-
Notifications
You must be signed in to change notification settings - Fork 6
Expand file tree
/
Copy pathtest_interactive_pinning.py
More file actions
376 lines (300 loc) · 12.2 KB
/
test_interactive_pinning.py
File metadata and controls
376 lines (300 loc) · 12.2 KB
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
"""Tests for interactive key pinning functionality."""
import os
import tempfile
import unittest
from unittest.mock import Mock, patch
from schemapin.crypto import KeyManager
from schemapin.interactive import (
CallbackInteractiveHandler,
InteractivePinningManager,
KeyInfo,
PromptContext,
PromptType,
UserDecision,
)
from schemapin.pinning import KeyPinning, PinningMode, PinningPolicy
class TestInteractivePinningManager(unittest.TestCase):
"""Test interactive pinning manager functionality."""
def setUp(self):
"""Set up test fixtures."""
self.mock_handler = Mock()
self.manager = InteractivePinningManager(self.mock_handler)
# Generate test keys
self.private_key, self.public_key = KeyManager.generate_keypair()
self.public_key_pem = KeyManager.export_public_key_pem(self.public_key)
# Test data
self.tool_id = "test-tool"
self.domain = "example.com"
self.developer_name = "Test Developer"
def test_create_key_info(self):
"""Test KeyInfo creation from public key data."""
key_info = self.manager.create_key_info(
self.public_key_pem,
self.domain,
self.developer_name
)
self.assertIsInstance(key_info, KeyInfo)
self.assertEqual(key_info.domain, self.domain)
self.assertEqual(key_info.developer_name, self.developer_name)
self.assertIsNotNone(key_info.fingerprint)
self.assertTrue(key_info.fingerprint.startswith("sha256:"))
def test_prompt_first_time_key(self):
"""Test first-time key encounter prompt."""
self.mock_handler.prompt_user.return_value = UserDecision.ACCEPT
decision = self.manager.prompt_first_time_key(
self.tool_id,
self.domain,
self.public_key_pem,
{"developer_name": self.developer_name}
)
self.assertEqual(decision, UserDecision.ACCEPT)
self.mock_handler.prompt_user.assert_called_once()
# Check context passed to handler
call_args = self.mock_handler.prompt_user.call_args[0][0]
self.assertEqual(call_args.prompt_type, PromptType.FIRST_TIME_KEY)
self.assertEqual(call_args.tool_id, self.tool_id)
self.assertEqual(call_args.domain, self.domain)
def test_prompt_key_change(self):
"""Test key change prompt."""
# Generate second key
_, new_public_key = KeyManager.generate_keypair()
new_public_key_pem = KeyManager.export_public_key_pem(new_public_key)
self.mock_handler.prompt_user.return_value = UserDecision.REJECT
decision = self.manager.prompt_key_change(
self.tool_id,
self.domain,
self.public_key_pem,
new_public_key_pem,
{"developer_name": self.developer_name}
)
self.assertEqual(decision, UserDecision.REJECT)
self.mock_handler.prompt_user.assert_called_once()
# Check context
call_args = self.mock_handler.prompt_user.call_args[0][0]
self.assertEqual(call_args.prompt_type, PromptType.KEY_CHANGE)
self.assertIsNotNone(call_args.current_key)
self.assertIsNotNone(call_args.new_key)
def test_prompt_revoked_key(self):
"""Test revoked key prompt."""
self.mock_handler.prompt_user.return_value = UserDecision.REJECT
decision = self.manager.prompt_revoked_key(
self.tool_id,
self.domain,
self.public_key_pem,
{"developer_name": self.developer_name}
)
self.assertEqual(decision, UserDecision.REJECT)
self.mock_handler.prompt_user.assert_called_once()
# Check context
call_args = self.mock_handler.prompt_user.call_args[0][0]
self.assertEqual(call_args.prompt_type, PromptType.REVOKED_KEY)
self.assertTrue(call_args.current_key.is_revoked)
class TestCallbackInteractiveHandler(unittest.TestCase):
"""Test callback-based interactive handler."""
def test_callback_handler(self):
"""Test callback handler functionality."""
mock_callback = Mock(return_value=UserDecision.ACCEPT)
handler = CallbackInteractiveHandler(mock_callback)
context = PromptContext(
prompt_type=PromptType.FIRST_TIME_KEY,
tool_id="test-tool",
domain="example.com"
)
decision = handler.prompt_user(context)
self.assertEqual(decision, UserDecision.ACCEPT)
mock_callback.assert_called_once_with(context)
def test_display_key_info(self):
"""Test key info display formatting."""
handler = CallbackInteractiveHandler(Mock())
key_info = KeyInfo(
fingerprint="sha256:abc123",
pem_data="test-pem",
domain="example.com",
developer_name="Test Dev"
)
display_text = handler.display_key_info(key_info)
self.assertIn("sha256:abc123", display_text)
self.assertIn("example.com", display_text)
self.assertIn("Test Dev", display_text)
class TestKeyPinningInteractive(unittest.TestCase):
"""Test KeyPinning class with interactive functionality."""
def setUp(self):
"""Set up test fixtures."""
self.temp_dir = tempfile.mkdtemp()
self.db_path = os.path.join(self.temp_dir, "test_pinning.db")
# Mock interactive handler
self.mock_handler = Mock()
# Generate test keys
self.private_key, self.public_key = KeyManager.generate_keypair()
self.public_key_pem = KeyManager.export_public_key_pem(self.public_key)
# Test data
self.tool_id = "test-tool"
self.domain = "example.com"
self.developer_name = "Test Developer"
def tearDown(self):
"""Clean up test fixtures."""
if os.path.exists(self.db_path):
os.unlink(self.db_path)
os.rmdir(self.temp_dir)
def test_automatic_mode_pinning(self):
"""Test automatic mode pinning."""
pinning = KeyPinning(
db_path=self.db_path,
mode=PinningMode.AUTOMATIC
)
# Should pin automatically without prompts
result = pinning.interactive_pin_key(
self.tool_id,
self.public_key_pem,
self.domain,
self.developer_name
)
self.assertTrue(result)
self.assertTrue(pinning.is_key_pinned(self.tool_id))
def test_interactive_mode_first_time_accept(self):
"""Test interactive mode with first-time key acceptance."""
pinning = KeyPinning(
db_path=self.db_path,
mode=PinningMode.INTERACTIVE,
interactive_handler=self.mock_handler
)
# Mock user accepting the key
pinning.interactive_manager.prompt_first_time_key = Mock(
return_value=UserDecision.ACCEPT
)
with patch('schemapin.pinning.PublicKeyDiscovery.validate_key_not_revoked', return_value=True):
result = pinning.interactive_pin_key(
self.tool_id,
self.public_key_pem,
self.domain,
self.developer_name
)
self.assertTrue(result)
self.assertTrue(pinning.is_key_pinned(self.tool_id))
def test_interactive_mode_first_time_reject(self):
"""Test interactive mode with first-time key rejection."""
pinning = KeyPinning(
db_path=self.db_path,
mode=PinningMode.INTERACTIVE,
interactive_handler=self.mock_handler
)
# Mock user rejecting the key
pinning.interactive_manager.prompt_first_time_key = Mock(
return_value=UserDecision.REJECT
)
with patch('schemapin.pinning.PublicKeyDiscovery.validate_key_not_revoked', return_value=True):
result = pinning.interactive_pin_key(
self.tool_id,
self.public_key_pem,
self.domain,
self.developer_name
)
self.assertFalse(result)
self.assertFalse(pinning.is_key_pinned(self.tool_id))
def test_key_change_scenario(self):
"""Test key change handling."""
pinning = KeyPinning(
db_path=self.db_path,
mode=PinningMode.INTERACTIVE,
interactive_handler=self.mock_handler
)
# Pin initial key
pinning.pin_key(self.tool_id, self.public_key_pem, self.domain, self.developer_name)
# Generate new key
_, new_public_key = KeyManager.generate_keypair()
new_public_key_pem = KeyManager.export_public_key_pem(new_public_key)
# Mock user accepting key change
pinning.interactive_manager.prompt_key_change = Mock(
return_value=UserDecision.ACCEPT
)
with patch('schemapin.pinning.PublicKeyDiscovery.validate_key_not_revoked', return_value=True):
result = pinning.interactive_pin_key(
self.tool_id,
new_public_key_pem,
self.domain,
self.developer_name
)
self.assertTrue(result)
# Should have new key pinned
self.assertEqual(pinning.get_pinned_key(self.tool_id), new_public_key_pem)
def test_domain_policy_always_trust(self):
"""Test always trust domain policy."""
pinning = KeyPinning(
db_path=self.db_path,
mode=PinningMode.INTERACTIVE,
interactive_handler=self.mock_handler
)
# Set always trust policy
pinning.set_domain_policy(self.domain, PinningPolicy.ALWAYS_TRUST)
# Should pin without prompts
result = pinning.interactive_pin_key(
self.tool_id,
self.public_key_pem,
self.domain,
self.developer_name
)
self.assertTrue(result)
self.assertTrue(pinning.is_key_pinned(self.tool_id))
def test_domain_policy_never_trust(self):
"""Test never trust domain policy."""
pinning = KeyPinning(
db_path=self.db_path,
mode=PinningMode.INTERACTIVE,
interactive_handler=self.mock_handler
)
# Set never trust policy
pinning.set_domain_policy(self.domain, PinningPolicy.NEVER_TRUST)
# Should reject without prompts
result = pinning.interactive_pin_key(
self.tool_id,
self.public_key_pem,
self.domain,
self.developer_name
)
self.assertFalse(result)
self.assertFalse(pinning.is_key_pinned(self.tool_id))
def test_strict_mode_key_change_rejection(self):
"""Test strict mode rejecting key changes."""
pinning = KeyPinning(
db_path=self.db_path,
mode=PinningMode.STRICT,
interactive_handler=self.mock_handler
)
# Pin initial key
pinning.pin_key(self.tool_id, self.public_key_pem, self.domain, self.developer_name)
# Generate new key
_, new_public_key = KeyManager.generate_keypair()
new_public_key_pem = KeyManager.export_public_key_pem(new_public_key)
# Should reject key change in strict mode
result = pinning.interactive_pin_key(
self.tool_id,
new_public_key_pem,
self.domain,
self.developer_name
)
self.assertFalse(result)
# Should still have original key
self.assertEqual(pinning.get_pinned_key(self.tool_id), self.public_key_pem)
@patch('schemapin.pinning.PublicKeyDiscovery.validate_key_not_revoked')
def test_revoked_key_handling(self, mock_validate):
"""Test handling of revoked keys."""
mock_validate.return_value = False # Key is revoked
pinning = KeyPinning(
db_path=self.db_path,
mode=PinningMode.INTERACTIVE,
interactive_handler=self.mock_handler
)
# Mock user rejecting revoked key
pinning.interactive_manager.prompt_revoked_key = Mock(
return_value=UserDecision.REJECT
)
result = pinning.interactive_pin_key(
self.tool_id,
self.public_key_pem,
self.domain,
self.developer_name
)
self.assertFalse(result)
self.assertFalse(pinning.is_key_pinned(self.tool_id))
if __name__ == '__main__':
unittest.main()