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# -*- coding: utf-8 -*-
# Copyright 2014, 2015 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>
"""
from twisted.internet import defer
from synapse.api.errors import SynapseError
from base import RestServlet, client_path_pattern
import json
import logging
logger = logging.getLogger(__name__)
class PresenceStatusRestServlet(RestServlet):
PATTERN = client_path_pattern("/presence/(?P<user_id>[^/]*)/status")
@defer.inlineCallbacks
def on_GET(self, request, user_id):
auth_user = yield self.auth.get_user_by_req(request)
user = self.hs.parse_userid(user_id)
state = yield self.handlers.presence_handler.get_state(
target_user=user, auth_user=auth_user)
defer.returnValue((200, state))
@defer.inlineCallbacks
def on_PUT(self, request, user_id):
auth_user = yield self.auth.get_user_by_req(request)
user = self.hs.parse_userid(user_id)
state = {}
try:
content = json.loads(request.content.read())
state["presence"] = content.pop("presence")
if "status_msg" in content:
state["status_msg"] = content.pop("status_msg")
if not isinstance(state["status_msg"], basestring):
raise SynapseError(400, "status_msg must be a string.")
if content:
raise KeyError()
except SynapseError as e:
raise e
except:
raise SynapseError(400, "Unable to parse state")
yield self.handlers.presence_handler.set_state(
target_user=user, auth_user=auth_user, state=state)
defer.returnValue((200, {}))
def on_OPTIONS(self, request):
return (200, {})
class PresenceListRestServlet(RestServlet):
PATTERN = client_path_pattern("/presence/list/(?P<user_id>[^/]*)")
@defer.inlineCallbacks
def on_GET(self, request, user_id):
auth_user = yield self.auth.get_user_by_req(request)
user = self.hs.parse_userid(user_id)
if not self.hs.is_mine(user):
raise SynapseError(400, "User not hosted on this Home Server")
if auth_user != user:
raise SynapseError(400, "Cannot get another user's presence list")
presence = yield self.handlers.presence_handler.get_presence_list(
observer_user=user, accepted=True)
for p in presence:
observed_user = p.pop("observed_user")
p["user_id"] = observed_user.to_string()
defer.returnValue((200, presence))
@defer.inlineCallbacks
def on_POST(self, request, user_id):
auth_user = yield self.auth.get_user_by_req(request)
user = self.hs.parse_userid(user_id)
if not self.hs.is_mine(user):
raise SynapseError(400, "User not hosted on this Home Server")
if auth_user != user:
raise SynapseError(
400, "Cannot modify another user's presence list")
try:
content = json.loads(request.content.read())
except:
logger.exception("JSON parse error")
raise SynapseError(400, "Unable to parse content")
if "invite" in content:
for u in content["invite"]:
if not isinstance(u, basestring):
raise SynapseError(400, "Bad invite value.")
if len(u) == 0:
continue
invited_user = self.hs.parse_userid(u)
yield self.handlers.presence_handler.send_invite(
observer_user=user, observed_user=invited_user
)
if "drop" in content:
for u in content["drop"]:
if not isinstance(u, basestring):
raise SynapseError(400, "Bad drop value.")
if len(u) == 0:
continue
dropped_user = self.hs.parse_userid(u)
yield self.handlers.presence_handler.drop(
observer_user=user, observed_user=dropped_user
)
defer.returnValue((200, {}))
def on_OPTIONS(self, request):
return (200, {})
def register_servlets(hs, http_server):
PresenceStatusRestServlet(hs).register(http_server)
PresenceListRestServlet(hs).register(http_server)
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