/
parse.go
95 lines (73 loc) · 1.98 KB
/
parse.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
// Package internal contains support & helpers for go-guardian packages.
package internal
import (
"bytes"
"encoding/json"
"io"
"io/ioutil"
"net/http"
"strings"
)
//ParseHeader extract specific header value or return provided error.
func ParseHeader(header string, r *http.Request, err error) (string, error) {
value := r.Header.Get(header)
value = strings.TrimSpace(value)
if value == "" {
return "", err
}
return value, nil
}
//ParseAuthorizationHeader extract Authorization header value or return provided error.
func ParseAuthorizationHeader(key string, r *http.Request, err error) (string, error) {
header := r.Header.Get("Authorization")
header = strings.TrimSpace(header)
if header == "" {
return "", err
}
value := strings.Split(header, " ")
if len(value) < 2 || value[0] != key {
return "", err
}
if len(value[1]) == 0 {
return "", err
}
return value[1], nil
}
//ParseQuery extract key value form HTTP query string or return provided error.
func ParseQuery(key string, r *http.Request, err error) (string, error) {
query := r.URL.Query()
value := query.Get(key)
value = strings.TrimSpace(value)
if value == "" {
return "", err
}
return value, nil
}
//ParseCookie extract key value form form HTTP Cookie or return provided error.
func ParseCookie(key string, r *http.Request, e error) (string, error) {
cookie, err := r.Cookie(key)
if err != nil {
return "", err
}
value := strings.TrimSpace(cookie.Value)
if value == "" {
return "", e
}
return value, nil
}
// ParseJSONBody extract key value form HTTP request json body or return provided error.
func ParseJSONBody(key string, r *http.Request, err error) (string, error) {
var data map[string]string
var buf bytes.Buffer
reader := io.TeeReader(r.Body, &buf)
defer func() { r.Body = ioutil.NopCloser(&buf) }()
if err := json.NewDecoder(reader).Decode(&data); err != nil {
return "", err
}
pin := data[key]
pin = strings.TrimSpace(pin)
if pin == "" {
return "", err
}
return pin, nil
}