-
Notifications
You must be signed in to change notification settings - Fork 7
/
multipart_getter.go
71 lines (58 loc) · 1.32 KB
/
multipart_getter.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
package http_json
import (
"fmt"
"io/ioutil"
"net/http"
"strings"
)
const (
multipartMaxMemorySize = 1024 * 1024 * 512
)
type MultipartGetter struct {
ParametersGetter
}
func NewMultipartGetter(req *http.Request) (*MultipartGetter, error) {
if req == nil {
return nil, fmt.Errorf("request is empty")
}
return &MultipartGetter{
ParametersGetter: ParametersGetter{
Req: req,
},
}, nil
}
// Add upload files to Params like a string
// params["{inputName}"] = string(file)
// params["filename_{inputName}"] = string(filename)
//
// Example:
// type MyData struct {
// File string `key:"my_file"`
// Filename string `key:"filename_my_file"`
// }
func (g *MultipartGetter) Parse() error {
if err := g.Req.ParseMultipartForm(multipartMaxMemorySize); err != nil {
return fmt.Errorf("ParseMultipartForm %v", err)
}
if err := g.parseForm(); err != nil {
return fmt.Errorf("parseForm %v", err)
}
for key, files := range g.Req.MultipartForm.File {
if len(files) == 0 {
continue
}
file := files[0]
f, err := file.Open()
if err != nil {
return fmt.Errorf("file open %v", err)
}
b, err := ioutil.ReadAll(f)
if err != nil {
return fmt.Errorf("file readall %v", err)
}
key = strings.ToLower(key)
g.values.Set(key, string(b))
g.values.Set("filename_"+key, file.Filename)
}
return nil
}