-
Notifications
You must be signed in to change notification settings - Fork 63
/
refreshtoken.go
150 lines (122 loc) · 5.14 KB
/
refreshtoken.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
// Copyright 2020-2024 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package refreshtoken
import (
"context"
"fmt"
"time"
"github.com/ory/fosite"
"github.com/ory/fosite/handler/oauth2"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
corev1client "k8s.io/client-go/kubernetes/typed/core/v1"
"go.pinniped.dev/internal/constable"
"go.pinniped.dev/internal/crud"
"go.pinniped.dev/internal/federationdomain/clientregistry"
"go.pinniped.dev/internal/federationdomain/timeouts"
"go.pinniped.dev/internal/fositestorage"
"go.pinniped.dev/internal/psession"
)
const (
TypeLabelValue = "refresh-token"
ErrInvalidRefreshTokenRequestVersion = constable.Error("refresh token request data has wrong version")
ErrInvalidRefreshTokenRequestData = constable.Error("refresh token request data must be present")
// Version 1 was the initial release of storage.
// Version 2 is when we switched to storing psession.PinnipedSession inside the fosite request.
// Version 3 is when we added the Username field to the psession.CustomSessionData.
// Version 4 is when fosite added json tags to their openid.DefaultSession struct.
// Version 5 is when we added the UpstreamUsername and UpstreamGroups fields to psession.CustomSessionData.
// Version 6 is when we upgraded fosite in Dec 2023.
// Version 7 is when OIDCClients were given configurable ID token lifetimes.
refreshTokenStorageVersion = "7"
)
type RevocationStorage interface {
oauth2.RefreshTokenStorage
RevokeRefreshToken(ctx context.Context, requestID string) error
RevokeRefreshTokenMaybeGracePeriod(ctx context.Context, requestID string, signature string) error
}
var _ RevocationStorage = &refreshTokenStorage{}
type refreshTokenStorage struct {
storage crud.Storage
lifetime timeouts.StorageLifetime
}
type Session struct {
Request *fosite.Request `json:"request"`
Version string `json:"version"`
}
func New(secrets corev1client.SecretInterface, clock func() time.Time, sessionStorageLifetime timeouts.StorageLifetime) RevocationStorage {
return &refreshTokenStorage{storage: crud.New(TypeLabelValue, secrets, clock), lifetime: sessionStorageLifetime}
}
// ReadFromSecret reads the contents of a Secret as a Session.
func ReadFromSecret(secret *corev1.Secret) (*Session, error) {
session := newValidEmptyRefreshTokenSession()
err := crud.FromSecret(TypeLabelValue, secret, session)
if err != nil {
return nil, err
}
if session.Version != refreshTokenStorageVersion {
return nil, fmt.Errorf("%w: refresh token session has version %s instead of %s",
ErrInvalidRefreshTokenRequestVersion, session.Version, refreshTokenStorageVersion)
}
if session.Request.ID == "" {
return nil, fmt.Errorf("malformed refresh token session: %w", ErrInvalidRefreshTokenRequestData)
}
return session, nil
}
func (a *refreshTokenStorage) RevokeRefreshToken(ctx context.Context, requestID string) error {
return a.storage.DeleteByLabel(ctx, fositestorage.StorageRequestIDLabelName, requestID)
}
func (a *refreshTokenStorage) RevokeRefreshTokenMaybeGracePeriod(ctx context.Context, requestID string, _signature string) error {
// We don't support a grace period, so always call the regular RevokeRefreshToken().
return a.RevokeRefreshToken(ctx, requestID)
}
func (a *refreshTokenStorage) CreateRefreshTokenSession(ctx context.Context, signature string, requester fosite.Requester) error {
request, err := fositestorage.ValidateAndExtractAuthorizeRequest(requester)
if err != nil {
return err
}
_, err = a.storage.Create(ctx,
signature,
&Session{Request: request, Version: refreshTokenStorageVersion},
map[string]string{fositestorage.StorageRequestIDLabelName: requester.GetID()},
nil,
a.lifetime(requester),
)
return err
}
func (a *refreshTokenStorage) GetRefreshTokenSession(ctx context.Context, signature string, _ fosite.Session) (fosite.Requester, error) {
session, _, err := a.getSession(ctx, signature)
if err != nil {
return nil, err
}
return session.Request, err
}
func (a *refreshTokenStorage) DeleteRefreshTokenSession(ctx context.Context, signature string) error {
return a.storage.Delete(ctx, signature)
}
func (a *refreshTokenStorage) getSession(ctx context.Context, signature string) (*Session, string, error) {
session := newValidEmptyRefreshTokenSession()
rv, err := a.storage.Get(ctx, signature, session)
if errors.IsNotFound(err) {
return nil, "", fosite.ErrNotFound.WithWrap(err).WithDebug(err.Error())
}
if err != nil {
return nil, "", fmt.Errorf("failed to get refresh token session for %s: %w", signature, err)
}
if version := session.Version; version != refreshTokenStorageVersion {
return nil, "", fmt.Errorf("%w: refresh token session for %s has version %s instead of %s",
ErrInvalidRefreshTokenRequestVersion, signature, version, refreshTokenStorageVersion)
}
if session.Request.ID == "" {
return nil, "", fmt.Errorf("malformed refresh token session for %s: %w", signature, ErrInvalidRefreshTokenRequestData)
}
return session, rv, nil
}
func newValidEmptyRefreshTokenSession() *Session {
return &Session{
Request: &fosite.Request{
Client: &clientregistry.Client{},
Session: &psession.PinnipedSession{},
},
}
}