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# Copyright 2020 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 mock import Mock, patch
import synapse.rest.admin
from synapse.api.constants import EventTypes
from synapse.rest.client.v1 import directory, login, profile, room
from synapse.rest.client.v2_alpha import room_upgrade_rest_servlet
from tests import unittest
class _ShadowBannedBase(unittest.HomeserverTestCase):
def prepare(self, reactor, clock, homeserver):
# Create two users, one of which is shadow-banned.
self.banned_user_id = self.register_user("banned", "test")
self.banned_access_token = self.login("banned", "test")
self.store = self.hs.get_datastore()
self.get_success(
self.store.db_pool.simple_update(
table="users",
keyvalues={"name": self.banned_user_id},
updatevalues={"shadow_banned": True},
desc="shadow_ban",
)
)
self.other_user_id = self.register_user("otheruser", "pass")
self.other_access_token = self.login("otheruser", "pass")
# To avoid the tests timing out don't add a delay to "annoy the requester".
@patch("random.randint", new=lambda a, b: 0)
class RoomTestCase(_ShadowBannedBase):
servlets = [
synapse.rest.admin.register_servlets_for_client_rest_resource,
directory.register_servlets,
login.register_servlets,
room.register_servlets,
room_upgrade_rest_servlet.register_servlets,
]
def test_invite(self):
"""Invites from shadow-banned users don't actually get sent."""
# The create works fine.
room_id = self.helper.create_room_as(
self.banned_user_id, tok=self.banned_access_token
)
# Inviting the user completes successfully.
self.helper.invite(
room=room_id,
src=self.banned_user_id,
tok=self.banned_access_token,
targ=self.other_user_id,
)
# But the user wasn't actually invited.
invited_rooms = self.get_success(
self.store.get_invited_rooms_for_local_user(self.other_user_id)
)
self.assertEqual(invited_rooms, [])
def test_invite_3pid(self):
"""Ensure that a 3PID invite does not attempt to contact the identity server."""
identity_handler = self.hs.get_handlers().identity_handler
identity_handler.lookup_3pid = Mock(
side_effect=AssertionError("This should not get called")
)
# The create works fine.
room_id = self.helper.create_room_as(
self.banned_user_id, tok=self.banned_access_token
)
# Inviting the user completes successfully.
request, channel = self.make_request(
"POST",
"/rooms/%s/invite" % (room_id,),
{"id_server": "test", "medium": "email", "address": "test@test.test"},
access_token=self.banned_access_token,
)
self.render(request)
self.assertEquals(200, channel.code, channel.result)
# This should have raised an error earlier, but double check this wasn't called.
identity_handler.lookup_3pid.assert_not_called()
def test_create_room(self):
"""Invitations during a room creation should be discarded, but the room still gets created."""
# The room creation is successful.
request, channel = self.make_request(
"POST",
"/_matrix/client/r0/createRoom",
{"visibility": "public", "invite": [self.other_user_id]},
access_token=self.banned_access_token,
)
self.render(request)
self.assertEquals(200, channel.code, channel.result)
room_id = channel.json_body["room_id"]
# But the user wasn't actually invited.
invited_rooms = self.get_success(
self.store.get_invited_rooms_for_local_user(self.other_user_id)
)
self.assertEqual(invited_rooms, [])
# Since a real room was created, the other user should be able to join it.
self.helper.join(room_id, self.other_user_id, tok=self.other_access_token)
# Both users should be in the room.
users = self.get_success(self.store.get_users_in_room(room_id))
self.assertCountEqual(users, ["@banned:test", "@otheruser:test"])
def test_message(self):
"""Messages from shadow-banned users don't actually get sent."""
room_id = self.helper.create_room_as(
self.other_user_id, tok=self.other_access_token
)
# The user should be in the room.
self.helper.join(room_id, self.banned_user_id, tok=self.banned_access_token)
# Sending a message should complete successfully.
result = self.helper.send_event(
room_id=room_id,
type=EventTypes.Message,
content={"msgtype": "m.text", "body": "with right label"},
tok=self.banned_access_token,
)
self.assertIn("event_id", result)
event_id = result["event_id"]
latest_events = self.get_success(
self.store.get_latest_event_ids_in_room(room_id)
)
self.assertNotIn(event_id, latest_events)
def test_upgrade(self):
"""A room upgrade should fail, but look like it succeeded."""
# The create works fine.
room_id = self.helper.create_room_as(
self.banned_user_id, tok=self.banned_access_token
)
request, channel = self.make_request(
"POST",
"/_matrix/client/r0/rooms/%s/upgrade" % (room_id,),
{"new_version": "6"},
access_token=self.banned_access_token,
)
self.render(request)
self.assertEquals(200, channel.code, channel.result)
# A new room_id should be returned.
self.assertIn("replacement_room", channel.json_body)
new_room_id = channel.json_body["replacement_room"]
# It doesn't really matter what API we use here, we just want to assert
# that the room doesn't exist.
summary = self.get_success(self.store.get_room_summary(new_room_id))
# The summary should be empty since the room doesn't exist.
self.assertEqual(summary, {})
# To avoid the tests timing out don't add a delay to "annoy the requester".
@patch("random.randint", new=lambda a, b: 0)
class ProfileTestCase(_ShadowBannedBase):
servlets = [
synapse.rest.admin.register_servlets_for_client_rest_resource,
login.register_servlets,
profile.register_servlets,
room.register_servlets,
]
def test_displayname(self):
"""Profile changes should succeed, but don't end up in a room."""
original_display_name = "banned"
new_display_name = "new name"
# Join a room.
room_id = self.helper.create_room_as(
self.banned_user_id, tok=self.banned_access_token
)
# The update should succeed.
request, channel = self.make_request(
"PUT",
"/_matrix/client/r0/profile/%s/displayname" % (self.banned_user_id,),
{"displayname": new_display_name},
access_token=self.banned_access_token,
)
self.render(request)
self.assertEquals(200, channel.code, channel.result)
self.assertEqual(channel.json_body, {})
# The user's display name should be updated.
request, channel = self.make_request(
"GET", "/profile/%s/displayname" % (self.banned_user_id,)
)
self.render(request)
self.assertEqual(channel.code, 200, channel.result)
self.assertEqual(channel.json_body["displayname"], new_display_name)
# But the display name in the room should not be.
message_handler = self.hs.get_message_handler()
event = self.get_success(
message_handler.get_room_data(
self.banned_user_id,
room_id,
"m.room.member",
self.banned_user_id,
False,
)
)
self.assertEqual(
event.content, {"membership": "join", "displayname": original_display_name}
)
def test_room_displayname(self):
"""Changes to state events for a room should be processed, but not end up in the room."""
original_display_name = "banned"
new_display_name = "new name"
# Join a room.
room_id = self.helper.create_room_as(
self.banned_user_id, tok=self.banned_access_token
)
# The update should succeed.
request, channel = self.make_request(
"PUT",
"/_matrix/client/r0/rooms/%s/state/m.room.member/%s"
% (room_id, self.banned_user_id),
{"membership": "join", "displayname": new_display_name},
access_token=self.banned_access_token,
)
self.render(request)
self.assertEquals(200, channel.code, channel.result)
self.assertIn("event_id", channel.json_body)
# The display name in the room should not be changed.
message_handler = self.hs.get_message_handler()
event = self.get_success(
message_handler.get_room_data(
self.banned_user_id,
room_id,
"m.room.member",
self.banned_user_id,
False,
)
)
self.assertEqual(
event.content, {"membership": "join", "displayname": original_display_name}
)
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