From 0ebbec4bd55c321a159a1241e8faefe4ec9d34e2 Mon Sep 17 00:00:00 2001
From: AJ ONeal <aj@daplie.com>
Date: Thu, 15 Sep 2016 19:11:08 -0400
Subject: [PATCH] initial commit

---
 serve.js | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 serve.js

diff --git a/serve.js b/serve.js
new file mode 100644
index 0000000..3a40525
--- /dev/null
+++ b/serve.js
@@ -0,0 +1,111 @@
+'use strict';
+
+var crypto = require('crypto');
+var net = require('net');
+var sni = require('sni');
+var jwt = require('jsonwebtoken');
+
+var Transform = require('stream').Transform;
+var util = require('util');
+
+function pad(str, len, ch) {
+  var x = '';
+
+  while (str.length < len) {
+    x += (ch || ' ');
+  }
+
+  return x;
+}
+
+function MyTransform(options) {
+  if (!(this instanceof MyTransform)) {
+    return new MyTransform(options);
+  }
+  this.__my_id = options.id;
+  this.__my_addr = options.address;
+  Transform.call(this, options);
+}
+util.inherits(MyTransform, Transform);
+MyTransform.prototype._transform = function (data, encoding, callback) {
+  var id = this.__my_id;
+  var address = this.__my_addr;
+
+  this.push('<');
+  this.push(id);
+  if ('IPv4' === address.family) {
+    this.push('IPv4:' + pad(address.address, 11, ' ') + ':' + pad(address.port, 5));  // 11 ch
+  }
+  else {
+    this.push('IPv6:' + pad(address.address, 39, ' ') + ':' + pad(address.port, 5));  // ipv6 39-ch
+  }
+  //client.socket.write('IPv5:2001:0db8:85a3:0000:0000:ffff:80fe:fefe:00:00');    // ipv4 in ipv6 45-ch
+  this.push(data);
+  this.push(id);
+  this.push('>');
+
+  callback();
+};
+
+require('cluster-store').create().then(function (store) {
+  // initialization is now complete
+  //store.set('foo', 'bar');
+
+  var remotes = {};
+  var server443 = net.createServer(function (socket) {
+    socket.once(function (hello) {
+      var servername = sni(hello);
+      var client = remotes[servername];
+      if (!client) {
+        socket.end();
+        return;
+      }
+      //var id = crypto.randomBytes(16).toString('hex');
+      var id = client.id;
+      var address = client.socket.address();
+      var transform = new MyTransform({ id: id, address: address });
+
+      client.socket.unshift(hello);
+
+      socket.pipe(transform).pipe(client.socket, { end: true });
+
+      client.clients[id] = socket;
+      socket.on('error', function () {
+        transform.write('|_ERROR_|');
+        delete client.clients[id];
+      });
+      socket.on('end', function () {
+        delete client.clients[id];
+      });
+    });
+  });
+
+  server443.listen(443, function () {
+    console.log('listening on 443');
+  });
+
+  var server5443 = net.createServer(function (socket) {
+    socket.once(function (hello) {
+      var token;
+      try {
+        token = jwt.decode(hello.toString('utf8'));
+        console.log(token);
+      } catch(e) {
+        socket.end();
+      }
+      var id = crypto.randomBytes(16).toString('hex');
+
+      socket.write(id, function () {
+        remotes[token.name] = {
+          socket: socket
+        , id: id
+        , clients: {}
+        };
+      });
+    });
+  });
+
+  server5443.listen(5443, function () {
+    console.log('listening on 5443');
+  });
+});