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
|
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2020 The Matrix.org Foundation C.I.C.
# Copyright 2020 Sorunome
# 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
from typing import TYPE_CHECKING, Dict, List, Tuple
from synapse.api.constants import Membership
from synapse.api.errors import SynapseError
from synapse.http.server import HttpServer
from synapse.http.servlet import (
RestServlet,
parse_json_object_from_request,
parse_strings_from_args,
)
from synapse.http.site import SynapseRequest
from synapse.types import JsonDict, RoomAlias, RoomID
if TYPE_CHECKING:
from synapse.app.homeserver import HomeServer
from ._base import client_patterns
logger = logging.getLogger(__name__)
class KnockRoomAliasServlet(RestServlet):
"""
POST /knock/{roomIdOrAlias}
"""
PATTERNS = client_patterns("/knock/(?P<room_identifier>[^/]*)")
CATEGORY = "Event sending requests"
def __init__(self, hs: "HomeServer"):
super().__init__()
self.room_member_handler = hs.get_room_member_handler()
self.auth = hs.get_auth()
self._support_via = hs.config.experimental.msc4156_enabled
async def on_POST(
self,
request: SynapseRequest,
room_identifier: str,
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request)
content = parse_json_object_from_request(request)
event_content = None
if "reason" in content:
event_content = {"reason": content["reason"]}
if RoomID.is_valid(room_identifier):
room_id = room_identifier
# twisted.web.server.Request.args is incorrectly defined as Optional[Any]
args: Dict[bytes, List[bytes]] = request.args # type: ignore
remote_room_hosts = parse_strings_from_args(
args, "server_name", required=False
)
if self._support_via:
remote_room_hosts = parse_strings_from_args(
args,
"org.matrix.msc4156.via",
default=remote_room_hosts,
required=False,
)
elif RoomAlias.is_valid(room_identifier):
handler = self.room_member_handler
room_alias = RoomAlias.from_string(room_identifier)
room_id_obj, remote_room_hosts = await handler.lookup_room_alias(room_alias)
room_id = room_id_obj.to_string()
else:
raise SynapseError(
400, "%s was not legal room ID or room alias" % (room_identifier,)
)
await self.room_member_handler.update_membership(
requester=requester,
target=requester.user,
room_id=room_id,
action=Membership.KNOCK,
third_party_signed=None,
remote_room_hosts=remote_room_hosts,
content=event_content,
)
return 200, {"room_id": room_id}
def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None:
KnockRoomAliasServlet(hs).register(http_server)
|
