打开网页时，查询常用的 RSS 后缀并验证是否可用，在网页右下角显示，可一键复制。已适配世界 TOP500 网站及绝大部分网站，此外除常见网站、博客， 添加一些自写规则 BiliBili、GitHub、Twitter（七天内更新）
// ==UserScript==
// @name RSS 订阅链接查找器（扩展版）
// @namespace https://greasyfork.org/users/1171320
// @version 1.15
// @description 打开网页时，查询常用的 RSS 后缀并验证是否可用，在网页右下角显示，可一键复制。已适配世界 TOP500 网站及绝大部分网站，此外除常见网站、博客， 添加一些自写规则 BiliBili、GitHub、Twitter（七天内更新）
// @author yzcjd
// @author2 ChatGPT4 辅助
// @match *://*/*
// @grant GM_xmlhttpRequest
// @grant GM_addStyle
// @grant GM_setClipboard
// @license MIT
// ==/UserScript==
(function () {
'use strict';
if (window.self !== window.top) return;
const rssLinks = new Map();
const possibleRssPaths = [
'/rss', '/feed', '/atom.xml', '/rss.xml', '/feed.xml', '/index.xml',
'/feed.atom', '/rss.json', '/atom', '/index.atom', '/index.rss',
'/?feed=rss', '/?feed=rss2', '/blog/feed', '/blog/rss', '/latest/rss',
'/news/atom', '/feed/index.xml', '/articles/feed', '/rss2',
'/home/rss', '/media/rss', '/feed.rss', '/rss/latest', '/?feed=rss3',
'/rss/1', '/feed1', '/posts.rss', '/news/rss', '/feed?format=rss',
'/latest/rss.xml', '/rss/articles', '/rss/latestposts',
'/rss.json', '/atom.json', '/feed.json', '/news/atom.json', '/rss.xml',
'/api/v1/feed', '/v1/feed', '/user/feed', '/posts/feed',
'/author/feed', '/tag/feed', '/category/feed', '/comments/feed',
'/rss2.0', '/rss2.json', '/atom2.xml', '/topics/feed', '/channel/feed',
'/user/feed', '/subscribe.rss', '/activity/rss', '/site/rss',
'/stream/rss', '/events/rss', '/post/rss', '/recent/rss', '/site-rss',
'/subscribe/feed', '/latest/feed', '/content/rss', '/new-content/rss',
'/trending/feed', '/updates/feed', '/new/rss', '/articles/rss',
'/news/feed', '/breaking/rss', '/info/rss', '/comments.rss',
'/media/rss.xml', '/video/feed', '/video/rss', '/updates/rss', '/global/rss'
];
function addStyle() {
GM_addStyle(`
#rss-finder-toggle {
position: fixed;
bottom: 40px;
right: 20px;
width: 22.5px;
height: 22.5px;
border-radius: 50%;
background: #0078d7;
color: #fff;
font-size: 12px;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
z-index: 9999;
padding: 2px;
user-select: none;
}
#rss-finder-container {
position: fixed;
bottom: 80px;
right: 20px;
background: #fdfdfd;
border: 1px solid #ccc;
padding: 10px;
display: none;
z-index: 9998;
font-family: Arial, sans-serif;
font-size: 14px;
}
#rss-finder-container h4 {
margin: 0 0 5px 0;
font-size: 1em;
}
#rss-finder-list {
list-style: none;
padding: 0;
margin: 0;
}
#rss-finder-list li {
margin-bottom: 5px;
display: flex;
justify-content: space-between;
align-items: center;
font-size: 0.9em;
}
#rss-finder-list li a {
color: blue;
text-decoration: none;
word-break: break-all;
flex-grow: 1;
margin-right: 10px;
}
#rss-finder-list li button {
font-size: 0.6em;
padding: 2px 4px;
cursor: pointer;
border: 1px solid #ccc;
background-color: #f0f0f0;
border-radius: 0;
user-select: none;
color: black;
}
#rss-finder-list li button.success {
background-color: #28a745 !important;
color: white !important;
border-color: #28a745;
}
`);
}
function updateRssList() {
let container = document.getElementById('rss-finder-container');
let toggle = document.getElementById('rss-finder-toggle');
if (!toggle) {
toggle = document.createElement('div');
toggle.id = 'rss-finder-toggle';
document.body.appendChild(toggle);
toggle.addEventListener('click', (e) => {
e.stopPropagation();
const visible = container.style.display === 'block';
container.style.display = visible ? 'none' : 'block';
});
document.addEventListener('click', (e) => {
if (!container.contains(e.target) && !toggle.contains(e.target)) {
container.style.display = 'none';
}
});
}
if (!container) {
container = document.createElement('div');
container.id = 'rss-finder-container';
container.innerHTML = '<h4>可用 RSS 订阅:</h4><ul id="rss-finder-list"></ul>';
document.body.appendChild(container);
}
toggle.textContent = rssLinks.size;
const list = container.querySelector('#rss-finder-list');
list.innerHTML = '';
rssLinks.forEach((label, url) => {
const li = document.createElement('li');
const a = document.createElement('a');
a.href = url;
a.target = '_blank';
a.rel = 'noopener noreferrer';
a.textContent = label ? `[${label}] ${url}` : url;
const copyButton = document.createElement('button');
copyButton.textContent = 'copy';
copyButton.onclick = function () {
GM_setClipboard(url);
copyButton.textContent = 'success';
copyButton.classList.add('success');
setTimeout(() => {
copyButton.textContent = 'copy';
copyButton.classList.remove('success');
}, 1500);
};
li.appendChild(a);
li.appendChild(copyButton);
list.appendChild(li);
});
}
function findRssLinks() {
const links = document.querySelectorAll('link[type*="rss"], link[type*="atom"], link[type="application/feed+json"]');
links.forEach(link => {
const href = link.href || link.getAttribute('href');
if (href) {
rssLinks.set(href, link.title || '');
}
});
possibleRssPaths.forEach(path => {
const base = location.origin || (location.protocol + '//' + location.host);
const url = new URL(path, base).href;
tryRssUrl(url);
});
setTimeout(updateRssList, 800);
}
function tryRssUrl(url) {
GM_xmlhttpRequest({
method: 'GET',
url: url,
headers: { 'Accept': 'application/rss+xml, application/xml, text/xml, */*' },
onload: function (response) {
if (response.status === 200 && /<rss|<feed|<rdf|<channel/i.test(response.responseText)) {
rssLinks.set(url, '');
updateRssList();
}
}
});
}
addStyle();
findRssLinks();
})();