Axway.com Custom Form Validation

'use strict';

document.addEventListener('DOMContentLoaded', login);

function login() {
  var oElem = document.getElementById('ItemList');
  var oLoginDiv = document.createElement('div');
  oLoginDiv.style.marginBottom = '20px';

  var oLoginLink = document.createElement('a');
  var showKey = GetURLParamValue("ShowKey");
  oLoginLink.innerHTML = '<p style="margin-top: 15px; margin-left: 5px;">Already Registered? Login Here!</p>';
  oLoginLink.style.color = '#333333';
  oLoginLink.href = 'https://vts.inxpo.com/scripts/Server.nxp?LASCmd=L:0&AI=1&InitialDisplay=1&ClientBrowser=0&ShowKey=' + showKey;
  oLoginDiv.appendChild(oLoginLink);

  function insertAfter(newNode, referenceNode) {
    referenceNode.parentNode.insertBefore(newNode, referenceNode);
  }
  insertAfter(oLoginLink, oElem);
}




//<div style="color: #fff; font-weight: 300; margin-top: .75rem;" id="response"></div>
//.includes() polyfill for IE support
if (!String.prototype.includes) {
  String.prototype.includes = function() {
    'use strict';
    return String.prototype.indexOf.apply(this, arguments) !== -1;
  };
};


var aBlockList = [
  /* Default domains included */
  "aol.com", "att.net", "comcast.net", "facebook.com", "gmail.com", "gmx.com", "googlemail.com",
  "google.com", "hotmail.com", "hotmail.co.uk", "mac.com", "me.com", "mail.com", "msn.com",
  "live.com", "sbcglobal.net", "verizon.net", "yahoo.com", "yahoo.co.uk",
  /* Other global domains */
  "email.com", "games.com" /* AOL */ , "gmx.net", "hush.com", "hushmail.com", "icloud.com", "inbox.com",
  "lavabit.com", "love.com" /* AOL */ , "outlook.com", "pobox.com", "rocketmail.com" /* Yahoo */ ,
  "safe-mail.net", "wow.com" /* AOL */ , "ygm.com" /* AOL */ , "ymail.com"
  /* Yahoo */
  , "zoho.com", "fastmail.fm", "yandex.com",
  /* United States ISP domains */
  "bellsouth.net", "charter.net", "comcast.net", "cox.net", "earthlink.net", "juno.com",
  /* British ISP domains */
  "btinternet.com", "virginmedia.com", "blueyonder.co.uk", "freeserve.co.uk", "live.co.uk",
  "ntlworld.com", "o2.co.uk", "orange.net", "sky.com", "talktalk.co.uk", "tiscali.co.uk",
  "virgin.net", "wanadoo.co.uk", "bt.com",
  /* Domains used in Asia */
  "sina.com", "qq.com", "naver.com", "hanmail.net", "daum.net", "nate.com", "yahoo.co.jp",
  "yahoo.co.kr", "yahoo.co.id", "yahoo.co.in", "yahoo.com.sg", "yahoo.com.ph",
  /* French ISP domains */
  "hotmail.fr", "live.fr", "laposte.net", "yahoo.fr", "wanadoo.fr", "orange.fr",
  "gmx.fr", "sfr.fr", "neuf.fr", "free.fr",
  /* German ISP domains */
  "gmx.de", "hotmail.de", "live.de", "online.de", "t-online.de" /* T-Mobile */ , "web.de", "yahoo.de",
  /* Russian ISP domains */
  "mail.ru", "rambler.ru", "yandex.ru", "ya.ru", "list.ru",
  /* Belgian ISP domains */
  "hotmail.be", "live.be", "skynet.be", "voo.be", "tvcablenet.be", "telenet.be",
  /* Argentinian ISP domains */
  "hotmail.com.ar", "live.com.ar", "yahoo.com.ar", "fibertel.com.ar", "speedy.com.ar", "arnet.com.ar",
  /* Domains used in Mexico */
  "hotmail.com", "gmail.com", "yahoo.com.mx", "live.com.mx", "yahoo.com",
  "hotmail.es", "live.com", "hotmail.com.mx", "prodigy.net.mx", "msn.com"
];


var aCompetitorBlockList = [
  "Ibm.com", "Tibco.com", "Mulesoft.com", "Ca.com", "Softwareag.com", "Seeburger.com",
  "Talend.com", "Informatica.com", "Akana.com", "3scale.com", "Apigee.com", "Opentext.com",
  "Snaplogic.com", "Layer7.com", "Gxs.com", "Liaison.com", "Okta.com", "Coviscnt.com",
  "Mashery.com", "Google.com", "Cloud-elements.com", "Boomi.com", "Sap.com",
  "Apiary.com", "WSO2.com", "Digitalml.com", "Mashape.com", "Sensedia.com"
];

var aPersonalCompetitorBlockList = [];
for (var i = 0; i < aBlockList.length; i++) {
  aPersonalCompetitorBlockList.push(aBlockList[i].toUpperCase());
};

var aCapitalCompetitorBlockList = [];
for (var i = 0; i < aCompetitorBlockList.length; i++) {
  aCapitalCompetitorBlockList.push(aCompetitorBlockList[i].toUpperCase());
};

g_fnCustomValidationFcn = ValidateDomain;

function ValidateDomain() {
  var cErrorMsg1 = 'Registration requires a valid business email address, please try again.';
  var cErrorMsg2 = 'Your email domain was not approved for registration.  Please try again.';
  var oResponse = document.getElementById('response');

  var oForm = document.forms[0];
  var cRoleValue = oForm.UDF1007.value;
  var cFormEmail = oForm.EMailAddress.value.split('@');
  var cDomainValue = ReturnDomain(cFormEmail[1].toUpperCase());

  var bCompetitorCheckForSubDomain = SubDomainCheck(aCapitalCompetitorBlockList, cDomainValue);
  var bPersonalCheckForSubDomain = SubDomainCheck(aPersonalCompetitorBlockList, cDomainValue);

  if (bCompetitorCheckForSubDomain) {
    oResponse.innerHTML = cErrorMsg2;
    return false;
  } else if (bPersonalCheckForSubDomain && cRoleValue !== "Developer") {
    oResponse.innerHTML = cErrorMsg1;
    return false;
  }

  return true;
} //end ValidateEmail()

function ReturnDomain(cEmailAddress) {
  return /\w+\.+(com|net|fm|fr|de|ru|be|es|(co+\.+(jp|uk|kr|id|in|))|(com+\.+(sg|ph|ar|mx))|(net+\.+(mx)))$/gi.exec(cEmailAddress)[0];
}

function SubDomainCheck(aBlockList, cDomainValue) {
  for (var i = 0; i < aBlockList.length; i++) {
    if (cDomainValue == aBlockList[i]) return true;
  };
  return false;
};