mirror of
https://git.anonymousland.org/anonymousland/synapse.git
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1369 lines
49 KiB
Python
1369 lines
49 KiB
Python
# Copyright 2014-2016 OpenMarket Ltd
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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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""" This module contains REST servlets to do with rooms: /rooms/<paths> """
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import logging
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import re
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from typing import TYPE_CHECKING, Dict, List, Optional, Tuple
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from urllib import parse as urlparse
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from synapse.api.constants import EventContentFields, EventTypes, Membership
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from synapse.api.errors import (
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AuthError,
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Codes,
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HttpResponseException,
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InvalidClientCredentialsError,
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ShadowBanError,
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SynapseError,
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)
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from synapse.api.filtering import Filter
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from synapse.events.utils import format_event_for_client_v2
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from synapse.http.servlet import (
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RestServlet,
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assert_params_in_dict,
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parse_boolean,
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parse_integer,
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parse_json_object_from_request,
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parse_string,
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parse_strings_from_args,
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)
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from synapse.http.site import SynapseRequest
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from synapse.logging.opentracing import set_tag
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from synapse.rest.client.transactions import HttpTransactionCache
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from synapse.rest.client.v2_alpha._base import client_patterns
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from synapse.storage.state import StateFilter
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from synapse.streams.config import PaginationConfig
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from synapse.types import (
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JsonDict,
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RoomAlias,
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RoomID,
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StreamToken,
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ThirdPartyInstanceID,
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UserID,
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)
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from synapse.util import json_decoder
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from synapse.util.stringutils import parse_and_validate_server_name, random_string
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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logger = logging.getLogger(__name__)
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class TransactionRestServlet(RestServlet):
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def __init__(self, hs):
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super().__init__()
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self.txns = HttpTransactionCache(hs)
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class RoomCreateRestServlet(TransactionRestServlet):
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# No PATTERN; we have custom dispatch rules here
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def __init__(self, hs):
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super().__init__(hs)
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self._room_creation_handler = hs.get_room_creation_handler()
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self.auth = hs.get_auth()
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def register(self, http_server):
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PATTERNS = "/createRoom"
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register_txn_path(self, PATTERNS, http_server)
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def on_PUT(self, request, txn_id):
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set_tag("txn_id", txn_id)
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return self.txns.fetch_or_execute_request(request, self.on_POST, request)
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async def on_POST(self, request):
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requester = await self.auth.get_user_by_req(request)
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info, _ = await self._room_creation_handler.create_room(
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requester, self.get_room_config(request)
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)
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return 200, info
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def get_room_config(self, request):
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user_supplied_config = parse_json_object_from_request(request)
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return user_supplied_config
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# TODO: Needs unit testing for generic events
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class RoomStateEventRestServlet(TransactionRestServlet):
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def __init__(self, hs):
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super().__init__(hs)
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self.event_creation_handler = hs.get_event_creation_handler()
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self.room_member_handler = hs.get_room_member_handler()
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self.message_handler = hs.get_message_handler()
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self.auth = hs.get_auth()
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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 = (
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"/rooms/(?P<room_id>[^/]*)/state/"
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"(?P<event_type>[^/]*)/(?P<state_key>[^/]*)$"
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)
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http_server.register_paths(
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"GET",
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client_patterns(state_key, v1=True),
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self.on_GET,
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self.__class__.__name__,
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)
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http_server.register_paths(
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"PUT",
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client_patterns(state_key, v1=True),
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self.on_PUT,
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self.__class__.__name__,
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)
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http_server.register_paths(
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"GET",
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client_patterns(no_state_key, v1=True),
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self.on_GET_no_state_key,
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self.__class__.__name__,
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)
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http_server.register_paths(
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"PUT",
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client_patterns(no_state_key, v1=True),
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self.on_PUT_no_state_key,
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self.__class__.__name__,
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)
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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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async def on_GET(self, request, room_id, event_type, state_key):
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requester = await self.auth.get_user_by_req(request, allow_guest=True)
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format = parse_string(
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request, "format", default="content", allowed_values=["content", "event"]
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)
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msg_handler = self.message_handler
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data = await msg_handler.get_room_data(
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user_id=requester.user.to_string(),
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room_id=room_id,
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event_type=event_type,
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state_key=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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if format == "event":
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event = format_event_for_client_v2(data.get_dict())
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return 200, event
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elif format == "content":
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return 200, data.get_dict()["content"]
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async def on_PUT(self, request, room_id, event_type, state_key, txn_id=None):
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requester = await self.auth.get_user_by_req(request)
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if txn_id:
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set_tag("txn_id", txn_id)
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content = parse_json_object_from_request(request)
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event_dict = {
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"type": event_type,
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"content": content,
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"room_id": room_id,
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"sender": requester.user.to_string(),
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}
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if state_key is not None:
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event_dict["state_key"] = state_key
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try:
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if event_type == EventTypes.Member:
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membership = content.get("membership", None)
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event_id, _ = await self.room_member_handler.update_membership(
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requester,
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target=UserID.from_string(state_key),
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room_id=room_id,
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action=membership,
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content=content,
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)
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else:
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(
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event,
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_,
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) = await self.event_creation_handler.create_and_send_nonmember_event(
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requester, event_dict, txn_id=txn_id
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)
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event_id = event.event_id
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except ShadowBanError:
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event_id = "$" + random_string(43)
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set_tag("event_id", event_id)
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ret = {"event_id": event_id}
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return 200, ret
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# TODO: Needs unit testing for generic events + feedback
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class RoomSendEventRestServlet(TransactionRestServlet):
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def __init__(self, hs):
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super().__init__(hs)
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self.event_creation_handler = hs.get_event_creation_handler()
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self.auth = hs.get_auth()
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def register(self, http_server):
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# /rooms/$roomid/send/$event_type[/$txn_id]
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PATTERNS = "/rooms/(?P<room_id>[^/]*)/send/(?P<event_type>[^/]*)"
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register_txn_path(self, PATTERNS, http_server, with_get=True)
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async def on_POST(self, request, room_id, event_type, txn_id=None):
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requester = await self.auth.get_user_by_req(request, allow_guest=True)
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content = parse_json_object_from_request(request)
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event_dict = {
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"type": event_type,
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"content": content,
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"room_id": room_id,
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"sender": requester.user.to_string(),
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}
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if b"ts" in request.args and requester.app_service:
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event_dict["origin_server_ts"] = parse_integer(request, "ts", 0)
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try:
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(
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event,
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_,
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) = await self.event_creation_handler.create_and_send_nonmember_event(
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requester, event_dict, txn_id=txn_id
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)
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event_id = event.event_id
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except ShadowBanError:
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event_id = "$" + random_string(43)
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set_tag("event_id", event_id)
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return 200, {"event_id": 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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def on_PUT(self, request, room_id, event_type, txn_id):
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set_tag("txn_id", txn_id)
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return self.txns.fetch_or_execute_request(
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request, self.on_POST, request, room_id, event_type, txn_id
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)
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class RoomBatchSendEventRestServlet(TransactionRestServlet):
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"""
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API endpoint which can insert a chunk of events historically back in time
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next to the given `prev_event`.
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`chunk_id` comes from `next_chunk_id `in the response of the batch send
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endpoint and is derived from the "insertion" events added to each chunk.
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It's not required for the first batch send.
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`state_events_at_start` is used to define the historical state events
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needed to auth the events like join events. These events will float
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outside of the normal DAG as outlier's and won't be visible in the chat
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history which also allows us to insert multiple chunks without having a bunch
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of `@mxid joined the room` noise between each chunk.
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`events` is chronological chunk/list of events you want to insert.
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There is a reverse-chronological constraint on chunks so once you insert
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some messages, you can only insert older ones after that.
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tldr; Insert chunks from your most recent history -> oldest history.
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POST /_matrix/client/unstable/org.matrix.msc2716/rooms/<roomID>/batch_send?prev_event=<eventID>&chunk_id=<chunkID>
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{
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"events": [ ... ],
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"state_events_at_start": [ ... ]
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}
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"""
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PATTERNS = (
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re.compile(
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"^/_matrix/client/unstable/org.matrix.msc2716"
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"/rooms/(?P<room_id>[^/]*)/batch_send$"
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),
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)
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def __init__(self, hs):
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super().__init__(hs)
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self.hs = hs
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self.store = hs.get_datastore()
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self.state_store = hs.get_storage().state
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self.event_creation_handler = hs.get_event_creation_handler()
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self.room_member_handler = hs.get_room_member_handler()
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self.auth = hs.get_auth()
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async def inherit_depth_from_prev_ids(self, prev_event_ids) -> int:
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(
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most_recent_prev_event_id,
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most_recent_prev_event_depth,
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) = await self.store.get_max_depth_of(prev_event_ids)
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# We want to insert the historical event after the `prev_event` but before the successor event
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#
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# We inherit depth from the successor event instead of the `prev_event`
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# because events returned from `/messages` are first sorted by `topological_ordering`
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# which is just the `depth` and then tie-break with `stream_ordering`.
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#
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# We mark these inserted historical events as "backfilled" which gives them a
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# negative `stream_ordering`. If we use the same depth as the `prev_event`,
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# then our historical event will tie-break and be sorted before the `prev_event`
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# when it should come after.
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#
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# We want to use the successor event depth so they appear after `prev_event` because
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# it has a larger `depth` but before the successor event because the `stream_ordering`
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# is negative before the successor event.
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successor_event_ids = await self.store.get_successor_events(
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[most_recent_prev_event_id]
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)
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# If we can't find any successor events, then it's a forward extremity of
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# historical messages and we can just inherit from the previous historical
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# event which we can already assume has the correct depth where we want
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# to insert into.
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if not successor_event_ids:
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depth = most_recent_prev_event_depth
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else:
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(
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_,
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oldest_successor_depth,
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) = await self.store.get_min_depth_of(successor_event_ids)
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depth = oldest_successor_depth
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return depth
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async def on_POST(self, request, room_id):
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requester = await self.auth.get_user_by_req(request, allow_guest=False)
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if not requester.app_service:
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raise AuthError(
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403,
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"Only application services can use the /batchsend endpoint",
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)
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body = parse_json_object_from_request(request)
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assert_params_in_dict(body, ["state_events_at_start", "events"])
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prev_events_from_query = parse_strings_from_args(request.args, "prev_event")
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chunk_id_from_query = parse_string(request, "chunk_id", default=None)
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if prev_events_from_query is None:
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raise SynapseError(
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400,
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"prev_event query parameter is required when inserting historical messages back in time",
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errcode=Codes.MISSING_PARAM,
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)
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# For the event we are inserting next to (`prev_events_from_query`),
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# find the most recent auth events (derived from state events) that
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# allowed that message to be sent. We will use that as a base
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# to auth our historical messages against.
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(
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most_recent_prev_event_id,
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_,
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) = await self.store.get_max_depth_of(prev_events_from_query)
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# mapping from (type, state_key) -> state_event_id
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prev_state_map = await self.state_store.get_state_ids_for_event(
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most_recent_prev_event_id
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)
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# List of state event ID's
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prev_state_ids = list(prev_state_map.values())
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auth_event_ids = prev_state_ids
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for state_event in body["state_events_at_start"]:
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assert_params_in_dict(
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state_event, ["type", "origin_server_ts", "content", "sender"]
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)
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logger.debug(
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"RoomBatchSendEventRestServlet inserting state_event=%s, auth_event_ids=%s",
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state_event,
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auth_event_ids,
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)
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event_dict = {
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"type": state_event["type"],
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"origin_server_ts": state_event["origin_server_ts"],
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"content": state_event["content"],
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"room_id": room_id,
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"sender": state_event["sender"],
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"state_key": state_event["state_key"],
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}
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# Make the state events float off on their own
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fake_prev_event_id = "$" + random_string(43)
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# TODO: This is pretty much the same as some other code to handle inserting state in this file
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if event_dict["type"] == EventTypes.Member:
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membership = event_dict["content"].get("membership", None)
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event_id, _ = await self.room_member_handler.update_membership(
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requester,
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target=UserID.from_string(event_dict["state_key"]),
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room_id=room_id,
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action=membership,
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content=event_dict["content"],
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outlier=True,
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prev_event_ids=[fake_prev_event_id],
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# Make sure to use a copy of this list because we modify it
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# later in the loop here. Otherwise it will be the same
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# reference and also update in the event when we append later.
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auth_event_ids=auth_event_ids.copy(),
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)
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else:
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# TODO: Add some complement tests that adds state that is not member joins
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# and will use this code path. Maybe we only want to support join state events
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# and can get rid of this `else`?
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(
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event,
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_,
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) = await self.event_creation_handler.create_and_send_nonmember_event(
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requester,
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event_dict,
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outlier=True,
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prev_event_ids=[fake_prev_event_id],
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# Make sure to use a copy of this list because we modify it
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# later in the loop here. Otherwise it will be the same
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# reference and also update in the event when we append later.
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auth_event_ids=auth_event_ids.copy(),
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)
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event_id = event.event_id
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auth_event_ids.append(event_id)
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events_to_create = body["events"]
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# If provided, connect the chunk to the last insertion point
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# The chunk ID passed in comes from the chunk_id in the
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# "insertion" event from the previous chunk.
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if chunk_id_from_query:
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last_event_in_chunk = events_to_create[-1]
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last_event_in_chunk["content"][
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EventContentFields.MSC2716_CHUNK_ID
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] = chunk_id_from_query
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# Add an "insertion" event to the start of each chunk (next to the oldest
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# event in the chunk) so the next chunk can be connected to this one.
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next_chunk_id = random_string(64)
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insertion_event = {
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"type": EventTypes.MSC2716_INSERTION,
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"sender": requester.user.to_string(),
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"content": {
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EventContentFields.MSC2716_NEXT_CHUNK_ID: next_chunk_id,
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EventContentFields.MSC2716_HISTORICAL: True,
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},
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# Since the insertion event is put at the start of the chunk,
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# where the oldest event is, copy the origin_server_ts from
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# the first event we're inserting
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"origin_server_ts": events_to_create[0]["origin_server_ts"],
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}
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# Prepend the insertion event to the start of the chunk
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events_to_create = [insertion_event] + events_to_create
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inherited_depth = await self.inherit_depth_from_prev_ids(prev_events_from_query)
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event_ids = []
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prev_event_ids = prev_events_from_query
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events_to_persist = []
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for ev in events_to_create:
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assert_params_in_dict(ev, ["type", "origin_server_ts", "content", "sender"])
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# Mark all events as historical
|
|
# This has important semantics within the Synapse internals to backfill properly
|
|
ev["content"][EventContentFields.MSC2716_HISTORICAL] = True
|
|
|
|
event_dict = {
|
|
"type": ev["type"],
|
|
"origin_server_ts": ev["origin_server_ts"],
|
|
"content": ev["content"],
|
|
"room_id": room_id,
|
|
"sender": ev["sender"], # requester.user.to_string(),
|
|
"prev_events": prev_event_ids.copy(),
|
|
}
|
|
|
|
event, context = await self.event_creation_handler.create_event(
|
|
requester,
|
|
event_dict,
|
|
prev_event_ids=event_dict.get("prev_events"),
|
|
auth_event_ids=auth_event_ids,
|
|
historical=True,
|
|
depth=inherited_depth,
|
|
)
|
|
logger.debug(
|
|
"RoomBatchSendEventRestServlet inserting event=%s, prev_event_ids=%s, auth_event_ids=%s",
|
|
event,
|
|
prev_event_ids,
|
|
auth_event_ids,
|
|
)
|
|
|
|
assert self.hs.is_mine_id(event.sender), "User must be our own: %s" % (
|
|
event.sender,
|
|
)
|
|
|
|
events_to_persist.append((event, context))
|
|
event_id = event.event_id
|
|
|
|
event_ids.append(event_id)
|
|
prev_event_ids = [event_id]
|
|
|
|
# Persist events in reverse-chronological order so they have the
|
|
# correct stream_ordering as they are backfilled (which decrements).
|
|
# Events are sorted by (topological_ordering, stream_ordering)
|
|
# where topological_ordering is just depth.
|
|
for (event, context) in reversed(events_to_persist):
|
|
ev = await self.event_creation_handler.handle_new_client_event(
|
|
requester=requester,
|
|
event=event,
|
|
context=context,
|
|
)
|
|
|
|
return 200, {
|
|
"state_events": auth_event_ids,
|
|
"events": event_ids,
|
|
"next_chunk_id": next_chunk_id,
|
|
}
|
|
|
|
def on_GET(self, request, room_id):
|
|
return 501, "Not implemented"
|
|
|
|
def on_PUT(self, request, room_id):
|
|
return self.txns.fetch_or_execute_request(
|
|
request, self.on_POST, request, room_id
|
|
)
|
|
|
|
|
|
# TODO: Needs unit testing for room ID + alias joins
|
|
class JoinRoomAliasServlet(TransactionRestServlet):
|
|
def __init__(self, hs):
|
|
super().__init__(hs)
|
|
self.room_member_handler = hs.get_room_member_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
def register(self, http_server):
|
|
# /join/$room_identifier[/$txn_id]
|
|
PATTERNS = "/join/(?P<room_identifier>[^/]*)"
|
|
register_txn_path(self, PATTERNS, http_server)
|
|
|
|
async def on_POST(
|
|
self,
|
|
request: SynapseRequest,
|
|
room_identifier: str,
|
|
txn_id: Optional[str] = None,
|
|
):
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
|
|
try:
|
|
content = parse_json_object_from_request(request)
|
|
except Exception:
|
|
# Turns out we used to ignore the body entirely, and some clients
|
|
# cheekily send invalid bodies.
|
|
content = {}
|
|
|
|
if RoomID.is_valid(room_identifier):
|
|
room_id = room_identifier
|
|
|
|
# twisted.web.server.Request.args is incorrectly defined as Optional[Any]
|
|
args: Dict[bytes, List[bytes]] = request.args # type: ignore
|
|
|
|
remote_room_hosts = parse_strings_from_args(
|
|
args, "server_name", required=False
|
|
)
|
|
elif RoomAlias.is_valid(room_identifier):
|
|
handler = self.room_member_handler
|
|
room_alias = RoomAlias.from_string(room_identifier)
|
|
room_id_obj, remote_room_hosts = await handler.lookup_room_alias(room_alias)
|
|
room_id = room_id_obj.to_string()
|
|
else:
|
|
raise SynapseError(
|
|
400, "%s was not legal room ID or room alias" % (room_identifier,)
|
|
)
|
|
|
|
await self.room_member_handler.update_membership(
|
|
requester=requester,
|
|
target=requester.user,
|
|
room_id=room_id,
|
|
action="join",
|
|
txn_id=txn_id,
|
|
remote_room_hosts=remote_room_hosts,
|
|
content=content,
|
|
third_party_signed=content.get("third_party_signed", None),
|
|
)
|
|
|
|
return 200, {"room_id": room_id}
|
|
|
|
def on_PUT(self, request, room_identifier, txn_id):
|
|
set_tag("txn_id", txn_id)
|
|
|
|
return self.txns.fetch_or_execute_request(
|
|
request, self.on_POST, request, room_identifier, txn_id
|
|
)
|
|
|
|
|
|
# TODO: Needs unit testing
|
|
class PublicRoomListRestServlet(TransactionRestServlet):
|
|
PATTERNS = client_patterns("/publicRooms$", v1=True)
|
|
|
|
def __init__(self, hs):
|
|
super().__init__(hs)
|
|
self.hs = hs
|
|
self.auth = hs.get_auth()
|
|
|
|
async def on_GET(self, request):
|
|
server = parse_string(request, "server", default=None)
|
|
|
|
try:
|
|
await self.auth.get_user_by_req(request, allow_guest=True)
|
|
except InvalidClientCredentialsError as e:
|
|
# Option to allow servers to require auth when accessing
|
|
# /publicRooms via CS API. This is especially helpful in private
|
|
# federations.
|
|
if not self.hs.config.allow_public_rooms_without_auth:
|
|
raise
|
|
|
|
# We allow people to not be authed if they're just looking at our
|
|
# room list, but require auth when we proxy the request.
|
|
# In both cases we call the auth function, as that has the side
|
|
# effect of logging who issued this request if an access token was
|
|
# provided.
|
|
if server:
|
|
raise e
|
|
|
|
limit = parse_integer(request, "limit", 0)
|
|
since_token = parse_string(request, "since", None)
|
|
|
|
if limit == 0:
|
|
# zero is a special value which corresponds to no limit.
|
|
limit = None
|
|
|
|
handler = self.hs.get_room_list_handler()
|
|
if server and server != self.hs.config.server_name:
|
|
# Ensure the server is valid.
|
|
try:
|
|
parse_and_validate_server_name(server)
|
|
except ValueError:
|
|
raise SynapseError(
|
|
400,
|
|
"Invalid server name: %s" % (server,),
|
|
Codes.INVALID_PARAM,
|
|
)
|
|
|
|
try:
|
|
data = await handler.get_remote_public_room_list(
|
|
server, limit=limit, since_token=since_token
|
|
)
|
|
except HttpResponseException as e:
|
|
raise e.to_synapse_error()
|
|
else:
|
|
data = await handler.get_local_public_room_list(
|
|
limit=limit, since_token=since_token
|
|
)
|
|
|
|
return 200, data
|
|
|
|
async def on_POST(self, request):
|
|
await self.auth.get_user_by_req(request, allow_guest=True)
|
|
|
|
server = parse_string(request, "server", default=None)
|
|
content = parse_json_object_from_request(request)
|
|
|
|
limit = int(content.get("limit", 100)) # type: Optional[int]
|
|
since_token = content.get("since", None)
|
|
search_filter = content.get("filter", None)
|
|
|
|
include_all_networks = content.get("include_all_networks", False)
|
|
third_party_instance_id = content.get("third_party_instance_id", None)
|
|
|
|
if include_all_networks:
|
|
network_tuple = None
|
|
if third_party_instance_id is not None:
|
|
raise SynapseError(
|
|
400, "Can't use include_all_networks with an explicit network"
|
|
)
|
|
elif third_party_instance_id is None:
|
|
network_tuple = ThirdPartyInstanceID(None, None)
|
|
else:
|
|
network_tuple = ThirdPartyInstanceID.from_string(third_party_instance_id)
|
|
|
|
if limit == 0:
|
|
# zero is a special value which corresponds to no limit.
|
|
limit = None
|
|
|
|
handler = self.hs.get_room_list_handler()
|
|
if server and server != self.hs.config.server_name:
|
|
# Ensure the server is valid.
|
|
try:
|
|
parse_and_validate_server_name(server)
|
|
except ValueError:
|
|
raise SynapseError(
|
|
400,
|
|
"Invalid server name: %s" % (server,),
|
|
Codes.INVALID_PARAM,
|
|
)
|
|
|
|
try:
|
|
data = await handler.get_remote_public_room_list(
|
|
server,
|
|
limit=limit,
|
|
since_token=since_token,
|
|
search_filter=search_filter,
|
|
include_all_networks=include_all_networks,
|
|
third_party_instance_id=third_party_instance_id,
|
|
)
|
|
except HttpResponseException as e:
|
|
raise e.to_synapse_error()
|
|
else:
|
|
data = await handler.get_local_public_room_list(
|
|
limit=limit,
|
|
since_token=since_token,
|
|
search_filter=search_filter,
|
|
network_tuple=network_tuple,
|
|
)
|
|
|
|
return 200, data
|
|
|
|
|
|
# TODO: Needs unit testing
|
|
class RoomMemberListRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/members$", v1=True)
|
|
|
|
def __init__(self, hs):
|
|
super().__init__()
|
|
self.message_handler = hs.get_message_handler()
|
|
self.auth = hs.get_auth()
|
|
self.store = hs.get_datastore()
|
|
|
|
async def on_GET(self, request, room_id):
|
|
# TODO support Pagination stream API (limit/tokens)
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
handler = self.message_handler
|
|
|
|
# request the state as of a given event, as identified by a stream token,
|
|
# for consistency with /messages etc.
|
|
# useful for getting the membership in retrospect as of a given /sync
|
|
# response.
|
|
at_token_string = parse_string(request, "at")
|
|
if at_token_string is None:
|
|
at_token = None
|
|
else:
|
|
at_token = await StreamToken.from_string(self.store, at_token_string)
|
|
|
|
# let you filter down on particular memberships.
|
|
# XXX: this may not be the best shape for this API - we could pass in a filter
|
|
# instead, except filters aren't currently aware of memberships.
|
|
# See https://github.com/matrix-org/matrix-doc/issues/1337 for more details.
|
|
membership = parse_string(request, "membership")
|
|
not_membership = parse_string(request, "not_membership")
|
|
|
|
events = await handler.get_state_events(
|
|
room_id=room_id,
|
|
user_id=requester.user.to_string(),
|
|
at_token=at_token,
|
|
state_filter=StateFilter.from_types([(EventTypes.Member, None)]),
|
|
)
|
|
|
|
chunk = []
|
|
|
|
for event in events:
|
|
if (membership and event["content"].get("membership") != membership) or (
|
|
not_membership and event["content"].get("membership") == not_membership
|
|
):
|
|
continue
|
|
chunk.append(event)
|
|
|
|
return 200, {"chunk": chunk}
|
|
|
|
|
|
# deprecated in favour of /members?membership=join?
|
|
# except it does custom AS logic and has a simpler return format
|
|
class JoinedRoomMemberListRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/joined_members$", v1=True)
|
|
|
|
def __init__(self, hs):
|
|
super().__init__()
|
|
self.message_handler = hs.get_message_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
async def on_GET(self, request, room_id):
|
|
requester = await self.auth.get_user_by_req(request)
|
|
|
|
users_with_profile = await self.message_handler.get_joined_members(
|
|
requester, room_id
|
|
)
|
|
|
|
return 200, {"joined": users_with_profile}
|
|
|
|
|
|
# TODO: Needs better unit testing
|
|
class RoomMessageListRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/messages$", v1=True)
|
|
|
|
def __init__(self, hs):
|
|
super().__init__()
|
|
self.pagination_handler = hs.get_pagination_handler()
|
|
self.auth = hs.get_auth()
|
|
self.store = hs.get_datastore()
|
|
|
|
async def on_GET(self, request, room_id):
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
pagination_config = await PaginationConfig.from_request(
|
|
self.store, request, default_limit=10
|
|
)
|
|
as_client_event = b"raw" not in request.args
|
|
filter_str = parse_string(request, "filter", encoding="utf-8")
|
|
if filter_str:
|
|
filter_json = urlparse.unquote(filter_str)
|
|
event_filter = Filter(
|
|
json_decoder.decode(filter_json)
|
|
) # type: Optional[Filter]
|
|
if (
|
|
event_filter
|
|
and event_filter.filter_json.get("event_format", "client")
|
|
== "federation"
|
|
):
|
|
as_client_event = False
|
|
else:
|
|
event_filter = None
|
|
|
|
msgs = await self.pagination_handler.get_messages(
|
|
room_id=room_id,
|
|
requester=requester,
|
|
pagin_config=pagination_config,
|
|
as_client_event=as_client_event,
|
|
event_filter=event_filter,
|
|
)
|
|
|
|
return 200, msgs
|
|
|
|
|
|
# TODO: Needs unit testing
|
|
class RoomStateRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/state$", v1=True)
|
|
|
|
def __init__(self, hs):
|
|
super().__init__()
|
|
self.message_handler = hs.get_message_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
async def on_GET(self, request, room_id):
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
# Get all the current state for this room
|
|
events = await self.message_handler.get_state_events(
|
|
room_id=room_id,
|
|
user_id=requester.user.to_string(),
|
|
is_guest=requester.is_guest,
|
|
)
|
|
return 200, events
|
|
|
|
|
|
# TODO: Needs unit testing
|
|
class RoomInitialSyncRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/initialSync$", v1=True)
|
|
|
|
def __init__(self, hs):
|
|
super().__init__()
|
|
self.initial_sync_handler = hs.get_initial_sync_handler()
|
|
self.auth = hs.get_auth()
|
|
self.store = hs.get_datastore()
|
|
|
|
async def on_GET(self, request, room_id):
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
pagination_config = await PaginationConfig.from_request(self.store, request)
|
|
content = await self.initial_sync_handler.room_initial_sync(
|
|
room_id=room_id, requester=requester, pagin_config=pagination_config
|
|
)
|
|
return 200, content
|
|
|
|
|
|
class RoomEventServlet(RestServlet):
|
|
PATTERNS = client_patterns(
|
|
"/rooms/(?P<room_id>[^/]*)/event/(?P<event_id>[^/]*)$", v1=True
|
|
)
|
|
|
|
def __init__(self, hs):
|
|
super().__init__()
|
|
self.clock = hs.get_clock()
|
|
self.event_handler = hs.get_event_handler()
|
|
self._event_serializer = hs.get_event_client_serializer()
|
|
self.auth = hs.get_auth()
|
|
|
|
async def on_GET(self, request, room_id, event_id):
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
try:
|
|
event = await self.event_handler.get_event(
|
|
requester.user, room_id, event_id
|
|
)
|
|
except AuthError:
|
|
# This endpoint is supposed to return a 404 when the requester does
|
|
# not have permission to access the event
|
|
# https://matrix.org/docs/spec/client_server/r0.5.0#get-matrix-client-r0-rooms-roomid-event-eventid
|
|
raise SynapseError(404, "Event not found.", errcode=Codes.NOT_FOUND)
|
|
|
|
time_now = self.clock.time_msec()
|
|
if event:
|
|
event = await self._event_serializer.serialize_event(event, time_now)
|
|
return 200, event
|
|
|
|
return SynapseError(404, "Event not found.", errcode=Codes.NOT_FOUND)
|
|
|
|
|
|
class RoomEventContextServlet(RestServlet):
|
|
PATTERNS = client_patterns(
|
|
"/rooms/(?P<room_id>[^/]*)/context/(?P<event_id>[^/]*)$", v1=True
|
|
)
|
|
|
|
def __init__(self, hs):
|
|
super().__init__()
|
|
self.clock = hs.get_clock()
|
|
self.room_context_handler = hs.get_room_context_handler()
|
|
self._event_serializer = hs.get_event_client_serializer()
|
|
self.auth = hs.get_auth()
|
|
|
|
async def on_GET(self, request, room_id, event_id):
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
|
|
limit = parse_integer(request, "limit", default=10)
|
|
|
|
# picking the API shape for symmetry with /messages
|
|
filter_str = parse_string(request, "filter", encoding="utf-8")
|
|
if filter_str:
|
|
filter_json = urlparse.unquote(filter_str)
|
|
event_filter = Filter(
|
|
json_decoder.decode(filter_json)
|
|
) # type: Optional[Filter]
|
|
else:
|
|
event_filter = None
|
|
|
|
results = await self.room_context_handler.get_event_context(
|
|
requester, room_id, event_id, limit, event_filter
|
|
)
|
|
|
|
if not results:
|
|
raise SynapseError(404, "Event not found.", errcode=Codes.NOT_FOUND)
|
|
|
|
time_now = self.clock.time_msec()
|
|
results["events_before"] = await self._event_serializer.serialize_events(
|
|
results["events_before"], time_now
|
|
)
|
|
results["event"] = await self._event_serializer.serialize_event(
|
|
results["event"], time_now
|
|
)
|
|
results["events_after"] = await self._event_serializer.serialize_events(
|
|
results["events_after"], time_now
|
|
)
|
|
results["state"] = await self._event_serializer.serialize_events(
|
|
results["state"],
|
|
time_now,
|
|
# No need to bundle aggregations for state events
|
|
bundle_aggregations=False,
|
|
)
|
|
|
|
return 200, results
|
|
|
|
|
|
class RoomForgetRestServlet(TransactionRestServlet):
|
|
def __init__(self, hs):
|
|
super().__init__(hs)
|
|
self.room_member_handler = hs.get_room_member_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
def register(self, http_server):
|
|
PATTERNS = "/rooms/(?P<room_id>[^/]*)/forget"
|
|
register_txn_path(self, PATTERNS, http_server)
|
|
|
|
async def on_POST(self, request, room_id, txn_id=None):
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=False)
|
|
|
|
await self.room_member_handler.forget(user=requester.user, room_id=room_id)
|
|
|
|
return 200, {}
|
|
|
|
def on_PUT(self, request, room_id, txn_id):
|
|
set_tag("txn_id", txn_id)
|
|
|
|
return self.txns.fetch_or_execute_request(
|
|
request, self.on_POST, request, room_id, txn_id
|
|
)
|
|
|
|
|
|
# TODO: Needs unit testing
|
|
class RoomMembershipRestServlet(TransactionRestServlet):
|
|
def __init__(self, hs):
|
|
super().__init__(hs)
|
|
self.room_member_handler = hs.get_room_member_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
def register(self, http_server):
|
|
# /rooms/$roomid/[invite|join|leave]
|
|
PATTERNS = (
|
|
"/rooms/(?P<room_id>[^/]*)/"
|
|
"(?P<membership_action>join|invite|leave|ban|unban|kick)"
|
|
)
|
|
register_txn_path(self, PATTERNS, http_server)
|
|
|
|
async def on_POST(self, request, room_id, membership_action, txn_id=None):
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
|
|
if requester.is_guest and membership_action not in {
|
|
Membership.JOIN,
|
|
Membership.LEAVE,
|
|
}:
|
|
raise AuthError(403, "Guest access not allowed")
|
|
|
|
try:
|
|
content = parse_json_object_from_request(request)
|
|
except Exception:
|
|
# Turns out we used to ignore the body entirely, and some clients
|
|
# cheekily send invalid bodies.
|
|
content = {}
|
|
|
|
if membership_action == "invite" and self._has_3pid_invite_keys(content):
|
|
try:
|
|
await self.room_member_handler.do_3pid_invite(
|
|
room_id,
|
|
requester.user,
|
|
content["medium"],
|
|
content["address"],
|
|
content["id_server"],
|
|
requester,
|
|
txn_id,
|
|
content.get("id_access_token"),
|
|
)
|
|
except ShadowBanError:
|
|
# Pretend the request succeeded.
|
|
pass
|
|
return 200, {}
|
|
|
|
target = requester.user
|
|
if membership_action in ["invite", "ban", "unban", "kick"]:
|
|
assert_params_in_dict(content, ["user_id"])
|
|
target = UserID.from_string(content["user_id"])
|
|
|
|
event_content = None
|
|
if "reason" in content:
|
|
event_content = {"reason": content["reason"]}
|
|
|
|
try:
|
|
await self.room_member_handler.update_membership(
|
|
requester=requester,
|
|
target=target,
|
|
room_id=room_id,
|
|
action=membership_action,
|
|
txn_id=txn_id,
|
|
third_party_signed=content.get("third_party_signed", None),
|
|
content=event_content,
|
|
)
|
|
except ShadowBanError:
|
|
# Pretend the request succeeded.
|
|
pass
|
|
|
|
return_value = {}
|
|
|
|
if membership_action == "join":
|
|
return_value["room_id"] = room_id
|
|
|
|
return 200, return_value
|
|
|
|
def _has_3pid_invite_keys(self, content):
|
|
for key in {"id_server", "medium", "address"}:
|
|
if key not in content:
|
|
return False
|
|
return True
|
|
|
|
def on_PUT(self, request, room_id, membership_action, txn_id):
|
|
set_tag("txn_id", txn_id)
|
|
|
|
return self.txns.fetch_or_execute_request(
|
|
request, self.on_POST, request, room_id, membership_action, txn_id
|
|
)
|
|
|
|
|
|
class RoomRedactEventRestServlet(TransactionRestServlet):
|
|
def __init__(self, hs):
|
|
super().__init__(hs)
|
|
self.event_creation_handler = hs.get_event_creation_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
def register(self, http_server):
|
|
PATTERNS = "/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)"
|
|
register_txn_path(self, PATTERNS, http_server)
|
|
|
|
async def on_POST(self, request, room_id, event_id, txn_id=None):
|
|
requester = await self.auth.get_user_by_req(request)
|
|
content = parse_json_object_from_request(request)
|
|
|
|
try:
|
|
(
|
|
event,
|
|
_,
|
|
) = await self.event_creation_handler.create_and_send_nonmember_event(
|
|
requester,
|
|
{
|
|
"type": EventTypes.Redaction,
|
|
"content": content,
|
|
"room_id": room_id,
|
|
"sender": requester.user.to_string(),
|
|
"redacts": event_id,
|
|
},
|
|
txn_id=txn_id,
|
|
)
|
|
event_id = event.event_id
|
|
except ShadowBanError:
|
|
event_id = "$" + random_string(43)
|
|
|
|
set_tag("event_id", event_id)
|
|
return 200, {"event_id": event_id}
|
|
|
|
def on_PUT(self, request, room_id, event_id, txn_id):
|
|
set_tag("txn_id", txn_id)
|
|
|
|
return self.txns.fetch_or_execute_request(
|
|
request, self.on_POST, request, room_id, event_id, txn_id
|
|
)
|
|
|
|
|
|
class RoomTypingRestServlet(RestServlet):
|
|
PATTERNS = client_patterns(
|
|
"/rooms/(?P<room_id>[^/]*)/typing/(?P<user_id>[^/]*)$", v1=True
|
|
)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self.hs = hs
|
|
self.presence_handler = hs.get_presence_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
# If we're not on the typing writer instance we should scream if we get
|
|
# requests.
|
|
self._is_typing_writer = (
|
|
hs.config.worker.writers.typing == hs.get_instance_name()
|
|
)
|
|
|
|
async def on_PUT(self, request, room_id, user_id):
|
|
requester = await self.auth.get_user_by_req(request)
|
|
|
|
if not self._is_typing_writer:
|
|
raise Exception("Got /typing request on instance that is not typing writer")
|
|
|
|
room_id = urlparse.unquote(room_id)
|
|
target_user = UserID.from_string(urlparse.unquote(user_id))
|
|
|
|
content = parse_json_object_from_request(request)
|
|
|
|
await self.presence_handler.bump_presence_active_time(requester.user)
|
|
|
|
# Limit timeout to stop people from setting silly typing timeouts.
|
|
timeout = min(content.get("timeout", 30000), 120000)
|
|
|
|
# Defer getting the typing handler since it will raise on workers.
|
|
typing_handler = self.hs.get_typing_writer_handler()
|
|
|
|
try:
|
|
if content["typing"]:
|
|
await typing_handler.started_typing(
|
|
target_user=target_user,
|
|
requester=requester,
|
|
room_id=room_id,
|
|
timeout=timeout,
|
|
)
|
|
else:
|
|
await typing_handler.stopped_typing(
|
|
target_user=target_user, requester=requester, room_id=room_id
|
|
)
|
|
except ShadowBanError:
|
|
# Pretend this worked without error.
|
|
pass
|
|
|
|
return 200, {}
|
|
|
|
|
|
class RoomAliasListServlet(RestServlet):
|
|
PATTERNS = [
|
|
re.compile(
|
|
r"^/_matrix/client/unstable/org\.matrix\.msc2432"
|
|
r"/rooms/(?P<room_id>[^/]*)/aliases"
|
|
),
|
|
] + list(client_patterns("/rooms/(?P<room_id>[^/]*)/aliases$", unstable=False))
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self.auth = hs.get_auth()
|
|
self.directory_handler = hs.get_directory_handler()
|
|
|
|
async def on_GET(self, request, room_id):
|
|
requester = await self.auth.get_user_by_req(request)
|
|
|
|
alias_list = await self.directory_handler.get_aliases_for_room(
|
|
requester, room_id
|
|
)
|
|
|
|
return 200, {"aliases": alias_list}
|
|
|
|
|
|
class SearchRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/search$", v1=True)
|
|
|
|
def __init__(self, hs):
|
|
super().__init__()
|
|
self.search_handler = hs.get_search_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
async def on_POST(self, request):
|
|
requester = await self.auth.get_user_by_req(request)
|
|
|
|
content = parse_json_object_from_request(request)
|
|
|
|
batch = parse_string(request, "next_batch")
|
|
results = await self.search_handler.search(requester.user, content, batch)
|
|
|
|
return 200, results
|
|
|
|
|
|
class JoinedRoomsRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/joined_rooms$", v1=True)
|
|
|
|
def __init__(self, hs):
|
|
super().__init__()
|
|
self.store = hs.get_datastore()
|
|
self.auth = hs.get_auth()
|
|
|
|
async def on_GET(self, request):
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
|
|
room_ids = await self.store.get_rooms_for_user(requester.user.to_string())
|
|
return 200, {"joined_rooms": list(room_ids)}
|
|
|
|
|
|
def register_txn_path(servlet, regex_string, http_server, with_get=False):
|
|
"""Registers a transaction-based path.
|
|
|
|
This registers two paths:
|
|
PUT regex_string/$txnid
|
|
POST regex_string
|
|
|
|
Args:
|
|
regex_string (str): The regex string to register. Must NOT have a
|
|
trailing $ as this string will be appended to.
|
|
http_server : The http_server to register paths with.
|
|
with_get: True to also register respective GET paths for the PUTs.
|
|
"""
|
|
http_server.register_paths(
|
|
"POST",
|
|
client_patterns(regex_string + "$", v1=True),
|
|
servlet.on_POST,
|
|
servlet.__class__.__name__,
|
|
)
|
|
http_server.register_paths(
|
|
"PUT",
|
|
client_patterns(regex_string + "/(?P<txn_id>[^/]*)$", v1=True),
|
|
servlet.on_PUT,
|
|
servlet.__class__.__name__,
|
|
)
|
|
if with_get:
|
|
http_server.register_paths(
|
|
"GET",
|
|
client_patterns(regex_string + "/(?P<txn_id>[^/]*)$", v1=True),
|
|
servlet.on_GET,
|
|
servlet.__class__.__name__,
|
|
)
|
|
|
|
|
|
class RoomSpaceSummaryRestServlet(RestServlet):
|
|
PATTERNS = (
|
|
re.compile(
|
|
"^/_matrix/client/unstable/org.matrix.msc2946"
|
|
"/rooms/(?P<room_id>[^/]*)/spaces$"
|
|
),
|
|
)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self._auth = hs.get_auth()
|
|
self._space_summary_handler = hs.get_space_summary_handler()
|
|
|
|
async def on_GET(
|
|
self, request: SynapseRequest, room_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
requester = await self._auth.get_user_by_req(request, allow_guest=True)
|
|
|
|
return 200, await self._space_summary_handler.get_space_summary(
|
|
requester.user.to_string(),
|
|
room_id,
|
|
suggested_only=parse_boolean(request, "suggested_only", default=False),
|
|
max_rooms_per_space=parse_integer(request, "max_rooms_per_space"),
|
|
)
|
|
|
|
# TODO When switching to the stable endpoint, remove the POST handler.
|
|
async def on_POST(
|
|
self, request: SynapseRequest, room_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
requester = await self._auth.get_user_by_req(request, allow_guest=True)
|
|
content = parse_json_object_from_request(request)
|
|
|
|
suggested_only = content.get("suggested_only", False)
|
|
if not isinstance(suggested_only, bool):
|
|
raise SynapseError(
|
|
400, "'suggested_only' must be a boolean", Codes.BAD_JSON
|
|
)
|
|
|
|
max_rooms_per_space = content.get("max_rooms_per_space")
|
|
if max_rooms_per_space is not None and not isinstance(max_rooms_per_space, int):
|
|
raise SynapseError(
|
|
400, "'max_rooms_per_space' must be an integer", Codes.BAD_JSON
|
|
)
|
|
|
|
return 200, await self._space_summary_handler.get_space_summary(
|
|
requester.user.to_string(),
|
|
room_id,
|
|
suggested_only=suggested_only,
|
|
max_rooms_per_space=max_rooms_per_space,
|
|
)
|
|
|
|
|
|
def register_servlets(hs: "HomeServer", http_server, is_worker=False):
|
|
msc2716_enabled = hs.config.experimental.msc2716_enabled
|
|
|
|
RoomStateEventRestServlet(hs).register(http_server)
|
|
RoomMemberListRestServlet(hs).register(http_server)
|
|
JoinedRoomMemberListRestServlet(hs).register(http_server)
|
|
RoomMessageListRestServlet(hs).register(http_server)
|
|
JoinRoomAliasServlet(hs).register(http_server)
|
|
RoomMembershipRestServlet(hs).register(http_server)
|
|
RoomSendEventRestServlet(hs).register(http_server)
|
|
if msc2716_enabled:
|
|
RoomBatchSendEventRestServlet(hs).register(http_server)
|
|
PublicRoomListRestServlet(hs).register(http_server)
|
|
RoomStateRestServlet(hs).register(http_server)
|
|
RoomRedactEventRestServlet(hs).register(http_server)
|
|
RoomTypingRestServlet(hs).register(http_server)
|
|
RoomEventContextServlet(hs).register(http_server)
|
|
RoomSpaceSummaryRestServlet(hs).register(http_server)
|
|
RoomEventServlet(hs).register(http_server)
|
|
JoinedRoomsRestServlet(hs).register(http_server)
|
|
RoomAliasListServlet(hs).register(http_server)
|
|
SearchRestServlet(hs).register(http_server)
|
|
|
|
# Some servlets only get registered for the main process.
|
|
if not is_worker:
|
|
RoomCreateRestServlet(hs).register(http_server)
|
|
RoomForgetRestServlet(hs).register(http_server)
|
|
|
|
|
|
def register_deprecated_servlets(hs, http_server):
|
|
RoomInitialSyncRestServlet(hs).register(http_server)
|