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# -*- coding: utf-8 -*-
# Copyright 2019 New Vector
#
# 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 logging
from twisted.internet import defer
from synapse.api.room_versions import KNOWN_ROOM_VERSIONS
from synapse.http.servlet import RestServlet
from ._base import client_patterns
logger = logging.getLogger(__name__)
class CapabilitiesRestServlet(RestServlet):
"""End point to expose the capabilities of the server."""
PATTERNS = client_patterns("/capabilities$")
def __init__(self, hs):
"""
Args:
hs (synapse.server.HomeServer): server
"""
super(CapabilitiesRestServlet, self).__init__()
self.hs = hs
self.config = hs.config
self.auth = hs.get_auth()
self.store = hs.get_datastore()
@defer.inlineCallbacks
def on_GET(self, request):
requester = yield self.auth.get_user_by_req(request, allow_guest=True)
user = yield self.store.get_user_by_id(requester.user.to_string())
change_password = bool(user["password_hash"])
response = {
"capabilities": {
"m.room_versions": {
"default": self.config.default_room_version.identifier,
"available": {
v.identifier: v.disposition
for v in KNOWN_ROOM_VERSIONS.values()
},
},
"m.change_password": {"enabled": change_password},
}
}
defer.returnValue((200, response))
def register_servlets(hs, http_server):
CapabilitiesRestServlet(hs).register(http_server)
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