forked from ory/fosite
-
Notifications
You must be signed in to change notification settings - Fork 0
/
strategy_jwt.go
158 lines (130 loc) · 4.5 KB
/
strategy_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
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
package oauth2
import (
"strings"
"time"
"context"
jwtx "github.com/dgrijalva/jwt-go"
"github.com/ory/fosite"
"github.com/ory/fosite/token/jwt"
"github.com/pkg/errors"
)
// RS256JWTStrategy is a JWT RS256 strategy.
type RS256JWTStrategy struct {
*jwt.RS256JWTStrategy
Issuer string
}
func (h RS256JWTStrategy) signature(token string) string {
split := strings.Split(token, ".")
if len(split) != 3 {
return ""
}
return split[2]
}
func (h RS256JWTStrategy) AccessTokenSignature(token string) string {
return h.signature(token)
}
func (h RS256JWTStrategy) RefreshTokenSignature(token string) string {
return h.signature(token)
}
func (h RS256JWTStrategy) AuthorizeCodeSignature(token string) string {
return h.signature(token)
}
func (h *RS256JWTStrategy) ValidateJWT(tokenType fosite.TokenType, token string) (requester fosite.Requester, err error) {
t, err := h.validate(token)
if err != nil {
return nil, err
}
claims := jwt.JWTClaims{}
claims.FromMapClaims(t.Claims.(jwtx.MapClaims))
requester = &fosite.Request{
Client: &fosite.DefaultClient{},
RequestedAt: claims.IssuedAt,
Session: &JWTSession{
JWTClaims: &claims,
JWTHeader: &jwt.Headers{
Extra: make(map[string]interface{}),
},
ExpiresAt: map[fosite.TokenType]time.Time{
tokenType: claims.ExpiresAt,
},
Subject: claims.Subject,
},
Scopes: claims.Scope,
GrantedScopes: claims.Scope,
}
return
}
func (h *RS256JWTStrategy) GenerateAccessToken(_ context.Context, requester fosite.Requester) (token string, signature string, err error) {
return h.generate(fosite.AccessToken, requester)
}
func (h *RS256JWTStrategy) ValidateAccessToken(_ context.Context, _ fosite.Requester, token string) error {
_, err := h.validate(token)
return err
}
func (h *RS256JWTStrategy) GenerateRefreshToken(_ context.Context, requester fosite.Requester) (token string, signature string, err error) {
return h.generate(fosite.RefreshToken, requester)
}
func (h *RS256JWTStrategy) ValidateRefreshToken(_ context.Context, _ fosite.Requester, token string) error {
_, err := h.validate(token)
return err
}
func (h *RS256JWTStrategy) GenerateAuthorizeCode(_ context.Context, requester fosite.Requester) (token string, signature string, err error) {
return h.generate(fosite.AuthorizeCode, requester)
}
func (h *RS256JWTStrategy) ValidateAuthorizeCode(_ context.Context, requester fosite.Requester, token string) error {
_, err := h.validate(token)
return err
}
func (h *RS256JWTStrategy) validate(token string) (t *jwtx.Token, err error) {
t, err = h.RS256JWTStrategy.Decode(token)
if err == nil {
err = t.Claims.Valid()
}
if err != nil {
if e, ok := errors.Cause(err).(*jwtx.ValidationError); ok {
switch e.Errors {
case jwtx.ValidationErrorMalformed:
err = errors.Wrap(fosite.ErrInvalidTokenFormat, err.Error())
case jwtx.ValidationErrorUnverifiable:
err = errors.Wrap(fosite.ErrTokenSignatureMismatch, err.Error())
case jwtx.ValidationErrorSignatureInvalid:
err = errors.Wrap(fosite.ErrTokenSignatureMismatch, err.Error())
case jwtx.ValidationErrorAudience:
err = errors.Wrap(fosite.ErrTokenClaim, err.Error())
case jwtx.ValidationErrorExpired:
err = errors.Wrap(fosite.ErrTokenExpired, err.Error())
case jwtx.ValidationErrorIssuedAt:
err = errors.Wrap(fosite.ErrTokenClaim, err.Error())
case jwtx.ValidationErrorIssuer:
err = errors.Wrap(fosite.ErrTokenClaim, err.Error())
case jwtx.ValidationErrorNotValidYet:
err = errors.Wrap(fosite.ErrTokenClaim, err.Error())
case jwtx.ValidationErrorId:
err = errors.Wrap(fosite.ErrTokenClaim, err.Error())
case jwtx.ValidationErrorClaimsInvalid:
err = errors.Wrap(fosite.ErrTokenClaim, err.Error())
default:
err = errors.Wrap(fosite.ErrRequestUnauthorized, err.Error())
}
}
}
return
}
func (h *RS256JWTStrategy) generate(tokenType fosite.TokenType, requester fosite.Requester) (string, string, error) {
if jwtSession, ok := requester.GetSession().(JWTSessionContainer); !ok {
return "", "", errors.New("Session must be of type JWTSessionContainer")
} else if jwtSession.GetJWTClaims() == nil {
return "", "", errors.New("GetTokenClaims() must not be nil")
} else {
claims := jwtSession.GetJWTClaims()
claims.ExpiresAt = jwtSession.GetExpiresAt(tokenType)
if claims.IssuedAt.IsZero() {
claims.IssuedAt = time.Now()
}
if claims.Issuer == "" {
claims.Issuer = h.Issuer
}
claims.Scope = requester.GetGrantedScopes()
return h.RS256JWTStrategy.Generate(claims.ToMapClaims(), jwtSession.GetJWTHeader())
}
}