inz

webssh.javascript (raw)

var process = require('process');
 
// Hacks to get ssh2 working in browser
process.binding = function () { return {} };
process.version = '1.0.0';
 
var Client = require('ssh2/lib/client');
var ws = require('websocket-stream');
var xterm = require('xterm');
var fit = require('xterm/lib/addons/fit/fit');
 
var conn = new Client();
var term = new xterm();
var chan;
var wndopts = { term: 'xterm' };
 
window.term = term;
 
// Store current size for initialization
term.on('resize', function (rev) {
	wndopts.rows = rev.rows;
	wndopts.cols = rev.cols;
});
 
term.on('title', function (title) {
	document.title = title;
});
 
conn.on('ready', function() {
	console.log('Client :: ready');
	chan = conn.shell(wndopts, function(err, stream) {
		if (err) throw err;
		stream.on('close', function() {
			console.log('Stream :: close');
			conn.end();
		}).on('data', function(data) {
			term.write(data.toString());
		}).stderr.on('data', function(data) {
			term.write(data.toString());
		});
		term.on('key', function (key, kev) {
			stream.write(key);
		});
		term.on('resize', function (rev) {
			stream.setWindow(rev.rows, rev.cols, 480, 640);
		});
	});
}).on('error', function (err) {
	term.write(err.toString());
}).on('close', function () {
	term.write('\r\nConnection lost.\r\n');
});
 
var user = '', pass = '';
 
function read_pass (key, kev) {
	for (var i in key) {
		var c = key[i];
		switch (c.charCodeAt(0)) {
		case 127:
			pass = user.substring(0, user.length - 1);
			break;
		case 13:
			term.off('key', read_pass);
			term.write('\r\n');
			conn.connect({
				sock: ws('ws://localhost:8022', ['binary']),
				username: user,
				password: pass
			});
		default:
			pass += c;
		}
	}
}
 
function read_user(key, kev) {
	for (var i in key) {
		var c = key[i];
		switch (c.charCodeAt(0)) {
		case 127:
			user = user.substring(0, user.length - 1);
			term.write('\033[D \033[D');
			break;
		case 13:
			term.off('key', read_user);
			term.write('\r\nPassword: ');
			term.on('key', read_pass);
			break;
		default:
			user += c;
			term.write(c);
		}
	}
}
 
term.write('Login as: ');
term.on('key', read_user);
 
term.open(document.getElementById('#terminal'));
term.fit();
window.onresize = term.fit.bind(term);