From 57eab66a4dfe532cb4d7a0cb3489f0de371c8060 Mon Sep 17 00:00:00 2001
From: AJ ONeal <awesome@coolaj86.com>
Date: Wed, 16 Dec 2015 09:48:34 +0000
Subject: [PATCH] throw error if url is absent

---
 lib/get-acme-urls.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/get-acme-urls.js b/lib/get-acme-urls.js
index becc9bc..daf4134 100644
--- a/lib/get-acme-urls.js
+++ b/lib/get-acme-urls.js
@@ -10,6 +10,9 @@ module.exports.create = function (deps) {
   var knownUrls = deps.LeCore.knownEndpoints;
 
   function getAcmeUrls(acmeDiscoveryUrl, cb) {
+    if ('string' !== typeof acmeDiscoveryUrl) {
+      cb(new Error("getAcmeUrls: acmeDiscoveryUrl must be a string"));
+    }
 
     // TODO check response header on request for cache time
     return request({