☰

Ptt.cc: I am over 18

9/28/2023, 12:26:04 PM

// ==UserScript==
// @name        Ptt.cc: I am over 18
// @namespace   UserScripts
// @match       https://www.ptt.cc/*
// @grant       none
// @version     0.1.14
// @author      CY Fung
// @license     MIT
// @description 9/28/2023, 12:26:04 PM
// @require     https://cdn.jsdelivr.net/npm/[email protected]/dist/js.cookie.min.js
// @inject-into page
// @run-at      document-start
// ==/UserScript==
(() => {

  function getURL() {
    let p = location.href;
    if (p.includes('ask/over18?')) {
      let q = new URL(p);
      let from = q.searchParams.get('from');
      if (from && typeof from === 'string' && !from.includes('://')) return `${q.origin}${q.searchParams.get('from')}`;
    }
    return p;
  }

  let p1 = Cookies.get('over18', { domain: '' });
  Cookies.set('over18', '1', { expires: 36135, domain: '' });
  let p2 = Cookies.get('over18', { domain: '' });

  let redirection = '';
  if (p1 !== p2) {
    let url = getURL();
    redirection = url;
  } else if (p1 === '1' && p2 === '1') {
    let url = getURL();
    if (url !== location.href) {
      redirection = url;
    }
  }

  if (redirection) {
    let url = redirection;
    if (url.includes('?')) {
      url += '&' + Date.now();
    } else {
      url += '?' + Date.now();
    }
    location.replace(url);
  }

})();