0a00b7ff14
- Update black version to the latest
- Run black auto formatting over the codebase
- Run autoformatting according to [`docs/code_style.md
`](80d6dc9783/docs/code_style.md)
- Update `code_style.md` docs around installing black to use the correct version
67 lines
2.2 KiB
Python
67 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014-2016 OpenMarket Ltd
|
|
# 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 re
|
|
|
|
from twisted.internet import task
|
|
from twisted.web.client import FileBodyProducer
|
|
from twisted.web.iweb import IRequest
|
|
|
|
from synapse.api.errors import SynapseError
|
|
|
|
|
|
class RequestTimedOutError(SynapseError):
|
|
"""Exception representing timeout of an outbound request"""
|
|
|
|
def __init__(self, msg):
|
|
super().__init__(504, msg)
|
|
|
|
|
|
ACCESS_TOKEN_RE = re.compile(r"(\?.*access(_|%5[Ff])token=)[^&]*(.*)$")
|
|
CLIENT_SECRET_RE = re.compile(r"(\?.*client(_|%5[Ff])secret=)[^&]*(.*)$")
|
|
|
|
|
|
def redact_uri(uri):
|
|
"""Strips sensitive information from the uri replaces with <redacted>"""
|
|
uri = ACCESS_TOKEN_RE.sub(r"\1<redacted>\3", uri)
|
|
return CLIENT_SECRET_RE.sub(r"\1<redacted>\3", uri)
|
|
|
|
|
|
class QuieterFileBodyProducer(FileBodyProducer):
|
|
"""Wrapper for FileBodyProducer that avoids CRITICAL errors when the connection drops.
|
|
|
|
Workaround for https://github.com/matrix-org/synapse/issues/4003 /
|
|
https://twistedmatrix.com/trac/ticket/6528
|
|
"""
|
|
|
|
def stopProducing(self):
|
|
try:
|
|
FileBodyProducer.stopProducing(self)
|
|
except task.TaskStopped:
|
|
pass
|
|
|
|
|
|
def get_request_user_agent(request: IRequest, default: str = "") -> str:
|
|
"""Return the last User-Agent header, or the given default."""
|
|
# There could be raw utf-8 bytes in the User-Agent header.
|
|
|
|
# N.B. if you don't do this, the logger explodes cryptically
|
|
# with maximum recursion trying to log errors about
|
|
# the charset problem.
|
|
# c.f. https://github.com/matrix-org/synapse/issues/3471
|
|
|
|
h = request.getHeader(b"User-Agent")
|
|
return h.decode("ascii", "replace") if h else default
|