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
|
# Copyright 2020 The Matrix.org Foundation C.I.C.
#
# 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.
"""Exception types which are exposed as part of the stable module API"""
import attr
from synapse.api.errors import (
Codes,
InvalidClientCredentialsError,
RedirectException,
SynapseError,
)
from synapse.config._base import ConfigError
from synapse.handlers.push_rules import InvalidRuleException
from synapse.storage.push_rule import RuleNotFoundException
@attr.s(auto_attribs=True)
class FederationHttpResponseException(Exception):
"""
Raised when an HTTP request over federation returns a status code > 300 (and not 429).
"""
remote_server_name: str
# The HTTP status code of the response.
status_code: int
# A human-readable explanation for the error.
msg: str
# The non-parsed HTTP response body.
response_body: bytes
@attr.s(auto_attribs=True)
class FederationHttpNotRetryingDestinationException(Exception):
"""
Raised when the local homeserver refuses to send traffic to a remote homeserver that
it believes is experiencing an outage.
"""
remote_server_name: str
@attr.s(auto_attribs=True)
class FederationHttpDeniedException(Exception):
"""
Raised when the local homeserver refuses to send federation traffic to a remote
homeserver. This is due to the remote homeserver not being on the configured
federation whitelist.
"""
remote_server_name: str
@attr.s(auto_attribs=True)
class FederationHttpRequestSendFailedException(Exception):
"""
Raised when there are problems connecting to the remote homeserver due to e.g.
DNS failures, connection timeouts, etc.
"""
remote_server_name: str
# Whether the request can be retried with a chance of success. This will be True
# if the failure occurred due to e.g. timeouts, a disruption in the connection etc.
# Will be false in the case of e.g. a malformed response from the remote homeserver.
can_retry: bool
__all__ = [
"Codes",
"InvalidClientCredentialsError",
"RedirectException",
"SynapseError",
"ConfigError",
"InvalidRuleException",
"RuleNotFoundException",
"FederationHttpResponseException",
"FederationHttpNotRetryingDestinationException",
"FederationHttpDeniedException",
"FederationHttpRequestSendFailedException",
]
|
