summary refs log tree commit diff
path: root/tests/handlers/test_device.py
blob: 55a4f95ef32b3063a674c15cca5db546509cfab1 (plain) (blame)
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
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
# Copyright 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# 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 typing import Optional
from unittest import mock

from twisted.internet.defer import ensureDeferred
from twisted.test.proto_helpers import MemoryReactor

from synapse.api.constants import RoomEncryptionAlgorithms
from synapse.api.errors import NotFoundError, SynapseError
from synapse.appservice import ApplicationService
from synapse.handlers.device import MAX_DEVICE_DISPLAY_NAME_LEN, DeviceHandler
from synapse.rest import admin
from synapse.rest.client import devices, login, register
from synapse.server import HomeServer
from synapse.storage.databases.main.appservice import _make_exclusive_regex
from synapse.types import JsonDict, create_requester
from synapse.util import Clock

from tests import unittest
from tests.unittest import override_config

user1 = "@boris:aaa"
user2 = "@theresa:bbb"


class DeviceTestCase(unittest.HomeserverTestCase):
    def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
        self.appservice_api = mock.AsyncMock()
        hs = self.setup_test_homeserver(
            "server",
            application_service_api=self.appservice_api,
        )
        handler = hs.get_device_handler()
        assert isinstance(handler, DeviceHandler)
        self.handler = handler
        self.store = hs.get_datastores().main
        return hs

    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
        # These tests assume that it starts 1000 seconds in.
        self.reactor.advance(1000)

    def test_device_is_created_with_invalid_name(self) -> None:
        self.get_failure(
            self.handler.check_device_registered(
                user_id="@boris:foo",
                device_id="foo",
                initial_device_display_name="a" * (MAX_DEVICE_DISPLAY_NAME_LEN + 1),
            ),
            SynapseError,
        )

    def test_device_is_created_if_doesnt_exist(self) -> None:
        res = self.get_success(
            self.handler.check_device_registered(
                user_id="@boris:foo",
                device_id="fco",
                initial_device_display_name="display name",
            )
        )
        self.assertEqual(res, "fco")

        dev = self.get_success(self.handler.store.get_device("@boris:foo", "fco"))
        assert dev is not None
        self.assertEqual(dev["display_name"], "display name")

    def test_device_is_preserved_if_exists(self) -> None:
        res1 = self.get_success(
            self.handler.check_device_registered(
                user_id="@boris:foo",
                device_id="fco",
                initial_device_display_name="display name",
            )
        )
        self.assertEqual(res1, "fco")

        res2 = self.get_success(
            self.handler.check_device_registered(
                user_id="@boris:foo",
                device_id="fco",
                initial_device_display_name="new display name",
            )
        )
        self.assertEqual(res2, "fco")

        dev = self.get_success(self.handler.store.get_device("@boris:foo", "fco"))
        assert dev is not None
        self.assertEqual(dev["display_name"], "display name")

    def test_device_id_is_made_up_if_unspecified(self) -> None:
        device_id = self.get_success(
            self.handler.check_device_registered(
                user_id="@theresa:foo",
                device_id=None,
                initial_device_display_name="display",
            )
        )

        dev = self.get_success(self.handler.store.get_device("@theresa:foo", device_id))
        assert dev is not None
        self.assertEqual(dev["display_name"], "display")

    def test_get_devices_by_user(self) -> None:
        self._record_users()

        res = self.get_success(self.handler.get_devices_by_user(user1))

        self.assertEqual(3, len(res))
        device_map = {d["device_id"]: d for d in res}
        self.assertLessEqual(
            {
                "user_id": user1,
                "device_id": "xyz",
                "display_name": "display 0",
                "last_seen_ip": None,
                "last_seen_ts": None,
            }.items(),
            device_map["xyz"].items(),
        )
        self.assertLessEqual(
            {
                "user_id": user1,
                "device_id": "fco",
                "display_name": "display 1",
                "last_seen_ip": "ip1",
                "last_seen_ts": 1000000,
            }.items(),
            device_map["fco"].items(),
        )
        self.assertLessEqual(
            {
                "user_id": user1,
                "device_id": "abc",
                "display_name": "display 2",
                "last_seen_ip": "ip3",
                "last_seen_ts": 3000000,
            }.items(),
            device_map["abc"].items(),
        )

    def test_get_device(self) -> None:
        self._record_users()

        res = self.get_success(self.handler.get_device(user1, "abc"))
        self.assertLessEqual(
            {
                "user_id": user1,
                "device_id": "abc",
                "display_name": "display 2",
                "last_seen_ip": "ip3",
                "last_seen_ts": 3000000,
            }.items(),
            res.items(),
        )

    def test_delete_device(self) -> None:
        self._record_users()

        # delete the device
        self.get_success(self.handler.delete_devices(user1, ["abc"]))

        # check the device was deleted
        self.get_failure(self.handler.get_device(user1, "abc"), NotFoundError)

        # we'd like to check the access token was invalidated, but that's a
        # bit of a PITA.

    def test_delete_device_and_device_inbox(self) -> None:
        self._record_users()

        # add an device_inbox
        self.get_success(
            self.store.db_pool.simple_insert(
                "device_inbox",
                {
                    "user_id": user1,
                    "device_id": "abc",
                    "stream_id": 1,
                    "message_json": "{}",
                },
            )
        )

        # delete the device
        self.get_success(self.handler.delete_devices(user1, ["abc"]))

        # check that the device_inbox was deleted
        res = self.get_success(
            self.store.db_pool.simple_select_one(
                table="device_inbox",
                keyvalues={"user_id": user1, "device_id": "abc"},
                retcols=("user_id", "device_id"),
                allow_none=True,
                desc="get_device_id_from_device_inbox",
            )
        )
        self.assertIsNone(res)

    def test_update_device(self) -> None:
        self._record_users()

        update = {"display_name": "new display"}
        self.get_success(self.handler.update_device(user1, "abc", update))

        res = self.get_success(self.handler.get_device(user1, "abc"))
        self.assertEqual(res["display_name"], "new display")

    def test_update_device_too_long_display_name(self) -> None:
        """Update a device with a display name that is invalid (too long)."""
        self._record_users()

        # Request to update a device display name with a new value that is longer than allowed.
        update = {"display_name": "a" * (MAX_DEVICE_DISPLAY_NAME_LEN + 1)}
        self.get_failure(
            self.handler.update_device(user1, "abc", update),
            SynapseError,
        )

        # Ensure the display name was not updated.
        res = self.get_success(self.handler.get_device(user1, "abc"))
        self.assertEqual(res["display_name"], "display 2")

    def test_update_unknown_device(self) -> None:
        update = {"display_name": "new_display"}
        self.get_failure(
            self.handler.update_device("user_id", "unknown_device_id", update),
            NotFoundError,
        )

    def _record_users(self) -> None:
        # check this works for both devices which have a recorded client_ip,
        # and those which don't.
        self._record_user(user1, "xyz", "display 0")
        self._record_user(user1, "fco", "display 1", "token1", "ip1")
        self._record_user(user1, "abc", "display 2", "token2", "ip2")
        self._record_user(user1, "abc", "display 2", "token3", "ip3")

        self._record_user(user2, "def", "dispkay", "token4", "ip4")

        self.reactor.advance(10000)

    def _record_user(
        self,
        user_id: str,
        device_id: str,
        display_name: str,
        access_token: Optional[str] = None,
        ip: Optional[str] = None,
    ) -> None:
        device_id = self.get_success(
            self.handler.check_device_registered(
                user_id=user_id,
                device_id=device_id,
                initial_device_display_name=display_name,
            )
        )

        if access_token is not None and ip is not None:
            self.get_success(
                self.store.insert_client_ip(
                    user_id, access_token, ip, "user_agent", device_id
                )
            )
            self.reactor.advance(1000)

    @override_config({"experimental_features": {"msc3984_appservice_key_query": True}})
    def test_on_federation_query_user_devices_appservice(self) -> None:
        """Test that querying of appservices for keys overrides responses from the database."""
        local_user = "@boris:" + self.hs.hostname
        device_1 = "abc"
        device_2 = "def"
        device_3 = "ghi"

        # There are 3 devices:
        #
        # 1. One which is uploaded to the homeserver.
        # 2. One which is uploaded to the homeserver, but a newer copy is returned
        #     by the appservice.
        # 3. One which is only returned by the appservice.
        device_key_1: JsonDict = {
            "user_id": local_user,
            "device_id": device_1,
            "algorithms": [
                "m.olm.curve25519-aes-sha2",
                RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
            ],
            "keys": {
                "ed25519:abc": "base64+ed25519+key",
                "curve25519:abc": "base64+curve25519+key",
            },
            "signatures": {local_user: {"ed25519:abc": "base64+signature"}},
        }
        device_key_2a: JsonDict = {
            "user_id": local_user,
            "device_id": device_2,
            "algorithms": [
                "m.olm.curve25519-aes-sha2",
                RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
            ],
            "keys": {
                "ed25519:def": "base64+ed25519+key",
                "curve25519:def": "base64+curve25519+key",
            },
            "signatures": {local_user: {"ed25519:def": "base64+signature"}},
        }

        device_key_2b: JsonDict = {
            "user_id": local_user,
            "device_id": device_2,
            "algorithms": [
                "m.olm.curve25519-aes-sha2",
                RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
            ],
            # The device ID is the same (above), but the keys are different.
            "keys": {
                "ed25519:xyz": "base64+ed25519+key",
                "curve25519:xyz": "base64+curve25519+key",
            },
            "signatures": {local_user: {"ed25519:xyz": "base64+signature"}},
        }
        device_key_3: JsonDict = {
            "user_id": local_user,
            "device_id": device_3,
            "algorithms": [
                "m.olm.curve25519-aes-sha2",
                RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
            ],
            "keys": {
                "ed25519:jkl": "base64+ed25519+key",
                "curve25519:jkl": "base64+curve25519+key",
            },
            "signatures": {local_user: {"ed25519:jkl": "base64+signature"}},
        }

        # Upload keys for devices 1 & 2a.
        e2e_keys_handler = self.hs.get_e2e_keys_handler()
        self.get_success(
            e2e_keys_handler.upload_keys_for_user(
                local_user, device_1, {"device_keys": device_key_1}
            )
        )
        self.get_success(
            e2e_keys_handler.upload_keys_for_user(
                local_user, device_2, {"device_keys": device_key_2a}
            )
        )

        # Inject an appservice interested in this user.
        appservice = ApplicationService(
            token="i_am_an_app_service",
            id="1234",
            namespaces={"users": [{"regex": r"@boris:.+", "exclusive": True}]},
            # Note: this user does not have to match the regex above
            sender="@as_main:test",
        )
        self.hs.get_datastores().main.services_cache = [appservice]
        self.hs.get_datastores().main.exclusive_user_regex = _make_exclusive_regex(
            [appservice]
        )

        # Setup a response.
        self.appservice_api.query_keys.return_value = {
            "device_keys": {
                local_user: {device_2: device_key_2b, device_3: device_key_3}
            }
        }

        # Request all devices.
        res = self.get_success(
            self.handler.on_federation_query_user_devices(local_user)
        )
        self.assertIn("devices", res)
        res_devices = res["devices"]
        for device in res_devices:
            device["keys"].pop("unsigned", None)
        self.assertEqual(
            res_devices,
            [
                {"device_id": device_1, "keys": device_key_1},
                {"device_id": device_2, "keys": device_key_2b},
                {"device_id": device_3, "keys": device_key_3},
            ],
        )


class DehydrationTestCase(unittest.HomeserverTestCase):
    servlets = [
        admin.register_servlets_for_client_rest_resource,
        login.register_servlets,
        register.register_servlets,
        devices.register_servlets,
    ]

    def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
        hs = self.setup_test_homeserver("server")
        handler = hs.get_device_handler()
        assert isinstance(handler, DeviceHandler)
        self.handler = handler
        self.message_handler = hs.get_device_message_handler()
        self.registration = hs.get_registration_handler()
        self.auth = hs.get_auth()
        self.store = hs.get_datastores().main
        return hs

    def test_dehydrate_and_rehydrate_device(self) -> None:
        user_id = "@boris:dehydration"

        self.get_success(self.store.register_user(user_id, "foobar"))

        # First check if we can store and fetch a dehydrated device
        stored_dehydrated_device_id = self.get_success(
            self.handler.store_dehydrated_device(
                user_id=user_id,
                device_id=None,
                device_data={"device_data": {"foo": "bar"}},
                initial_device_display_name="dehydrated device",
            )
        )

        result = self.get_success(self.handler.get_dehydrated_device(user_id=user_id))
        assert result is not None
        retrieved_device_id, device_data = result

        self.assertEqual(retrieved_device_id, stored_dehydrated_device_id)
        self.assertEqual(device_data, {"device_data": {"foo": "bar"}})

        # Create a new login for the user and dehydrated the device
        device_id, access_token, _expiration_time, _refresh_token = self.get_success(
            self.registration.register_device(
                user_id=user_id,
                device_id=None,
                initial_display_name="new device",
            )
        )

        # Trying to claim a nonexistent device should throw an error
        self.get_failure(
            self.handler.rehydrate_device(
                user_id=user_id,
                access_token=access_token,
                device_id="not the right device ID",
            ),
            NotFoundError,
        )

        # dehydrating the right devices should succeed and change our device ID
        # to the dehydrated device's ID
        res = self.get_success(
            self.handler.rehydrate_device(
                user_id=user_id,
                access_token=access_token,
                device_id=retrieved_device_id,
            )
        )

        self.assertEqual(res, {"success": True})

        # make sure that our device ID has changed
        user_info = self.get_success(self.auth.get_user_by_access_token(access_token))

        self.assertEqual(user_info.device_id, retrieved_device_id)

        # make sure the device has the display name that was set from the login
        res = self.get_success(self.handler.get_device(user_id, retrieved_device_id))

        self.assertEqual(res["display_name"], "new device")

        # make sure that the device ID that we were initially assigned no longer exists
        self.get_failure(
            self.handler.get_device(user_id, device_id),
            NotFoundError,
        )

        # make sure that there's no device available for dehydrating now
        ret = self.get_success(self.handler.get_dehydrated_device(user_id=user_id))

        self.assertIsNone(ret)

    @unittest.override_config(
        {"experimental_features": {"msc2697_enabled": False, "msc3814_enabled": True}}
    )
    def test_dehydrate_v2_and_fetch_events(self) -> None:
        user_id = "@boris:server"

        self.get_success(self.store.register_user(user_id, "foobar"))

        # First check if we can store and fetch a dehydrated device
        stored_dehydrated_device_id = self.get_success(
            self.handler.store_dehydrated_device(
                user_id=user_id,
                device_id=None,
                device_data={"device_data": {"foo": "bar"}},
                initial_device_display_name="dehydrated device",
            )
        )

        device_info = self.get_success(
            self.handler.get_dehydrated_device(user_id=user_id)
        )
        assert device_info is not None
        retrieved_device_id, device_data = device_info
        self.assertEqual(retrieved_device_id, stored_dehydrated_device_id)
        self.assertEqual(device_data, {"device_data": {"foo": "bar"}})

        # Create a new login for the user
        device_id, access_token, _expiration_time, _refresh_token = self.get_success(
            self.registration.register_device(
                user_id=user_id,
                device_id=None,
                initial_display_name="new device",
            )
        )

        requester = create_requester(user_id, device_id=device_id)

        # Fetching messages for a non-existing device should return an error
        self.get_failure(
            self.message_handler.get_events_for_dehydrated_device(
                requester=requester,
                device_id="not the right device ID",
                since_token=None,
                limit=10,
            ),
            SynapseError,
        )

        # Send a message to the dehydrated device
        ensureDeferred(
            self.message_handler.send_device_message(
                requester=requester,
                message_type="test.message",
                messages={user_id: {stored_dehydrated_device_id: {"body": "foo"}}},
            )
        )
        self.pump()

        # Fetch the message of the dehydrated device
        res = self.get_success(
            self.message_handler.get_events_for_dehydrated_device(
                requester=requester,
                device_id=stored_dehydrated_device_id,
                since_token=None,
                limit=10,
            )
        )

        self.assertTrue(len(res["next_batch"]) > 1)
        self.assertEqual(len(res["events"]), 1)
        self.assertEqual(res["events"][0]["content"]["body"], "foo")

        # Fetch the message of the dehydrated device again, which should return
        # the same message as it has not been deleted
        res = self.get_success(
            self.message_handler.get_events_for_dehydrated_device(
                requester=requester,
                device_id=stored_dehydrated_device_id,
                since_token=None,
                limit=10,
            )
        )
        self.assertTrue(len(res["next_batch"]) > 1)
        self.assertEqual(len(res["events"]), 1)
        self.assertEqual(res["events"][0]["content"]["body"], "foo")