def send_request(destination):
ret = yield self.transport_layer.make_membership_event(
destination, room_id, user_id, membership, params
)
# Note: If not supplied, the room version may be either v1 or v2,
# however either way the event format version will be v1.
room_version = ret.get("room_version", RoomVersions.V1.identifier)
event_format = room_version_to_event_format(room_version)
pdu_dict = ret.get("event", None)
if not isinstance(pdu_dict, dict):
raise InvalidResponseError("Bad 'event' field in response")
logger.debug("Got response to make_%s: %s", membership, pdu_dict)
pdu_dict["content"].update(content)
# The protoevent received over the JSON wire may not have all
# the required fields. Lets just gloss over that because
# there's some we never care about
if "prev_state" not in pdu_dict:
pdu_dict["prev_state"] = []
ev = builder.create_local_event_from_event_dict(
self._clock,
self.hostname,
self.signing_key,
format_version=event_format,
event_dict=pdu_dict,
)
return (destination, ev, event_format)
def send_request(destination):
ret = yield self.transport_layer.make_membership_event(
destination, room_id, user_id, membership, params,
)
# Note: If not supplied, the room version may be either v1 or v2,
# however either way the event format version will be v1.
room_version = ret.get("room_version", RoomVersions.V1.identifier)
event_format = room_version_to_event_format(room_version)
pdu_dict = ret.get("event", None)
if not isinstance(pdu_dict, dict):
raise InvalidResponseError("Bad 'event' field in response")
logger.debug("Got response to make_%s: %s", membership, pdu_dict)
pdu_dict["content"].update(content)
# The protoevent received over the JSON wire may not have all
# the required fields. Lets just gloss over that because
# there's some we never care about
if "prev_state" not in pdu_dict:
pdu_dict["prev_state"] = []
ev = builder.create_local_event_from_event_dict(
self._clock, self.hostname, self.signing_key,
format_version=event_format, event_dict=pdu_dict,
)
defer.returnValue(
(destination, ev, event_format)
)
def test_room_state_returned_when_knocking(self):
"""
Tests that specific, stripped state events from a room are returned after
a remote homeserver successfully knocks on a local room.
"""
user_id = self.register_user("u1", "you the one")
user_token = self.login("u1", "you the one")
fake_knocking_user_id = "@user:other.example.com"
# Create a room with a room version that includes knocking
room_id = self.helper.create_room_as(
"u1",
is_public=False,
room_version=RoomVersions.V7.identifier,
tok=user_token,
)
# Update the join rules and add additional state to the room to check for later
expected_room_state = self.send_example_state_events_to_room(
self.hs, room_id, user_id)
channel = self.make_signed_federation_request(
"GET",
"/_matrix/federation/v1/make_knock/%s/%s?ver=%s" % (
room_id,
fake_knocking_user_id,
# Inform the remote that we support the room version of the room we're
# knocking on
RoomVersions.V7.identifier,
),
)
self.assertEqual(200, channel.code, channel.result)
# Note: We don't expect the knock membership event to be sent over federation as
# part of the stripped room state, as the knocking homeserver already has that
# event. It is only done for clients during /sync
# Extract the generated knock event json
knock_event = channel.json_body["event"]
# Check that the event has things we expect in it
self.assertEqual(knock_event["room_id"], room_id)
self.assertEqual(knock_event["sender"], fake_knocking_user_id)
self.assertEqual(knock_event["state_key"], fake_knocking_user_id)
self.assertEqual(knock_event["type"], EventTypes.Member)
self.assertEqual(knock_event["content"]["membership"],
Membership.KNOCK)
# Turn the event json dict into a proper event.
# We won't sign it properly, but that's OK as we stub out event auth in `prepare`
signed_knock_event = builder.create_local_event_from_event_dict(
self.clock,
self.hs.hostname,
self.hs.signing_key,
room_version=RoomVersions.V7,
event_dict=knock_event,
)
# Convert our proper event back to json dict format
signed_knock_event_json = signed_knock_event.get_pdu_json(
self.clock.time_msec())
# Send the signed knock event into the room
channel = self.make_signed_federation_request(
"PUT",
"/_matrix/federation/v1/send_knock/%s/%s" %
(room_id, signed_knock_event.event_id),
signed_knock_event_json,
)
self.assertEqual(200, channel.code, channel.result)
# Check that we got the stripped room state in return
room_state_events = channel.json_body["knock_state_events"]
# Validate the stripped room state events
self.check_knock_room_state_against_room_state(room_state_events,
expected_room_state)
async def _locally_reject_invite(
self,
invite_event: EventBase,
txn_id: Optional[str],
requester: Requester,
content: JsonDict,
) -> Tuple[str, int]:
"""Generate a local invite rejection
This is called after we fail to reject an invite via a remote server. It
generates an out-of-band membership event locally.
Args:
invite_event: the invite to be rejected
txn_id: optional transaction ID supplied by the client
requester: user making the rejection request, according to the access token
content: additional content to include in the rejection event.
Normally an empty dict.
"""
room_id = invite_event.room_id
target_user = invite_event.state_key
room_version = await self.store.get_room_version(room_id)
content["membership"] = Membership.LEAVE
# the auth events for the new event are the same as that of the invite, plus
# the invite itself.
#
# the prev_events are just the invite.
invite_hash = invite_event.event_id # type: Union[str, Tuple]
if room_version.event_format == EventFormatVersions.V1:
alg, h = compute_event_reference_hash(invite_event)
invite_hash = (invite_event.event_id, {alg: encode_base64(h)})
auth_events = tuple(invite_event.auth_events) + (invite_hash, )
prev_events = (invite_hash, )
# we cap depth of generated events, to ensure that they are not
# rejected by other servers (and so that they can be persisted in
# the db)
depth = min(invite_event.depth + 1, MAX_DEPTH)
event_dict = {
"depth": depth,
"auth_events": auth_events,
"prev_events": prev_events,
"type": EventTypes.Member,
"room_id": room_id,
"sender": target_user,
"content": content,
"state_key": target_user,
}
event = create_local_event_from_event_dict(
clock=self.clock,
hostname=self.hs.hostname,
signing_key=self.hs.signing_key,
room_version=room_version,
event_dict=event_dict,
)
event.internal_metadata.outlier = True
event.internal_metadata.out_of_band_membership = True
if txn_id is not None:
event.internal_metadata.txn_id = txn_id
if requester.access_token_id is not None:
event.internal_metadata.token_id = requester.access_token_id
EventValidator().validate_new(event, self.config)
context = await self.state_handler.compute_event_context(event)
context.app_service = requester.app_service
stream_id = await self.event_creation_handler.handle_new_client_event(
requester,
event,
context,
extra_users=[UserID.from_string(target_user)],
)
return event.event_id, stream_id
