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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
# -*- coding: utf-8 -*-
# Copyright 2018 New Vector Ltd
#
# 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
from typing import TYPE_CHECKING, Optional
from synapse.http.servlet import parse_json_object_from_request
from synapse.replication.http._base import ReplicationEndpoint
from synapse.types import JsonDict, Requester, UserID
from synapse.util.distributor import user_left_room
if TYPE_CHECKING:
from synapse.server import HomeServer
logger = logging.getLogger(__name__)
class ReplicationRemoteJoinRestServlet(ReplicationEndpoint):
"""Does a remote join for the given user to the given room
Request format:
POST /_synapse/replication/remote_join/:room_id/:user_id
{
"requester": ...,
"remote_room_hosts": [...],
"content": { ... }
}
"""
NAME = "remote_join"
PATH_ARGS = ("room_id", "user_id")
def __init__(self, hs):
super().__init__(hs)
self.federation_handler = hs.get_federation_handler()
self.store = hs.get_datastore()
self.clock = hs.get_clock()
@staticmethod
async def _serialize_payload(
requester, room_id, user_id, remote_room_hosts, content
):
"""
Args:
requester(Requester)
room_id (str)
user_id (str)
remote_room_hosts (list[str]): Servers to try and join via
content(dict): The event content to use for the join event
"""
return {
"requester": requester.serialize(),
"remote_room_hosts": remote_room_hosts,
"content": content,
}
async def _handle_request(self, request, room_id, user_id):
content = parse_json_object_from_request(request)
remote_room_hosts = content["remote_room_hosts"]
event_content = content["content"]
requester = Requester.deserialize(self.store, content["requester"])
if requester.user:
request.authenticated_entity = requester.user.to_string()
logger.info("remote_join: %s into room: %s", user_id, room_id)
event_id, stream_id = await self.federation_handler.do_invite_join(
remote_room_hosts, room_id, user_id, event_content
)
return 200, {"event_id": event_id, "stream_id": stream_id}
class ReplicationRemoteRejectInviteRestServlet(ReplicationEndpoint):
"""Rejects an out-of-band invite we have received from a remote server
Request format:
POST /_synapse/replication/remote_reject_invite/:event_id
{
"txn_id": ...,
"requester": ...,
"content": { ... }
}
"""
NAME = "remote_reject_invite"
PATH_ARGS = ("invite_event_id",)
def __init__(self, hs: "HomeServer"):
super().__init__(hs)
self.store = hs.get_datastore()
self.clock = hs.get_clock()
self.member_handler = hs.get_room_member_handler()
@staticmethod
async def _serialize_payload( # type: ignore
invite_event_id: str,
txn_id: Optional[str],
requester: Requester,
content: JsonDict,
):
"""
Args:
invite_event_id: ID of the invite to be rejected
txn_id: optional transaction ID supplied by the client
requester: user making the rejection request, according to the access token
content: additional content to include in the rejection event.
Normally an empty dict.
"""
return {
"txn_id": txn_id,
"requester": requester.serialize(),
"content": content,
}
async def _handle_request(self, request, invite_event_id):
content = parse_json_object_from_request(request)
txn_id = content["txn_id"]
event_content = content["content"]
requester = Requester.deserialize(self.store, content["requester"])
if requester.user:
request.authenticated_entity = requester.user.to_string()
# hopefully we're now on the master, so this won't recurse!
event_id, stream_id = await self.member_handler.remote_reject_invite(
invite_event_id, txn_id, requester, event_content,
)
return 200, {"event_id": event_id, "stream_id": stream_id}
class ReplicationUserJoinedLeftRoomRestServlet(ReplicationEndpoint):
"""Notifies that a user has joined or left the room
Request format:
POST /_synapse/replication/membership_change/:room_id/:user_id/:change
{}
"""
NAME = "membership_change"
PATH_ARGS = ("room_id", "user_id", "change")
CACHE = False # No point caching as should return instantly.
def __init__(self, hs):
super().__init__(hs)
self.registeration_handler = hs.get_registration_handler()
self.store = hs.get_datastore()
self.clock = hs.get_clock()
self.distributor = hs.get_distributor()
@staticmethod
async def _serialize_payload(room_id, user_id, change):
"""
Args:
room_id (str)
user_id (str)
change (str): "left"
"""
assert change == "left"
return {}
def _handle_request(self, request, room_id, user_id, change):
logger.info("user membership change: %s in %s", user_id, room_id)
user = UserID.from_string(user_id)
if change == "left":
user_left_room(self.distributor, user, room_id)
else:
raise Exception("Unrecognized change: %r", change)
return 200, {}
def register_servlets(hs, http_server):
ReplicationRemoteJoinRestServlet(hs).register(http_server)
ReplicationRemoteRejectInviteRestServlet(hs).register(http_server)
ReplicationUserJoinedLeftRoomRestServlet(hs).register(http_server)
|
