feat(server): add an embedded ACME directory server and certificate authority with challenge, order, and certificate endpoints

ts_server/server.handlers.directory.ts

@@ -0,0 +1,30 @@
+import type * as http from 'node:http';
+import type { IAcmeDirectory } from '../ts/acme/acme.interfaces.js';
+
+/**
+ * GET /directory — Returns the ACME directory object with all endpoint URLs.
+ */
+export function createDirectoryHandler(baseUrl: string) {
+  return async (
+    _req: http.IncomingMessage,
+    res: http.ServerResponse,
+    _params: Record<string, string>,
+    _body: any,
+  ): Promise<void> => {
+    const directory: IAcmeDirectory = {
+      newNonce: `${baseUrl}/new-nonce`,
+      newAccount: `${baseUrl}/new-account`,
+      newOrder: `${baseUrl}/new-order`,
+      revokeCert: `${baseUrl}/revoke-cert`,
+      keyChange: `${baseUrl}/key-change`,
+      meta: {
+        termsOfService: `${baseUrl}/terms`,
+        website: `${baseUrl}`,
+        caaIdentities: [],
+        externalAccountRequired: false,
+      },
+    };
+    res.writeHead(200, { 'Content-Type': 'application/json' });
+    res.end(JSON.stringify(directory));
+  };
+}