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0a686d1d13
Ensure that the list of servers in a partial state room always contains the server we joined off. Also refactor `get_partial_state_servers_at_join` to return `None` when the given room is no longer partial stated, to explicitly indicate when the room has partial state. Otherwise it's not clear whether an empty list means that the room has full state, or the room is partial stated, but the server we joined off told us that there are no servers in the room. Signed-off-by: Sean Quah <seanq@matrix.org>
379 lines
15 KiB
Python
379 lines
15 KiB
Python
from unittest.mock import Mock, patch
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from twisted.test.proto_helpers import MemoryReactor
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import synapse.rest.admin
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import synapse.rest.client.login
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import synapse.rest.client.room
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from synapse.api.constants import EventTypes, Membership
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from synapse.api.errors import LimitExceededError, SynapseError
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from synapse.crypto.event_signing import add_hashes_and_signatures
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from synapse.events import FrozenEventV3
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from synapse.federation.federation_client import SendJoinResult
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from synapse.server import HomeServer
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from synapse.types import UserID, create_requester
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from synapse.util import Clock
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from tests.replication._base import BaseMultiWorkerStreamTestCase
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from tests.server import make_request
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from tests.test_utils import make_awaitable
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from tests.unittest import (
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FederatingHomeserverTestCase,
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HomeserverTestCase,
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override_config,
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)
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class TestJoinsLimitedByPerRoomRateLimiter(FederatingHomeserverTestCase):
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servlets = [
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synapse.rest.admin.register_servlets,
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synapse.rest.client.login.register_servlets,
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synapse.rest.client.room.register_servlets,
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]
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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self.handler = hs.get_room_member_handler()
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# Create three users.
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self.alice = self.register_user("alice", "pass")
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self.alice_token = self.login("alice", "pass")
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self.bob = self.register_user("bob", "pass")
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self.bob_token = self.login("bob", "pass")
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self.chris = self.register_user("chris", "pass")
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self.chris_token = self.login("chris", "pass")
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# Create a room on this homeserver. Note that this counts as a join: it
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# contributes to the rate limter's count of actions
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self.room_id = self.helper.create_room_as(self.alice, tok=self.alice_token)
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self.intially_unjoined_room_id = f"!example:{self.OTHER_SERVER_NAME}"
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@override_config({"rc_joins_per_room": {"per_second": 0, "burst_count": 2}})
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def test_local_user_local_joins_contribute_to_limit_and_are_limited(self) -> None:
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# The rate limiter has accumulated one token from Alice's join after the create
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# event.
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# Try joining the room as Bob.
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self.get_success(
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self.handler.update_membership(
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requester=create_requester(self.bob),
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target=UserID.from_string(self.bob),
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room_id=self.room_id,
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action=Membership.JOIN,
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)
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)
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# The rate limiter bucket is full. A second join should be denied.
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self.get_failure(
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self.handler.update_membership(
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requester=create_requester(self.chris),
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target=UserID.from_string(self.chris),
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room_id=self.room_id,
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action=Membership.JOIN,
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),
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LimitExceededError,
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)
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@override_config({"rc_joins_per_room": {"per_second": 0, "burst_count": 2}})
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def test_local_user_profile_edits_dont_contribute_to_limit(self) -> None:
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# The rate limiter has accumulated one token from Alice's join after the create
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# event. Alice should still be able to change her displayname.
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self.get_success(
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self.handler.update_membership(
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requester=create_requester(self.alice),
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target=UserID.from_string(self.alice),
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room_id=self.room_id,
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action=Membership.JOIN,
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content={"displayname": "Alice Cooper"},
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)
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)
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# Still room in the limiter bucket. Chris's join should be accepted.
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self.get_success(
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self.handler.update_membership(
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requester=create_requester(self.chris),
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target=UserID.from_string(self.chris),
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room_id=self.room_id,
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action=Membership.JOIN,
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)
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)
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@override_config({"rc_joins_per_room": {"per_second": 0, "burst_count": 1}})
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def test_remote_joins_contribute_to_rate_limit(self) -> None:
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# Join once, to fill the rate limiter bucket.
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#
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# To do this we have to mock the responses from the remote homeserver.
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# We also patch out a bunch of event checks on our end. All we're really
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# trying to check here is that remote joins will bump the rate limter when
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# they are persisted.
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create_event_source = {
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"auth_events": [],
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"content": {
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"creator": f"@creator:{self.OTHER_SERVER_NAME}",
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"room_version": self.hs.config.server.default_room_version.identifier,
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},
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"depth": 0,
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"origin_server_ts": 0,
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"prev_events": [],
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"room_id": self.intially_unjoined_room_id,
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"sender": f"@creator:{self.OTHER_SERVER_NAME}",
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"state_key": "",
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"type": EventTypes.Create,
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}
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self.add_hashes_and_signatures_from_other_server(
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create_event_source,
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self.hs.config.server.default_room_version,
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)
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create_event = FrozenEventV3(
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create_event_source,
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self.hs.config.server.default_room_version,
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{},
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None,
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)
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join_event_source = {
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"auth_events": [create_event.event_id],
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"content": {"membership": "join"},
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"depth": 1,
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"origin_server_ts": 100,
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"prev_events": [create_event.event_id],
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"sender": self.bob,
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"state_key": self.bob,
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"room_id": self.intially_unjoined_room_id,
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"type": EventTypes.Member,
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}
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add_hashes_and_signatures(
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self.hs.config.server.default_room_version,
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join_event_source,
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self.hs.hostname,
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self.hs.signing_key,
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)
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join_event = FrozenEventV3(
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join_event_source,
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self.hs.config.server.default_room_version,
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{},
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None,
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)
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mock_make_membership_event = Mock(
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return_value=make_awaitable(
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(
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self.OTHER_SERVER_NAME,
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join_event,
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self.hs.config.server.default_room_version,
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)
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)
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)
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mock_send_join = Mock(
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return_value=make_awaitable(
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SendJoinResult(
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join_event,
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self.OTHER_SERVER_NAME,
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state=[create_event],
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auth_chain=[create_event],
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partial_state=False,
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servers_in_room=frozenset(),
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)
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)
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)
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with patch.object(
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self.handler.federation_handler.federation_client,
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"make_membership_event",
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mock_make_membership_event,
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), patch.object(
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self.handler.federation_handler.federation_client,
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"send_join",
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mock_send_join,
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), patch(
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"synapse.event_auth._is_membership_change_allowed",
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return_value=None,
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), patch(
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"synapse.handlers.federation_event.check_state_dependent_auth_rules",
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return_value=None,
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):
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self.get_success(
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self.handler.update_membership(
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requester=create_requester(self.bob),
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target=UserID.from_string(self.bob),
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room_id=self.intially_unjoined_room_id,
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action=Membership.JOIN,
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remote_room_hosts=[self.OTHER_SERVER_NAME],
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)
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)
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# Try to join as Chris. Should get denied.
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self.get_failure(
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self.handler.update_membership(
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requester=create_requester(self.chris),
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target=UserID.from_string(self.chris),
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room_id=self.intially_unjoined_room_id,
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action=Membership.JOIN,
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remote_room_hosts=[self.OTHER_SERVER_NAME],
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),
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LimitExceededError,
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)
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# TODO: test that remote joins to a room are rate limited.
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# Could do this by setting the burst count to 1, then:
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# - remote-joining a room
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# - immediately leaving
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# - trying to remote-join again.
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class TestReplicatedJoinsLimitedByPerRoomRateLimiter(BaseMultiWorkerStreamTestCase):
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servlets = [
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synapse.rest.admin.register_servlets,
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synapse.rest.client.login.register_servlets,
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synapse.rest.client.room.register_servlets,
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]
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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self.handler = hs.get_room_member_handler()
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# Create three users.
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self.alice = self.register_user("alice", "pass")
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self.alice_token = self.login("alice", "pass")
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self.bob = self.register_user("bob", "pass")
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self.bob_token = self.login("bob", "pass")
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self.chris = self.register_user("chris", "pass")
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self.chris_token = self.login("chris", "pass")
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# Create a room on this homeserver.
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# Note that this counts as a
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self.room_id = self.helper.create_room_as(self.alice, tok=self.alice_token)
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self.intially_unjoined_room_id = "!example:otherhs"
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@override_config({"rc_joins_per_room": {"per_second": 0, "burst_count": 2}})
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def test_local_users_joining_on_another_worker_contribute_to_rate_limit(
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self,
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) -> None:
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# The rate limiter has accumulated one token from Alice's join after the create
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# event.
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self.replicate()
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# Spawn another worker and have bob join via it.
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worker_app = self.make_worker_hs(
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"synapse.app.generic_worker", extra_config={"worker_name": "other worker"}
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)
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worker_site = self._hs_to_site[worker_app]
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channel = make_request(
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self.reactor,
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worker_site,
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"POST",
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f"/_matrix/client/v3/rooms/{self.room_id}/join",
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access_token=self.bob_token,
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)
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self.assertEqual(channel.code, 200, channel.json_body)
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# wait for join to arrive over replication
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self.replicate()
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# Try to join as Chris on the worker. Should get denied because Alice
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# and Bob have both joined the room.
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self.get_failure(
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worker_app.get_room_member_handler().update_membership(
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requester=create_requester(self.chris),
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target=UserID.from_string(self.chris),
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room_id=self.room_id,
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action=Membership.JOIN,
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),
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LimitExceededError,
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)
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# Try to join as Chris on the original worker. Should get denied because Alice
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# and Bob have both joined the room.
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self.get_failure(
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self.handler.update_membership(
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requester=create_requester(self.chris),
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target=UserID.from_string(self.chris),
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room_id=self.room_id,
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action=Membership.JOIN,
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),
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LimitExceededError,
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)
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class RoomMemberMasterHandlerTestCase(HomeserverTestCase):
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servlets = [
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synapse.rest.admin.register_servlets,
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synapse.rest.client.login.register_servlets,
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synapse.rest.client.room.register_servlets,
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]
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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self.handler = hs.get_room_member_handler()
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self.store = hs.get_datastores().main
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# Create two users.
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self.alice = self.register_user("alice", "pass")
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self.alice_ID = UserID.from_string(self.alice)
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self.alice_token = self.login("alice", "pass")
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self.bob = self.register_user("bob", "pass")
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self.bob_ID = UserID.from_string(self.bob)
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self.bob_token = self.login("bob", "pass")
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# Create a room on this homeserver.
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self.room_id = self.helper.create_room_as(self.alice, tok=self.alice_token)
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def test_leave_and_forget(self) -> None:
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"""Tests that forget a room is successfully. The test is performed with two users,
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as forgetting by the last user respectively after all users had left the
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is a special edge case."""
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self.helper.join(self.room_id, user=self.bob, tok=self.bob_token)
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# alice is not the last room member that leaves and forgets the room
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self.helper.leave(self.room_id, user=self.alice, tok=self.alice_token)
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self.get_success(self.handler.forget(self.alice_ID, self.room_id))
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self.assertTrue(
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self.get_success(self.store.did_forget(self.alice, self.room_id))
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)
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# the server has not forgotten the room
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self.assertFalse(
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self.get_success(self.store.is_locally_forgotten_room(self.room_id))
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)
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def test_leave_and_forget_last_user(self) -> None:
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"""Tests that forget a room is successfully when the last user has left the room."""
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# alice is the last room member that leaves and forgets the room
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self.helper.leave(self.room_id, user=self.alice, tok=self.alice_token)
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self.get_success(self.handler.forget(self.alice_ID, self.room_id))
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self.assertTrue(
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self.get_success(self.store.did_forget(self.alice, self.room_id))
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)
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# the server has forgotten the room
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self.assertTrue(
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self.get_success(self.store.is_locally_forgotten_room(self.room_id))
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)
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def test_forget_when_not_left(self) -> None:
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"""Tests that a user cannot not forgets a room that has not left."""
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self.get_failure(self.handler.forget(self.alice_ID, self.room_id), SynapseError)
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def test_rejoin_forgotten_by_user(self) -> None:
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"""Test that a user that has forgotten a room can do a re-join.
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The room was not forgotten from the local server.
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One local user is still member of the room."""
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self.helper.join(self.room_id, user=self.bob, tok=self.bob_token)
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self.helper.leave(self.room_id, user=self.alice, tok=self.alice_token)
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self.get_success(self.handler.forget(self.alice_ID, self.room_id))
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self.assertTrue(
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self.get_success(self.store.did_forget(self.alice, self.room_id))
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)
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# the server has not forgotten the room
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self.assertFalse(
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self.get_success(self.store.is_locally_forgotten_room(self.room_id))
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)
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self.helper.join(self.room_id, user=self.alice, tok=self.alice_token)
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# TODO: A join to a room does not invalidate the forgotten cache
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# see https://github.com/matrix-org/synapse/issues/13262
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self.store.did_forget.invalidate_all()
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self.assertFalse(
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self.get_success(self.store.did_forget(self.alice, self.room_id))
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)
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