.DigestAuthentication(credentials, host, request_uri, headers, response, content, None)
    d.request("GET", request_uri, headers, content, cnonce="5ec2")
    our_request = "authorization: " + headers["authorization"]
    working_request = (
        'authorization: Digest username="joe", realm="myrealm", '
        'nonce="30352fd", uri="/digest/opaque/", algorithm=MD5'
        + ', response="a1fab43041f8f3789a447f48018bee48", qop=auth, nc=00000001, '
        'cnonce="5ec2", opaque="atestopaque"'
    )
    assert our_request == working_request


def test_digest_object_stale():
    credentials = ("joe", "password")
    host = None
    request_uri = "/digest/stale/"
    headers = {}
    response = httplib2.Response({})
    response["www-authenticate"] = 'Digest realm="myrealm", nonce="bd669f", ' 'algorithm=MD5, qop="auth", stale=true'
    response.status = 401
    content = b""
    d = httplib2.DigestAuthentication(credentials, host, request_uri, headers, response, content, None)
    # Returns true to force a retry
    assert d.response(response, content)


def test_digest_object_auth_info():
    credentials = ("joe", "password")
    host = None
    request_uri = "/digest/nextnonce/"
    headers = {}
    response = httplib2.Response({})
    response["www-authenticate"] = 'Digest realm="myrealm", nonce="barney", ' 'algorithm=MD5, qop="auth", stale=true'
    response["authentication-info"] = 'nextnonce="fred"'
    content = b""
    d = httplib2.DigestAuthentication(credentials, host, request_uri, headers, response, content, None)
    # Returns true to force a retry
    assert not d.response(response, content)
    assert d.challenge["nonce"] == "fred"
    assert d.challenge["nc"] == 1


def test_wsse_algorithm():
    digest = httplib2._wsse_username_token("d36e316282959a9ed4c89851497a717f", "2003-12-15T14:43:07Z", "taadtaadpstcsm")
    expected = "quR/EWLAV4xLf9Zqyw4pDmfV9OY="
    assert expected == digest


def test_wsse_invalid():
    http = httplib2.Http()
    username = "user294"
    password = tests.gen_password()
    grenew_nonce = [None]
    requests = []
    handler = tests.http_reflect_with_auth(
        allow_scheme="wsse",
        allow_credentials=((username, password),),
        out_renew_nonce=grenew_nonce,
        out_requests=requests,
    )
    http.add_credentials(username, "wrong" + password)
    with tests.server_request(handler, request_count=2) as uri:
        response, _ = http.request(uri)
        assert requests[0][1].status == 401
        assert requests[1][0].headers["authorization"] == 'WSSE profile="UsernameToken"'
        assert requests[1][1].status == 401
        assert response.status == 401


def test_wsse_ok():
    http = httplib2.Http()
    username = "user314"
    password = tests.gen_password()
    grenew_nonce = [None]
    requests = []
    handler = tests.http_reflect_with_auth(
        allow_scheme="wsse",
        allow_credentials=((username, password),),
        out_renew_nonce=grenew_nonce,
        out_requests=requests,
    )
    http.add_credentials(username, password)
    with tests.server_request(handler, request_count=2) as uri:
        response, _ = http.request(uri)
        assert requests[0][1].status == 401
        assert requests[1][0].headers["authorization"] == 'WSSE profile="UsernameToken"'
        assert response.status == 200