DouFree

Free you from DouBan restrictions

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         DouFree
// @namespace    https://github.com/Sec-ant/
// @version      0.14.0
// @author       豆泥@豆瓣
// @description  Free you from DouBan restrictions
// @license      MIT
// @icon         https://www.douban.com/favicon.ico
// @homepage     https://github.com/Sec-ant/doufree
// @homepageURL  https://github.com/Sec-ant/doufree
// @source       https://github.com/Sec-ant/doufree.git
// @supportURL   https://github.com/Sec-ant/doufree/issues
// @match        https://www.douban.com/*
// @match        https://fastly.jsdelivr.net/*
// @webRequest   {"selector":"*/cuphead/sns-static/status/index.*.js","action":{"redirect":"https://fastly.jsdelivr.net/npm/[email protected]/dist/assets/index.3291e.patch.js"}}
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function () {
  'use strict';

  function isValidUrl(str) {
    let url;
    try {
      url = new URL(str);
    } catch {
      return false;
    }
    return ["http:", "https:", "file:", "ftp:"].includes(url.protocol);
  }
  function patchXMLHttpRequest() {
    const OLD_XHR = window.XMLHttpRequest;
    window.XMLHttpRequest = class extends XMLHttpRequest {
      constructor() {
        super();
        return new Proxy(new OLD_XHR(), {
          set(xhr, key, value) {
            if (key in xhr) {
              xhr[key] = value;
            }
            return true;
          },
          get(xhr, key) {
            switch (key) {
              case "responseText": {
                const { responseURL } = xhr;
                switch (true) {
                  case /https:\/\/www\.douban\.com\/j\/status\/comments\?sid=\d+&resp_type=c_dict/.test(
                    responseURL
                  ):
                    return xhr.responseText.replace(
                      /"url":"([^"]+?)","expanded_url":"([^"]+?)"/g,
                      '"url":"$2","expanded_url":"$2"'
                    );
                  case /https:\/\/www\.douban\.com\/j\/(group\/check_content_clean|check_clean_content)/.test(
                    responseURL
                  ):
                    return '{"r":0}';
                  default:
                    return xhr.responseText;
                }
              }
              default: {
                const value = xhr[key];
                if (typeof value === "function") {
                  return (...args) => value.apply(xhr, args);
                }
                return value;
              }
            }
          }
        });
      }
    };
  }
  function expandShortUrl() {
    for (const a of [
      ...document.querySelectorAll(
        'a[href^="https://douc.cc/"]'
      )
    ]) {
      const { href, title, textContent } = a;
      if (title && isValidUrl(title)) {
        a.href = title;
        if (textContent === href) {
          a.textContent = title;
        }
      }
    }
  }
  function replaceDouListUrls() {
    for (const div of [
      ...document.querySelectorAll(
        'div[data-target-type="doulist"]'
      )
    ]) {
      const dataObjectId = div.getAttribute("data-object-id");
      if (dataObjectId === null) {
        return;
      }
      let url;
      switch (div.getAttribute("data-object-kind")) {
        case "1011":
          url = `https://www.douban.com/event/${dataObjectId}/`;
          break;
        case "1012":
          url = `https://www.douban.com/review/${dataObjectId}/`;
          break;
        case "1013":
          url = `https://www.douban.com/group/topic/${dataObjectId}/`;
          break;
        case "1015":
          url = `https://www.douban.com/note/${dataObjectId}/`;
          break;
        case "3055":
          url = `https://www.douban.com/people/x/status/${dataObjectId}/`;
          break;
        default:
          return;
      }
      const linkElement = div.querySelector(
        'div.title > a, p.text > a[href^="https://www.douban.com/doulist"]'
      );
      if (!linkElement) {
        return;
      }
      linkElement.href = url;
      linkElement.target = "_black";
    }
  }
  function removeUnderscoreISearchParam() {
    const replaceStateOriginal = window.history.replaceState;
    window.history.replaceState = (_, __, url) => {
      if (url) {
        const urlObj = new URL(url);
        const urlSearchParams = urlObj.searchParams;
        urlSearchParams.delete("_i");
        urlObj.hash = urlObj.hash.replace(/(&|\?)_i=.*$/, "");
        url = urlObj.toString();
      }
      return replaceStateOriginal.call(window.history, _, __, url);
    };
  }
  function handleWindowLoaded() {
    expandShortUrl();
    replaceDouListUrls();
    window.removeEventListener("load", handleWindowLoaded);
  }
  if (window.location.host === "www.douban.com") {
    removeUnderscoreISearchParam();
    patchXMLHttpRequest();
    window.addEventListener("load", handleWindowLoaded);
  }

})();