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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
package client
import (
"crypto/tls"
"crypto/x509"
"fmt"
"io"
"net/http"
"net/url"
"os"
"strings"
"sync"
util "github.com/seaweedfs/seaweedfs/weed/util"
"github.com/spf13/viper"
)
var (
loadSecurityConfigOnce sync.Once
)
type HTTPClient struct {
Client *http.Client
Transport *http.Transport
expectHttpsScheme bool
}
func (httpClient *HTTPClient) Do(req *http.Request) (*http.Response, error) {
req.URL.Scheme = httpClient.GetHttpScheme()
return httpClient.Client.Do(req)
}
func (httpClient *HTTPClient) Get(url string) (resp *http.Response, err error) {
url, err = httpClient.NormalizeHttpScheme(url)
if err != nil {
return nil, err
}
return httpClient.Client.Get(url)
}
func (httpClient *HTTPClient) Post(url, contentType string, body io.Reader) (resp *http.Response, err error) {
url, err = httpClient.NormalizeHttpScheme(url)
if err != nil {
return nil, err
}
return httpClient.Client.Post(url, contentType, body)
}
func (httpClient *HTTPClient) PostForm(url string, data url.Values) (resp *http.Response, err error) {
url, err = httpClient.NormalizeHttpScheme(url)
if err != nil {
return nil, err
}
return httpClient.Client.PostForm(url, data)
}
func (httpClient *HTTPClient) Head(url string) (resp *http.Response, err error) {
url, err = httpClient.NormalizeHttpScheme(url)
if err != nil {
return nil, err
}
return httpClient.Client.Head(url)
}
func (httpClient *HTTPClient) CloseIdleConnections() {
httpClient.Client.CloseIdleConnections()
}
func (httpClient *HTTPClient) GetClientTransport() *http.Transport {
return httpClient.Transport
}
func (httpClient *HTTPClient) GetHttpScheme() string {
if httpClient.expectHttpsScheme {
return "https"
}
return "http"
}
func (httpClient *HTTPClient) NormalizeHttpScheme(rawURL string) (string, error) {
expectedScheme := httpClient.GetHttpScheme()
if !(strings.HasPrefix(rawURL, "http://") || strings.HasPrefix(rawURL, "https://")) {
return expectedScheme + "://" + rawURL, nil
}
parsedURL, err := url.Parse(rawURL)
if err != nil {
return "", err
}
if expectedScheme != parsedURL.Scheme {
parsedURL.Scheme = expectedScheme
}
return parsedURL.String(), nil
}
func NewHttpClient(clientName ClientName, opts ...HttpClientOpt) (*HTTPClient, error) {
httpClient := HTTPClient{}
httpClient.expectHttpsScheme = checkIsHttpsClientEnabled(clientName)
var tlsConfig *tls.Config = nil
if httpClient.expectHttpsScheme {
clientCertPair, err := getClientCertPair(clientName)
if err != nil {
return nil, err
}
clientCaCert, clientCaCertName, err := getClientCaCert(clientName)
if err != nil {
return nil, err
}
if clientCertPair != nil || len(clientCaCert) != 0 {
caCertPool, err := createHTTPClientCertPool(clientCaCert, clientCaCertName)
if err != nil {
return nil, err
}
tlsConfig = &tls.Config{
Certificates: []tls.Certificate{},
RootCAs: caCertPool,
InsecureSkipVerify: false,
NextProtos: []string{"http/1.1"}, // Disable HTTP/2 for parallel connections
}
if clientCertPair != nil {
tlsConfig.Certificates = append(tlsConfig.Certificates, *clientCertPair)
}
}
}
httpClient.Transport = &http.Transport{
MaxIdleConns: 1024,
MaxIdleConnsPerHost: 1024,
MaxConnsPerHost: 0, // 0 means no limit, allows parallel connections
ForceAttemptHTTP2: false,
TLSClientConfig: tlsConfig,
}
httpClient.Client = &http.Client{
Transport: httpClient.Transport,
}
for _, opt := range opts {
opt(&httpClient)
}
return &httpClient, nil
}
func getStringOptionFromSecurityConfiguration(clientName ClientName, stringOptionName string) string {
util.LoadSecurityConfiguration()
return viper.GetString(fmt.Sprintf("https.%s.%s", clientName.LowerCaseString(), stringOptionName))
}
func getBoolOptionFromSecurityConfiguration(clientName ClientName, boolOptionName string) bool {
util.LoadSecurityConfiguration()
return viper.GetBool(fmt.Sprintf("https.%s.%s", clientName.LowerCaseString(), boolOptionName))
}
func checkIsHttpsClientEnabled(clientName ClientName) bool {
return getBoolOptionFromSecurityConfiguration(clientName, "enabled")
}
func getFileContentFromSecurityConfiguration(clientName ClientName, fileType string) ([]byte, string, error) {
if fileName := getStringOptionFromSecurityConfiguration(clientName, fileType); fileName != "" {
fileContent, err := os.ReadFile(fileName)
if err != nil {
return nil, fileName, err
}
return fileContent, fileName, err
}
return nil, "", nil
}
func getClientCertPair(clientName ClientName) (*tls.Certificate, error) {
certFileName := getStringOptionFromSecurityConfiguration(clientName, "cert")
keyFileName := getStringOptionFromSecurityConfiguration(clientName, "key")
if certFileName == "" && keyFileName == "" {
return nil, nil
}
if certFileName != "" && keyFileName != "" {
clientCert, err := tls.LoadX509KeyPair(certFileName, keyFileName)
if err != nil {
return nil, fmt.Errorf("error loading client certificate and key: %s", err)
}
return &clientCert, nil
}
return nil, fmt.Errorf("error loading key pair: key `%s` and certificate `%s`", keyFileName, certFileName)
}
func getClientCaCert(clientName ClientName) ([]byte, string, error) {
return getFileContentFromSecurityConfiguration(clientName, "ca")
}
func createHTTPClientCertPool(certContent []byte, fileName string) (*x509.CertPool, error) {
certPool := x509.NewCertPool()
if len(certContent) == 0 {
return certPool, nil
}
ok := certPool.AppendCertsFromPEM(certContent)
if !ok {
return nil, fmt.Errorf("error processing certificate in %s", fileName)
}
return certPool, nil
}
|
