v2.1.9: ignore failed background refresh

README.md

@@ -92,11 +92,9 @@ var leSni = require('le-sni-auto').create({
 
 
 
-// some default certificates that work with localhost
-// (because default certificates are required as a fallback)
-var tlsOptions = require('localhost.daplie.me-certificates').merge({
+var tlsOptions = {
   SNICallback: leSni.sniCallback
-});
+};
 
 https.createServer(tlsOptions, app);
 ```
@@ -148,9 +146,9 @@ var leSni = require('le-sni-auto').create({
   renewWithin: 14 * 24 * 60 * 60 1000
 });
 
-var tlsOptions = require('localhost.daplie.com-certificates').merge({
+var tlsOptions = {
   SNICallback: leSni.sniCallback
-});
+};
 
 function app(req, res) {
   res.end("Hello, World!");

index.js

@@ -5,19 +5,27 @@ var HOUR = 60 * 60 * 1000;
 var MIN = 60 * 1000;
 var defaults = {
   // don't renew before the renewWithin period
-  renewWithin: 14 * DAY
+  renewWithin: 30 * DAY
 , _renewWithinMin: 3 * DAY
   // renew before the renewBy period
-, renewBy: 10 * DAY
+, renewBy: 21 * DAY
 , _renewByMin: Math.floor(DAY / 2)
   // just to account for clock skew really
 , _dropDead: 5 * MIN
 };
+var promisify = require('util').promisify;
+if (!promisify) {
+  try {
+    promisify = require('bluebird').promisify;
+  } catch(e) {
+    console.error("You're running an older version of node that doesn't have 'promisify'. Please run 'npm install bluebird --save'.");
+  }
+}
 
 // autoSni = { renewWithin, renewBy, getCertificates, tlsOptions, _dbg_now }
 module.exports.create = function (autoSni) {
 
-  if (!autoSni.getCertificatesAsync) { autoSni.getCertificatesAsync = require('bluebird').promisify(autoSni.getCertificates); }
+  if (!autoSni.getCertificatesAsync) { autoSni.getCertificatesAsync = promisify(autoSni.getCertificates); }
   if (!autoSni.renewWithin) { autoSni.renewWithin = autoSni.notBefore || defaults.renewWithin; }
   if (autoSni.renewWithin < defaults._renewWithinMin) {
     throw new Error("options.renewWithin should be at least " + (defaults._renewWithinMin / DAY) + " days");
@@ -123,7 +131,7 @@ module.exports.create = function (autoSni) {
       else if (certMeta.then) {
         //log(autoSni.debug, "PROMISED CERT", domain);
         // we are already getting a cert
-        promise = certMeta
+        promise = certMeta;
       }
       else if (now >= certMeta.expiresNear) {
         //log(autoSni.debug, "EXPIRED CERT");
@@ -138,7 +146,10 @@ module.exports.create = function (autoSni) {
           // give the cert some time (2-5 min) to be validated and replaced before trying again
           certMeta.renewAt = (autoSni._dbg_now || Date.now()) + (2 * MIN) + (3 * MIN * Math.random());
           // let the update happen in the background
-          autoSni.getCertificatesAsync(domain, certMeta.certs).then(autoSni.cacheCerts);
+          autoSni.getCertificatesAsync(domain, certMeta.certs).then(autoSni.cacheCerts, function (error) {
+            // console.error('ERROR in le-sni-auto:');
+            // console.error(err.stack || err);
+          })
         }
 
         // return the valid cert right away

package-lock.json

@@ -0,0 +1,5 @@
+{
+  "name": "le-sni-auto",
+  "version": "2.1.9",
+  "lockfileVersion": 1
+}

package.json

@@ -1,10 +1,10 @@
 {
   "name": "le-sni-auto",
-  "version": "2.1.5",
+  "version": "2.1.9",
   "description": "An auto-sni strategy for registering and renewing letsencrypt certificates using SNICallback",
   "homepage": "https://git.coolaj86.com/coolaj86/le-sni-auto.js",
   "main": "index.js",
-  "dependencies": {
+  "trulyOptionalDependencies": {
     "bluebird": "^3.5.1"
   },
   "devDependencies": {},
@@ -13,7 +13,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "git+https://git.coolaj86.com/coolaj86/le-sni-auto.js.git"
+    "url": "https://git.coolaj86.com/coolaj86/le-sni-auto.js.git"
   },
   "keywords": [
     "le-sni",