lib/volt/volt/users.rb in volt-0.9.3 vs lib/volt/volt/users.rb in volt-0.9.4.pre1

@@ -13,9 +13,13 @@
 
       if user_id_signature.nil?
         nil
       else
         index = user_id_signature.index(':')
+
+        # If no index, the cookie is invalid
+        return nil unless index
+
         user_id = user_id_signature[0...index]
 
         if RUBY_PLATFORM != 'opal'
           hash = user_id_signature[(index + 1)..-1]