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- # -*- coding: utf-8 -*-
- # Copyright 2018 New Vector Ltd
- #
- # 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.
- import logging
- from twisted.internet import defer
- from synapse.http.servlet import parse_json_object_from_request
- from synapse.replication.http._base import ReplicationEndpoint
- from synapse.types import Requester, UserID
- from synapse.util.distributor import user_joined_room, user_left_room
- logger = logging.getLogger(__name__)
- class ReplicationRemoteJoinRestServlet(ReplicationEndpoint):
- """Does a remote join for the given user to the given room
- Request format:
- POST /_synapse/replication/remote_join/:room_id/:user_id
- {
- "requester": ...,
- "remote_room_hosts": [...],
- "content": { ... }
- }
- """
- NAME = "remote_join"
- PATH_ARGS = ("room_id", "user_id")
- def __init__(self, hs):
- super(ReplicationRemoteJoinRestServlet, self).__init__(hs)
- self.federation_handler = hs.get_handlers().federation_handler
- self.store = hs.get_datastore()
- self.clock = hs.get_clock()
- @staticmethod
- def _serialize_payload(requester, room_id, user_id, remote_room_hosts, content):
- """
- Args:
- requester(Requester)
- room_id (str)
- user_id (str)
- remote_room_hosts (list[str]): Servers to try and join via
- content(dict): The event content to use for the join event
- """
- return {
- "requester": requester.serialize(),
- "remote_room_hosts": remote_room_hosts,
- "content": content,
- }
- @defer.inlineCallbacks
- def _handle_request(self, request, room_id, user_id):
- content = parse_json_object_from_request(request)
- remote_room_hosts = content["remote_room_hosts"]
- event_content = content["content"]
- requester = Requester.deserialize(self.store, content["requester"])
- if requester.user:
- request.authenticated_entity = requester.user.to_string()
- logger.info("remote_join: %s into room: %s", user_id, room_id)
- yield self.federation_handler.do_invite_join(
- remote_room_hosts, room_id, user_id, event_content
- )
- return (200, {})
- class ReplicationRemoteRejectInviteRestServlet(ReplicationEndpoint):
- """Rejects the invite for the user and room.
- Request format:
- POST /_synapse/replication/remote_reject_invite/:room_id/:user_id
- {
- "requester": ...,
- "remote_room_hosts": [...],
- }
- """
- NAME = "remote_reject_invite"
- PATH_ARGS = ("room_id", "user_id")
- def __init__(self, hs):
- super(ReplicationRemoteRejectInviteRestServlet, self).__init__(hs)
- self.federation_handler = hs.get_handlers().federation_handler
- self.store = hs.get_datastore()
- self.clock = hs.get_clock()
- @staticmethod
- def _serialize_payload(requester, room_id, user_id, remote_room_hosts):
- """
- Args:
- requester(Requester)
- room_id (str)
- user_id (str)
- remote_room_hosts (list[str]): Servers to try and reject via
- """
- return {
- "requester": requester.serialize(),
- "remote_room_hosts": remote_room_hosts,
- }
- @defer.inlineCallbacks
- def _handle_request(self, request, room_id, user_id):
- content = parse_json_object_from_request(request)
- remote_room_hosts = content["remote_room_hosts"]
- requester = Requester.deserialize(self.store, content["requester"])
- if requester.user:
- request.authenticated_entity = requester.user.to_string()
- logger.info("remote_reject_invite: %s out of room: %s", user_id, room_id)
- try:
- event = yield self.federation_handler.do_remotely_reject_invite(
- remote_room_hosts, room_id, user_id
- )
- ret = event.get_pdu_json()
- except Exception as e:
- # if we were unable to reject the exception, just mark
- # it as rejected on our end and plough ahead.
- #
- # The 'except' clause is very broad, but we need to
- # capture everything from DNS failures upwards
- #
- logger.warn("Failed to reject invite: %s", e)
- yield self.store.locally_reject_invite(user_id, room_id)
- ret = {}
- return (200, ret)
- class ReplicationUserJoinedLeftRoomRestServlet(ReplicationEndpoint):
- """Notifies that a user has joined or left the room
- Request format:
- POST /_synapse/replication/membership_change/:room_id/:user_id/:change
- {}
- """
- NAME = "membership_change"
- PATH_ARGS = ("room_id", "user_id", "change")
- CACHE = False # No point caching as should return instantly.
- def __init__(self, hs):
- super(ReplicationUserJoinedLeftRoomRestServlet, self).__init__(hs)
- self.registeration_handler = hs.get_registration_handler()
- self.store = hs.get_datastore()
- self.clock = hs.get_clock()
- self.distributor = hs.get_distributor()
- @staticmethod
- def _serialize_payload(room_id, user_id, change):
- """
- Args:
- room_id (str)
- user_id (str)
- change (str): Either "joined" or "left"
- """
- assert change in ("joined", "left")
- return {}
- def _handle_request(self, request, room_id, user_id, change):
- logger.info("user membership change: %s in %s", user_id, room_id)
- user = UserID.from_string(user_id)
- if change == "joined":
- user_joined_room(self.distributor, user, room_id)
- elif change == "left":
- user_left_room(self.distributor, user, room_id)
- else:
- raise Exception("Unrecognized change: %r", change)
- return (200, {})
- def register_servlets(hs, http_server):
- ReplicationRemoteJoinRestServlet(hs).register(http_server)
- ReplicationRemoteRejectInviteRestServlet(hs).register(http_server)
- ReplicationUserJoinedLeftRoomRestServlet(hs).register(http_server)
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