t.cn Auto Redirect

Make t.cn a real link shorten service.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         t.cn Auto Redirect / t.cn 自动跳转
// @name:en      t.cn Auto Redirect
// @name:zh-CN   t.cn 自动跳转
// @namespace    https://t.cn/
// @version      0.1.1
// @license MIT
// @description:en  Make t.cn a real link shorten service.
// @description:zh-CN  让 t.cn 成为一个真正的短链接服务
// @author       ericdiao
// @match        *://t.cn/*
// @match        *://weibo.cn/sinaurl*
// @grant        none
// @description Make t.cn a real link shorten service.
// ==/UserScript==

(function() {
    'use strict';

    function isValidUrl(string) {
        try {
            new URL(string);
        } catch (_) {
            return false;
        }
        return true;
    }

    // Find the URL for redirect.
    var url = document.getElementsByClassName('desc')[0].textContent;

    // Do redirection.
    if (isValidUrl(url)) {
        document.getElementsByClassName('open-url')[0].children[0].textContent = "Redirecting...";
        window.location.replace(url);
    } else {
        alert("Userscript: Could not fetch URL for redirection. URL found: " + url);
    }
})();