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sputnick-dev/alert_on_non_ascii_url.user.js

Last active August 22, 2016 21:13
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alert_on_non_ascii_url.user.js
// ==UserScript==
// @name alert_on_non_ascii_url
// @namespace sputnick
// @include https://*
// @include http://*
// @version 2
// @grant none
// @run-at document-start
// ==/UserScript==
var hasMoreThanAscii = document.location.href
.split("")
.some(function(char) { return char.charCodeAt(0) > 127;});
// FF chrome
if (hasMoreThanAscii || /^https?:\/\/xn--/.test(document.location.href))
alert(document.location.href+ " have non ASCII characters in URL."+
"\nAre you sure this is not a phishing (Pascal-trap©®™) ?!"+
"\nClose the tab in case of doubt...");
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