Add ignore HTTPS Certificate features

增加忽略HTTPS证书功能

node_modules/superagent/lib/node/index.js

@@ -589,6 +589,16 @@ Request.prototype.ca = function(cert){
   return this;
 };
 
+/**
+ * 忽略HTTPS证书
+ * @param  {[type]} ignore [description]
+ * @return {[type]}        [description]
+ */
+Request.prototype.ignoreHttps = function(ignore) {
+  this._ignoreHttps = ignore || false;
+  return this;
+};
+
 /**
  * Return an http[s] request.
  *
@@ -615,6 +625,7 @@ Request.prototype.request = function(){
   options.host = url.hostname;
   options.ca = this._ca;
   options.agent = this._agent;
+  options.requestCert = this._ignoreHttps;
 
   // initiate request
   var mod = exports.protocols[url.protocol];