Fixed bad URL redirect bug

pages/root.go

@@ -47,6 +47,7 @@ func (ctx *RootHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		id, err := qurl.FromString(fname[1:len(fname)])
 		if err != nil {
 			http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
+			return
 		}
 
 		q, err := ctx.Storage.GetQURLByID(id)
@@ -56,6 +57,11 @@ func (ctx *RootHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
+		if q == nil {
+			http.Redirect(w, r, "/", http.StatusTemporaryRedirect)
+			return
+		}
+
 		http.Redirect(w, r, q.URL, http.StatusPermanentRedirect)
 	}
 }