# Copyright 2018 New Vector Ltd # Copyright 2019 Matrix.org Federation 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. import logging from http import HTTPStatus from parameterized import parameterized from twisted.test.proto_helpers import MemoryReactor from synapse.api.room_versions import KNOWN_ROOM_VERSIONS from synapse.config.server import DEFAULT_ROOM_VERSION from synapse.events import EventBase, make_event_from_dict from synapse.federation.federation_server import server_matches_acl_event from synapse.rest import admin from synapse.rest.client import login, room from synapse.server import HomeServer from synapse.types import JsonDict from synapse.util import Clock from tests import unittest from tests.unittest import override_config class FederationServerTests(unittest.FederatingHomeserverTestCase): servlets = [ admin.register_servlets, room.register_servlets, login.register_servlets, ] @parameterized.expand([(b"",), (b"foo",), (b'{"limit": Infinity}',)]) def test_bad_request(self, query_content: bytes) -> None: """ Querying with bad data returns a reasonable error code. """ u1 = self.register_user("u1", "pass") u1_token = self.login("u1", "pass") room_1 = self.helper.create_room_as(u1, tok=u1_token) self.inject_room_member(room_1, "@user:other.example.com", "join") "/get_missing_events/(?P[^/]*)/?" channel = self.make_request( "POST", "/_matrix/federation/v1/get_missing_events/%s" % (room_1,), query_content, ) self.assertEqual(HTTPStatus.BAD_REQUEST, channel.code, channel.result) self.assertEqual(channel.json_body["errcode"], "M_NOT_JSON") class ServerACLsTestCase(unittest.TestCase): def test_blacklisted_server(self) -> None: e = _create_acl_event({"allow": ["*"], "deny": ["evil.com"]}) logging.info("ACL event: %s", e.content) self.assertFalse(server_matches_acl_event("evil.com", e)) self.assertFalse(server_matches_acl_event("EVIL.COM", e)) self.assertTrue(server_matches_acl_event("evil.com.au", e)) self.assertTrue(server_matches_acl_event("honestly.not.evil.com", e)) def test_block_ip_literals(self) -> None: e = _create_acl_event({"allow_ip_literals": False, "allow": ["*"]}) logging.info("ACL event: %s", e.content) self.assertFalse(server_matches_acl_event("1.2.3.4", e)) self.assertTrue(server_matches_acl_event("1a.2.3.4", e)) self.assertFalse(server_matches_acl_event("[1:2::]", e)) self.assertTrue(server_matches_acl_event("1:2:3:4", e)) def test_wildcard_matching(self) -> None: e = _create_acl_event({"allow": ["good*.com"]}) self.assertTrue( server_matches_acl_event("good.com", e), "* matches 0 characters", ) self.assertTrue( server_matches_acl_event("GOOD.COM", e), "pattern is case-insensitive", ) self.assertTrue( server_matches_acl_event("good.aa.com", e), "* matches several characters, including '.'", ) self.assertFalse( server_matches_acl_event("ishgood.com", e), "pattern does not allow prefixes", ) class StateQueryTests(unittest.FederatingHomeserverTestCase): servlets = [ admin.register_servlets, room.register_servlets, login.register_servlets, ] def test_needs_to_be_in_room(self) -> None: """/v1/state/ requires the server to be in the room""" u1 = self.register_user("u1", "pass") u1_token = self.login("u1", "pass") room_1 = self.helper.create_room_as(u1, tok=u1_token) channel = self.make_signed_federation_request( "GET", "/_matrix/federation/v1/state/%s?event_id=xyz" % (room_1,) ) self.assertEqual(HTTPStatus.FORBIDDEN, channel.code, channel.result) self.assertEqual(channel.json_body["errcode"], "M_FORBIDDEN") class SendJoinFederationTests(unittest.FederatingHomeserverTestCase): servlets = [ admin.register_servlets, room.register_servlets, login.register_servlets, ] def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None: super().prepare(reactor, clock, hs) self._storage_controllers = hs.get_storage_controllers() # create the room creator_user_id = self.register_user("kermit", "test") tok = self.login("kermit", "test") self._room_id = self.helper.create_room_as( room_creator=creator_user_id, tok=tok ) # a second member on the orgin HS second_member_user_id = self.register_user("fozzie", "bear") tok2 = self.login("fozzie", "bear") self.helper.join(self._room_id, second_member_user_id, tok=tok2) def _make_join(self, user_id: str) -> JsonDict: channel = self.make_signed_federation_request( "GET", f"/_matrix/federation/v1/make_join/{self._room_id}/{user_id}" f"?ver={DEFAULT_ROOM_VERSION}", ) self.assertEqual(channel.code, HTTPStatus.OK, channel.json_body) return channel.json_body def test_send_join(self) -> None: """happy-path test of send_join""" joining_user = "@misspiggy:" + self.OTHER_SERVER_NAME join_result = self._make_join(joining_user) join_event_dict = join_result["event"] self.add_hashes_and_signatures_from_other_server( join_event_dict, KNOWN_ROOM_VERSIONS[DEFAULT_ROOM_VERSION], ) channel = self.make_signed_federation_request( "PUT", f"/_matrix/federation/v2/send_join/{self._room_id}/x", content=join_event_dict, ) self.assertEqual(channel.code, HTTPStatus.OK, channel.json_body) # we should get complete room state back returned_state = [ (ev["type"], ev["state_key"]) for ev in channel.json_body["state"] ] self.assertCountEqual( returned_state, [ ("m.room.create", ""), ("m.room.power_levels", ""), ("m.room.join_rules", ""), ("m.room.history_visibility", ""), ("m.room.member", "@kermit:test"), ("m.room.member", "@fozzie:test"), # nb: *not* the joining user ], ) # also check the auth chain returned_auth_chain_events = [ (ev["type"], ev["state_key"]) for ev in channel.json_body["auth_chain"] ] self.assertCountEqual( returned_auth_chain_events, [ ("m.room.create", ""), ("m.room.member", "@kermit:test"), ("m.room.power_levels", ""), ("m.room.join_rules", ""), ], ) # the room should show that the new user is a member r = self.get_success( self._storage_controllers.state.get_current_state(self._room_id) ) self.assertEqual(r[("m.room.member", joining_user)].membership, "join") def test_send_join_partial_state(self) -> None: """/send_join should return partial state, if requested""" joining_user = "@misspiggy:" + self.OTHER_SERVER_NAME join_result = self._make_join(joining_user) join_event_dict = join_result["event"] self.add_hashes_and_signatures_from_other_server( join_event_dict, KNOWN_ROOM_VERSIONS[DEFAULT_ROOM_VERSION], ) channel = self.make_signed_federation_request( "PUT", f"/_matrix/federation/v2/send_join/{self._room_id}/x?omit_members=true", content=join_event_dict, ) self.assertEqual(channel.code, HTTPStatus.OK, channel.json_body) # expect a reduced room state returned_state = [ (ev["type"], ev["state_key"]) for ev in channel.json_body["state"] ] self.assertCountEqual( returned_state, [ ("m.room.create", ""), ("m.room.power_levels", ""), ("m.room.join_rules", ""), ("m.room.history_visibility", ""), # Users included here because they're heroes. ("m.room.member", "@kermit:test"), ("m.room.member", "@fozzie:test"), ], ) # the auth chain should not include anything already in "state" returned_auth_chain_events = [ (ev["type"], ev["state_key"]) for ev in channel.json_body["auth_chain"] ] self.assertCountEqual( returned_auth_chain_events, # TODO: change the test so that we get at least one event in the auth chain # here. [], ) # the room should show that the new user is a member r = self.get_success( self._storage_controllers.state.get_current_state(self._room_id) ) self.assertEqual(r[("m.room.member", joining_user)].membership, "join") @override_config({"rc_joins_per_room": {"per_second": 0, "burst_count": 3}}) def test_make_join_respects_room_join_rate_limit(self) -> None: # In the test setup, two users join the room. Since the rate limiter burst # count is 3, a new make_join request to the room should be accepted. joining_user = "@ronniecorbett:" + self.OTHER_SERVER_NAME self._make_join(joining_user) # Now have a new local user join the room. This saturates the rate limiter # bucket, so the next make_join should be denied. new_local_user = self.register_user("animal", "animal") token = self.login("animal", "animal") self.helper.join(self._room_id, new_local_user, tok=token) joining_user = "@ronniebarker:" + self.OTHER_SERVER_NAME channel = self.make_signed_federation_request( "GET", f"/_matrix/federation/v1/make_join/{self._room_id}/{joining_user}" f"?ver={DEFAULT_ROOM_VERSION}", ) self.assertEqual(channel.code, HTTPStatus.TOO_MANY_REQUESTS, channel.json_body) @override_config({"rc_joins_per_room": {"per_second": 0, "burst_count": 3}}) def test_send_join_contributes_to_room_join_rate_limit_and_is_limited(self) -> None: # Make two make_join requests up front. (These are rate limited, but do not # contribute to the rate limit.) join_event_dicts = [] for i in range(2): joining_user = f"@misspiggy{i}:{self.OTHER_SERVER_NAME}" join_result = self._make_join(joining_user) join_event_dict = join_result["event"] self.add_hashes_and_signatures_from_other_server( join_event_dict, KNOWN_ROOM_VERSIONS[DEFAULT_ROOM_VERSION], ) join_event_dicts.append(join_event_dict) # In the test setup, two users join the room. Since the rate limiter burst # count is 3, the first send_join should be accepted... channel = self.make_signed_federation_request( "PUT", f"/_matrix/federation/v2/send_join/{self._room_id}/join0", content=join_event_dicts[0], ) self.assertEqual(channel.code, 200, channel.json_body) # ... but the second should be denied. channel = self.make_signed_federation_request( "PUT", f"/_matrix/federation/v2/send_join/{self._room_id}/join1", content=join_event_dicts[1], ) self.assertEqual(channel.code, HTTPStatus.TOO_MANY_REQUESTS, channel.json_body) # NB: we could write a test which checks that the send_join event is seen # by other workers over replication, and that they update their rate limit # buckets accordingly. I'm going to assume that the join event gets sent over # replication, at which point the tests.handlers.room_member test # test_local_users_joining_on_another_worker_contribute_to_rate_limit # is probably sufficient to reassure that the bucket is updated. def _create_acl_event(content: JsonDict) -> EventBase: return make_event_from_dict( { "room_id": "!a:b", "event_id": "$a:b", "type": "m.room.server_acls", "sender": "@a:b", "content": content, } )