Can omit username from rendered RDP (#83)

cmd/rdpgw/config/configuration.go

@@ -94,6 +94,7 @@ type ClientConfig struct {
 	// kept for backwards compatibility
 	UsernameTemplate string `koanf:"usernametemplate"`
 	SplitUserDomain  bool   `koanf:"splituserdomain"`
+	NoUsername string `koanf:"nousername"`
 }
 
 func ToCamel(s string) string {

cmd/rdpgw/main.go

@@ -110,6 +110,7 @@ func main() {
 		RdpOpts: web.RdpOpts{
 			UsernameTemplate: conf.Client.UsernameTemplate,
 			SplitUserDomain:  conf.Client.SplitUserDomain,
+			NoUsername: conf.Client.NoUsername,
 		},
 		GatewayAddress: url,
 		TemplateFile:   conf.Client.Defaults,

cmd/rdpgw/web/web.go

@@ -37,6 +37,7 @@ type Config struct {
 type RdpOpts struct {
 	UsernameTemplate string
 	SplitUserDomain  bool
+	NoUsername bool
 }
 
 type Handler struct {
@@ -210,9 +211,11 @@ func (h *Handler) HandleDownload(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	d.Settings.Username = render
-	if domain != "" {
-		d.Settings.Domain = domain
+	if !NoUsername {
+		d.Settings.Username = render
+		if domain != "" {
+			d.Settings.Domain = domain
+		}
 	}
 	d.Settings.FullAddress = host
 	d.Settings.GatewayHostname = h.gatewayAddress.Host