AutoLogin_for_VexForums.tamper.js

AutoLogin_for_VexForums.tamper.js

// ==UserScript==
// @name         AutoLogin for VexForums
// @namespace    MattMoran
// @version      1.0.0
// @description  VexForums logs itself out frequently. It's a PITA.
// @updateURL    https://gist.githubusercontent.com/DarkMatterMatt/d9092fea491c7de5bebf7b1c4cee10af/raw/
// @author       Matt Moran
// @copyright    Matt Moran 2017
// @match        https://www.vexforum.com/*
// ==/UserScript==

(function() {
    "use strict";
    // if not logged in, log in
    if ($(".item-login")[0]) {
        var url = window.location.href;

        // if not on login page, click on login link
        if (!url.startsWith("https://www.vexforum.com/index.php/user/login?return=")) {
            //var currentPage = url.substring(url.indexOf("/index.php/") + 11); // + 11 to exclude /index.php/
            //window.location = "https://www.vexforum.com/index.php/user/login?return=" + encodeURI(currentPage);
            $(".item-login a")[0].click();
        }
        else {
            if (localStorage.getItem("autologin_username")) {
                if (!$("input[name='username']").val()) {
                    $("input[name='username']").val(localStorage.getItem("autologin_username"));
                }
                if (!$("input[name='password']").val()) {
                    $("input[name='password']").val(window.atob(localStorage.getItem("autologin_password")));
                }
                $("input[name='remember']").prop("checked", true);
                $("form").submit();
            }
            else {
                var elem = $(".sheetContent");
                var css = `
                    scroll: auto;
                    z-index: 1;
                    color: black;
                    background-color: white;
                    padding: 1em;
                    position: absolute;
                    top:    ${elem.offset().top}px;
                    left:   ${elem.offset().left}px;
                    height: ${elem.outerHeight()}px;
                    width:  ${elem.outerWidth()}px;`;
                var intro_html = `
                    <div id="autologin" style="${css}">
                        <h3>AutoLogin for VexForums</h3>
                        <p>
                            When you login your username and password will be saved in <a href="https://www.w3schools.com/html/html5_webstorage.asp">HTML5 Local Storage</a> <i>in a plain-text format</i>.
                        </p>
                        <p>
                            <strong>Do not use this script on public computers.</strong>
                        </p>
                        <p>
                            If you do not accept this then uninstall the <i>AutoLogin for VexForums</i> Tampermonkey script before logging in.
                            <button id="autologin_btn">I have read and understand the information above</button><br>
                        </p>
                        <span style="position: relative; bottom: 0; font-size: 0.7em; color: #999">&copy; Matt Moran 2017</span>
                    </div>
                `;
                $("body").append(intro_html);
                $("#autologin_btn").one("click", () => {
                    $("#autologin").remove();
                    $("form").on("submit", () => {
                        localStorage.setItem("autologin_username", $("input[name='username']").val());
                        localStorage.setItem("autologin_password", window.btoa($("input[name='password']").val()));
                    });
                });
            }
        }
    }
})();