Reddit B64 Decoder

Decode Base64-encoded text in Reddit posts and convert URLs to clickable links.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Reddit B64 Decoder
// @namespace    https://greasyfork.org/es/scripts/476028
// @version      1.5.5
// @description  Decode Base64-encoded text in Reddit posts and convert URLs to clickable links.
// @author       Shu2Ouma
// @icon         https://www.redditstatic.com/shreddit/assets/favicon/192x192.png
// @license      MIT
// @match        https://new.reddit.com/r/*
// @match        https://old.reddit.com/r/*
// @match        https://www.reddit.com/r/*
// @grant        none
// ==/UserScript==

// Mapa de íconos con nombre de página y URL del ícono
const iconMap = {
  'mediafire.com': { name: 'Mediafire', iconUrl: 'https://img.icons8.com/?size=512&id=IYtT6OXWgtB2&format=png' },
  'mega.nz': { name: 'MEGA', iconUrl: 'https://img.icons8.com/?size=512&id=doAYX1PwPI9p&format=png' },
  '1fichier.com': { name: '1Fichier', iconUrl: 'https://i.imgur.com/rcwgt7W.png' },
  'youtube.com': { name: 'YouTube', iconUrl: 'https://img.icons8.com/?size=512&id=19318&format=png' },
  'youtu.be': { name: 'YouTube', iconUrl: 'https://img.icons8.com/?size=512&id=19318&format=png' },
  'reddit.com': { name: 'Reddit', iconUrl: 'https://img.icons8.com/?size=512&id=FLisMqR76b1i&format=png' },
  'bilibili.com': { name: 'Bilibili', iconUrl: 'https://img.icons8.com/?size=512&id=5E24fZ9ORelo&format=png' },
  'video.twimg.com': { name: 'Twitter', iconUrl: 'https://img.icons8.com/?size=512&id=yoQabS8l0qpr&format=png' },
  'twitter.com': { name: 'Twitter', iconUrl: 'https://img.icons8.com/?size=512&id=yoQabS8l0qpr&format=png' },
  'x.com': { name: 'Twitter', iconUrl: 'https://img.icons8.com/?size=512&id=yoQabS8l0qpr&format=png' },
  'drive.google.com': { name: 'Google Drive', iconUrl: 'https://img.icons8.com/?size=512&id=ya4CrqO7PgnY&format=png' },
  'filecrypt.cc': { name: 'Filecrypt', iconUrl: 'https://img.icons8.com/?size=512w&id=I2lKi8lyTaJD&format=png' },
  'qiwi.gg': { name: 'Qiwi', iconUrl: 'https://img.icons8.com/?size=512w&id=BEvy82loG811&format=png' },
  'telegram.org': { name: 'Telegram', iconUrl: 'https://img.icons8.com/?size=512&id=63306&format=png' },
  't.me': { name: 'Telegram', iconUrl: 'https://img.icons8.com/?size=512&id=63306&format=png' },
  'image': { name: 'Imagen', iconUrl: 'https://img.icons8.com/?size=512&id=42840&format=png' },
  'default': { name: 'Enlace', iconUrl: 'https://img.icons8.com/?size=512w&id=n9d0Hm43JCPK&format=png' }
};

// Función para decodificar texto codificado en Base64 y convertir URLs en íconos clicables
function decodeBase64AndLinkify(text) {
  const base64Regex = /([A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)*/g;

  return text.replace(base64Regex, match => {
    try {
      const decoded = atob(match);
      if (decoded.includes('https://') || decoded.includes('http://')) {
        return decoded.replace(/(https?:\/\/[^\s<]+)/g, url => {
          try {
            const { hostname, pathname } = new URL(url);
            const cleanedHostname = hostname.replace('www.', '');

            // Determinar si es una URL de imagen
            const isImage = /\.(jpg|jpeg|png|gif|webp|svg|bmp|tiff|ico)$/i.test(pathname);

            const icon = isImage ? iconMap['image'] : iconMap[cleanedHostname] || iconMap['default'];
            if (icon) {
              return `<a href="${url}" target="_blank" rel="noreferrer noopener" style="text-decoration: none; display: inline-flex; align-items: center; line-height: 20px;">
                        <span style="position: relative; display: inline-block;">
                          <img src="${icon.iconUrl}" alt="${icon.name}" style="width: 20px; height: 20px; position: absolute; left: 0; top: 50%; transform: translateY(-50%);" />
                          <span style="padding-left: 24px; line-height: 20px;">${icon.name}</span>
                        </span>
                      </a><br>`;
            } else {
              return `<a href="${url}" target="_blank" rel="noreferrer noopener" style="text-decoration: underline; text-underline-offset: 2px;">${url}</a><br>`;
            }
          } catch (urlError) {
            console.error(`Error processing URL: ${url}`, urlError);
            return `${url}<br>`;
          }
        });
      }
    } catch (error) {
      console.error(`Error decoding Base64: ${match}`, error);
    }
    return match;
  });
}

// Función para procesar el contenido en función del tipo de página de Reddit
function processRedditPosts() {
  const url = window.location.href;
  let postContents;

  if (url.includes('new.reddit.com')) {
    // new.reddit.com
    postContents = document.querySelectorAll('.rpBJOHq2PR60pnwJlUyP0 p, .uI_hDmU5GSiudtABRz_37 p');
  } else if (url.includes('old.reddit.com')) {
    // old.reddit.com
    postContents = document.querySelectorAll('div.md p');
  } else {
    // www.reddit.com
    postContents = document.querySelectorAll('p');
  }

  if (postContents.length > 0) {
    postContents.forEach(post => {
      const decodedText = decodeBase64AndLinkify(post.textContent);
      if (decodedText !== post.textContent) {
        post.innerHTML = decodedText;
      }
    });
  } else {
    console.warn('No se encontró contenido para procesar.');
  }
}

// Función para inicializar el proceso
function setupScript() {
  // Procesar el contenido inicial
  initialProcess();

  // Configurar el observer para observar cambios en el DOM
  setupMutationObserver();
}

// Función para procesar el contenido inicial de la página
function initialProcess() {
  setTimeout(processRedditPosts, 1500); // Ajusta el tiempo según sea necesario
}

// Función para configurar el observador de cambios en el DOM
function setupMutationObserver() {
  const observer = new MutationObserver(mutations => {
    mutations.forEach(mutation => {
      if (mutation.type === 'childList') {
        processRedditPosts();
      }
    });
  });
  observer.observe(document.body, { childList: true, subtree: true });
}

// Ejecutar el script al cargar la página
setupScript();