forked from TrueCloudLab/restic
82 lines
2.5 KiB
Go
82 lines
2.5 KiB
Go
// +build go1.7 go1.8
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/*
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* MinIO Go Library for Amazon S3 Compatible Cloud Storage
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* Copyright 2017-2018 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package minio
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import (
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"crypto/tls"
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"crypto/x509"
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"net"
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"net/http"
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"time"
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"golang.org/x/net/http2"
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)
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// DefaultTransport - this default transport is similar to
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// http.DefaultTransport but with additional param DisableCompression
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// is set to true to avoid decompressing content with 'gzip' encoding.
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var DefaultTransport = func(secure bool) (http.RoundTripper, error) {
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tr := &http.Transport{
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Proxy: http.ProxyFromEnvironment,
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DialContext: (&net.Dialer{
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Timeout: 30 * time.Second,
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KeepAlive: 30 * time.Second,
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}).DialContext,
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MaxIdleConns: 1024,
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MaxIdleConnsPerHost: 1024,
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IdleConnTimeout: 90 * time.Second,
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TLSHandshakeTimeout: 10 * time.Second,
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ExpectContinueTimeout: 1 * time.Second,
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// Set this value so that the underlying transport round-tripper
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// doesn't try to auto decode the body of objects with
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// content-encoding set to `gzip`.
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//
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// Refer:
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// https://golang.org/src/net/http/transport.go?h=roundTrip#L1843
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DisableCompression: true,
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}
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if secure {
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rootCAs, _ := x509.SystemCertPool()
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if rootCAs == nil {
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// In some systems (like Windows) system cert pool is
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// not supported or no certificates are present on the
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// system - so we create a new cert pool.
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rootCAs = x509.NewCertPool()
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}
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// Keep TLS config.
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tlsConfig := &tls.Config{
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RootCAs: rootCAs,
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// Can't use SSLv3 because of POODLE and BEAST
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// Can't use TLSv1.0 because of POODLE and BEAST using CBC cipher
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// Can't use TLSv1.1 because of RC4 cipher usage
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MinVersion: tls.VersionTLS12,
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}
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tr.TLSClientConfig = tlsConfig
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// Because we create a custom TLSClientConfig, we have to opt-in to HTTP/2.
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// See https://github.com/golang/go/issues/14275
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if err := http2.ConfigureTransport(tr); err != nil {
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return nil, err
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}
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}
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return tr, nil
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}
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