app.js

if(process.env.NODE_ENV !== "production"){
    require('dotenv').config();
}

const express = require('express');
const path= require('path');
const mongoose = require('mongoose');
const ejsMate=require('ejs-mate');
const session=require('express-session');
const flash=require('connect-flash');
const ExpressError= require('./utils/ExpressError');
const methodOverride=require('method-override');
const passport=require('passport');
const LocalStrategy=require('passport-local');
const User = require('./models/user');
const helmet = require('helmet');
const MongoStore = require('connect-mongo');
const mongoSanitize = require('express-mongo-sanitize');

const userRoutes= require('./routes/users');
const campgroundRoutes=require('./routes/campgrounds');
const reviewRoutes=require('./routes/reviews');
const job = require('./cron.js')
const dbUrl=process.env.DB_URL || 'mongodb://127.0.0.1:27017/campx';

job.start()

mongoose.connect(dbUrl);

const db=mongoose.connection;
db.on("error",console.error.bind(console,"connection error:"));
db.once("open", ()=>{
    console.log("Database connected");
});

const app= express();

app.engine('ejs',ejsMate);
app.set('view engine','ejs');
app.set('views',path.join(__dirname, 'views'))

app.use(express.urlencoded({extended:true}));
app.use(methodOverride('_method'));
app.use(express.static(path.join(__dirname,'public')))
app.use(mongoSanitize({
    replaceWith:'_'
}));

const store = MongoStore.create({
    mongoUrl: dbUrl,
    touchAfter: 24 * 60 * 60,
    crypto: {
        secret: 'thisshouldbeabettersecret!'
    }
});

store.on("error",function(e){
    console.log("SESSION STORE ERROR",e);
})

const sessionConfig = {
    store,
    name:'session',
    secret:'thisshouldbeabettersecret!',
    resave: false,
    saveUninitialized: true,
    cookie:{
        httpOnly: true,
        // secure:true,
        expires:Date.now()+1000*60*60*24*7,
        maxAge:1000*60*60*24*7
    }
}
app.use(session(sessionConfig));
app.use(flash());
app.use(helmet());

const scriptSrcUrls = [
    "https://stackpath.bootstrapcdn.com/",
    "https://api.tiles.mapbox.com/",
    "https://api.mapbox.com/",
    "https://kit.fontawesome.com/",
    "https://cdnjs.cloudflare.com/",
    "https://cdn.jsdelivr.net",
];
const styleSrcUrls = [
    "https://kit-free.fontawesome.com/",
    "https://stackpath.bootstrapcdn.com/",
    "https://api.mapbox.com/",
    "https://api.tiles.mapbox.com/",
    "https://fonts.googleapis.com/",
    "https://use.fontawesome.com/",
    "https://cdn.jsdelivr.net",
];
const connectSrcUrls = [
    "https://api.mapbox.com/",
    "https://a.tiles.mapbox.com/",
    "https://b.tiles.mapbox.com/",
    "https://events.mapbox.com/",
];
const fontSrcUrls = [];
app.use(
    helmet.contentSecurityPolicy({
        directives: {
            defaultSrc: [],
            connectSrc: ["'self'", ...connectSrcUrls],
            scriptSrc: ["'unsafe-inline'", "'self'", ...scriptSrcUrls],
            styleSrc: ["'self'", "'unsafe-inline'", ...styleSrcUrls],
            workerSrc: ["'self'", "blob:"],
            objectSrc: [],
            imgSrc: [
                "'self'",
                "blob:",
                "data:",
                "https://res.cloudinary.com/dgr21eiov/", //SHOULD MATCH YOUR CLOUDINARY ACCOUNT! 
                "https://images.unsplash.com/",
            ],
            fontSrc: ["'self'", ...fontSrcUrls],
        },
    })
);

app.use(passport.initialize());
app.use(passport.session());
passport.use(new LocalStrategy(User.authenticate()));

passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser());

app.use((req,res,next)=>{
    res.locals.currentUser=req.user;
    res.locals.success=req.flash('success');
    res.locals.error=req.flash('error');
    next();
})


app.use('/',userRoutes);
app.use('/campgrounds',campgroundRoutes);
app.use('/campgrounds/:id/reviews',reviewRoutes);


app.get('/',(req,res)=>{
    res.render('home');
});




app.all('*',(req,res,next)=>{
    next(new ExpressError('Page Not Found',404));
});

app.use((err,req,res,next)=>{
    const{statusCode=500}=err;
    if(!err.message) err.message='Something Went Wrong!';
    res.status(statusCode).render('error',{err});
});

app.listen(3000,()=>{
    console.log('Serving on port 3000');
});