Add default favicon for any sites that don't have a favicon
// ==UserScript==
// @name Replace Missing Favicon
// @namespace iFantz7E.ReplaceMissingFavicon
// @description Add default favicon for any sites that don't have a favicon
// @version 0.14
// @icon https://i.imgur.com/AI5VsOE.png
// @include *
// @run-at document-start
// @grant GM_xmlhttpRequest
// @connect *
// @copyright 2017, 7-elephant
// ==/UserScript==
// Connect: connect to any icons in link tags
(function ()
{
"use strict";
// jshint multistr:true
function attachOnReady(callback)
{
document.addEventListener("DOMContentLoaded", function (e)
{
callback();
});
}
function getFavicon()
{
var rgxIcon = /icon/i;
var elesLink = document.querySelectorAll("link");
for (var i = 0; i < elesLink.length; i++)
{
var attrRel = elesLink[i].getAttribute("rel");
if(rgxIcon.test(attrRel))
{
return elesLink[i].getAttribute("href") || "";
}
}
return "";
}
function addFavicon()
{
// Default icon from https://s2.googleusercontent.com/s2/favicons?domain=sample
var iconDefault = "data:image/png;base64,\
iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAABs0lEQVR4AWL4//8/RRjO8Iucx+noO0O2qmlbUEnt5r3Juas+\
hsQD6KaG7dqCKPgx72Pe9GIY27btZBrbtm3btm0nO12D7tVXe63jqtqqU/iDw9K58sEruKkngH0DBljOE+T/qqx/Ln718RZO\
Fasxyd3XRbWzlFMxRbgOTx9QWFzHtZlD+aqLb108sOAIAai6+NbHW7lUHaZkDFJt+wp1DG7R1d0b7Z88EOL08oXwjokcOvvU\
xYMjBFCamWP5KjKBjKOpZx2HEPj+Ieod26U+dpg6lK2CIwTQH0oECGT5eHj+IgSueJ5fPaPg6PZrz6DGHiGAISE7QPrIvIKV\
rSvCe2DNHSsehIDatOBna/+OEOgTQE6WAy1AAFiVcf6PhgCGxEvlA9QngLlAQCkLsNWhBZIDz/zg4ggmjHfYxoPGEMPZECW+\
zjwmFk6Ih194y7VHYGOPvEYlTAJlQwI4MEhgTOzZGiNalRpGgsOYFw5lEfTKybgfBtmuTNdI3MrOTAQmYf/DNcAwDeycVjRO\
gZFt18gMso6V5Z8JpcEk2LPKpOAH0/4bKMCAYnuqm7cHOGHJTBRhAEJN9d/t5zCxAAAAAElFTkSuQmCC";
var ele = document.createElement("link");
ele.setAttribute("rel", "icon");
ele.setAttribute("type", "image/png");
ele.setAttribute("href", iconDefault);
document.head.appendChild(ele);
}
function main()
{
if (window !== window.parent)
{
//console.log("iframe");
return;
}
var onloadFavIcon = function(response, b)
{
if (response.status !== 200)
{
console.log("Favicon: Not found - " + (response.finalUrl || "Request error"));
addFavicon();
}
else
{
//console.log("Favicon: Found 200 - " + response.finalUrl);
}
}
var favIcon = getFavicon();
if (!favIcon)
{
GM_xmlhttpRequest(
{
url: "/favicon.ico",
method: "HEAD",
onload: onloadFavIcon,
onerror: onloadFavIcon
});
}
else
{
//console.log(favIcon);
/*
GM_xmlhttpRequest(
{
url: favIcon,
method: "HEAD",
onload: onloadFavIcon,
onerror: onloadFavIcon
});
*/
}
}
attachOnReady(main);
})();
// End