730 lines
22 KiB
JavaScript
730 lines
22 KiB
JavaScript
// _worker.js
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// Docker镜像仓库主机地址
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let hub_host = 'registry-1.docker.io';
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// Docker认证服务器地址
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const auth_url = 'https://auth.docker.io';
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let 屏蔽爬虫UA = ['netcraft'];
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// 根据主机名选择对应的上游地址
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function routeByHosts(host) {
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// 定义路由表
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const routes = {
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// 生产环境
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"quay": "quay.io",
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"gcr": "gcr.io",
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"k8s-gcr": "k8s.gcr.io",
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"k8s": "registry.k8s.io",
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"ghcr": "ghcr.io",
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"cloudsmith": "docker.cloudsmith.io",
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"nvcr": "nvcr.io",
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// 测试环境
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"test": "registry-1.docker.io",
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};
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if (host in routes) return [routes[host], false];
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else return [hub_host, true];
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}
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/** @type {RequestInit} */
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const PREFLIGHT_INIT = {
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// 预检请求配置
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headers: new Headers({
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'access-control-allow-origin': '*', // 允许所有来源
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'access-control-allow-methods': 'GET,POST,PUT,PATCH,TRACE,DELETE,HEAD,OPTIONS', // 允许的HTTP方法
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'access-control-max-age': '1728000', // 预检请求的缓存时间
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}),
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}
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/**
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* 构造响应
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* @param {any} body 响应体
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* @param {number} status 响应状态码
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* @param {Object<string, string>} headers 响应头
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*/
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function makeRes(body, status = 200, headers = {}) {
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headers['access-control-allow-origin'] = '*' // 允许所有来源
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return new Response(body, { status, headers }) // 返回新构造的响应
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}
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/**
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* 构造新的URL对象
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* @param {string} urlStr URL字符串
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* @param {string} base URL base
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*/
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function newUrl(urlStr, base) {
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try {
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console.log(`Constructing new URL object with path ${urlStr} and base ${base}`);
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return new URL(urlStr, base); // 尝试构造新的URL对象
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} catch (err) {
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console.error(err);
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return null // 构造失败返回null
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}
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}
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async function nginx() {
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const text = `
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<!DOCTYPE html>
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<html>
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<head>
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<title>Welcome to nginx!</title>
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<style>
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body {
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width: 35em;
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margin: 0 auto;
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font-family: Tahoma, Verdana, Arial, sans-serif;
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}
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</style>
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</head>
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<body>
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<h1>Welcome to nginx!</h1>
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<p>If you see this page, the nginx web server is successfully installed and
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working. Further configuration is required.</p>
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<p>For online documentation and support please refer to
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<a href="http://nginx.org/">nginx.org</a>.<br/>
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Commercial support is available at
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<a href="http://nginx.com/">nginx.com</a>.</p>
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<p><em>Thank you for using nginx.</em></p>
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</body>
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</html>
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`
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return text;
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}
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async function searchInterface() {
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const html = `
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<!DOCTYPE html>
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<html>
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<head>
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<title>Docker Hub 镜像搜索</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<style>
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:root {
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--github-color: rgb(27,86,198);
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--github-bg-color: #ffffff;
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--primary-color: #0066ff;
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--primary-dark: #0052cc;
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--gradient-start: #1a90ff;
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--gradient-end: #003eb3;
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--text-color: #ffffff;
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--shadow-color: rgba(0,0,0,0.1);
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--transition-time: 0.3s;
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}
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* {
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box-sizing: border-box;
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margin: 0;
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padding: 0;
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}
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body {
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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min-height: 100vh;
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margin: 0;
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background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
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padding: 20px;
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color: var(--text-color);
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overflow-x: hidden;
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}
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.container {
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text-align: center;
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width: 100%;
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max-width: 800px;
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padding: 20px;
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margin: 0 auto;
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display: flex;
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flex-direction: column;
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justify-content: center;
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min-height: 60vh;
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animation: fadeIn 0.8s ease-out;
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}
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@keyframes fadeIn {
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from { opacity: 0; transform: translateY(20px); }
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to { opacity: 1; transform: translateY(0); }
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}
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.github-corner {
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position: fixed;
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top: 0;
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right: 0;
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z-index: 999;
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transition: transform var(--transition-time) ease;
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}
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.github-corner:hover {
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transform: scale(1.08);
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}
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.github-corner svg {
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fill: var(--github-bg-color);
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color: var(--github-color);
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position: absolute;
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top: 0;
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border: 0;
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right: 0;
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width: 80px;
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height: 80px;
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filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.2));
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}
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.logo {
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margin-bottom: 20px;
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transition: transform var(--transition-time) ease;
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animation: float 6s ease-in-out infinite;
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}
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@keyframes float {
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0%, 100% { transform: translateY(0); }
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50% { transform: translateY(-10px); }
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}
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.logo:hover {
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transform: scale(1.08) rotate(5deg);
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}
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.logo svg {
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filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.2));
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}
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.title {
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color: var(--text-color);
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font-size: 2.3em;
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margin-bottom: 10px;
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text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
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font-weight: 700;
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letter-spacing: -0.5px;
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animation: slideInFromTop 0.5s ease-out 0.2s both;
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}
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@keyframes slideInFromTop {
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from { opacity: 0; transform: translateY(-20px); }
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to { opacity: 1; transform: translateY(0); }
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}
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.subtitle {
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color: rgba(255, 255, 255, 0.9);
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font-size: 1.1em;
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margin-bottom: 25px;
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max-width: 600px;
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margin-left: auto;
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margin-right: auto;
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line-height: 1.4;
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animation: slideInFromTop 0.5s ease-out 0.4s both;
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}
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.search-container {
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display: flex;
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align-items: stretch;
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width: 100%;
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max-width: 600px;
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margin: 0 auto;
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height: 55px;
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position: relative;
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animation: slideInFromBottom 0.5s ease-out 0.6s both;
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box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
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border-radius: 12px;
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overflow: hidden;
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}
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@keyframes slideInFromBottom {
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from { opacity: 0; transform: translateY(20px); }
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to { opacity: 1; transform: translateY(0); }
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}
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#search-input {
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flex: 1;
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padding: 0 20px;
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font-size: 16px;
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border: none;
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outline: none;
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transition: all var(--transition-time) ease;
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height: 100%;
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}
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#search-input:focus {
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padding-left: 25px;
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}
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#search-button {
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width: 60px;
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background-color: var(--primary-color);
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border: none;
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cursor: pointer;
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transition: all var(--transition-time) ease;
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height: 100%;
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display: flex;
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align-items: center;
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justify-content: center;
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position: relative;
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}
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#search-button svg {
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transition: transform 0.3s ease;
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stroke: white;
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}
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#search-button:hover {
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background-color: var(--primary-dark);
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}
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#search-button:hover svg {
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transform: translateX(2px);
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}
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#search-button:active svg {
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transform: translateX(4px);
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}
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.tips {
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color: rgba(255, 255, 255, 0.8);
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margin-top: 20px;
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font-size: 0.9em;
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animation: fadeIn 0.5s ease-out 0.8s both;
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transition: transform var(--transition-time) ease;
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}
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.tips:hover {
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transform: translateY(-2px);
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}
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@media (max-width: 768px) {
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.container {
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padding: 20px 15px;
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min-height: 60vh;
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}
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.title {
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font-size: 2em;
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}
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.subtitle {
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font-size: 1em;
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margin-bottom: 20px;
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}
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.search-container {
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height: 50px;
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}
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}
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@media (max-width: 480px) {
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.container {
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padding: 15px 10px;
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min-height: 60vh;
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}
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.github-corner svg {
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width: 60px;
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height: 60px;
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}
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.search-container {
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height: 45px;
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}
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#search-input {
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padding: 0 15px;
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}
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#search-button {
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width: 50px;
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}
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#search-button svg {
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width: 18px;
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height: 18px;
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}
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.title {
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font-size: 1.7em;
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margin-bottom: 8px;
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}
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.subtitle {
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font-size: 0.95em;
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margin-bottom: 18px;
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}
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}
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</style>
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</head>
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<body>
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<a href="https://github.com/cmliu/CF-Workers-docker.io" target="_blank" class="github-corner" aria-label="View source on Github">
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<svg viewBox="0 0 250 250" aria-hidden="true">
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<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
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<path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path>
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<path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path>
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</svg>
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</a>
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<div class="container">
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<div class="logo">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 18" fill="#ffffff" width="110" height="85">
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<path d="M23.763 6.886c-.065-.053-.673-.512-1.954-.512-.32 0-.659.03-1.01.087-.248-1.703-1.651-2.533-1.716-2.57l-.345-.2-.227.328a4.596 4.596 0 0 0-.611 1.433c-.23.972-.09 1.884.403 2.666-.596.331-1.546.418-1.744.42H.752a.753.753 0 0 0-.75.749c-.007 1.456.233 2.864.692 4.07.545 1.43 1.355 2.483 2.409 3.13 1.181.725 3.104 1.14 5.276 1.14 1.016 0 2.03-.092 2.93-.266 1.417-.273 2.705-.742 3.826-1.391a10.497 10.497 0 0 0 2.61-2.14c1.252-1.42 1.998-3.005 2.553-4.408.075.003.148.005.221.005 1.371 0 2.215-.55 2.68-1.01.505-.5.685-.998.704-1.053L24 7.076l-.237-.19Z"></path>
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<path d="M2.216 8.075h2.119a.186.186 0 0 0 .185-.186V6a.186.186 0 0 0-.185-.186H2.216A.186.186 0 0 0 2.031 6v1.89c0 .103.083.186.185.186Zm2.92 0h2.118a.185.185 0 0 0 .185-.186V6a.185.185 0 0 0-.185-.186H5.136A.185.185 0 0 0 4.95 6v1.89c0 .103.083.186.186.186Zm2.964 0h2.118a.186.186 0 0 0 .185-.186V6a.186.186 0 0 0-.185-.186H8.1A.185.185 0 0 0 7.914 6v1.89c0 .103.083.186.186.186Zm2.928 0h2.119a.185.185 0 0 0 .185-.186V6a.185.185 0 0 0-.185-.186h-2.119a.186.186 0 0 0-.185.186v1.89c0 .103.083.186.185.186Zm-5.892-2.72h2.118a.185.185 0 0 0 .185-.186V3.28a.186.186 0 0 0-.185-.186H5.136a.186.186 0 0 0-.186.186v1.89c0 .103.083.186.186.186Zm2.964 0h2.118a.186.186 0 0 0 .185-.186V3.28a.186.186 0 0 0-.185-.186H8.1a.186.186 0 0 0-.186.186v1.89c0 .103.083.186.186.186Zm2.928 0h2.119a.185.185 0 0 0 .185-.186V3.28a.186.186 0 0 0-.185-.186h-2.119a.186.186 0 0 0-.185.186v1.89c0 .103.083.186.185.186Zm0-2.72h2.119a.186.186 0 0 0 .185-.186V.56a.185.185 0 0 0-.185-.186h-2.119a.186.186 0 0 0-.185.186v1.89c0 .103.083.186.185.186Zm2.955 5.44h2.118a.185.185 0 0 0 .186-.186V6a.185.185 0 0 0-.186-.186h-2.118a.185.185 0 0 0-.185.186v1.89c0 .103.083.186.185.186Z"></path>
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</svg>
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</div>
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<h1 class="title">Docker Hub 镜像搜索</h1>
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<p class="subtitle">快速查找、下载和部署 Docker 容器镜像</p>
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<div class="search-container">
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<input type="text" id="search-input" placeholder="输入关键词搜索镜像，如: nginx, mysql, redis...">
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<button id="search-button" title="搜索">
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<svg width="20" height="20" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
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<path d="M13 5l7 7-7 7M5 5l7 7-7 7" stroke-linecap="round" stroke-linejoin="round"></path>
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</svg>
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</button>
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</div>
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<p class="tips">基于 Cloudflare Workers / Pages 构建，利用全球边缘网络实现毫秒级响应。</p>
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</div>
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<script>
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function performSearch() {
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const query = document.getElementById('search-input').value;
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if (query) {
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window.location.href = '/search?q=' + encodeURIComponent(query);
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}
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}
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document.getElementById('search-button').addEventListener('click', performSearch);
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document.getElementById('search-input').addEventListener('keypress', function(event) {
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if (event.key === 'Enter') {
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performSearch();
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}
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});
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// 添加焦点在搜索框
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window.addEventListener('load', function() {
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document.getElementById('search-input').focus();
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});
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</script>
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</body>
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</html>
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`;
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return html;
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}
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export default {
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async fetch(request, env, ctx) {
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const getReqHeader = (key) => request.headers.get(key); // 获取请求头
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let url = new URL(request.url); // 解析请求URL
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const userAgentHeader = request.headers.get('User-Agent');
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const userAgent = userAgentHeader ? userAgentHeader.toLowerCase() : "null";
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if (env.UA) 屏蔽爬虫UA = 屏蔽爬虫UA.concat(await ADD(env.UA));
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const workers_url = `https://${url.hostname}`;
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// 获取请求参数中的 ns
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const ns = url.searchParams.get('ns');
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const hostname = url.searchParams.get('hubhost') || url.hostname;
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const hostTop = hostname.split('.')[0]; // 获取主机名的第一部分
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let checkHost; // 在这里定义 checkHost 变量
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// 如果存在 ns 参数，优先使用它来确定 hub_host
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if (ns) {
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if (ns === 'docker.io') {
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hub_host = 'registry-1.docker.io'; // 设置上游地址为 registry-1.docker.io
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} else {
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hub_host = ns; // 直接使用 ns 作为 hub_host
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}
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} else {
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checkHost = routeByHosts(hostTop);
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hub_host = checkHost[0]; // 获取上游地址
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}
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const fakePage = checkHost ? checkHost[1] : false; // 确保 fakePage 不为 undefined
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console.log(`域名头部: ${hostTop} 反代地址: ${hub_host} searchInterface: ${fakePage}`);
|
|
// 更改请求的主机名
|
|
url.hostname = hub_host;
|
|
const hubParams = ['/v1/search', '/v1/repositories'];
|
|
if (屏蔽爬虫UA.some(fxxk => userAgent.includes(fxxk)) && 屏蔽爬虫UA.length > 0) {
|
|
// 首页改成一个nginx伪装页
|
|
return new Response(await nginx(), {
|
|
headers: {
|
|
'Content-Type': 'text/html; charset=UTF-8',
|
|
},
|
|
});
|
|
} else if ((userAgent && userAgent.includes('mozilla')) || hubParams.some(param => url.pathname.includes(param))) {
|
|
if (url.pathname == '/') {
|
|
if (env.URL302) {
|
|
return Response.redirect(env.URL302, 302);
|
|
} else if (env.URL) {
|
|
if (env.URL.toLowerCase() == 'nginx') {
|
|
//首页改成一个nginx伪装页
|
|
return new Response(await nginx(), {
|
|
headers: {
|
|
'Content-Type': 'text/html; charset=UTF-8',
|
|
},
|
|
});
|
|
} else return fetch(new Request(env.URL, request));
|
|
} else {
|
|
if (fakePage) return new Response(await searchInterface(), {
|
|
headers: {
|
|
'Content-Type': 'text/html; charset=UTF-8',
|
|
},
|
|
});
|
|
}
|
|
} else {
|
|
// 新增逻辑：/v1/ 路径特殊处理
|
|
if (url.pathname.startsWith('/v1/')) {
|
|
url.hostname = 'index.docker.io';
|
|
} else if (fakePage) {
|
|
url.hostname = 'hub.docker.com';
|
|
}
|
|
if (url.searchParams.get('q')?.includes('library/') && url.searchParams.get('q') != 'library/') {
|
|
const search = url.searchParams.get('q');
|
|
url.searchParams.set('q', search.replace('library/', ''));
|
|
}
|
|
const newRequest = new Request(url, request);
|
|
return fetch(newRequest);
|
|
}
|
|
}
|
|
|
|
// 修改包含 %2F 和 %3A 的请求
|
|
if (!/%2F/.test(url.search) && /%3A/.test(url.toString())) {
|
|
let modifiedUrl = url.toString().replace(/%3A(?=.*?&)/, '%3Alibrary%2F');
|
|
url = new URL(modifiedUrl);
|
|
console.log(`handle_url: ${url}`);
|
|
}
|
|
|
|
// 处理token请求
|
|
if (url.pathname.includes('/token')) {
|
|
let token_parameter = {
|
|
headers: {
|
|
'Host': 'auth.docker.io',
|
|
'User-Agent': getReqHeader("User-Agent"),
|
|
'Accept': getReqHeader("Accept"),
|
|
'Accept-Language': getReqHeader("Accept-Language"),
|
|
'Accept-Encoding': getReqHeader("Accept-Encoding"),
|
|
'Connection': 'keep-alive',
|
|
'Cache-Control': 'max-age=0'
|
|
}
|
|
};
|
|
let token_url = auth_url + url.pathname + url.search;
|
|
return fetch(new Request(token_url, request), token_parameter);
|
|
}
|
|
|
|
// 修改 /v2/ 请求路径
|
|
if (hub_host == 'registry-1.docker.io' && /^\/v2\/[^/]+\/[^/]+\/[^/]+$/.test(url.pathname) && !/^\/v2\/library/.test(url.pathname)) {
|
|
//url.pathname = url.pathname.replace(/\/v2\//, '/v2/library/');
|
|
url.pathname = '/v2/library/' + url.pathname.split('/v2/')[1];
|
|
console.log(`modified_url: ${url.pathname}`);
|
|
}
|
|
|
|
// 新增：/v2/、/manifests/、/blobs/、/tags/ 先获取token再请求
|
|
if (
|
|
url.pathname.startsWith('/v2/') &&
|
|
(
|
|
url.pathname.includes('/manifests/') ||
|
|
url.pathname.includes('/blobs/') ||
|
|
url.pathname.includes('/tags/')
|
|
|| url.pathname.endsWith('/tags/list')
|
|
)
|
|
) {
|
|
// 提取镜像名
|
|
let repo = '';
|
|
const v2Match = url.pathname.match(/^\/v2\/(.+?)(?:\/(manifests|blobs|tags)\/)/);
|
|
if (v2Match) {
|
|
repo = v2Match[1];
|
|
}
|
|
if (repo) {
|
|
const tokenUrl = `${auth_url}/token?service=registry.docker.io&scope=repository:${repo}:pull`;
|
|
const tokenRes = await fetch(tokenUrl, {
|
|
headers: {
|
|
'User-Agent': getReqHeader("User-Agent"),
|
|
'Accept': getReqHeader("Accept"),
|
|
'Accept-Language': getReqHeader("Accept-Language"),
|
|
'Accept-Encoding': getReqHeader("Accept-Encoding"),
|
|
'Connection': 'keep-alive',
|
|
'Cache-Control': 'max-age=0'
|
|
}
|
|
});
|
|
const tokenData = await tokenRes.json();
|
|
const token = tokenData.token;
|
|
let parameter = {
|
|
headers: {
|
|
'Host': hub_host,
|
|
'User-Agent': getReqHeader("User-Agent"),
|
|
'Accept': getReqHeader("Accept"),
|
|
'Accept-Language': getReqHeader("Accept-Language"),
|
|
'Accept-Encoding': getReqHeader("Accept-Encoding"),
|
|
'Connection': 'keep-alive',
|
|
'Cache-Control': 'max-age=0',
|
|
'Authorization': `Bearer ${token}`
|
|
},
|
|
cacheTtl: 3600
|
|
};
|
|
if (request.headers.has("X-Amz-Content-Sha256")) {
|
|
parameter.headers['X-Amz-Content-Sha256'] = getReqHeader("X-Amz-Content-Sha256");
|
|
}
|
|
let original_response = await fetch(new Request(url, request), parameter);
|
|
let original_response_clone = original_response.clone();
|
|
let original_text = original_response_clone.body;
|
|
let response_headers = original_response.headers;
|
|
let new_response_headers = new Headers(response_headers);
|
|
let status = original_response.status;
|
|
if (new_response_headers.get("Www-Authenticate")) {
|
|
let auth = new_response_headers.get("Www-Authenticate");
|
|
let re = new RegExp(auth_url, 'g');
|
|
new_response_headers.set("Www-Authenticate", response_headers.get("Www-Authenticate").replace(re, workers_url));
|
|
}
|
|
if (new_response_headers.get("Location")) {
|
|
const location = new_response_headers.get("Location");
|
|
console.info(`Found redirection location, redirecting to ${location}`);
|
|
return httpHandler(request, location, hub_host);
|
|
}
|
|
let response = new Response(original_text, {
|
|
status,
|
|
headers: new_response_headers
|
|
});
|
|
return response;
|
|
}
|
|
}
|
|
|
|
// 构造请求参数
|
|
let parameter = {
|
|
headers: {
|
|
'Host': hub_host,
|
|
'User-Agent': getReqHeader("User-Agent"),
|
|
'Accept': getReqHeader("Accept"),
|
|
'Accept-Language': getReqHeader("Accept-Language"),
|
|
'Accept-Encoding': getReqHeader("Accept-Encoding"),
|
|
'Connection': 'keep-alive',
|
|
'Cache-Control': 'max-age=0'
|
|
},
|
|
cacheTtl: 3600 // 缓存时间
|
|
};
|
|
|
|
// 添加Authorization头
|
|
if (request.headers.has("Authorization")) {
|
|
parameter.headers.Authorization = getReqHeader("Authorization");
|
|
}
|
|
|
|
// 添加可能存在字段X-Amz-Content-Sha256
|
|
if (request.headers.has("X-Amz-Content-Sha256")) {
|
|
parameter.headers['X-Amz-Content-Sha256'] = getReqHeader("X-Amz-Content-Sha256");
|
|
}
|
|
|
|
// 发起请求并处理响应
|
|
let original_response = await fetch(new Request(url, request), parameter);
|
|
let original_response_clone = original_response.clone();
|
|
let original_text = original_response_clone.body;
|
|
let response_headers = original_response.headers;
|
|
let new_response_headers = new Headers(response_headers);
|
|
let status = original_response.status;
|
|
|
|
// 修改 Www-Authenticate 头
|
|
if (new_response_headers.get("Www-Authenticate")) {
|
|
let auth = new_response_headers.get("Www-Authenticate");
|
|
let re = new RegExp(auth_url, 'g');
|
|
new_response_headers.set("Www-Authenticate", response_headers.get("Www-Authenticate").replace(re, workers_url));
|
|
}
|
|
|
|
// 处理重定向
|
|
if (new_response_headers.get("Location")) {
|
|
const location = new_response_headers.get("Location");
|
|
console.info(`Found redirection location, redirecting to ${location}`);
|
|
return httpHandler(request, location, hub_host);
|
|
}
|
|
|
|
// 返回修改后的响应
|
|
let response = new Response(original_text, {
|
|
status,
|
|
headers: new_response_headers
|
|
});
|
|
return response;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* 处理HTTP请求
|
|
* @param {Request} req 请求对象
|
|
* @param {string} pathname 请求路径
|
|
* @param {string} baseHost 基地址
|
|
*/
|
|
function httpHandler(req, pathname, baseHost) {
|
|
const reqHdrRaw = req.headers;
|
|
|
|
// 处理预检请求
|
|
if (req.method === 'OPTIONS' &&
|
|
reqHdrRaw.has('access-control-request-headers')
|
|
) {
|
|
return new Response(null, PREFLIGHT_INIT);
|
|
}
|
|
|
|
let rawLen = '';
|
|
|
|
const reqHdrNew = new Headers(reqHdrRaw);
|
|
|
|
reqHdrNew.delete("Authorization"); // 修复s3错误
|
|
|
|
const refer = reqHdrNew.get('referer');
|
|
|
|
let urlStr = pathname;
|
|
|
|
const urlObj = newUrl(urlStr, 'https://' + baseHost);
|
|
|
|
/** @type {RequestInit} */
|
|
const reqInit = {
|
|
method: req.method,
|
|
headers: reqHdrNew,
|
|
redirect: 'follow',
|
|
body: req.body
|
|
};
|
|
return proxy(urlObj, reqInit, rawLen);
|
|
}
|
|
|
|
/**
|
|
* 代理请求
|
|
* @param {URL} urlObj URL对象
|
|
* @param {RequestInit} reqInit 请求初始化对象
|
|
* @param {string} rawLen 原始长度
|
|
*/
|
|
async function proxy(urlObj, reqInit, rawLen) {
|
|
const res = await fetch(urlObj.href, reqInit);
|
|
const resHdrOld = res.headers;
|
|
const resHdrNew = new Headers(resHdrOld);
|
|
|
|
// 验证长度
|
|
if (rawLen) {
|
|
const newLen = resHdrOld.get('content-length') || '';
|
|
const badLen = (rawLen !== newLen);
|
|
|
|
if (badLen) {
|
|
return makeRes(res.body, 400, {
|
|
'--error': `bad len: ${newLen}, except: ${rawLen}`,
|
|
'access-control-expose-headers': '--error',
|
|
});
|
|
}
|
|
}
|
|
const status = res.status;
|
|
resHdrNew.set('access-control-expose-headers', '*');
|
|
resHdrNew.set('access-control-allow-origin', '*');
|
|
resHdrNew.set('Cache-Control', 'max-age=1500');
|
|
|
|
// 删除不必要的头
|
|
resHdrNew.delete('content-security-policy');
|
|
resHdrNew.delete('content-security-policy-report-only');
|
|
resHdrNew.delete('clear-site-data');
|
|
|
|
return new Response(res.body, {
|
|
status,
|
|
headers: resHdrNew
|
|
});
|
|
}
|
|
|
|
async function ADD(envadd) {
|
|
var addtext = envadd.replace(/[ |"'\r\n]+/g, ',').replace(/,+/g, ','); // 将空格、双引号、单引号和换行符替换为逗号
|
|
if (addtext.charAt(0) == ',') addtext = addtext.slice(1);
|
|
if (addtext.charAt(addtext.length - 1) == ',') addtext = addtext.slice(0, addtext.length - 1);
|
|
const add = addtext.split(',');
|
|
return add;
|
|
}
|