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synapse/tests/rest/client/test_redactions.py
Erik Johnston 57dd41a45b
Fix comments
Co-Authored-By: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>
2019-09-11 13:54:50 +01:00

204 lines
8 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2019 The Matrix.org Foundation 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.
from synapse.rest import admin
from synapse.rest.client.v1 import login, room
from synapse.rest.client.v2_alpha import sync
from tests.unittest import HomeserverTestCase
class RedactionsTestCase(HomeserverTestCase):
"""Tests that various redaction events are handled correctly"""
servlets = [
admin.register_servlets,
room.register_servlets,
login.register_servlets,
sync.register_servlets,
]
def make_homeserver(self, reactor, clock):
config = self.default_config()
config["rc_message"] = {"per_second": 0.2, "burst_count": 10}
config["rc_admin_redaction"] = {"per_second": 1, "burst_count": 100}
return self.setup_test_homeserver(config=config)
def prepare(self, reactor, clock, hs):
# register a couple of users
self.mod_user_id = self.register_user("user1", "pass")
self.mod_access_token = self.login("user1", "pass")
self.other_user_id = self.register_user("otheruser", "pass")
self.other_access_token = self.login("otheruser", "pass")
# Create a room
self.room_id = self.helper.create_room_as(
self.mod_user_id, tok=self.mod_access_token
)
# Invite the other user
self.helper.invite(
room=self.room_id,
src=self.mod_user_id,
tok=self.mod_access_token,
targ=self.other_user_id,
)
# The other user joins
self.helper.join(
room=self.room_id, user=self.other_user_id, tok=self.other_access_token
)
def _redact_event(self, access_token, room_id, event_id, expect_code=200):
"""Helper function to send a redaction event.
Returns the json body.
"""
path = "/_matrix/client/r0/rooms/%s/redact/%s" % (room_id, event_id)
request, channel = self.make_request(
"POST", path, content={}, access_token=access_token
)
self.render(request)
self.assertEqual(int(channel.result["code"]), expect_code)
return channel.json_body
def _sync_room_timeline(self, access_token, room_id):
request, channel = self.make_request(
"GET", "sync", access_token=self.mod_access_token
)
self.render(request)
self.assertEqual(channel.result["code"], b"200")
room_sync = channel.json_body["rooms"]["join"][room_id]
return room_sync["timeline"]["events"]
def test_redact_event_as_moderator(self):
# as a regular user, send a message to redact
b = self.helper.send(room_id=self.room_id, tok=self.other_access_token)
msg_id = b["event_id"]
# as the moderator, send a redaction
b = self._redact_event(self.mod_access_token, self.room_id, msg_id)
redaction_id = b["event_id"]
# now sync
timeline = self._sync_room_timeline(self.mod_access_token, self.room_id)
# the last event should be the redaction
self.assertEqual(timeline[-1]["event_id"], redaction_id)
self.assertEqual(timeline[-1]["redacts"], msg_id)
# and the penultimate should be the redacted original
self.assertEqual(timeline[-2]["event_id"], msg_id)
self.assertEqual(timeline[-2]["unsigned"]["redacted_by"], redaction_id)
self.assertEqual(timeline[-2]["content"], {})
def test_redact_event_as_normal(self):
# as a regular user, send a message to redact
b = self.helper.send(room_id=self.room_id, tok=self.other_access_token)
normal_msg_id = b["event_id"]
# also send one as the admin
b = self.helper.send(room_id=self.room_id, tok=self.mod_access_token)
admin_msg_id = b["event_id"]
# as a normal, try to redact the admin's event
self._redact_event(
self.other_access_token, self.room_id, admin_msg_id, expect_code=403
)
# now try to redact our own event
b = self._redact_event(self.other_access_token, self.room_id, normal_msg_id)
redaction_id = b["event_id"]
# now sync
timeline = self._sync_room_timeline(self.other_access_token, self.room_id)
# the last event should be the redaction of the normal event
self.assertEqual(timeline[-1]["event_id"], redaction_id)
self.assertEqual(timeline[-1]["redacts"], normal_msg_id)
# the penultimate should be the unredacted one from the admin
self.assertEqual(timeline[-2]["event_id"], admin_msg_id)
self.assertNotIn("redacted_by", timeline[-2]["unsigned"])
self.assertTrue(timeline[-2]["content"]["body"], {})
# and the antepenultimate should be the redacted normal
self.assertEqual(timeline[-3]["event_id"], normal_msg_id)
self.assertEqual(timeline[-3]["unsigned"]["redacted_by"], redaction_id)
self.assertEqual(timeline[-3]["content"], {})
def test_redact_nonexistent_event(self):
# control case: an existing event
b = self.helper.send(room_id=self.room_id, tok=self.other_access_token)
msg_id = b["event_id"]
b = self._redact_event(self.other_access_token, self.room_id, msg_id)
redaction_id = b["event_id"]
# room moderators can send redactions for non-existent events
self._redact_event(self.mod_access_token, self.room_id, "$zzz")
# ... but normals cannot
self._redact_event(
self.other_access_token, self.room_id, "$zzz", expect_code=404
)
# when we sync, we should see only the valid redaction
timeline = self._sync_room_timeline(self.other_access_token, self.room_id)
self.assertEqual(timeline[-1]["event_id"], redaction_id)
self.assertEqual(timeline[-1]["redacts"], msg_id)
# and the penultimate should be the redacted original
self.assertEqual(timeline[-2]["event_id"], msg_id)
self.assertEqual(timeline[-2]["unsigned"]["redacted_by"], redaction_id)
self.assertEqual(timeline[-2]["content"], {})
def test_redact_create_event(self):
# control case: an existing event
b = self.helper.send(room_id=self.room_id, tok=self.mod_access_token)
msg_id = b["event_id"]
self._redact_event(self.mod_access_token, self.room_id, msg_id)
# sync the room, to get the id of the create event
timeline = self._sync_room_timeline(self.other_access_token, self.room_id)
create_event_id = timeline[0]["event_id"]
# room moderators cannot send redactions for create events
self._redact_event(
self.mod_access_token, self.room_id, create_event_id, expect_code=403
)
# and nor can normals
self._redact_event(
self.other_access_token, self.room_id, create_event_id, expect_code=403
)
def test_redact_event_as_moderator_ratelimit(self):
"""Tests that the correct ratelimiting is applied to redactions
"""
message_ids = []
# as a regular user, send messages to redact
for _ in range(20):
b = self.helper.send(room_id=self.room_id, tok=self.other_access_token)
message_ids.append(b["event_id"])
self.reactor.advance(10) # To get around ratelimits
# as the moderator, send a bunch of redactions
for msg_id in message_ids:
# These should all succeed, even though this would be denied by
# the standard message ratelimiter
self._redact_event(self.mod_access_token, self.room_id, msg_id)