/
httpClient.go
312 lines (261 loc) · 7.02 KB
/
httpClient.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
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
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
package libs
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"mime"
"mime/multipart"
"net/http"
"net/textproto"
"net/url"
"path/filepath"
"regexp"
"strings"
"time"
)
var reg, _ = regexp.Compile("[^a-zA-Z0-9.-_]+")
// MakeURL encode to full url request
func MakeURL(scheme, host, path string, args url.Values) string {
u := url.URL{
Scheme: scheme,
Host: host,
Path: path,
}
if args != nil {
u.RawQuery = args.Encode()
}
return u.String()
}
// HTTPClient wrapper for http client
type HTTPClient struct {
Client *http.Client
}
// NewHTTPClient new http client wrapper
func NewHTTPClient(timeout time.Duration) *HTTPClient {
return &HTTPClient{Client: &http.Client{
Timeout: timeout,
}}
}
// // PostBytes post raw bytes
// func (c *HTTPClient) PostBytes(url string, body []byte) (respBody []byte, statusCode int, err error) {
// defer func() {
// if e := recover(); e != nil {
// err = fmt.Errorf("%v", e)
// }
// }()
// r, err := c.Client.Post(url, "application/octet-stream", bytes.NewReader(body))
// if err != nil {
// err = fmt.Errorf("Post to %s: %v", url, err)
// return
// }
// defer r.Body.Close()
// statusCode = r.StatusCode
// respBody, err = ioutil.ReadAll(r.Body)
// return
// }
// PostForm do post with post form values
func (c *HTTPClient) PostForm(_url string, values url.Values) (respBody []byte, statusCode int, err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
if values == nil {
values = make(url.Values)
}
r, err := c.Client.PostForm(_url, values)
if err != nil {
err = fmt.Errorf("Post to %s: %v", _url, err)
return
}
defer r.Body.Close()
statusCode = r.StatusCode
respBody, err = ioutil.ReadAll(r.Body)
return
}
// Get make get request
func (c *HTTPClient) Get(scheme, host, path string, values url.Values) (respBody []byte, statusCode int, err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
if values == nil {
values = make(url.Values)
}
return c.GetWithURL(MakeURL(scheme, host, path, values))
}
// GetWithHeaders do get with customer headers
func (c *HTTPClient) GetWithHeaders(fullURL string, headers map[string]string) (respBody []byte, statusCode int, err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
req, err := http.NewRequest("GET", fullURL, nil)
if err != nil {
err = fmt.Errorf("Get %s: %v", fullURL, err)
return
}
if headers != nil {
for k, v := range headers {
req.Header.Set(k, v)
}
}
r, e := c.Client.Do(req)
if e != nil {
err = fmt.Errorf("Delete %s: %v", fullURL, e)
return
}
defer r.Body.Close()
statusCode = r.StatusCode
body, e := ioutil.ReadAll(r.Body)
if e != nil {
err = fmt.Errorf("Delete %s: %v", fullURL, e)
return
}
respBody = body
return
}
// GetWithURL do http get with full url/uri
func (c *HTTPClient) GetWithURL(fullURL string) (respBody []byte, statusCode int, err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
r, err := c.Client.Get(fullURL)
if err != nil {
err = fmt.Errorf("Get from %s: %v", fullURL, err)
return
}
defer r.Body.Close()
statusCode = r.StatusCode
if r.StatusCode != http.StatusOK {
err = fmt.Errorf("%s: %s", fullURL, r.Status)
return
}
respBody, err = ioutil.ReadAll(r.Body)
return
}
// Delete make delete method request
func (c *HTTPClient) Delete(url string) (statusCode int, err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
req, err := http.NewRequest("DELETE", url, nil)
if err != nil {
err = fmt.Errorf("Delete %s: %v", url, err)
return
}
r, e := c.Client.Do(req)
if e != nil {
err = fmt.Errorf("Delete %s: %v", url, e)
return
}
defer r.Body.Close()
body, e := ioutil.ReadAll(r.Body)
if e != nil {
err = fmt.Errorf("Delete %s: %v", url, e)
return 0, err
}
switch r.StatusCode {
case http.StatusNotFound, http.StatusAccepted, http.StatusOK:
err = nil
return
}
m := make(map[string]interface{})
if e := json.Unmarshal(body, &m); e == nil {
if s, ok := m["error"].(string); ok {
err = fmt.Errorf("Delete %s: %v", url, s)
return
}
}
err = fmt.Errorf("Delete %s. Got response but can not parse.", url)
return
}
// // DownloadFromURL download file from url.
// // Note: rc must be closed after finishing as other ReadCloser.
// func (c *HTTPClient) DownloadFromURL(fileURL string) (filename string, rc io.ReadCloser, err error) {
// defer func() {
// if e := recover(); e != nil {
// err = fmt.Errorf("%v", e)
// }
// }()
// r, err := c.Client.Get(fileURL)
// if err != nil {
// return "", nil, err
// }
// if r.StatusCode != http.StatusOK {
// r.Body.Close()
// err = fmt.Errorf("Download %s: %s", fileURL, r.Status)
// return
// }
// contentDisposition := r.Header["Content-Disposition"]
// if len(contentDisposition) > 0 {
// if strings.HasPrefix(contentDisposition[0], "filename=") {
// filename = contentDisposition[0][len("filename="):]
// filename = strings.Trim(filename, "\"")
// }
// }
// rc = r.Body
// return
// }
// // Do any request
// func (c *HTTPClient) Do(req *http.Request) (resp *http.Response, err error) {
// defer func() {
// if e := recover(); e != nil {
// err = fmt.Errorf("%v", e)
// }
// }()
// return c.Client.Do(req)
// }
// Upload file content
func (c *HTTPClient) Upload(uploadURL string, filename string, reader io.Reader, isGzipped bool, mtype string) (respBody []byte, statusCode int, err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
return c.uploadContent(uploadURL, func(w io.Writer) (err error) {
_, err = io.Copy(w, reader)
return
}, filename, isGzipped, mtype)
}
func (c *HTTPClient) uploadContent(uploadURL string, fillBuffer func(w io.Writer) error, filename string, isGzipped bool, mtype string) (respBody []byte, statusCode int, err error) {
body := &bytes.Buffer{}
bodyWriter := multipart.NewWriter(body)
h := make(textproto.MIMEHeader)
h.Set("Content-Disposition", fmt.Sprintf(`form-data; name="file"; filename="%s"`, reg.ReplaceAllString(filename, "")))
if mtype == "" {
mtype = mime.TypeByExtension(strings.ToLower(filepath.Ext(filename)))
}
if mtype != "" {
h.Set("Content-Type", mtype)
}
if isGzipped {
h.Set("Content-Encoding", "gzip")
}
fileWriter, err := bodyWriter.CreatePart(h)
if err != nil {
return
} else if err = fillBuffer(fileWriter); err != nil {
return
}
contentType := bodyWriter.FormDataContentType()
if err = bodyWriter.Close(); err != nil {
return
}
r, err := c.Client.Post(uploadURL, contentType, body)
if err != nil {
return
}
defer r.Body.Close()
statusCode = r.StatusCode
respBody, err = ioutil.ReadAll(r.Body)
return
}