synapse/tests/rest/client/test_upgrade_room.py

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# Copyright 2021 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.mock import patch
from twisted.test.proto_helpers import MemoryReactor
from synapse.api.constants import EventContentFields, EventTypes, RoomTypes
from synapse.config.server import DEFAULT_ROOM_VERSION
from synapse.rest import admin
from synapse.rest.client import login, room, room_upgrade_rest_servlet
from synapse.server import HomeServer
from synapse.util import Clock
from tests import unittest
from tests.server import FakeChannel
class UpgradeRoomTest(unittest.HomeserverTestCase):
servlets = [
admin.register_servlets,
login.register_servlets,
room.register_servlets,
room_upgrade_rest_servlet.register_servlets,
]
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.store = hs.get_datastores().main
self.creator = self.register_user("creator", "pass")
self.creator_token = self.login(self.creator, "pass")
self.other = self.register_user("user", "pass")
self.other_token = self.login(self.other, "pass")
self.room_id = self.helper.create_room_as(self.creator, tok=self.creator_token)
self.helper.join(self.room_id, self.other, tok=self.other_token)
def _upgrade_room(
self,
token: Optional[str] = None,
room_id: Optional[str] = None,
expire_cache: bool = True,
) -> FakeChannel:
if expire_cache:
# We don't want a cached response.
self.reactor.advance(5 * 60 + 1)
if room_id is None:
room_id = self.room_id
return self.make_request(
"POST",
f"/_matrix/client/r0/rooms/{room_id}/upgrade",
# This will upgrade a room to the same version, but that's fine.
content={"new_version": DEFAULT_ROOM_VERSION},
access_token=token or self.creator_token,
)
def test_upgrade(self) -> None:
"""
Upgrading a room should work fine.
"""
channel = self._upgrade_room()
self.assertEqual(200, channel.code, channel.result)
self.assertIn("replacement_room", channel.json_body)
new_room_id = channel.json_body["replacement_room"]
# Check that the tombstone event points to the new room.
tombstone_event = self.get_success(
self.hs.get_storage_controllers().state.get_current_state_event(
self.room_id, EventTypes.Tombstone, ""
)
)
self.assertIsNotNone(tombstone_event)
self.assertEqual(new_room_id, tombstone_event.content["replacement_room"])
# Check that the new room exists.
room = self.get_success(self.store.get_room(new_room_id))
self.assertIsNotNone(room)
def test_never_in_room(self) -> None:
"""
A user who has never been in the room cannot upgrade the room.
"""
# The user isn't in the room.
roomless = self.register_user("roomless", "pass")
roomless_token = self.login(roomless, "pass")
channel = self._upgrade_room(roomless_token)
self.assertEqual(403, channel.code, channel.result)
def test_left_room(self) -> None:
"""
A user who is no longer in the room cannot upgrade the room.
"""
# Remove the user from the room.
self.helper.leave(self.room_id, self.creator, tok=self.creator_token)
channel = self._upgrade_room(self.creator_token)
self.assertEqual(403, channel.code, channel.result)
def test_power_levels(self) -> None:
"""
Another user can upgrade the room if their power level is increased.
"""
# The other user doesn't have the proper power level.
channel = self._upgrade_room(self.other_token)
self.assertEqual(403, channel.code, channel.result)
# Increase the power levels so that this user can upgrade.
power_levels = self.helper.get_state(
self.room_id,
"m.room.power_levels",
tok=self.creator_token,
)
power_levels["users"][self.other] = 100
self.helper.send_state(
self.room_id,
"m.room.power_levels",
body=power_levels,
tok=self.creator_token,
)
# The upgrade should succeed!
channel = self._upgrade_room(self.other_token)
self.assertEqual(200, channel.code, channel.result)
def test_power_levels_user_default(self) -> None:
"""
Another user can upgrade the room if the default power level for users is increased.
"""
# The other user doesn't have the proper power level.
channel = self._upgrade_room(self.other_token)
self.assertEqual(403, channel.code, channel.result)
# Increase the power levels so that this user can upgrade.
power_levels = self.helper.get_state(
self.room_id,
"m.room.power_levels",
tok=self.creator_token,
)
power_levels["users_default"] = 100
self.helper.send_state(
self.room_id,
"m.room.power_levels",
body=power_levels,
tok=self.creator_token,
)
# The upgrade should succeed!
channel = self._upgrade_room(self.other_token)
self.assertEqual(200, channel.code, channel.result)
def test_power_levels_tombstone(self) -> None:
"""
Another user can upgrade the room if they can send the tombstone event.
"""
# The other user doesn't have the proper power level.
channel = self._upgrade_room(self.other_token)
self.assertEqual(403, channel.code, channel.result)
# Increase the power levels so that this user can upgrade.
power_levels = self.helper.get_state(
self.room_id,
"m.room.power_levels",
tok=self.creator_token,
)
power_levels["events"]["m.room.tombstone"] = 0
self.helper.send_state(
self.room_id,
"m.room.power_levels",
body=power_levels,
tok=self.creator_token,
)
# The upgrade should succeed!
channel = self._upgrade_room(self.other_token)
self.assertEqual(200, channel.code, channel.result)
power_levels = self.helper.get_state(
self.room_id,
"m.room.power_levels",
tok=self.creator_token,
)
self.assertNotIn(self.other, power_levels["users"])
def test_stringy_power_levels(self) -> None:
"""The room upgrade converts stringy power levels to proper integers."""
# Create a room on room version < 10.
room_id = self.helper.create_room_as(
self.creator, tok=self.creator_token, room_version="9"
)
self.helper.join(room_id, self.other, tok=self.other_token)
# Retrieve the room's current power levels.
power_levels = self.helper.get_state(
room_id,
"m.room.power_levels",
tok=self.creator_token,
)
# Set creator's power level to the string "100" instead of the integer `100`.
power_levels["users"][self.creator] = "100"
# Synapse refuses to accept new stringy power level events. Bypass this by
# neutering the validation.
with patch("synapse.events.validator.jsonschema.validate"):
# Note: https://github.com/matrix-org/matrix-spec/issues/853 plans to forbid
# string power levels in new rooms. For this test to have a clean
# conscience, we ought to ensure it's upgrading from a sufficiently old
# version of room.
self.helper.send_state(
room_id,
"m.room.power_levels",
body=power_levels,
tok=self.creator_token,
)
# Upgrade the room. Check the homeserver reports success.
channel = self._upgrade_room(room_id=room_id)
self.assertEqual(200, channel.code, channel.result)
# Extract the new room ID.
new_room_id = channel.json_body["replacement_room"]
# Fetch the new room's power level event.
new_power_levels = self.helper.get_state(
new_room_id,
"m.room.power_levels",
tok=self.creator_token,
)
# We should now have an integer power level.
self.assertEqual(new_power_levels["users"][self.creator], 100, new_power_levels)
def test_space(self) -> None:
"""Test upgrading a space."""
# Create a space.
space_id = self.helper.create_room_as(
self.creator,
tok=self.creator_token,
extra_content={
"creation_content": {EventContentFields.ROOM_TYPE: RoomTypes.SPACE}
},
)
# Add the room as a child room.
self.helper.send_state(
space_id,
event_type=EventTypes.SpaceChild,
body={"via": [self.hs.hostname]},
tok=self.creator_token,
state_key=self.room_id,
)
# Also add a room that was removed.
old_room_id = "!notaroom:" + self.hs.hostname
self.helper.send_state(
space_id,
event_type=EventTypes.SpaceChild,
body={},
tok=self.creator_token,
state_key=old_room_id,
)
# Upgrade the room!
channel = self._upgrade_room(room_id=space_id)
self.assertEqual(200, channel.code, channel.result)
self.assertIn("replacement_room", channel.json_body)
new_space_id = channel.json_body["replacement_room"]
state_ids = self.get_success(
self.store.get_partial_current_state_ids(new_space_id)
)
# Ensure the new room is still a space.
create_event = self.get_success(
self.store.get_event(state_ids[(EventTypes.Create, "")])
)
self.assertEqual(
create_event.content.get(EventContentFields.ROOM_TYPE), RoomTypes.SPACE
)
# The child link should have been copied over.
self.assertIn((EventTypes.SpaceChild, self.room_id), state_ids)
# The child that was removed should not be copied over.
self.assertNotIn((EventTypes.SpaceChild, old_room_id), state_ids)
def test_custom_room_type(self) -> None:
"""Test upgrading a room that has a custom room type set."""
test_room_type = "com.example.my_custom_room_type"
# Create a room with a custom room type.
room_id = self.helper.create_room_as(
self.creator,
tok=self.creator_token,
extra_content={
"creation_content": {EventContentFields.ROOM_TYPE: test_room_type}
},
)
# Upgrade the room!
channel = self._upgrade_room(room_id=room_id)
self.assertEqual(200, channel.code, channel.result)
self.assertIn("replacement_room", channel.json_body)
new_room_id = channel.json_body["replacement_room"]
state_ids = self.get_success(
self.store.get_partial_current_state_ids(new_room_id)
)
# Ensure the new room is the same type as the old room.
create_event = self.get_success(
self.store.get_event(state_ids[(EventTypes.Create, "")])
)
self.assertEqual(
create_event.content.get(EventContentFields.ROOM_TYPE), test_room_type
)
def test_second_upgrade_from_same_user(self) -> None:
"""A second room upgrade from the same user is deduplicated."""
channel1 = self._upgrade_room()
self.assertEqual(200, channel1.code, channel1.result)
channel2 = self._upgrade_room(expire_cache=False)
self.assertEqual(200, channel2.code, channel2.result)
self.assertEqual(
channel1.json_body["replacement_room"],
channel2.json_body["replacement_room"],
)
def test_second_upgrade_after_delay(self) -> None:
"""A second room upgrade is not deduplicated after some time has passed."""
channel1 = self._upgrade_room()
self.assertEqual(200, channel1.code, channel1.result)
channel2 = self._upgrade_room(expire_cache=True)
self.assertEqual(200, channel2.code, channel2.result)
self.assertNotEqual(
channel1.json_body["replacement_room"],
channel2.json_body["replacement_room"],
)
def test_second_upgrade_from_different_user(self) -> None:
"""A second room upgrade from a different user is blocked."""
channel = self._upgrade_room()
self.assertEqual(200, channel.code, channel.result)
channel = self._upgrade_room(self.other_token, expire_cache=False)
self.assertEqual(400, channel.code, channel.result)
def test_first_upgrade_does_not_block_second(self) -> None:
"""A second room upgrade is not blocked when a previous upgrade attempt was not
allowed.
"""
channel = self._upgrade_room(self.other_token)
self.assertEqual(403, channel.code, channel.result)
channel = self._upgrade_room(expire_cache=False)
self.assertEqual(200, channel.code, channel.result)