335 lines
11 KiB
Python
335 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2018 New Vector Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import re
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from twisted.internet import defer
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from synapse.api.errors import SynapseError, MatrixCodeMessageException
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from synapse.http.servlet import RestServlet, parse_json_object_from_request
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from synapse.types import Requester, UserID
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from synapse.util.distributor import user_left_room, user_joined_room
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logger = logging.getLogger(__name__)
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@defer.inlineCallbacks
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def remote_join(client, host, port, requester, remote_room_hosts,
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room_id, user_id, content):
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"""Ask the master to do a remote join for the given user to the given room
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Args:
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client (SimpleHttpClient)
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host (str): host of master
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port (int): port on master listening for HTTP replication
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requester (Requester)
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remote_room_hosts (list[str]): Servers to try and join via
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room_id (str)
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user_id (str)
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content (dict): The event content to use for the join event
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Returns:
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Deferred
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"""
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uri = "http://%s:%s/_synapse/replication/remote_join" % (host, port)
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payload = {
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"requester": requester.serialize(),
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"remote_room_hosts": remote_room_hosts,
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"room_id": room_id,
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"user_id": user_id,
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"content": content,
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}
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try:
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result = yield client.post_json_get_json(uri, payload)
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except MatrixCodeMessageException as e:
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# We convert to SynapseError as we know that it was a SynapseError
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# on the master process that we should send to the client. (And
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# importantly, not stack traces everywhere)
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raise SynapseError(e.code, e.msg, e.errcode)
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defer.returnValue(result)
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@defer.inlineCallbacks
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def remote_reject_invite(client, host, port, requester, remote_room_hosts,
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room_id, user_id):
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"""Ask master to reject the invite for the user and room.
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Args:
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client (SimpleHttpClient)
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host (str): host of master
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port (int): port on master listening for HTTP replication
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requester (Requester)
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remote_room_hosts (list[str]): Servers to try and reject via
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room_id (str)
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user_id (str)
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Returns:
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Deferred
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"""
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uri = "http://%s:%s/_synapse/replication/remote_reject_invite" % (host, port)
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payload = {
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"requester": requester.serialize(),
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"remote_room_hosts": remote_room_hosts,
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"room_id": room_id,
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"user_id": user_id,
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}
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try:
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result = yield client.post_json_get_json(uri, payload)
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except MatrixCodeMessageException as e:
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# We convert to SynapseError as we know that it was a SynapseError
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# on the master process that we should send to the client. (And
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# importantly, not stack traces everywhere)
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raise SynapseError(e.code, e.msg, e.errcode)
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defer.returnValue(result)
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@defer.inlineCallbacks
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def get_or_register_3pid_guest(client, host, port, requester,
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medium, address, inviter_user_id):
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"""Ask the master to get/create a guest account for given 3PID.
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Args:
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client (SimpleHttpClient)
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host (str): host of master
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port (int): port on master listening for HTTP replication
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requester (Requester)
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medium (str)
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address (str)
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inviter_user_id (str): The user ID who is trying to invite the
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3PID
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Returns:
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Deferred[(str, str)]: A 2-tuple of `(user_id, access_token)` of the
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3PID guest account.
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"""
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uri = "http://%s:%s/_synapse/replication/get_or_register_3pid_guest" % (host, port)
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payload = {
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"requester": requester.serialize(),
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"medium": medium,
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"address": address,
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"inviter_user_id": inviter_user_id,
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}
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try:
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result = yield client.post_json_get_json(uri, payload)
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except MatrixCodeMessageException as e:
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# We convert to SynapseError as we know that it was a SynapseError
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# on the master process that we should send to the client. (And
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# importantly, not stack traces everywhere)
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raise SynapseError(e.code, e.msg, e.errcode)
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defer.returnValue(result)
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@defer.inlineCallbacks
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def notify_user_membership_change(client, host, port, user_id, room_id, change):
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"""Notify master that a user has joined or left the room
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Args:
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client (SimpleHttpClient)
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host (str): host of master
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port (int): port on master listening for HTTP replication.
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user_id (str)
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room_id (str)
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change (str): Either "join" or "left"
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Returns:
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Deferred
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"""
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assert change in ("joined", "left")
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uri = "http://%s:%s/_synapse/replication/user_%s_room" % (host, port, change)
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payload = {
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"user_id": user_id,
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"room_id": room_id,
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}
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try:
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result = yield client.post_json_get_json(uri, payload)
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except MatrixCodeMessageException as e:
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# We convert to SynapseError as we know that it was a SynapseError
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# on the master process that we should send to the client. (And
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# importantly, not stack traces everywhere)
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raise SynapseError(e.code, e.msg, e.errcode)
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defer.returnValue(result)
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class ReplicationRemoteJoinRestServlet(RestServlet):
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PATTERNS = [re.compile("^/_synapse/replication/remote_join$")]
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def __init__(self, hs):
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super(ReplicationRemoteJoinRestServlet, self).__init__()
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self.federation_handler = hs.get_handlers().federation_handler
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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@defer.inlineCallbacks
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def on_POST(self, request):
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content = parse_json_object_from_request(request)
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remote_room_hosts = content["remote_room_hosts"]
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room_id = content["room_id"]
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user_id = content["user_id"]
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event_content = content["content"]
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requester = Requester.deserialize(self.store, content["requester"])
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if requester.user:
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request.authenticated_entity = requester.user.to_string()
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logger.info(
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"remote_join: %s into room: %s",
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user_id, room_id,
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)
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yield self.federation_handler.do_invite_join(
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remote_room_hosts,
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room_id,
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user_id,
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event_content,
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)
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defer.returnValue((200, {}))
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class ReplicationRemoteRejectInviteRestServlet(RestServlet):
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PATTERNS = [re.compile("^/_synapse/replication/remote_reject_invite$")]
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def __init__(self, hs):
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super(ReplicationRemoteRejectInviteRestServlet, self).__init__()
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self.federation_handler = hs.get_handlers().federation_handler
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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@defer.inlineCallbacks
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def on_POST(self, request):
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content = parse_json_object_from_request(request)
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remote_room_hosts = content["remote_room_hosts"]
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room_id = content["room_id"]
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user_id = content["user_id"]
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requester = Requester.deserialize(self.store, content["requester"])
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if requester.user:
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request.authenticated_entity = requester.user.to_string()
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logger.info(
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"remote_reject_invite: %s out of room: %s",
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user_id, room_id,
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)
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try:
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event = yield self.federation_handler.do_remotely_reject_invite(
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remote_room_hosts,
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room_id,
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user_id,
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)
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ret = event.get_pdu_json()
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except Exception as e:
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# if we were unable to reject the exception, just mark
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# it as rejected on our end and plough ahead.
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#
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# The 'except' clause is very broad, but we need to
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# capture everything from DNS failures upwards
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#
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logger.warn("Failed to reject invite: %s", e)
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yield self.store.locally_reject_invite(
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user_id, room_id
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)
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ret = {}
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defer.returnValue((200, ret))
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class ReplicationRegister3PIDGuestRestServlet(RestServlet):
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PATTERNS = [re.compile("^/_synapse/replication/get_or_register_3pid_guest$")]
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def __init__(self, hs):
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super(ReplicationRegister3PIDGuestRestServlet, self).__init__()
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self.registeration_handler = hs.get_handlers().registration_handler
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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@defer.inlineCallbacks
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def on_POST(self, request):
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content = parse_json_object_from_request(request)
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medium = content["medium"]
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address = content["address"]
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inviter_user_id = content["inviter_user_id"]
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requester = Requester.deserialize(self.store, content["requester"])
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if requester.user:
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request.authenticated_entity = requester.user.to_string()
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logger.info("get_or_register_3pid_guest: %r", content)
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ret = yield self.registeration_handler.get_or_register_3pid_guest(
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medium, address, inviter_user_id,
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)
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defer.returnValue((200, ret))
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class ReplicationUserJoinedLeftRoomRestServlet(RestServlet):
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PATTERNS = [re.compile("^/_synapse/replication/user_(?P<change>joined|left)_room$")]
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def __init__(self, hs):
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super(ReplicationUserJoinedLeftRoomRestServlet, self).__init__()
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self.registeration_handler = hs.get_handlers().registration_handler
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self.store = hs.get_datastore()
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self.clock = hs.get_clock()
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self.distributor = hs.get_distributor()
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def on_POST(self, request, change):
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content = parse_json_object_from_request(request)
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user_id = content["user_id"]
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room_id = content["room_id"]
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logger.info("user membership change: %s in %s", user_id, room_id)
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user = UserID.from_string(user_id)
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if change == "joined":
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user_joined_room(self.distributor, user, room_id)
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elif change == "left":
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user_left_room(self.distributor, user, room_id)
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else:
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raise Exception("Unrecognized change: %r", change)
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return (200, {})
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def register_servlets(hs, http_server):
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ReplicationRemoteJoinRestServlet(hs).register(http_server)
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ReplicationRemoteRejectInviteRestServlet(hs).register(http_server)
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ReplicationRegister3PIDGuestRestServlet(hs).register(http_server)
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ReplicationUserJoinedLeftRoomRestServlet(hs).register(http_server)
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