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index.js
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index.js
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const express = require('express');
const session = require('express-session');
const cookieParser = require('cookie-parser');
const app = express();
const config = require('./config.json');
const port = config.port;
const { QuickDB } = require('quick.db');
const db = new QuickDB({ filePath: './database.sqlite' });
const nodemailer = require('nodemailer');
const searchImage = require('g-i-s');
const fs = require('fs');
const Weather = require("@tinoschroeter/weather-js");
const weather = new Weather();
const { G4F } = require('g4f');
const g4f = new G4F();
// Email Setup
let transporter2 = nodemailer.createTransport({
host: "smtp.gmail.com",
port: 587,
secure: false,
auth: {
user: config.emailUser,
pass: config.emailPass
},
tls: {
rejectUnauthorized: false
}
});
// Express Setup
app.use(express.static('public'));
app.use(express.urlencoded({ extended: true }));
app.use(express.json());
app.use(cookieParser());
app.use(session({
secret: config.session_secret,
resave: true,
saveUninitialized: true
}));
app.set('view engine', 'ejs');
app.set('views', './views');
app.setMaxListeners(0);
// Middleware
app.use((req, res, next) => {
if (req.session.loggedIn) {
res.locals.name = req.session.name;
res.locals.loggedIn = req.session.loggedIn;
}
next();
});
// Home Page Route
app.get('/', (req, res) => {
res.redirect('/home');
});
//home page
app.get('/home', (req, res) => {
res.render('home', { req: req, error: false });
});
// About Us Page Route
app.get('/about', (req, res) => {
res.render('aboutus', { req: req, error: false });
})
//contact us page
app.get('/contact', (req, res) => {
res.render('contact', { req: req, error: false });
})
// Authentication Page Route
app.get('/auth', (req, res) => {
if (req.session.loggedIn) {
return res.redirect('/');
}
res.render('login-signup', { req: req, error: false });
});
// My Account Page Route
app.get('/me', async (req, res) => {
if (!req.session.loggedIn) {
return res.redirect('/');
}
let email = req.session.email;
email = email.replace(/\./g, '_');
let saved = await db.get(`saved.${email}`) || [];
res.render('account', { req: req, error: false, saved: saved });
});
// Email Verification Page Route
app.post('/me/verifymail', async (req, res) => {
if (!req.session.loggedIn) {
return res.redirect('/');
}
let email = req.session.email;
let code = req.body.code;
email = email.replace(/\./g, '_');
let saved = await db.get(`saved.${email}`) || [];
// Check if Email Exists
let emailChk = db.get(`accounts.${email}`);
if (!emailChk) {
return res.render('account', { req: req, error: "Email does not exist! Please Signup Instead", saved: saved });
}
// Check if Email is already verified
let emailVerified = await db.get(`accounts.${email}.verified`);
if (emailVerified) {
return res.render('account', { req: req, error: "Email is already verified!", saved: saved });
}
// Check if Code Exists
let emailCode = await db.get(`verification.${code}`);
if (!emailCode) {
return res.render('account', { req: req, error: "Invalid Code!", saved: saved });
}
// Check if Code Matches
email = email.replace(/\_/g, '.')
if (emailCode !== email) {
return res.render('account', { req: req, error: "Code Email Mismatch!", saved: saved });
}
email = email.replace(/\./g, '_')
// Set Email to Verified
await db.set(`accounts.${email}.verified`, true);
await db.delete(`verification.${code}`);
// Update Session
req.session.verifiedMail = true;
res.render('account', { req: req, error: "Email Verified Successfully!", saved: saved });
});
// Email Verification Post Route
app.post('/auth/verify_email', async (req, res) => {
if (!req.session.loggedIn) {
return res.redirect('/auth');
}
let email = req.session.email;
email = email.replace(/\./g, '_');
let saved = await db.get(`saved.${email}`) || [];
// Check if Email Exists
let emailChk = await db.get(`accounts.${email}`);
if (!emailChk) {
return res.render('account', { req: req, error: "Email does not exist! Please Signup Instead", saved: saved });
}
// Check if Email is already verified
let emailVerified = await db.get(`accounts.${email}.verified`);
if (emailVerified) {
return res.render('account', { req: req, error: "Email is already verified!", saved: saved });
}
// Delete Old Verification Codes
let oldCodes = await db.get(`verification`);
email = email.replace(/\_/g, '.')
for (let code in oldCodes) {
if (oldCodes[code] === email) {
await db.delete(`verification.${code}`);
}
}
// Generate Random Code
let code = await generateCode();
// Send Verification Email
await sendVerificationEmail(email, code);
await db.set(`verification.${code}`, email);
res.render('account', { req: req, error: "Verification Email Sent!", saved: saved });
});
// Login Post Route
app.post('/auth/login', async (req, res) => {
if (req.session.loggedIn) {
return res.redirect('/');
}
let email = req.body.email;
let password = req.body.pass;
// Convert Email to Lowercase and replace all dots with underscores
email = email.toLowerCase();
email = email.replace(/\./g, '_');
// Check if Email Exists
let emailChk = await db.get(`accounts.${email}`);
if (!emailChk) {
return res.render('login-signup', { req: req, error: "Email does not exist! Please Signup Instead" });
}
// Decrypt Password
let emailPass = Buffer.from(emailChk.password, 'base64').toString();
// Compare Passwords
if (emailPass !== password) {
return res.render('login-signup', { req: req, error: "Invalid Password" });
}
// Set Session
let firstName = emailChk.fullName.split(' ')[0];
req.session.email = email.replace(/\_/g, '.');
req.session.name = firstName;
req.session.loggedIn = true;
req.session.verifiedMail = emailChk.verified;
// console.log(req.session);
res.redirect('/');
});
// Generate Itinerary Page Route
app.get('/itinerary', (req, res) => {
let loggedIn = req.session.loggedIn;
if (!loggedIn) {
return res.redirect('/auth');
}
let old = false;
res.render('itinerary', { itinerary: false, req: req, error: false, generated: false, weather: false, old: old });
});
// Generate Itinerary Post Route
app.post('/itinerary', async (req, res) => {
let body = req.body;
let regen = req.body.regenerated || false;
let old = regen ? req.body.itinerary : false;
if (regen) {
body = body.oldBody;
body = `${body.replace(/"/g, '"')}`;
body = JSON.parse(body);
// console.log(body);
if (old) {
old = `${old.replace(/"/g, '"')}`;
old = JSON.parse(old);
old = old.itinerary;
}
console.log(old);
}
let days = body.days;
let city = body.city;
let country = body.country;
let currency = body.currency;
let place = `${city}, ${country}.`;
let members = body.members;
let budget = body.budget;
let detailed = body.detailed || false;
// console.log(body)
if (members < 1) {
return res.render('itinerary', { itinerary: false, req: req, error: "Invalid Number of Members", generated: false, weather: false, old: old });
} else if (days < 1) {
return res.render('itinerary', { itinerary: false, req: req, error: "Invalid Number of Days", generated: false, weather: false, old: old });
} else if (budget < 1) {
return res.render('itinerary', { itinerary: false, req: req, error: "Invalid Budget", generated: false, weather: false, old: old });
} else if (!city || !country || !currency) {
return res.render('itinerary', { itinerary: false, req: req, error: "Invalid Place", generated: false, weather: false, old: old });
}
// Check if currency is valid
let validCurrency = await checkCurrency(currency);
if (!validCurrency) {
return res.render('itinerary', { itinerary: false, req: req, error: "Invalid Currency", generated: false, weather: false, old: old });
}
// Generate Itinerary
let cost = `${budget} ${currency}`;
let generated = await generateItinerary(days, place, members, cost);
if (generated === "Error") {
return res.render('itinerary', { itinerary: false, req: req, error: "There was an error generating the itinerary, please try again later", generated: false, weather: false, old: old });
} else if (generated === "Rate limit exceeded") {
return res.render('itinerary', { itinerary: false, req: req, error: "Server Busy! Please Try Again in a Few Minutes", generated: false, weather: false, old: old });
} else if (!generated) {
return res.render('itinerary', { itinerary: false, req: req, error: "Error Generating Itinerary...", generated: false, weather: false, old: old });
}
// convert text to json
try {
generated = JSON.parse(generated);
} catch (err) {
console.log(generated);
return res.render('itinerary', { itinerary: false, req: req, error: "Error Generating Itinerary", generated: false, weather: false, old: old });
}
let itinerary = generated.itinerary;
// Generate Image for each accommodation and restaurant
for (let i = 0; i < itinerary.length; i++) {
let activities = itinerary[i].activities;
let accomodations = itinerary[i].accommodations;
let restaurants = itinerary[i].restaurants;
for (let j = 0; j < accomodations.length; j++) {
let name = accomodations[j].name;
let image = await searchImageByQuery(name);
itinerary[i].accommodations[j].image = image;
}
for (let k = 0; k < restaurants.length; k++) {
let name = restaurants[k].name;
let image = await searchImageByQuery(name);
itinerary[i].restaurants[k].image = image;
}
for (let l = 0; l < activities.length; l++) {
let name = activities[l];
let image = await searchImageByQuery(name);
itinerary[i].activities[l] = { name, image };
}
}
// Get Weather Data
let w = await getWeatherData(city, country);
let weather_return = false;
if (w === "Error") {
weather_return = false;
} else if (!w) {
weather_return = false;
} else {
weather_return = w;
}
// Render Itinerary
if (detailed) {
res.render('itinerary', { old: old, itinerary: itinerary, req: req, error: false, weather: weather_return, generated: true });
} else {
req.body.city = city;
req.body.country = country;
res.render('compactview', { old: old, itinerary: itinerary, req: req, error: false, weather: weather_return, generated: true });
}
});
// Load detailed itinerary
app.post('/itinerary/details', async (req, res) => {
let itinerary = req.body.itinerary;
itinerary = `${itinerary.replace(/"/g, '"')}`;
itinerary = JSON.parse(itinerary);
let old = req.body.old || false;
if (old) {
old = `${old.replace(/"/g, '"')}`;
old = JSON.parse(old);
}
// console.log(itinerary);
// Get Weather Data
let city = req.body.city;
let country = req.body.country;
let w = await getWeatherData(city, country);
let weather_return = false;
if (w === "Error") {
weather_return = false;
} else if (!w) {
weather_return = false;
} else {
weather_return = w;
}
// Render Itinerary
res.render('itinerary', { old: old, itinerary: itinerary, req: req, error: false, weather: weather_return, generated: true });
});
// Save itinerary
app.post('/itinerary/save', async (req, res) => {
let itinerary = req.body.itinerary;
let name = req.body.itineraryName;
let old = req.body.old || false;
if (!name || !itinerary || name.length > 20) {
return res.status(400).send("Invalid Request");
}
let email = req.session.email;
let loggedIn = req.session.loggedIn;
if (!loggedIn) {
return res.render('itinerary', { itinerary: false, req: req, error: "Please Login to Save an Itinerary", generated: false, weather: false, old: old })
}
// Check if email is verified
email = email.replace(/\./g, '_');
let emailChk = await db.get(`accounts.${email}`);
if (!emailChk.verified) {
return res.render('itinerary', { itinerary: false, req: req, error: "Please Verify Your Email to Save an Itinerary", generated: false, weather: false, old: old });
}
let saved = await db.get(`saved.${email}`) || [];
let count = saved.length;
// Check if name already exists
for (let i = 0; i < saved.length; i++) {
if (saved[i].name === name) {
return res.render('itinerary', { itinerary: false, req: req, error: "Itinerary Name Already Exists", generated: false, weather: false, old: old });
}
}
// Save itinerary to a file in storage folder
let file = `./storage/${email}_${count}.txt`;
fs.writeFileSync(file, itinerary, 'utf8');
saved.push({ name, file });
await db.set(`saved.${email}`, saved);
res.render('account', { req: req, error: "Itinerary Saved Succesfully!", saved: saved });
});
// Load Saved Itinerary
app.get('/itinerary/load', async (req, res) => {
let name = req.query.name;
let email = req.session.email;
let loggedIn = req.session.loggedIn;
let old = req.body.old || false;
if (!loggedIn) {
return res.redirect('/auth');
}
email = email.replace(/\./g, '_');
let saved = await db.get(`saved.${email}`) || [];
let file = false;
for (let i = 0; i < saved.length; i++) {
if (saved[i].name === name) {
file = saved[i].file;
break;
}
}
if (!file) {
return res.render('itinerary', { itinerary: false, req: req, error: "Itinerary Not Found", generated: false, weather: false, old: old });
}
// read file in single quotes
let itinerary
try {
itinerary = fs.readFileSync(file, 'utf8');
} catch (err) {
console.log(err);
return res.render('itinerary', { itinerary: false, req: req, error: "Error Loading Itinerary", generated: false, weather: false, old: old });
}
let decodedString = itinerary.replace(/'/g, "'");
itinerary = JSON.parse(decodedString);
// console.log(itinerary)
itinerary = itinerary.itinerary;
res.render('itinerary', { itinerary: itinerary, req: req, error: false, weather: false, generated: false, old: old });
});
// Delete Saved Itinerary
app.post('/itinerary/delete', async (req, res) => {
let name = req.body.name;
let email = req.session.email;
let loggedIn = req.session.loggedIn;
if (!loggedIn) {
return res.redirect('/auth');
}
email = email.replace(/\./g, '_');
let saved = await db.get(`saved.${email}`) || [];
let file = false;
for (let i = 0; i < saved.length; i++) {
if (saved[i].name === name) {
file = saved[i].file;
saved.splice(i, 1);
break;
}
}
if (!file) {
return res.sendStatus(403).send("Itinerary Not Found");
}
// Delete File
fs.unlinkSync(file)
await db.set(`saved.${email}`, saved);
res.redirect('/me');
});
// Signup Post Route
app.post('/auth/signup', async (req, res) => {
if (req.session.loggedIn) {
return res.redirect('/');
}
let email = req.body.email;
let fullName = req.body.name;
let password = req.body.pass;
let confirmPassword = req.body.confirmPass;
if (password !== confirmPassword) {
return res.render('login-signup', { req: req, error: "Passwords do not match" });
}
// Convert Email to Lowercase and replace all dots with underscores
email = email.toLowerCase();
email = email.replace(/\./g, '_');
// Check if Email Exists
let emailChk = await db.get(email);
if (emailChk) {
return res.render('login-signup', { req: req, error: "Email already exists! Please Login Instead" });
}
// Encrypt Password
password = Buffer.from(password).toString('base64');
let verified = false;
// Save User Data
await db.set(`accounts.${email}`, { fullName, password, verified });
// Verification Code
let code = await generateCode();
email = email.replace(/\_/g, '.')
// Send Verification Email
await sendVerificationEmail(email, code);
await db.set(`verification.${code}`, email);
// Set Verified to False
res.render('login-signup', { req: req, error: "Account Created Successfully! Please Login" });
});
// Logout Route
app.get('/auth/logout', (req, res) => {
if (!req.session.loggedIn) {
return res.redirect('/');
}
req.session.destroy();
res.redirect('/');
});
// 404 Route
app.use((req, res) => {
res.status(404).sendFile(__dirname + '/public/404.html');
});
// Start Server
app.listen(port, () => {
let host = config.domain;
console.log(`Server started on ${host}:${port}`);
});
// Email Verification Function
async function sendVerificationEmail(email, code) {
let mailOptions = {
from: config.emailSender,
to: email,
subject: "Email Verification",
// HTML Body with css
html: `
<style>
.container {
width: 100%;
text-align: center;
}
.button {
background-color: #4CAF50;
border: none;
color: white;
padding: 15px 32px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
margin: 4px 2px;
cursor: pointer;
}
.code {
font-size: 20px;
}
.codeblock {
background-color: #f2f2f2;
padding: 10px;
border-radius: 5px;
}
</style>
<div class="container">
<h1>Email Verification</h1>
<p class="code"> Your verification code is: <b class="codeblock">${code}</b></p>
<p>Please click the button below to verify your email</p>
<a href="${config.domain}/me" class="button">Verify Email</a>
</div>
`
};
try {
await transporter2.sendMail(mailOptions);
} catch (err) {
console.log(err);
}
}
// Random unique code generator
async function generateCode() {
// Generate Random Code of 6 Characters
let code = Math.random().toString(36).substring(2, 8);
// Convert Code to UpperCase
code = code.toUpperCase();
// Check if Code Exists
let check = await db.get(`verification.${code}`);
if (check) {
let newCode = await generateCode();
return newCode;
} else {
return code;
}
}
// Image Search Function
async function searchImageByQuery(query) {
let si = false;
si = await new Promise((resolve, reject) => {
searchImage(query, async (err, results) => {
if (err) {
reject(err);
} else {
if (results.length < 1 || !results[0].url) {
resolve("https://www.thermaxglobal.com/wp-content/uploads/2020/05/image-not-found.jpg");
}
try {
resolve(results[0].url);
} catch (err) {
resolve("https://www.thermaxglobal.com/wp-content/uploads/2020/05/image-not-found.jpg");
}
}
});
});
return si;
}
// Fetch weather function
async function getWeatherData(city, country) {
let place = `${city}, ${country}`;
let www = false;
let weatherData;
try {
weatherData = await weather.find({
search: place,
degreeType: "C",
});
} catch (err) {
console.log(err);
return "Error";
}
www = {
temp: weatherData[0].current.temperature,
desc: weatherData[0].current.skytext,
humidity: weatherData[0].current.humidity,
wind: weatherData[0].current.winddisplay,
image: weatherData[0].current.imageUrl,
forecast: []
}
await new Promise((resolve, reject) => {
for (let i = 0; i < weatherData[0].forecast.length; i++) {
let forecast = {
day: weatherData[0].forecast[i].day,
low: weatherData[0].forecast[i].low,
high: weatherData[0].forecast[i].high,
desc: weatherData[0].forecast[i].skytextday
}
www.forecast.push(forecast);
}
resolve();
});
return www;
}
// Itinerary Generation Function
async function generateItinerary(days, place, members, budget) {
let prompt = fs.readFileSync('prompt.txt', 'utf8');
prompt = prompt.replace("AAAA", days);
prompt = prompt.replace("BBBB", place);
prompt = prompt.replace("CCCC", budget);
prompt = prompt.replace("DDDD", members);
let response;
try {
const messages = [
{
role: "system",
content: prompt
}
];
response = await g4f.chatCompletion(messages);
} catch (err) {
console.log(err);
return "Error";
}
// console.log(response)
return response;
}
// Currency Check Function
async function checkCurrency(currency) {
let valid = false;
let currencies = config.currencyCodes
if (currencies.includes(currency.toUpperCase())) {
valid = true;
}
return valid;
}