feat: restrict languages (#6931)

* feat: return 404 or 409 if org reg disallowed

* fix: system limit permissions

* feat: add iam limits api

* feat: disallow public org registrations on default instance

* add integration test

* test: integration

* fix test

* docs: describe public org registrations

* avoid updating docs deps

* fix system limits integration test

* silence integration tests

* fix linting

* ignore strange linter complaints

* review

* improve reset properties naming

* redefine the api

* use restrictions aggregate

* test query

* simplify and test projection

* test commands

* fix unit tests

* move integration test

* support restrictions on default instance

* also test GetRestrictions

* self review

* lint

* abstract away resource owner

* fix tests

* configure supported languages

* fix allowed languages

* fix tests

* default lang must not be restricted

* preferred language must be allowed

* change preferred languages

* check languages everywhere

* lint

* test command side

* lint

* add integration test

* add integration test

* restrict supported ui locales

* lint

* lint

* cleanup

* lint

* allow undefined preferred language

* fix integration tests

* update main

* fix env var

* ignore linter

* ignore linter

* improve integration test config

* reduce cognitive complexity

* compile

* check for duplicates

* remove useless restriction checks

* review

* revert restriction renaming

* fix language restrictions

* lint

* generate

* allow custom texts for supported langs for now

* fix tests

* cleanup

* cleanup

* cleanup

* lint

* unsupported preferred lang is allowed

* fix integration test

* finish reverting to old property name

* finish reverting to old property name

* load languages

* refactor(i18n): centralize translators and fs

* lint

* amplify no validations on preferred languages

* fix integration test

* lint

* fix resetting allowed languages

* test unchanged restrictions

internal/api/grpc/management/language.go

@@ -2,15 +2,12 @@ package management
 
 import (
 	"context"
+	"github.com/zitadel/zitadel/internal/domain"
+	"github.com/zitadel/zitadel/internal/i18n"
 
-	"github.com/zitadel/zitadel/internal/api/grpc/text"
 	mgmt_pb "github.com/zitadel/zitadel/pkg/grpc/management"
 )
 
-func (s *Server) GetSupportedLanguages(ctx context.Context, req *mgmt_pb.GetSupportedLanguagesRequest) (*mgmt_pb.GetSupportedLanguagesResponse, error) {
-	langs, err := s.query.Languages(ctx)
-	if err != nil {
-		return nil, err
-	}
-	return &mgmt_pb.GetSupportedLanguagesResponse{Languages: text.LanguageTagsToStrings(langs)}, nil
+func (s *Server) GetSupportedLanguages(context.Context, *mgmt_pb.GetSupportedLanguagesRequest) (*mgmt_pb.GetSupportedLanguagesResponse, error) {
+	return &mgmt_pb.GetSupportedLanguagesResponse{Languages: domain.LanguagesToStrings(i18n.SupportedLanguages())}, nil
 }

internal/api/grpc/management/user.go

@@ -220,8 +220,7 @@ func (s *Server) BulkRemoveUserMetadata(ctx context.Context, req *mgmt_pb.BulkRe
 
 func (s *Server) AddHumanUser(ctx context.Context, req *mgmt_pb.AddHumanUserRequest) (*mgmt_pb.AddHumanUserResponse, error) {
 	human := AddHumanUserRequestToAddHuman(req)
-	err := s.command.AddHuman(ctx, authz.GetCtxData(ctx).OrgID, human, true)
-	if err != nil {
+	if err := s.command.AddHuman(ctx, authz.GetCtxData(ctx).OrgID, human, true); err != nil {
 		return nil, err
 	}
 	return &mgmt_pb.AddHumanUserResponse{

internal/api/grpc/management/user_integration_test.go

@@ -55,14 +55,14 @@ func TestImport_and_Get(t *testing.T) {
 			// create unique names.
 			lastName := strconv.FormatInt(time.Now().Unix(), 10)
 			userName := strings.Join([]string{firstName, lastName}, "_")
-			email := strings.Join([]string{userName, "zitadel.com"}, "@")
+			email := strings.Join([]string{userName, "example.com"}, "@")
 
 			res, err := Client.ImportHumanUser(CTX, &management.ImportHumanUserRequest{
 				UserName: userName,
 				Profile: &management.ImportHumanUserRequest_Profile{
 					FirstName:         firstName,
 					LastName:          lastName,
-					PreferredLanguage: language.Afrikaans.String(),
+					PreferredLanguage: language.Japanese.String(),
 					Gender:            user.Gender_GENDER_DIVERSE,
 				},
 				Email: &management.ImportHumanUserRequest_Email{
@@ -82,3 +82,21 @@ func TestImport_and_Get(t *testing.T) {
 		})
 	}
 }
+
+func TestImport_UnparsablePreferredLanguage(t *testing.T) {
+	random := integration.RandString(5)
+	_, err := Client.ImportHumanUser(CTX, &management.ImportHumanUserRequest{
+		UserName: random,
+		Profile: &management.ImportHumanUserRequest_Profile{
+			FirstName:         random,
+			LastName:          random,
+			PreferredLanguage: "not valid",
+			Gender:            user.Gender_GENDER_DIVERSE,
+		},
+		Email: &management.ImportHumanUserRequest_Email{
+			Email:           random + "@example.com",
+			IsEmailVerified: true,
+		},
+	})
+	require.NoError(t, err)
+}