-
Notifications
You must be signed in to change notification settings - Fork 29
/
tests.py
293 lines (231 loc) · 9.14 KB
/
tests.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
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
# Copyright 2014 Google Inc. All rights reserved.
#
# 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.
from twisted.trial import unittest
from txws import (is_hybi00, complete_hybi00, make_hybi00_frame,
parse_hybi00_frames, http_headers, make_accept, mask, CLOSE,
NORMAL, PING, PONG, parse_hybi07_frames)
class TestHTTPHeaders(unittest.TestCase):
def test_single_header(self):
raw = "Connection: Upgrade"
headers = http_headers(raw)
self.assertTrue("Connection" in headers)
self.assertEqual(headers["Connection"], "Upgrade")
def test_single_header_newline(self):
raw = "Connection: Upgrade\r\n"
headers = http_headers(raw)
self.assertEqual(headers["Connection"], "Upgrade")
def test_multiple_headers(self):
raw = "Connection: Upgrade\r\nUpgrade: WebSocket"
headers = http_headers(raw)
self.assertEqual(headers["Connection"], "Upgrade")
self.assertEqual(headers["Upgrade"], "WebSocket")
def test_origin_colon(self):
"""
Some headers have multiple colons in them.
"""
raw = "Origin: http://example.com:8080"
headers = http_headers(raw)
self.assertEqual(headers["Origin"], "http://example.com:8080")
class TestKeys(unittest.TestCase):
def test_make_accept_rfc(self):
"""
Test ``make_accept()`` using the keys listed in the RFC for HyBi-07
through HyBi-10.
"""
key = "dGhlIHNhbXBsZSBub25jZQ=="
self.assertEqual(make_accept(key), "s3pPLMBiTxaQ9kYGzzhZRbK+xOo=")
def test_make_accept_wikipedia(self):
"""
Test ``make_accept()`` using the keys listed on Wikipedia.
"""
key = "x3JJHMbDL1EzLkh9GBhXDw=="
self.assertEqual(make_accept(key), "HSmrc0sMlYUkAGmm5OPpG2HaGWk=")
class TestHyBi00(unittest.TestCase):
def test_is_hybi00(self):
headers = {
"Sec-WebSocket-Key1": "hurp",
"Sec-WebSocket-Key2": "derp",
}
self.assertTrue(is_hybi00(headers))
def test_is_hybi00_false(self):
headers = {
"Sec-WebSocket-Key1": "hurp",
}
self.assertFalse(is_hybi00(headers))
def test_complete_hybi00_wikipedia(self):
"""
Test complete_hybi00() using the keys listed on Wikipedia's WebSockets
page.
"""
headers = {
"Sec-WebSocket-Key1": "4 @1 46546xW%0l 1 5",
"Sec-WebSocket-Key2": "12998 5 Y3 1 .P00",
}
challenge = "^n:ds[4U"
self.assertEqual(complete_hybi00(headers, challenge),
b"8jKS'y:G*Co,Wxa-")
def test_make_hybi00(self):
"""
HyBi-00 frames are really, *really* simple.
"""
self.assertEqual(make_hybi00_frame("Test!"), b"\x00Test!\xff")
def test_parse_hybi00_single(self):
frame = b"\x00Test\xff"
frames, buf = parse_hybi00_frames(frame)
self.assertEqual(len(frames), 1)
self.assertEqual(frames[0], (NORMAL, b"Test"))
self.assertEqual(buf, b"")
def test_parse_hybi00_multiple(self):
frame = b"\x00Test\xff\x00Again\xff"
frames, buf = parse_hybi00_frames(frame)
self.assertEqual(len(frames), 2)
self.assertEqual(frames[0], (NORMAL, b"Test"))
self.assertEqual(frames[1], (NORMAL, b"Again"))
self.assertEqual(buf, b"")
def test_parse_hybi00_incomplete(self):
frame = b"\x00Test"
frames, buf = parse_hybi00_frames(frame)
self.assertEqual(len(frames), 0)
self.assertEqual(buf, b"\x00Test")
def test_parse_hybi00_garbage(self):
frame = b"trash\x00Test\xff"
frames, buf = parse_hybi00_frames(frame)
self.assertEqual(len(frames), 1)
self.assertEqual(frames[0], (NORMAL, b"Test"))
self.assertEqual(buf, b"")
def test_socketio_crashers(self):
"""
A series of snippets which crash other WebSockets implementations
(specifically, Socket.IO) are harmless to this implementation.
"""
frames = [
"""[{"length":1}]""",
"""{"messages":[{"length":1}]}""",
"hello",
"hello<script>alert(/xss/)</script>",
"hello<img src=x:x onerror=alert(/xss.2/)>",
"{",
"~m~EVJLFDJP~",
]
for frame in frames:
prepared = make_hybi00_frame(frame)
frames, buf = parse_hybi00_frames(prepared)
self.assertEqual(len(frames), 1)
self.assertEqual(frames[0], (NORMAL, frame.encode('utf-8')))
self.assertEqual(buf, b"")
class TestHyBi07Helpers(unittest.TestCase):
"""
HyBi-07 is best understood as a large family of helper functions which
work together, somewhat dysfunctionally, to produce a mediocre
Thanksgiving every other year.
"""
def test_mask_noop(self):
key = b"\x00\x00\x00\x00"
self.assertEqual(mask(b"Test", key), b"Test")
def test_mask_noop_long(self):
key = b"\x00\x00\x00\x00"
self.assertEqual(mask(b"LongTest", key), b"LongTest")
def test_parse_hybi07_unmasked_text(self):
"""
From HyBi-10, 4.7.
"""
frame = b"\x81\x05Hello"
frames, buf = parse_hybi07_frames(frame)
self.assertEqual(len(frames), 1)
self.assertEqual(frames[0], (NORMAL, b"Hello"))
self.assertEqual(buf, b"")
def test_parse_hybi07_masked_text(self):
"""
From HyBi-10, 4.7.
"""
frame = b"\x81\x857\xfa!=\x7f\x9fMQX"
frames, buf = parse_hybi07_frames(frame)
self.assertEqual(len(frames), 1)
self.assertEqual(frames[0], (NORMAL, b"Hello"))
self.assertEqual(buf, b"")
def test_parse_hybi07_unmasked_text_fragments(self):
"""
We don't care about fragments. We are totally unfazed.
From HyBi-10, 4.7.
"""
frame = b"\x01\x03Hel\x80\x02lo"
frames, buf = parse_hybi07_frames(frame)
self.assertEqual(len(frames), 2)
self.assertEqual(frames[0], (NORMAL, b"Hel"))
self.assertEqual(frames[1], (NORMAL, b"lo"))
self.assertEqual(buf, b"")
def test_parse_hybi07_ping(self):
"""
From HyBi-10, 4.7.
"""
frame = b"\x89\x05Hello"
frames, buf = parse_hybi07_frames(frame)
self.assertEqual(len(frames), 1)
self.assertEqual(frames[0], (PING, b"Hello"))
self.assertEqual(buf, b"")
def test_parse_hybi07_pong(self):
"""
From HyBi-10, 4.7.
"""
frame = b"\x8a\x05Hello"
frames, buf = parse_hybi07_frames(frame)
self.assertEqual(len(frames), 1)
self.assertEqual(frames[0], (PONG, b"Hello"))
self.assertEqual(buf, b"")
def test_parse_hybi07_close_empty(self):
"""
A HyBi-07 close packet may have no body. In that case, it should use
the generic error code 1000, and have no reason.
"""
frame = b"\x88\x00"
frames, buf = parse_hybi07_frames(frame)
self.assertEqual(len(frames), 1)
self.assertEqual(frames[0], (CLOSE, (1000, b"No reason given")))
self.assertEqual(buf, b"")
def test_parse_hybi07_close_reason(self):
"""
A HyBi-07 close packet must have its first two bytes be a numeric
error code, and may optionally include trailing text explaining why
the connection was closed.
"""
frame = b"\x88\x0b\x03\xe8No reason"
frames, buf = parse_hybi07_frames(frame)
self.assertEqual(len(frames), 1)
self.assertEqual(frames[0], (CLOSE, (1000, b"No reason")))
self.assertEqual(buf, b"")
def test_parse_hybi07_partial_no_length(self):
frame = b"\x81"
frames, buf = parse_hybi07_frames(frame)
self.assertFalse(frames)
self.assertEqual(buf, b"\x81")
def test_parse_hybi07_partial_truncated_length_int(self):
frame = b"\x81\xfe"
frames, buf = parse_hybi07_frames(frame)
self.assertFalse(frames)
self.assertEqual(buf, b"\x81\xfe")
def test_parse_hybi07_partial_truncated_length_double(self):
frame = b"\x81\xff"
frames, buf = parse_hybi07_frames(frame)
self.assertFalse(frames)
self.assertEqual(buf, b"\x81\xff")
def test_parse_hybi07_partial_no_data(self):
frame = b"\x81\x05"
frames, buf = parse_hybi07_frames(frame)
self.assertFalse(frames)
self.assertEqual(buf, b"\x81\x05")
def test_parse_hybi07_partial_truncated_data(self):
frame = b"\x81\x05Hel"
frames, buf = parse_hybi07_frames(frame)
self.assertFalse(frames)
self.assertEqual(buf, b"\x81\x05Hel")