1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 |
- # -*- 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.internet.defer import CancelledError
- from twisted.python import failure
- from twisted.web.client import FileBodyProducer
- from synapse.api.errors import SynapseError
- class RequestTimedOutError(SynapseError):
- """Exception representing timeout of an outbound request"""
- def __init__(self):
- super(RequestTimedOutError, self).__init__(504, "Timed out")
- def cancelled_to_request_timed_out_error(value, timeout):
- """Turns CancelledErrors into RequestTimedOutErrors.
- For use with async.add_timeout_to_deferred
- """
- if isinstance(value, failure.Failure):
- value.trap(CancelledError)
- raise RequestTimedOutError()
- return value
- 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
|