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let hub_host = 'registry-1.docker.io';
const auth_url = 'https://auth.docker.io';
let workers_url = 'https://xxx/';
let 屏蔽爬虫UA = ['netcraft'];
function routeByHosts(host) { const routes = { "quay": "quay.io", "gcr": "gcr.io", "k8s-gcr": "k8s.gcr.io", "k8s": "registry.k8s.io", "ghcr": "ghcr.io", "cloudsmith": "docker.cloudsmith.io", "nvcr": "nvcr.io",
"test": "registry-1.docker.io", };
if (host in routes) return [ routes[host], false ]; else return [ hub_host, true ]; }
const PREFLIGHT_INIT = { headers: new Headers({ 'access-control-allow-origin': '*', 'access-control-allow-methods': 'GET,POST,PUT,PATCH,TRACE,DELETE,HEAD,OPTIONS', 'access-control-max-age': '1728000', }), }
function makeRes(body, status = 200, headers = {}) { headers['access-control-allow-origin'] = '*' return new Response(body, { status, headers }) }
function newUrl(urlStr) { try { return new URL(urlStr) } catch (err) { return null } }
function isUUID(uuid) { const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[4][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i;
return uuidRegex.test(uuid); }
async function nginx() { const text = ` <!DOCTYPE html> <html> <head> <title>Welcome to nginx!</title> <style> body { width: 35em; margin: 0 auto; font-family: Tahoma, Verdana, Arial, sans-serif; } </style> </head> <body> <h1>Welcome to nginx!</h1> <p>If you see this page, the nginx web server is successfully installed and working. Further configuration is required.</p>
<p>For online documentation and support please refer to <a href="http://nginx.org/">nginx.org</a>.<br/> Commercial support is available at <a href="http://nginx.com/">nginx.com</a>.</p>
<p><em>Thank you for using nginx.</em></p> </body> </html> ` return text; }
async function searchInterface() { const text = ` <!DOCTYPE html> <html> <head> <title>Docker Hub Search</title> <style> body { font-family: Arial, sans-serif; display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100vh; margin: 0; background: linear-gradient(to right, rgb(28, 143, 237), rgb(29, 99, 237)); } .logo { margin-bottom: 20px; } .search-container { display: flex; align-items: center; } #search-input { padding: 10px; font-size: 16px; border: 1px solid #ddd; border-radius: 4px; width: 300px; margin-right: 10px; } #search-button { padding: 10px; background-color: rgba(255, 255, 255, 0.2); /* 设置白色,透明度为10% */ border: none; border-radius: 4px; cursor: pointer; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; } #search-button svg { width: 24px; height: 24px; } </style> </head> <body> <div class="logo"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 18" fill="#ffffff" width="100" height="75"> <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> <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> </svg> </div> <div class="search-container"> <input type="text" id="search-input" placeholder="Search Docker Hub"> <button id="search-button"> <svg focusable="false" aria-hidden="true" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg"> <path d="M21 21L16.65 16.65M19 11C19 15.4183 15.4183 19 11 19C6.58172 19 3 15.4183 3 11C3 6.58172 6.58172 3 11 3C15.4183 3 19 6.58172 19 11Z" stroke="white" fill="none" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"></path> </svg> </button> </div> <script> function performSearch() { const query = document.getElementById('search-input').value; if (query) { window.location.href = '/search?q=' + encodeURIComponent(query); } }
document.getElementById('search-button').addEventListener('click', performSearch); document.getElementById('search-input').addEventListener('keypress', function(event) { if (event.key === 'Enter') { performSearch(); } }); </script> </body> </html> `; return text; }
export default { async fetch(request, env, ctx) { const getReqHeader = (key) => request.headers.get(key);
let url = new URL(request.url); const userAgentHeader = request.headers.get('User-Agent'); const userAgent = userAgentHeader ? userAgentHeader.toLowerCase() : "null"; if (env.UA) 屏蔽爬虫UA = 屏蔽爬虫UA.concat(await ADD(env.UA)); workers_url = `https://${url.hostname}`; const pathname = url.pathname;
const ns = url.searchParams.get('ns'); const hostname = url.searchParams.get('hubhost') || url.hostname; const hostTop = hostname.split('.')[0];
let checkHost; if (ns) { if (ns === 'docker.io') { hub_host = 'registry-1.docker.io'; } else { hub_host = ns; } } else { checkHost = routeByHosts(hostTop); hub_host = checkHost[0]; }
const fakePage = checkHost ? checkHost[1] : false; console.log(`域名头部: ${hostTop}\n反代地址: ${hub_host}\n伪装首页: ${fakePage}`); const isUuid = isUUID(pathname.split('/')[1].split('/')[0]);
if (屏蔽爬虫UA.some(fxxk => userAgent.includes(fxxk)) && 屏蔽爬虫UA.length > 0) { return new Response(await nginx(), { headers: { 'Content-Type': 'text/html; charset=UTF-8', }, }); }
const conditions = [ isUuid, pathname.includes('/_'), pathname.includes('/r/'), pathname.includes('/v2/user'), pathname.includes('/v2/orgs'), pathname.includes('/v2/_catalog'), pathname.includes('/v2/categories'), pathname.includes('/v2/feature-flags'), pathname.includes('search'), pathname.includes('source'), pathname === '/', pathname === '/favicon.ico', pathname === '/auth/profile', ];
if (conditions.some(condition => condition) && (fakePage === true || hostTop == 'docker')) { if (env.URL302) { return Response.redirect(env.URL302, 302); } else if (env.URL) { if (env.URL.toLowerCase() == 'nginx') { return new Response(await nginx(), { headers: { 'Content-Type': 'text/html; charset=UTF-8', }, }); } else return fetch(new Request(env.URL, request)); } else if (url.pathname == '/'){ return new Response(await searchInterface(), { headers: { 'Content-Type': 'text/html; charset=UTF-8', }, }); }
const newUrl = new URL("https://registry.hub.docker.com" + pathname + url.search);
const headers = new Headers(request.headers);
headers.set('Host', 'registry.hub.docker.com');
const newRequest = new Request(newUrl, { method: request.method, headers: headers, body: request.method !== 'GET' && request.method !== 'HEAD' ? await request.blob() : null, redirect: 'follow' });
return fetch(newRequest); }
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: ${url}`); }
if (url.pathname.includes('/token')) { let token_parameter = { headers: { 'Host': 'auth.docker.io', 'User-Agent': getReqHeader("User-Agent"), 'Accept': getReqHeader("Accept"), 'Accept-Language': getReqHeader("Accept-Language"), 'Accept-Encoding': getReqHeader("Accept-Encoding"), 'Connection': 'keep-alive', 'Cache-Control': 'max-age=0' } }; let token_url = auth_url + url.pathname + url.search; return fetch(new Request(token_url, request), token_parameter); }
if ( hub_host == 'registry-1.docker.io' && /^\/v2\/[^/]+\/[^/]+\/[^/]+$/.test(url.pathname) && !/^\/v2\/library/.test(url.pathname)) { url.pathname = '/v2/library/' + url.pathname.split('/v2/')[1]; console.log(`modified_url: ${url.pathname}`); }
url.hostname = hub_host;
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 };
if (request.headers.has("Authorization")) { parameter.headers.Authorization = getReqHeader("Authorization"); }
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")) { return httpHandler(request, new_response_headers.get("Location")); }
let response = new Response(original_text, { status, headers: new_response_headers }); return response; } };
function httpHandler(req, pathname) { const reqHdrRaw = req.headers;
if (req.method === 'OPTIONS' && reqHdrRaw.has('access-control-request-headers') ) { return new Response(null, PREFLIGHT_INIT); }
let rawLen = '';
const reqHdrNew = new Headers(reqHdrRaw);
const refer = reqHdrNew.get('referer');
let urlStr = pathname;
const urlObj = newUrl(urlStr);
const reqInit = { method: req.method, headers: reqHdrNew, redirect: 'follow', body: req.body }; return proxy(urlObj, reqInit, rawLen); }
async function proxy(urlObj, reqInit, rawLen) { const res = await fetch(urlObj.href, reqInit); const resHdrOld = res.headers; const resHdrNew = new Headers(resHdrOld);
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');
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, ','); 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; }
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