581 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			581 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Python
		
	
	
# Copyright 2016 OpenMarket Ltd
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# Copyright 2018 New Vector Ltd
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# Copyright 2020 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import Optional
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from unittest import mock
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from twisted.internet.defer import ensureDeferred
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.api.constants import RoomEncryptionAlgorithms
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from synapse.api.errors import NotFoundError, SynapseError
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from synapse.appservice import ApplicationService
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from synapse.handlers.device import MAX_DEVICE_DISPLAY_NAME_LEN, DeviceHandler
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from synapse.rest import admin
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from synapse.rest.client import devices, login, register
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from synapse.server import HomeServer
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from synapse.storage.databases.main.appservice import _make_exclusive_regex
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from synapse.types import JsonDict, create_requester
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from synapse.util import Clock
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from tests import unittest
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from tests.test_utils import make_awaitable
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from tests.unittest import override_config
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user1 = "@boris:aaa"
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user2 = "@theresa:bbb"
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class DeviceTestCase(unittest.HomeserverTestCase):
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    def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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        self.appservice_api = mock.Mock()
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        hs = self.setup_test_homeserver(
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            "server",
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            application_service_api=self.appservice_api,
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        )
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        handler = hs.get_device_handler()
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        assert isinstance(handler, DeviceHandler)
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        self.handler = handler
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        self.store = hs.get_datastores().main
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        return hs
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    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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        # These tests assume that it starts 1000 seconds in.
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        self.reactor.advance(1000)
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    def test_device_is_created_with_invalid_name(self) -> None:
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        self.get_failure(
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            self.handler.check_device_registered(
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                user_id="@boris:foo",
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                device_id="foo",
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                initial_device_display_name="a" * (MAX_DEVICE_DISPLAY_NAME_LEN + 1),
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            ),
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            SynapseError,
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        )
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    def test_device_is_created_if_doesnt_exist(self) -> None:
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        res = self.get_success(
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            self.handler.check_device_registered(
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                user_id="@boris:foo",
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                device_id="fco",
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                initial_device_display_name="display name",
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            )
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        )
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        self.assertEqual(res, "fco")
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        dev = self.get_success(self.handler.store.get_device("@boris:foo", "fco"))
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        assert dev is not None
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        self.assertEqual(dev["display_name"], "display name")
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    def test_device_is_preserved_if_exists(self) -> None:
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        res1 = self.get_success(
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            self.handler.check_device_registered(
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                user_id="@boris:foo",
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                device_id="fco",
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                initial_device_display_name="display name",
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            )
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        )
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        self.assertEqual(res1, "fco")
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        res2 = self.get_success(
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            self.handler.check_device_registered(
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                user_id="@boris:foo",
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                device_id="fco",
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                initial_device_display_name="new display name",
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            )
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        )
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        self.assertEqual(res2, "fco")
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        dev = self.get_success(self.handler.store.get_device("@boris:foo", "fco"))
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        assert dev is not None
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        self.assertEqual(dev["display_name"], "display name")
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    def test_device_id_is_made_up_if_unspecified(self) -> None:
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        device_id = self.get_success(
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            self.handler.check_device_registered(
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                user_id="@theresa:foo",
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                device_id=None,
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                initial_device_display_name="display",
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            )
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        )
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        dev = self.get_success(self.handler.store.get_device("@theresa:foo", device_id))
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        assert dev is not None
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        self.assertEqual(dev["display_name"], "display")
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    def test_get_devices_by_user(self) -> None:
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        self._record_users()
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        res = self.get_success(self.handler.get_devices_by_user(user1))
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        self.assertEqual(3, len(res))
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        device_map = {d["device_id"]: d for d in res}
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        self.assertDictContainsSubset(
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            {
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                "user_id": user1,
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                "device_id": "xyz",
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                "display_name": "display 0",
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                "last_seen_ip": None,
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                "last_seen_ts": None,
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            },
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            device_map["xyz"],
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        )
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        self.assertDictContainsSubset(
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            {
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                "user_id": user1,
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                "device_id": "fco",
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                "display_name": "display 1",
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                "last_seen_ip": "ip1",
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                "last_seen_ts": 1000000,
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            },
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            device_map["fco"],
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        )
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        self.assertDictContainsSubset(
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            {
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                "user_id": user1,
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                "device_id": "abc",
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                "display_name": "display 2",
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                "last_seen_ip": "ip3",
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                "last_seen_ts": 3000000,
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            },
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            device_map["abc"],
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        )
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    def test_get_device(self) -> None:
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        self._record_users()
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        res = self.get_success(self.handler.get_device(user1, "abc"))
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        self.assertDictContainsSubset(
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            {
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                "user_id": user1,
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                "device_id": "abc",
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                "display_name": "display 2",
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                "last_seen_ip": "ip3",
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                "last_seen_ts": 3000000,
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            },
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            res,
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        )
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    def test_delete_device(self) -> None:
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        self._record_users()
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        # delete the device
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        self.get_success(self.handler.delete_devices(user1, ["abc"]))
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        # check the device was deleted
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        self.get_failure(self.handler.get_device(user1, "abc"), NotFoundError)
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        # we'd like to check the access token was invalidated, but that's a
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        # bit of a PITA.
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    def test_delete_device_and_device_inbox(self) -> None:
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        self._record_users()
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        # add an device_inbox
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        self.get_success(
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            self.store.db_pool.simple_insert(
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                "device_inbox",
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                {
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                    "user_id": user1,
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                    "device_id": "abc",
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                    "stream_id": 1,
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                    "message_json": "{}",
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                },
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            )
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        )
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        # delete the device
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        self.get_success(self.handler.delete_devices(user1, ["abc"]))
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        # check that the device_inbox was deleted
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        res = self.get_success(
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            self.store.db_pool.simple_select_one(
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                table="device_inbox",
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                keyvalues={"user_id": user1, "device_id": "abc"},
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                retcols=("user_id", "device_id"),
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                allow_none=True,
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                desc="get_device_id_from_device_inbox",
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            )
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        )
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        self.assertIsNone(res)
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    def test_update_device(self) -> None:
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        self._record_users()
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        update = {"display_name": "new display"}
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        self.get_success(self.handler.update_device(user1, "abc", update))
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        res = self.get_success(self.handler.get_device(user1, "abc"))
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        self.assertEqual(res["display_name"], "new display")
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    def test_update_device_too_long_display_name(self) -> None:
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        """Update a device with a display name that is invalid (too long)."""
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        self._record_users()
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        # Request to update a device display name with a new value that is longer than allowed.
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        update = {"display_name": "a" * (MAX_DEVICE_DISPLAY_NAME_LEN + 1)}
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        self.get_failure(
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            self.handler.update_device(user1, "abc", update),
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            SynapseError,
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        )
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        # Ensure the display name was not updated.
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        res = self.get_success(self.handler.get_device(user1, "abc"))
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        self.assertEqual(res["display_name"], "display 2")
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    def test_update_unknown_device(self) -> None:
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        update = {"display_name": "new_display"}
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        self.get_failure(
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            self.handler.update_device("user_id", "unknown_device_id", update),
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            NotFoundError,
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        )
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    def _record_users(self) -> None:
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        # check this works for both devices which have a recorded client_ip,
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        # and those which don't.
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        self._record_user(user1, "xyz", "display 0")
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        self._record_user(user1, "fco", "display 1", "token1", "ip1")
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        self._record_user(user1, "abc", "display 2", "token2", "ip2")
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        self._record_user(user1, "abc", "display 2", "token3", "ip3")
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        self._record_user(user2, "def", "dispkay", "token4", "ip4")
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        self.reactor.advance(10000)
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    def _record_user(
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        self,
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        user_id: str,
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        device_id: str,
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        display_name: str,
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        access_token: Optional[str] = None,
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        ip: Optional[str] = None,
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    ) -> None:
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        device_id = self.get_success(
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            self.handler.check_device_registered(
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                user_id=user_id,
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                device_id=device_id,
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                initial_device_display_name=display_name,
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            )
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        )
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        if access_token is not None and ip is not None:
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            self.get_success(
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                self.store.insert_client_ip(
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                    user_id, access_token, ip, "user_agent", device_id
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                )
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            )
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            self.reactor.advance(1000)
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    @override_config({"experimental_features": {"msc3984_appservice_key_query": True}})
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    def test_on_federation_query_user_devices_appservice(self) -> None:
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        """Test that querying of appservices for keys overrides responses from the database."""
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        local_user = "@boris:" + self.hs.hostname
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        device_1 = "abc"
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        device_2 = "def"
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        device_3 = "ghi"
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        # There are 3 devices:
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        #
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        # 1. One which is uploaded to the homeserver.
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        # 2. One which is uploaded to the homeserver, but a newer copy is returned
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        #     by the appservice.
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        # 3. One which is only returned by the appservice.
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        device_key_1: JsonDict = {
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            "user_id": local_user,
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            "device_id": device_1,
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            "algorithms": [
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                "m.olm.curve25519-aes-sha2",
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                RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
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            ],
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            "keys": {
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                "ed25519:abc": "base64+ed25519+key",
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                "curve25519:abc": "base64+curve25519+key",
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            },
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            "signatures": {local_user: {"ed25519:abc": "base64+signature"}},
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        }
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        device_key_2a: JsonDict = {
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            "user_id": local_user,
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            "device_id": device_2,
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            "algorithms": [
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                "m.olm.curve25519-aes-sha2",
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                RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
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            ],
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            "keys": {
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                "ed25519:def": "base64+ed25519+key",
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                "curve25519:def": "base64+curve25519+key",
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            },
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            "signatures": {local_user: {"ed25519:def": "base64+signature"}},
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        }
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        device_key_2b: JsonDict = {
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            "user_id": local_user,
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            "device_id": device_2,
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            "algorithms": [
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                "m.olm.curve25519-aes-sha2",
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                RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
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            ],
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            # The device ID is the same (above), but the keys are different.
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            "keys": {
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                "ed25519:xyz": "base64+ed25519+key",
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                "curve25519:xyz": "base64+curve25519+key",
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            },
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            "signatures": {local_user: {"ed25519:xyz": "base64+signature"}},
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        }
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        device_key_3: JsonDict = {
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            "user_id": local_user,
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            "device_id": device_3,
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            "algorithms": [
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                "m.olm.curve25519-aes-sha2",
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                RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
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            ],
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            "keys": {
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                "ed25519:jkl": "base64+ed25519+key",
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                "curve25519:jkl": "base64+curve25519+key",
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            },
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            "signatures": {local_user: {"ed25519:jkl": "base64+signature"}},
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        }
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        # Upload keys for devices 1 & 2a.
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        e2e_keys_handler = self.hs.get_e2e_keys_handler()
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        self.get_success(
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            e2e_keys_handler.upload_keys_for_user(
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                local_user, device_1, {"device_keys": device_key_1}
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            )
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        )
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        self.get_success(
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            e2e_keys_handler.upload_keys_for_user(
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                local_user, device_2, {"device_keys": device_key_2a}
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            )
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        )
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        # Inject an appservice interested in this user.
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        appservice = ApplicationService(
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            token="i_am_an_app_service",
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            id="1234",
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            namespaces={"users": [{"regex": r"@boris:.+", "exclusive": True}]},
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            # Note: this user does not have to match the regex above
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            sender="@as_main:test",
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        )
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        self.hs.get_datastores().main.services_cache = [appservice]
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        self.hs.get_datastores().main.exclusive_user_regex = _make_exclusive_regex(
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            [appservice]
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        )
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        # Setup a response.
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        self.appservice_api.query_keys.return_value = make_awaitable(
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            {
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                "device_keys": {
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                    local_user: {device_2: device_key_2b, device_3: device_key_3}
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                }
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            }
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        )
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        # Request all devices.
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        res = self.get_success(
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            self.handler.on_federation_query_user_devices(local_user)
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        )
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        self.assertIn("devices", res)
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        res_devices = res["devices"]
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        for device in res_devices:
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            device["keys"].pop("unsigned", None)
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        self.assertEqual(
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            res_devices,
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            [
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                {"device_id": device_1, "keys": device_key_1},
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                {"device_id": device_2, "keys": device_key_2b},
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                {"device_id": device_3, "keys": device_key_3},
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            ],
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        )
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class DehydrationTestCase(unittest.HomeserverTestCase):
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    servlets = [
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        admin.register_servlets_for_client_rest_resource,
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        login.register_servlets,
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        register.register_servlets,
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        devices.register_servlets,
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    ]
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    def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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        hs = self.setup_test_homeserver("server")
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        handler = hs.get_device_handler()
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        assert isinstance(handler, DeviceHandler)
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        self.handler = handler
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        self.message_handler = hs.get_device_message_handler()
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        self.registration = hs.get_registration_handler()
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        self.auth = hs.get_auth()
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        self.store = hs.get_datastores().main
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        return hs
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    def test_dehydrate_and_rehydrate_device(self) -> None:
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        user_id = "@boris:dehydration"
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						|
 | 
						|
        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 nothing
 | 
						|
        # and delete the old messages
 | 
						|
        res = self.get_success(
 | 
						|
            self.message_handler.get_events_for_dehydrated_device(
 | 
						|
                requester=requester,
 | 
						|
                device_id=stored_dehydrated_device_id,
 | 
						|
                since_token=res["next_batch"],
 | 
						|
                limit=10,
 | 
						|
            )
 | 
						|
        )
 | 
						|
        self.assertTrue(len(res["next_batch"]) > 1)
 | 
						|
        self.assertEqual(len(res["events"]), 0)
 |