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synapse/tests/test_federation.py
Andrew Morgan fcd6961441
Add option to enable encryption by default for new rooms (#7639)
Fixes https://github.com/matrix-org/synapse/issues/2431

Adds config option `encryption_enabled_by_default_for_room_type`, which determines whether encryption should be enabled with the default encryption algorithm in private or public rooms upon creation. Whether the room is private or public is decided based upon the room creation preset that is used.

Part of this PR is also pulling out all of the individual instances of `m.megolm.v1.aes-sha2` into a constant variable to eliminate typos ala https://github.com/matrix-org/synapse/pull/7637

Based on #7637
2020-06-10 17:44:34 +01:00

264 lines
10 KiB
Python

from mock import Mock
from twisted.internet.defer import ensureDeferred, maybeDeferred, succeed
from synapse.events import make_event_from_dict
from synapse.logging.context import LoggingContext
from synapse.types import Requester, UserID
from synapse.util import Clock
from synapse.util.retryutils import NotRetryingDestination
from tests import unittest
from tests.server import ThreadedMemoryReactorClock, setup_test_homeserver
class MessageAcceptTests(unittest.HomeserverTestCase):
def setUp(self):
self.http_client = Mock()
self.reactor = ThreadedMemoryReactorClock()
self.hs_clock = Clock(self.reactor)
self.homeserver = setup_test_homeserver(
self.addCleanup,
http_client=self.http_client,
clock=self.hs_clock,
reactor=self.reactor,
)
user_id = UserID("us", "test")
our_user = Requester(user_id, None, False, None, None)
room_creator = self.homeserver.get_room_creation_handler()
room_deferred = ensureDeferred(
room_creator.create_room(
our_user, room_creator._presets_dict["public_chat"], ratelimit=False
)
)
self.reactor.advance(0.1)
self.room_id = self.successResultOf(room_deferred)[0]["room_id"]
self.store = self.homeserver.get_datastore()
# Figure out what the most recent event is
most_recent = self.successResultOf(
maybeDeferred(
self.homeserver.get_datastore().get_latest_event_ids_in_room,
self.room_id,
)
)[0]
join_event = make_event_from_dict(
{
"room_id": self.room_id,
"sender": "@baduser:test.serv",
"state_key": "@baduser:test.serv",
"event_id": "$join:test.serv",
"depth": 1000,
"origin_server_ts": 1,
"type": "m.room.member",
"origin": "test.servx",
"content": {"membership": "join"},
"auth_events": [],
"prev_state": [(most_recent, {})],
"prev_events": [(most_recent, {})],
}
)
self.handler = self.homeserver.get_handlers().federation_handler
self.handler.do_auth = lambda origin, event, context, auth_events: succeed(
context
)
self.client = self.homeserver.get_federation_client()
self.client._check_sigs_and_hash_and_fetch = lambda dest, pdus, **k: succeed(
pdus
)
# Send the join, it should return None (which is not an error)
d = ensureDeferred(
self.handler.on_receive_pdu(
"test.serv", join_event, sent_to_us_directly=True
)
)
self.reactor.advance(1)
self.assertEqual(self.successResultOf(d), None)
# Make sure we actually joined the room
self.assertEqual(
self.successResultOf(
maybeDeferred(self.store.get_latest_event_ids_in_room, self.room_id)
)[0],
"$join:test.serv",
)
def test_cant_hide_direct_ancestors(self):
"""
If you send a message, you must be able to provide the direct
prev_events that said event references.
"""
def post_json(destination, path, data, headers=None, timeout=0):
# If it asks us for new missing events, give them NOTHING
if path.startswith("/_matrix/federation/v1/get_missing_events/"):
return {"events": []}
self.http_client.post_json = post_json
# Figure out what the most recent event is
most_recent = self.successResultOf(
maybeDeferred(self.store.get_latest_event_ids_in_room, self.room_id)
)[0]
# Now lie about an event
lying_event = make_event_from_dict(
{
"room_id": self.room_id,
"sender": "@baduser:test.serv",
"event_id": "one:test.serv",
"depth": 1000,
"origin_server_ts": 1,
"type": "m.room.message",
"origin": "test.serv",
"content": {"body": "hewwo?"},
"auth_events": [],
"prev_events": [("two:test.serv", {}), (most_recent, {})],
}
)
with LoggingContext(request="lying_event"):
d = ensureDeferred(
self.handler.on_receive_pdu(
"test.serv", lying_event, sent_to_us_directly=True
)
)
# Step the reactor, so the database fetches come back
self.reactor.advance(1)
# on_receive_pdu should throw an error
failure = self.failureResultOf(d)
self.assertEqual(
failure.value.args[0],
(
"ERROR 403: Your server isn't divulging details about prev_events "
"referenced in this event."
),
)
# Make sure the invalid event isn't there
extrem = maybeDeferred(self.store.get_latest_event_ids_in_room, self.room_id)
self.assertEqual(self.successResultOf(extrem)[0], "$join:test.serv")
def test_retry_device_list_resync(self):
"""Tests that device lists are marked as stale if they couldn't be synced, and
that stale device lists are retried periodically.
"""
remote_user_id = "@john:test_remote"
remote_origin = "test_remote"
# Track the number of attempts to resync the user's device list.
self.resync_attempts = 0
# When this function is called, increment the number of resync attempts (only if
# we're querying devices for the right user ID), then raise a
# NotRetryingDestination error to fail the resync gracefully.
def query_user_devices(destination, user_id):
if user_id == remote_user_id:
self.resync_attempts += 1
raise NotRetryingDestination(0, 0, destination)
# Register the mock on the federation client.
federation_client = self.homeserver.get_federation_client()
federation_client.query_user_devices = Mock(side_effect=query_user_devices)
# Register a mock on the store so that the incoming update doesn't fail because
# we don't share a room with the user.
store = self.homeserver.get_datastore()
store.get_rooms_for_user = Mock(return_value=["!someroom:test"])
# Manually inject a fake device list update. We need this update to include at
# least one prev_id so that the user's device list will need to be retried.
device_list_updater = self.homeserver.get_device_handler().device_list_updater
self.get_success(
device_list_updater.incoming_device_list_update(
origin=remote_origin,
edu_content={
"deleted": False,
"device_display_name": "Mobile",
"device_id": "QBUAZIFURK",
"prev_id": [5],
"stream_id": 6,
"user_id": remote_user_id,
},
)
)
# Check that there was one resync attempt.
self.assertEqual(self.resync_attempts, 1)
# Check that the resync attempt failed and caused the user's device list to be
# marked as stale.
need_resync = self.get_success(
store.get_user_ids_requiring_device_list_resync()
)
self.assertIn(remote_user_id, need_resync)
# Check that waiting for 30 seconds caused Synapse to retry resyncing the device
# list.
self.reactor.advance(30)
self.assertEqual(self.resync_attempts, 2)
def test_cross_signing_keys_retry(self):
"""Tests that resyncing a device list correctly processes cross-signing keys from
the remote server.
"""
remote_user_id = "@john:test_remote"
remote_master_key = "85T7JXPFBAySB/jwby4S3lBPTqY3+Zg53nYuGmu1ggY"
remote_self_signing_key = "QeIiFEjluPBtI7WQdG365QKZcFs9kqmHir6RBD0//nQ"
# Register mock device list retrieval on the federation client.
federation_client = self.homeserver.get_federation_client()
federation_client.query_user_devices = Mock(
return_value={
"user_id": remote_user_id,
"stream_id": 1,
"devices": [],
"master_key": {
"user_id": remote_user_id,
"usage": ["master"],
"keys": {"ed25519:" + remote_master_key: remote_master_key},
},
"self_signing_key": {
"user_id": remote_user_id,
"usage": ["self_signing"],
"keys": {
"ed25519:" + remote_self_signing_key: remote_self_signing_key
},
},
}
)
# Resync the device list.
device_handler = self.homeserver.get_device_handler()
self.get_success(
device_handler.device_list_updater.user_device_resync(remote_user_id),
)
# Retrieve the cross-signing keys for this user.
keys = self.get_success(
self.store.get_e2e_cross_signing_keys_bulk(user_ids=[remote_user_id]),
)
self.assertTrue(remote_user_id in keys)
# Check that the master key is the one returned by the mock.
master_key = keys[remote_user_id]["master"]
self.assertEqual(len(master_key["keys"]), 1)
self.assertTrue("ed25519:" + remote_master_key in master_key["keys"].keys())
self.assertTrue(remote_master_key in master_key["keys"].values())
# Check that the self-signing key is the one returned by the mock.
self_signing_key = keys[remote_user_id]["self_signing"]
self.assertEqual(len(self_signing_key["keys"]), 1)
self.assertTrue(
"ed25519:" + remote_self_signing_key in self_signing_key["keys"].keys(),
)
self.assertTrue(remote_self_signing_key in self_signing_key["keys"].values())