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# -*- coding: utf-8 -*-
# Copyright 2016 OpenMarket Ltd
# Copyright 2017 Vector Creations Ltd
# Copyright 2018-2019 New Vector Ltd
# Copyright 2019 The Matrix.org Foundation C.I.C.
#
# 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
import re
from synapse.api.constants import RoomCreationPreset
from synapse.http.servlet import RestServlet
logger = logging.getLogger(__name__)
class VersionsRestServlet(RestServlet):
PATTERNS = [re.compile("^/_matrix/client/versions$")]
def __init__(self, hs):
super(VersionsRestServlet, self).__init__()
self.config = hs.config
# Calculate these once since they shouldn't change after start-up.
self.e2ee_forced_public = (
RoomCreationPreset.PUBLIC_CHAT
in self.config.encryption_enabled_by_default_for_room_presets
)
self.e2ee_forced_private = (
RoomCreationPreset.PRIVATE_CHAT
in self.config.encryption_enabled_by_default_for_room_presets
)
self.e2ee_forced_trusted_private = (
RoomCreationPreset.TRUSTED_PRIVATE_CHAT
in self.config.encryption_enabled_by_default_for_room_presets
)
def on_GET(self, request):
return (
200,
{
"versions": [
# XXX: at some point we need to decide whether we need to include
# the previous version numbers, given we've defined r0.3.0 to be
# backwards compatible with r0.2.0. But need to check how
# conscientious we've been in compatibility, and decide whether the
# middle number is the major revision when at 0.X.Y (as opposed to
# X.Y.Z). And we need to decide whether it's fair to make clients
# parse the version string to figure out what's going on.
"r0.0.1",
"r0.1.0",
"r0.2.0",
"r0.3.0",
"r0.4.0",
"r0.5.0",
"r0.6.0",
],
# as per MSC1497:
"unstable_features": {
# Implements support for label-based filtering as described in
# MSC2326.
"org.matrix.label_based_filtering": True,
# Implements support for cross signing as described in MSC1756
"org.matrix.e2e_cross_signing": True,
# Implements additional endpoints as described in MSC2432
"org.matrix.msc2432": True,
# Implements additional endpoints as described in MSC2666
"uk.half-shot.msc2666": True,
# Whether new rooms will be set to encrypted or not (based on presets).
"io.element.e2ee_forced.public": self.e2ee_forced_public,
"io.element.e2ee_forced.private": self.e2ee_forced_private,
"io.element.e2ee_forced.trusted_private": self.e2ee_forced_trusted_private,
},
},
)
def register_servlets(hs, http_server):
VersionsRestServlet(hs).register(http_server)
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