Prevent sites detecting if you're in incognito by calling the success callback of webkitRequestFileSystem even if it's failing.
// ==UserScript==
// @name Incognito trick
// @namespace http://tampermonkey.net/
// @version 0.1
// @description Prevent sites detecting if you're in incognito by calling the success callback of webkitRequestFileSystem even if it's failing.
// @author https://gist.github.com/matyasfodor
// @run-at document-start
// @match *://*/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
function injectScript(script, node) {
var element = document.createElement('script');
element.setAttribute('type', 'text/javascript');
element.setAttribute('async', false);
element.text = script;
node.appendChild(element);
}
var node = document.documentElement;
var script = `(function(webkitRequestFileSystem) {
window.webkitRequestFileSystem = function(type, size, successCallback, errorCallback) {
webkitRequestFileSystem(type, size, successCallback, successCallback);
}
})(window.webkitRequestFileSystem);`;
injectScript(script, node);
})();