From c7465479a2e274eeb03f39805ae491370aad4412 Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Fri, 20 Dec 2013 10:39:14 +0100
Subject: [PATCH] Improve error on a signature certificate with no or broken
 auth

---
 lib/cartodb/signed_maps.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/cartodb/signed_maps.js b/lib/cartodb/signed_maps.js
index 4a62432f..6c4af8d3 100644
--- a/lib/cartodb/signed_maps.js
+++ b/lib/cartodb/signed_maps.js
@@ -94,6 +94,14 @@ o.authorizedByCert = function(cert, auth) {
     throw new Error("Unsupported certificate version " + cert.version);
   }
 
+  if ( ! cert.auth ) {
+    throw new Error("No certificate authorization");
+  }
+
+  if ( ! cert.auth.method ) {
+    throw new Error("No certificate authorization method");
+  }
+
   // Open authentication certificates are always authorized
   if ( cert.auth.method === 'open' ) return true;