forked-synapse/tests/handlers/test_message.py

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#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2020 The Matrix.org Foundation C.I.C.
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# 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]
#
#
import logging
from typing import Tuple
from twisted.test.proto_helpers import MemoryReactor
from synapse.api.constants import EventTypes
from synapse.api.errors import SynapseError
from synapse.events import EventBase
from synapse.events.snapshot import EventContext, UnpersistedEventContextBase
from synapse.rest import admin
from synapse.rest.client import login, room
from synapse.server import HomeServer
from synapse.types import create_requester
from synapse.util import Clock
from synapse.util.stringutils import random_string
from tests import unittest
from tests.test_utils.event_injection import create_event
logger = logging.getLogger(__name__)
class EventCreationTestCase(unittest.HomeserverTestCase):
servlets = [
admin.register_servlets,
login.register_servlets,
room.register_servlets,
]
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.handler = self.hs.get_event_creation_handler()
persistence = self.hs.get_storage_controllers().persistence
assert persistence is not None
self._persist_event_storage_controller = persistence
self.store = self.hs.get_datastores().main
self.user_id = self.register_user("tester", "foobar")
device_id = "dev-1"
access_token = self.login("tester", "foobar", device_id=device_id)
self.room_id = self.helper.create_room_as(self.user_id, tok=access_token)
self.private_room_id = self.helper.create_room_as(
self.user_id, tok=access_token, extra_content={"preset": "private_chat"}
)
self.requester = create_requester(self.user_id, device_id=device_id)
def _create_and_persist_member_event(self) -> Tuple[EventBase, EventContext]:
# Create a member event we can use as an auth_event
memberEvent, memberEventContext = self.get_success(
create_event(
self.hs,
room_id=self.room_id,
type="m.room.member",
sender=self.requester.user.to_string(),
state_key=self.requester.user.to_string(),
content={"membership": "join"},
)
)
self.get_success(
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self._persist_event_storage_controller.persist_event(
memberEvent, memberEventContext
)
)
return memberEvent, memberEventContext
def _create_duplicate_event(
self, txn_id: str
) -> Tuple[EventBase, UnpersistedEventContextBase]:
"""Create a new event with the given transaction ID. All events produced
by this method will be considered duplicates.
"""
# We create a new event with a random body, as otherwise we'll produce
# *exactly* the same event with the same hash, and so same event ID.
return self.get_success(
self.handler.create_event(
self.requester,
{
"type": EventTypes.Message,
"room_id": self.room_id,
"sender": self.requester.user.to_string(),
"content": {"msgtype": "m.text", "body": random_string(5)},
},
txn_id=txn_id,
)
)
def test_duplicated_txn_id(self) -> None:
"""Test that attempting to handle/persist an event with a transaction ID
that has already been persisted correctly returns the old event and does
*not* produce duplicate messages.
"""
txn_id = "something_suitably_random"
event1, unpersisted_context = self._create_duplicate_event(txn_id)
context = self.get_success(unpersisted_context.persist(event1))
ret_event1 = self.get_success(
self.handler.handle_new_client_event(
self.requester,
events_and_context=[(event1, context)],
)
)
stream_id1 = ret_event1.internal_metadata.stream_ordering
self.assertEqual(event1.event_id, ret_event1.event_id)
event2, unpersisted_context = self._create_duplicate_event(txn_id)
context = self.get_success(unpersisted_context.persist(event2))
# We want to test that the deduplication at the persit event end works,
# so we want to make sure we test with different events.
self.assertNotEqual(event1.event_id, event2.event_id)
ret_event2 = self.get_success(
self.handler.handle_new_client_event(
self.requester,
events_and_context=[(event2, context)],
)
)
stream_id2 = ret_event2.internal_metadata.stream_ordering
# Assert that the returned values match those from the initial event
# rather than the new one.
self.assertEqual(ret_event1.event_id, ret_event2.event_id)
self.assertEqual(stream_id1, stream_id2)
# Let's test that calling `persist_event` directly also does the right
# thing.
event3, unpersisted_context = self._create_duplicate_event(txn_id)
context = self.get_success(unpersisted_context.persist(event3))
self.assertNotEqual(event1.event_id, event3.event_id)
ret_event3, event_pos3, _ = self.get_success(
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self._persist_event_storage_controller.persist_event(event3, context)
)
# Assert that the returned values match those from the initial event
# rather than the new one.
self.assertEqual(ret_event1.event_id, ret_event3.event_id)
self.assertEqual(stream_id1, event_pos3.stream)
# Let's test that calling `persist_events` directly also does the right
# thing.
event4, unpersisted_context = self._create_duplicate_event(txn_id)
context = self.get_success(unpersisted_context.persist(event4))
self.assertNotEqual(event1.event_id, event3.event_id)
events, _ = self.get_success(
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self._persist_event_storage_controller.persist_events([(event3, context)])
)
ret_event4 = events[0]
# Assert that the returned values match those from the initial event
# rather than the new one.
self.assertEqual(ret_event1.event_id, ret_event4.event_id)
def test_duplicated_txn_id_one_call(self) -> None:
"""Test that we correctly handle duplicates that we try and persist at
the same time.
"""
txn_id = "something_else_suitably_random"
# Create two duplicate events to persist at the same time
event1, unpersisted_context1 = self._create_duplicate_event(txn_id)
context1 = self.get_success(unpersisted_context1.persist(event1))
event2, unpersisted_context2 = self._create_duplicate_event(txn_id)
context2 = self.get_success(unpersisted_context2.persist(event2))
# Ensure their event IDs are different to start with
self.assertNotEqual(event1.event_id, event2.event_id)
events, _ = self.get_success(
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self._persist_event_storage_controller.persist_events(
[(event1, context1), (event2, context2)]
)
)
# Check that we've deduplicated the events.
self.assertEqual(len(events), 2)
self.assertEqual(events[0].event_id, events[1].event_id)
def test_when_empty_prev_events_allowed_create_event_with_empty_prev_events(
self,
) -> None:
"""When we set allow_no_prev_events=True, should be able to create a
event without any prev_events (only auth_events).
"""
# Create a member event we can use as an auth_event
memberEvent, _ = self._create_and_persist_member_event()
# Try to create the event with empty prev_events bit with some auth_events
event, _ = self.get_success(
self.handler.create_event(
self.requester,
{
"type": EventTypes.Message,
"room_id": self.room_id,
"sender": self.requester.user.to_string(),
"content": {"msgtype": "m.text", "body": random_string(5)},
},
# Empty prev_events is the key thing we're testing here
prev_event_ids=[],
# But with some auth_events
auth_event_ids=[memberEvent.event_id],
# Allow no prev_events!
allow_no_prev_events=True,
)
)
self.assertIsNotNone(event)
def test_when_empty_prev_events_not_allowed_reject_event_with_empty_prev_events(
self,
) -> None:
"""When we set allow_no_prev_events=False, shouldn't be able to create a
event without any prev_events even if it has auth_events. Expect an
exception to be raised.
"""
# Create a member event we can use as an auth_event
memberEvent, _ = self._create_and_persist_member_event()
# Try to create the event with empty prev_events but with some auth_events
self.get_failure(
self.handler.create_event(
self.requester,
{
"type": EventTypes.Message,
"room_id": self.room_id,
"sender": self.requester.user.to_string(),
"content": {"msgtype": "m.text", "body": random_string(5)},
},
# Empty prev_events is the key thing we're testing here
prev_event_ids=[],
# But with some auth_events
auth_event_ids=[memberEvent.event_id],
# We expect the test to fail because empty prev_events are not
# allowed here!
allow_no_prev_events=False,
),
AssertionError,
)
def test_when_empty_prev_events_allowed_reject_event_with_empty_prev_events_and_auth_events(
self,
) -> None:
"""When we set allow_no_prev_events=True, should be able to create a
event without any prev_events or auth_events. Expect an exception to be
raised.
"""
# Try to create the event with empty prev_events and empty auth_events
self.get_failure(
self.handler.create_event(
self.requester,
{
"type": EventTypes.Message,
"room_id": self.room_id,
"sender": self.requester.user.to_string(),
"content": {"msgtype": "m.text", "body": random_string(5)},
},
prev_event_ids=[],
# The event should be rejected when there are no auth_events
auth_event_ids=[],
# Allow no prev_events!
allow_no_prev_events=True,
),
AssertionError,
)
def test_call_invite_event_creation_fails_in_public_room(self) -> None:
# get prev_events for room
prev_events = self.get_success(
self.store.get_prev_events_for_room(self.room_id)
)
# the invite in a public room should fail
self.get_failure(
self.handler.create_event(
self.requester,
{
"type": EventTypes.CallInvite,
"room_id": self.room_id,
"sender": self.requester.user.to_string(),
},
prev_event_ids=prev_events,
auth_event_ids=prev_events,
),
SynapseError,
)
# but a call invite in a private room should succeed
self.get_success(
self.handler.create_event(
self.requester,
{
"type": EventTypes.CallInvite,
"room_id": self.private_room_id,
"sender": self.requester.user.to_string(),
},
prev_event_ids=prev_events,
auth_event_ids=prev_events,
)
)
class ServerAclValidationTestCase(unittest.HomeserverTestCase):
servlets = [
admin.register_servlets,
login.register_servlets,
room.register_servlets,
]
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.user_id = self.register_user("tester", "foobar")
self.access_token = self.login("tester", "foobar")
self.room_id = self.helper.create_room_as(self.user_id, tok=self.access_token)
def test_allow_server_acl(self) -> None:
"""Test that sending an ACL that blocks everyone but ourselves works."""
self.helper.send_state(
self.room_id,
EventTypes.ServerACL,
body={"allow": [self.hs.hostname]},
tok=self.access_token,
expect_code=200,
)
def test_deny_server_acl_block_outselves(self) -> None:
"""Test that sending an ACL that blocks ourselves does not work."""
self.helper.send_state(
self.room_id,
EventTypes.ServerACL,
body={},
tok=self.access_token,
expect_code=400,
)
def test_deny_redact_server_acl(self) -> None:
"""Test that attempting to redact an ACL is blocked."""
body = self.helper.send_state(
self.room_id,
EventTypes.ServerACL,
body={"allow": [self.hs.hostname]},
tok=self.access_token,
expect_code=200,
)
event_id = body["event_id"]
# Redaction of event should fail.
path = "/_matrix/client/r0/rooms/%s/redact/%s" % (self.room_id, event_id)
channel = self.make_request(
"POST", path, content={}, access_token=self.access_token
)
self.assertEqual(channel.code, 403)