Call a SOAP API from Javascript

Call_Soap_API.js

//post to a SOAP API
var http = require('http');

var s_Pan = '378282246310005'; //get the unprotected PAN from the form
var s_DPFormat = 'CC'; //get the data protection Format
var s_Identity = 'user@domain.com'; //get the data protection Format
var s_AuthInfo = 'p3ssw3rd'; //get the data protection Format

//Marshal up a ProtectFormattedData SOAP Mesage:
var soapRequest =
    '<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:vib="http://voltage.com/vibesimple">' + "\n" +
    '  <soapenv:Header/>' + "\n" +
    '  <soapenv:Body>' + "\n" +
    '     <vib:ProtectFormattedData>' + "\n" +
    '        <dataIn>' + s_Pan + '</dataIn>' + "\n" +
    '        <format>' + s_DPFormat + '</format>' + "\n" +
    '        <identity>' + s_Identity + '</identity>' + "\n" +
    '        <tweak></tweak>' + "\n" +
    '        <authMethod>SharedSecret</authMethod>' + "\n" +
    '        <authInfo>' + s_AuthInfo + '</authInfo>' + "\n" +
    '     </vib:ProtectFormattedData>' + "\n" +
    '  </soapenv:Body>' + "\n" +
    '</soapenv:Envelope>';

var options = {
    hostname: 'voltage-pp-0000.corp.acme.local',
    port: 8181,
    path: '/vibesimple/services/VibeSimpleSOAP',
    method: 'POST',
    headers: {
        //'Content-Type': 'text/xml; charset=utf-8', is it this one or the follwing one?
        'Content-Type': 'application/soap+xml; charset=utf-8',
        'SOAPAction': 'http://voltage.com/vibesimple'
    }
};

var req = http.request(options, function (res) {
    //TODO do something usefull with the response headers:
    // console.log('headers:\n' + JSON.stringify(res.headers));
    res.setEncoding('utf8');
    res.on('data', function (chunk) {
        console.log('body:\n' + chunk);
    });
});

req.on('error', function (e) {
    console.log('problem with request: ' + e.message);
});
req.end();