一个看起来基本完成的测试版本，需要测试。

install-ssh-worker/src/index.js

@@ -0,0 +1,57 @@
+const githubUserName = "LamGC";
+const githubInstSshProjectName = "quickly-conf-sshd";
+
+// 一般不用改.
+const baseUrl = `https://${githubUserName.toLowerCase()}.github.io/${githubInstSshProjectName}/`;
+const installScriptUrl = `${baseUrl}/conf-sshd.sh`;
+// 如果出现 Github 无法使用的情况, 可以修改 sshKeyUrl 来变更位置.
+const sshKeyUrl = `https://github.com/${githubUserName}.keys`;
+// 建议在此设置备用的 SSH 公钥, 以防 Github 无法使用.
+const backupSshKeys = ``;
+
+function getUserAgent(request) {
+  return request.headers.get("User-Agent");
+}
+
+export default {
+  async fetch(request, env) {
+    const { pathname } = new URL(request.url);
+    if (pathname === "/ssh.keys") {
+      let response = await fetch(new Request(sshKeyUrl));
+      if (response.ok) {
+        return new Response(response.text(), {
+          headers: {
+            "content-type": "text/plain; charset=utf-8"
+          }
+        });
+      } else {
+        return new Response("Failed to get keys.", {
+          status: 500,
+          statusText: "Failed to get keys",
+          headers: {
+            "content-type": "text/plain; charset=utf-8"
+          }
+        });
+      }
+    } else if (pathname === "/") {
+      const userAgent = getUserAgent(request);
+      if (userAgent.match(/curl|libcurl/) !== null) {
+        return new Response("", {
+          status: 301,
+          statusText: "Redirect",
+          headers: {
+            "Location": installScriptUrl
+          }
+        });
+      } else {
+        return new Response("", {
+          status: 301,
+          statusText: "Redirect",
+          headers: {
+            "Location": baseUrl
+          }
+        });
+      }
+    }
+  }
+}