Imgur Redirect (Bypass UK Block)

Redirect all links from imgur to a version on a Rimgo instance

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         Imgur Redirect (Bypass UK Block)
// @namespace    https://www.tampermonkey.net/
// @version      1.3
// @description  Redirect all links from imgur to a version on a Rimgo instance
// @author       zy
// @icon         data:image/png;base64,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
// @match        *://*.imgur.com/*
// @match        https://imgur.com/*
// @match        https://i.imgur.com/*
// @match        https://imgur.io/*
// @match        https://*.imgur.io/*
// @match        *://*/*
// @exclude      https://imgur.com/user/*
// @exclude      https://imgur.com/signin
// @exclude      https://imgur.com/register
// @exclude      https://imgur.com/arcade
// @exclude      https://imgur.com/upload
// @exclude      https://imgur.com/meme-generator
// @exclude      https://imgur.com/privacy
// @exclude      https://imgur.com/rules
// @exclude      https://imgur.com/emerald
// @exclude      https://imgur.com/ccpa
// @exclude      https://imgur.com/tos
// @exclude      https://imgur.com/about
// @exclude      https://imgur.com/apps
// @grant        none
// @run-at       document-start
// @license      MIT
// ==/UserScript==

(function () {
  'use strict';

  const redirectHost = 'https://rimgo.reallyaweso.me/';

  function rewriteImgurUrl(url) {
    if (!url || typeof url !== 'string') return null;
    if (url.startsWith(redirectHost)) return null;

    if (/^https?:\/\/i\.imgur\.com\//.test(url)) {
      return url.replace(/^https?:\/\/i\.imgur\.com\//, redirectHost);
    }
    if (/^https?:\/\/imgur\.com\//.test(url)) {
      return url.replace(/^https?:\/\/imgur\.com\//, redirectHost);
    }
    if (/^\/\/i\.imgur\.com\//.test(url)) {
      return url.replace(/^\/\//, 'https://').replace(/^https?:\/\/i\.imgur\.com\//, redirectHost);
    }
    if (/imgur\.com/.test(url)) {
      try {
        const u = new URL(url, location.href);
        if (u.hostname.endsWith('imgur.com') || u.hostname.endsWith('imgur.io')) {
          return redirectHost + u.pathname.replace(/^\//, '') + (u.search || '');
        }
      } catch (e) {
        // ignore invalid URL parsing
      }
    }
    return null;
  }

  function processImageElement(img) {
    try {
      if (!(img instanceof HTMLImageElement)) return;
      const newSrc = rewriteImgurUrl(img.src);
      if (newSrc) {
        img.setAttribute('src', newSrc);
      }
    } catch (err) {
      console.error('processImageElement error', err);
    }
  }

  function processNodeRecursively(node) {
    if (!node || node.nodeType !== Node.ELEMENT_NODE) return;
    if (node.tagName === 'IMG') {
      processImageElement(node);
      return;
    }
    const imgs = node.querySelectorAll ? node.querySelectorAll('img') : [];
    imgs.forEach(processImageElement);
  }

  function rewriteAllImages() {
    document.querySelectorAll('img').forEach(processImageElement);
  }

  function attachObserver() {
    const target = document.body || document.documentElement;
    if (!target) {
      setTimeout(attachObserver, 50);
      return;
    }

    const observer = new MutationObserver(mutations => {
      for (const m of mutations) {
        // handle added nodes (subtrees)
        if (m.addedNodes && m.addedNodes.length) {
          m.addedNodes.forEach(node => processNodeRecursively(node));
        }
        // handle attribute changes (e.g., src changed)
        if (m.type === 'attributes' && m.target) {
          const t = m.target;
          if (t.tagName === 'IMG' && m.attributeName === 'src') {
            processImageElement(t);
          }
        }
      }
    });

    observer.observe(target, {
      childList: true,
      subtree: true,
      attributes: true,
      attributeFilter: ['src']
    });
  }

  function redirectPageIfImgur() {
    const href = location.href;
    if (!/https?:\/\/(i\.)?imgur\.com/.test(href)) return;
    try {
      const newUrl = rewriteImgurUrl(href);
      if (newUrl && newUrl !== href) {
        location.replace(newUrl);
      }
    } catch (err) {
      console.error('Redirect failed:', err);
    }
  }

  redirectPageIfImgur();

  if (document.readyState === 'loading') {
    window.addEventListener('DOMContentLoaded', rewriteAllImages, { once: true });
  } else {
    rewriteAllImages();
  }

  attachObserver();
})();