add SSL configuration options

src/lib/connectors/http.js

@@ -14,7 +14,7 @@ var handles = {
 };
 var _ = require('../utils');
 var qs = require('querystring');
-var ForeverAgent = require('./_custom_agent');
+var KeepAliveAgent = require('./_keep_alive_agent');
 var ConnectionAbstract = require('../connection');
 var zlib = require('zlib');
 
@@ -34,6 +34,8 @@ function HttpConnector(host, config) {
       '", expected one of ' + _.keys(handles).join(', '));
   }
 
+  this.useSsl = this.host.protocol === 'https';
+
   config = _.defaults(config || {}, {
     keepAlive: true,
     minSockets: 10,
@@ -77,7 +79,7 @@ HttpConnector.prototype.createAgent = function (config) {
   }
 
   if (config.keepAlive) {
-    Agent = this.host.protocol === 'https' ? ForeverAgent.SSL : ForeverAgent;
+    Agent = this.useSsl ? KeepAliveAgent.SSL : KeepAliveAgent;
     this.on('status set', this.bound.onStatusSet);
   }
 
@@ -85,10 +87,16 @@ HttpConnector.prototype.createAgent = function (config) {
 };
 
 HttpConnector.prototype.makeAgentConfig = function (config) {
-  return {
+  var agentConfig =  {
     maxSockets: config.maxSockets,
     minSockets: config.minSockets
   };
+
+  if (this.useSsl) {
+    _.merge(agentConfig, this.host.ssl);
+  }
+
+  return agentConfig;
 };
 
 HttpConnector.prototype.makeReqParams = function (params) {

src/lib/host.js

@@ -23,6 +23,17 @@ var urlParseFields = [
 
 var simplify = ['host', 'path'];
 
+var sslDefaults = {
+  pfx: null,
+  key: null,
+  passphrase: null,
+  cert: null,
+  ca: null,
+  ciphers: null,
+  rejectUnauthorized: false,
+  secureProtocol: null
+};
+
 // simple reference used when formatting as a url
 // and defines when parsing from a string
 Host.defaultPorts = {
@@ -44,6 +55,8 @@ function Host(config, globalConfig) {
   this.headers = null;
   this.suggestCompression = !!globalConfig.suggestCompression;
 
+  this.ssl = _.defaults({}, config.ssl || {}, globalConfig.ssl || {}, sslDefaults);
+
   if (typeof config === 'string') {
     var firstColon = config.indexOf(':');
     var firstSlash = config.indexOf('/');