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- # -*- coding: utf-8 -*-
- # Copyright 2014-2016 OpenMarket 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.
- """ This module contains REST servlets to do with presence: /presence/<paths>
- """
- import logging
- from synapse.api.errors import AuthError, SynapseError
- from synapse.handlers.presence import format_user_presence_state
- from synapse.http.servlet import RestServlet, parse_json_object_from_request
- from synapse.rest.client.v2_alpha._base import client_patterns
- from synapse.types import UserID
- logger = logging.getLogger(__name__)
- class PresenceStatusRestServlet(RestServlet):
- PATTERNS = client_patterns("/presence/(?P<user_id>[^/]*)/status", v1=True)
- def __init__(self, hs):
- super(PresenceStatusRestServlet, self).__init__()
- self.hs = hs
- self.presence_handler = hs.get_presence_handler()
- self.clock = hs.get_clock()
- self.auth = hs.get_auth()
- async def on_GET(self, request, user_id):
- requester = await self.auth.get_user_by_req(request)
- user = UserID.from_string(user_id)
- if requester.user != user:
- allowed = await self.presence_handler.is_visible(
- observed_user=user, observer_user=requester.user
- )
- if not allowed:
- raise AuthError(403, "You are not allowed to see their presence.")
- state = await self.presence_handler.get_state(target_user=user)
- state = format_user_presence_state(
- state, self.clock.time_msec(), include_user_id=False
- )
- return 200, state
- async def on_PUT(self, request, user_id):
- requester = await self.auth.get_user_by_req(request)
- user = UserID.from_string(user_id)
- if requester.user != user:
- raise AuthError(403, "Can only set your own presence state")
- state = {}
- content = parse_json_object_from_request(request)
- try:
- state["presence"] = content.pop("presence")
- if "status_msg" in content:
- state["status_msg"] = content.pop("status_msg")
- if not isinstance(state["status_msg"], str):
- raise SynapseError(400, "status_msg must be a string.")
- if content:
- raise KeyError()
- except SynapseError as e:
- raise e
- except Exception:
- raise SynapseError(400, "Unable to parse state")
- if self.hs.config.use_presence:
- await self.presence_handler.set_state(user, state)
- return 200, {}
- def on_OPTIONS(self, request):
- return 200, {}
- def register_servlets(hs, http_server):
- PresenceStatusRestServlet(hs).register(http_server)
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