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108 lines
3.8 KiB
Python
108 lines
3.8 KiB
Python
# Copyright 2019 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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from typing import TYPE_CHECKING, Optional, Tuple
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from synapse.api.constants import EventTypes
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from synapse.api.errors import NotFoundError, SynapseError
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from synapse.http.server import HttpServer
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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_json_object_from_request,
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)
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from synapse.http.site import SynapseRequest
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from synapse.rest.admin import assert_requester_is_admin
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from synapse.rest.admin._base import admin_patterns
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from synapse.rest.client.transactions import HttpTransactionCache
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from synapse.types import JsonDict, UserID
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if TYPE_CHECKING:
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from synapse.server import HomeServer
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class SendServerNoticeServlet(RestServlet):
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"""Servlet which will send a server notice to a given user
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POST /_synapse/admin/v1/send_server_notice
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{
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"user_id": "@target_user:server_name",
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"content": {
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"msgtype": "m.text",
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"body": "This is my message"
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}
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}
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returns:
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{
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"event_id": "$1895723857jgskldgujpious"
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}
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"""
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def __init__(self, hs: "HomeServer"):
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self.hs = hs
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self.auth = hs.get_auth()
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self.server_notices_manager = hs.get_server_notices_manager()
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self.admin_handler = hs.get_admin_handler()
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self.txns = HttpTransactionCache(hs)
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def register(self, json_resource: HttpServer):
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PATTERN = "/send_server_notice"
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json_resource.register_paths(
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"POST", admin_patterns(PATTERN + "$"), self.on_POST, self.__class__.__name__
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)
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json_resource.register_paths(
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"PUT",
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admin_patterns(PATTERN + "/(?P<txn_id>[^/]*)$"),
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self.on_PUT,
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self.__class__.__name__,
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)
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async def on_POST(
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self, request: SynapseRequest, txn_id: Optional[str] = None
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) -> Tuple[int, JsonDict]:
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await assert_requester_is_admin(self.auth, request)
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body = parse_json_object_from_request(request)
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assert_params_in_dict(body, ("user_id", "content"))
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event_type = body.get("type", EventTypes.Message)
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state_key = body.get("state_key")
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# We grab the server notices manager here as its initialisation has a check for worker processes,
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# but worker processes still need to initialise SendServerNoticeServlet (as it is part of the
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# admin api).
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if not self.server_notices_manager.is_enabled():
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raise SynapseError(400, "Server notices are not enabled on this server")
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target_user = UserID.from_string(body["user_id"])
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if not self.hs.is_mine(target_user):
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raise SynapseError(400, "Server notices can only be sent to local users")
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if not await self.admin_handler.get_user(target_user):
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raise NotFoundError("User not found")
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event = await self.server_notices_manager.send_notice(
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user_id=target_user.to_string(),
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type=event_type,
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state_key=state_key,
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event_content=body["content"],
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txn_id=txn_id,
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)
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return 200, {"event_id": event.event_id}
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def on_PUT(self, request: SynapseRequest, txn_id: str) -> Tuple[int, JsonDict]:
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return self.txns.fetch_or_execute_request(
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request, self.on_POST, request, txn_id
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)
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