fix(node/http): add encrypted field to FakeSocket (#19886)

Fixes #19557

cli/tests/unit_node/http_test.ts

@@ -637,7 +637,9 @@ Deno.test("[node/http] HTTPS server", async () => {
   const server = https.createServer({
     cert: Deno.readTextFileSync("cli/tests/testdata/tls/localhost.crt"),
     key: Deno.readTextFileSync("cli/tests/testdata/tls/localhost.key"),
-  }, (_req, res) => {
+  }, (req, res) => {
+    // @ts-ignore: It exists on TLSSocket
+    assert(req.socket.encrypted);
     res.end("success!");
   });
   server.listen(() => {
@@ -664,7 +666,9 @@ Deno.test(
   { permissions: { net: true } },
   async () => {
     const promise = deferred();
-    const server = http.createServer((_req, res) => {
+    const server = http.createServer((req, res) => {
+      // @ts-ignore: It exists on TLSSocket
+      assert(!req.socket.encrypted);
       res.writeHead(200, { "Content-Type": "text/plain" });
       res.end("okay");
     });

ext/node/polyfills/http.ts

@@ -278,6 +278,7 @@ class FakeSocket extends EventEmitter {
     super();
     this.remoteAddress = opts.hostname;
     this.remotePort = opts.port;
+    this.encrypted = opts.encrypted;
   }
 
   setKeepAlive() {}
@@ -561,7 +562,7 @@ class ClientRequest extends OutgoingMessage {
         this.onSocket(createConnection(optsWithoutSignal));
       }
     }*/
-    this.onSocket(new FakeSocket());
+    this.onSocket(new FakeSocket({ encrypted: this._encrypted }));
 
     const url = this._createUrlStrFromOptions();
 
@@ -1306,7 +1307,10 @@ export class ServerResponse extends NodeWritable {
     return status === 101 || status === 204 || status === 205 || status === 304;
   }
 
-  constructor(resolve: (value: Response | PromiseLike<Response>) => void) {
+  constructor(
+    resolve: (value: Response | PromiseLike<Response>) => void,
+    socket: FakeSocket,
+  ) {
     let controller: ReadableByteStreamController;
     const readable = new ReadableStream({
       start(c) {
@@ -1349,7 +1353,7 @@ export class ServerResponse extends NodeWritable {
     });
     this.#readable = readable;
     this.#resolve = resolve;
-    this.socket = new FakeSocket();
+    this.socket = socket;
   }
 
   setHeader(name: string, value: string) {
@@ -1438,7 +1442,7 @@ export class IncomingMessageForServer extends NodeReadable {
   // These properties are used by `npm:forwarded` for example.
   socket: { remoteAddress: string; remotePort: number };
 
-  constructor(req: Request, remoteAddr: { hostname: string; port: number }) {
+  constructor(req: Request, socket: FakeSocket) {
     // Check if no body (GET/HEAD/OPTIONS/...)
     const reader = req.body?.getReader();
     super({
@@ -1465,10 +1469,7 @@ export class IncomingMessageForServer extends NodeReadable {
     // url: (new URL(request.url).pathname),
     this.url = req.url?.slice(req.url.indexOf("/", 8));
     this.method = req.method;
-    this.socket = new FakeSocket({
+    this.socket = socket;
-      remoteAddress: remoteAddr.hostname,
-      remotePort: remoteAddr.port,
-    });
     this.#req = req;
   }
 
@@ -1572,7 +1573,12 @@ export class ServerImpl extends EventEmitter {
   _serve() {
     const ac = new AbortController();
     const handler = (request: Request, info: Deno.ServeHandlerInfo) => {
-      const req = new IncomingMessageForServer(request, info.remoteAddr);
+      const socket = new FakeSocket({
+        remoteAddress: info.remoteAddr.hostname,
+        remotePort: info.remoteAddr.port,
+        encrypted: this._encrypted,
+      });
+      const req = new IncomingMessageForServer(request, socket);
       if (req.upgrade && this.listenerCount("upgrade") > 0) {
         const { conn, response } = upgradeHttpRaw(request);
         const socket = new Socket({
@@ -1582,7 +1588,7 @@ export class ServerImpl extends EventEmitter {
         return response;
       } else {
         return new Promise<Response>((resolve): void => {
-          const res = new ServerResponse(resolve);
+          const res = new ServerResponse(resolve, socket);
           this.emit("request", req, res);
         });
       }

ext/node/polyfills/https.ts

@@ -50,6 +50,8 @@ export class Server extends HttpServer {
         : this._opts.key,
     };
   }
+
+  _encrypted = true;
 }
 export function createServer(opts, requestListener?: ServerHandler) {
   return new Server(opts, requestListener);
@@ -110,6 +112,7 @@ const globalAgent = new Agent({
 
 /** HttpsClientRequest class loosely follows http.ClientRequest class API. */
 class HttpsClientRequest extends ClientRequest {
+  override _encrypted: true;
   override defaultProtocol = "https:";
   override _getClient(): Deno.HttpClient | undefined {
     if (caCerts === null) {