Files
iot/dht.js
d-popov 608344f876 working AC code generation for TLC_112;
fallback to HTTP if HTTPS certs not loaded.
2020-04-15 16:40:16 +03:00

456 lines
14 KiB
JavaScript

// ./src/index.js
// importing the dependencies
const util = require('util');
const express = require('express');
const bodyParser = require('body-parser');
const cors = require('cors');
const helmet = require('helmet');
const morgan = require('morgan');
const cron = require('node-cron');
const request = require('request');
const got = require('got');
//auth ++
var session = require('express-session')
var passport = require('passport')
var Strategy = require('passport-local').Strategy;
var db = require('./db');
var ensureLoggedIn = require("connect-ensure-login").ensureLoggedIn("/n/login");
// passport.use(new Strategy(
// // {
// // usernameField: 'email',
// // passwordField: 'passwd',
// // session: false
// // },
// function(username, password, done) {
// console.log("executing auth strategy: local");
// if(username == "popov" & password == "test12345")
// {
// done(null, new {username:"popov"});
// }else
// {
// return done(null, false);
// }
// }
// ));
// passport.serializeUser(function(user, cb) {
// console.log("serializeUser()");
// cb(null, user.id);
// });
// passport.deserializeUser(function(id, cb) {
// console.log("de-serializeUser()");
// cb(null, new {username:"popov"});
// });
//! Configure the local strategy for use by Passport.
//
// The local strategy require a `verify` function which receives the credentials
// (`username` and `password`) submitted by the user. The function must verify
// that the password is correct and then invoke `cb` with a user object, which
// will be set at `req.user` in route handlers after authentication.
passport.use(new Strategy(
function(username, password, cb) {
console.log('requesting authentication for user '+ username);
db.users.findByUsername(username, function(err, user) {
if (err) { return cb(err); }
if (!user) { return cb(null, false); }
if (user.password != password) { return cb(null, false); }
return cb(null, user);
});
}));
// Configure Passport authenticated session persistence.
//
// In order to restore authentication state across HTTP requests, Passport needs
// to serialize users into and deserialize users out of the session. The
// typical implementation of this is as simple as supplying the user ID when
// serializing, and querying the user record by ID from the database when
// deserializing.
passport.serializeUser(function(user, cb) {
cb(null, user.id);
});
passport.deserializeUser(function(id, cb) {
db.users.findById(id, function (err, user) {
if (err) { return cb(err); }
cb(null, user);
});
});
// auth --
//!https endpoint
var fs = require("fs");
var http = require('http');
var https = require('https');
try{
var _privateKey = fs.readFileSync('/etc/letsencrypt/live/iot.d-popov.com/privkey.pem', 'utf8');
var _certificate = fs.readFileSync('/etc/letsencrypt/live/iot.d-popov.com/cert.pem', 'utf8');
var credentials = {key: _privateKey, cert: _certificate};
}catch(ex){console.log("can't load certificates.");}
//!database
var mysql = require('mysql');
var con = mysql.createConnection({
host : 'localhost',
user : 'iot',
password : '!iot_popovi',
database : 'iot'
});
// defining the Express app
const app = express();
// adding Helmet to enhance your API's security
app.use(helmet());
// using bodyParser to parse JSON bodies into JS objects
//app.use(bodyParser.text({ type: 'text/html' }))
//app.use(bodyParser.json({ type: 'application/*+json' }));
//app.use(bodyParser.text());
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(express.static('public'))
// enabling CORS for all requests
app.use(cors());
//Authentication ++
app.use(session({
secret: 'че първият ще генерира грешка, ако изгледът не дефинира съдържание за този раздел',
resave: true,
saveUninitialized: false
}));
app.use(passport.initialize());
app.use(passport.session());
//Authentication --
//app.set('views', __dirname + '/views');
app.set('view engine', 'ejs');
app.use(require('express-ejs-layouts'));//https://www.npmjs.com/package/express-ejs-layouts
//app.set("layout extractScripts", true)
//app.set('view engine', 'vash');//https://www.npmjs.com/package/vash#layout-helpers
// adding morgan to log HTTP requests
//app.use(morgan('combined'));
// defining endpoints
app.get('/', function(req, res){
res.redirect('/n/login');
});
//Authentication ++
app.get('/login', function(req, res) {
res.render('login', { user: req.user });
});
app.post('/login',
passport.authenticate('local', {
successRedirect: '/n/accontrol',
failureRedirect: '/n/login' }),
// authenticated user.
function(req, res) {
console.log("logged in. session:" + req.session);
res.redirect(req.session);
}
);
app.get('/logout', function(req, res){
req.logout();
res.redirect('/n/login');
});
app.get('/accontrol', ensureLoggedIn, function(req, res){
res.render('accontrol',{model:{data:req.body, user:req.user, command:"", info:""}});
});
var ac = require('./ac.js');
app.post('/accontrol', ensureLoggedIn, function(req, res){
var model = { model: {user: req.user, data: req.body} };
console.log("power:"+ req.body.power);
console.log("heat:"+ req.body.heat);
console.log("temp:"+ req.body.temp);
console.log("econo:"+ req.body.econo);
ac.Tlc112.Init();
ac.Tlc112.SetPower(req.body.power);
ac.Tlc112.SetMode(req.body.heat? ac.Mode.Heat:ac.Mode.Cool);
ac.Tlc112.SetTemp( req.body.temp);
var code = ac.Tlc112.GetCommand();
request.post(
'http://192.168.1.126/ir',
{ form: { code: code, type: 30} },
function (error, response, body) {
if (!error && response.statusCode == 200) {
console.log("GOT " + body);
//var m = model;
//res.render('accontrol', {model:{data:req.body, user:req.user, command:com[0], info:com[0].info}});
}else{
model.info = "Error executing command " + model.command.info + ". Server resturned:" + req.statusCode
}
}
);
// var where = {ac_power: req.body.power?true:false};
// if(where.ac_power){
// where.ac_mode = req.body.heat?"Heat":"Cool";
// if(req.body.temp){ where.ac_temp = req.body.temp; }else{where.ac_temp = 23}
// //where.ac_econo = req.body.econo?true:false;
// //// if(req.body.turbo){ where.ac_turbo = req.body.turbo?true:false; }
// //// if(req.body.swing){ where.ac_swing = req.body.swing?true:false; }
// //// if(req.body.display){ where.ac_display = req.body.display?true:false; }
// //// if(req.body.health){ where.ac_health = req.body.health?true:false; }
// }
// data.DeviceCommand.findAll({ where: where }).then(function(com){
// console.log("FOUND "+ com.length + " RESULTS");
// if(com.length > 0)
// {
// model.command = com[0];
// model.info = model.command.info;
// console.log("executing command "+ model.info+ "");
// request.post(
// 'http://192.168.1.126/ir',
// { form: { cmd: "RAW:" + model.command.command } },
// function (error, response, body) {
// if (!error && response.statusCode == 200) {
// //console.log("GOT " + body);
// var m = model;
// res.render('accontrol', {model:{data:req.body, user:req.user, command:com[0], info:com[0].info}});
// }else{
// model.info = "Error executing command " + model.command.info + ". Server resturned:" + req.statusCode
// }
// }
// );
// } else
// {
// model.info = "Command not executed. Found " + com.length + "commands"
// res.render('accontrol', model);
// }
//});
});
app.get('/chart', ensureLoggedIn,
function(req, res){
res.render('chart', { user: req.user });
});
//Authentication --
const { parse } = require('querystring');
app.post('/dht/ping', (req, res) => { (async (res) => {
try {
console.log("HEADERS:" + req.headers); res.sendStatus(200);
} catch (error) {
console.log("PING Error:" + error); res.sendStatus(500);
} })(res);
});
var moment = require('moment');
app.use('/ir', bodyParser.text(), function(rq, rs) {
console.log("");
console.log("");
console.log("");
console.log("");
console.log("IR request:"+rq.method );
if(rq.method == "GET")
{
var cmd = rq.param('command');
console.log("GET CMD:"+cmd );
switch(cmd)
{
case 'ping':
var t = moment.duration(parseInt(rq.param('uptime')), 'milliseconds');
var _message = rq.param('ip') + " uptime " + t.hours() + "h " + t.minutes() + "m " + t.seconds() +"s";
// var t = moment.duration(parseInt(rq.params.uptime), 'milliseconds');
// var _message = rq.params.ip + " uptime " + t.hours() + "h " + t.minutes() + "m " + t.seconds() +"s";
console.log("ping from " + _message);
rs.send("pong=ok");
rs.end('End\n');
console.log("response ended");
break;
case 'on':
default:rs.send("OK");
}
}else {
let body = '';
rq.on('data', chunk => {
body += chunk.toString();
});
rq.on('end', () => {
console.log(">"+body);
var ob = parse(body);
console.log(ob);
rs.end('ok');
});
}
});
app.get('/dht', (req, res) => { (async (res) => {
try {
const response = await got('http://192.168.1.126/json')
res.send(response.body);
} catch (error) {
console.log("DHT Error:" + error); //..response.body);
} })(res);
});
app.get("/dht/:field_name", (req, res) => {
dht = con.query("SELECT * FROM devicemessages WHERE field_name=? OR ? IS NULL",
[req.params.field_name, req.params.field_name], (err, data) => {
//dht = con.query("SELECT * FROM devicemessages", (err, data) => {
if (!err) {
res.send(data);
} else {
console.log("error: ", err);
}
});
});
app.put('/dht/:device_id/:field_name/:field_value', (req, res) => {
var params = [req.params.device_id,req.params.field_name,req.params.field_value];
let sql = `INSERT INTO devicemessages(device_id,field_name,field_value,timestamp)
VALUES (?,?,?,NOW());`;
con.query(sql,params, (err, r) => {
if (err) {
console.log("error: ", err);
res.send( err);
return;
}
if (r.affectedRows == 0) {
// not found Customer with the id
res.send({ kind: "not_found" });
return;
}
console.log("inserted record: ", { id: r.insertId, ...params });
res.send( { id: r.insertId, ...params });
});
//con.end();
//fs.appendFileSync('dht.txt', 'data to append');
});
app.get('/ac', (req, res) => { (async (res) => {
try {
const response = await got('http://192.168.1.126/json')
res.send(response.body);
} catch (error) {
console.log("DHT Error:" + error); //..response.body);
} })(res);
});
//Startup
var httpServer = http.createServer(app);
if(credentials){
var httpsServer = https.createServer(credentials, app);
httpsServer.listen(8443, () => {
console.log('HTTPS server listening on port 8443');
});
}
httpServer.listen(81, () => {
console.log('HTTP server listening on port 81');
});
var data = require('./database.js');
//require('./database.js')();
//data.init();
var device = data.Device.build({
name: 'A23',
url: "http://192.168.1.126/"
});
// device.save().then().catch(
// err => {console.log(err);}
// )
//.success(function(savedTask) {
// console.log('device saved with id' + savedTask.id);
// });
// # ┌────────────── second (optional)
// # │ ┌──────────── minute
// # │ │ ┌────────── hour
// # │ │ │ ┌──────── day of month
// # │ │ │ │ ┌────── month
// # │ │ │ │ │ ┌──── day of week
// # │ │ │ │ │ │
// # │ │ │ │ │ │
// # * * * * * *
cron.schedule(' */30 * * * *', () => {//cron.schedule('*/5 * * * * *', () => {
console.log(new Date().toISOString() + ' running a task every 30 minutes');
StoreSensorReadingsAsync();
}).start();
//StoreSensorReadings();
async function StoreSensorReadingsAsync()
{
try {
await new Promise(function(resolve, reject) {
request('http://192.168.1.126/json', { json: true }, (err, res, body) => {
if(err) {
return reject(err);
}
else {
var params = [0, "A23_DHT", JSON.stringify(body)];
let sql = `INSERT INTO devicemessages(device_id,field_name,field_value,timestamp)
VALUES (?,?,?,NOW());`;
con.query(sql,params,(err, r) => {
if (err) {
console.log("error: ", err);
}else{
console.log("inserted record: ", { id: r.insertId, ...params });
}
});
resolve(body);
console.log(body);
}
});
});
} catch(error) {
console.error(error);
}
}
function StoreSensorReadings()
{
(async () => {
try {
const dht = await got('http://192.168.1.126/json')
var params = [0, "A23_DHT", dht.body];
let sql = `INSERT INTO devicemessages(device_id,field_name,field_value,timestamp)
VALUES (?,?,?,NOW());`;
con.query(sql,params,(err, r) => {
if (err) {
console.log(err);
}else{
console.log("inserted record: ", { id: r.insertId, ...params });
}
});
} catch (error) {
console.log("DHT Error:" + error); //..response.body);
} })();
}