/
identity_verification.go
236 lines (179 loc) · 7.45 KB
/
identity_verification.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
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
package middlewares
import (
"encoding/json"
"errors"
"fmt"
"path"
"time"
"github.com/golang-jwt/jwt/v5"
"github.com/google/uuid"
"github.com/authelia/authelia/v4/internal/model"
"github.com/authelia/authelia/v4/internal/templates"
)
// IdentityVerificationStart the handler for initiating the identity validation process.
func IdentityVerificationStart(args IdentityVerificationStartArgs, delayFunc TimingAttackDelayFunc) RequestHandler {
if args.IdentityRetrieverFunc == nil {
panic(fmt.Errorf("Identity verification requires an identity retriever"))
}
return func(ctx *AutheliaCtx) {
requestTime := time.Now()
success := false
if delayFunc != nil {
defer delayFunc(ctx, requestTime, &success)
}
identity, err := args.IdentityRetrieverFunc(ctx)
if err != nil {
// In that case we reply ok to avoid user enumeration.
ctx.Logger.Error(err)
ctx.ReplyOK()
return
}
var jti uuid.UUID
if jti, err = uuid.NewRandom(); err != nil {
ctx.Error(err, messageOperationFailed)
return
}
verification := model.NewIdentityVerification(jti, identity.Username, args.ActionClaim, ctx.RemoteIP(), ctx.Configuration.IdentityValidation.ResetPassword.JWTExpiration)
// Create the claim with the action to sign it.
claims := verification.ToIdentityVerificationClaim()
var method *jwt.SigningMethodHMAC
switch ctx.Configuration.IdentityValidation.ResetPassword.JWTAlgorithm {
case "HS256":
method = jwt.SigningMethodHS256
case "HS384":
method = jwt.SigningMethodHS384
case "HS512":
method = jwt.SigningMethodHS512
default:
method = jwt.SigningMethodHS256
}
token := jwt.NewWithClaims(method, claims)
signedToken, err := token.SignedString([]byte(ctx.Configuration.IdentityValidation.ResetPassword.JWTSecret))
if err != nil {
ctx.Error(err, messageOperationFailed)
return
}
if err = ctx.Providers.StorageProvider.SaveIdentityVerification(ctx, verification); err != nil {
ctx.Error(err, messageOperationFailed)
return
}
linkURL := ctx.RootURL()
query := linkURL.Query()
query.Set(queryArgToken, signedToken)
linkURL.Path = path.Join(linkURL.Path, args.TargetEndpoint)
linkURL.RawQuery = query.Encode()
revocationLinkURL := ctx.RootURL()
query = revocationLinkURL.Query()
query.Set(queryArgToken, signedToken)
revocationLinkURL.Path = path.Join(revocationLinkURL.Path, args.RevokeEndpoint)
revocationLinkURL.RawQuery = query.Encode()
data := templates.EmailIdentityVerificationJWTValues{
Title: args.MailTitle,
LinkURL: linkURL.String(),
LinkText: args.MailButtonContent,
RevocationLinkURL: revocationLinkURL.String(),
RevocationLinkText: args.MailButtonRevokeContent,
DisplayName: identity.DisplayName,
RemoteIP: ctx.RemoteIP().String(),
}
ctx.Logger.Debugf("Sending an email to user %s (%s) to confirm identity for registering a device.",
identity.Username, identity.Email)
if err = ctx.Providers.Notifier.Send(ctx, identity.Address(), args.MailTitle, ctx.Providers.Templates.GetIdentityVerificationJWTEmailTemplate(), data); err != nil {
ctx.Error(err, messageOperationFailed)
return
}
success = true
ctx.ReplyOK()
}
}
// IdentityVerificationFinish the middleware for finishing the identity validation process.
//
//nolint:gocyclo
func IdentityVerificationFinish(args IdentityVerificationFinishArgs, next func(ctx *AutheliaCtx, username string)) RequestHandler {
return func(ctx *AutheliaCtx) {
var finishBody IdentityVerificationFinishBody
b := ctx.PostBody()
err := json.Unmarshal(b, &finishBody)
if err != nil {
ctx.Error(err, messageOperationFailed)
return
}
if finishBody.Token == "" {
ctx.Error(fmt.Errorf("No token provided"), messageOperationFailed)
return
}
token, err := jwt.ParseWithClaims(finishBody.Token, &model.IdentityVerificationClaim{},
func(token *jwt.Token) (any, error) {
return []byte(ctx.Configuration.IdentityValidation.ResetPassword.JWTSecret), nil
},
jwt.WithIssuedAt(),
jwt.WithIssuer("Authelia"),
jwt.WithStrictDecoding(),
ctx.GetJWTWithTimeFuncOption(),
)
switch {
case err == nil:
break
case errors.Is(err, jwt.ErrTokenMalformed):
ctx.Logger.WithError(err).Error("Error occurred validating the identity verification token as it appears to be malformed, this potentially can occur if you've not copied the full link")
ctx.SetJSONError(messageOperationFailed)
return
case errors.Is(err, jwt.ErrTokenExpired):
ctx.Logger.WithError(err).Error("Error occurred validating the identity verification token validity period as it appears to be expired")
ctx.SetJSONError(messageIdentityVerificationTokenHasExpired)
return
case errors.Is(err, jwt.ErrTokenNotValidYet):
ctx.Logger.WithError(err).Error("Error occurred validating the identity verification token validity period as it appears to only be valid in the future")
ctx.SetJSONError(messageIdentityVerificationTokenNotValidYet)
return
case errors.Is(err, jwt.ErrTokenSignatureInvalid):
ctx.Logger.WithError(err).Error("Error occurred validating the identity verification token signature")
ctx.SetJSONError(messageIdentityVerificationTokenSig)
return
default:
ctx.Logger.WithError(err).Error("Error occurred validating the identity verification token")
ctx.SetJSONError(messageOperationFailed)
return
}
claims, ok := token.Claims.(*model.IdentityVerificationClaim)
if !ok {
ctx.Logger.WithError(fmt.Errorf("failed to map the %T claims to a *model.IdentityVerificationClaim", claims)).Error("Error occurred validating the identity verification token claims")
ctx.SetJSONError(messageOperationFailed)
return
}
verification, err := claims.ToIdentityVerification()
if err != nil {
ctx.Logger.WithError(err).Error("Error occurred validating the identity verification token claims as they appear to be malformed")
ctx.SetJSONError(messageOperationFailed)
return
}
found, err := ctx.Providers.StorageProvider.FindIdentityVerification(ctx, verification.JTI.String())
if err != nil {
ctx.Logger.WithError(err).Error("Error occurred looking up identity verification during the validation phase")
ctx.SetJSONError(messageOperationFailed)
return
}
if !found {
ctx.Logger.Error("Error occurred looking up identity verification during the validation phase, the token was not found in the database which could indicate it was never generated or was already used")
ctx.SetJSONError(messageIdentityVerificationTokenAlreadyUsed)
return
}
// Verify that the action claim in the token is the one expected for the given endpoint.
if claims.Action != args.ActionClaim {
ctx.Logger.Errorf("Error occurred handling the identity verification token, the token action '%s' does not match the endpoint action '%s' which is not allowed", claims.Action, args.ActionClaim)
ctx.SetJSONError(messageOperationFailed)
return
}
if args.IsTokenUserValidFunc != nil && !args.IsTokenUserValidFunc(ctx, claims.Username) {
ctx.Logger.Errorf("Error occurred handling the identity verification token, the user is not allowed to use this token")
ctx.SetJSONError(messageOperationFailed)
return
}
if err = ctx.Providers.StorageProvider.ConsumeIdentityVerification(ctx, claims.ID, model.NewNullIP(ctx.RemoteIP())); err != nil {
ctx.Logger.WithError(err).Error("Error occurred consuming the identity verification during the validation phase")
ctx.SetJSONError(messageOperationFailed)
return
}
next(ctx, claims.Username)
}
}