// ==UserScript==
// @name         Twitter/X Nitter Redirect
// @version      1.0
// @description  Redirect twitter.com and x.com links to a random healthy Nitter instance.
// @author       yodaluca23
// @license      GNU GPLv3
// @match        *://twitter.com/*
// @match        *://www.twitter.com/*
// @match        *://x.com/*
// @match        *://www.x.com/*
// @grant        GM_xmlhttpRequest
// @namespace http://tampermonkey.net/
// ==/UserScript==
(function() {
'use strict';
const staticURL = ''; // Set this to an instance if you always want to use a single Nitter instance instead of fetching from API.
const apiUrl = 'https://status.d420.de/api/v1/instances';
const profileURLPattern = /^https?:\/\/(www\.)?(twitter\.com|x\.com)\/[A-Za-z0-9_]+(\/.*)?$/;
let currentURL = window.location.href;
function fetchNitterInstance(callback) {
GM_xmlhttpRequest({
method: 'GET',
url: apiUrl,
onload: function(response) {
try {
const data = JSON.parse(response.responseText);
if (!data.hosts || !Array.isArray(data.hosts)) {
console.error('Unexpected API response format:', data);
return;
}
const healthyInstances = data.hosts.filter(host => host.healthy && !host.is_bad_host);
if (healthyInstances.length > 0) {
const randomInstance = healthyInstances[Math.floor(Math.random() * healthyInstances.length)];
callback(randomInstance.domain);
} else {
console.warn('No healthy Nitter instances found.');
}
} catch (error) {
console.error('Failed to parse Nitter instance data:', error, response.responseText);
}
},
onerror: function(error) {
console.error('Error fetching Nitter instances:', error);
}
});
}
function redirectToNitter(nitterDomain) {
if (profileURLPattern.test(currentURL)) {
let newURL = currentURL.replace(/(twitter\.com|x\.com)/, nitterDomain);
console.log('Redirecting to:', newURL);
if (newURL !== currentURL) {
window.location.replace(newURL);
}
} else {
console.log('URL does not match profile pattern, no redirection.');
}
}
if (staticURL.length > 1) {
redirectToNitter(staticURL);
} else {
fetchNitterInstance(redirectToNitter);
}
})();