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
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
|
# -*- coding: utf-8 -*-
# Copyright 2014-2016 OpenMarket 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 twisted.internet import defer
import synapse.types
from synapse.api.errors import SynapseError, AuthError, CodeMessageException
from synapse.types import UserID, get_domain_from_id
from ._base import BaseHandler
logger = logging.getLogger(__name__)
class ProfileHandler(BaseHandler):
PROFILE_UPDATE_MS = 60 * 1000
PROFILE_UPDATE_EVERY_MS = 24 * 60 * 60 * 1000
def __init__(self, hs):
super(ProfileHandler, self).__init__(hs)
self.federation = hs.get_replication_layer()
self.federation.register_query_handler(
"profile", self.on_profile_query
)
self.clock.looping_call(self._update_remote_profile_cache, self.PROFILE_UPDATE_MS)
@defer.inlineCallbacks
def get_profile(self, user_id):
target_user = UserID.from_string(user_id)
if self.hs.is_mine(target_user):
displayname = yield self.store.get_profile_displayname(
target_user.localpart
)
avatar_url = yield self.store.get_profile_avatar_url(
target_user.localpart
)
defer.returnValue({
"displayname": displayname,
"avatar_url": avatar_url,
})
else:
try:
result = yield self.federation.make_query(
destination=target_user.domain,
query_type="profile",
args={
"user_id": user_id,
},
ignore_backoff=True,
)
defer.returnValue(result)
except CodeMessageException as e:
if e.code != 404:
logger.exception("Failed to get displayname")
raise
@defer.inlineCallbacks
def get_displayname(self, target_user):
if self.hs.is_mine(target_user):
displayname = yield self.store.get_profile_displayname(
target_user.localpart
)
defer.returnValue(displayname)
else:
try:
result = yield self.federation.make_query(
destination=target_user.domain,
query_type="profile",
args={
"user_id": target_user.to_string(),
"field": "displayname",
},
ignore_backoff=True,
)
except CodeMessageException as e:
if e.code != 404:
logger.exception("Failed to get displayname")
raise
except:
logger.exception("Failed to get displayname")
else:
defer.returnValue(result["displayname"])
@defer.inlineCallbacks
def set_displayname(self, target_user, requester, new_displayname, by_admin=False):
"""target_user is the user whose displayname is to be changed;
auth_user is the user attempting to make this change."""
if not self.hs.is_mine(target_user):
raise SynapseError(400, "User is not hosted on this Home Server")
if not by_admin and target_user != requester.user:
raise AuthError(400, "Cannot set another user's displayname")
if new_displayname == '':
new_displayname = None
yield self.store.set_profile_displayname(
target_user.localpart, new_displayname
)
yield self._update_join_states(requester)
@defer.inlineCallbacks
def get_avatar_url(self, target_user):
if self.hs.is_mine(target_user):
avatar_url = yield self.store.get_profile_avatar_url(
target_user.localpart
)
defer.returnValue(avatar_url)
else:
try:
result = yield self.federation.make_query(
destination=target_user.domain,
query_type="profile",
args={
"user_id": target_user.to_string(),
"field": "avatar_url",
},
ignore_backoff=True,
)
except CodeMessageException as e:
if e.code != 404:
logger.exception("Failed to get avatar_url")
raise
except:
logger.exception("Failed to get avatar_url")
defer.returnValue(result["avatar_url"])
@defer.inlineCallbacks
def set_avatar_url(self, target_user, requester, new_avatar_url, by_admin=False):
"""target_user is the user whose avatar_url is to be changed;
auth_user is the user attempting to make this change."""
if not self.hs.is_mine(target_user):
raise SynapseError(400, "User is not hosted on this Home Server")
if not by_admin and target_user != requester.user:
raise AuthError(400, "Cannot set another user's avatar_url")
yield self.store.set_profile_avatar_url(
target_user.localpart, new_avatar_url
)
yield self._update_join_states(requester)
@defer.inlineCallbacks
def on_profile_query(self, args):
user = UserID.from_string(args["user_id"])
if not self.hs.is_mine(user):
raise SynapseError(400, "User is not hosted on this Home Server")
just_field = args.get("field", None)
response = {}
if just_field is None or just_field == "displayname":
response["displayname"] = yield self.store.get_profile_displayname(
user.localpart
)
if just_field is None or just_field == "avatar_url":
response["avatar_url"] = yield self.store.get_profile_avatar_url(
user.localpart
)
defer.returnValue(response)
@defer.inlineCallbacks
def _update_join_states(self, requester):
user = requester.user
if not self.hs.is_mine(user):
return
yield self.ratelimit(requester)
room_ids = yield self.store.get_rooms_for_user(
user.to_string(),
)
for room_id in room_ids:
handler = self.hs.get_handlers().room_member_handler
try:
# Assume the user isn't a guest because we don't let guests set
# profile or avatar data.
# XXX why are we recreating `requester` here for each room?
# what was wrong with the `requester` we were passed?
requester = synapse.types.create_requester(user)
yield handler.update_membership(
requester,
user,
room_id,
"join", # We treat a profile update like a join.
ratelimit=False, # Try to hide that these events aren't atomic.
)
except Exception as e:
logger.warn(
"Failed to update join event for room %s - %s",
room_id, str(e.message)
)
def _update_remote_profile_cache(self):
"""Called periodically to check profiles of remote users we haven't
checked in a while.
"""
entries = yield self.store.get_remote_profile_cache_entries_that_expire(
last_checked=self.clock.time_msec() - self.PROFILE_UPDATE_EVERY_MS
)
for user_id, displayname, avatar_url in entries:
is_subscribed = yield self.store.is_subscribed_remote_profile_for_user(
user_id,
)
if not is_subscribed:
yield self.store.maybe_delete_remote_profile_cache(user_id)
continue
try:
profile = yield self.federation.make_query(
destination=get_domain_from_id(user_id),
query_type="profile",
args={
"user_id": user_id,
},
ignore_backoff=True,
)
except:
logger.exception("Failed to get avatar_url")
yield self.store.update_remote_profile_cache(
user_id, displayname, avatar_url
)
continue
new_name = profile.get("displayname")
new_avatar = profile.get("avatar_url")
# We always hit update to update the last_check timestamp
yield self.store.update_remote_profile_cache(
user_id, new_name, new_avatar
)
|
