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- # -*- coding: utf-8 -*-
- # Copyright 2019 New Vector Ltd
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- import re
- from twisted.internet import defer
- from synapse.api.constants import EventTypes
- from synapse.api.errors import SynapseError
- from synapse.http.servlet import (
- RestServlet,
- assert_params_in_dict,
- parse_json_object_from_request,
- )
- from synapse.rest.admin import assert_requester_is_admin
- from synapse.rest.client.transactions import HttpTransactionCache
- from synapse.types import UserID
- class SendServerNoticeServlet(RestServlet):
- """Servlet which will send a server notice to a given user
- POST /_synapse/admin/v1/send_server_notice
- {
- "user_id": "@target_user:server_name",
- "content": {
- "msgtype": "m.text",
- "body": "This is my message"
- }
- }
- returns:
- {
- "event_id": "$1895723857jgskldgujpious"
- }
- """
- def __init__(self, hs):
- """
- Args:
- hs (synapse.server.HomeServer): server
- """
- self.hs = hs
- self.auth = hs.get_auth()
- self.txns = HttpTransactionCache(hs)
- self.snm = hs.get_server_notices_manager()
- def register(self, json_resource):
- PATTERN = "^/_synapse/admin/v1/send_server_notice"
- json_resource.register_paths("POST", (re.compile(PATTERN + "$"),), self.on_POST)
- json_resource.register_paths(
- "PUT", (re.compile(PATTERN + "/(?P<txn_id>[^/]*)$"),), self.on_PUT
- )
- @defer.inlineCallbacks
- def on_POST(self, request, txn_id=None):
- yield assert_requester_is_admin(self.auth, request)
- body = parse_json_object_from_request(request)
- assert_params_in_dict(body, ("user_id", "content"))
- event_type = body.get("type", EventTypes.Message)
- state_key = body.get("state_key")
- if not self.snm.is_enabled():
- raise SynapseError(400, "Server notices are not enabled on this server")
- user_id = body["user_id"]
- UserID.from_string(user_id)
- if not self.hs.is_mine_id(user_id):
- raise SynapseError(400, "Server notices can only be sent to local users")
- event = yield self.snm.send_notice(
- user_id=body["user_id"],
- type=event_type,
- state_key=state_key,
- event_content=body["content"],
- )
- return (200, {"event_id": event.event_id})
- def on_PUT(self, request, txn_id):
- return self.txns.fetch_or_execute_request(
- request, self.on_POST, request, txn_id
- )
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