Differentiates between good and bad pop-ups by monitoring user interactions and dynamically added content. Aggressively blocks unwanted pop-ups while allowing user-initiated ones. Prompts user to blacklist sites when pop-ups are blocked. Press Alt+0 to remove the site and its subdomains from both the whitelist and blacklist.
// ==UserScript==
// @name Refined Popup Blocker
// @namespace http://tampermonkey.net/
// @version 2.7.5
// @description Differentiates between good and bad pop-ups by monitoring user interactions and dynamically added content. Aggressively blocks unwanted pop-ups while allowing user-initiated ones. Prompts user to blacklist sites when pop-ups are blocked. Press Alt+0 to remove the site and its subdomains from both the whitelist and blacklist.
// @match *://*/*
// @grant GM_getValue
// @grant GM_setValue
// @run-at document-start
// @license MIT
// ==/UserScript==
(function () {
'use strict';
const LOG_PREFIX = '[Tampermonkey Popup Blocker]';
let userInitiated = false;
let blacklistedWebsites = getBlacklistedWebsites();
let whitelistedWebsites = getWhitelistedWebsites();
let promptedWebsites = new Set(); // Track prompted websites for the session
function log(message) {
console.log(`${LOG_PREFIX} ${message}`);
}
function getBlacklistedWebsites() {
try {
return new Set(JSON.parse(GM_getValue('blacklistedWebsites', '[]')));
} catch (e) {
log('Error parsing blacklist from storage: ' + e);
return new Set();
}
}
function getWhitelistedWebsites() {
try {
return new Set(JSON.parse(GM_getValue('whitelistedWebsites', '[]')));
} catch (e) {
log('Error parsing whitelist from storage: ' + e);
return new Set();
}
}
function saveBlacklistedWebsites(blacklistedWebsites) {
GM_setValue('blacklistedWebsites', JSON.stringify([...blacklistedWebsites]));
log('Blacklist saved');
}
function saveWhitelistedWebsites(whitelistedWebsites) {
GM_setValue('whitelistedWebsites', JSON.stringify([...whitelistedWebsites]));
log('Whitelist saved');
}
function addToBlacklist(hostname) {
blacklistedWebsites.add(hostname);
saveBlacklistedWebsites(blacklistedWebsites);
log(`Added ${hostname} to blacklist`);
}
function addToWhitelist(hostname) {
whitelistedWebsites.add(hostname);
saveWhitelistedWebsites(whitelistedWebsites);
log(`Added ${hostname} to whitelist`);
}
function removeFromLists(hostname) {
let foundInBlacklist = false;
let foundInWhitelist = false;
blacklistedWebsites.forEach(site => {
if (hostname.endsWith(site) || site.endsWith(hostname)) {
blacklistedWebsites.delete(site);
foundInBlacklist = true;
}
});
whitelistedWebsites.forEach(site => {
if (hostname.endsWith(site) || site.endsWith(hostname)) {
whitelistedWebsites.delete(site);
foundInWhitelist = true;
}
});
saveBlacklistedWebsites(blacklistedWebsites);
saveWhitelistedWebsites(whitelistedWebsites);
return { foundInBlacklist, foundInWhitelist };
}
function isBlacklisted(url) {
try {
const parsedUrl = new URL(url, location.origin);
const hostname = parsedUrl.hostname;
for (let site of blacklistedWebsites) {
if (hostname.endsWith(site)) {
return true;
}
}
return false;
} catch (e) {
log('Error checking blacklist: ' + e);
return false;
}
}
function isWhitelisted(url) {
try {
const parsedUrl = new URL(url, location.origin);
const hostname = parsedUrl.hostname;
for (let site of whitelistedWebsites) {
if (hostname.endsWith(site)) {
return true;
}
}
return false;
} catch (e) {
log('Error checking whitelist: ' + e);
return false;
}
}
function allowPopup(url) {
log('Allowed popup: ' + url);
}
function blockPopup(url) {
try {
const parsedUrl = new URL(url, location.origin);
const hostname = parsedUrl.hostname;
log('Blocked popup: ' + url);
if (!blacklistedWebsites.has(hostname) && !whitelistedWebsites.has(hostname) && !promptedWebsites.has(hostname)) {
promptedWebsites.add(hostname);
setTimeout(() => {
if (confirm(`A popup from ${hostname} was blocked. Do you want to block pop-ups from this site in the future?`)) {
addToBlacklist(hostname);
location.reload();
} else {
addToWhitelist(hostname);
location.reload();
}
}, 0);
}
} catch (e) {
log('Error blocking popup: ' + e);
}
}
// Intercept window.open calls
const originalOpen = window.open;
window.open = function (url, name, specs) {
const hostname = new URL(url, location.origin).hostname;
log(`window.open called with url: ${url}`);
if (userInitiated || isWhitelisted(hostname)) {
allowPopup(url);
const newWindow = originalOpen.call(this, url, name, specs);
monitorNewWindow(newWindow);
return newWindow;
} else {
blockPopup(url);
return null;
}
};
function monitorNewWindow(win) {
const interval = setInterval(() => {
try {
if (win.location.href === 'about:blank') {
log('Closed window that navigated to about:blank');
win.close();
clearInterval(interval);
} else if (win.closed) {
clearInterval(interval);
}
} catch (e) {
clearInterval(interval);
}
}, 100);
}
// Listen for user-initiated actions
function setUserInitiated(event) {
userInitiated = true;
log(`User-initiated action detected for element: ${event.target.tagName}, class: ${event.target.className}`);
setTimeout(() => {
userInitiated = false;
log('User-initiated action reset');
}, 1000);
}
document.addEventListener('click', setUserInitiated, true);
document.addEventListener('submit', setUserInitiated, true);
document.addEventListener('keydown', setUserInitiated, true);
// Ensure whitelisted sites are respected
if (isWhitelisted(location.hostname)) {
log(`Site ${location.hostname} is whitelisted. Pop-up blocker is disabled.`);
} else {
// Continue with blocking logic if not whitelisted
const observer = new MutationObserver(function (mutations) {
mutations.forEach(function (mutation) {
mutation.addedNodes.forEach(function (node) {
if (node.tagName === 'IFRAME' || node.tagName === 'SCRIPT') {
const src = node.getAttribute('src');
log(`Dynamically added element: ${node.tagName}, src: ${src}`);
if (!src || src === 'about:blank' || isBlacklisted(src)) {
log(`Blocked dynamically added element: ${node.tagName}, src: ${src}`);
blockPopup(src || 'about:blank');
node.remove();
}
}
});
});
});
observer.observe(document.documentElement, { childList: true, subtree: true });
function blockInlinePopups() {
const open = window.open;
window.open = function (url, name, specs) {
const hostname = new URL(url, location.origin).hostname;
log(`Inline window.open called with url: ${url}`);
if (userInitiated || isWhitelisted(hostname)) {
allowPopup(url);
const newWindow = open.call(this, url, name, specs);
monitorNewWindow(newWindow);
return newWindow;
} else {
blockPopup(url);
return null;
}
};
}
blockInlinePopups();
const iframeObserver = new MutationObserver((mutations) => {
mutations.forEach((mutation) => {
mutation.addedNodes.forEach((node) => {
if (node.tagName === 'IFRAME' && node.src === 'about:blank') {
log('Blocked iframe with src about:blank');
blockPopup('about:blank');
node.remove();
}
});
});
});
iframeObserver.observe(document.documentElement, { childList: true, subtree: true });
function overwriteSuspiciousFunctions() {
const suspiciousFunctions = ['setTimeout', 'setInterval', 'open'];
suspiciousFunctions.forEach((func) => {
const originalFunc = window[func];
window[func] = function (...args) {
log(`${func} called with arguments: ${args}`);
if (typeof args[0] === 'string' && args[0].includes('window.open')) {
log(`Blocked ${func} containing window.open`);
blockPopup('about:blank');
return null;
}
return originalFunc.apply(this, args);
};
});
}
overwriteSuspiciousFunctions();
}
// Listen for Alt+0 keypress to remove site from both lists
document.addEventListener('keydown', (event) => {
if (event.altKey && event.key === '0') {
const hostname = location.hostname;
let { foundInBlacklist, foundInWhitelist } = removeFromLists(hostname);
if (foundInBlacklist || foundInWhitelist) {
alert(`${hostname} and its subdomains have been removed from the ${foundInBlacklist ? 'blacklist' : ''} ${foundInWhitelist ? 'whitelist' : ''}.`);
} else {
let subdomainFound = false;
blacklistedWebsites.forEach(site => {
if (hostname.endsWith(site) || site.endsWith(hostname)) {
blacklistedWebsites.delete(site);
subdomainFound = true;
}
});
whitelistedWebsites.forEach(site => {
if (hostname.endsWith(site) || site.endsWith(hostname)) {
whitelistedWebsites.delete(site);
subdomainFound = true;
}
});
saveBlacklistedWebsites(blacklistedWebsites);
saveWhitelistedWebsites(whitelistedWebsites);
if (subdomainFound) {
alert(`Subdomains of ${hostname} were found and removed.`);
} else {
alert(`${hostname} was not found in the blacklist or whitelist, and no subdomains were found.`);
}
}
}
});
log('Refined Popup Blocker initialized with user interaction and dynamic content monitoring.');
})();