forked from dexidp/dex
-
Notifications
You must be signed in to change notification settings - Fork 0
/
client.go
212 lines (171 loc) · 5.32 KB
/
client.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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
package client
import (
"encoding/base64"
"encoding/json"
"errors"
"io"
"io/ioutil"
"net/url"
"reflect"
"sort"
pcrypto "github.com/coreos/dex/pkg/crypto"
"github.com/coreos/go-oidc/oidc"
)
var (
ErrorInvalidRedirectURL = errors.New("not a valid redirect url for the given client")
ErrorCantChooseRedirectURL = errors.New("must provide a redirect url; client has many")
ErrorNoValidRedirectURLs = errors.New("no valid redirect URLs for this client.")
ErrorNotFound = errors.New("no data found")
)
type ClientIdentityRepo interface {
// Metadata returns one matching ClientMetadata if the given client
// exists, otherwise nil. The returned error will be non-nil only
// if the repo was unable to determine client existence.
Metadata(clientID string) (*oidc.ClientMetadata, error)
// Authenticate asserts that a client with the given ID exists and
// that the provided secret matches. If either of these assertions
// fail, (false, nil) will be returned. Only if the repo is unable
// to make these assertions will a non-nil error be returned.
Authenticate(creds oidc.ClientCredentials) (bool, error)
// All returns all registered Client Identities.
All() ([]oidc.ClientIdentity, error)
// New registers a ClientIdentity with the repo for the given metadata.
// An unused ID must be provided. A corresponding secret will be returned
// in a ClientCredentials struct along with the provided ID.
New(id string, meta oidc.ClientMetadata) (*oidc.ClientCredentials, error)
SetDexAdmin(clientID string, isAdmin bool) error
IsDexAdmin(clientID string) (bool, error)
}
func NewClientIdentityRepo(cs []oidc.ClientIdentity) ClientIdentityRepo {
cr := memClientIdentityRepo{
idents: make(map[string]oidc.ClientIdentity, len(cs)),
admins: make(map[string]bool),
}
for _, c := range cs {
c := c
cr.idents[c.Credentials.ID] = c
}
return &cr
}
type memClientIdentityRepo struct {
idents map[string]oidc.ClientIdentity
admins map[string]bool
}
func (cr *memClientIdentityRepo) New(id string, meta oidc.ClientMetadata) (*oidc.ClientCredentials, error) {
if _, ok := cr.idents[id]; ok {
return nil, errors.New("client ID already exists")
}
secret, err := pcrypto.RandBytes(32)
if err != nil {
return nil, err
}
cc := oidc.ClientCredentials{
ID: id,
Secret: base64.URLEncoding.EncodeToString(secret),
}
cr.idents[id] = oidc.ClientIdentity{
Metadata: meta,
Credentials: cc,
}
return &cc, nil
}
func (cr *memClientIdentityRepo) Metadata(clientID string) (*oidc.ClientMetadata, error) {
ci, ok := cr.idents[clientID]
if !ok {
return nil, ErrorNotFound
}
return &ci.Metadata, nil
}
func (cr *memClientIdentityRepo) Authenticate(creds oidc.ClientCredentials) (bool, error) {
ci, ok := cr.idents[creds.ID]
ok = ok && ci.Credentials.Secret == creds.Secret
return ok, nil
}
func (cr *memClientIdentityRepo) All() ([]oidc.ClientIdentity, error) {
cs := make(sortableClientIdentities, 0, len(cr.idents))
for _, ci := range cr.idents {
ci := ci
cs = append(cs, ci)
}
sort.Sort(cs)
return cs, nil
}
func (cr *memClientIdentityRepo) SetDexAdmin(clientID string, isAdmin bool) error {
cr.admins[clientID] = isAdmin
return nil
}
func (cr *memClientIdentityRepo) IsDexAdmin(clientID string) (bool, error) {
return cr.admins[clientID], nil
}
type sortableClientIdentities []oidc.ClientIdentity
func (s sortableClientIdentities) Len() int {
return len([]oidc.ClientIdentity(s))
}
func (s sortableClientIdentities) Less(i, j int) bool {
return s[i].Credentials.ID < s[j].Credentials.ID
}
func (s sortableClientIdentities) Swap(i, j int) {
s[i], s[j] = s[j], s[i]
}
func NewClientIdentityRepoFromReader(r io.Reader) (ClientIdentityRepo, error) {
b, err := ioutil.ReadAll(r)
if err != nil {
return nil, err
}
var cs []clientIdentity
if err = json.Unmarshal(b, &cs); err != nil {
return nil, err
}
ocs := make([]oidc.ClientIdentity, len(cs))
for i, c := range cs {
ocs[i] = oidc.ClientIdentity(c)
}
return NewClientIdentityRepo(ocs), nil
}
type clientIdentity oidc.ClientIdentity
func (ci *clientIdentity) UnmarshalJSON(data []byte) error {
c := struct {
ID string `json:"id"`
Secret string `json:"secret"`
RedirectURLs []string `json:"redirectURLs"`
}{}
if err := json.Unmarshal(data, &c); err != nil {
return err
}
ci.Credentials = oidc.ClientCredentials{
ID: c.ID,
Secret: c.Secret,
}
ci.Metadata = oidc.ClientMetadata{
RedirectURLs: make([]url.URL, len(c.RedirectURLs)),
}
for i, us := range c.RedirectURLs {
up, err := url.Parse(us)
if err != nil {
return err
}
ci.Metadata.RedirectURLs[i] = *up
}
return nil
}
// ValidRedirectURL returns the passed in URL if it is present in the redirectURLs list, and returns an error otherwise.
// If nil is passed in as the rURL and there is only one URL in redirectURLs,
// that URL will be returned. If nil is passed but theres >1 URL in the slice,
// then an error is returned.
func ValidRedirectURL(rURL *url.URL, redirectURLs []url.URL) (url.URL, error) {
if len(redirectURLs) == 0 {
return url.URL{}, ErrorNoValidRedirectURLs
}
if rURL == nil {
if len(redirectURLs) > 1 {
return url.URL{}, ErrorCantChooseRedirectURL
}
return redirectURLs[0], nil
}
for _, ru := range redirectURLs {
if reflect.DeepEqual(ru, *rURL) {
return ru, nil
}
}
return url.URL{}, ErrorInvalidRedirectURL
}