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fix(oidc): do not return access token for response type id_token (#8777)

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# Which Problems Are Solved

Do not return an access token for implicit flow from v1 login, if the
`response_type` is `id_token`

# How the Problems Are Solved

Do not create the access token event if if the `response_type` is
`id_token`.

# Additional Changes

Token endpoint calls without auth request, such as machine users, token
exchange and refresh token, do not have a `response_type`. For such
calls the `OIDCResponseTypeUnspecified` enum is added at a `-1` offset,
in order not to break existing client configs.

# Additional Context

- https://discord.com/channels/927474939156643850/1294001717725237298
- Fixes https://github.com/zitadel/zitadel/issues/8776
This commit is contained in:
Tim Möhlmann 2024-11-12 17:20:48 +02:00 committed by GitHub
parent 69e9926bcc
commit 778b4041ca
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
9 changed files with 105 additions and 3 deletions
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1
internal/api/oidc/auth_request.go
View File

@ -600,6 +600,7 @@ func (s *Server) authResponseToken(authReq *AuthRequest, authorizer op.Authorize
nil,
slices.Contains(scope, oidc.ScopeOfflineAccess),
authReq.SessionID,
authReq.oidc().ResponseType,
)
if err != nil {
op.AuthRequestError(w, r, authReq, err, authorizer)

1
internal/api/oidc/token_client_credentials.go
View File

@ -47,6 +47,7 @@ func (s *Server) ClientCredentialsExchange(ctx context.Context, r *op.ClientRequ
nil,
false,
"",
domain.OIDCResponseTypeUnspecified,
)
if err != nil {
return nil, err

1
internal/api/oidc/token_code.go
View File

@ -87,6 +87,7 @@ func (s *Server) codeExchangeV1(ctx context.Context, client *Client, req *oidc.A
nil,
slices.Contains(scope, oidc.ScopeOfflineAccess),
authReq.SessionID,
authReq.oidc().ResponseType,
)
if err != nil {
return nil, err

2
internal/api/oidc/token_exchange.go
View File

@ -300,6 +300,7 @@ func (s *Server) createExchangeAccessToken(
actor,
slices.Contains(scope, oidc.ScopeOfflineAccess),
"",
domain.OIDCResponseTypeUnspecified,
)
if err != nil {
return "", "", "", 0, err
@ -346,6 +347,7 @@ func (s *Server) createExchangeJWT(
actor,
slices.Contains(scope, oidc.ScopeOfflineAccess),
"",
domain.OIDCResponseTypeUnspecified,
)
accessToken, err = s.createJWT(ctx, client, session, getUserInfo, roleAssertion, getSigner)
if err != nil {

1
internal/api/oidc/token_jwt_profile.go
View File

@ -57,6 +57,7 @@ func (s *Server) JWTProfile(ctx context.Context, r *op.Request[oidc.JWTProfileGr
nil,
false,
"",
domain.OIDCResponseTypeUnspecified,
)
if err != nil {
return nil, err

1
internal/api/oidc/token_refresh.go
View File

@ -69,6 +69,7 @@ func (s *Server) refreshTokenV1(ctx context.Context, client *Client, r *op.Clien
refreshToken.Actor,
true,
"",
domain.OIDCResponseTypeUnspecified,
)
if err != nil {
return nil, err

7
internal/command/oidc_session.go
View File

@ -147,6 +147,7 @@ func (c *Commands) CreateOIDCSession(ctx context.Context,
actor *domain.TokenActor,
needRefreshToken bool,
sessionID string,
responseType domain.OIDCResponseType,
) (session *OIDCSession, err error) {
ctx, span := tracing.NewSpan(ctx)
defer func() { span.EndWithError(err) }()
@ -164,8 +165,10 @@ func (c *Commands) CreateOIDCSession(ctx context.Context,
cmd.AddSession(ctx, userID, resourceOwner, sessionID, clientID, audience, scope, authMethods, authTime, nonce, preferredLanguage, userAgent)
cmd.RegisterLogout(ctx, sessionID, userID, clientID, backChannelLogoutURI)
if err = cmd.AddAccessToken(ctx, scope, userID, resourceOwner, reason, actor); err != nil {
return nil, err
if responseType != domain.OIDCResponseTypeIDToken {
if err = cmd.AddAccessToken(ctx, scope, userID, resourceOwner, reason, actor); err != nil {
return nil, err
}
}
if needRefreshToken {
if err = cmd.AddRefreshToken(ctx, userID); err != nil {

91
internal/command/oidc_session_test.go
View File

@ -749,6 +749,7 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
actor *domain.TokenActor
needRefreshToken bool
sessionID string
responseType domain.OIDCResponseType
}
tests := []struct {
name string
@ -788,6 +789,7 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
Issuer: "foo.com",
},
needRefreshToken: false,
responseType: domain.OIDCResponseTypeUnspecified,
},
wantErr: io.ErrClosedPipe,
},
@ -844,6 +846,7 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
Issuer: "foo.com",
},
needRefreshToken: false,
responseType: domain.OIDCResponseTypeUnspecified,
},
wantErr: zerrors.ThrowPreconditionFailed(nil, "OIDCS-kj3g2", "Errors.User.NotActive"),
},
@ -918,6 +921,7 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
Issuer: "foo.com",
},
needRefreshToken: false,
responseType: domain.OIDCResponseTypeUnspecified,
},
want: &OIDCSession{
TokenID: "V2_oidcSessionID-at_accessTokenID",
@ -943,6 +947,87 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
},
},
},
{
name: "ID token only",
fields: fields{
eventstore: expectEventstore(
expectFilter(
user.NewHumanAddedEvent(
context.Background(),
&user.NewAggregate("userID", "org1").Aggregate,
"username",
"firstname",
"lastname",
"nickname",
"displayname",
language.Afrikaans,
domain.GenderUnspecified,
"email",
false,
),
),
expectFilter(), // token lifetime
expectPush(
oidcsession.NewAddedEvent(context.Background(), &oidcsession.NewAggregate("V2_oidcSessionID", "org1").Aggregate,
"userID", "org1", "", "clientID", []string{"audience"}, []string{"openid", "offline_access"},
[]domain.UserAuthMethodType{domain.UserAuthMethodTypePassword}, testNow, "nonce", &language.Afrikaans,
&domain.UserAgent{
FingerprintID: gu.Ptr("fp1"),
IP: net.ParseIP("1.2.3.4"),
Description: gu.Ptr("firefox"),
Header: http.Header{"foo": []string{"bar"}},
},
),
),
),
idGenerator: mock.NewIDGeneratorExpectIDs(t, "oidcSessionID"),
defaultAccessTokenLifetime: time.Hour,
defaultRefreshTokenLifetime: 7 * 24 * time.Hour,
defaultRefreshTokenIdleLifetime: 24 * time.Hour,
keyAlgorithm: crypto.CreateMockEncryptionAlg(gomock.NewController(t)),
},
args: args{
ctx: authz.WithInstanceID(context.Background(), "instanceID"),
userID: "userID",
resourceOwner: "org1",
clientID: "clientID",
audience: []string{"audience"},
scope: []string{"openid", "offline_access"},
authMethods: []domain.UserAuthMethodType{domain.UserAuthMethodTypePassword},
authTime: testNow,
nonce: "nonce",
preferredLanguage: &language.Afrikaans,
userAgent: &domain.UserAgent{
FingerprintID: gu.Ptr("fp1"),
IP: net.ParseIP("1.2.3.4"),
Description: gu.Ptr("firefox"),
Header: http.Header{"foo": []string{"bar"}},
},
reason: domain.TokenReasonAuthRequest,
actor: &domain.TokenActor{
UserID: "user2",
Issuer: "foo.com",
},
needRefreshToken: false,
responseType: domain.OIDCResponseTypeIDToken,
},
want: &OIDCSession{
ClientID: "clientID",
UserID: "userID",
Audience: []string{"audience"},
Scope: []string{"openid", "offline_access"},
AuthMethods: []domain.UserAuthMethodType{domain.UserAuthMethodTypePassword},
AuthTime: testNow,
Nonce: "nonce",
PreferredLanguage: &language.Afrikaans,
UserAgent: &domain.UserAgent{
FingerprintID: gu.Ptr("fp1"),
IP: net.ParseIP("1.2.3.4"),
Description: gu.Ptr("firefox"),
Header: http.Header{"foo": []string{"bar"}},
},
},
},
{
name: "disable user token event",
fields: fields{
@ -1018,6 +1103,7 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
Issuer: "foo.com",
},
needRefreshToken: false,
responseType: domain.OIDCResponseTypeUnspecified,
},
want: &OIDCSession{
TokenID: "V2_oidcSessionID-at_accessTokenID",
@ -1115,6 +1201,7 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
Issuer: "foo.com",
},
needRefreshToken: true,
responseType: domain.OIDCResponseTypeUnspecified,
},
want: &OIDCSession{
TokenID: "V2_oidcSessionID-at_accessTokenID",
@ -1213,6 +1300,7 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
},
needRefreshToken: false,
sessionID: "sessionID",
responseType: domain.OIDCResponseTypeUnspecified,
},
want: &OIDCSession{
TokenID: "V2_oidcSessionID-at_accessTokenID",
@ -1594,6 +1682,7 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
Issuer: "foo.com",
},
needRefreshToken: false,
responseType: domain.OIDCResponseTypeUnspecified,
},
wantErr: zerrors.ThrowPermissionDenied(nil, "test", "test"),
},
@ -1675,6 +1764,7 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
Issuer: "foo.com",
},
needRefreshToken: false,
responseType: domain.OIDCResponseTypeUnspecified,
},
want: &OIDCSession{
TokenID: "V2_oidcSessionID-at_accessTokenID",
@ -1729,6 +1819,7 @@ func TestCommands_CreateOIDCSession(t *testing.T) {
tt.args.actor,
tt.args.needRefreshToken,
tt.args.sessionID,
tt.args.responseType,
)
require.ErrorIs(t, err, tt.wantErr)
if got != nil {

3
internal/domain/application_oidc.go
View File

@ -79,7 +79,8 @@ const (
type OIDCResponseType int32
const (
OIDCResponseTypeCode OIDCResponseType = iota
OIDCResponseTypeUnspecified OIDCResponseType = iota - 1 // Negative offset not to break existing configs.
OIDCResponseTypeCode
OIDCResponseTypeIDToken
OIDCResponseTypeIDTokenToken
)