// ==UserScript==
// @name         页面隐私保护
// @namespace    No Privacy Spys
// @version      2021.05.01.1
// @description  No Privacy Spys
// @author       PY-DNG
// @include      *
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_deleteValue
// @grant        GM_registerMenuCommand
// @grant        GM_unregisterMenuCommand
// @run-at       document-start
// ==/UserScript==
(function() {
let protectSites;
let canvas, link;
let menuCmdId, timeoutId;
let oriTitle;
const URL_SITE = location.href.match(/^(?:\w+):\/{2,3}(.*?)\//)[1];
const TEXT_PROTECT_TITLE = '后台页面';
const TEXT_PROTECT_TITLE_TIP = '单击页面解除保护';
const TEXT_PROTECT_MENU_ADD = '保护' + URL_SITE;
const TEXT_PROTECT_MENU_DEL = '不保护' + URL_SITE;
const TEXT_ID_CANVAS = 'blurUI';
const PIC_ICON = 'data:image/gif;base64,R0lGODlhgACAAHD/ACH+DGdpZjRqZXZsUCAgIAAh+QQJAAD/ACwAAAAAgACAAIcAaaalusa81OHq6uvSzs336+YAfMHJycrOz9AAbbTe3+Dk29fw7/C0y9jX19gAca0Ad7gAgMTx5N660d7/8+2tw8/z8###4N3P0NEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAI/gD/CRxIsKDBgwgTKvxngYECBwcQSIx44IADBQMsLNzIsaPHjyAXDoBo0YHJkyhNYsBgcUDIlzBjyhxoQcEBDCkV6Nyp8yLKlQcUaJxJtGhRCw5wmuTJtCnPkxgQOBhqtKrVjQ4QKHU6oKvXrwOaJo3q4KrZswIHlLy4E6zbt12fJj3gEq3dmRCX6oTLYACDv34Du8W406TUu4hBUoioF6Pbv5AjS+4LtnDWAxQSa1bIgDFbsJNDT/ZL2WvPuVQ3q/7X+eTer31jAy4NO3Tlh4YZrFbdeevrrpLh8oUsOO7pA7p3I16Ms21t2rd/1yYN2PhDiZmV272pF3bxuGGd/jIFHdn0ce1oV7J17P2r2JSN2VOvHh43AvRXB0j93N487rkVmVTRfvF5FZxxWSmAn1EWaOUccNGd1FJqAlmgH4EPHlgYAhQu+JJ60tFmGUsKcmSTb89RdlpZHsak33pwFRZViR8pIFWG5YWXVV0thsRdiO7Zl1xIDDj4W46FHdBjSAM0J19plmEmU4PNGYjkdTwuydF+R0KJ2wEdhsQcf8ElqWVHRcJIWpAQVUXBjY5peN2QZybkWpzF9YQAnUQ1+JmcCmBAY50IWdSlig8JatZIr01mJqEINcnfmggqeZahcZanZ5aQDoRbo/QlymdVjGZKXGGDdioQpsARp6Ol/mjBOR+ibapKk6zzGYcBp1c9tJecWWVnq6SgVnddYoJiNFpPu9qaVrKtGptoYoZGK62iziZVLK28muWrslea5Ow/Ts6K4KhmMfBnmdM6W621OnKYmJ+mGlurre86eqxmN87al57j5qvpQ7AiVu2yBAd8EbzxbtbvaGFlpXC9/+6bWL/mAuzuwhlbbPDCEHvcKcbs3vsxxXGZ3KnAp4ps18MaSrwxyhpTy3HM9zlL8sAqbwdyyTnbKmu4QSOGwLYVy4zvza72VPBdLNv7NKRRq6g0YlV23DOhQ/M8NVpRI1j0ykx7eTXUSDc8s5W0fn3putKeTfWkZrtt1rvUVTpx/n81n5ypeVvXyepggdp91eB5CjixdPXJDfak/gV+Jqby8RTVZiU9GKXC64nFEuaNWSdhwL4xNbpmnjml0thUK9W5T0BhzqXphhm+pGfwGYaA7VXhnvtEhFog/PADSmT88RUpOfzyzDfv/PPDL1bRSsdXjxnz+KmV/Pbcd+/99+CHL/7433drl/Tki7/7+utHxP6A7hfv/kTvU5Q++AgIa3D67bN/PAEIAODxoiIRAWolKgSkHgGrF0AG7s5+Dxwf686ivfA5cIAJVOBKNohA9YxFPRz8oFbGohUGZsWBFIng9sxnle810IFZSYoMXacSqMjwJzMcSw1xaMMc4kQq/igkwPeoxT3/ScQwJyFQ7pbIxCY6sYcEQmH3iLg9iYSQhk/Mok9co8UunpCA3qNiCj24QS8uxSef6px4zrgiX2VxP0C###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';
//GM_setValue('protectSites', ['www.lianaiyx.com']);
// delete the item we want from the array we choose
function delItem(array, item) {
array.forEach(function(arritem, index, arr) {
if(arritem === item) {
arr.splice(index, 1);
}
})
}
let protect = function(protectAnyway=false) {
// When switching to this tab, show the tip for 3s
if (!(protectAnyway === true) && document.visibilityState !== 'hidden') {
document.title = TEXT_PROTECT_TITLE_TIP;
// Clear previous title changing task
if (timeoutId) {clearTimeout(timeoutId);};
timeoutId = setTimeout(function() {
// After 3s: If still protecting then hide the tip; If not then just don't change anything
document.title = document.title === TEXT_PROTECT_TITLE_TIP ? TEXT_PROTECT_TITLE : document.title;
}, 3000);
return;
};
// Blur GUI
blur();
// Hide title
oriTitle = (document.title !== TEXT_PROTECT_TITLE) && (document.title !== TEXT_PROTECT_TITLE_TIP) ? document.title : oriTitle
document.title = TEXT_PROTECT_TITLE;
// Hide icon
document.head.appendChild(link);
}
let recover = function() {
// Cancel blur GUI
cancelBlur();
// Recover title
document.title = oriTitle;
// Recover icon
if (link.parentElement === document.head) {document.head.removeChild(link);};
// Clear title changing task
if (timeoutId) {clearTimeout(timeoutId);};
}
let config = function() {
// Initialize protectSites
protectSites = GM_getValue('protectSites', '');
if (protectSites === '') {
protectSites = [];
GM_setValue('protectSites', protectSites);
}
}
function cancelBlur() {
document.body.style.filter = 'none';
document.body.style.pointerEvents = 'auto';
document.removeEventListener('blur', GUIonblur);
canvas.style.display = 'none';
}
function blur() {
if (!canvas) {
setTimeout(blur, 100);
return;
}
initGUI();
let b = 0;
document.body.style.filter = 'blur(40px)';
document.body.style.pointerEvents = 'none';
document.addEventListener('blur', GUIonblur);
canvas.style.display = '';
}
function GUIonblur() {
canvas.focus();
}
let initGUI = function() {
if (!link) {
link = document.createElement('link');
link.type = 'image/x-icon';
link.rel = 'shortcut icon';
link.href = PIC_ICON;
//link.href = 'https://www.luogu.com.cn/favicon.ico';
}
if (!canvas) {
canvas = document.createElement('canvas');
canvas.addEventListener('click', recover);
canvas.id = TEXT_ID_CANVAS;
canvas.style.position = 'fixed';
canvas.style.left = 0;
canvas.style.top = 0;
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
canvas.style.display = 'none';
}
if (!document.getElementById(TEXT_ID_CANVAS)) {
document.lastChild.appendChild(canvas);
}
}
let addThisSite = function() {
protectSites.push(URL_SITE);
GM_setValue('protectSites', protectSites);
initGUI();
protect(true);
window.addEventListener('visibilitychange', protect);
GM_unregisterMenuCommand(menuCmdId);
menuCmdId = GM_registerMenuCommand('不保护' + URL_SITE, delThisSite);
}
let delThisSite = function() {
delItem(protectSites, URL_SITE);
GM_setValue('protectSites', protectSites);
recover();
window.removeEventListener('visibilitychange', protect);
GM_unregisterMenuCommand(menuCmdId);
menuCmdId = GM_registerMenuCommand(TEXT_PROTECT_MENU_ADD, addThisSite);
}
let init = function() {
config();
if (protectSites.indexOf(URL_SITE) != -1) {
window.addEventListener('load', initGUI);
window.addEventListener('load', function() {window.addEventListener('visibilitychange', protect);});
window.addEventListener('load', function() {if (document.visibilityState !== 'visible') {protect(true);};})
}
menuCmdId = protectSites.indexOf(URL_SITE) === -1 ? GM_registerMenuCommand(TEXT_PROTECT_MENU_ADD, addThisSite) : GM_registerMenuCommand(TEXT_PROTECT_MENU_DEL, delThisSite);
//menuCmdId = GM_registerMenuCommand((protectSites.indexOf(URL_SITE) === -1 ? TEXT_PROTECT_MENU_ADD : TEXT_PROTECT_MENU_DEL), protectSites.indexOf(URL_SITE) === -1 ? addThisSite : delThisSite);
}
init();
})();
// @version 2020.12.05.1