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- # 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 typing import TYPE_CHECKING, Tuple
- from twisted.web.server import Request
- from synapse.api.constants import RoomCreationPreset
- from synapse.http.server import HttpServer
- from synapse.http.servlet import RestServlet
- from synapse.types import JsonDict
- if TYPE_CHECKING:
- from synapse.server import HomeServer
- logger = logging.getLogger(__name__)
- class VersionsRestServlet(RestServlet):
- PATTERNS = [re.compile("^/_matrix/client/versions$")]
- def __init__(self, hs: "HomeServer"):
- super().__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.room.encryption_enabled_by_default_for_room_presets
- )
- self.e2ee_forced_private = (
- RoomCreationPreset.PRIVATE_CHAT
- in self.config.room.encryption_enabled_by_default_for_room_presets
- )
- self.e2ee_forced_trusted_private = (
- RoomCreationPreset.TRUSTED_PRIVATE_CHAT
- in self.config.room.encryption_enabled_by_default_for_room_presets
- )
- def on_GET(self, request: Request) -> Tuple[int, JsonDict]:
- 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",
- "r0.6.1",
- "v1.1",
- "v1.2",
- ],
- # 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.mutual_rooms": 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,
- # Supports the busy presence state described in MSC3026.
- "org.matrix.msc3026.busy_presence": self.config.experimental.msc3026_enabled,
- # Supports receiving private read receipts as per MSC2285
- "org.matrix.msc2285": self.config.experimental.msc2285_enabled,
- # Adds support for importing historical messages as per MSC2716
- "org.matrix.msc2716": self.config.experimental.msc2716_enabled,
- # Adds support for jump to date endpoints (/timestamp_to_event) as per MSC3030
- "org.matrix.msc3030": self.config.experimental.msc3030_enabled,
- # Adds support for thread relations, per MSC3440.
- "org.matrix.msc3440.stable": True, # TODO: remove when "v1.3" is added above
- # Allows moderators to fetch redacted event content as described in MSC2815
- "fi.mau.msc2815": self.config.experimental.msc2815_enabled,
- },
- },
- )
- def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
- VersionsRestServlet(hs).register(http_server)
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