1389 lines
48 KiB
Python
1389 lines
48 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 enum import Enum
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from typing import TYPE_CHECKING, Awaitable, Dict, List, Optional, Tuple
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from urllib import parse as urlparse
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from prometheus_client.core import Histogram
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from twisted.web.server import Request
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from synapse import event_auth
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from synapse.api.constants import 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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InvalidClientCredentialsError,
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MissingClientTokenError,
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ShadowBanError,
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SynapseError,
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UnredactedContentDeletedError,
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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.server import HttpServer, cancellable
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from synapse.http.servlet import (
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ResolveRoomIdMixin,
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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.context import make_deferred_yieldable, run_in_background
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from synapse.logging.opentracing import set_tag
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from synapse.rest.client._base import client_patterns
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from synapse.rest.client.transactions import HttpTransactionCache
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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 JsonDict, StreamToken, ThirdPartyInstanceID, UserID
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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 _RoomSize(Enum):
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"""
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Enum to differentiate sizes of rooms. This is a pretty good approximation
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about how hard it will be to get events in the room. We could also look at
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room "complexity".
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"""
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# This doesn't necessarily mean the room is a DM, just that there is a DM
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# amount of people there.
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DM_SIZE = "direct_message_size"
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SMALL = "small"
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SUBSTANTIAL = "substantial"
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LARGE = "large"
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@staticmethod
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def from_member_count(member_count: int) -> "_RoomSize":
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if member_count <= 2:
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return _RoomSize.DM_SIZE
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elif member_count < 100:
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return _RoomSize.SMALL
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elif member_count < 1000:
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return _RoomSize.SUBSTANTIAL
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else:
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return _RoomSize.LARGE
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# This is an extra metric on top of `synapse_http_server_response_time_seconds`
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# which times the same sort of thing but this one allows us to see values
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# greater than 10s. We use a separate dedicated histogram with its own buckets
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# so that we don't increase the cardinality of the general one because it's
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# multiplied across hundreds of servlets.
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messsages_response_timer = Histogram(
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"synapse_room_message_list_rest_servlet_response_time_seconds",
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"sec",
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# We have a label for room size so we can try to see a more realistic
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# picture of /messages response time for bigger rooms. We don't want the
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# tiny rooms that can always respond fast skewing our results when we're trying
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# to optimize the bigger cases.
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["room_size"],
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buckets=(
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0.005,
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0.01,
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0.025,
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0.05,
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0.1,
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0.25,
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0.5,
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1.0,
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2.5,
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5.0,
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10.0,
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30.0,
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60.0,
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120.0,
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180.0,
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"+Inf",
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),
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)
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class TransactionRestServlet(RestServlet):
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def __init__(self, hs: "HomeServer"):
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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: "HomeServer"):
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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: HttpServer) -> None:
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PATTERNS = "/createRoom"
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register_txn_path(self, PATTERNS, http_server)
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def on_PUT(
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self, request: SynapseRequest, txn_id: str
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) -> Awaitable[Tuple[int, JsonDict]]:
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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: SynapseRequest) -> Tuple[int, JsonDict]:
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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: Request) -> JsonDict:
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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: "HomeServer"):
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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: HttpServer) -> None:
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# /rooms/$roomid/state/$eventtype
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no_state_key = "/rooms/(?P<room_id>[^/]*)/state/(?P<event_type>[^/]*)$"
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# /rooms/$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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@cancellable
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def on_GET_no_state_key(
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self, request: SynapseRequest, room_id: str, event_type: str
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) -> Awaitable[Tuple[int, JsonDict]]:
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return self.on_GET(request, room_id, event_type, "")
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def on_PUT_no_state_key(
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self, request: SynapseRequest, room_id: str, event_type: str
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) -> Awaitable[Tuple[int, JsonDict]]:
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return self.on_PUT(request, room_id, event_type, "")
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@cancellable
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async def on_GET(
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self, request: SynapseRequest, room_id: str, event_type: str, state_key: str
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) -> Tuple[int, JsonDict]:
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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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# Format must be event or content, per the parse_string call above.
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raise RuntimeError(f"Unknown format: {format:r}.")
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async def on_PUT(
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self,
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request: SynapseRequest,
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room_id: str,
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event_type: str,
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state_key: str,
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txn_id: Optional[str] = None,
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) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request, allow_guest=True)
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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: "HomeServer"):
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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: HttpServer) -> None:
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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(
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self,
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request: SynapseRequest,
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room_id: str,
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event_type: str,
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txn_id: Optional[str] = None,
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) -> Tuple[int, JsonDict]:
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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: JsonDict = {
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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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# Twisted will have processed the args by now.
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assert request.args is not None
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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(
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self, request: SynapseRequest, room_id: str, event_type: str, txn_id: str
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) -> Tuple[int, str]:
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return 200, "Not implemented"
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def on_PUT(
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self, request: SynapseRequest, room_id: str, event_type: str, txn_id: str
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) -> Awaitable[Tuple[int, JsonDict]]:
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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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# TODO: Needs unit testing for room ID + alias joins
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class JoinRoomAliasServlet(ResolveRoomIdMixin, TransactionRestServlet):
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def __init__(self, hs: "HomeServer"):
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super().__init__(hs)
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super(ResolveRoomIdMixin, self).__init__(hs) # ensure the Mixin is set up
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self.auth = hs.get_auth()
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def register(self, http_server: HttpServer) -> None:
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# /join/$room_identifier[/$txn_id]
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PATTERNS = "/join/(?P<room_identifier>[^/]*)"
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register_txn_path(self, PATTERNS, http_server)
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async def on_POST(
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self,
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request: SynapseRequest,
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room_identifier: str,
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txn_id: Optional[str] = None,
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) -> Tuple[int, JsonDict]:
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requester = await self.auth.get_user_by_req(request, allow_guest=True)
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try:
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content = parse_json_object_from_request(request)
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except Exception:
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# Turns out we used to ignore the body entirely, and some clients
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# cheekily send invalid bodies.
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content = {}
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# twisted.web.server.Request.args is incorrectly defined as Optional[Any]
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args: Dict[bytes, List[bytes]] = request.args # type: ignore
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remote_room_hosts = parse_strings_from_args(args, "server_name", required=False)
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room_id, remote_room_hosts = await self.resolve_room_id(
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room_identifier,
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remote_room_hosts,
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)
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await self.room_member_handler.update_membership(
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requester=requester,
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target=requester.user,
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room_id=room_id,
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action="join",
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txn_id=txn_id,
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remote_room_hosts=remote_room_hosts,
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content=content,
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third_party_signed=content.get("third_party_signed", None),
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)
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return 200, {"room_id": room_id}
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def on_PUT(
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self, request: SynapseRequest, room_identifier: str, txn_id: str
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) -> Awaitable[Tuple[int, JsonDict]]:
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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_identifier, txn_id
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)
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|
|
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# TODO: Needs unit testing
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class PublicRoomListRestServlet(TransactionRestServlet):
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PATTERNS = client_patterns("/publicRooms$", v1=True)
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def __init__(self, hs: "HomeServer"):
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super().__init__(hs)
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self.hs = hs
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self.auth = hs.get_auth()
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async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
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server = parse_string(request, "server")
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try:
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await self.auth.get_user_by_req(request, allow_guest=True)
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except InvalidClientCredentialsError as e:
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# Option to allow servers to require auth when accessing
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# /publicRooms via CS API. This is especially helpful in private
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# federations.
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if not self.hs.config.server.allow_public_rooms_without_auth:
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raise
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|
|
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# We allow people to not be authed if they're just looking at our
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# room list, but require auth when we proxy the request.
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# In both cases we call the auth function, as that has the side
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# effect of logging who issued this request if an access token was
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# provided.
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if server:
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raise e
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limit: Optional[int] = parse_integer(request, "limit", 0)
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since_token = parse_string(request, "since")
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|
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if limit == 0:
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# zero is a special value which corresponds to no limit.
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limit = None
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handler = self.hs.get_room_list_handler()
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if server and server != self.hs.config.server.server_name:
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# Ensure the server is valid.
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try:
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parse_and_validate_server_name(server)
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except ValueError:
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raise SynapseError(
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400,
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"Invalid server name: %s" % (server,),
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Codes.INVALID_PARAM,
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)
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data = await handler.get_remote_public_room_list(
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server, limit=limit, since_token=since_token
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)
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else:
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data = await handler.get_local_public_room_list(
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limit=limit, since_token=since_token
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)
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return 200, data
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|
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async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
|
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await self.auth.get_user_by_req(request, allow_guest=True)
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|
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server = parse_string(request, "server")
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content = parse_json_object_from_request(request)
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limit: Optional[int] = int(content.get("limit", 100))
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since_token = content.get("since", None)
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search_filter = content.get("filter", None)
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include_all_networks = content.get("include_all_networks", False)
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third_party_instance_id = content.get("third_party_instance_id", None)
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|
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if include_all_networks:
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network_tuple = None
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if third_party_instance_id is not None:
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raise SynapseError(
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400, "Can't use include_all_networks with an explicit network"
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)
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elif third_party_instance_id is None:
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network_tuple = ThirdPartyInstanceID(None, None)
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else:
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network_tuple = ThirdPartyInstanceID.from_string(third_party_instance_id)
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|
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if limit == 0:
|
|
# zero is a special value which corresponds to no limit.
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limit = None
|
|
|
|
handler = self.hs.get_room_list_handler()
|
|
if server and server != self.hs.config.server.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,
|
|
)
|
|
|
|
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,
|
|
)
|
|
|
|
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: "HomeServer"):
|
|
super().__init__()
|
|
self.message_handler = hs.get_message_handler()
|
|
self.auth = hs.get_auth()
|
|
self.store = hs.get_datastores().main
|
|
|
|
@cancellable
|
|
async def on_GET(
|
|
self, request: SynapseRequest, room_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
# 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$", v1=True)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self.message_handler = hs.get_message_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
async def on_GET(
|
|
self, request: SynapseRequest, room_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
requester = await self.auth.get_user_by_req(request)
|
|
|
|
users_with_profile = await self.message_handler.get_joined_members(
|
|
requester, room_id
|
|
)
|
|
|
|
return 200, {"joined": users_with_profile}
|
|
|
|
|
|
# TODO: Needs better unit testing
|
|
class RoomMessageListRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/messages$", v1=True)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self._hs = hs
|
|
self.clock = hs.get_clock()
|
|
self.pagination_handler = hs.get_pagination_handler()
|
|
self.auth = hs.get_auth()
|
|
self.store = hs.get_datastores().main
|
|
|
|
async def on_GET(
|
|
self, request: SynapseRequest, room_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
processing_start_time = self.clock.time_msec()
|
|
# Fire off and hope that we get a result by the end.
|
|
#
|
|
# We're using the mypy type ignore comment because the `@cached`
|
|
# decorator on `get_number_joined_users_in_room` doesn't play well with
|
|
# the type system. Maybe in the future, it can use some ParamSpec
|
|
# wizardry to fix it up.
|
|
room_member_count_deferred = run_in_background( # type: ignore[call-arg]
|
|
self.store.get_number_joined_users_in_room,
|
|
room_id, # type: ignore[arg-type]
|
|
)
|
|
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
pagination_config = await PaginationConfig.from_request(
|
|
self.store, request, default_limit=10
|
|
)
|
|
# Twisted will have processed the args by now.
|
|
assert request.args is not None
|
|
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: Optional[Filter] = Filter(
|
|
self._hs, json_decoder.decode(filter_json)
|
|
)
|
|
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,
|
|
)
|
|
|
|
processing_end_time = self.clock.time_msec()
|
|
room_member_count = await make_deferred_yieldable(room_member_count_deferred)
|
|
messsages_response_timer.labels(
|
|
room_size=_RoomSize.from_member_count(room_member_count)
|
|
).observe((processing_start_time - processing_end_time) / 1000)
|
|
|
|
return 200, msgs
|
|
|
|
|
|
# TODO: Needs unit testing
|
|
class RoomStateRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/state$", v1=True)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self.message_handler = hs.get_message_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
@cancellable
|
|
async def on_GET(
|
|
self, request: SynapseRequest, room_id: str
|
|
) -> Tuple[int, List[JsonDict]]:
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
# Get all the current state for this room
|
|
events = await self.message_handler.get_state_events(
|
|
room_id=room_id,
|
|
user_id=requester.user.to_string(),
|
|
is_guest=requester.is_guest,
|
|
)
|
|
return 200, events
|
|
|
|
|
|
# TODO: Needs unit testing
|
|
class RoomInitialSyncRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/initialSync$", v1=True)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self.initial_sync_handler = hs.get_initial_sync_handler()
|
|
self.auth = hs.get_auth()
|
|
self.store = hs.get_datastores().main
|
|
|
|
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)
|
|
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: "HomeServer"):
|
|
super().__init__()
|
|
self.clock = hs.get_clock()
|
|
self._store = hs.get_datastores().main
|
|
self._state = hs.get_state_handler()
|
|
self._storage_controllers = hs.get_storage_controllers()
|
|
self.event_handler = hs.get_event_handler()
|
|
self._event_serializer = hs.get_event_client_serializer()
|
|
self._relations_handler = hs.get_relations_handler()
|
|
self.auth = hs.get_auth()
|
|
self.content_keep_ms = hs.config.server.redaction_retention_period
|
|
self.msc2815_enabled = hs.config.experimental.msc2815_enabled
|
|
|
|
async def on_GET(
|
|
self, request: SynapseRequest, room_id: str, event_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
requester = await self.auth.get_user_by_req(request, allow_guest=True)
|
|
|
|
include_unredacted_content = self.msc2815_enabled and (
|
|
parse_string(
|
|
request,
|
|
"fi.mau.msc2815.include_unredacted_content",
|
|
allowed_values=("true", "false"),
|
|
)
|
|
== "true"
|
|
)
|
|
if include_unredacted_content and not await self.auth.is_server_admin(
|
|
requester.user
|
|
):
|
|
power_level_event = (
|
|
await self._storage_controllers.state.get_current_state_event(
|
|
room_id, EventTypes.PowerLevels, ""
|
|
)
|
|
)
|
|
|
|
auth_events = {}
|
|
if power_level_event:
|
|
auth_events[(EventTypes.PowerLevels, "")] = power_level_event
|
|
|
|
redact_level = event_auth.get_named_level(auth_events, "redact", 50)
|
|
user_level = event_auth.get_user_power_level(
|
|
requester.user.to_string(), auth_events
|
|
)
|
|
if user_level < redact_level:
|
|
raise SynapseError(
|
|
403,
|
|
"You don't have permission to view redacted events in this room.",
|
|
errcode=Codes.FORBIDDEN,
|
|
)
|
|
|
|
try:
|
|
event = await self.event_handler.get_event(
|
|
requester.user,
|
|
room_id,
|
|
event_id,
|
|
show_redacted=include_unredacted_content,
|
|
)
|
|
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)
|
|
|
|
if event:
|
|
if include_unredacted_content and await self._store.have_censored_event(
|
|
event_id
|
|
):
|
|
raise UnredactedContentDeletedError(self.content_keep_ms)
|
|
|
|
# Ensure there are bundled aggregations available.
|
|
aggregations = await self._relations_handler.get_bundled_aggregations(
|
|
[event], requester.user.to_string()
|
|
)
|
|
|
|
time_now = self.clock.time_msec()
|
|
# per MSC2676, /rooms/{roomId}/event/{eventId}, should return the
|
|
# *original* event, rather than the edited version
|
|
event_dict = self._event_serializer.serialize_event(
|
|
event, time_now, bundle_aggregations=aggregations, apply_edits=False
|
|
)
|
|
return 200, event_dict
|
|
|
|
raise 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: "HomeServer"):
|
|
super().__init__()
|
|
self._hs = hs
|
|
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: SynapseRequest, room_id: str, event_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
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: Optional[Filter] = Filter(
|
|
self._hs, json_decoder.decode(filter_json)
|
|
)
|
|
else:
|
|
event_filter = None
|
|
|
|
event_context = await self.room_context_handler.get_event_context(
|
|
requester, room_id, event_id, limit, event_filter
|
|
)
|
|
|
|
if not event_context:
|
|
raise SynapseError(404, "Event not found.", errcode=Codes.NOT_FOUND)
|
|
|
|
time_now = self.clock.time_msec()
|
|
results = {
|
|
"events_before": self._event_serializer.serialize_events(
|
|
event_context.events_before,
|
|
time_now,
|
|
bundle_aggregations=event_context.aggregations,
|
|
),
|
|
"event": self._event_serializer.serialize_event(
|
|
event_context.event,
|
|
time_now,
|
|
bundle_aggregations=event_context.aggregations,
|
|
),
|
|
"events_after": self._event_serializer.serialize_events(
|
|
event_context.events_after,
|
|
time_now,
|
|
bundle_aggregations=event_context.aggregations,
|
|
),
|
|
"state": self._event_serializer.serialize_events(
|
|
event_context.state, time_now
|
|
),
|
|
"start": event_context.start,
|
|
"end": event_context.end,
|
|
}
|
|
|
|
return 200, results
|
|
|
|
|
|
class RoomForgetRestServlet(TransactionRestServlet):
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__(hs)
|
|
self.room_member_handler = hs.get_room_member_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
def register(self, http_server: HttpServer) -> None:
|
|
PATTERNS = "/rooms/(?P<room_id>[^/]*)/forget"
|
|
register_txn_path(self, PATTERNS, http_server)
|
|
|
|
async def on_POST(
|
|
self, request: SynapseRequest, room_id: str, txn_id: Optional[str] = None
|
|
) -> Tuple[int, JsonDict]:
|
|
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: SynapseRequest, room_id: str, txn_id: str
|
|
) -> Awaitable[Tuple[int, JsonDict]]:
|
|
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: "HomeServer"):
|
|
super().__init__(hs)
|
|
self.room_member_handler = hs.get_room_member_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
def register(self, http_server: HttpServer) -> None:
|
|
# /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: SynapseRequest,
|
|
room_id: str,
|
|
membership_action: str,
|
|
txn_id: Optional[str] = None,
|
|
) -> Tuple[int, JsonDict]:
|
|
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: JsonDict) -> bool:
|
|
for key in {"id_server", "medium", "address"}:
|
|
if key not in content:
|
|
return False
|
|
return True
|
|
|
|
def on_PUT(
|
|
self, request: SynapseRequest, room_id: str, membership_action: str, txn_id: str
|
|
) -> Awaitable[Tuple[int, JsonDict]]:
|
|
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: "HomeServer"):
|
|
super().__init__(hs)
|
|
self.event_creation_handler = hs.get_event_creation_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
def register(self, http_server: HttpServer) -> None:
|
|
PATTERNS = "/rooms/(?P<room_id>[^/]*)/redact/(?P<event_id>[^/]*)"
|
|
register_txn_path(self, PATTERNS, http_server)
|
|
|
|
async def on_POST(
|
|
self,
|
|
request: SynapseRequest,
|
|
room_id: str,
|
|
event_id: str,
|
|
txn_id: Optional[str] = None,
|
|
) -> Tuple[int, JsonDict]:
|
|
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: SynapseRequest, room_id: str, event_id: str, txn_id: str
|
|
) -> Awaitable[Tuple[int, JsonDict]]:
|
|
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>[^/]*)$", v1=True
|
|
)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self.hs = hs
|
|
self.presence_handler = hs.get_presence_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
# If we're not on the typing writer instance we should scream if we get
|
|
# requests.
|
|
self._is_typing_writer = (
|
|
hs.get_instance_name() in hs.config.worker.writers.typing
|
|
)
|
|
|
|
async def on_PUT(
|
|
self, request: SynapseRequest, room_id: str, user_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
requester = await self.auth.get_user_by_req(request)
|
|
|
|
if not self._is_typing_writer:
|
|
raise Exception("Got /typing request on instance that is not typing writer")
|
|
|
|
room_id = urlparse.unquote(room_id)
|
|
target_user = UserID.from_string(urlparse.unquote(user_id))
|
|
|
|
content = parse_json_object_from_request(request)
|
|
|
|
await self.presence_handler.bump_presence_active_time(requester.user)
|
|
|
|
# Limit timeout to stop people from setting silly typing timeouts.
|
|
timeout = min(content.get("timeout", 30000), 120000)
|
|
|
|
# Defer getting the typing handler since it will raise on workers.
|
|
typing_handler = self.hs.get_typing_writer_handler()
|
|
|
|
try:
|
|
if content["typing"]:
|
|
await typing_handler.started_typing(
|
|
target_user=target_user,
|
|
requester=requester,
|
|
room_id=room_id,
|
|
timeout=timeout,
|
|
)
|
|
else:
|
|
await typing_handler.stopped_typing(
|
|
target_user=target_user, requester=requester, room_id=room_id
|
|
)
|
|
except ShadowBanError:
|
|
# Pretend this worked without error.
|
|
pass
|
|
|
|
return 200, {}
|
|
|
|
|
|
class RoomAliasListServlet(RestServlet):
|
|
PATTERNS = [
|
|
re.compile(
|
|
r"^/_matrix/client/unstable/org\.matrix\.msc2432"
|
|
r"/rooms/(?P<room_id>[^/]*)/aliases"
|
|
),
|
|
] + list(client_patterns("/rooms/(?P<room_id>[^/]*)/aliases$", 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: SynapseRequest, room_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
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$", v1=True)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self.search_handler = hs.get_search_handler()
|
|
self.auth = hs.get_auth()
|
|
|
|
async def on_POST(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
|
|
requester = await self.auth.get_user_by_req(request)
|
|
|
|
content = parse_json_object_from_request(request)
|
|
|
|
batch = parse_string(request, "next_batch")
|
|
results = await self.search_handler.search(requester.user, content, batch)
|
|
|
|
return 200, results
|
|
|
|
|
|
class JoinedRoomsRestServlet(RestServlet):
|
|
PATTERNS = client_patterns("/joined_rooms$", v1=True)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self.store = hs.get_datastores().main
|
|
self.auth = hs.get_auth()
|
|
|
|
async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
|
|
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: RestServlet,
|
|
regex_string: str,
|
|
http_server: HttpServer,
|
|
with_get: bool = False,
|
|
) -> None:
|
|
"""Registers a transaction-based path.
|
|
|
|
This registers two paths:
|
|
PUT regex_string/$txnid
|
|
POST regex_string
|
|
|
|
Args:
|
|
regex_string: 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.
|
|
"""
|
|
on_POST = getattr(servlet, "on_POST", None)
|
|
on_PUT = getattr(servlet, "on_PUT", None)
|
|
if on_POST is None or on_PUT is None:
|
|
raise RuntimeError("on_POST and on_PUT must exist when using register_txn_path")
|
|
http_server.register_paths(
|
|
"POST",
|
|
client_patterns(regex_string + "$", v1=True),
|
|
on_POST,
|
|
servlet.__class__.__name__,
|
|
)
|
|
http_server.register_paths(
|
|
"PUT",
|
|
client_patterns(regex_string + "/(?P<txn_id>[^/]*)$", v1=True),
|
|
on_PUT,
|
|
servlet.__class__.__name__,
|
|
)
|
|
on_GET = getattr(servlet, "on_GET", None)
|
|
if with_get:
|
|
if on_GET is None:
|
|
raise RuntimeError(
|
|
"register_txn_path called with with_get = True, but no on_GET method exists"
|
|
)
|
|
http_server.register_paths(
|
|
"GET",
|
|
client_patterns(regex_string + "/(?P<txn_id>[^/]*)$", v1=True),
|
|
on_GET,
|
|
servlet.__class__.__name__,
|
|
)
|
|
|
|
|
|
class TimestampLookupRestServlet(RestServlet):
|
|
"""
|
|
API endpoint to fetch the `event_id` of the closest event to the given
|
|
timestamp (`ts` query parameter) in the given direction (`dir` query
|
|
parameter).
|
|
|
|
Useful for cases like jump to date so you can start paginating messages from
|
|
a given date in the archive.
|
|
|
|
`ts` is a timestamp in milliseconds where we will find the closest event in
|
|
the given direction.
|
|
|
|
`dir` can be `f` or `b` to indicate forwards and backwards in time from the
|
|
given timestamp.
|
|
|
|
GET /_matrix/client/unstable/org.matrix.msc3030/rooms/<roomID>/timestamp_to_event?ts=<timestamp>&dir=<direction>
|
|
{
|
|
"event_id": ...
|
|
}
|
|
"""
|
|
|
|
PATTERNS = (
|
|
re.compile(
|
|
"^/_matrix/client/unstable/org.matrix.msc3030"
|
|
"/rooms/(?P<room_id>[^/]*)/timestamp_to_event$"
|
|
),
|
|
)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self._auth = hs.get_auth()
|
|
self._store = hs.get_datastores().main
|
|
self.timestamp_lookup_handler = hs.get_timestamp_lookup_handler()
|
|
|
|
async def on_GET(
|
|
self, request: SynapseRequest, room_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
requester = await self._auth.get_user_by_req(request)
|
|
await self._auth.check_user_in_room_or_world_readable(
|
|
room_id, requester.user.to_string()
|
|
)
|
|
|
|
timestamp = parse_integer(request, "ts", required=True)
|
|
direction = parse_string(request, "dir", default="f", allowed_values=["f", "b"])
|
|
|
|
(
|
|
event_id,
|
|
origin_server_ts,
|
|
) = await self.timestamp_lookup_handler.get_event_for_timestamp(
|
|
requester, room_id, timestamp, direction
|
|
)
|
|
|
|
return 200, {
|
|
"event_id": event_id,
|
|
"origin_server_ts": origin_server_ts,
|
|
}
|
|
|
|
|
|
class RoomHierarchyRestServlet(RestServlet):
|
|
PATTERNS = (re.compile("^/_matrix/client/v1/rooms/(?P<room_id>[^/]*)/hierarchy$"),)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__()
|
|
self._auth = hs.get_auth()
|
|
self._room_summary_handler = hs.get_room_summary_handler()
|
|
|
|
async def on_GET(
|
|
self, request: SynapseRequest, room_id: str
|
|
) -> Tuple[int, JsonDict]:
|
|
requester = await self._auth.get_user_by_req(request, allow_guest=True)
|
|
|
|
max_depth = parse_integer(request, "max_depth")
|
|
if max_depth is not None and max_depth < 0:
|
|
raise SynapseError(
|
|
400, "'max_depth' must be a non-negative integer", Codes.BAD_JSON
|
|
)
|
|
|
|
limit = parse_integer(request, "limit")
|
|
if limit is not None and limit <= 0:
|
|
raise SynapseError(
|
|
400, "'limit' must be a positive integer", Codes.BAD_JSON
|
|
)
|
|
|
|
return 200, await self._room_summary_handler.get_room_hierarchy(
|
|
requester,
|
|
room_id,
|
|
suggested_only=parse_boolean(request, "suggested_only", default=False),
|
|
max_depth=max_depth,
|
|
limit=limit,
|
|
from_token=parse_string(request, "from"),
|
|
)
|
|
|
|
|
|
class RoomSummaryRestServlet(ResolveRoomIdMixin, RestServlet):
|
|
PATTERNS = (
|
|
re.compile(
|
|
"^/_matrix/client/unstable/im.nheko.summary"
|
|
"/rooms/(?P<room_identifier>[^/]*)/summary$"
|
|
),
|
|
)
|
|
|
|
def __init__(self, hs: "HomeServer"):
|
|
super().__init__(hs)
|
|
self._auth = hs.get_auth()
|
|
self._room_summary_handler = hs.get_room_summary_handler()
|
|
|
|
async def on_GET(
|
|
self, request: SynapseRequest, room_identifier: str
|
|
) -> Tuple[int, JsonDict]:
|
|
try:
|
|
requester = await self._auth.get_user_by_req(request, allow_guest=True)
|
|
requester_user_id: Optional[str] = requester.user.to_string()
|
|
except MissingClientTokenError:
|
|
# auth is optional
|
|
requester_user_id = None
|
|
|
|
# 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, "via", required=False)
|
|
room_id, remote_room_hosts = await self.resolve_room_id(
|
|
room_identifier,
|
|
remote_room_hosts,
|
|
)
|
|
|
|
return 200, await self._room_summary_handler.get_room_summary(
|
|
requester_user_id,
|
|
room_id,
|
|
remote_room_hosts,
|
|
)
|
|
|
|
|
|
def register_servlets(
|
|
hs: "HomeServer", http_server: HttpServer, is_worker: bool = False
|
|
) -> None:
|
|
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)
|
|
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)
|
|
RoomHierarchyRestServlet(hs).register(http_server)
|
|
if hs.config.experimental.msc3266_enabled:
|
|
RoomSummaryRestServlet(hs).register(http_server)
|
|
RoomEventServlet(hs).register(http_server)
|
|
JoinedRoomsRestServlet(hs).register(http_server)
|
|
RoomAliasListServlet(hs).register(http_server)
|
|
SearchRestServlet(hs).register(http_server)
|
|
RoomCreateRestServlet(hs).register(http_server)
|
|
if hs.config.experimental.msc3030_enabled:
|
|
TimestampLookupRestServlet(hs).register(http_server)
|
|
|
|
# Some servlets only get registered for the main process.
|
|
if not is_worker:
|
|
RoomForgetRestServlet(hs).register(http_server)
|
|
|
|
|
|
def register_deprecated_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
|
|
RoomInitialSyncRestServlet(hs).register(http_server)
|