Log time and targeted host

Dockerfile

@@ -2,6 +2,7 @@ FROM node:lts-alpine
 USER node
 WORKDIR /app
 ENV NODE_ENV production
+ENV TZ Europe/Warsaw
 COPY --chown=node:node index.mjs ./
 EXPOSE 3000
 CMD ["node", "./index.mjs"]

index.mjs

@@ -2,13 +2,20 @@ import { createServer } from 'node:http';
 import { clearInterval, setInterval } from 'node:timers';
 
 const server = createServer((req, res) => {
+  const connOpenDate = new Date();
+  const attacker = req.headers['x-forwarded-for'];
+  const host = req.headers['x-targeted-host'];
+
   console.log(
-    `Caught ${req.headers['x-forwarded-for']} on ${req.method} ${req.url}`
+    `[${connOpenDate.toLocaleString()}] ${attacker} targeted ${host} on ${
+      req.method
+    } ${req.url}`
   );
 
-  let msg = ':) you are an idiot hahahahaha :)';
+  const msg = ':) you are an idiot hahahahaha :)';
   let charIdx = 0;
-  let intervalId = setInterval(() => {
+
+  const intervalId = setInterval(() => {
     if (charIdx === msg.length) {
       charIdx = 0;
       res.write('\n');
@@ -17,7 +24,16 @@ const server = createServer((req, res) => {
     }
   }, 3000);
 
-  res.once('close', () => clearInterval(intervalId));
+  res.once('close', () => {
+    const connCloseDate = new Date();
+    const timeDiff = connCloseDate.getTime() - connOpenDate.getTime();
+    const diffText = new Date(timeDiff).toISOString().substring(11, 19);
+
+    clearInterval(intervalId);
+    console.log(
+      `[${connCloseDate.toLocaleString()}] ${attacker} aborted connection after ${diffText}`
+    );
+  });
 });
 
 server.listen(3000);