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MatrixSynapse/tests/handlers/test_device.py

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# 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 synapse.util.task_scheduler import TaskScheduler
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
self.device_message_handler = hs.get_device_message_handler()
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_delete_device_and_big_device_inbox(self) -> None:
"""Check that deleting a big device inbox is staged and batched asynchronously."""
DEVICE_ID = "abc"
sender = "@sender:" + self.hs.hostname
receiver = "@receiver:" + self.hs.hostname
self._record_user(sender, DEVICE_ID, DEVICE_ID)
self._record_user(receiver, DEVICE_ID, DEVICE_ID)
# queue a bunch of messages in the inbox
requester = create_requester(sender, device_id=DEVICE_ID)
for i in range(DeviceHandler.DEVICE_MSGS_DELETE_BATCH_LIMIT + 10):
self.get_success(
self.device_message_handler.send_device_message(
requester, "message_type", {receiver: {"*": {"val": i}}}
)
)
# delete the device
self.get_success(self.handler.delete_devices(receiver, [DEVICE_ID]))
# messages should be deleted up to DEVICE_MSGS_DELETE_BATCH_LIMIT straight away
res = self.get_success(
self.store.db_pool.simple_select_list(
table="device_inbox",
keyvalues={"user_id": receiver},
retcols=("user_id", "device_id", "stream_id"),
desc="get_device_id_from_device_inbox",
)
)
self.assertEqual(10, len(res))
# wait for the task scheduler to do a second delete pass
self.reactor.advance(TaskScheduler.SCHEDULE_INTERVAL_MS / 1000)
# remaining messages should now be deleted
res = self.get_success(
self.store.db_pool.simple_select_list(
table="device_inbox",
keyvalues={"user_id": receiver},
retcols=("user_id", "device_id", "stream_id"),
desc="get_device_id_from_device_inbox",
)
)
self.assertEqual(0, len(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.auth_handler = hs.get_auth_handler()
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",
should_issue_refresh_token=True,
)
)
# 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 user device has the refresh token
assert refresh_token is not None
self.get_success(
self.auth_handler.refresh_token(refresh_token, 5 * 60 * 1000, 5 * 60 * 1000)
)
# 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")
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