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
207
|
# -*- 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 synapse.http.servlet import parse_json_object_from_request
from synapse.replication.http._base import ReplicationEndpoint
from synapse.types import Requester, UserID
from synapse.util.distributor import user_joined_room, user_left_room
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(ReplicationRemoteJoinRestServlet, self).__init__(hs)
self.federation_handler = hs.get_handlers().federation_handler
self.store = hs.get_datastore()
self.clock = hs.get_clock()
@staticmethod
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)
await self.federation_handler.do_invite_join(
remote_room_hosts, room_id, user_id, event_content
)
return 200, {}
class ReplicationRemoteRejectInviteRestServlet(ReplicationEndpoint):
"""Rejects the invite for the user and room.
Request format:
POST /_synapse/replication/remote_reject_invite/:room_id/:user_id
{
"requester": ...,
"remote_room_hosts": [...],
}
"""
NAME = "remote_reject_invite"
PATH_ARGS = ("room_id", "user_id")
def __init__(self, hs):
super(ReplicationRemoteRejectInviteRestServlet, self).__init__(hs)
self.federation_handler = hs.get_handlers().federation_handler
self.store = hs.get_datastore()
self.clock = hs.get_clock()
@staticmethod
def _serialize_payload(requester, room_id, user_id, remote_room_hosts):
"""
Args:
requester(Requester)
room_id (str)
user_id (str)
remote_room_hosts (list[str]): Servers to try and reject via
"""
return {
"requester": requester.serialize(),
"remote_room_hosts": remote_room_hosts,
}
async def _handle_request(self, request, room_id, user_id):
content = parse_json_object_from_request(request)
remote_room_hosts = content["remote_room_hosts"]
requester = Requester.deserialize(self.store, content["requester"])
if requester.user:
request.authenticated_entity = requester.user.to_string()
logger.info("remote_reject_invite: %s out of room: %s", user_id, room_id)
try:
event = await self.federation_handler.do_remotely_reject_invite(
remote_room_hosts, room_id, user_id
)
ret = event.get_pdu_json()
except Exception as e:
# if we were unable to reject the exception, just mark
# it as rejected on our end and plough ahead.
#
# The 'except' clause is very broad, but we need to
# capture everything from DNS failures upwards
#
logger.warn("Failed to reject invite: %s", e)
await self.store.locally_reject_invite(user_id, room_id)
ret = {}
return 200, ret
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(ReplicationUserJoinedLeftRoomRestServlet, self).__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
def _serialize_payload(room_id, user_id, change):
"""
Args:
room_id (str)
user_id (str)
change (str): Either "joined" or "left"
"""
assert change in ("joined", "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 == "joined":
user_joined_room(self.distributor, user, room_id)
elif 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)
|
