otr4/examples/net_alice.js

OTR Messaging Protocol [native libotr4.x.x]

var net = require("net");
var otr = require("../index.js");

var user = new otr.User({
		keys: "./alice.keys",
		fingerprints: "./alice.fp",
		instags: "./alice.instags"
	}),
	account = user.account("alice@telechat.org", "telechat"),
	contact = account.contact("BOB");
if (!account.fingerprint()) {
	console.log("no key found, run keygen.js to generate keys for this example.");
	process.exit();
}

if (!account.instag()) account.generateInstag();

var server = net.createServer(function (conn) {
	conn.pause(); //allow time to setup all event handlers

	var session = contact.openSession({
		debug: false
	});

	session.online = function () {
		if (conn && conn.remotePort) {
			return true;
		}
		return false;
	};

	session.on("disconnect", function () {
		console.log("remote side ended secure session.");
		session.end(); //return to plain text
	});

	session.on("new_fingerprint", function (fingerprint) {
		console.log("contact's fingerprint:", fingerprint);
	});

	session.on("write_fingerprints", function () {
		console.log("got write_fingerprints event");
	});

	session.on("gone_secure", function () {
		console.log("got gone_secure event");
	});

	session.on("message", function (message, private) {
		console.log("We got a message:", message);
		console.log("Message was encrypted?:", private);
		session.send(message); //echo back message.
	});

	session.on("inject_message", function (fragment) {
		try {
			conn.write(fragment);
		} catch (e) {}
	});

	session.on("plaintext", function () {
		conn.end();
	});

	conn.on("end", function () {
		console.log("closing connection");
		session.destroy();
	});

	conn.on("data", function (data) {
		session.recv(data);
	});

	conn.resume(); //start emitting data events
});

server.listen(
	8123,
	function () {
		console.log("listening on port:", server.address().port);
	}
);