MatrixSynapse/synapse/handlers/federation.py

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2014-08-12 16:10:52 +02:00
# -*- coding: utf-8 -*-
# Copyright 2014 matrix.org
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
2014-08-12 16:10:52 +02:00
"""Contains handlers for federation events."""
from ._base import BaseHandler
from synapse.api.events.room import InviteJoinEvent, RoomMemberEvent
from synapse.api.constants import Membership
from synapse.util.logutils import log_function
from twisted.internet import defer
import logging
logger = logging.getLogger(__name__)
class FederationHandler(BaseHandler):
"""Handles events that originated from federation."""
@log_function
@defer.inlineCallbacks
def on_receive(self, event, is_new_state):
if hasattr(event, "state_key") and not is_new_state:
logger.debug("Ignoring old state.")
return
target_is_mine = False
if hasattr(event, "target_host"):
target_is_mine = event.target_host == self.hs.hostname
if event.type == InviteJoinEvent.TYPE:
if not target_is_mine:
logger.debug("Ignoring invite/join event %s", event)
return
# If we receive an invite/join event then we need to join the
# sender to the given room.
# TODO: We should probably auth this or some such
content = event.content
content.update({"membership": Membership.JOIN})
new_event = self.event_factory.create_event(
etype=RoomMemberEvent.TYPE,
target_user_id=event.user_id,
room_id=event.room_id,
user_id=event.user_id,
membership=Membership.JOIN,
content=content
)
yield self.hs.get_handlers().room_member_handler.change_membership(
new_event,
True
)
else:
with (yield self.room_lock.lock(event.room_id)):
store_id = yield self.store.persist_event(event)
yield self.notifier.on_new_room_event(event, store_id)