const hub_host = "registry-1.docker.io"; const auth_url = "https://auth.docker.io"; const workers_url = "https://hub.rat.dev"; const banned_list = []; export default { async fetch(request) { const url = new URL(request.url); const getReqHeader = (key) => request.headers.get(key); if (url.pathname === '/') { return index(); } if (banned_list.some((word) => url.pathname.includes(word))) { return new Response("this image is not allowed", { status: 403 }); } if (url.pathname === '/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' }, cf: { cacheTtlByStatus: { "200-299": 120, "404": 10, "500-599": 3 } } }; let token_url = auth_url + url.pathname + url.search return fetch(new Request(token_url, request), token_parameter) } 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' }, redirect: "follow", cf: { cacheTtlByStatus: { "200-299": 2592000, 404: 10, "500-599": 3 }, }, }; if (request.headers.has("Authorization")) { parameter.headers.Authorization = getReqHeader("Authorization"); } let res = await fetch(new Request(url, request), parameter); res = new Response(res.body, res); if (res.headers.has("Www-Authenticate")) { let auth = res.headers.get("Www-Authenticate"); let re = new RegExp(auth_url, "g"); res.headers.set( "Www-Authenticate", res.headers.get("Www-Authenticate").replace(re, workers_url) ); } return res; }, }; async function index() { return new Response( ` Hub Proxy

Hub Proxy

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本站开启 UA 白名单，如果您的客户端无法拉取镜像可向我们反馈

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`, { headers: { "Content-Type": "text/html", "Cache-Control": "public, max-age=2592000", }, cf: { cacheTtl: 2592000, cacheEverything: true, }, } ); }