From c2251959b1caaeab2ec817e30704fbdf934324d8 Mon Sep 17 00:00:00 2001
From: AJ ONeal <coolaj86@gmail.com>
Date: Wed, 10 Aug 2016 04:49:57 -0400
Subject: [PATCH] minor bugix, whitespace, formatting

---
 lib/sni-callback.js | 33 ++++++++++++++++++++++++++++-----
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git a/lib/sni-callback.js b/lib/sni-callback.js
index 872340f..c226229 100644
--- a/lib/sni-callback.js
+++ b/lib/sni-callback.js
@@ -1,13 +1,27 @@
 'use strict';
 
-// renewWithin, renew, register, httpsOptions
+// opts = { renewWithin, renew, register, httpsOptions }
 module.exports.create = function (opts) {
   var tls = require('tls');
-  // just to account for clock skew
-  var fiveMin = 5 * 60 * 1000;
+
   var snicb = {
+
+
+
+
     // in-process cache
     _ipc: {}
+
+
+
+
+    // just to account for clock skew
+  , _fiveMin: 5 * 60 * 1000
+
+
+
+
+    // cache and format incoming certs
   , cacheCerts: function (certs) {
       certs.altnames.forEach(function (domain) {
         snicb._ipc[domain] = { subject: certs.subject };
@@ -26,6 +40,11 @@ module.exports.create = function (opts) {
 
       return certs;
     }
+
+
+
+
+    // automate certificate registration on request
   , sniCallback: function (domain, cb) {
       var certs = snicb._ipc[domain];
       var promise;
@@ -39,13 +58,13 @@ module.exports.create = function (opts) {
       if (!certs) {
         promise = opts.register(domain);
       }
-      else if (now >= (certs.expiresAt - fiveMin)) {
+      else if (now >= (certs.expiresAt - snicb._fiveMin)) {
         promise = opts.renew(domain, certs);
       }
       else {
         if (now >= (certs.expiresAt - opts.renewWithin)) {
           // in background
-          opts.renew(domain, certs);
+          opts.renew(domain, certs).then(snicb.cacheCerts);
         }
         cb(null, certs);
         return;
@@ -55,6 +74,10 @@ module.exports.create = function (opts) {
         cb(null, certs.tlsContext);
       }, cb);
     }
+
+
+
+
   };
 
   return snicb;