vistamare-smarthome/server.js

service to manage actions via REST

var express = require('express');
const connection = require( './util/connection' );
const devices    = require( './util/devices' );
const delay      = require( 'delay' );
const https = require('https');
const fs = require('fs');
const port = 3000;
const adress = process.argv[2]; // IKEA Gateway
const tvkeys = require('./util/tv-keys.json');
const TuyAPI = require('tuyapi');
var format = require('date-format');
// --------------------------------------------------------------------------- TV
/*
const SamsungRemote = require('samsung-remote');
const remote = new SamsungRemote({ 
	ip: process.argv[3] // required: IP address of your Samsung Smart TV
});
*/
// --------------------------------------------------------------------------- TV
// var key = fs.readFileSync(__dirname + '\\security\\selfsigned.key'); // for win
// var cert = fs.readFileSync(__dirname + '\\security\\selfsigned.crt'); // for win

var key = fs.readFileSync(__dirname + '/security/selfsigned.key'); // for termux
var cert = fs.readFileSync(__dirname + '/security/selfsigned.crt'); // for termux

var options = {
	key: key,
	cert: cert
};

app = express()
app.use(express.json());

(async () => {
	const tradfri = await connection.getConnection();
	tradfri.observeDevices();
	await delay( 1000 )
	let currentDevice = null;
	let accessory = null;
	app.get('/status', (req, res) => {
		const b64auth = (req.headers.authorization || '').split(' ')[1] || ''
		const [login, password] = Buffer.from(b64auth, 'base64').toString().split(':')
		if (login === process.argv[5] && password === process.argv[6]){
			// var result = eval('device.lightList[0].' + req.query.attribute);
			if (req.query.id === 'all'){
				res.send(tradfri.devices);
			} else if (req.query.id === 'tvkeys') {
				res.send(tvkeys);
			} else {
				const device = tradfri.devices[req.query.id];
				res.send(device.lightList[0]);
			}
			// res.send("{ 'value' : " + result + "}");
		} else {
			console.log(format('yyyy-MM-dd hh:mm:ss: ',new Date()),"unauthorized GET",req.query);
			// console.log(process.argv[5], login, process.argv[6], password);
			res.status(401).send("Authorization not correctly ... tonto");
		}
	});

	app.post('/change', function(request, response){
		var command = request.body;
		var resp_status = 200;
		var resp_message = command.action + "-on-ID: " + command.ID + ", 'with Value':" + command.value;
		const b64auth = (request.headers.authorization || '').split(' ')[1] || ''
		const [login, password] = Buffer.from(b64auth, 'base64').toString().split(':')
		if (login === process.argv[5] && password === process.argv[6]){
			// wenn es ein direktes KOmmando für ein Gerät ist
			if(command.system === 'IKEA'){
				console.log(format('yyyy-MM-dd hh:mm:ss: ',new Date()),"IKEA GET",command);
				if(command.ID > 0) {
					currentDevice = devices.findDevice( tradfri, command.ID );
					accessory = currentDevice.lightList[0];
					accessory.client = tradfri;
					switch( command.action ) {
						case 'on': accessory.turnOn();break;
						case 'off': accessory.turnOff();break;
						case 'toggle': accessory.toggle();break;
						case 'color': accessory.setColor(command.value);break;
						case 'brightness': accessory.setBrightness( command.value );break;
						default:
							resp_status = 501; resp_message = 'IKEA command not allowed';
							break;
					}
				} else {
					resp_status = 501; resp_message = 'IKEA command-ID missing';
				}
			}
/*
			if(command.system === 'TV'){
				// check if TV is alive (ping)
				remote.isAlive((err) => {
					if (err) {
						// throw new Error('TV is offline');
						resp_status = 501; resp_message = 'TV is offline';
					} else {
						remote.send(command.action, (err) => {
							if (err) {
								// throw new Error(err);
								console.log(format('yyyy-MM-dd hh:mm:ss: ',new Date()),'key has sended but with error');
								resp_status = 501; resp_message = 'TV command error';
							} else {
								// command has been successfully transmitted to your tv
							}
						});
					}
				});	
			}
*/
			if(command.system === 'TUYA'){
				if(command.ID != '') {
					const tuyadevice = new TuyAPI({
						id: command.ID,
						ip: command.IP,
						key: command.key,
						version: '3.3',
						issueRefreshOnConnect: false});
					switch( command.action ) {
						case 'toggle': 
							(async () => {
								let status = await tuyadevice.get();
								await tuyadevice.set({set: !status});
								status = await tuyadevice.get();
								tuyadevice.disconnect();
							})();
							break;
						default:
							resp_status = 501; resp_message = 'TUYA command not allowed';
							break;
					}
				} else {
					resp_status = 501; resp_message = 'TUYA Device-ID missing';
				}
			}			
		} else {
			console.log(format('yyyy-MM-dd hh:mm:ss: ',new Date()),"unauthorized POST",request.body);
			resp_status = 401; resp_message = "Authorization not correctly";
		}
		response.status(resp_status).send(resp_message);    // echo the result back
	});
})()

var server = https.createServer(options, app);

server.listen(port, () => {
	console.log(format('yyyy-MM-dd hh:mm:ss: ',new Date()),"server starting, REQ is expecting on https:// " + adress + ":" + port + "/status")
});

/* this is for http only
app.listen(8081, () => {
	console.log("Server running on port 8081");
});
*/
	// await delay(1000);
	// await tradfri.destroy();
	// process.exit(0);