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synapse/tests/handlers/test_deactivate_account.py

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#
2023-11-21 21:29:58 +01:00
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2021 The Matrix.org Foundation C.I.C.
2023-11-21 21:29:58 +01:00
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
from twisted.test.proto_helpers import MemoryReactor
from synapse.api.constants import AccountDataTypes, EventTypes, JoinRules, Membership
from synapse.push.rulekinds import PRIORITY_CLASS_MAP
from synapse.rest import admin
from synapse.rest.client import account, login, room
from synapse.server import HomeServer
from synapse.synapse_rust.push import PushRule
from synapse.types import UserID, create_requester
from synapse.util import Clock
from tests.unittest import HomeserverTestCase
class DeactivateAccountTestCase(HomeserverTestCase):
servlets = [
login.register_servlets,
admin.register_servlets,
account.register_servlets,
room.register_servlets,
]
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self._store = hs.get_datastores().main
self.user = self.register_user("user", "pass")
self.token = self.login("user", "pass")
self.handler = self.hs.get_room_member_handler()
def _deactivate_my_account(self) -> None:
"""
Deactivates the account `self.user` using `self.token` and asserts
that it returns a 200 success code.
"""
req = self.make_request(
"POST",
"account/deactivate",
{
"auth": {
"type": "m.login.password",
"user": self.user,
"password": "pass",
},
"erase": True,
},
access_token=self.token,
)
self.assertEqual(req.code, 200, req)
def test_global_account_data_deleted_upon_deactivation(self) -> None:
"""
Tests that global account data is removed upon deactivation.
"""
# Add some account data
self.get_success(
self._store.add_account_data_for_user(
self.user,
AccountDataTypes.DIRECT,
{"@someone:remote": ["!somewhere:remote"]},
)
)
# Check that we actually added some.
self.assertIsNotNone(
self.get_success(
self._store.get_global_account_data_by_type_for_user(
self.user, AccountDataTypes.DIRECT
)
),
)
# Request the deactivation of our account
self._deactivate_my_account()
# Check that the account data does not persist.
self.assertIsNone(
self.get_success(
self._store.get_global_account_data_by_type_for_user(
self.user, AccountDataTypes.DIRECT
)
),
)
def test_room_account_data_deleted_upon_deactivation(self) -> None:
"""
Tests that room account data is removed upon deactivation.
"""
room_id = "!room:test"
# Add some room account data
self.get_success(
self._store.add_account_data_to_room(
self.user,
room_id,
"m.fully_read",
{"event_id": "$aaaa:test"},
)
)
# Check that we actually added some.
self.assertIsNotNone(
self.get_success(
self._store.get_account_data_for_room_and_type(
self.user, room_id, "m.fully_read"
)
),
)
# Request the deactivation of our account
self._deactivate_my_account()
# Check that the account data does not persist.
self.assertIsNone(
self.get_success(
self._store.get_account_data_for_room_and_type(
self.user, room_id, "m.fully_read"
)
),
)
def _is_custom_rule(self, push_rule: PushRule) -> bool:
"""
Default rules start with a dot: such as .m.rule and .im.vector.
This function returns true iff a rule is custom (not default).
"""
return "/." not in push_rule.rule_id
def test_push_rules_deleted_upon_account_deactivation(self) -> None:
"""
Push rules are a special case of account data.
They are stored separately but get sent to the client as account data in /sync.
This tests that deactivating a user deletes push rules along with the rest
of their account data.
"""
# Add a push rule
self.get_success(
self._store.add_push_rule(
self.user,
"personal.override.rule1",
PRIORITY_CLASS_MAP["override"],
[],
[],
)
)
# Test the rule exists
filtered_push_rules = self.get_success(
self._store.get_push_rules_for_user(self.user)
)
# Filter out default rules; we don't care
push_rules = [
r for r, _ in filtered_push_rules.rules() if self._is_custom_rule(r)
]
# Check our rule made it
self.assertEqual(len(push_rules), 1)
self.assertEqual(push_rules[0].rule_id, "personal.override.rule1")
self.assertEqual(push_rules[0].priority_class, 5)
self.assertEqual(push_rules[0].conditions, [])
self.assertEqual(push_rules[0].actions, [])
# Request the deactivation of our account
self._deactivate_my_account()
filtered_push_rules = self.get_success(
self._store.get_push_rules_for_user(self.user)
)
# Filter out default rules; we don't care
push_rules = [
r for r, _ in filtered_push_rules.rules() if self._is_custom_rule(r)
]
# Check our rule no longer exists
self.assertEqual(push_rules, [], push_rules)
def test_ignored_users_deleted_upon_deactivation(self) -> None:
"""
Ignored users are a special case of account data.
They get denormalised into the `ignored_users` table upon being stored as
account data.
Test that a user's list of ignored users is deleted upon deactivation.
"""
# Add an ignored user
self.get_success(
self._store.add_account_data_for_user(
self.user,
AccountDataTypes.IGNORED_USER_LIST,
{"ignored_users": {"@sheltie:test": {}}},
)
)
# Test the user is ignored
self.assertEqual(
self.get_success(self._store.ignored_by("@sheltie:test")), {self.user}
)
# Request the deactivation of our account
self._deactivate_my_account()
# Test the user is no longer ignored by the user that was deactivated
self.assertEqual(
self.get_success(self._store.ignored_by("@sheltie:test")), set()
)
def _rerun_retroactive_account_data_deletion_update(self) -> None:
# Reset the 'all done' flag
self._store.db_pool.updates._all_done = False
self.get_success(
self._store.db_pool.simple_insert(
"background_updates",
{
"update_name": "delete_account_data_for_deactivated_users",
"progress_json": "{}",
},
)
)
self.wait_for_background_updates()
def test_account_data_deleted_retroactively_by_background_update_if_deactivated(
self,
) -> None:
"""
Tests that a user, who deactivated their account before account data was
deleted automatically upon deactivation, has their account data retroactively
scrubbed by the background update.
"""
# Request the deactivation of our account
self._deactivate_my_account()
# Add some account data
# (we do this after the deactivation so that the act of deactivating doesn't
# clear it out. This emulates a user that was deactivated before this was cleared
# upon deactivation.)
self.get_success(
self._store.add_account_data_for_user(
self.user,
AccountDataTypes.DIRECT,
{"@someone:remote": ["!somewhere:remote"]},
)
)
# Check that the account data is there.
self.assertIsNotNone(
self.get_success(
self._store.get_global_account_data_by_type_for_user(
self.user,
AccountDataTypes.DIRECT,
)
),
)
# Re-run the retroactive deletion update
self._rerun_retroactive_account_data_deletion_update()
# Check that the account data was cleared.
self.assertIsNone(
self.get_success(
self._store.get_global_account_data_by_type_for_user(
self.user,
AccountDataTypes.DIRECT,
)
),
)
def test_account_data_preserved_by_background_update_if_not_deactivated(
self,
) -> None:
"""
Tests that the background update does not scrub account data for users that have
not been deactivated.
"""
# Add some account data
# (we do this after the deactivation so that the act of deactivating doesn't
# clear it out. This emulates a user that was deactivated before this was cleared
# upon deactivation.)
self.get_success(
self._store.add_account_data_for_user(
self.user,
AccountDataTypes.DIRECT,
{"@someone:remote": ["!somewhere:remote"]},
)
)
# Check that the account data is there.
self.assertIsNotNone(
self.get_success(
self._store.get_global_account_data_by_type_for_user(
self.user,
AccountDataTypes.DIRECT,
)
),
)
# Re-run the retroactive deletion update
self._rerun_retroactive_account_data_deletion_update()
# Check that the account data was NOT cleared.
self.assertIsNotNone(
self.get_success(
self._store.get_global_account_data_by_type_for_user(
self.user,
AccountDataTypes.DIRECT,
)
),
)
def test_deactivate_account_needs_auth(self) -> None:
"""
Tests that making a request to /deactivate with an empty body
succeeds in starting the user-interactive auth flow.
"""
req = self.make_request(
"POST",
"account/deactivate",
{},
access_token=self.token,
)
self.assertEqual(req.code, 401, req)
self.assertEqual(req.json_body["flows"], [{"stages": ["m.login.password"]}])
def test_deactivate_account_rejects_invites(self) -> None:
"""
Tests that deactivating an account rejects its invite memberships
"""
# Create another user and room just for the invitation
another_user = self.register_user("another_user", "pass")
token = self.login("another_user", "pass")
room_id = self.helper.create_room_as(another_user, is_public=False, tok=token)
# Invite user to the created room
invite_event, _ = self.get_success(
self.handler.update_membership(
requester=create_requester(another_user),
target=UserID.from_string(self.user),
room_id=room_id,
action=Membership.INVITE,
)
)
# Check that the invite exists
invite = self.get_success(
self._store.get_invited_rooms_for_local_user(self.user)
)
self.assertEqual(invite[0].event_id, invite_event)
# Deactivate the user
self._deactivate_my_account()
# Check that the deactivated user has no invites in the room
after_deactivate_invite = self.get_success(
self._store.get_invited_rooms_for_local_user(self.user)
)
self.assertEqual(len(after_deactivate_invite), 0)
def test_deactivate_account_rejects_knocks(self) -> None:
"""
Tests that deactivating an account rejects its knock memberships
"""
# Create another user and room just for the invitation
another_user = self.register_user("another_user", "pass")
token = self.login("another_user", "pass")
room_id = self.helper.create_room_as(
another_user,
is_public=False,
tok=token,
)
# Allow room to be knocked at
self.helper.send_state(
room_id,
EventTypes.JoinRules,
{"join_rule": JoinRules.KNOCK},
tok=token,
)
# Knock user at the created room
knock_event, _ = self.get_success(
self.handler.update_membership(
requester=create_requester(self.user),
target=UserID.from_string(self.user),
room_id=room_id,
action=Membership.KNOCK,
)
)
# Check that the knock exists
knocks = self.get_success(
self._store.get_knocked_at_rooms_for_local_user(self.user)
)
self.assertEqual(knocks[0].event_id, knock_event)
# Deactivate the user
self._deactivate_my_account()
# Check that the deactivated user has no knocks
after_deactivate_knocks = self.get_success(
self._store.get_knocked_at_rooms_for_local_user(self.user)
)
self.assertEqual(len(after_deactivate_knocks), 0)
def test_membership_is_redacted_upon_deactivation(self) -> None:
"""
Tests that room membership events are redacted if erasure is requested.
"""
# Create a room
room_id = self.helper.create_room_as(
self.user,
is_public=True,
tok=self.token,
)
# Change the displayname
membership_event, _ = self.get_success(
self.handler.update_membership(
requester=create_requester(self.user),
target=UserID.from_string(self.user),
room_id=room_id,
action=Membership.JOIN,
content={"displayname": "Hello World!"},
)
)
# Deactivate the account
self._deactivate_my_account()
# Get the all membership event IDs
membership_event_ids = self.get_success(
self._store.get_membership_event_ids_for_user(self.user, room_id=room_id)
)
# Get the events incl. JSON
events = self.get_success(self._store.get_events_as_list(membership_event_ids))
# Validate that there is no displayname in any of the events
for event in events:
self.assertTrue("displayname" not in event.content)
def test_rooms_forgotten_upon_deactivation(self) -> None:
"""
Tests that the user 'forgets' the rooms they left upon deactivation.
"""
# Create a room
room_id = self.helper.create_room_as(
self.user,
is_public=True,
tok=self.token,
)
# Deactivate the account
self._deactivate_my_account()
# Get all of the user's forgotten rooms
forgotten_rooms = self.get_success(
self._store.get_forgotten_rooms_for_user(self.user)
)
# Validate that the created room is forgotten
self.assertTrue(room_id in forgotten_rooms)