const urllibRequest = (url, method, data, pfx, pass) => {
 return new Promise(function(resolve, reject) {
 let options = {
 data: data,
 method: method,
 pfx: pfx,
 passphrase: pass,
 rejectUnauthorized: false
 }
 urllib.request(url, options, function(err, data, res) {
 if (err) {
 return reject(err);
 }
 return resolve(data.toString());
 });
 });
}

const httpRequest = (url, method, data, pfx, pass) => {
 return new Promise((resolve, reject) => {
 let options = {
 url: url,
 method: method,
 form: data,
 headers: {
 'Content-type': 'application/x-www-form-urlencoded'
 },
 agentOptions: {
 pfx: pfx,
 passphrase: pass,
 rejectUnauthorized: false
 }
 };
 request(options, function(err, httpResponse, data) {
 if (err) {
 return reject(err);
 }
 return resolve(data);
 })
 });
}