This repository has been archived by the owner on Aug 26, 2022. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 0
/
jwt.go
129 lines (111 loc) · 3.2 KB
/
jwt.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
package jwt
import (
"crypto/x509"
"encoding/pem"
"github.com/dgrijalva/jwt-go"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/viper"
"strings"
)
var defaultIssueVerifier *IssueVerifier
type IssueVerifier struct {
config Config
signingMethod jwt.SigningMethod
secret interface{}
publicKey interface{}
privateKey interface{}
}
func Default() *IssueVerifier {
if defaultIssueVerifier == nil {
err := viper.UnmarshalKey("jwt", &defaultConfig)
if err != nil {
logrus.Panic(err)
}
defaultIssueVerifier, err = New(defaultConfig)
if err != nil {
logrus.Panic(err)
}
}
return defaultIssueVerifier
}
func New(config Config) (*IssueVerifier, error) {
issueVerifier := &IssueVerifier{
config: config,
}
if err := issueVerifier.init(); err != nil {
return nil, err
}
return issueVerifier, nil
}
func (i *IssueVerifier) Issue(claims jwt.Claims) (string, error) {
token := jwt.NewWithClaims(i.signingMethod, claims)
return token.SignedString(i.signatureKey())
}
func (i *IssueVerifier) Verify(tokenString string, claims jwt.Claims) (*jwt.Token, error) {
return jwt.ParseWithClaims(tokenString, claims, i.verificationKey)
}
func (i *IssueVerifier) init() error {
signingMethod := jwt.GetSigningMethod(strings.ToUpper(i.config.Algorithm))
if signingMethod == nil {
logrus.Panic(errors.Errorf("不支持的签名算法: %s", i.config.Algorithm))
}
i.signingMethod = signingMethod
switch i.config.Algorithm {
case "HS256", "HS384", "HS512":
i.secret = []byte(i.config.Secret)
case "RS256", "RS384", "RS512":
pubBlock, _ := pem.Decode([]byte(i.config.PublicKey))
publicKey, err := x509.ParsePKCS1PublicKey(pubBlock.Bytes)
if err != nil {
return err
}
i.publicKey = publicKey
priBlock, _ := pem.Decode([]byte(i.config.PrivateKey))
privateKey, err := x509.ParsePKCS1PrivateKey(priBlock.Bytes)
if err != nil {
return err
}
i.privateKey = privateKey
case "ES256", "ES384", "ES512":
pubBlock, _ := pem.Decode([]byte(i.config.PublicKey))
publicKey, err := x509.ParsePKIXPublicKey(pubBlock.Bytes)
if err != nil {
return err
}
i.publicKey = publicKey
priBlock, _ := pem.Decode([]byte(i.config.PrivateKey))
privateKey, err := x509.ParseECPrivateKey(priBlock.Bytes)
if err != nil {
return err
}
i.privateKey = privateKey
default:
errors.Errorf("不支持的签名算法: %s", i.signingMethod.Alg())
}
return nil
}
func (i *IssueVerifier) signatureKey() interface{} {
var signatureKey interface{}
switch i.signingMethod.Alg() {
case "HS256", "HS384", "HS512":
signatureKey = i.secret
case "RS256", "RS384", "RS512", "ES256", "ES384", "ES512":
signatureKey = i.privateKey
default:
logrus.Panic(errors.Errorf("不支持的签名算法: %s", i.signingMethod.Alg()))
}
return signatureKey
}
func (i *IssueVerifier) verificationKey(token *jwt.Token) (interface{}, error) {
var verificationKey interface{}
switch i.signingMethod.Alg() {
case "HS256", "HS384", "HS512":
verificationKey = i.secret
case "RS256", "RS384", "RS512", "ES256", "ES384", "ES512":
verificationKey = i.publicKey
default:
return nil, errors.Errorf("不支持的签名算法: %s", i.signingMethod.Alg())
}
return verificationKey, nil
}