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Free you from DouBan restrictions
// ==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/doufree@0.14.0/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);
}
})();