309 lines
11 KiB
Python
309 lines
11 KiB
Python
# Copyright 2018 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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import logging
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from typing import Optional
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from unittest.mock import patch
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from synapse.api.room_versions import RoomVersions
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from synapse.events import EventBase, make_event_from_dict
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from synapse.events.snapshot import EventContext
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from synapse.types import JsonDict, create_requester
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from synapse.visibility import filter_events_for_client, filter_events_for_server
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from tests import unittest
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from tests.utils import create_room
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logger = logging.getLogger(__name__)
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TEST_ROOM_ID = "!TEST:ROOM"
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class FilterEventsForServerTestCase(unittest.HomeserverTestCase):
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def setUp(self) -> None:
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super(FilterEventsForServerTestCase, self).setUp()
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self.event_creation_handler = self.hs.get_event_creation_handler()
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self.event_builder_factory = self.hs.get_event_builder_factory()
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self.storage = self.hs.get_storage()
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self.get_success(create_room(self.hs, TEST_ROOM_ID, "@someone:ROOM"))
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def test_filtering(self) -> None:
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#
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# The events to be filtered consist of 10 membership events (it doesn't
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# really matter if they are joins or leaves, so let's make them joins).
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# One of those membership events is going to be for a user on the
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# server we are filtering for (so we can check the filtering is doing
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# the right thing).
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#
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# before we do that, we persist some other events to act as state.
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self._inject_visibility("@admin:hs", "joined")
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for i in range(0, 10):
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self._inject_room_member("@resident%i:hs" % i)
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events_to_filter = []
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for i in range(0, 10):
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user = "@user%i:%s" % (i, "test_server" if i == 5 else "other_server")
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evt = self._inject_room_member(user, extra_content={"a": "b"})
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events_to_filter.append(evt)
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filtered = self.get_success(
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filter_events_for_server(self.storage, "test_server", events_to_filter)
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)
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# the result should be 5 redacted events, and 5 unredacted events.
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for i in range(0, 5):
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self.assertEqual(events_to_filter[i].event_id, filtered[i].event_id)
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self.assertNotIn("a", filtered[i].content)
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for i in range(5, 10):
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self.assertEqual(events_to_filter[i].event_id, filtered[i].event_id)
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self.assertEqual(filtered[i].content["a"], "b")
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def test_filter_outlier(self) -> None:
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# outlier events must be returned, for the good of the collective federation
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self._inject_room_member("@resident:remote_hs")
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self._inject_visibility("@resident:remote_hs", "joined")
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outlier = self._inject_outlier()
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self.assertEqual(
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self.get_success(
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filter_events_for_server(self.storage, "remote_hs", [outlier])
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),
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[outlier],
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)
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# it should also work when there are other events in the list
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evt = self._inject_message("@unerased:local_hs")
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filtered = self.get_success(
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filter_events_for_server(self.storage, "remote_hs", [outlier, evt])
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)
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self.assertEqual(len(filtered), 2, f"expected 2 results, got: {filtered}")
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self.assertEqual(filtered[0], outlier)
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self.assertEqual(filtered[1].event_id, evt.event_id)
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self.assertEqual(filtered[1].content, evt.content)
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# ... but other servers should only be able to see the outlier (the other should
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# be redacted)
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filtered = self.get_success(
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filter_events_for_server(self.storage, "other_server", [outlier, evt])
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)
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self.assertEqual(filtered[0], outlier)
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self.assertEqual(filtered[1].event_id, evt.event_id)
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self.assertNotIn("body", filtered[1].content)
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def test_erased_user(self) -> None:
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# 4 message events, from erased and unerased users, with a membership
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# change in the middle of them.
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events_to_filter = []
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evt = self._inject_message("@unerased:local_hs")
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events_to_filter.append(evt)
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evt = self._inject_message("@erased:local_hs")
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events_to_filter.append(evt)
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evt = self._inject_room_member("@joiner:remote_hs")
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events_to_filter.append(evt)
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evt = self._inject_message("@unerased:local_hs")
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events_to_filter.append(evt)
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evt = self._inject_message("@erased:local_hs")
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events_to_filter.append(evt)
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# the erasey user gets erased
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self.get_success(
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self.hs.get_datastores().main.mark_user_erased("@erased:local_hs")
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)
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# ... and the filtering happens.
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filtered = self.get_success(
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filter_events_for_server(self.storage, "test_server", events_to_filter)
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)
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for i in range(0, len(events_to_filter)):
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self.assertEqual(
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events_to_filter[i].event_id,
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filtered[i].event_id,
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"Unexpected event at result position %i" % (i,),
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)
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for i in (0, 3):
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self.assertEqual(
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events_to_filter[i].content["body"],
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filtered[i].content["body"],
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"Unexpected event content at result position %i" % (i,),
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)
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for i in (1, 4):
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self.assertNotIn("body", filtered[i].content)
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def _inject_visibility(self, user_id: str, visibility: str) -> EventBase:
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content = {"history_visibility": visibility}
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builder = self.event_builder_factory.for_room_version(
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RoomVersions.V1,
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{
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"type": "m.room.history_visibility",
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"sender": user_id,
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"state_key": "",
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"room_id": TEST_ROOM_ID,
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"content": content,
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},
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)
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event, context = self.get_success(
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self.event_creation_handler.create_new_client_event(builder)
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)
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self.get_success(self.storage.persistence.persist_event(event, context))
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return event
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def _inject_room_member(
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self,
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user_id: str,
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membership: str = "join",
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extra_content: Optional[JsonDict] = None,
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) -> EventBase:
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content = {"membership": membership}
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content.update(extra_content or {})
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builder = self.event_builder_factory.for_room_version(
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RoomVersions.V1,
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{
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"type": "m.room.member",
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"sender": user_id,
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"state_key": user_id,
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"room_id": TEST_ROOM_ID,
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"content": content,
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},
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)
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event, context = self.get_success(
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self.event_creation_handler.create_new_client_event(builder)
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)
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self.get_success(self.storage.persistence.persist_event(event, context))
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return event
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def _inject_message(
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self, user_id: str, content: Optional[JsonDict] = None
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) -> EventBase:
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if content is None:
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content = {"body": "testytest", "msgtype": "m.text"}
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builder = self.event_builder_factory.for_room_version(
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RoomVersions.V1,
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{
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"type": "m.room.message",
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"sender": user_id,
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"room_id": TEST_ROOM_ID,
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"content": content,
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},
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)
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event, context = self.get_success(
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self.event_creation_handler.create_new_client_event(builder)
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)
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self.get_success(self.storage.persistence.persist_event(event, context))
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return event
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def _inject_outlier(self) -> EventBase:
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builder = self.event_builder_factory.for_room_version(
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RoomVersions.V1,
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{
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"type": "m.room.member",
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"sender": "@test:user",
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"state_key": "@test:user",
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"room_id": TEST_ROOM_ID,
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"content": {"membership": "join"},
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},
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)
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event = self.get_success(builder.build(prev_event_ids=[], auth_event_ids=[]))
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event.internal_metadata.outlier = True
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self.get_success(
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self.storage.persistence.persist_event(event, EventContext.for_outlier())
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)
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return event
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class FilterEventsForClientTestCase(unittest.FederatingHomeserverTestCase):
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def test_out_of_band_invite_rejection(self):
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# this is where we have received an invite event over federation, and then
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# rejected it.
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invite_pdu = {
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"room_id": "!room:id",
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"depth": 1,
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"auth_events": [],
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"prev_events": [],
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"origin_server_ts": 1,
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"sender": "@someone:" + self.OTHER_SERVER_NAME,
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"type": "m.room.member",
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"state_key": "@user:test",
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"content": {"membership": "invite"},
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}
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self.add_hashes_and_signatures(invite_pdu)
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invite_event_id = make_event_from_dict(invite_pdu, RoomVersions.V9).event_id
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self.get_success(
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self.hs.get_federation_server().on_invite_request(
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self.OTHER_SERVER_NAME,
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invite_pdu,
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"9",
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)
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)
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# stub out do_remotely_reject_invite so that we fall back to a locally-
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# generated rejection
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with patch.object(
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self.hs.get_federation_handler(),
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"do_remotely_reject_invite",
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side_effect=Exception(),
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):
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reject_event_id, _ = self.get_success(
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self.hs.get_room_member_handler().remote_reject_invite(
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invite_event_id,
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txn_id=None,
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requester=create_requester("@user:test"),
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content={},
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)
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)
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invite_event, reject_event = self.get_success(
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self.hs.get_datastores().main.get_events_as_list(
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[invite_event_id, reject_event_id]
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)
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)
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# the invited user should be able to see both the invite and the rejection
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self.assertEqual(
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self.get_success(
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filter_events_for_client(
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self.hs.get_storage(), "@user:test", [invite_event, reject_event]
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)
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),
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[invite_event, reject_event],
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)
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# other users should see neither
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self.assertEqual(
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self.get_success(
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filter_events_for_client(
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self.hs.get_storage(), "@other:test", [invite_event, reject_event]
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)
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),
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[],
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)
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