638 lines
22 KiB
Python
638 lines
22 KiB
Python
# Copyright 2019 New Vector Ltd
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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.mock import Mock
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from signedjson import key, sign
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from signedjson.types import BaseKey, SigningKey
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from twisted.internet import defer
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from synapse.api.constants import EduTypes, RoomEncryptionAlgorithms
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from synapse.rest import admin
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from synapse.rest.client import login
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from synapse.types import JsonDict, ReadReceipt
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from tests.test_utils import make_awaitable
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from tests.unittest import HomeserverTestCase, override_config
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class FederationSenderReceiptsTestCases(HomeserverTestCase):
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def make_homeserver(self, reactor, clock):
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hs = self.setup_test_homeserver(
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federation_transport_client=Mock(spec=["send_transaction"]),
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)
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hs.get_storage_controllers().state.get_current_hosts_in_room = Mock(
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return_value=make_awaitable({"test", "host2"})
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)
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return hs
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@override_config({"send_federation": True})
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def test_send_receipts(self):
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mock_send_transaction = (
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self.hs.get_federation_transport_client().send_transaction
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)
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mock_send_transaction.return_value = make_awaitable({})
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sender = self.hs.get_federation_sender()
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receipt = ReadReceipt(
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"room_id", "m.read", "user_id", ["event_id"], {"ts": 1234}
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)
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self.successResultOf(defer.ensureDeferred(sender.send_read_receipt(receipt)))
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self.pump()
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# expect a call to send_transaction
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mock_send_transaction.assert_called_once()
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json_cb = mock_send_transaction.call_args[0][1]
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data = json_cb()
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self.assertEqual(
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data["edus"],
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[
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{
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"edu_type": EduTypes.RECEIPT,
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"content": {
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"room_id": {
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"m.read": {
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"user_id": {
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"event_ids": ["event_id"],
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"data": {"ts": 1234},
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}
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}
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}
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},
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}
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],
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)
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@override_config({"send_federation": True})
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def test_send_receipts_with_backoff(self):
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"""Send two receipts in quick succession; the second should be flushed, but
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only after 20ms"""
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mock_send_transaction = (
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self.hs.get_federation_transport_client().send_transaction
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)
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mock_send_transaction.return_value = make_awaitable({})
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sender = self.hs.get_federation_sender()
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receipt = ReadReceipt(
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"room_id", "m.read", "user_id", ["event_id"], {"ts": 1234}
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)
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self.successResultOf(defer.ensureDeferred(sender.send_read_receipt(receipt)))
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self.pump()
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# expect a call to send_transaction
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mock_send_transaction.assert_called_once()
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json_cb = mock_send_transaction.call_args[0][1]
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data = json_cb()
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self.assertEqual(
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data["edus"],
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[
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{
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"edu_type": EduTypes.RECEIPT,
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"content": {
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"room_id": {
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"m.read": {
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"user_id": {
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"event_ids": ["event_id"],
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"data": {"ts": 1234},
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}
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}
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}
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},
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}
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],
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)
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mock_send_transaction.reset_mock()
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# send the second RR
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receipt = ReadReceipt(
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"room_id", "m.read", "user_id", ["other_id"], {"ts": 1234}
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)
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self.successResultOf(defer.ensureDeferred(sender.send_read_receipt(receipt)))
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self.pump()
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mock_send_transaction.assert_not_called()
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self.reactor.advance(19)
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mock_send_transaction.assert_not_called()
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self.reactor.advance(10)
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mock_send_transaction.assert_called_once()
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json_cb = mock_send_transaction.call_args[0][1]
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data = json_cb()
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self.assertEqual(
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data["edus"],
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[
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{
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"edu_type": EduTypes.RECEIPT,
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"content": {
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"room_id": {
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"m.read": {
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"user_id": {
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"event_ids": ["other_id"],
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"data": {"ts": 1234},
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}
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}
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}
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},
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}
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],
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)
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class FederationSenderDevicesTestCases(HomeserverTestCase):
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servlets = [
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admin.register_servlets,
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login.register_servlets,
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]
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def make_homeserver(self, reactor, clock):
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return self.setup_test_homeserver(
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federation_transport_client=Mock(
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spec=["send_transaction", "query_user_devices"]
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),
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)
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def default_config(self):
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c = super().default_config()
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c["send_federation"] = True
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return c
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def prepare(self, reactor, clock, hs):
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# stub out `get_rooms_for_user` and `get_users_in_room` so that the
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# server thinks the user shares a room with `@user2:host2`
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def get_rooms_for_user(user_id):
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return defer.succeed({"!room:host1"})
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hs.get_datastores().main.get_rooms_for_user = get_rooms_for_user
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def get_users_in_room(room_id):
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return defer.succeed({"@user2:host2"})
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hs.get_datastores().main.get_users_in_room = get_users_in_room
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# whenever send_transaction is called, record the edu data
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self.edus = []
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self.hs.get_federation_transport_client().send_transaction.side_effect = (
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self.record_transaction
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)
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def record_transaction(self, txn, json_cb):
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data = json_cb()
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self.edus.extend(data["edus"])
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return defer.succeed({})
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def test_send_device_updates(self):
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"""Basic case: each device update should result in an EDU"""
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# create a device
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u1 = self.register_user("user", "pass")
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self.login(u1, "pass", device_id="D1")
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# expect one edu
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self.assertEqual(len(self.edus), 1)
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stream_id = self.check_device_update_edu(self.edus.pop(0), u1, "D1", None)
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# We queue up device list updates to be sent over federation, so we
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# advance to clear the queue.
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self.reactor.advance(1)
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# a second call should produce no new device EDUs
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self.hs.get_federation_sender().send_device_messages("host2")
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self.assertEqual(self.edus, [])
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# a second device
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self.login("user", "pass", device_id="D2")
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self.assertEqual(len(self.edus), 1)
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self.check_device_update_edu(self.edus.pop(0), u1, "D2", stream_id)
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def test_dont_send_device_updates_for_remote_users(self):
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"""Check that we don't send device updates for remote users"""
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# Send the server a device list EDU for the other user, this will cause
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# it to try and resync the device lists.
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self.hs.get_federation_transport_client().query_user_devices.return_value = (
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make_awaitable(
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{
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"stream_id": "1",
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"user_id": "@user2:host2",
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"devices": [{"device_id": "D1"}],
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}
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)
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)
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self.get_success(
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self.hs.get_device_handler().device_list_updater.incoming_device_list_update(
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"host2",
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{
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"user_id": "@user2:host2",
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"device_id": "D1",
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"stream_id": "1",
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"prev_ids": [],
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},
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)
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)
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self.reactor.advance(1)
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# We shouldn't see an EDU for that update
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self.assertEqual(self.edus, [])
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# Check that we did successfully process the inbound EDU (otherwise this
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# test would pass if we failed to process the EDU)
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devices = self.get_success(
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self.hs.get_datastores().main.get_cached_devices_for_user("@user2:host2")
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)
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self.assertIn("D1", devices)
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def test_upload_signatures(self):
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"""Uploading signatures on some devices should produce updates for that user"""
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e2e_handler = self.hs.get_e2e_keys_handler()
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# register two devices
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u1 = self.register_user("user", "pass")
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self.login(u1, "pass", device_id="D1")
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self.login(u1, "pass", device_id="D2")
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# expect two edus
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self.assertEqual(len(self.edus), 2)
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stream_id = None
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stream_id = self.check_device_update_edu(self.edus.pop(0), u1, "D1", stream_id)
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stream_id = self.check_device_update_edu(self.edus.pop(0), u1, "D2", stream_id)
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# upload signing keys for each device
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device1_signing_key = self.generate_and_upload_device_signing_key(u1, "D1")
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device2_signing_key = self.generate_and_upload_device_signing_key(u1, "D2")
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# We queue up device list updates to be sent over federation, so we
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# advance to clear the queue.
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self.reactor.advance(1)
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# expect two more edus
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self.assertEqual(len(self.edus), 2)
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stream_id = self.check_device_update_edu(self.edus.pop(0), u1, "D1", stream_id)
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stream_id = self.check_device_update_edu(self.edus.pop(0), u1, "D2", stream_id)
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# upload master key and self-signing key
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master_signing_key = generate_self_id_key()
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master_key = {
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"user_id": u1,
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"usage": ["master"],
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"keys": {key_id(master_signing_key): encode_pubkey(master_signing_key)},
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}
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# private key: HvQBbU+hc2Zr+JP1sE0XwBe1pfZZEYtJNPJLZJtS+F8
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selfsigning_signing_key = generate_self_id_key()
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selfsigning_key = {
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"user_id": u1,
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"usage": ["self_signing"],
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"keys": {
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key_id(selfsigning_signing_key): encode_pubkey(selfsigning_signing_key)
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},
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}
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sign.sign_json(selfsigning_key, u1, master_signing_key)
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cross_signing_keys = {
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"master_key": master_key,
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"self_signing_key": selfsigning_key,
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}
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self.get_success(
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e2e_handler.upload_signing_keys_for_user(u1, cross_signing_keys)
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)
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# We queue up device list updates to be sent over federation, so we
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# advance to clear the queue.
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self.reactor.advance(1)
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# expect signing key update edu
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self.assertEqual(len(self.edus), 2)
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self.assertEqual(self.edus.pop(0)["edu_type"], EduTypes.SIGNING_KEY_UPDATE)
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self.assertEqual(
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self.edus.pop(0)["edu_type"], EduTypes.UNSTABLE_SIGNING_KEY_UPDATE
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)
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# sign the devices
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d1_json = build_device_dict(u1, "D1", device1_signing_key)
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sign.sign_json(d1_json, u1, selfsigning_signing_key)
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d2_json = build_device_dict(u1, "D2", device2_signing_key)
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sign.sign_json(d2_json, u1, selfsigning_signing_key)
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ret = self.get_success(
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e2e_handler.upload_signatures_for_device_keys(
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u1,
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{u1: {"D1": d1_json, "D2": d2_json}},
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)
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)
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self.assertEqual(ret["failures"], {})
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# We queue up device list updates to be sent over federation, so we
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# advance to clear the queue.
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self.reactor.advance(1)
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# expect two edus, in one or two transactions. We don't know what order the
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# devices will be updated.
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self.assertEqual(len(self.edus), 2)
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stream_id = None # FIXME: there is a discontinuity in the stream IDs: see #7142
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for edu in self.edus:
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self.assertEqual(edu["edu_type"], EduTypes.DEVICE_LIST_UPDATE)
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c = edu["content"]
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if stream_id is not None:
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self.assertEqual(c["prev_id"], [stream_id])
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self.assertGreaterEqual(c["stream_id"], stream_id)
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stream_id = c["stream_id"]
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devices = {edu["content"]["device_id"] for edu in self.edus}
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self.assertEqual({"D1", "D2"}, devices)
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def test_delete_devices(self):
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"""If devices are deleted, that should result in EDUs too"""
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# create devices
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u1 = self.register_user("user", "pass")
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self.login("user", "pass", device_id="D1")
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self.login("user", "pass", device_id="D2")
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self.login("user", "pass", device_id="D3")
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# We queue up device list updates to be sent over federation, so we
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# advance to clear the queue.
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self.reactor.advance(1)
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# expect three edus
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self.assertEqual(len(self.edus), 3)
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stream_id = self.check_device_update_edu(self.edus.pop(0), u1, "D1", None)
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stream_id = self.check_device_update_edu(self.edus.pop(0), u1, "D2", stream_id)
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stream_id = self.check_device_update_edu(self.edus.pop(0), u1, "D3", stream_id)
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# delete them again
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self.get_success(
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self.hs.get_device_handler().delete_devices(u1, ["D1", "D2", "D3"])
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)
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# We queue up device list updates to be sent over federation, so we
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# advance to clear the queue.
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self.reactor.advance(1)
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# expect three edus, in an unknown order
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self.assertEqual(len(self.edus), 3)
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for edu in self.edus:
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self.assertEqual(edu["edu_type"], EduTypes.DEVICE_LIST_UPDATE)
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c = edu["content"]
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self.assertGreaterEqual(
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c.items(),
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{"user_id": u1, "prev_id": [stream_id], "deleted": True}.items(),
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)
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self.assertGreaterEqual(c["stream_id"], stream_id)
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stream_id = c["stream_id"]
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devices = {edu["content"]["device_id"] for edu in self.edus}
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self.assertEqual({"D1", "D2", "D3"}, devices)
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def test_unreachable_server(self):
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"""If the destination server is unreachable, all the updates should get sent on
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recovery
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"""
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mock_send_txn = self.hs.get_federation_transport_client().send_transaction
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mock_send_txn.side_effect = lambda t, cb: defer.fail(AssertionError("fail"))
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# create devices
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u1 = self.register_user("user", "pass")
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self.login("user", "pass", device_id="D1")
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self.login("user", "pass", device_id="D2")
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self.login("user", "pass", device_id="D3")
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# delete them again
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self.get_success(
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self.hs.get_device_handler().delete_devices(u1, ["D1", "D2", "D3"])
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)
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# We queue up device list updates to be sent over federation, so we
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# advance to clear the queue.
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self.reactor.advance(1)
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self.assertGreaterEqual(mock_send_txn.call_count, 4)
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# recover the server
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mock_send_txn.side_effect = self.record_transaction
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self.hs.get_federation_sender().send_device_messages("host2")
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# We queue up device list updates to be sent over federation, so we
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# advance to clear the queue.
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self.reactor.advance(1)
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# for each device, there should be a single update
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self.assertEqual(len(self.edus), 3)
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stream_id = None
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for edu in self.edus:
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self.assertEqual(edu["edu_type"], EduTypes.DEVICE_LIST_UPDATE)
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c = edu["content"]
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self.assertEqual(c["prev_id"], [stream_id] if stream_id is not None else [])
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if stream_id is not None:
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self.assertGreaterEqual(c["stream_id"], stream_id)
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stream_id = c["stream_id"]
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devices = {edu["content"]["device_id"] for edu in self.edus}
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self.assertEqual({"D1", "D2", "D3"}, devices)
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def test_prune_outbound_device_pokes1(self):
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"""If a destination is unreachable, and the updates are pruned, we should get
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a single update.
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This case tests the behaviour when the server has never been reachable.
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"""
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mock_send_txn = self.hs.get_federation_transport_client().send_transaction
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mock_send_txn.side_effect = lambda t, cb: defer.fail(AssertionError("fail"))
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# create devices
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u1 = self.register_user("user", "pass")
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self.login("user", "pass", device_id="D1")
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self.login("user", "pass", device_id="D2")
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self.login("user", "pass", device_id="D3")
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# delete them again
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self.get_success(
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self.hs.get_device_handler().delete_devices(u1, ["D1", "D2", "D3"])
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)
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# We queue up device list updates to be sent over federation, so we
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# advance to clear the queue.
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self.reactor.advance(1)
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self.assertGreaterEqual(mock_send_txn.call_count, 4)
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# run the prune job
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self.reactor.advance(10)
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self.get_success(
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self.hs.get_datastores().main._prune_old_outbound_device_pokes(prune_age=1)
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)
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# recover the server
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mock_send_txn.side_effect = self.record_transaction
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self.hs.get_federation_sender().send_device_messages("host2")
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|
|
# We queue up device list updates to be sent over federation, so we
|
|
# advance to clear the queue.
|
|
self.reactor.advance(1)
|
|
|
|
# there should be a single update for this user.
|
|
self.assertEqual(len(self.edus), 1)
|
|
edu = self.edus.pop(0)
|
|
self.assertEqual(edu["edu_type"], EduTypes.DEVICE_LIST_UPDATE)
|
|
c = edu["content"]
|
|
|
|
# synapse uses an empty prev_id list to indicate "needs a full resync".
|
|
self.assertEqual(c["prev_id"], [])
|
|
|
|
def test_prune_outbound_device_pokes2(self):
|
|
"""If a destination is unreachable, and the updates are pruned, we should get
|
|
a single update.
|
|
|
|
This case tests the behaviour when the server was reachable, but then goes
|
|
offline.
|
|
"""
|
|
|
|
# create first device
|
|
u1 = self.register_user("user", "pass")
|
|
self.login("user", "pass", device_id="D1")
|
|
|
|
# expect the update EDU
|
|
self.assertEqual(len(self.edus), 1)
|
|
self.check_device_update_edu(self.edus.pop(0), u1, "D1", None)
|
|
|
|
# now the server goes offline
|
|
mock_send_txn = self.hs.get_federation_transport_client().send_transaction
|
|
mock_send_txn.side_effect = lambda t, cb: defer.fail(AssertionError("fail"))
|
|
|
|
self.login("user", "pass", device_id="D2")
|
|
self.login("user", "pass", device_id="D3")
|
|
|
|
# We queue up device list updates to be sent over federation, so we
|
|
# advance to clear the queue.
|
|
self.reactor.advance(1)
|
|
|
|
# delete them again
|
|
self.get_success(
|
|
self.hs.get_device_handler().delete_devices(u1, ["D1", "D2", "D3"])
|
|
)
|
|
|
|
self.assertGreaterEqual(mock_send_txn.call_count, 3)
|
|
|
|
# run the prune job
|
|
self.reactor.advance(10)
|
|
self.get_success(
|
|
self.hs.get_datastores().main._prune_old_outbound_device_pokes(prune_age=1)
|
|
)
|
|
|
|
# recover the server
|
|
mock_send_txn.side_effect = self.record_transaction
|
|
self.hs.get_federation_sender().send_device_messages("host2")
|
|
|
|
# We queue up device list updates to be sent over federation, so we
|
|
# advance to clear the queue.
|
|
self.reactor.advance(1)
|
|
|
|
# ... and we should get a single update for this user.
|
|
self.assertEqual(len(self.edus), 1)
|
|
edu = self.edus.pop(0)
|
|
self.assertEqual(edu["edu_type"], EduTypes.DEVICE_LIST_UPDATE)
|
|
c = edu["content"]
|
|
|
|
# synapse uses an empty prev_id list to indicate "needs a full resync".
|
|
self.assertEqual(c["prev_id"], [])
|
|
|
|
def check_device_update_edu(
|
|
self,
|
|
edu: JsonDict,
|
|
user_id: str,
|
|
device_id: str,
|
|
prev_stream_id: Optional[int],
|
|
) -> int:
|
|
"""Check that the given EDU is an update for the given device
|
|
Returns the stream_id.
|
|
"""
|
|
self.assertEqual(edu["edu_type"], EduTypes.DEVICE_LIST_UPDATE)
|
|
content = edu["content"]
|
|
|
|
expected = {
|
|
"user_id": user_id,
|
|
"device_id": device_id,
|
|
"prev_id": [prev_stream_id] if prev_stream_id is not None else [],
|
|
}
|
|
|
|
self.assertLessEqual(expected.items(), content.items())
|
|
if prev_stream_id is not None:
|
|
self.assertGreaterEqual(content["stream_id"], prev_stream_id)
|
|
return content["stream_id"]
|
|
|
|
def check_signing_key_update_txn(
|
|
self,
|
|
txn: JsonDict,
|
|
) -> None:
|
|
"""Check that the txn has an EDU with a signing key update."""
|
|
edus = txn["edus"]
|
|
self.assertEqual(len(edus), 2)
|
|
|
|
def generate_and_upload_device_signing_key(
|
|
self, user_id: str, device_id: str
|
|
) -> SigningKey:
|
|
"""Generate a signing keypair for the given device, and upload it"""
|
|
sk = key.generate_signing_key(device_id)
|
|
|
|
device_dict = build_device_dict(user_id, device_id, sk)
|
|
|
|
self.get_success(
|
|
self.hs.get_e2e_keys_handler().upload_keys_for_user(
|
|
user_id,
|
|
device_id,
|
|
{"device_keys": device_dict},
|
|
)
|
|
)
|
|
return sk
|
|
|
|
|
|
def generate_self_id_key() -> SigningKey:
|
|
"""generate a signing key whose version is its public key
|
|
|
|
... as used by the cross-signing-keys.
|
|
"""
|
|
k = key.generate_signing_key("x")
|
|
k.version = encode_pubkey(k)
|
|
return k
|
|
|
|
|
|
def key_id(k: BaseKey) -> str:
|
|
return "%s:%s" % (k.alg, k.version)
|
|
|
|
|
|
def encode_pubkey(sk: SigningKey) -> str:
|
|
"""Encode the public key corresponding to the given signing key as base64"""
|
|
return key.encode_verify_key_base64(key.get_verify_key(sk))
|
|
|
|
|
|
def build_device_dict(user_id: str, device_id: str, sk: SigningKey):
|
|
"""Build a dict representing the given device"""
|
|
return {
|
|
"user_id": user_id,
|
|
"device_id": device_id,
|
|
"algorithms": [
|
|
"m.olm.curve25519-aes-sha2",
|
|
RoomEncryptionAlgorithms.MEGOLM_V1_AES_SHA2,
|
|
],
|
|
"keys": {
|
|
"curve25519:" + device_id: "curve25519+key",
|
|
key_id(sk): encode_pubkey(sk),
|
|
},
|
|
}
|