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telebit-relay.js
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This commit is contained in:
AJ ONeal 2016-09-28 01:26:16 -04:00
parent f48dc1937c
commit c52fc13ec3
1 changed files with 157 additions and 36 deletions
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193
mux-ws.js
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@ -12,28 +12,86 @@ var tlsOpts = require('localhost.daplie.com-certificates').merge({});
var Duplex = require('stream').Duplex;
var WebSocketServer = require('ws').Server;
/*
*
* Tunnel Packer
*
*/
var packer = require('tunnel-packer');
var Transform = require('stream').Transform;
var util = require('util');
function MyTransform(options) {
if (!(this instanceof MyTransform)) {
return new MyTransform(options);
}
this.__my_addr = options.address;
Transform.call(this, options);
}
util.inherits(MyTransform, Transform);
function transform(me, data, encoding, callback) {
var address = me.__my_addr;
me.push(packer.pack(address, data));
callback();
}
MyTransform.prototype._transform = function (data, encoding, callback) {
return transform(this, data, encoding, callback);
};
function socketToAddr(socket) {
return { family: socket.remoteFamily, address: socket.remoteAddress, port: socket.remotePort };
}
function addrToId(address) {
return address.family + ',' + address.address + ',' + address.port;
}
function socketToId(socket) {
return addrToId(socketToAddr(socket));
}
require('cluster-store').create().then(function (store) {
var remotes = {};
var selfname = 'pokemap.hellabit.com';
var secret = 'shhhhh';
var httpServer = http.createServer(function (req, res) {
console.log('req.socket.encrypted', req.socket.encrypted);
res.end('Hello, World!');
});
var wss = new WebSocketServer({ server: httpServer });
var tcp3000 = net.createServer();
wss.on('connection', function connection(ws) {
wss.on('connection', function (ws) {
console.log('todo connection');
var location = url.parse(ws.upgradeReq.url, true);
//var token = jwt.decode(location.query.access_token);
var token = jwt.verify(location.query.access_token, secret);
console.log('location, token');
console.log(location.query.access_token);
console.log(token);
if (!token) {
ws.send({ error: { message: "invalid access token", code: "E_INVALID_TOKEN" } });
ws.close();
return;
}
console.log('token.name');
console.log(token.name);
if (!token.name) {
ws.send({ error: { message: "invalid server name", code: "E_INVALID_NAME" } });
ws.close();
@ -44,15 +102,20 @@ require('cluster-store').create().then(function (store) {
console.log("TODO cleanup");
});
remotes[token.name] = remotes[token.name] || {};
var remote = remotes[token.name] = remotes[token.name] || {};
// TODO allow more than one remote per servername
remotes[token.name].ws = ws;
remote.ws = ws;
remote.id = socketToId(ws.upgradeReq.socket);
// TODO allow tls to be decrypted by server if client is actually a browser
// and we haven't implemented tls in the browser yet
remotes[token.name].decrypt = token.decrypt;
remote.decrypt = token.decrypt;
// TODO how to allow a child process to communicate with this one?
remotes[token.name].handle = { address: null, handle: null };
store.set(token.name, remotes[token.name].handle);
remote.clients = {};
remote.handle = { address: null, handle: null };
store.set(token.name, remote.handle);
});
@ -62,6 +125,17 @@ require('cluster-store').create().then(function (store) {
var tls3000 = tls.createServer(tlsOpts, function (tlsSocket) {
console.log('tls connection');
/*
tlsSocket.on('data', function (chunk) {
console.log('secure chunk');
console.log('');
console.log(chunk.toString());
console.log('');
});
*/
httpServer.emit('connection', tlsSocket);
/*
tlsSocket.on('data', function (chunk) {
@ -86,6 +160,33 @@ require('cluster-store').create().then(function (store) {
}
};
function connectHttp(servername, socket) {
console.log("connectHttp('" + servername + "', socket)");
socket.__my_servername = servername;
httpServer.emit('connection', socket);
}
function connectHttps(servername, socket) {
// none of these methods work:
// httpsServer.emit('connection', socket); // this didn't work
// tlsServer.emit('connection', socket); // this didn't work either
//console.log('chunkLen', firstChunk.byteLength);
var myDuplex = new Duplex();
myDuplex.__my_socket = socket;
myDuplex._write = Dup.write;
myDuplex._read = Dup.read;
console.log('connectHttps servername', servername);
tls3000.emit('connection', myDuplex);
socket.on('data', function (chunk) {
console.log('[' + Date.now() + '] socket data', chunk.byteLength);
myDuplex.push(chunk);
});
}
tcp3000.on('connection', function (socket) {
// this works when I put it here, but I don't know if it's tls yet here
// httpsServer.emit('connection', socket);
@ -106,6 +207,8 @@ require('cluster-store').create().then(function (store) {
// defer after return (instead of being in many places)
process.nextTick(function () {
console.log('unshift firstChunk', firstChunk.byteLength);
console.log(firstChunk.toString());
socket.unshift(firstChunk);
});
@ -114,63 +217,77 @@ require('cluster-store').create().then(function (store) {
var str;
var m;
function connectHttps() {
// none of these methods work:
// httpsServer.emit('connection', socket); // this didn't work
// tlsServer.emit('connection', socket); // this didn't work either
//console.log('chunkLen', firstChunk.byteLength);
var myDuplex = new Duplex();
myDuplex.__my_socket = socket;
myDuplex._write = Dup.write;
myDuplex._read = Dup.read;
socket.on('data', function (chunk) {
//console.log('[' + Date.now() + '] socket data', chunk.byteLength);
myDuplex.push(chunk);
function pipeWs(socket, remote) {
//var remote = remotes[servername];
var ws = remote.ws;
//var address = socketToAddr(ws.upgradeReq.socket);
var address = socketToAddr(socket);
var id = addrToId(address);
var wrapForRemote = new MyTransform({
id: id
//, remoteId: remote.id
, address: address
, servername: servername
});
tls3000.emit('connection', myDuplex);
}
var unpacker = packer.create({ onMessage: function (opts) {
// opts.data
var cid = addrToId(opts);
var cstream = remote.clients[cid];
function pipeWs(socket, ws) {
socket.on('data', function (chunk) {
// TODO XXX pack
console.log("remote '" + remote.id + "' has data for '" + id + "'", opts.data.byteLength);
if (!cstream) {
console.log('no client for', cid, opts.data.toString('utf8').substr(0, 100));
//remote.socket.write(packer.pack(opts, Buffer.from('|__END__|')));
return;
}
cstream.write(opts.data);
} });
//socket.unshift(hello);
//remote.socket/*.pipe(transform)*/.pipe(socket, { end: false });
var bstream = remote.clients[id] = socket.pipe(wrapForRemote);
bstream.on('data', function (pchunk) {
// var chunk = socket.read();
ws.send(chunk, { binary: true });
ws.send(pchunk, { binary: true });
});
ws.on('message', function (chunk) {
// TODO XXX pack
socket.write(chunk);
unpacker.fns.addChunk(chunk);
});
}
function tryTls() {
if (!servername || selfname === servername) {
connectHttps();
console.log('this is a server or an unknown');
connectHttps(servername, socket);
return;
}
if (remotes[servername]) {
pipeWs(socket, remotes[servername].ws);
console.log("pipeWs(socket, remotes['" + servername + "'])");
pipeWs(socket, remotes[servername]);
return;
}
/*
store.get(servername, function (remote) {
if (!remote) {
connectHttps();
connectHttps(servername, socket);
return;
}
if (!remote.address) {
console.error("connecting to a socket in a sibling process is not yet implemented");
connectHttps();
connectHttps(servername, socket);
return;
}
console.error("connecting to a socket in a sibling process is not yet implemented");
connectHttps();
connectHttps(servername, socket);
});
*/
}
// https://github.com/mscdex/httpolyglot/issues/3#issuecomment-173680155
@ -184,17 +301,21 @@ require('cluster-store').create().then(function (store) {
if (firstChunk[0] > 32 && firstChunk[0] < 127) {
str = firstChunk.toString();
m = str.match(/^Host: ([^\r\n]+)[\r\n]+/);
m = str.match(/^Host: ([^\r\n]+)[\r\n]+/i);
servername = m && m[1].toLowerCase() || '';
if (/HTTP\//i.test(str)) {
service = 'http';
if (/\/\.well-known\//.test(str)) {
// HTTP
httpServer.emit('connection', socket);
if (remotes[servername]) {
pipeWs(socket, remotes[servername]);
return;
}
connectHttp(servername, socket);
}
else {
// redirect to https
httpServer.emit('connection', socket);
connectHttp(servername, socket);
}
return;
}