password.js

function generatePassword(key, site) {
  var hashObj = new jsSHA(key + site + key, "TEXT");
  return hashObj.getHash("SHA-256", "B64");
}

function breakingChangeAlert() {
  // only show the alert for one year after the update
  if (Math.floor((new Date()).getTime() / 1000) < 1726518238) {
    // add div
    document.getElementById("render_table").insertAdjacentHTML("afterend",
    '<div style="background-color:yellow;width:40vw;"><b>Alert!</b><br />'+
    'As of 2023-09-17, the generation strategy has been changed. To enable compatability mode '+
    '(you probably want to do this for any password made before 2024), '+
    'simply uncheck the "Enable modern generation strategy" box.<br />'+
    'The previous strategy has been deprecated, and <em>may be removed at some point in the future</em>. '+
    'It is highly recommended that you update any passwords that differ from the ones generated by the new strategy.'+
    '<br />For more info, please check out the '+
    '<a target="_blank" href="https://github.com/meta1203/PasswordMaker/blob/master/README.md">README</a>.'+
    '</div>');
  }
}

function domEdit() {
  var key = document.getElementById("key").value;
  var site = document.getElementById("site").value.toLowerCase();
  var ret = "";

  // modern generation strategy
  // changed on 2023-09-17
  // allowing me to make breaking changes while also
  // ensuring backwards compatability for those who need it
  if (document.getElementById("modern-version").checked) {
    site = site.replaceAll(" ", "");
    ret = generatePassword(key, site).substring(0, 16);
    // ensure there is at least one special character in the
    // generated password for improved site compatibility
    if (!ret.includes("+") && !ret.includes("!"))
      ret += "!";
  } else {
    ret = generatePassword(key, site).substring(0, 16);
  }

  document.getElementById("output").value = ret;
  document.getElementById("output").select();
}