summary refs log tree commit diff
path: root/synapse/rest/client/versions.py
blob: f4281581393fcf17e784b6f97d9de21c9627198d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
#
# 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 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$")]
    CATEGORY = "Client API requests"

    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",
                    "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": self.config.experimental.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)