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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2019 The Matrix.org Foundation C.I.C.
# Copyright 2017 Vector Creations Ltd
# Copyright 2016 OpenMarket Ltd
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
import logging
import re
from typing import TYPE_CHECKING, Tuple
from synapse.api.constants import RoomCreationPreset
from synapse.http.server import HttpServer
from synapse.http.servlet import RestServlet
from synapse.http.site import SynapseRequest
from synapse.rest.admin.experimental_features import ExperimentalFeature
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$")]
CATEGORY = "Client API requests"
def __init__(self, hs: "HomeServer"):
super().__init__()
self.config = hs.config
self.auth = hs.get_auth()
self.store = hs.get_datastores().main
# 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
)
async def on_GET(self, request: SynapseRequest) -> Tuple[int, JsonDict]:
msc3881_enabled = self.config.experimental.msc3881_enabled
if self.auth.has_access_token(request):
requester = await self.auth.get_user_by_req(request)
user_id = requester.user.to_string()
msc3881_enabled = await self.store.is_feature_enabled(
user_id, ExperimentalFeature.MSC3881
)
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",
"v1.3",
"v1.4",
"v1.5",
"v1.6",
"v1.7",
"v1.8",
"v1.9",
"v1.10",
],
# 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.query_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.stable": True, # TODO: Remove when MSC2285 becomes a part of the spec
# Supports filtering of /publicRooms by room type as per MSC3827
"org.matrix.msc3827.stable": True,
# Adds support for thread relations, per MSC3440.
"org.matrix.msc3440.stable": True, # TODO: remove when "v1.3" is added above
# Support for thread read receipts & notification counts.
"org.matrix.msc3771": True,
"org.matrix.msc3773": self.config.experimental.msc3773_enabled,
# Allows moderators to fetch redacted event content as described in MSC2815
"fi.mau.msc2815": self.config.experimental.msc2815_enabled,
# Adds a ping endpoint for appservices to check HS->AS connection
"fi.mau.msc2659.stable": True, # TODO: remove when "v1.7" is added above
# TODO: this is no longer needed once unstable MSC3882 does not need to be supported:
"org.matrix.msc3882": self.config.auth.login_via_existing_enabled,
# Adds support for remotely enabling/disabling pushers, as per MSC3881
"org.matrix.msc3881": msc3881_enabled,
# Adds support for filtering /messages by event relation.
"org.matrix.msc3874": self.config.experimental.msc3874_enabled,
# Adds support for simple HTTP rendezvous as per MSC3886
"org.matrix.msc3886": self.config.experimental.msc3886_endpoint
is not None,
# Adds support for relation-based redactions as per MSC3912.
"org.matrix.msc3912": self.config.experimental.msc3912_enabled,
# Whether recursively provide relations is supported.
# TODO This is no longer needed once unstable MSC3981 does not need to be supported.
"org.matrix.msc3981": True,
# Adds support for deleting account data.
"org.matrix.msc3391": self.config.experimental.msc3391_enabled,
# Allows clients to inhibit profile update propagation.
"org.matrix.msc4069": self.config.experimental.msc4069_profile_inhibit_propagation,
# Allows clients to handle push for encrypted events.
"org.matrix.msc4028": self.config.experimental.msc4028_push_encrypted_events,
# MSC4108: Mechanism to allow OIDC sign in and E2EE set up via QR code
"org.matrix.msc4108": (
self.config.experimental.msc4108_enabled
or (
self.config.experimental.msc4108_delegation_endpoint
is not None
)
),
# MSC4151: Report room API (Client-Server API)
"org.matrix.msc4151": self.config.experimental.msc4151_enabled,
},
},
)
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
VersionsRestServlet(hs).register(http_server)
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