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2503126d52
This moves `redacts` from being a top-level property to a `content` property in a new room version. MSC2176 (which was previously implemented) states to not `redact` this property.
503 lines
19 KiB
Python
503 lines
19 KiB
Python
# Copyright 2019 The Matrix.org Foundation C.I.C.
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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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from typing import List, Optional
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from twisted.test.proto_helpers import MemoryReactor
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from synapse.api.constants import EventTypes, RelationTypes
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from synapse.api.room_versions import RoomVersions
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from synapse.rest import admin
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from synapse.rest.client import login, room, sync
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from synapse.server import HomeServer
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from synapse.types import JsonDict
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from synapse.util import Clock
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from tests.unittest import HomeserverTestCase, override_config
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class RedactionsTestCase(HomeserverTestCase):
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"""Tests that various redaction events are handled correctly"""
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servlets = [
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admin.register_servlets,
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room.register_servlets,
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login.register_servlets,
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sync.register_servlets,
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]
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def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer:
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config = self.default_config()
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config["rc_message"] = {"per_second": 0.2, "burst_count": 10}
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config["rc_admin_redaction"] = {"per_second": 1, "burst_count": 100}
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return self.setup_test_homeserver(config=config)
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def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
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# register a couple of users
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self.mod_user_id = self.register_user("user1", "pass")
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self.mod_access_token = self.login("user1", "pass")
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self.other_user_id = self.register_user("otheruser", "pass")
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self.other_access_token = self.login("otheruser", "pass")
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# Create a room
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self.room_id = self.helper.create_room_as(
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self.mod_user_id, tok=self.mod_access_token
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)
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# Invite the other user
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self.helper.invite(
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room=self.room_id,
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src=self.mod_user_id,
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tok=self.mod_access_token,
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targ=self.other_user_id,
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)
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# The other user joins
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self.helper.join(
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room=self.room_id, user=self.other_user_id, tok=self.other_access_token
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)
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def _redact_event(
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self,
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access_token: str,
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room_id: str,
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event_id: str,
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expect_code: int = 200,
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with_relations: Optional[List[str]] = None,
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content: Optional[JsonDict] = None,
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) -> JsonDict:
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"""Helper function to send a redaction event.
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Returns the json body.
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"""
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path = "/_matrix/client/r0/rooms/%s/redact/%s" % (room_id, event_id)
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request_content = content or {}
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if with_relations:
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request_content["org.matrix.msc3912.with_relations"] = with_relations
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channel = self.make_request(
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"POST", path, request_content, access_token=access_token
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)
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self.assertEqual(channel.code, expect_code)
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return channel.json_body
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def _sync_room_timeline(self, access_token: str, room_id: str) -> List[JsonDict]:
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channel = self.make_request("GET", "sync", access_token=access_token)
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self.assertEqual(channel.code, 200)
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room_sync = channel.json_body["rooms"]["join"][room_id]
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return room_sync["timeline"]["events"]
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def test_redact_event_as_moderator(self) -> None:
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# as a regular user, send a message to redact
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b = self.helper.send(room_id=self.room_id, tok=self.other_access_token)
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msg_id = b["event_id"]
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# as the moderator, send a redaction
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b = self._redact_event(self.mod_access_token, self.room_id, msg_id)
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redaction_id = b["event_id"]
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# now sync
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timeline = self._sync_room_timeline(self.mod_access_token, self.room_id)
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# the last event should be the redaction
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self.assertEqual(timeline[-1]["event_id"], redaction_id)
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self.assertEqual(timeline[-1]["redacts"], msg_id)
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# and the penultimate should be the redacted original
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self.assertEqual(timeline[-2]["event_id"], msg_id)
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self.assertEqual(timeline[-2]["unsigned"]["redacted_by"], redaction_id)
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self.assertEqual(timeline[-2]["content"], {})
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def test_redact_event_as_normal(self) -> None:
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# as a regular user, send a message to redact
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b = self.helper.send(room_id=self.room_id, tok=self.other_access_token)
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normal_msg_id = b["event_id"]
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# also send one as the admin
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b = self.helper.send(room_id=self.room_id, tok=self.mod_access_token)
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admin_msg_id = b["event_id"]
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# as a normal, try to redact the admin's event
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self._redact_event(
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self.other_access_token, self.room_id, admin_msg_id, expect_code=403
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)
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# now try to redact our own event
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b = self._redact_event(self.other_access_token, self.room_id, normal_msg_id)
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redaction_id = b["event_id"]
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# now sync
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timeline = self._sync_room_timeline(self.other_access_token, self.room_id)
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# the last event should be the redaction of the normal event
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self.assertEqual(timeline[-1]["event_id"], redaction_id)
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self.assertEqual(timeline[-1]["redacts"], normal_msg_id)
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# the penultimate should be the unredacted one from the admin
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self.assertEqual(timeline[-2]["event_id"], admin_msg_id)
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self.assertNotIn("redacted_by", timeline[-2]["unsigned"])
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self.assertTrue(timeline[-2]["content"]["body"], {})
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# and the antepenultimate should be the redacted normal
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self.assertEqual(timeline[-3]["event_id"], normal_msg_id)
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self.assertEqual(timeline[-3]["unsigned"]["redacted_by"], redaction_id)
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self.assertEqual(timeline[-3]["content"], {})
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def test_redact_nonexistent_event(self) -> None:
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# control case: an existing event
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b = self.helper.send(room_id=self.room_id, tok=self.other_access_token)
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msg_id = b["event_id"]
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b = self._redact_event(self.other_access_token, self.room_id, msg_id)
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redaction_id = b["event_id"]
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# room moderators can send redactions for non-existent events
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self._redact_event(self.mod_access_token, self.room_id, "$zzz")
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# ... but normals cannot
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self._redact_event(
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self.other_access_token, self.room_id, "$zzz", expect_code=404
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)
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# when we sync, we should see only the valid redaction
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timeline = self._sync_room_timeline(self.other_access_token, self.room_id)
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self.assertEqual(timeline[-1]["event_id"], redaction_id)
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self.assertEqual(timeline[-1]["redacts"], msg_id)
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# and the penultimate should be the redacted original
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self.assertEqual(timeline[-2]["event_id"], msg_id)
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self.assertEqual(timeline[-2]["unsigned"]["redacted_by"], redaction_id)
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self.assertEqual(timeline[-2]["content"], {})
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def test_redact_create_event(self) -> None:
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# control case: an existing event
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b = self.helper.send(room_id=self.room_id, tok=self.mod_access_token)
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msg_id = b["event_id"]
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self._redact_event(self.mod_access_token, self.room_id, msg_id)
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# sync the room, to get the id of the create event
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timeline = self._sync_room_timeline(self.other_access_token, self.room_id)
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create_event_id = timeline[0]["event_id"]
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# room moderators cannot send redactions for create events
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self._redact_event(
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self.mod_access_token, self.room_id, create_event_id, expect_code=403
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)
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# and nor can normals
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self._redact_event(
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self.other_access_token, self.room_id, create_event_id, expect_code=403
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)
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def test_redact_event_as_moderator_ratelimit(self) -> None:
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"""Tests that the correct ratelimiting is applied to redactions"""
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message_ids = []
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# as a regular user, send messages to redact
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for _ in range(20):
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b = self.helper.send(room_id=self.room_id, tok=self.other_access_token)
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message_ids.append(b["event_id"])
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self.reactor.advance(10) # To get around ratelimits
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# as the moderator, send a bunch of redactions
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for msg_id in message_ids:
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# These should all succeed, even though this would be denied by
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# the standard message ratelimiter
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self._redact_event(self.mod_access_token, self.room_id, msg_id)
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@override_config({"experimental_features": {"msc3912_enabled": True}})
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def test_redact_relations(self) -> None:
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"""Tests that we can redact the relations of an event at the same time as the
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event itself.
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"""
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# Send a root event.
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res = self.helper.send_event(
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room_id=self.room_id,
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type=EventTypes.Message,
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content={"msgtype": "m.text", "body": "hello"},
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tok=self.mod_access_token,
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)
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root_event_id = res["event_id"]
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# Send an edit to this root event.
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res = self.helper.send_event(
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room_id=self.room_id,
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type=EventTypes.Message,
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content={
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"body": " * hello world",
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"m.new_content": {
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"body": "hello world",
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"msgtype": "m.text",
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},
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"m.relates_to": {
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"event_id": root_event_id,
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"rel_type": RelationTypes.REPLACE,
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},
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"msgtype": "m.text",
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},
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tok=self.mod_access_token,
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)
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edit_event_id = res["event_id"]
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# Also send a threaded message whose root is the same as the edit's.
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res = self.helper.send_event(
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room_id=self.room_id,
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type=EventTypes.Message,
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content={
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"msgtype": "m.text",
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"body": "message 1",
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"m.relates_to": {
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"event_id": root_event_id,
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"rel_type": RelationTypes.THREAD,
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},
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},
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tok=self.mod_access_token,
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)
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threaded_event_id = res["event_id"]
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# Also send a reaction, again with the same root.
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res = self.helper.send_event(
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room_id=self.room_id,
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type=EventTypes.Reaction,
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content={
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"m.relates_to": {
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"rel_type": RelationTypes.ANNOTATION,
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"event_id": root_event_id,
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"key": "👍",
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}
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},
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tok=self.mod_access_token,
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)
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reaction_event_id = res["event_id"]
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# Redact the root event, specifying that we also want to delete events that
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# relate to it with m.replace.
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self._redact_event(
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self.mod_access_token,
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self.room_id,
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root_event_id,
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with_relations=[
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RelationTypes.REPLACE,
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RelationTypes.THREAD,
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],
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)
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# Check that the root event got redacted.
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event_dict = self.helper.get_event(
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self.room_id, root_event_id, self.mod_access_token
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)
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self.assertIn("redacted_because", event_dict, event_dict)
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# Check that the edit got redacted.
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event_dict = self.helper.get_event(
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self.room_id, edit_event_id, self.mod_access_token
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)
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self.assertIn("redacted_because", event_dict, event_dict)
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# Check that the threaded message got redacted.
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event_dict = self.helper.get_event(
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self.room_id, threaded_event_id, self.mod_access_token
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)
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self.assertIn("redacted_because", event_dict, event_dict)
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# Check that the reaction did not get redacted.
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event_dict = self.helper.get_event(
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self.room_id, reaction_event_id, self.mod_access_token
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)
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self.assertNotIn("redacted_because", event_dict, event_dict)
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@override_config({"experimental_features": {"msc3912_enabled": True}})
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def test_redact_relations_no_perms(self) -> None:
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"""Tests that, when redacting a message along with its relations, if not all
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the related messages can be redacted because of insufficient permissions, the
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server still redacts all the ones that can be.
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"""
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# Send a root event.
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res = self.helper.send_event(
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room_id=self.room_id,
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type=EventTypes.Message,
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content={
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"msgtype": "m.text",
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"body": "root",
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},
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tok=self.other_access_token,
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)
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root_event_id = res["event_id"]
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# Send a first threaded message, this one from the moderator. We do this for the
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# first message with the m.thread relation (and not the last one) to ensure
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# that, when the server fails to redact it, it doesn't stop there, and it
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# instead goes on to redact the other one.
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res = self.helper.send_event(
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room_id=self.room_id,
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type=EventTypes.Message,
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content={
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"msgtype": "m.text",
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"body": "message 1",
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"m.relates_to": {
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"event_id": root_event_id,
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"rel_type": RelationTypes.THREAD,
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},
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},
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tok=self.mod_access_token,
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)
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first_threaded_event_id = res["event_id"]
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# Send a second threaded message, this time from the user who'll perform the
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# redaction.
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res = self.helper.send_event(
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room_id=self.room_id,
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type=EventTypes.Message,
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content={
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"msgtype": "m.text",
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"body": "message 2",
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"m.relates_to": {
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"event_id": root_event_id,
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"rel_type": RelationTypes.THREAD,
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},
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},
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tok=self.other_access_token,
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)
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second_threaded_event_id = res["event_id"]
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# Redact the thread's root, and request that all threaded messages are also
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# redacted. Send that request from the non-mod user, so that the first threaded
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# event cannot be redacted.
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self._redact_event(
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self.other_access_token,
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self.room_id,
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root_event_id,
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with_relations=[RelationTypes.THREAD],
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)
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# Check that the thread root got redacted.
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event_dict = self.helper.get_event(
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self.room_id, root_event_id, self.other_access_token
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)
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self.assertIn("redacted_because", event_dict, event_dict)
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# Check that the last message in the thread got redacted, despite failing to
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# redact the one before it.
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event_dict = self.helper.get_event(
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self.room_id, second_threaded_event_id, self.other_access_token
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)
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self.assertIn("redacted_because", event_dict, event_dict)
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# Check that the message that was sent into the tread by the mod user is not
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# redacted.
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event_dict = self.helper.get_event(
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self.room_id, first_threaded_event_id, self.other_access_token
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)
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self.assertIn("body", event_dict["content"], event_dict)
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self.assertEqual("message 1", event_dict["content"]["body"])
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@override_config({"experimental_features": {"msc3912_enabled": True}})
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def test_redact_relations_txn_id_reuse(self) -> None:
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"""Tests that redacting a message using a transaction ID, then reusing the same
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transaction ID but providing an additional list of relations to redact, is
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effectively a no-op.
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"""
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# Send a root event.
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res = self.helper.send_event(
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room_id=self.room_id,
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type=EventTypes.Message,
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content={
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"msgtype": "m.text",
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"body": "root",
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},
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tok=self.mod_access_token,
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)
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root_event_id = res["event_id"]
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# Send a first threaded message.
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res = self.helper.send_event(
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room_id=self.room_id,
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type=EventTypes.Message,
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content={
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"msgtype": "m.text",
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"body": "I'm in a thread!",
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"m.relates_to": {
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"event_id": root_event_id,
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"rel_type": RelationTypes.THREAD,
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},
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},
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tok=self.mod_access_token,
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)
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threaded_event_id = res["event_id"]
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# Send a first redaction request which redacts only the root event.
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channel = self.make_request(
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method="PUT",
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path=f"/rooms/{self.room_id}/redact/{root_event_id}/foo",
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content={},
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access_token=self.mod_access_token,
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)
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self.assertEqual(channel.code, 200)
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# Send a second redaction request which redacts the root event as well as
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# threaded messages.
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channel = self.make_request(
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method="PUT",
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path=f"/rooms/{self.room_id}/redact/{root_event_id}/foo",
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content={"org.matrix.msc3912.with_relations": [RelationTypes.THREAD]},
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access_token=self.mod_access_token,
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)
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self.assertEqual(channel.code, 200)
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# Check that the root event got redacted.
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event_dict = self.helper.get_event(
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self.room_id, root_event_id, self.mod_access_token
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)
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self.assertIn("redacted_because", event_dict)
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# Check that the threaded message didn't get redacted (since that wasn't part of
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# the original redaction).
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event_dict = self.helper.get_event(
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self.room_id, threaded_event_id, self.mod_access_token
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)
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self.assertIn("body", event_dict["content"], event_dict)
|
|
self.assertEqual("I'm in a thread!", event_dict["content"]["body"])
|
|
|
|
def test_content_redaction(self) -> None:
|
|
"""MSC2174 moved the redacts property to the content."""
|
|
# Create a room with the newer room version.
|
|
room_id = self.helper.create_room_as(
|
|
self.mod_user_id,
|
|
tok=self.mod_access_token,
|
|
room_version=RoomVersions.MSC2176.identifier,
|
|
)
|
|
|
|
# Create an event.
|
|
b = self.helper.send(room_id=room_id, tok=self.mod_access_token)
|
|
event_id = b["event_id"]
|
|
|
|
# Attempt to redact it with a bogus event ID.
|
|
self._redact_event(
|
|
self.mod_access_token,
|
|
room_id,
|
|
event_id,
|
|
expect_code=400,
|
|
content={"redacts": "foo"},
|
|
)
|
|
|
|
# Redact it for real.
|
|
self._redact_event(self.mod_access_token, room_id, event_id)
|
|
|
|
# Sync the room, to get the id of the create event
|
|
timeline = self._sync_room_timeline(self.mod_access_token, room_id)
|
|
redact_event = timeline[-1]
|
|
self.assertEqual(redact_event["type"], EventTypes.Redaction)
|
|
# The redacts key should be in the content.
|
|
self.assertNotIn("redacts", redact_event)
|
|
self.assertEquals(redact_event["content"]["redacts"], event_id)
|