feat: complete dynamic domain handling (#3482)

* feat: dynamic issuer

* feat: default language from context

* remove zitadel docs from defaults

* remove ConsoleOverwriteDir

* remove notification endpoints from defaults

* custom domains in emails

* remove (external) domain

* external domain completely removed, console handling fixed

* fix test

* fix defaults.yaml

internal/api/grpc/auth/passwordless.go

@@ -8,6 +8,8 @@ import (
 	"github.com/caos/zitadel/internal/api/authz"
 	"github.com/caos/zitadel/internal/api/grpc/object"
 	user_grpc "github.com/caos/zitadel/internal/api/grpc/user"
+	"github.com/caos/zitadel/internal/api/http"
+	"github.com/caos/zitadel/internal/api/ui/login"
 	"github.com/caos/zitadel/internal/domain"
 	"github.com/caos/zitadel/internal/query"
 	auth_pb "github.com/caos/zitadel/pkg/grpc/auth"
@@ -65,9 +67,10 @@ func (s *Server) AddMyPasswordlessLink(ctx context.Context, _ *auth_pb.AddMyPass
 	if err != nil {
 		return nil, err
 	}
+	origin := http.BuildOrigin(authz.GetInstance(ctx).RequestedHost(), s.externalSecure)
 	return &auth_pb.AddMyPasswordlessLinkResponse{
 		Details:    object.AddToDetailsPb(initCode.Sequence, initCode.ChangeDate, initCode.ResourceOwner),
-		Link:       initCode.Link(s.defaults.Notifications.Endpoints.PasswordlessRegistration),
+		Link:       initCode.Link(origin + login.HandlerPrefix + login.EndpointPasswordlessRegistration),
 		Expiration: durationpb.New(initCode.Expiration),
 	}, nil
 }

internal/api/grpc/auth/server.go

@@ -28,6 +28,7 @@ type Server struct {
 	defaults        systemdefaults.SystemDefaults
 	assetsAPIDomain string
 	userCodeAlg     crypto.EncryptionAlgorithm
+	externalSecure  bool
 }
 
 type Config struct {
@@ -40,6 +41,7 @@ func CreateServer(command *command.Commands,
 	defaults systemdefaults.SystemDefaults,
 	assetsAPIDomain string,
 	userCodeAlg crypto.EncryptionAlgorithm,
+	externalSecure bool,
 ) *Server {
 	return &Server{
 		command:         command,
@@ -48,6 +50,7 @@ func CreateServer(command *command.Commands,
 		defaults:        defaults,
 		assetsAPIDomain: assetsAPIDomain,
 		userCodeAlg:     userCodeAlg,
+		externalSecure:  externalSecure,
 	}
 }