Adding optional ssl param in API

By default http is used for api, but you can pass a param to use ssl.

This is the same behaviour that we have currently in robot.

lib/api.js

@@ -9,7 +9,8 @@
 "use strict";
 
 var fs = require('fs'),
-    https = require('https');
+    https = require('https'),
+    http  = require('http');
 
 var express = require('express'),
     namespace = require('node-namespace');
@@ -29,15 +30,18 @@ namespace("Cylon", function() {
       this.port = opts.port || "3000";
 
       this.master = opts.master;
-
-      var options = {
-        cert: fs.readFileSync(opts.cert || __dirname + "/ssl/server.crt"),
-        key: fs.readFileSync(opts.key || __dirname + "/ssl/server.key")
-      }
-
       this.server = express();
 
-      this.server.https = https.createServer(options, this.server);
+      if (opts.ssl) {
+        var options = {
+          cert: fs.readFileSync(opts.cert || __dirname + "/ssl/server.crt"),
+          key: fs.readFileSync(opts.key || __dirname + "/ssl/server.key")
+        }
+
+        this.server.https = https.createServer(options, this.server);
+      } else {
+        this.server.https = this.server;
+      }
 
       this.server.set('title', 'Cylon API Server');
 
@@ -62,6 +66,9 @@ namespace("Cylon", function() {
         var title = self.server.get('title');
         Logger.info(title + " is now online.");
         Logger.info("Listening at https://" + self.host + ":" + self.port);
+        if(!self.opts.ssl) {
+          Logger.warn("API using insecure connection. We recommend using an SSL certificate with Cylon.");
+        }
       });
     };
 

lib/cylon.js

@@ -49,7 +49,8 @@ var Cylon = (function() {
         cert: null,
         key: null,
         auth: {},
-        CORS: null
+        CORS: null,
+        ssl: false
       };
 
       this.robot = bind(this.robot, this);
@@ -101,7 +102,7 @@ var Cylon = (function() {
     Master.prototype.api = function(opts) {
       if (opts == null) { opts = {}; }
 
-      var keys = ['host', 'port', 'auth', 'cert', 'CORS', 'key'];
+      var keys = ['host', 'port', 'auth', 'cert', 'CORS', 'key', 'ssl'];
 
       for (var i = 0; i < keys.length; i++) {
         var key = keys[i];

test/specs/api.spec.js

@@ -13,7 +13,8 @@ describe("API", function() {
     stub(https, 'createServer').returns({ listen: spy() });
 
     opts = {
-      master: { name: 'master' }
+      master: { name: 'master' },
+      ssl: true
     }
 
     api = new API(opts);