Rename endpoints to be the same as job IDs

api/ports.js

@@ -0,0 +1,89 @@
+const net = require('net');
+const middleware = require('./_common/middleware');
+
+// A list of commonly used ports.
+const PORTS = [
+  20, 21, 22, 23, 25, 53, 80, 67, 68, 69,
+  110, 119, 123, 143, 156, 161, 162, 179, 194,
+  389, 443, 587, 993, 995,
+  3000, 3306, 3389, 5060, 5900, 8000, 8080, 8888
+];
+
+async function checkPort(port, domain) {
+    return new Promise((resolve, reject) => {
+        const socket = new net.Socket();
+
+        socket.setTimeout(1500);
+
+        socket.once('connect', () => {
+            socket.destroy();
+            resolve(port);
+        });
+
+        socket.once('timeout', () => {
+          socket.destroy();
+          reject(new Error(`Timeout at port: ${port}`));
+        });
+
+        socket.once('error', (e) => {
+            socket.destroy();
+            reject(e);
+        });
+        
+        socket.connect(port, domain);
+    });
+}
+
+const handler = async (url, event, context) => {
+  const domain = url.replace(/(^\w+:|^)\/\//, '');
+  
+  const delay = ms => new Promise(res => setTimeout(res, ms));
+  const timeout = delay(9000);
+
+  const openPorts = [];
+  const failedPorts = [];
+
+  const promises = PORTS.map(port => checkPort(port, domain)
+    .then(() => {
+      openPorts.push(port);
+      return { status: 'fulfilled', port };
+    })
+    .catch(() => {
+      failedPorts.push(port);
+      return { status: 'rejected', port };
+    }));
+
+  let timeoutReached = false;
+
+  for (const promise of promises) {
+    const result = await Promise.race([promise, timeout.then(() => ({ status: 'timeout', timeout: true }))]);
+    if (result.status === 'timeout') {
+      timeoutReached = true;
+      if (result.timeout) {
+        // Add the ports not checked yet to the failedPorts array
+        const checkedPorts = [...openPorts, ...failedPorts];
+        const portsNotChecked = PORTS.filter(port => !checkedPorts.includes(port));
+        failedPorts.push(...portsNotChecked);
+      }
+      break;
+    }
+  }
+
+  if(timeoutReached){
+    return errorResponse('The function timed out before completing.');
+  }
+
+  return {
+    statusCode: 200,
+    body: JSON.stringify({ openPorts, failedPorts }),
+  };
+};
+
+const errorResponse = (message, statusCode = 444) => {
+  return {
+    statusCode: statusCode,
+    body: JSON.stringify({ error: message }),
+  };
+};
+
+exports.handler = middleware(handler);