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
|
# -*- coding: utf-8 -*-
# Copyright 2015, 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.
from twisted.internet import defer
from synapse.api.errors import CodeMessageException
from synapse.http.client import SimpleHttpClient
from synapse.events.utils import serialize_event
from synapse.util.caches.response_cache import ResponseCache
from synapse.types import ThirdPartyEntityKind
import logging
import urllib
logger = logging.getLogger(__name__)
HOUR_IN_MS = 60 * 60 * 1000
def _is_valid_3pe_result(r, field):
if not isinstance(r, dict):
return False
for k in (field, "protocol"):
if k not in r:
return False
if not isinstance(r[k], str):
return False
if "fields" not in r:
return False
fields = r["fields"]
if not isinstance(fields, dict):
return False
for k in fields.keys():
if not isinstance(fields[k], str):
return False
return True
class ApplicationServiceApi(SimpleHttpClient):
"""This class manages HS -> AS communications, including querying and
pushing.
"""
def __init__(self, hs):
super(ApplicationServiceApi, self).__init__(hs)
self.clock = hs.get_clock()
self.protocol_meta_cache = ResponseCache(hs, timeout_ms=HOUR_IN_MS)
@defer.inlineCallbacks
def query_user(self, service, user_id):
uri = service.url + ("/users/%s" % urllib.quote(user_id))
response = None
try:
response = yield self.get_json(uri, {
"access_token": service.hs_token
})
if response is not None: # just an empty json object
defer.returnValue(True)
except CodeMessageException as e:
if e.code == 404:
defer.returnValue(False)
return
logger.warning("query_user to %s received %s", uri, e.code)
except Exception as ex:
logger.warning("query_user to %s threw exception %s", uri, ex)
defer.returnValue(False)
@defer.inlineCallbacks
def query_alias(self, service, alias):
uri = service.url + ("/rooms/%s" % urllib.quote(alias))
response = None
try:
response = yield self.get_json(uri, {
"access_token": service.hs_token
})
if response is not None: # just an empty json object
defer.returnValue(True)
except CodeMessageException as e:
logger.warning("query_alias to %s received %s", uri, e.code)
if e.code == 404:
defer.returnValue(False)
return
except Exception as ex:
logger.warning("query_alias to %s threw exception %s", uri, ex)
defer.returnValue(False)
@defer.inlineCallbacks
def query_3pe(self, service, kind, protocol, fields):
if kind == ThirdPartyEntityKind.USER:
uri = "%s/thirdparty/user/%s" % (service.url, urllib.quote(protocol))
required_field = "userid"
elif kind == ThirdPartyEntityKind.LOCATION:
uri = "%s/thirdparty/location/%s" % (service.url, urllib.quote(protocol))
required_field = "alias"
else:
raise ValueError(
"Unrecognised 'kind' argument %r to query_3pe()", kind
)
try:
response = yield self.get_json(uri, fields)
if not isinstance(response, list):
logger.warning(
"query_3pe to %s returned an invalid response %r",
uri, response
)
defer.returnValue([])
ret = []
for r in response:
if _is_valid_3pe_result(r, field=required_field):
ret.append(r)
else:
logger.warning(
"query_3pe to %s returned an invalid result %r",
uri, r
)
defer.returnValue(ret)
except Exception as ex:
logger.warning("query_3pe to %s threw exception %s", uri, ex)
defer.returnValue([])
def get_3pe_protocol(self, service, protocol):
@defer.inlineCallbacks
def _get():
uri = "%s/thirdparty/protocol/%s" % (service.url, urllib.quote(protocol))
try:
defer.returnValue((yield self.get_json(uri, {})))
except Exception as ex:
logger.warning("query_3pe_protocol to %s threw exception %s",
uri, ex)
defer.returnValue({})
key = (service.id, protocol)
return self.protocol_meta_cache.get(key) or (
self.protocol_meta_cache.set(key, _get())
)
@defer.inlineCallbacks
def push_bulk(self, service, events, txn_id=None):
events = self._serialize(events)
if txn_id is None:
logger.warning("push_bulk: Missing txn ID sending events to %s",
service.url)
txn_id = str(0)
txn_id = str(txn_id)
uri = service.url + ("/transactions/%s" %
urllib.quote(txn_id))
try:
yield self.put_json(
uri=uri,
json_body={
"events": events
},
args={
"access_token": service.hs_token
})
defer.returnValue(True)
return
except CodeMessageException as e:
logger.warning("push_bulk to %s received %s", uri, e.code)
except Exception as ex:
logger.warning("push_bulk to %s threw exception %s", uri, ex)
defer.returnValue(False)
def _serialize(self, events):
time_now = self.clock.time_msec()
return [
serialize_event(e, time_now, as_client_event=True) for e in events
]
|
