POS-Diagnostic-Assist/main.js

144 lines
4.1 KiB
JavaScript

const express = require('express');
const fs = require('fs');
const path = require('path');
const mysql = require("mysql2/promise");
const config = require("./config/db.config.js");
const session = require('express-session');
const PORT = process.env.PORT || 8080; // Default port is 5000
const log = {
yellow: '\x1b[33m%s\x1b[0m', //yellow
cyan: '\x1b[36m%s\x1b[0m',//cyan
red: '\x1b[31m%s\x1b[0m', //red
green: '\x1b[32m%s\x1b[0m', //green
black: '\x1b[30m%s\x1b[0m', //black
blue: '\x1b[34m%s\x1b[0m', //blue
gray: '\x1b[90m%s\x1b[0m' //gray
}
// Create a connection pool
const pool = mysql.createPool({
host: config.host,
user: config.user,
password: config.password,
database: config.database,
waitForConnections: true,
connectionLimit: 10,
queueLimit: 0
});
const app = express();
app.set('view engine', 'ejs');
app.set('views', path.join(__dirname, 'views'));
app.use(session({
secret: config.secret,
resave: true,
saveUninitialized: true
}));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(express.static(path.join(__dirname, 'static')));
app.get('/x', function (request, response) {
if (request.session.loggedin) {
// Output username
// response.send('Welcome back, ' + request.session.username + '!');
console.log(request.session.username, 'open main page');
// Render home page with username
response.render('home', { username: request.session.username });
} else {
// response.send('Please login to view this page!');
response.redirect('/login');
}
});
app.get('/login', function (request, response) {
/// Render login template with any message from query parameters
console.log('Message:', request.query.message); // Log the message
response.render('login', { message: request.query.message || '' });
});
app.post('/auth', async function (request, response) {
// Capture the input fields
const { login, password } = request.body;
// Ensure the input fields exist and are not empty
if (login && password) {
try {
// Get a connection from the pool
const connection = await pool.getConnection();
const [rows] = await connection.execute(
'SELECT * FROM accounts WHERE (username = ? OR email = ?) AND password = ?',
[login, login, password]
);
// Release the connection back to the pool
connection.release();
// If the account exists
if (rows.length > 0) {
// Authenticate the user
request.session.loggedin = true;
request.session.username = rows[0].username;
request.session.avatar = rows[0].avatar;
// Redirect to home page
response.redirect('/');
} else {
response.redirect('/login?message=Incorrect Username and/or Password!');
}
} catch (error) {
console.error('Database query error:', error);
response.status(500).send('An error occurred while processing your request.');
}
} else {
// response.send('Please enter Username and Password!');
response.redirect('/login?message=Please enter Username and Password!');
}
});
// http://localhost:3000/home
app.get('/', function (request, response) {
// If the user is loggedin
if (request.session.loggedin) {
let avatarSrc = '';
if (request.session.avatar) {
// Convert BLOB to Base64 if it exists
const avatarBase64 = Buffer.from(request.session.avatar).toString('base64');
avatarSrc = `data:image/jpeg;base64,${avatarBase64}`; // Adjust MIME type as necessary
}
// Render home page with username
response.render('home', {
username: request.session.username,
avatar: avatarSrc
});
} else {
// response.send('Please login to view this page!');
response.redirect('/login');
}
response.end();
});
// http://localhost:8080/logout
app.get('/logout', function (request, response) {
request.session.destroy((err) => {
if (err) {
return response.status(500).send('Failed to logout');
}
response.redirect('/');
});
});
app.listen(PORT, () => {
console.info(`Listening on http://0.0.0.0:${PORT}/`);
});