index.js

var Service, Characteristic, 
	meo = require('meo-controller'),
	request = require('request'),
	crypto = require('crypto'),
	parseString = require('xml2js').parseString;

module.exports = function(homebridge) {
	Service = homebridge.hap.Service;
	Characteristic = homebridge.hap.Characteristic;
	
	homebridge.registerAccessory("homebridge-meobox", "MeoBox", MeoBox);
}

function MeoBox(log, config, api) {
	this.config = config;
	this.name = config.name || 'Meo Box';
	
	this.powerService = new Service.Switch(this.name);

	//	Control the box power status.
	this.powerService.getCharacteristic(Characteristic.On).on('set', this.setPowerState.bind(this));
	this.powerService.getCharacteristic(Characteristic.On).on('get', this.getPowerState.bind(this));

	this.informationService = new Service.AccessoryInformation()
    			.setCharacteristic(Characteristic.Manufacturer, 'Meo')
    			.setCharacteristic(Characteristic.Model, 'Meo Box HD')
    			.setCharacteristic(Characteristic.SerialNumber, config.deviceId);

    console.info("[Meo Box] Initialized box with IP "+config.ip+".");
}

MeoBox.prototype.setPowerState = function(powerOn, callback) {
	var meoConfig = this.config;
	meo(meoConfig.ip, function(err, api) {
		if (err) {
			console.log(err);
		} else {
			api.sendKey('power');
		}
		if(api.close)
			api.close();
		callback();
	});
};
	
MeoBox.prototype.getPowerState = function(callback) {
	var meoConfig = this.config;
	console.info("[Meo Box] Checking if box with IP "+meoConfig.ip+" is online.");
	// Hardcore stuff happening here - it was quite tricky, took about an hour to find a way to get the true box power state cause it's always on.
	meo(meoConfig.ip, function(err, api) {
		if (err) {
			callback(null, false);
		} else {
			var onFinished = function(status) {
				if(api.close)
					api.close();
				callback(null, status);
			}

			var timestamp = (+new Date());
			var sURL = 'page:http://nowonmytv.app.iptv.telecom.pt/NowOnMyTV.aspx?accountId=$(acct)&deviceId=$(dev)&launchorig=MeoRemote.Android&requestId='+timestamp;
			var token = crypto.createHash('md5').update(timestamp + meoConfig.deviceId + sURL + "8767sfhdu3#189v").digest("hex"); // No comments.

			request({
			  url: 'http://remote-rose.app.iptv.telecom.pt/set.ashx?action='+encodeURIComponent(sURL).replace(/\(/g,"%28").replace(/\)/g,"%29")+'&type=MESSAGE-WRITE&application=remote-android&version=3&guid='+meoConfig.deviceId+'&n='+timestamp+'&tok='+token,
			  headers: {
			  	'Accept': '*/*',
			    'User-Agent': 'MEO Go/201607131100 CFNetwork/808.1.4 Darwin/16.1.0',
			    'Accept-Language': 'pt-pt',
			    'Accept-Encoding': 'gzip, deflate',
			    'Connection': 'keep-alive'
			  }
			}, function(error, response, body) {
				if(!error) {
					parseString(body, function (err, result) {
					    if(!err && result.result && result.result.code && result.result.code.length == 1 && result.result.code[0] == '200') {
					    	function updateChannel(i){
					    		if(i >= 2) {
					    			console.info("Offline");
									return onFinished(false); // Max reached - offline.
					    		} else {
									api.sendNum(237);
									request({
										  url: 'http://nowonmytv.app.iptv.telecom.pt/NowOnMyTVUpdater.ashx?mode=get&accountId=$(acct)&deviceId='+meoConfig.deviceId+'&launchorig=MeoRemote.Android&requestId='+timestamp,
										  headers: {
										  	'Accept': '*/*',
										    'User-Agent': 'MEO Go/201607131100 CFNetwork/808.1.4 Darwin/16.1.0',
										    'Accept-Language': 'pt-pt',
										    'Accept-Encoding': 'gzip, deflate',
										    'Connection': 'keep-alive'
										  }
									}, function(error, response, body) {
										if(!error) {
											parseString(body, function (err, result) {
											    if(!err && result.NowOnTV && result.NowOnTV.RequestId && result.NowOnTV.StationShortName) {
											    	// Connected
													onFinished(true);
												} else {
													setTimeout(function(){
														updateChannel(i+1);
													}, 2000);
												}
											});
										} else {
											setTimeout(function(){
												updateChannel(i+1);
											}, 2000);
										}
									});
								}
							}
							setTimeout(function(){
								updateChannel(0);
							}, 500);
						} else {
							onFinished(false);
						}
					});
				} else {
					onFinished(false);
				}
			});
		}
	});

};

MeoBox.prototype.getServices = function() {
	return [this.powerService, this.informationService];
};