fuck_aggro_gator.user.js

// ==UserScript==
// @name         Fuck Aggro Gator
// @namespace    http://somethingafal.com
// @version      0.1
// @description  FUCK AGGRO GATOR
// @author       Afal
// @match        http://forums.somethingawful.com/*
// @grant        none
// ==/UserScript==
/* jshint -W097 */
'use strict';

// Your code here...

var shorteners = ["j.mp", "bit.ly", "u.to", "bit.do", "bitly.com", "goo.gl", "tr.im"];
var good_ads = [];

function uses_shortener(ad) {
    var i = 0;
    for (;i < shorteners.length; i++) {
        if (ad.href.indexOf(shorteners[i]) !== -1) {
            return true;
        }
    }
    return false;
}

function ad_safety(ad) {
    var safety = "POSSIBLY UNSAFE";
    if (ad.href.indexOf("aggro-gator.com") !== -1) {
        safety = "UNSAFE";
    } else if (!uses_shortener(ad)) {
        safety = "PROBABLY COMPLETELY SAFE";
    }
    return safety;
}

function get_safe_ads() {
    $.ajax({
        type: "GET",
        url: "http://forums.somethingawful.com/adlist.php",
        dataType: 'html',
        success: function(response) {
            var adlist = $(response).find("#adlist")[0];
            [].forEach.call(adlist.children, function (ad) {
                if (ad_safety(ad.children[0]) === "PROBABLY COMPLETELY SAFE") {
                    good_ads.push(ad.children[0]);
                }
            });
            make_ad_safe();
        }
    });
}

function make_ad_safe() {
    var ad = document.getElementById("ad_banner_user");
    var good_ad = good_ads[Math.floor(Math.random() * good_ads.length)];

    if (ad) {
        ad = ad.children[0];
    }

    /*
    if (ad) {
        ad.onclick = function () {
            var warning = "Are you sure you want to click on this ad? It might be Aggro Gator.\n\n";
            var safety = ad_safety(ad);
            warning += "The site it redirects to is " + ad.href;
            warning += "\n\nMaking this site " + safety;
            return confirm(warning);
        };
    }
    */
    
    if (ad) {
        ad.href = good_ad.href;
        ad.children[0].src = good_ad.children[0].src;
    }
}

function main() {
    get_safe_ads();
}

main();