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# 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 collections import Counter
from unittest.mock import Mock
import synapse.rest.admin
import synapse.storage
from synapse.api.constants import EventTypes
from synapse.rest.client import login, room
from tests import unittest
class ExfiltrateData(unittest.HomeserverTestCase):
servlets = [
synapse.rest.admin.register_servlets_for_client_rest_resource,
login.register_servlets,
room.register_servlets,
]
def prepare(self, reactor, clock, hs):
self.admin_handler = hs.get_admin_handler()
self.user1 = self.register_user("user1", "password")
self.token1 = self.login("user1", "password")
self.user2 = self.register_user("user2", "password")
self.token2 = self.login("user2", "password")
def test_single_public_joined_room(self):
"""Test that we write *all* events for a public room"""
room_id = self.helper.create_room_as(
self.user1, tok=self.token1, is_public=True
)
self.helper.send(room_id, body="Hello!", tok=self.token1)
self.helper.join(room_id, self.user2, tok=self.token2)
self.helper.send(room_id, body="Hello again!", tok=self.token1)
writer = Mock()
self.get_success(self.admin_handler.export_user_data(self.user2, writer))
writer.write_events.assert_called()
# Since we can see all events there shouldn't be any extremities, so no
# state should be written
writer.write_state.assert_not_called()
# Collect all events that were written
written_events = []
for (called_room_id, events), _ in writer.write_events.call_args_list:
self.assertEqual(called_room_id, room_id)
written_events.extend(events)
# Check that the right number of events were written
counter = Counter(
(event.type, getattr(event, "state_key", None)) for event in written_events
)
self.assertEqual(counter[(EventTypes.Message, None)], 2)
self.assertEqual(counter[(EventTypes.Member, self.user1)], 1)
self.assertEqual(counter[(EventTypes.Member, self.user2)], 1)
def test_single_private_joined_room(self):
"""Tests that we correctly write state when we can't see all events in
a room.
"""
room_id = self.helper.create_room_as(self.user1, tok=self.token1)
self.helper.send_state(
room_id,
EventTypes.RoomHistoryVisibility,
body={"history_visibility": "joined"},
tok=self.token1,
)
self.helper.send(room_id, body="Hello!", tok=self.token1)
self.helper.join(room_id, self.user2, tok=self.token2)
self.helper.send(room_id, body="Hello again!", tok=self.token1)
writer = Mock()
self.get_success(self.admin_handler.export_user_data(self.user2, writer))
writer.write_events.assert_called()
# Since we can't see all events there should be one extremity.
writer.write_state.assert_called_once()
# Collect all events that were written
written_events = []
for (called_room_id, events), _ in writer.write_events.call_args_list:
self.assertEqual(called_room_id, room_id)
written_events.extend(events)
# Check that the right number of events were written
counter = Counter(
(event.type, getattr(event, "state_key", None)) for event in written_events
)
self.assertEqual(counter[(EventTypes.Message, None)], 1)
self.assertEqual(counter[(EventTypes.Member, self.user1)], 1)
self.assertEqual(counter[(EventTypes.Member, self.user2)], 1)
def test_single_left_room(self):
"""Tests that we don't see events in the room after we leave."""
room_id = self.helper.create_room_as(self.user1, tok=self.token1)
self.helper.send(room_id, body="Hello!", tok=self.token1)
self.helper.join(room_id, self.user2, tok=self.token2)
self.helper.send(room_id, body="Hello again!", tok=self.token1)
self.helper.leave(room_id, self.user2, tok=self.token2)
self.helper.send(room_id, body="Helloooooo!", tok=self.token1)
writer = Mock()
self.get_success(self.admin_handler.export_user_data(self.user2, writer))
writer.write_events.assert_called()
# Since we can see all events there shouldn't be any extremities, so no
# state should be written
writer.write_state.assert_not_called()
written_events = []
for (called_room_id, events), _ in writer.write_events.call_args_list:
self.assertEqual(called_room_id, room_id)
written_events.extend(events)
# Check that the right number of events were written
counter = Counter(
(event.type, getattr(event, "state_key", None)) for event in written_events
)
self.assertEqual(counter[(EventTypes.Message, None)], 2)
self.assertEqual(counter[(EventTypes.Member, self.user1)], 1)
self.assertEqual(counter[(EventTypes.Member, self.user2)], 2)
def test_single_left_rejoined_private_room(self):
"""Tests that see the correct events in private rooms when we
repeatedly join and leave.
"""
room_id = self.helper.create_room_as(self.user1, tok=self.token1)
self.helper.send_state(
room_id,
EventTypes.RoomHistoryVisibility,
body={"history_visibility": "joined"},
tok=self.token1,
)
self.helper.send(room_id, body="Hello!", tok=self.token1)
self.helper.join(room_id, self.user2, tok=self.token2)
self.helper.send(room_id, body="Hello again!", tok=self.token1)
self.helper.leave(room_id, self.user2, tok=self.token2)
self.helper.send(room_id, body="Helloooooo!", tok=self.token1)
self.helper.join(room_id, self.user2, tok=self.token2)
self.helper.send(room_id, body="Helloooooo!!", tok=self.token1)
writer = Mock()
self.get_success(self.admin_handler.export_user_data(self.user2, writer))
writer.write_events.assert_called_once()
# Since we joined/left/joined again we expect there to be two gaps.
self.assertEqual(writer.write_state.call_count, 2)
written_events = []
for (called_room_id, events), _ in writer.write_events.call_args_list:
self.assertEqual(called_room_id, room_id)
written_events.extend(events)
# Check that the right number of events were written
counter = Counter(
(event.type, getattr(event, "state_key", None)) for event in written_events
)
self.assertEqual(counter[(EventTypes.Message, None)], 2)
self.assertEqual(counter[(EventTypes.Member, self.user1)], 1)
self.assertEqual(counter[(EventTypes.Member, self.user2)], 3)
def test_invite(self):
"""Tests that pending invites get handled correctly."""
room_id = self.helper.create_room_as(self.user1, tok=self.token1)
self.helper.send(room_id, body="Hello!", tok=self.token1)
self.helper.invite(room_id, self.user1, self.user2, tok=self.token1)
writer = Mock()
self.get_success(self.admin_handler.export_user_data(self.user2, writer))
writer.write_events.assert_not_called()
writer.write_state.assert_not_called()
writer.write_invite.assert_called_once()
args = writer.write_invite.call_args[0]
self.assertEqual(args[0], room_id)
self.assertEqual(args[1].content["membership"], "invite")
self.assertTrue(args[2]) # Assert there is at least one bit of state
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