synapse-old/tests/test_visibility.py

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