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synapse/tests/handlers/test_sync.py
Erik Johnston b3b793786c
Fix sync waiting for an invalid token from the "future" (#17386) 
Fixes https://github.com/element-hq/synapse/issues/17274, hopefully.

Basically, old versions of Synapse could advance streams without
persisting anything in the DB (fixed in #17229). On restart those
updates would get lost, and so the position of the stream would revert
to an older position. If this happened across an upgrade to a later
Synapse version which included #17215, then sync could get blocked
indefinitely (until the stream advanced to the position in the token).

We fix this by bounding the stream positions we'll wait for to the
maximum position of the underlying stream ID generator.
2024-07-02 12:39:49 +01:00

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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# 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 typing import Collection, ContextManager, List, Optional
from unittest.mock import AsyncMock, Mock, patch
from parameterized import parameterized
from twisted.internet import defer
from twisted.test.proto_helpers import MemoryReactor
from synapse.api.constants import AccountDataTypes, EventTypes, JoinRules
from synapse.api.errors import Codes, ResourceLimitError
from synapse.api.filtering import FilterCollection, Filtering
from synapse.api.room_versions import RoomVersion, RoomVersions
from synapse.events import EventBase
from synapse.events.snapshot import EventContext
from synapse.federation.federation_base import event_from_pdu_json
from synapse.handlers.sync import SyncConfig, SyncRequestKey, SyncResult, SyncVersion
from synapse.rest import admin
from synapse.rest.client import knock, login, room
from synapse.server import HomeServer
from synapse.types import JsonDict, StreamKeyType, UserID, create_requester
from synapse.util import Clock
import tests.unittest
import tests.utils
_request_key = 0
def generate_request_key() -> SyncRequestKey:
global _request_key
_request_key += 1
return ("request_key", _request_key)
class SyncTestCase(tests.unittest.HomeserverTestCase):
"""Tests Sync Handler."""
servlets = [
admin.register_servlets,
knock.register_servlets,
login.register_servlets,
room.register_servlets,
]
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.sync_handler = self.hs.get_sync_handler()
self.store = self.hs.get_datastores().main
# AuthBlocking reads from the hs' config on initialization. We need to
# modify its config instead of the hs'
self.auth_blocking = self.hs.get_auth_blocking()
def test_wait_for_sync_for_user_auth_blocking(self) -> None:
user_id1 = "@user1:test"
user_id2 = "@user2:test"
sync_config = generate_sync_config(user_id1)
requester = create_requester(user_id1)
self.reactor.advance(100) # So we get not 0 time
self.auth_blocking._limit_usage_by_mau = True
self.auth_blocking._max_mau_value = 1
# Check that the happy case does not throw errors
self.get_success(self.store.upsert_monthly_active_user(user_id1))
self.get_success(
self.sync_handler.wait_for_sync_for_user(
requester,
sync_config,
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
# Test that global lock works
self.auth_blocking._hs_disabled = True
e = self.get_failure(
self.sync_handler.wait_for_sync_for_user(
requester,
sync_config,
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
),
ResourceLimitError,
)
self.assertEqual(e.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
self.auth_blocking._hs_disabled = False
sync_config = generate_sync_config(user_id2)
requester = create_requester(user_id2)
e = self.get_failure(
self.sync_handler.wait_for_sync_for_user(
requester,
sync_config,
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
),
ResourceLimitError,
)
self.assertEqual(e.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
def test_unknown_room_version(self) -> None:
"""
A room with an unknown room version should not break sync (and should be excluded).
"""
inviter = self.register_user("creator", "pass", admin=True)
inviter_tok = self.login("@creator:test", "pass")
user = self.register_user("user", "pass")
tok = self.login("user", "pass")
# Do an initial sync on a different device.
requester = create_requester(user)
initial_result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
requester,
sync_config=generate_sync_config(user, device_id="dev"),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
# Create a room as the user.
joined_room = self.helper.create_room_as(user, tok=tok)
# Invite the user to the room as someone else.
invite_room = self.helper.create_room_as(inviter, tok=inviter_tok)
self.helper.invite(invite_room, targ=user, tok=inviter_tok)
knock_room = self.helper.create_room_as(
inviter, room_version=RoomVersions.V7.identifier, tok=inviter_tok
)
self.helper.send_state(
knock_room,
EventTypes.JoinRules,
{"join_rule": JoinRules.KNOCK},
tok=inviter_tok,
)
channel = self.make_request(
"POST",
"/_matrix/client/r0/knock/%s" % (knock_room,),
b"{}",
tok,
)
self.assertEqual(200, channel.code, channel.result)
# The rooms should appear in the sync response.
result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
requester,
sync_config=generate_sync_config(user),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
self.assertIn(joined_room, [r.room_id for r in result.joined])
self.assertIn(invite_room, [r.room_id for r in result.invited])
self.assertIn(knock_room, [r.room_id for r in result.knocked])
# Test a incremental sync (by providing a since_token).
result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
requester,
sync_config=generate_sync_config(user, device_id="dev"),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=initial_result.next_batch,
)
)
self.assertIn(joined_room, [r.room_id for r in result.joined])
self.assertIn(invite_room, [r.room_id for r in result.invited])
self.assertIn(knock_room, [r.room_id for r in result.knocked])
# Poke the database and update the room version to an unknown one.
for room_id in (joined_room, invite_room, knock_room):
self.get_success(
self.hs.get_datastores().main.db_pool.simple_update(
"rooms",
keyvalues={"room_id": room_id},
updatevalues={"room_version": "unknown-room-version"},
desc="updated-room-version",
)
)
# Blow away caches (supported room versions can only change due to a restart).
self.store.get_rooms_for_user_with_stream_ordering.invalidate_all()
self.store.get_rooms_for_user.invalidate_all()
self.store._get_event_cache.clear()
self.store._event_ref.clear()
# The rooms should be excluded from the sync response.
# Get a new request key.
result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
requester,
sync_config=generate_sync_config(user),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
self.assertNotIn(joined_room, [r.room_id for r in result.joined])
self.assertNotIn(invite_room, [r.room_id for r in result.invited])
self.assertNotIn(knock_room, [r.room_id for r in result.knocked])
# The rooms should also not be in an incremental sync.
result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
requester,
sync_config=generate_sync_config(user, device_id="dev"),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=initial_result.next_batch,
)
)
self.assertNotIn(joined_room, [r.room_id for r in result.joined])
self.assertNotIn(invite_room, [r.room_id for r in result.invited])
self.assertNotIn(knock_room, [r.room_id for r in result.knocked])
def test_ban_wins_race_with_join(self) -> None:
"""Rooms shouldn't appear under "joined" if a join loses a race to a ban.
A complicated edge case. Imagine the following scenario:
* you attempt to join a room
* racing with that is a ban which comes in over federation, which ends up with
an earlier stream_ordering than the join.
* you get a sync response with a sync token which is _after_ the ban, but before
the join
* now your join lands; it is a valid event because its `prev_event`s predate the
ban, but will not make it into current_state_events (because bans win over
joins in state res, essentially).
* When we do a sync from the incremental sync, the only event in the timeline
is your join ... and yet you aren't joined.
The ban coming in over federation isn't crucial for this behaviour; the key
requirements are:
1. the homeserver generates a join event with prev_events that precede the ban
(so that it passes the "are you banned" test)
2. the join event has a stream_ordering after that of the ban.
We use monkeypatching to artificially trigger condition (1).
"""
# A local user Alice creates a room.
owner = self.register_user("alice", "password")
owner_tok = self.login(owner, "password")
room_id = self.helper.create_room_as(owner, is_public=True, tok=owner_tok)
# Do a sync as Alice to get the latest event in the room.
alice_sync_result: SyncResult = self.get_success(
self.sync_handler.wait_for_sync_for_user(
create_requester(owner),
generate_sync_config(owner),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
self.assertEqual(len(alice_sync_result.joined), 1)
self.assertEqual(alice_sync_result.joined[0].room_id, room_id)
last_room_creation_event_id = (
alice_sync_result.joined[0].timeline.events[-1].event_id
)
# Eve, a ne'er-do-well, registers.
eve = self.register_user("eve", "password")
eve_token = self.login(eve, "password")
# Alice preemptively bans Eve.
self.helper.ban(room_id, owner, eve, tok=owner_tok)
# Eve syncs.
eve_requester = create_requester(eve)
eve_sync_config = generate_sync_config(eve)
eve_sync_after_ban: SyncResult = self.get_success(
self.sync_handler.wait_for_sync_for_user(
eve_requester,
eve_sync_config,
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
# Sanity check this sync result. We shouldn't be joined to the room.
self.assertEqual(eve_sync_after_ban.joined, [])
# Eve tries to join the room. We monkey patch the internal logic which selects
# the prev_events used when creating the join event, such that the ban does not
# precede the join.
with self._patch_get_latest_events([last_room_creation_event_id]):
self.helper.join(room_id, eve, tok=eve_token)
# Eve makes a second, incremental sync.
eve_incremental_sync_after_join: SyncResult = self.get_success(
self.sync_handler.wait_for_sync_for_user(
eve_requester,
eve_sync_config,
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=eve_sync_after_ban.next_batch,
)
)
# Eve should not see herself as joined to the room.
self.assertEqual(eve_incremental_sync_after_join.joined, [])
# If we did a third initial sync, we should _still_ see eve is not joined to the room.
eve_initial_sync_after_join: SyncResult = self.get_success(
self.sync_handler.wait_for_sync_for_user(
eve_requester,
eve_sync_config,
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=None,
)
)
self.assertEqual(eve_initial_sync_after_join.joined, [])
def test_state_includes_changes_on_forks(self) -> None:
"""State changes that happen on a fork of the DAG must be included in `state`
Given the following DAG:
E1
↗ ↖
| S2
| ↑
--|------|----
| |
E3 |
↖ /
E4
... and a filter that means we only return 2 events, represented by the dashed
horizontal line: `S2` must be included in the `state` section.
"""
alice = self.register_user("alice", "password")
alice_tok = self.login(alice, "password")
alice_requester = create_requester(alice)
room_id = self.helper.create_room_as(alice, is_public=True, tok=alice_tok)
# Do an initial sync as Alice to get a known starting point.
initial_sync_result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
alice_requester,
generate_sync_config(alice),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
last_room_creation_event_id = (
initial_sync_result.joined[0].timeline.events[-1].event_id
)
# Send a state event, and a regular event, both using the same prev ID
with self._patch_get_latest_events([last_room_creation_event_id]):
s2_event = self.helper.send_state(room_id, "s2", {}, tok=alice_tok)[
"event_id"
]
e3_event = self.helper.send(room_id, "e3", tok=alice_tok)["event_id"]
# Send a final event, joining the two branches of the dag
e4_event = self.helper.send(room_id, "e4", tok=alice_tok)["event_id"]
# do an incremental sync, with a filter that will ensure we only get two of
# the three new events.
incremental_sync = self.get_success(
self.sync_handler.wait_for_sync_for_user(
alice_requester,
generate_sync_config(
alice,
filter_collection=FilterCollection(
self.hs, {"room": {"timeline": {"limit": 2}}}
),
),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=initial_sync_result.next_batch,
)
)
# The state event should appear in the 'state' section of the response.
room_sync = incremental_sync.joined[0]
self.assertEqual(room_sync.room_id, room_id)
self.assertTrue(room_sync.timeline.limited)
self.assertEqual(
[e.event_id for e in room_sync.timeline.events],
[e3_event, e4_event],
)
self.assertEqual(
[e.event_id for e in room_sync.state.values()],
[s2_event],
)
def test_state_includes_changes_on_forks_when_events_excluded(self) -> None:
"""A variation on the previous test, but where one event is filtered
The DAG is the same as the previous test, but E4 is excluded by the filter.
E1
↗ ↖
| S2
| ↑
--|------|----
| |
E3 |
↖ /
(E4)
"""
alice = self.register_user("alice", "password")
alice_tok = self.login(alice, "password")
alice_requester = create_requester(alice)
room_id = self.helper.create_room_as(alice, is_public=True, tok=alice_tok)
# Do an initial sync as Alice to get a known starting point.
initial_sync_result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
alice_requester,
generate_sync_config(alice),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
last_room_creation_event_id = (
initial_sync_result.joined[0].timeline.events[-1].event_id
)
# Send a state event, and a regular event, both using the same prev ID
with self._patch_get_latest_events([last_room_creation_event_id]):
s2_event = self.helper.send_state(room_id, "s2", {}, tok=alice_tok)[
"event_id"
]
e3_event = self.helper.send(room_id, "e3", tok=alice_tok)["event_id"]
# Send a final event, joining the two branches of the dag
self.helper.send(room_id, "e4", type="not_a_normal_message", tok=alice_tok)[
"event_id"
]
# do an incremental sync, with a filter that will only return E3, excluding S2
# and E4.
incremental_sync = self.get_success(
self.sync_handler.wait_for_sync_for_user(
alice_requester,
generate_sync_config(
alice,
filter_collection=FilterCollection(
self.hs,
{
"room": {
"timeline": {
"limit": 1,
"not_types": ["not_a_normal_message"],
}
}
},
),
),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=initial_sync_result.next_batch,
)
)
# The state event should appear in the 'state' section of the response.
room_sync = incremental_sync.joined[0]
self.assertEqual(room_sync.room_id, room_id)
self.assertTrue(room_sync.timeline.limited)
self.assertEqual(
[e.event_id for e in room_sync.timeline.events],
[e3_event],
)
self.assertEqual(
[e.event_id for e in room_sync.state.values()],
[s2_event],
)
def test_state_includes_changes_on_long_lived_forks(self) -> None:
"""State changes that happen on a fork of the DAG must be included in `state`
Given the following DAG:
E1
↗ ↖
| S2
| ↑
--|------|----
E3 |
--|------|----
| E4
| |
... and a filter that means we only return 1 event, represented by the dashed
horizontal lines: `S2` must be included in the `state` section on the second sync.
"""
alice = self.register_user("alice", "password")
alice_tok = self.login(alice, "password")
alice_requester = create_requester(alice)
room_id = self.helper.create_room_as(alice, is_public=True, tok=alice_tok)
# Do an initial sync as Alice to get a known starting point.
initial_sync_result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
alice_requester,
generate_sync_config(alice),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
last_room_creation_event_id = (
initial_sync_result.joined[0].timeline.events[-1].event_id
)
# Send a state event, and a regular event, both using the same prev ID
with self._patch_get_latest_events([last_room_creation_event_id]):
s2_event = self.helper.send_state(room_id, "s2", {}, tok=alice_tok)[
"event_id"
]
e3_event = self.helper.send(room_id, "e3", tok=alice_tok)["event_id"]
# Do an incremental sync, this will return E3 but *not* S2 at this
# point.
incremental_sync = self.get_success(
self.sync_handler.wait_for_sync_for_user(
alice_requester,
generate_sync_config(
alice,
filter_collection=FilterCollection(
self.hs, {"room": {"timeline": {"limit": 1}}}
),
),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=initial_sync_result.next_batch,
)
)
room_sync = incremental_sync.joined[0]
self.assertEqual(room_sync.room_id, room_id)
self.assertTrue(room_sync.timeline.limited)
self.assertEqual(
[e.event_id for e in room_sync.timeline.events],
[e3_event],
)
self.assertEqual(
[e.event_id for e in room_sync.state.values()],
[],
)
# Now send another event that points to S2, but not E3.
with self._patch_get_latest_events([s2_event]):
e4_event = self.helper.send(room_id, "e4", tok=alice_tok)["event_id"]
# Doing an incremental sync should return S2 in state.
incremental_sync = self.get_success(
self.sync_handler.wait_for_sync_for_user(
alice_requester,
generate_sync_config(
alice,
filter_collection=FilterCollection(
self.hs, {"room": {"timeline": {"limit": 1}}}
),
),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=incremental_sync.next_batch,
)
)
room_sync = incremental_sync.joined[0]
self.assertEqual(room_sync.room_id, room_id)
self.assertFalse(room_sync.timeline.limited)
self.assertEqual(
[e.event_id for e in room_sync.timeline.events],
[e4_event],
)
self.assertEqual(
[e.event_id for e in room_sync.state.values()],
[s2_event],
)
def test_state_includes_changes_on_ungappy_syncs(self) -> None:
"""Test `state` where the sync is not gappy.
We start with a DAG like this:
E1
↗ ↖
| S2
|
--|---
|
E3
... and initialsync with `limit=1`, represented by the horizontal dashed line.
At this point, we do not expect S2 to appear in the response at all (since
it is excluded from the timeline by the `limit`, and the state is based on the
state after the most recent event before the sync token (E3), which doesn't
include S2.
Now more events arrive, and we do an incremental sync:
E1
↗ ↖
| S2
| ↑
E3 |
↑ |
--|------|----
| |
E4 |
↖ /
E5
This is the last chance for us to tell the client about S2, so it *must* be
included in the response.
"""
alice = self.register_user("alice", "password")
alice_tok = self.login(alice, "password")
alice_requester = create_requester(alice)
room_id = self.helper.create_room_as(alice, is_public=True, tok=alice_tok)
# Do an initial sync to get a known starting point.
initial_sync_result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
alice_requester,
generate_sync_config(alice),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
last_room_creation_event_id = (
initial_sync_result.joined[0].timeline.events[-1].event_id
)
# Send a state event, and a regular event, both using the same prev ID
with self._patch_get_latest_events([last_room_creation_event_id]):
s2_event = self.helper.send_state(room_id, "s2", {}, tok=alice_tok)[
"event_id"
]
e3_event = self.helper.send(room_id, "e3", tok=alice_tok)["event_id"]
# Another initial sync, with limit=1
initial_sync_result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
alice_requester,
generate_sync_config(
alice,
filter_collection=FilterCollection(
self.hs, {"room": {"timeline": {"limit": 1}}}
),
),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
room_sync = initial_sync_result.joined[0]
self.assertEqual(room_sync.room_id, room_id)
self.assertEqual(
[e.event_id for e in room_sync.timeline.events],
[e3_event],
)
self.assertNotIn(s2_event, [e.event_id for e in room_sync.state.values()])
# More events, E4 and E5
with self._patch_get_latest_events([e3_event]):
e4_event = self.helper.send(room_id, "e4", tok=alice_tok)["event_id"]
e5_event = self.helper.send(room_id, "e5", tok=alice_tok)["event_id"]
# Now incremental sync
incremental_sync = self.get_success(
self.sync_handler.wait_for_sync_for_user(
alice_requester,
generate_sync_config(alice),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=initial_sync_result.next_batch,
)
)
# The state event should appear in the 'state' section of the response.
room_sync = incremental_sync.joined[0]
self.assertEqual(room_sync.room_id, room_id)
self.assertFalse(room_sync.timeline.limited)
self.assertEqual(
[e.event_id for e in room_sync.timeline.events],
[e4_event, e5_event],
)
self.assertEqual(
[e.event_id for e in room_sync.state.values()],
[s2_event],
)
@parameterized.expand(
[
(False, False),
(True, False),
(False, True),
(True, True),
]
)
def test_archived_rooms_do_not_include_state_after_leave(
self, initial_sync: bool, empty_timeline: bool
) -> None:
"""If the user leaves the room, state changes that happen after they leave are not returned.
We try with both a zero and a normal timeline limit,
and we try both an initial sync and an incremental sync for both.
"""
if empty_timeline and not initial_sync:
# FIXME synapse doesn't return the room at all in this situation!
self.skipTest("Synapse does not correctly handle this case")
# Alice creates the room, and bob joins.
alice = self.register_user("alice", "password")
alice_tok = self.login(alice, "password")
bob = self.register_user("bob", "password")
bob_tok = self.login(bob, "password")
bob_requester = create_requester(bob)
room_id = self.helper.create_room_as(alice, is_public=True, tok=alice_tok)
self.helper.join(room_id, bob, tok=bob_tok)
initial_sync_result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
bob_requester,
generate_sync_config(bob),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
# Alice sends a message and a state
before_message_event = self.helper.send(room_id, "before", tok=alice_tok)[
"event_id"
]
before_state_event = self.helper.send_state(
room_id, "test_state", {"body": "before"}, tok=alice_tok
)["event_id"]
# Bob leaves
leave_event = self.helper.leave(room_id, bob, tok=bob_tok)["event_id"]
# Alice sends some more stuff
self.helper.send(room_id, "after", tok=alice_tok)["event_id"]
self.helper.send_state(room_id, "test_state", {"body": "after"}, tok=alice_tok)[
"event_id"
]
# And now, Bob resyncs.
filter_dict: JsonDict = {"room": {"include_leave": True}}
if empty_timeline:
filter_dict["room"]["timeline"] = {"limit": 0}
sync_room_result = self.get_success(
self.sync_handler.wait_for_sync_for_user(
bob_requester,
generate_sync_config(
bob, filter_collection=FilterCollection(self.hs, filter_dict)
),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=None if initial_sync else initial_sync_result.next_batch,
)
).archived[0]
if empty_timeline:
# The timeline should be empty
self.assertEqual(sync_room_result.timeline.events, [])
# And the state should include the leave event...
self.assertEqual(
sync_room_result.state[("m.room.member", bob)].event_id, leave_event
)
# ... and the state change before he left.
self.assertEqual(
sync_room_result.state[("test_state", "")].event_id, before_state_event
)
else:
# The last three events in the timeline should be those leading up to the
# leave
self.assertEqual(
[e.event_id for e in sync_room_result.timeline.events[-3:]],
[before_message_event, before_state_event, leave_event],
)
# ... And the state should be empty
self.assertEqual(sync_room_result.state, {})
def _patch_get_latest_events(self, latest_events: List[str]) -> ContextManager:
"""Monkey-patch `get_prev_events_for_room`
Returns a context manager which will replace the implementation of
`get_prev_events_for_room` with one which returns `latest_events`.
"""
return patch.object(
self.hs.get_datastores().main,
"get_prev_events_for_room",
new_callable=AsyncMock,
return_value=latest_events,
)
def test_call_invite_in_public_room_not_returned(self) -> None:
user = self.register_user("alice", "password")
tok = self.login(user, "password")
room_id = self.helper.create_room_as(user, is_public=True, tok=tok)
self.handler = self.hs.get_federation_handler()
federation_event_handler = self.hs.get_federation_event_handler()
async def _check_event_auth(
origin: Optional[str], event: EventBase, context: EventContext
) -> None:
pass
federation_event_handler._check_event_auth = _check_event_auth # type: ignore[method-assign]
self.client = self.hs.get_federation_client()
async def _check_sigs_and_hash_for_pulled_events_and_fetch(
dest: str, pdus: Collection[EventBase], room_version: RoomVersion
) -> List[EventBase]:
return list(pdus)
self.client._check_sigs_and_hash_for_pulled_events_and_fetch = _check_sigs_and_hash_for_pulled_events_and_fetch # type: ignore[assignment]
prev_events = self.get_success(self.store.get_prev_events_for_room(room_id))
# create a call invite event
call_event = event_from_pdu_json(
{
"type": EventTypes.CallInvite,
"content": {},
"room_id": room_id,
"sender": user,
"depth": 32,
"prev_events": prev_events,
"auth_events": prev_events,
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V10,
)
self.assertEqual(
self.get_success(
federation_event_handler.on_receive_pdu("test.serv", call_event)
),
None,
)
# check that it is in DB
recent_event = self.get_success(self.store.get_prev_events_for_room(room_id))
self.assertIn(call_event.event_id, recent_event)
# but that it does not come down /sync in public room
sync_result: SyncResult = self.get_success(
self.sync_handler.wait_for_sync_for_user(
create_requester(user),
generate_sync_config(user),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
event_ids = []
for event in sync_result.joined[0].timeline.events:
event_ids.append(event.event_id)
self.assertNotIn(call_event.event_id, event_ids)
# it will come down in a private room, though
user2 = self.register_user("bob", "password")
tok2 = self.login(user2, "password")
private_room_id = self.helper.create_room_as(
user2, is_public=False, tok=tok2, extra_content={"preset": "private_chat"}
)
priv_prev_events = self.get_success(
self.store.get_prev_events_for_room(private_room_id)
)
private_call_event = event_from_pdu_json(
{
"type": EventTypes.CallInvite,
"content": {},
"room_id": private_room_id,
"sender": user,
"depth": 32,
"prev_events": priv_prev_events,
"auth_events": priv_prev_events,
"origin_server_ts": self.clock.time_msec(),
},
RoomVersions.V10,
)
self.assertEqual(
self.get_success(
federation_event_handler.on_receive_pdu("test.serv", private_call_event)
),
None,
)
recent_events = self.get_success(
self.store.get_prev_events_for_room(private_room_id)
)
self.assertIn(private_call_event.event_id, recent_events)
private_sync_result: SyncResult = self.get_success(
self.sync_handler.wait_for_sync_for_user(
create_requester(user2),
generate_sync_config(user2),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
priv_event_ids = []
for event in private_sync_result.joined[0].timeline.events:
priv_event_ids.append(event.event_id)
self.assertIn(private_call_event.event_id, priv_event_ids)
def test_push_rules_with_bad_account_data(self) -> None:
"""Some old accounts have managed to set a `m.push_rules` account data,
which we should ignore in /sync response.
"""
user = self.register_user("alice", "password")
# Insert the bad account data.
self.get_success(
self.store.add_account_data_for_user(user, AccountDataTypes.PUSH_RULES, {})
)
sync_result: SyncResult = self.get_success(
self.sync_handler.wait_for_sync_for_user(
create_requester(user),
generate_sync_config(user),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
)
)
for account_dict in sync_result.account_data:
if account_dict["type"] == AccountDataTypes.PUSH_RULES:
# We should have lots of push rules here, rather than the bad
# empty data.
self.assertNotEqual(account_dict["content"], {})
return
self.fail("No push rules found")
def test_wait_for_future_sync_token(self) -> None:
"""Test that if we receive a token that is ahead of our current token,
we'll wait until the stream position advances.
This can happen if replication streams start lagging, and the client's
previous sync request was serviced by a worker ahead of ours.
"""
user = self.register_user("alice", "password")
# We simulate a lagging stream by getting a stream ID from the ID gen
# and then waiting to mark it as "persisted".
presence_id_gen = self.store.get_presence_stream_id_gen()
ctx_mgr = presence_id_gen.get_next()
stream_id = self.get_success(ctx_mgr.__aenter__())
# Create the new token based on the stream ID above.
current_token = self.hs.get_event_sources().get_current_token()
since_token = current_token.copy_and_advance(StreamKeyType.PRESENCE, stream_id)
sync_d = defer.ensureDeferred(
self.sync_handler.wait_for_sync_for_user(
create_requester(user),
generate_sync_config(user),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=since_token,
timeout=0,
)
)
# This should block waiting for the presence stream to update
self.pump()
self.assertFalse(sync_d.called)
# Marking the stream ID as persisted should unblock the request.
self.get_success(ctx_mgr.__aexit__(None, None, None))
self.get_success(sync_d, by=1.0)
def test_wait_for_invalid_future_sync_token(self) -> None:
"""Like the previous test, except we give a token that has a stream
position ahead of what is in the DB, i.e. its invalid and we shouldn't
wait for the stream to advance (as it may never do so).
This can happen due to older versions of Synapse giving out stream
positions without persisting them in the DB, and so on restart the
stream would get reset back to an older position.
"""
user = self.register_user("alice", "password")
# Create a token and arbitrarily advance one of the streams.
current_token = self.hs.get_event_sources().get_current_token()
since_token = current_token.copy_and_advance(
StreamKeyType.PRESENCE, current_token.presence_key + 1
)
sync_d = defer.ensureDeferred(
self.sync_handler.wait_for_sync_for_user(
create_requester(user),
generate_sync_config(user),
sync_version=SyncVersion.SYNC_V2,
request_key=generate_request_key(),
since_token=since_token,
timeout=0,
)
)
# We should return without waiting for the presence stream to advance.
self.get_success(sync_d)
def generate_sync_config(
user_id: str,
device_id: Optional[str] = "device_id",
filter_collection: Optional[FilterCollection] = None,
) -> SyncConfig:
"""Generate a sync config (with a unique request key).
Args:
user_id: user who is syncing.
device_id: device that is syncing. Defaults to "device_id".
filter_collection: filter to apply. Defaults to the default filter (ie,
return everything, with a default limit)
"""
if filter_collection is None:
filter_collection = Filtering(Mock()).DEFAULT_FILTER_COLLECTION
return SyncConfig(
user=UserID.from_string(user_id),
filter_collection=filter_collection,
is_guest=False,
device_id=device_id,
)
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