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Updated 4.2.1 User Scripts (markdown)

earthlng 2020-02-12 10:31:08 +00:00
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4.2.1-User-Scripts.md

@ -32,51 +32,3 @@ if (window.opener !== null) {
console.warn('Cleared window.opener @ ' + document.location.toString()); console.warn('Cleared window.opener @ ' + document.location.toString());
} }
``` ```
---
### :small_orange_diamond: Conceal window.name
* Author: [earthlng](https://github.com/earthlng)
* Description: See [bugzilla 444222](https://bugzilla.mozilla.org/show_bug.cgi?id=444222)
* Test: [JonDonym](http://ip-check.info/?lang=en)
* Note: you need to add `http://ip-check.info/?lang=en` as an exception. This is the landing page with the "Test" link on it.
```js
// ==UserScript==
// @name Conceal window.name
// @version 2.0
// @match http://*/*
// @match https://*/*
// @exclude /^https://www\.google\.com/recaptcha/api2/(?:anchor|frame)\?.+$/
// @run-at document-start
// @namespace ghacksuserjs
// @grant GM.notification
// ==/UserScript==
const windowNames = new WeakMap();
const unsafeWindow = window.wrappedJSObject;
const descriptor = Object.getOwnPropertyDescriptor(unsafeWindow, 'name');
const originalget = descriptor.get;
const originalset = descriptor.set;
const fakeobj = {
get name() {
const originalName = originalget.apply(this);
const returnedName = windowNames.get(window) || '';
if (originalName !== returnedName)
GM.notification('Intercepted read access to window.name "'+originalName+'" from '+window.location);
return returnedName;
},
set name(newname) {
originalset.apply(this, window.Array.from(arguments));
windowNames.set(window, newname);
}
};
descriptor.get = exportFunction(Object.getOwnPropertyDescriptor(fakeobj, 'name').get, window);
descriptor.set = exportFunction(Object.getOwnPropertyDescriptor(fakeobj, 'name').set, window);
Reflect.defineProperty(unsafeWindow, 'name', descriptor);
```