IdentityMatrix

extractHems() function - scans all browser storage

function extractHems() {
  var found = []; var seen = new Set();
  var md5Regex = /^[a-f0-9]{32}$/i;
  var sha256Regex = /^[a-f0-9]{64}$/i;
  var emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;

  // Scans cookies
  document.cookie.split(";").forEach(function(cookie) {
    var parts = cookie.trim().split("=");
    var key = parts[0];
    var value = parts[1];
    if (key && value) { addHem("cookie", key, value); }
  });

  // Scans localStorage
  for (var key in localStorage) {
    if (localStorage.hasOwnProperty(key)) {
      var value = localStorage[key];
      if (value) addHem("localStorage", key, value);
    }
  }

  // Scans sessionStorage
  for (var key in sessionStorage) {
    if (sessionStorage.hasOwnProperty(key)) {
      var value = sessionStorage[key];
      if (value) addHem("sessionStorage", key, value);
    }
  }

  VISIT_DATA.hem = found;
}

VISIT_DATA structure - all collected visitor data

var VISIT_DATA = {
  id: getTrackingID(),
  pixelId: null,
  sessionId: getSessionID(),
  domain: window.location.hostname,
  path: window.location.pathname,
  search: window.location.search,
  dateVisit: new Date().toISOString(),
  userAgent: navigator.userAgent,
  referrer: getCookie("im_session_referrer"),
  pageTitle: document.title,
  formData: null,
  hem: [],  // Hashed Email extraction results go here
  timezone: Intl.DateTimeFormat().resolvedOptions().timeZone,
  screenSize: window.screen.width + "x" + window.screen.height,
  viewportSize: window.innerWidth + "x" + window.innerHeight,
  language: navigator.language,
  idleTime: 0,
  clickEvents: [],
  mousePath: []
};