mirror of
https://mau.dev/maunium/synapse.git
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485 lines
17 KiB
Python
485 lines
17 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 OpenMarket 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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""" This module contains REST servlets to do with rooms: /rooms/<paths> """
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from twisted.internet import defer
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from base import RestServlet, client_path_pattern
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from synapse.api.errors import SynapseError, Codes
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from synapse.streams.config import PaginationConfig
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from synapse.api.events.room import RoomMemberEvent
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from synapse.api.constants import Membership
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import json
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import logging
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import urllib
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logger = logging.getLogger(__name__)
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class RoomCreateRestServlet(RestServlet):
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# No PATTERN; we have custom dispatch rules here
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def register(self, http_server):
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PATTERN = "/createRoom"
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register_txn_path(self, PATTERN, http_server)
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# define CORS for all of /rooms in RoomCreateRestServlet for simplicity
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http_server.register_path("OPTIONS",
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client_path_pattern("/rooms(?:/.*)?$"),
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self.on_OPTIONS)
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# define CORS for /createRoom[/txnid]
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http_server.register_path("OPTIONS",
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client_path_pattern("/createRoom(?:/.*)?$"),
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self.on_OPTIONS)
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@defer.inlineCallbacks
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def on_PUT(self, request, txn_id):
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try:
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defer.returnValue(self.txns.get_client_transaction(request, txn_id))
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except KeyError:
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pass
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response = yield self.on_POST(request)
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self.txns.store_client_transaction(request, txn_id, response)
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defer.returnValue(response)
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@defer.inlineCallbacks
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def on_POST(self, request):
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auth_user = yield self.auth.get_user_by_req(request)
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room_config = self.get_room_config(request)
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info = yield self.make_room(room_config, auth_user, None)
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room_config.update(info)
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defer.returnValue((200, info))
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@defer.inlineCallbacks
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def make_room(self, room_config, auth_user, room_id):
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handler = self.handlers.room_creation_handler
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info = yield handler.create_room(
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user_id=auth_user.to_string(),
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room_id=room_id,
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config=room_config
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)
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defer.returnValue(info)
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def get_room_config(self, request):
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try:
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user_supplied_config = json.loads(request.content.read())
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if "visibility" not in user_supplied_config:
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# default visibility
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user_supplied_config["visibility"] = "public"
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return user_supplied_config
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except (ValueError, TypeError):
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raise SynapseError(400, "Body must be JSON.",
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errcode=Codes.BAD_JSON)
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def on_OPTIONS(self, request):
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return (200, {})
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# TODO: Needs unit testing for generic events
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class RoomStateEventRestServlet(RestServlet):
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def register(self, http_server):
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# /room/$roomid/state/$eventtype
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no_state_key = "/rooms/(?P<room_id>[^/]*)/state/(?P<event_type>[^/]*)$"
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# /room/$roomid/state/$eventtype/$statekey
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state_key = ("/rooms/(?P<room_id>[^/]*)/state/" +
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"(?P<event_type>[^/]*)/(?P<state_key>[^/]*)$")
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http_server.register_path("GET",
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client_path_pattern(state_key),
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self.on_GET)
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http_server.register_path("PUT",
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client_path_pattern(state_key),
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self.on_PUT)
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http_server.register_path("GET",
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client_path_pattern(no_state_key),
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self.on_GET_no_state_key)
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http_server.register_path("PUT",
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client_path_pattern(no_state_key),
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self.on_PUT_no_state_key)
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def on_GET_no_state_key(self, request, room_id, event_type):
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return self.on_GET(request, room_id, event_type, "")
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def on_PUT_no_state_key(self, request, room_id, event_type):
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return self.on_PUT(request, room_id, event_type, "")
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@defer.inlineCallbacks
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def on_GET(self, request, room_id, event_type, state_key):
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user = yield self.auth.get_user_by_req(request)
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msg_handler = self.handlers.message_handler
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data = yield msg_handler.get_room_data(
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user_id=user.to_string(),
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room_id=urllib.unquote(room_id),
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event_type=urllib.unquote(event_type),
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state_key=urllib.unquote(state_key),
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)
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if not data:
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raise SynapseError(404, "Event not found.", errcode=Codes.NOT_FOUND)
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defer.returnValue((200, data[0].get_dict()["content"]))
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@defer.inlineCallbacks
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def on_PUT(self, request, room_id, event_type, state_key):
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user = yield self.auth.get_user_by_req(request)
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event_type = urllib.unquote(event_type)
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content = _parse_json(request)
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event = self.event_factory.create_event(
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etype=event_type,
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content=content,
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room_id=urllib.unquote(room_id),
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user_id=user.to_string(),
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state_key=urllib.unquote(state_key)
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)
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if event_type == RoomMemberEvent.TYPE:
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# membership events are special
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handler = self.handlers.room_member_handler
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yield handler.change_membership(event)
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defer.returnValue((200, ""))
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else:
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# store random bits of state
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msg_handler = self.handlers.message_handler
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yield msg_handler.store_room_data(
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event=event
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)
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defer.returnValue((200, ""))
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# TODO: Needs unit testing for generic events + feedback
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class RoomSendEventRestServlet(RestServlet):
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def register(self, http_server):
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# /rooms/$roomid/send/$event_type[/$txn_id]
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PATTERN = ("/rooms/(?P<room_id>[^/]*)/send/(?P<event_type>[^/]*)")
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register_txn_path(self, PATTERN, http_server, with_get=True)
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@defer.inlineCallbacks
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def on_POST(self, request, room_id, event_type):
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user = yield self.auth.get_user_by_req(request)
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content = _parse_json(request)
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event = self.event_factory.create_event(
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etype=event_type,
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room_id=urllib.unquote(room_id),
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user_id=user.to_string(),
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content=content
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)
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msg_handler = self.handlers.message_handler
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yield msg_handler.send_message(event)
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defer.returnValue((200, {"event_id": event.event_id}))
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def on_GET(self, request, room_id, event_type, txn_id):
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return (200, "Not implemented")
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@defer.inlineCallbacks
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def on_PUT(self, request, room_id, event_type, txn_id):
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try:
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defer.returnValue(self.txns.get_client_transaction(request, txn_id))
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except KeyError:
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pass
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response = yield self.on_POST(request, room_id, event_type)
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self.txns.store_client_transaction(request, txn_id, response)
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defer.returnValue(response)
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# TODO: Needs unit testing for room ID + alias joins
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class JoinRoomAliasServlet(RestServlet):
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def register(self, http_server):
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# /join/$room_identifier[/$txn_id]
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PATTERN = ("/join/(?P<room_identifier>[^/]*)")
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register_txn_path(self, PATTERN, http_server)
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@defer.inlineCallbacks
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def on_POST(self, request, room_identifier):
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user = yield self.auth.get_user_by_req(request)
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# the identifier could be a room alias or a room id. Try one then the
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# other if it fails to parse, without swallowing other valid
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# SynapseErrors.
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identifier = None
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is_room_alias = False
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try:
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identifier = self.hs.parse_roomalias(
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urllib.unquote(room_identifier)
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)
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is_room_alias = True
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except SynapseError:
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identifier = self.hs.parse_roomid(
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urllib.unquote(room_identifier)
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)
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# TODO: Support for specifying the home server to join with?
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if is_room_alias:
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handler = self.handlers.room_member_handler
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ret_dict = yield handler.join_room_alias(user, identifier)
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defer.returnValue((200, ret_dict))
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else: # room id
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event = self.event_factory.create_event(
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etype=RoomMemberEvent.TYPE,
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content={"membership": Membership.JOIN},
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room_id=urllib.unquote(identifier.to_string()),
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user_id=user.to_string(),
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state_key=user.to_string()
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)
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handler = self.handlers.room_member_handler
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yield handler.change_membership(event)
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defer.returnValue((200, ""))
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@defer.inlineCallbacks
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def on_PUT(self, request, room_identifier, txn_id):
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try:
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defer.returnValue(self.txns.get_client_transaction(request, txn_id))
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except KeyError:
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pass
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response = yield self.on_POST(request, room_identifier)
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self.txns.store_client_transaction(request, txn_id, response)
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defer.returnValue(response)
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# TODO: Needs unit testing
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class PublicRoomListRestServlet(RestServlet):
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PATTERN = client_path_pattern("/publicRooms$")
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@defer.inlineCallbacks
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def on_GET(self, request):
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handler = self.handlers.room_list_handler
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data = yield handler.get_public_room_list()
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defer.returnValue((200, data))
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# TODO: Needs unit testing
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class RoomMemberListRestServlet(RestServlet):
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PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/members$")
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@defer.inlineCallbacks
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def on_GET(self, request, room_id):
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# TODO support Pagination stream API (limit/tokens)
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user = yield self.auth.get_user_by_req(request)
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handler = self.handlers.room_member_handler
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members = yield handler.get_room_members_as_pagination_chunk(
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room_id=urllib.unquote(room_id),
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user_id=user.to_string())
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for event in members["chunk"]:
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# FIXME: should probably be state_key here, not user_id
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target_user = self.hs.parse_userid(event["user_id"])
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# Presence is an optional cache; don't fail if we can't fetch it
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try:
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presence_state = yield self.handlers.presence_handler.get_state(
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target_user=target_user, auth_user=user
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)
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event["content"].update(presence_state)
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except:
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pass
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defer.returnValue((200, members))
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# TODO: Needs unit testing
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class RoomMessageListRestServlet(RestServlet):
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PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/messages$")
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@defer.inlineCallbacks
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def on_GET(self, request, room_id):
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user = yield self.auth.get_user_by_req(request)
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pagination_config = PaginationConfig.from_request(request)
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with_feedback = "feedback" in request.args
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handler = self.handlers.message_handler
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msgs = yield handler.get_messages(
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room_id=urllib.unquote(room_id),
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user_id=user.to_string(),
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pagin_config=pagination_config,
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feedback=with_feedback)
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defer.returnValue((200, msgs))
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# TODO: Needs unit testing
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class RoomStateRestServlet(RestServlet):
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PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/state$")
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@defer.inlineCallbacks
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def on_GET(self, request, room_id):
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user = yield self.auth.get_user_by_req(request)
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# TODO: Get all the current state for this room and return in the same
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# format as initial sync, that is:
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# [
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# { state event }, { state event }
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# ]
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defer.returnValue((200, []))
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# TODO: Needs unit testing
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class RoomInitialSyncRestServlet(RestServlet):
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PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/initialSync$")
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@defer.inlineCallbacks
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def on_GET(self, request, room_id):
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user = yield self.auth.get_user_by_req(request)
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# TODO: Get all the initial sync data for this room and return in the
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# same format as initial sync, that is:
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# {
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# membership: join,
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# messages: [
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# chunk: [ msg events ],
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# start: s_tok,
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# end: e_tok
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# ],
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# room_id: foo,
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# state: [
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# { state event } , { state event }
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# ]
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# }
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# Probably worth keeping the keys room_id and membership for parity with
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# /initialSync even though they must be joined to sync this and know the
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# room ID, so clients can reuse the same code (room_id and membership
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# are MANDATORY for /initialSync, so the code will expect it to be
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# there)
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defer.returnValue((200, {}))
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class RoomTriggerBackfill(RestServlet):
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PATTERN = client_path_pattern("/rooms/(?P<room_id>[^/]*)/backfill$")
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@defer.inlineCallbacks
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def on_GET(self, request, room_id):
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remote_server = urllib.unquote(request.args["remote"][0])
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room_id = urllib.unquote(room_id)
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limit = int(request.args["limit"][0])
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handler = self.handlers.federation_handler
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events = yield handler.backfill(remote_server, room_id, limit)
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res = [event.get_dict() for event in events]
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defer.returnValue((200, res))
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# TODO: Needs unit testing
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class RoomMembershipRestServlet(RestServlet):
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def register(self, http_server):
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# /rooms/$roomid/[invite|join|leave]
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PATTERN = ("/rooms/(?P<room_id>[^/]*)/" +
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"(?P<membership_action>join|invite|leave|ban)")
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register_txn_path(self, PATTERN, http_server)
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@defer.inlineCallbacks
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def on_POST(self, request, room_id, membership_action):
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user = yield self.auth.get_user_by_req(request)
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content = _parse_json(request)
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# target user is you unless it is an invite
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state_key = user.to_string()
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if membership_action in ["invite", "ban"]:
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if "user_id" not in content:
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raise SynapseError(400, "Missing user_id key.")
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state_key = content["user_id"]
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event = self.event_factory.create_event(
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etype=RoomMemberEvent.TYPE,
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content={"membership": unicode(membership_action)},
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room_id=urllib.unquote(room_id),
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user_id=user.to_string(),
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state_key=state_key
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)
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handler = self.handlers.room_member_handler
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yield handler.change_membership(event)
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defer.returnValue((200, ""))
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@defer.inlineCallbacks
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def on_PUT(self, request, room_id, membership_action, txn_id):
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try:
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defer.returnValue(self.txns.get_client_transaction(request, txn_id))
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except KeyError:
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pass
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response = yield self.on_POST(request, room_id, membership_action)
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self.txns.store_client_transaction(request, txn_id, response)
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defer.returnValue(response)
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def _parse_json(request):
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try:
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content = json.loads(request.content.read())
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if type(content) != dict:
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raise SynapseError(400, "Content must be a JSON object.",
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errcode=Codes.NOT_JSON)
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return content
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except ValueError:
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raise SynapseError(400, "Content not JSON.", errcode=Codes.NOT_JSON)
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def register_txn_path(servlet, regex_string, http_server, with_get=False):
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"""Registers a transaction-based path.
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This registers two paths:
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PUT regex_string/$txnid
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POST regex_string
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Args:
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regex_string (str): The regex string to register. Must NOT have a
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trailing $ as this string will be appended to.
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http_server : The http_server to register paths with.
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with_get: True to also register respective GET paths for the PUTs.
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"""
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http_server.register_path(
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"POST",
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client_path_pattern(regex_string + "$"),
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servlet.on_POST
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)
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http_server.register_path(
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"PUT",
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client_path_pattern(regex_string + "/(?P<txn_id>[^/]*)$"),
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servlet.on_PUT
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)
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if with_get:
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http_server.register_path(
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"GET",
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client_path_pattern(regex_string + "/(?P<txn_id>[^/]*)$"),
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servlet.on_GET
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)
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def register_servlets(hs, http_server):
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RoomStateEventRestServlet(hs).register(http_server)
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RoomCreateRestServlet(hs).register(http_server)
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RoomMemberListRestServlet(hs).register(http_server)
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RoomMessageListRestServlet(hs).register(http_server)
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JoinRoomAliasServlet(hs).register(http_server)
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RoomTriggerBackfill(hs).register(http_server)
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RoomMembershipRestServlet(hs).register(http_server)
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RoomSendEventRestServlet(hs).register(http_server)
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PublicRoomListRestServlet(hs).register(http_server)
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RoomStateRestServlet(hs).register(http_server)
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RoomInitialSyncRestServlet(hs).register(http_server)
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