-
Notifications
You must be signed in to change notification settings - Fork 266
/
transport_option.go
131 lines (118 loc) · 3.34 KB
/
transport_option.go
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
/*
* Copyright 2022 The Dragonfly Authors
*
* 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.
*/
package source
import (
"crypto/tls"
"fmt"
"net"
"net/http"
"net/url"
"os"
"time"
"gopkg.in/yaml.v3"
)
var ProxyEnv = "D7Y_SOURCE_PROXY"
type transportOption struct {
Proxy string `yaml:"proxy"`
DialTimeout time.Duration `yaml:"dialTimeout"`
KeepAlive time.Duration `yaml:"keepAlive"`
MaxIdleConns int `yaml:"maxIdleConns"`
IdleConnTimeout time.Duration `yaml:"idleConnTimeout"`
ResponseHeaderTimeout time.Duration `yaml:"responseHeaderTimeout"`
TLSHandshakeTimeout time.Duration `yaml:"tlsHandshakeTimeout"`
ExpectContinueTimeout time.Duration `yaml:"expectContinueTimeout"`
InsecureSkipVerify bool `yaml:"insecureSkipVerify"`
}
func UpdateTransportOption(transport *http.Transport, optionYaml []byte) error {
opt := &transportOption{}
err := yaml.Unmarshal(optionYaml, opt)
if err != nil {
return err
}
if len(opt.Proxy) > 0 {
proxy, err := url.Parse(opt.Proxy)
if err != nil {
fmt.Printf("proxy parse error: %s\n", err)
return err
}
transport.Proxy = http.ProxyURL(proxy)
}
if opt.IdleConnTimeout > 0 {
transport.IdleConnTimeout = opt.IdleConnTimeout
}
if opt.DialTimeout > 0 && opt.KeepAlive > 0 {
transport.DialContext = (&net.Dialer{
Timeout: opt.DialTimeout,
KeepAlive: opt.KeepAlive,
DualStack: true,
}).DialContext
}
if opt.MaxIdleConns > 0 {
transport.MaxIdleConns = opt.MaxIdleConns
}
if opt.ExpectContinueTimeout > 0 {
transport.ExpectContinueTimeout = opt.ExpectContinueTimeout
}
if opt.ResponseHeaderTimeout > 0 {
transport.ResponseHeaderTimeout = opt.ResponseHeaderTimeout
}
if opt.TLSHandshakeTimeout > 0 {
transport.TLSHandshakeTimeout = opt.TLSHandshakeTimeout
}
if opt.InsecureSkipVerify {
transport.TLSClientConfig.InsecureSkipVerify = opt.InsecureSkipVerify
}
return nil
}
func DefaultTransport() *http.Transport {
var (
proxy *url.URL
err error
)
if proxyEnv := os.Getenv(ProxyEnv); len(proxyEnv) > 0 {
proxy, err = url.Parse(proxyEnv)
if err != nil {
fmt.Printf("proxy parse error: %s\n", err)
}
}
transport := &http.Transport{
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
DualStack: true,
}).DialContext,
IdleConnTimeout: 90 * time.Second,
ResponseHeaderTimeout: 30 * time.Second,
ExpectContinueTimeout: 10 * time.Second,
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
}
if proxy != nil {
transport.Proxy = http.ProxyURL(proxy)
}
return transport
}
func ParseToHTTPClient(optionYaml []byte) (*http.Client, error) {
transport := DefaultTransport()
err := UpdateTransportOption(transport, optionYaml)
if err != nil {
return nil, err
}
return &http.Client{
Transport: transport,
}, nil
}