Redirect for index route

* Trigger with pull_request_target

* Fix event type

* Remove conditions

.github/workflows/deploy.yaml

@@ -13,15 +13,15 @@ jobs:
     runs-on: ubuntu-latest
     name: Build & Deploy
     steps:
-      - uses: actions/checkout@v2
-      - name: Use Node.js
-        uses: actions/setup-node@v1
-        with:
-          node-version: "12.x"
-      - run: npm install
+      - uses: actions/checkout@v4
       - name: Publish
-        uses: cloudflare/wrangler-action@1.2.0
+        uses: cloudflare/wrangler-action@v3
+        env:
+          CUSTOM_DOMAIN: ${{ secrets.CUSTOM_DOMAIN || 'libcuda.so' }}
         with:
           apiToken: ${{ secrets.CF_API_TOKEN }}
-        env:
-          CF_ACCOUNT_ID: ${{secrets.CF_ACCOUNT_ID}}
+          accountId: ${{secrets.CF_ACCOUNT_ID}}
+          vars:
+            CUSTOM_DOMAIN
+          command: deploy --env production --minify src/index.js
+          environment: production

.gitignore

@@ -1,5 +1,6 @@
 ### cloudflare worker ###
 worker
+.wrangler
 
 # Created by https://www.toptal.com/developers/gitignore/api/osx
 # Edit at https://www.toptal.com/developers/gitignore?templates=osx

README.md

@@ -2,16 +2,19 @@
 
 ![deploy](https://github.com/ciiiii/cloudflare-docker-proxy/actions/workflows/deploy.yaml/badge.svg)
 
-> If you're looking for proxy for helm, maybe you can try [cloudflare-helm-proxy](github.com/ciiiii/cloudflare-helm-proxy).
-
-## Deploy
 [![Deploy to Cloudflare Workers](https://deploy.workers.cloudflare.com/button)](https://deploy.workers.cloudflare.com/?url=https://github.com/ciiiii/cloudflare-docker-proxy)
 
-1. fork this project
-2. modify the link of the above button to your fork url
-3. click the button, you will be redirected to the deploy page
+> If you're looking for proxy for helm, maybe you can try [cloudflare-helm-proxy](https://github.com/ciiiii/cloudflare-helm-proxy).
 
-## Config tutorial
+## Deploy
+
+1. click the "Deploy With Workers" button
+2. follow the instructions to fork and deploy
+3. update routes as you requirement
+
+[![Deploy to Cloudflare Workers](https://deploy.workers.cloudflare.com/button)](https://deploy.workers.cloudflare.com/?url=https://github.com/ciiiii/cloudflare-docker-proxy)
+
+## Routes configuration tutorial
 
 1. use cloudflare worker host: only support proxy one registry
    ```javascript

package.json

@@ -8,11 +8,13 @@
   "devDependencies": {
     "prettier": "^2.4.1",
     "webpack": "^5.65.0",
-    "webpack-cli": "^4.9.1"
+    "webpack-cli": "^4.9.1",
+    "wrangler": "^3.36.0"
   },
   "scripts": {
     "format": "prettier --write '**/*.{js,css,json,md}'",
-    "build": "webpack"
+    "build": "webpack",
+    "dev": "npx wrangler dev src/index.js --env dev"
   },
   "license": "MIT",
   "main": "src/index.js"

src/index.js

@@ -3,13 +3,21 @@ addEventListener("fetch", (event) => {
   event.respondWith(handleRequest(event.request));
 });
 
+const dockerHub = "https://registry-1.docker.io";
+
 const routes = {
-  "docker.libcuda.so": "https://registry-1.docker.io",
-  "quay.libcuda.so": "https://quay.io",
-  "gcr.libcuda.so": "https://gcr.io",
-  "k8s-gcr.libcuda.so": "https://k8s.gcr.io",
-  "ghcr.libcuda.so": "https://ghcr.io",
-  "cloudsmith.libcuda.so": "https://docker.cloudsmith.io",
+  // production
+  ["docker." + CUSTOM_DOMAIN]: dockerHub,
+  ["quay." + CUSTOM_DOMAIN]: "https://quay.io",
+  ["gcr." + CUSTOM_DOMAIN]: "https://gcr.io",
+  ["k8s-gcr." + CUSTOM_DOMAIN]: "https://k8s.gcr.io",
+  ["k8s." + CUSTOM_DOMAIN]: "https://registry.k8s.io",
+  ["ghcr." + CUSTOM_DOMAIN]: "https://ghcr.io",
+  ["cloudsmith." + CUSTOM_DOMAIN]: "https://docker.cloudsmith.io",
+  ["ecr." + CUSTOM_DOMAIN]: "https://public.ecr.aws",
+
+  // staging
+  ["docker-staging." + CUSTOM_DOMAIN]: dockerHub,
 };
 
 function routeByHosts(host) {
@@ -24,32 +32,40 @@ function routeByHosts(host) {
 
 async function handleRequest(request) {
   const url = new URL(request.url);
-  if (url.pathname == "/v2/") {
-    const headers = new Headers();
-    if (MODE == "debug") {
-      headers.set(
-        "Www-Authenticate",
-        `Bearer realm="${LOCAL_ADDRESS}/v2/auth",service="cloudflare-docker-proxy"`
-      );
-    } else {
-      headers.set(
-        "Www-Authenticate",
-        `Bearer realm="https://${url.hostname}/v2/auth",service="cloudflare-docker-proxy"`
-      );
-    }
-    return new Response(JSON.stringify({ message: "UNAUTHORIZED" }), {
-      status: 401,
-      headers: headers,
-    });
+  if (url.pathname == "/") {
+    return Response.redirect(url.protocol + "//" + url.host + "/v2/", 301);
   }
   const upstream = routeByHosts(url.hostname);
   if (upstream === "") {
     return new Response(
       JSON.stringify({
         routes: routes,
-      })
+      }),
+      {
+        status: 404,
+      }
     );
   }
+  const isDockerHub = upstream == dockerHub;
+  const authorization = request.headers.get("Authorization");
+  if (url.pathname == "/v2/") {
+    const newUrl = new URL(upstream + "/v2/");
+    const headers = new Headers();
+    if (authorization) {
+      headers.set("Authorization", authorization);
+    }
+    // check if need to authenticate
+    const resp = await fetch(newUrl.toString(), {
+      method: "GET",
+      headers: headers,
+      redirect: "follow",
+    });
+    if (resp.status === 401) {
+      return responseUnauthorized(url);
+    }
+    return resp;
+  }
+  // get token
   if (url.pathname == "/v2/auth") {
     const newUrl = new URL(upstream + "/v2/");
     const resp = await fetch(newUrl.toString(), {
@@ -64,15 +80,51 @@ async function handleRequest(request) {
       return resp;
     }
     const wwwAuthenticate = parseAuthenticate(authenticateStr);
-    return await fetchToken(wwwAuthenticate, url.searchParams);
+    let scope = url.searchParams.get("scope");
+    // autocomplete repo part into scope for DockerHub library images
+    // Example: repository:busybox:pull => repository:library/busybox:pull
+    if (scope && isDockerHub) {
+      let scopeParts = scope.split(":");
+      if (scopeParts.length == 3 && !scopeParts[1].includes("/")) {
+        scopeParts[1] = "library/" + scopeParts[1];
+        scope = scopeParts.join(":");
+      }
+    }
+    return await fetchToken(wwwAuthenticate, scope, authorization);
   }
+  // redirect for DockerHub library images
+  // Example: /v2/busybox/manifests/latest => /v2/library/busybox/manifests/latest
+  if (isDockerHub) {
+    const pathParts = url.pathname.split("/");
+    if (pathParts.length == 5) {
+      pathParts.splice(2, 0, "library");
+      const redirectUrl = new URL(url);
+      redirectUrl.pathname = pathParts.join("/");
+      return Response.redirect(redirectUrl, 301);
+    }
+  }
+  // foward requests
   const newUrl = new URL(upstream + url.pathname);
   const newReq = new Request(newUrl, {
     method: request.method,
     headers: request.headers,
-    redirect: "follow",
+    // don't follow redirect to dockerhub blob upstream
+    redirect: isDockerHub ? "manual" : "follow",
   });
-  return await fetch(newReq);
+  const resp = await fetch(newReq);
+  if (resp.status == 401) {
+    return responseUnauthorized(url);
+  }
+  // handle dockerhub blob redirect manually
+  if (isDockerHub && resp.status == 307) {
+    const location = new URL(resp.headers.get("Location"));
+    const redirectResp = await fetch(location.toString(), {
+      method: "GET",
+      redirect: "follow",
+    });
+    return redirectResp;
+  }
+  return resp;
 }
 
 function parseAuthenticate(authenticateStr) {
@@ -80,7 +132,7 @@ function parseAuthenticate(authenticateStr) {
   // match strings after =" and before "
   const re = /(?<=\=")(?:\\.|[^"\\])*(?=")/g;
   const matches = authenticateStr.match(re);
-  if (matches === null || matches.length < 2) {
+  if (matches == null || matches.length < 2) {
     throw new Error(`invalid Www-Authenticate Header: ${authenticateStr}`);
   }
   return {
@@ -89,13 +141,36 @@ function parseAuthenticate(authenticateStr) {
   };
 }
 
-async function fetchToken(wwwAuthenticate, searchParams) {
+async function fetchToken(wwwAuthenticate, scope, authorization) {
   const url = new URL(wwwAuthenticate.realm);
   if (wwwAuthenticate.service.length) {
     url.searchParams.set("service", wwwAuthenticate.service);
   }
-  if (searchParams.get("scope")) {
-    url.searchParams.set("scope", searchParams.get("scope"));
+  if (scope) {
+    url.searchParams.set("scope", scope);
   }
-  return await fetch(url, { method: "GET", headers: {} });
+  const headers = new Headers();
+  if (authorization) {
+    headers.set("Authorization", authorization);
+  }
+  return await fetch(url, { method: "GET", headers: headers });
+}
+
+function responseUnauthorized(url) {
+  const headers = new Headers();
+  if (MODE == "debug") {
+    headers.set(
+      "Www-Authenticate",
+      `Bearer realm="http://${url.host}/v2/auth",service="cloudflare-docker-proxy"`
+    );
+  } else {
+    headers.set(
+      "Www-Authenticate",
+      `Bearer realm="https://${url.hostname}/v2/auth",service="cloudflare-docker-proxy"`
+    );
+  }
+  return new Response(JSON.stringify({ message: "UNAUTHORIZED" }), {
+    status: 401,
+    headers: headers,
+  });
 }

wrangler.toml

@@ -1,27 +1,39 @@
 name = "cloudflare-docker-proxy"
-type = "webpack"
-
-account_id = ""
-workers_dev = true
-route = ""
-zone_id = ""
-
-webpack_config = "webpack.config.js"
-compatibility_date = "2021-12-07"
-
+compatibility_date = "2023-12-01"
 
 [dev]
 ip = "0.0.0.0"
 port = 8787
-local_protocol="http"
-upstream_protocol="https"
+local_protocol = "http"
 
-[vars]
-MODE="production"
-LOCAL_ADDRESS=""
-TARGET_UPSTREAM=""
+[env.vars]
+CUSTOM_DOMAIN = "libcuda.so"
 
 [env.dev.vars]
-MODE="debug"
-LOCAL_ADDRESS="http://192.168.50.160:8787"
-TARGET_UPSTREAM="https://registry-1.docker.io"
+MODE = "debug"
+TARGET_UPSTREAM = "https://registry-1.docker.io"
+CUSTOM_DOMAIN = "exmaple.com"
+
+[env.production]
+name = "cloudflare-docker-proxy"
+# routes = [
+#   { pattern = "docker.libcuda.so", custom_domain = true },
+#   { pattern = "quay.libcuda.so", custom_domain = true },
+#   { pattern = "gcr.libcuda.so", custom_domain = true },
+#   { pattern = "k8s-gcr.libcuda.so", custom_domain = true },
+#   { pattern = "k8s.libcuda.so", custom_domain = true },
+#   { pattern = "ghcr.libcuda.so", custom_domain = true },
+#   { pattern = "cloudsmith.libcuda.so", custom_domain = true },
+# ]
+
+[env.production.vars]
+MODE = "production"
+TARGET_UPSTREAM = ""
+
+[env.staging]
+name = "cloudflare-docker-proxy-staging"
+# route = { pattern = "docker-staging.libcuda.so", custom_domain = true }
+
+[env.staging.vars]
+MODE = "staging"
+TARGET_UPSTREAM = ""