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/integration/client.go

@@ -60,7 +60,7 @@ func newClient(cc *grpc.ClientConn) Client {
 }
 
 func (t *Tester) UseIsolatedInstance(iamOwnerCtx, systemCtx context.Context) (primaryDomain, instanceId string, authenticatedIamOwnerCtx context.Context) {
-	primaryDomain = randString(5) + ".integration.localhost"
+	primaryDomain = RandString(5) + ".integration.localhost"
 	instance, err := t.Client.System.CreateInstance(systemCtx, &system.CreateInstanceRequest{
 		InstanceName: "testinstance",
 		CustomDomain: primaryDomain,
@@ -85,8 +85,8 @@ func (t *Tester) UseIsolatedInstance(iamOwnerCtx, systemCtx context.Context) (pr
 
 func (s *Tester) CreateHumanUser(ctx context.Context) *user.AddHumanUserResponse {
 	resp, err := s.Client.UserV2.AddHumanUser(ctx, &user.AddHumanUserRequest{
-		Organisation: &object.Organisation{
-			Org: &object.Organisation_OrgId{
+		Organization: &object.Organization{
+			Org: &object.Organization_OrgId{
 				OrgId: s.Organisation.ID,
 			},
 		},

internal/integration/config/zitadel.yaml

@@ -51,3 +51,9 @@ DefaultInstance:
 SystemAPIUsers:
   - tester:
       KeyData: "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"
+      Memberships:
+        - MemberType: System
+          Roles:
+            - "SYSTEM_OWNER"
+            - "IAM_OWNER"
+            - "ORG_OWNER"

internal/integration/rand.go

@@ -11,7 +11,7 @@ func init() {
 
 var letterRunes = []rune("abcdefghijklmnopqrstuvwxyz")
 
-func randString(n int) string {
+func RandString(n int) string {
 	b := make([]rune, n)
 	for i := range b {
 		b[i] = letterRunes[rand.Intn(len(letterRunes))]