Initial commit

plain-to-tls-proxy.js

@@ -0,0 +1,75 @@
+const net = require('net');
+const tls = require('tls');
+const fs = require('fs');
+
+const listenPort = 80;
+
+const targetHost = 'localhost';
+const targetPort = 443;
+
+const logFile = fs.createWriteStream('proxy.log', { flags: 'a' });
+
+// log with timestamp
+function log(message) {
+  let date = new Date();
+  let time = date.toLocaleString();
+
+  const line = `[${time}] ${message}\n`
+
+  logFile.write(line);
+  console.log(line);
+}
+
+const server = net.createServer((client) => {
+  // Log the client connection
+  let clientAddress = client.remoteAddress + ':' + client.remotePort;
+  log(`Client connected from ${clientAddress}`);
+
+  // Create a socket to connect to the target host
+  const options = {
+    host: targetHost,
+    port: targetPort,
+    rejectUnauthorized: false
+  };
+  const target = tls.connect(options, () => {
+    // Log the target connection
+    log(`Target connected to ${targetHost}:${targetPort}`);
+
+    // Pipe the data between the client and the target
+    client.pipe(target).pipe(client);
+
+    // Log the data sent and received
+    client.on('data', (data) => {
+      log(`Client sent: ${data.toString('utf8')}`);
+    });
+    target.on('data', (data) => {
+      log(`Target sent: ${data.toString('utf8')}`);
+    });
+  });
+
+  // Handle the errors and close events
+  client.on('error', (err) => {
+    log(`Client error: ${err.message}`);
+    client.destroy();
+    target.destroy();
+  });
+  target.on('error', (err) => {
+    log(`Target error: ${err.message}`);
+    client.destroy();
+    target.destroy();
+  });
+  client.on('close', () => {
+    log(`Client disconnected from ${clientAddress}`);
+    target.destroy();
+  });
+  target.on('close', () => {
+    log(`Target disconnected from ${targetHost}:${targetPort}`);
+    client.destroy();
+  });
+});
+
+
+log(`Start listening..`);
+server.listen(listenPort, () => {
+  log(`Server listening on port ${listenPort}`);
+});