Function startWebSocketServer

internal/cli/universal_login_customize.go:472–524

(
	ctx context.Context,
	api *auth0.API,
	display *display.Renderer,
	tenantDomain string,
)

}

func startWebSocketServer(
	ctx context.Context,
	api *auth0.API,
	display *display.Renderer,
	tenantDomain string,
) error {
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	listener, err := net.Listen("tcp", webServerHost)
	if err != nil {
		return err
	}
	defer func() {
		_ = listener.Close()
	}()

	handler := &webSocketHandler{
		display:  display,
		api:      api,
		shutdown: cancel,
		tenant:   tenantDomain,
	}

	assetsWithoutPrefix, err := fs.Sub(universalLoginPreviewAssets, "data/universal-login")
	if err != nil {
		return err
	}

	router := http.NewServeMux()
	router.Handle("/", http.FileServer(http.FS(assetsWithoutPrefix)))
	router.Handle("/ws", handler)

	server := &http.Server{
		Handler:      router,
		ReadTimeout:  time.Minute * 10,
		WriteTimeout: time.Minute * 10,
	}

	errChan := make(chan error, 1)
	go func() {
		errChan <- server.Serve(listener)
	}()

	openWebAppInBrowser(display)

	select {
	case err := <-errChan:
		return err
	case <-ctx.Done():
		return server.Close()
	}
}

func openWebAppInBrowser(display *display.Renderer) {
	display.Infof("Perform your changes within the editor: %q", webServerURL)