116 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Python
		
	
	
| # Copyright 2016 OpenMarket Ltd
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| # Copyright 2017 Vector Creations Ltd
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| # Copyright 2018-2019 New Vector Ltd
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| # Copyright 2019 The Matrix.org Foundation C.I.C.
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| 
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| import logging
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| import re
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| from typing import TYPE_CHECKING, Tuple
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| 
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| from twisted.web.server import Request
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| 
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| from synapse.api.constants import RoomCreationPreset
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| from synapse.http.server import HttpServer
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| from synapse.http.servlet import RestServlet
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| from synapse.types import JsonDict
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| 
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| if TYPE_CHECKING:
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|     from synapse.server import HomeServer
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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| class VersionsRestServlet(RestServlet):
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|     PATTERNS = [re.compile("^/_matrix/client/versions$")]
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| 
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|     def __init__(self, hs: "HomeServer"):
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|         super().__init__()
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|         self.config = hs.config
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| 
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|         # Calculate these once since they shouldn't change after start-up.
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|         self.e2ee_forced_public = (
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|             RoomCreationPreset.PUBLIC_CHAT
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|             in self.config.room.encryption_enabled_by_default_for_room_presets
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|         )
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|         self.e2ee_forced_private = (
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|             RoomCreationPreset.PRIVATE_CHAT
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|             in self.config.room.encryption_enabled_by_default_for_room_presets
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|         )
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|         self.e2ee_forced_trusted_private = (
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|             RoomCreationPreset.TRUSTED_PRIVATE_CHAT
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|             in self.config.room.encryption_enabled_by_default_for_room_presets
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|         )
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| 
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|     def on_GET(self, request: Request) -> Tuple[int, JsonDict]:
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|         return (
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|             200,
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|             {
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|                 "versions": [
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|                     # XXX: at some point we need to decide whether we need to include
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|                     # the previous version numbers, given we've defined r0.3.0 to be
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|                     # backwards compatible with r0.2.0.  But need to check how
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|                     # conscientious we've been in compatibility, and decide whether the
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|                     # middle number is the major revision when at 0.X.Y (as opposed to
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|                     # X.Y.Z).  And we need to decide whether it's fair to make clients
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|                     # parse the version string to figure out what's going on.
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|                     "r0.0.1",
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|                     "r0.1.0",
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|                     "r0.2.0",
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|                     "r0.3.0",
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|                     "r0.4.0",
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|                     "r0.5.0",
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|                     "r0.6.0",
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|                     "r0.6.1",
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|                     "v1.1",
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|                     "v1.2",
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|                 ],
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|                 # as per MSC1497:
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|                 "unstable_features": {
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|                     # Implements support for label-based filtering as described in
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|                     # MSC2326.
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|                     "org.matrix.label_based_filtering": True,
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|                     # Implements support for cross signing as described in MSC1756
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|                     "org.matrix.e2e_cross_signing": True,
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|                     # Implements additional endpoints as described in MSC2432
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|                     "org.matrix.msc2432": True,
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|                     # Implements additional endpoints as described in MSC2666
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|                     "uk.half-shot.msc2666.mutual_rooms": True,
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|                     # Whether new rooms will be set to encrypted or not (based on presets).
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|                     "io.element.e2ee_forced.public": self.e2ee_forced_public,
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|                     "io.element.e2ee_forced.private": self.e2ee_forced_private,
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|                     "io.element.e2ee_forced.trusted_private": self.e2ee_forced_trusted_private,
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|                     # Supports the busy presence state described in MSC3026.
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|                     "org.matrix.msc3026.busy_presence": self.config.experimental.msc3026_enabled,
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|                     # Supports receiving private read receipts as per MSC2285
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|                     "org.matrix.msc2285.stable": True,  # TODO: Remove when MSC2285 becomes a part of the spec
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|                     "org.matrix.msc2285": self.config.experimental.msc2285_enabled,
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|                     # Supports filtering of /publicRooms by room type as per MSC3827
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|                     "org.matrix.msc3827.stable": True,
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|                     # Adds support for importing historical messages as per MSC2716
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|                     "org.matrix.msc2716": self.config.experimental.msc2716_enabled,
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|                     # Adds support for jump to date endpoints (/timestamp_to_event) as per MSC3030
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|                     "org.matrix.msc3030": self.config.experimental.msc3030_enabled,
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|                     # Adds support for thread relations, per MSC3440.
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|                     "org.matrix.msc3440.stable": True,  # TODO: remove when "v1.3" is added above
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|                     # Allows moderators to fetch redacted event content as described in MSC2815
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|                     "fi.mau.msc2815": self.config.experimental.msc2815_enabled,
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|                 },
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|             },
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|         )
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| 
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| 
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| def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
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|     VersionsRestServlet(hs).register(http_server)
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