-
Notifications
You must be signed in to change notification settings - Fork 0
/
token_generate.go
192 lines (171 loc) · 4.79 KB
/
token_generate.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
package jwt
import (
"errors"
"fmt"
"github.com/dgrijalva/jwt-go"
"github.com/twinj/uuid"
"time"
)
const (
kAccessTokenExpire = time.Minute * 15
kRefreshTokenExpire = time.Hour * 24 * 30
)
type TokenDetails struct {
AccessToken string
RefreshToken string
AccessUuid string
RefreshUuid string
AtExpires int64
RtExpires int64
}
type ClientInfo struct {
UserId int64
DeviceId string
ClientType string
Domain string
AppVersion int32
}
type TokenGenerate struct {
accessSecret string
refreshSecret string
}
// NewTokenGenerate create TokenGenerate
// example:
//
func NewTokenGenerate(accessSecret, refreshSecret string) *TokenGenerate {
return &TokenGenerate{accessSecret: accessSecret, refreshSecret: refreshSecret}
}
func (t *TokenGenerate) CreateToken(info ClientInfo) (*TokenDetails, error) {
td := &TokenDetails{}
// access 过期快
td.AtExpires = time.Now().Add(kAccessTokenExpire).Unix()
td.AccessUuid = uuid.NewV4().String()
// refresh token 过期时间长,用来获取新的access token
td.RtExpires = time.Now().Add(kRefreshTokenExpire).Unix()
td.RefreshUuid = uuid.NewV4().String()
var err error
//Creating Access Token
atClaims := jwt.MapClaims{}
t.setClientInfo(atClaims, info)
atClaims["access_uuid"] = td.AccessUuid
atClaims["at_expires"] = td.AtExpires
at := jwt.NewWithClaims(jwt.SigningMethodHS256, atClaims)
td.AccessToken, err = at.SignedString([]byte(t.accessSecret))
if err != nil {
return nil, err
}
//Creating Refresh Token
rtClaims := jwt.MapClaims{}
t.setClientInfo(rtClaims, info)
rtClaims["refresh_uuid"] = td.RefreshUuid
rtClaims["rt_expires"] = td.RtExpires
rt := jwt.NewWithClaims(jwt.SigningMethodHS256, rtClaims)
td.RefreshToken, err = rt.SignedString([]byte(t.refreshSecret))
if err != nil {
return nil, err
}
return td, nil
}
func (t *TokenGenerate) TokenIsValid(tokenStr string, isRefreshToken bool) error {
_, err := t.GetClaimsFromJWTToken(tokenStr, isRefreshToken)
if err != nil {
return err
}
return nil
}
func (t *TokenGenerate) ParseToken(tokenStr string, isRefreshToken bool) (*ClientInfo, *TokenDetails, error) {
claims, err := t.GetClaimsFromJWTToken(tokenStr, isRefreshToken)
if err != nil {
return nil, nil, err
}
clientInfo, err := t.getClientInfo(claims)
if err != nil {
return nil, nil, err
}
tokens := &TokenDetails{}
if isRefreshToken {
tokens.RefreshToken = tokenStr
tokens.AccessUuid = claims["refresh_uuid"].(string)
tokens.AtExpires = int64(claims["rt_expires"].(float64))
} else {
tokens.RefreshToken = tokenStr
tokens.AccessUuid = claims["access_uuid"].(string)
tokens.AtExpires = int64(claims["at_expires"].(float64))
}
return clientInfo, tokens, nil
}
func (t *TokenGenerate) setClientInfo(claims jwt.MapClaims, info ClientInfo) {
claims["user_id"] = info.UserId
claims["device_id"] = info.DeviceId
claims["client_type"] = info.ClientType
claims["domain"] = info.Domain
claims["app_version"] = info.AppVersion
}
func (t *TokenGenerate) getClientInfo(claims jwt.MapClaims) (*ClientInfo, error) {
info := &ClientInfo{}
userId, ok := claims["user_id"].(float64)
if ok {
info.UserId = int64(userId)
}
if deviceId, ok := claims["device_id"].(string); ok {
info.DeviceId = deviceId
}
if cType, ok := claims["client_type"].(string); ok {
info.ClientType = cType
}
if domain, ok := claims["domain"].(string); ok {
info.Domain = domain
}
if version, ok := claims["app_version"].(float64); ok {
info.AppVersion = int32(version)
}
return info, nil
}
func (t *TokenGenerate) GetClaimsFromJWTToken(tokenStr string, isRefreshToken bool) (jwt.MapClaims, error) {
var (
expires = float64(0)
ok = false
claims jwt.MapClaims
)
// check jwt secret
token, err := jwt.Parse(tokenStr, func(token *jwt.Token) (interface{}, error) {
//Make sure that the token method conform to "SigningMethodHMAC"
if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
return nil, fmt.Errorf("unexpected signing method: %v", token.Header["alg"])
}
if isRefreshToken {
return []byte(t.refreshSecret), nil
}
return []byte(t.accessSecret), nil
})
if err != nil {
return nil, err
}
// check token valid
if _, ok := token.Claims.(jwt.Claims); !ok {
return nil, err
}
if !token.Valid {
return nil, errors.New("invalid token")
}
// check token data
if claims, ok := token.Claims.(jwt.MapClaims); ok {
return claims, nil
}
// check token is expires
if isRefreshToken {
expires, ok = claims["rt_expires"].(float64)
} else {
expires, ok = claims["at_expires"].(float64)
}
if !ok {
return nil, errors.New("token miss expires filed")
}
if time.Unix(int64(expires), 0).Before(time.Now()) {
if isRefreshToken {
return nil, errors.New("expired refresh token")
}
return nil, errors.New("expired access token")
}
return nil, errors.New("parse jwt.MapClaims error")
}