fix: restrict languages in console (#6964)

* 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

* fix(console): switch back to saved language

* feat(API): get allowed languages

* fix(console): only make allowed languages selectable

* warn when editing not allowed languages

* 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

* allow unsupported preferred languages

* lint

* load languages for tests

* cleanup

* lint

* cleanup

* get allowed only on admin

* cleanup

* reduce flakiness on very limited postgres

* simplify langSvc

* refactor according to suggestions in pr

* lint

* set first allowed language as default

* selectionchange for language in msg texts

* initialize login texts

* init message texts

* lint

---------

Co-authored-by: peintnermax <max@caos.ch>

internal/integration/client.go

@@ -8,6 +8,7 @@ import (
 
 	crewjam_saml "github.com/crewjam/saml"
 	"github.com/muhlemmer/gu"
+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"github.com/zitadel/logging"
 	"github.com/zitadel/oidc/v3/pkg/oidc"
@@ -59,7 +60,7 @@ func newClient(cc *grpc.ClientConn) Client {
 	}
 }
 
-func (t *Tester) UseIsolatedInstance(iamOwnerCtx, systemCtx context.Context) (primaryDomain, instanceId string, authenticatedIamOwnerCtx context.Context) {
+func (t *Tester) UseIsolatedInstance(tt *testing.T, iamOwnerCtx, systemCtx context.Context) (primaryDomain, instanceId string, authenticatedIamOwnerCtx context.Context) {
 	primaryDomain = RandString(5) + ".integration.localhost"
 	instance, err := t.Client.System.CreateInstance(systemCtx, &system.CreateInstanceRequest{
 		InstanceName: "testinstance",
@@ -80,7 +81,27 @@ func (t *Tester) UseIsolatedInstance(iamOwnerCtx, systemCtx context.Context) (pr
 	t.Users.Set(instanceId, IAMOwner, &User{
 		Token: instance.GetPat(),
 	})
-	return primaryDomain, instanceId, t.WithInstanceAuthorization(iamOwnerCtx, IAMOwner, instanceId)
+	newCtx := t.WithInstanceAuthorization(iamOwnerCtx, IAMOwner, instanceId)
+	// the following serves two purposes:
+	// 1. it ensures that the instance is ready to be used
+	// 2. it enables a normal login with the default admin user credentials
+	require.EventuallyWithT(tt, func(collectT *assert.CollectT) {
+		_, importErr := t.Client.Mgmt.ImportHumanUser(newCtx, &mgmt.ImportHumanUserRequest{
+			UserName: "zitadel-admin@zitadel.localhost",
+			Email: &mgmt.ImportHumanUserRequest_Email{
+				Email:           "zitadel-admin@zitadel.localhost",
+				IsEmailVerified: true,
+			},
+			Password: "Password1!",
+			Profile: &mgmt.ImportHumanUserRequest_Profile{
+				FirstName: "hodor",
+				LastName:  "hodor",
+				NickName:  "hodor",
+			},
+		})
+		assert.NoError(collectT, importErr)
+	}, 2*time.Minute, 100*time.Millisecond, "instance not ready")
+	return primaryDomain, instanceId, newCtx
 }
 
 func (s *Tester) CreateHumanUser(ctx context.Context) *user.AddHumanUserResponse {