fix: supported ui locales from config (#107)

pkg/op/config.go

@@ -5,6 +5,8 @@ import (
 	"net/url"
 	"os"
 	"strings"
+
+	"golang.org/x/text/language"
 )
 
 const OidcDevMode = "CAOS_OIDC_DEV"
@@ -24,6 +26,8 @@ type Configuration interface {
 	GrantTypeRefreshTokenSupported() bool
 	GrantTypeTokenExchangeSupported() bool
 	GrantTypeJWTAuthorizationSupported() bool
+
+	SupportedUILocales() []language.Tag
 }
 
 func ValidateIssuer(issuer string) error {

pkg/op/discovery.go

@@ -3,8 +3,6 @@ package op
 import (
 	"net/http"
 
-	"golang.org/x/text/language"
-
 	"github.com/caos/oidc/pkg/oidc"
 	"github.com/caos/oidc/pkg/utils"
 )
@@ -37,7 +35,7 @@ func CreateDiscoveryConfig(c Configuration, s Signer) *oidc.DiscoveryConfigurati
 		IntrospectionEndpointAuthMethodsSupported: AuthMethodsIntrospectionEndpoint(c),
 		ClaimsSupported:                           SupportedClaims(c),
 		CodeChallengeMethodsSupported:             CodeChallengeMethods(c),
-		UILocalesSupported:                        UILocales(c),
+		UILocalesSupported:                        c.SupportedUILocales(),
 	}
 }
 
@@ -146,10 +144,3 @@ func CodeChallengeMethods(c Configuration) []oidc.CodeChallengeMethod {
 	}
 	return codeMethods
 }
-
-func UILocales(c Configuration) []language.Tag {
-	return []language.Tag{
-		language.English,
-		language.German,
-	}
-}

pkg/op/mock/configuration.mock.go

@@ -9,6 +9,7 @@ import (
 
 	op "github.com/caos/oidc/pkg/op"
 	gomock "github.com/golang/mock/gomock"
+	language "golang.org/x/text/language"
 )
 
 // MockConfiguration is a mock of Configuration interface.
@@ -188,6 +189,20 @@ func (mr *MockConfigurationMockRecorder) KeysEndpoint() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "KeysEndpoint", reflect.TypeOf((*MockConfiguration)(nil).KeysEndpoint))
 }
 
+// SupportedUILocales mocks base method.
+func (m *MockConfiguration) SupportedUILocales() []language.Tag {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SupportedUILocales")
+	ret0, _ := ret[0].([]language.Tag)
+	return ret0
+}
+
+// SupportedUILocales indicates an expected call of SupportedUILocales.
+func (mr *MockConfigurationMockRecorder) SupportedUILocales() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SupportedUILocales", reflect.TypeOf((*MockConfiguration)(nil).SupportedUILocales))
+}
+
 // TokenEndpoint mocks base method.
 func (m *MockConfiguration) TokenEndpoint() op.Endpoint {
 	m.ctrl.T.Helper()

pkg/op/op.go

@@ -9,6 +9,7 @@ import (
 	"github.com/gorilla/handlers"
 	"github.com/gorilla/mux"
 	"github.com/gorilla/schema"
+	"golang.org/x/text/language"
 	"gopkg.in/square/go-jose.v2"
 
 	"github.com/caos/oidc/pkg/oidc"
@@ -85,6 +86,7 @@ type Config struct {
 	CodeMethodS256           bool
 	AuthMethodPrivateKeyJWT  bool
 	GrantTypeRefreshToken    bool
+	SupportedUILocales       []language.Tag
 }
 
 type endpoints struct {
@@ -202,6 +204,10 @@ func (o *openidProvider) GrantTypeJWTAuthorizationSupported() bool {
 	return true
 }
 
+func (o *openidProvider) SupportedUILocales() []language.Tag {
+	return o.config.SupportedUILocales
+}
+
 func (o *openidProvider) Storage() Storage {
 	return o.storage
 }