Disable TP-LINK router web interface location redirects and context menu blocking userscript for Greasemonkey

tplink.user.js

// ==UserScript==
// @name        No TP-LINK Lockouts
// @namespace   bo33b
// @description Re-enable router web interface blocked actions.
// @downloadURL https://gist.github.com/bo33b/518688b79ecc98be8e1b/raw/tplink.user.js
// @include     http://192.168.1.1/userRpm/*
// @include     http://www.tp-link.com/resources/simulator/*
// @version     1.0
// @grant       none
// @run-at      document-start
// ==/UserScript==

function interceptScript(ev) {
  var script = ev.target,
      code = script.textContent;
  if (code.contains('.location=') || code.contains('.location =') || code.contains('document.oncontextmenu')) {
      var newScript = document.createElement('script');
      newScript.innerHTML = cleanse(script.innerHTML);
      ev.stopPropagation();
      ev.preventDefault();
      script.parentNode.insertBefore(newScript, script.nextSibling);
      script.parentNode.removeChild(script);
  }
}

function cleanse(script) {
  for (var s = script.split('\n'), l = s.length, i = 0; i < l; i++) {
    if (s[i].contains('.location=') || s[i].contains('.location =') || s[i].contains('document.oncontextmenu')) {
      s[i] = ';';
    }
  }
  return s.join('\n');
}

document.addEventListener("beforescriptexecute", interceptScript, true);