mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-10-01 11:49:51 -04:00
291 lines
11 KiB
Python
291 lines
11 KiB
Python
|
from http import HTTPStatus
|
||
|
|
from unittest.mock import Mock, patch
|
||
|
|
|
||
|
|
from twisted.test.proto_helpers import MemoryReactor
|
||
|
|
|
||
|
|
import synapse.rest.admin
|
||
|
|
import synapse.rest.client.login
|
||
|
|
import synapse.rest.client.room
|
||
|
|
from synapse.api.constants import EventTypes, Membership
|
||
|
|
from synapse.api.errors import LimitExceededError
|
||
|
|
from synapse.crypto.event_signing import add_hashes_and_signatures
|
||
|
|
from synapse.events import FrozenEventV3
|
||
|
|
from synapse.federation.federation_client import SendJoinResult
|
||
|
|
from synapse.server import HomeServer
|
||
|
|
from synapse.types import UserID, create_requester
|
||
|
|
from synapse.util import Clock
|
||
|
|
|
||
|
|
from tests.replication._base import RedisMultiWorkerStreamTestCase
|
||
|
|
from tests.server import make_request
|
||
|
|
from tests.test_utils import make_awaitable
|
||
|
|
from tests.unittest import FederatingHomeserverTestCase, override_config
|
||
|
|
|
||
|
|
|
||
|
|
class TestJoinsLimitedByPerRoomRateLimiter(FederatingHomeserverTestCase):
|
||
|
|
servlets = [
|
||
|
|
synapse.rest.admin.register_servlets,
|
||
|
|
synapse.rest.client.login.register_servlets,
|
||
|
|
synapse.rest.client.room.register_servlets,
|
||
|
|
]
|
||
|
|
|
||
|
|
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
|
||
|
|
self.handler = hs.get_room_member_handler()
|
||
|
|
|
||
|
|
# Create three users.
|
||
|
|
self.alice = self.register_user("alice", "pass")
|
||
|
|
self.alice_token = self.login("alice", "pass")
|
||
|
|
self.bob = self.register_user("bob", "pass")
|
||
|
|
self.bob_token = self.login("bob", "pass")
|
||
|
|
self.chris = self.register_user("chris", "pass")
|
||
|
|
self.chris_token = self.login("chris", "pass")
|
||
|
|
|
||
|
|
# Create a room on this homeserver. Note that this counts as a join: it
|
||
|
|
# contributes to the rate limter's count of actions
|
||
|
|
self.room_id = self.helper.create_room_as(self.alice, tok=self.alice_token)
|
||
|
|
|
||
|
|
self.intially_unjoined_room_id = f"!example:{self.OTHER_SERVER_NAME}"
|
||
|
|
|
||
|
|
@override_config({"rc_joins_per_room": {"per_second": 0, "burst_count": 2}})
|
||
|
|
def test_local_user_local_joins_contribute_to_limit_and_are_limited(self) -> None:
|
||
|
|
# The rate limiter has accumulated one token from Alice's join after the create
|
||
|
|
# event.
|
||
|
|
# Try joining the room as Bob.
|
||
|
|
self.get_success(
|
||
|
|
self.handler.update_membership(
|
||
|
|
requester=create_requester(self.bob),
|
||
|
|
target=UserID.from_string(self.bob),
|
||
|
|
room_id=self.room_id,
|
||
|
|
action=Membership.JOIN,
|
||
|
|
)
|
||
|
|
)
|
||
|
|
|
||
|
|
# The rate limiter bucket is full. A second join should be denied.
|
||
|
|
self.get_failure(
|
||
|
|
self.handler.update_membership(
|
||
|
|
requester=create_requester(self.chris),
|
||
|
|
target=UserID.from_string(self.chris),
|
||
|
|
room_id=self.room_id,
|
||
|
|
action=Membership.JOIN,
|
||
|
|
),
|
||
|
|
LimitExceededError,
|
||
|
|
)
|
||
|
|
|
||
|
|
@override_config({"rc_joins_per_room": {"per_second": 0, "burst_count": 2}})
|
||
|
|
def test_local_user_profile_edits_dont_contribute_to_limit(self) -> None:
|
||
|
|
# The rate limiter has accumulated one token from Alice's join after the create
|
||
|
|
# event. Alice should still be able to change her displayname.
|
||
|
|
self.get_success(
|
||
|
|
self.handler.update_membership(
|
||
|
|
requester=create_requester(self.alice),
|
||
|
|
target=UserID.from_string(self.alice),
|
||
|
|
room_id=self.room_id,
|
||
|
|
action=Membership.JOIN,
|
||
|
|
content={"displayname": "Alice Cooper"},
|
||
|
|
)
|
||
|
|
)
|
||
|
|
|
||
|
|
# Still room in the limiter bucket. Chris's join should be accepted.
|
||
|
|
self.get_success(
|
||
|
|
self.handler.update_membership(
|
||
|
|
requester=create_requester(self.chris),
|
||
|
|
target=UserID.from_string(self.chris),
|
||
|
|
room_id=self.room_id,
|
||
|
|
action=Membership.JOIN,
|
||
|
|
)
|
||
|
|
)
|
||
|
|
|
||
|
|
@override_config({"rc_joins_per_room": {"per_second": 0, "burst_count": 1}})
|
||
|
|
def test_remote_joins_contribute_to_rate_limit(self) -> None:
|
||
|
|
# Join once, to fill the rate limiter bucket.
|
||
|
|
#
|
||
|
|
# To do this we have to mock the responses from the remote homeserver.
|
||
|
|
# We also patch out a bunch of event checks on our end. All we're really
|
||
|
|
# trying to check here is that remote joins will bump the rate limter when
|
||
|
|
# they are persisted.
|
||
|
|
create_event_source = {
|
||
|
|
"auth_events": [],
|
||
|
|
"content": {
|
||
|
|
"creator": f"@creator:{self.OTHER_SERVER_NAME}",
|
||
|
|
"room_version": self.hs.config.server.default_room_version.identifier,
|
||
|
|
},
|
||
|
|
"depth": 0,
|
||
|
|
"origin_server_ts": 0,
|
||
|
|
"prev_events": [],
|
||
|
|
"room_id": self.intially_unjoined_room_id,
|
||
|
|
"sender": f"@creator:{self.OTHER_SERVER_NAME}",
|
||
|
|
"state_key": "",
|
||
|
|
"type": EventTypes.Create,
|
||
|
|
}
|
||
|
|
self.add_hashes_and_signatures_from_other_server(
|
||
|
|
create_event_source,
|
||
|
|
self.hs.config.server.default_room_version,
|
||
|
|
)
|
||
|
|
create_event = FrozenEventV3(
|
||
|
|
create_event_source,
|
||
|
|
self.hs.config.server.default_room_version,
|
||
|
|
{},
|
||
|
|
None,
|
||
|
|
)
|
||
|
|
|
||
|
|
join_event_source = {
|
||
|
|
"auth_events": [create_event.event_id],
|
||
|
|
"content": {"membership": "join"},
|
||
|
|
"depth": 1,
|
||
|
|
"origin_server_ts": 100,
|
||
|
|
"prev_events": [create_event.event_id],
|
||
|
|
"sender": self.bob,
|
||
|
|
"state_key": self.bob,
|
||
|
|
"room_id": self.intially_unjoined_room_id,
|
||
|
|
"type": EventTypes.Member,
|
||
|
|
}
|
||
|
|
add_hashes_and_signatures(
|
||
|
|
self.hs.config.server.default_room_version,
|
||
|
|
join_event_source,
|
||
|
|
self.hs.hostname,
|
||
|
|
self.hs.signing_key,
|
||
|
|
)
|
||
|
|
join_event = FrozenEventV3(
|
||
|
|
join_event_source,
|
||
|
|
self.hs.config.server.default_room_version,
|
||
|
|
{},
|
||
|
|
None,
|
||
|
|
)
|
||
|
|
|
||
|
|
mock_make_membership_event = Mock(
|
||
|
|
return_value=make_awaitable(
|
||
|
|
(
|
||
|
|
self.OTHER_SERVER_NAME,
|
||
|
|
join_event,
|
||
|
|
self.hs.config.server.default_room_version,
|
||
|
|
)
|
||
|
|
)
|
||
|
|
)
|
||
|
|
mock_send_join = Mock(
|
||
|
|
return_value=make_awaitable(
|
||
|
|
SendJoinResult(
|
||
|
|
join_event,
|
||
|
|
self.OTHER_SERVER_NAME,
|
||
|
|
state=[create_event],
|
||
|
|
auth_chain=[create_event],
|
||
|
|
partial_state=False,
|
||
|
|
servers_in_room=[],
|
||
|
|
)
|
||
|
|
)
|
||
|
|
)
|
||
|
|
|
||
|
|
with patch.object(
|
||
|
|
self.handler.federation_handler.federation_client,
|
||
|
|
"make_membership_event",
|
||
|
|
mock_make_membership_event,
|
||
|
|
), patch.object(
|
||
|
|
self.handler.federation_handler.federation_client,
|
||
|
|
"send_join",
|
||
|
|
mock_send_join,
|
||
|
|
), patch(
|
||
|
|
"synapse.event_auth._is_membership_change_allowed",
|
||
|
|
return_value=None,
|
||
|
|
), patch(
|
||
|
|
"synapse.handlers.federation_event.check_state_dependent_auth_rules",
|
||
|
|
return_value=None,
|
||
|
|
):
|
||
|
|
self.get_success(
|
||
|
|
self.handler.update_membership(
|
||
|
|
requester=create_requester(self.bob),
|
||
|
|
target=UserID.from_string(self.bob),
|
||
|
|
room_id=self.intially_unjoined_room_id,
|
||
|
|
action=Membership.JOIN,
|
||
|
|
remote_room_hosts=[self.OTHER_SERVER_NAME],
|
||
|
|
)
|
||
|
|
)
|
||
|
|
|
||
|
|
# Try to join as Chris. Should get denied.
|
||
|
|
self.get_failure(
|
||
|
|
self.handler.update_membership(
|
||
|
|
requester=create_requester(self.chris),
|
||
|
|
target=UserID.from_string(self.chris),
|
||
|
|
room_id=self.intially_unjoined_room_id,
|
||
|
|
action=Membership.JOIN,
|
||
|
|
remote_room_hosts=[self.OTHER_SERVER_NAME],
|
||
|
|
),
|
||
|
|
LimitExceededError,
|
||
|
|
)
|
||
|
|
|
||
|
|
# TODO: test that remote joins to a room are rate limited.
|
||
|
|
# Could do this by setting the burst count to 1, then:
|
||
|
|
# - remote-joining a room
|
||
|
|
# - immediately leaving
|
||
|
|
# - trying to remote-join again.
|
||
|
|
|
||
|
|
|
||
|
|
class TestReplicatedJoinsLimitedByPerRoomRateLimiter(RedisMultiWorkerStreamTestCase):
|
||
|
|
servlets = [
|
||
|
|
synapse.rest.admin.register_servlets,
|
||
|
|
synapse.rest.client.login.register_servlets,
|
||
|
|
synapse.rest.client.room.register_servlets,
|
||
|
|
]
|
||
|
|
|
||
|
|
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
|
||
|
|
self.handler = hs.get_room_member_handler()
|
||
|
|
|
||
|
|
# Create three users.
|
||
|
|
self.alice = self.register_user("alice", "pass")
|
||
|
|
self.alice_token = self.login("alice", "pass")
|
||
|
|
self.bob = self.register_user("bob", "pass")
|
||
|
|
self.bob_token = self.login("bob", "pass")
|
||
|
|
self.chris = self.register_user("chris", "pass")
|
||
|
|
self.chris_token = self.login("chris", "pass")
|
||
|
|
|
||
|
|
# Create a room on this homeserver.
|
||
|
|
# Note that this counts as a
|
||
|
|
self.room_id = self.helper.create_room_as(self.alice, tok=self.alice_token)
|
||
|
|
self.intially_unjoined_room_id = "!example:otherhs"
|
||
|
|
|
||
|
|
@override_config({"rc_joins_per_room": {"per_second": 0, "burst_count": 2}})
|
||
|
|
def test_local_users_joining_on_another_worker_contribute_to_rate_limit(
|
||
|
|
self,
|
||
|
|
) -> None:
|
||
|
|
# The rate limiter has accumulated one token from Alice's join after the create
|
||
|
|
# event.
|
||
|
|
self.replicate()
|
||
|
|
|
||
|
|
# Spawn another worker and have bob join via it.
|
||
|
|
worker_app = self.make_worker_hs(
|
||
|
|
"synapse.app.generic_worker", extra_config={"worker_name": "other worker"}
|
||
|
|
)
|
||
|
|
worker_site = self._hs_to_site[worker_app]
|
||
|
|
channel = make_request(
|
||
|
|
self.reactor,
|
||
|
|
worker_site,
|
||
|
|
"POST",
|
||
|
|
f"/_matrix/client/v3/rooms/{self.room_id}/join",
|
||
|
|
access_token=self.bob_token,
|
||
|
|
)
|
||
|
|
self.assertEqual(channel.code, HTTPStatus.OK, channel.json_body)
|
||
|
|
|
||
|
|
# wait for join to arrive over replication
|
||
|
|
self.replicate()
|
||
|
|
|
||
|
|
# Try to join as Chris on the worker. Should get denied because Alice
|
||
|
|
# and Bob have both joined the room.
|
||
|
|
self.get_failure(
|
||
|
|
worker_app.get_room_member_handler().update_membership(
|
||
|
|
requester=create_requester(self.chris),
|
||
|
|
target=UserID.from_string(self.chris),
|
||
|
|
room_id=self.room_id,
|
||
|
|
action=Membership.JOIN,
|
||
|
|
),
|
||
|
|
LimitExceededError,
|
||
|
|
)
|
||
|
|
|
||
|
|
# Try to join as Chris on the original worker. Should get denied because Alice
|
||
|
|
# and Bob have both joined the room.
|
||
|
|
self.get_failure(
|
||
|
|
self.handler.update_membership(
|
||
|
|
requester=create_requester(self.chris),
|
||
|
|
target=UserID.from_string(self.chris),
|
||
|
|
room_id=self.room_id,
|
||
|
|
action=Membership.JOIN,
|
||
|
|
),
|
||
|
|
LimitExceededError,
|
||
|
|
)
|