CLeanup the User and Password checking

Added a Method in ConfigFile

config.go

@@ -4,7 +4,10 @@
 
 package main
 
-import "errors"
+import (
+	"errors"
+	"strings"
+)
 
 // The config file
 type ConfigFile struct {
@@ -25,6 +28,10 @@ func (c *ConfigFile) Init() {
 	}
 }
 
+func (c *ConfigFile) WasProvidedUserAndPassword() bool {
+	return len(strings.TrimSpace(c.User)) > 0 && len(strings.TrimSpace(c.Password)) > 0
+}
+
 // Returns an App with by appID
 func (c *ConfigFile) GetAppByAppID(appID string) (*App, error) {
 	for _, app := range c.Apps {

router.go

@@ -8,7 +8,6 @@ import (
 	_ "expvar"
 	"net/http"
 	"os"
-	"strings"
 
 	"github.com/goji/httpauth"
 	"github.com/gorilla/handlers"
@@ -21,8 +20,8 @@ func NewRouter() *mux.Router {
 	router := mux.NewRouter().StrictSlash(true)
 
 	if Conf.Expvar {
-		if len(strings.TrimSpace(Conf.User)) == 0 || len(strings.TrimSpace(Conf.Password)) == 0 {
-			panic("Your are exporting debug variables and you are not defining an User and a Password")
+		if !Conf.WasProvidedUserAndPassword() {
+			panic("Your are exporting debug variables and looks like you forget to define an User and a Password")
 		}
 
 		router.Handle("/debug/vars", httpauth.SimpleBasicAuth(Conf.User, Conf.Password)(http.DefaultServeMux))