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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 six import string_types
from twisted.internet import defer
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()
@defer.inlineCallbacks
def on_GET(self, request, user_id):
requester = yield self.auth.get_user_by_req(request)
user = UserID.from_string(user_id)
if requester.user != user:
allowed = yield 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 = yield self.presence_handler.get_state(target_user=user)
state = format_user_presence_state(state, self.clock.time_msec())
defer.returnValue((200, state))
@defer.inlineCallbacks
def on_PUT(self, request, user_id):
requester = yield 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"], string_types):
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:
yield self.presence_handler.set_state(user, state)
defer.returnValue((200, {}))
def on_OPTIONS(self, request):
return (200, {})
def register_servlets(hs, http_server):
PresenceStatusRestServlet(hs).register(http_server)
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