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
|
package security
import (
"net/http"
"strings"
"time"
"github.com/chrislusf/weed-fs/go/glog"
jwt "github.com/dgrijalva/jwt-go"
)
type EncodedJwt string
type Secret string
func GenJwt(secret Secret, fileId string) EncodedJwt {
if secret == "" {
return ""
}
t := jwt.New(jwt.GetSigningMethod("HS256"))
t.Claims["exp"] = time.Now().Unix() + 10
t.Claims["sub"] = fileId
encoded, e := t.SignedString(secret)
if e != nil {
glog.V(0).Infof("Failed to sign claims: %v", t.Claims)
return ""
}
return EncodedJwt(encoded)
}
func GetJwt(r *http.Request) EncodedJwt {
// Get token from query params
tokenStr := r.URL.Query().Get("jwt")
// Get token from authorization header
if tokenStr == "" {
bearer := r.Header.Get("Authorization")
if len(bearer) > 7 && strings.ToUpper(bearer[0:6]) == "BEARER" {
tokenStr = bearer[7:]
}
}
// Get token from cookie
if tokenStr == "" {
cookie, err := r.Cookie("jwt")
if err == nil {
tokenStr = cookie.Value
}
}
return EncodedJwt(tokenStr)
}
func EncodeJwt(secret Secret, claims map[string]interface{}) (EncodedJwt, error) {
if secret == "" {
return "", nil
}
t := jwt.New(jwt.GetSigningMethod("HS256"))
t.Claims = claims
encoded, e := t.SignedString(secret)
return EncodedJwt(encoded), e
}
func DecodeJwt(secret Secret, tokenString EncodedJwt) (token *jwt.Token, err error) {
// check exp, nbf
return jwt.Parse(string(tokenString), func(token *jwt.Token) (interface{}, error) {
return secret, nil
})
}
|
