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 mongoSanitize = require('express-mongo-sanitize')
const helmet = require('helmet')
const userRoutes = require('./routes/users')
const campgroundRoutes = require('./routes/campgrounds')
const reviewRoutes = require('./routes/reviews')
const MongoDBStore = require("connect-mongo");
const dbUrl = process.env.DB_URL || 'mongodb://localhost:27017/yelp-camp';
mongoose.connect(dbUrl, {
  useNewUrlParser: true,
  useCreateIndex: true,
  useUnifiedTopology: true,
  useFindAndModify: false,
})

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 secret = process.env.SECRET || 'thisshouldbeabettersecret!';
const store = MongoDBStore.create({
            mongoUrl: dbUrl,
            secret,
            touchAfter:24*60*60
        })
store.on("error", function (e) {
    console.log("SESSION STORE ERROR", e)
})
const sessionConfig = {
    store,
    name: 'session',
    secret,
    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(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) => {
  console.log(req.session)
  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.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/',
]
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/dqiqiiy5k/', //SHOULD MATCH YOUR CLOUDINARY ACCOUNT!
        'https://images.unsplash.com/',
      ],
      fontSrc: ["'self'", ...fontSrcUrls],
    },
  }),
)

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 = 'Oh No, Something Went Wrong!'
  res.status(statusCode).render('error', { err })
})

const PORT = process.env.PORT || 3000;
app.listen(PORT, () => {
  console.log(`Serving on port ${PORT}`)
})