app.js

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

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

const userRoutes = require("./routes/user");
const campgroundRoutes = require("./routes/campgrounds");
const reviewRoutes = require("./routes/reviews");

const MongoDBStore = require("connect-mongo")(session);
const dbUrl = process.env.DB_URL || "mongodb://localhost:27017/yelp-camp";
mongoose.connect(dbUrl, {
  useNewUrlParser: true,
  useUnifiedTopology: true,
  useCreateIndex: 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.json());
app.use(express.urlencoded({ extended: true }));
app.use(methodOverride("_method"));
app.use(mongoSanitize());

const secret = process.env.SECRET || "thisshouldbeabettersecret";
const store = new MongoDBStore({
  url: dbUrl,
  secret: secret,
  touchAfter: 24 * 60 * 60,
});

store.on("error", function (e) {
  console.log("Session error", e);
});

const sessionConfig = {
  store,
  name: "session",
  secret: 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(helmet());

const scriptSrcUrls = [
  "https://api.tiles.mapbox.com",
  "https://api.mapbox.com",
  "https://cdn.jsdelivr.net",
  "https://js.stripe.com/v3/",
  "https://stackpath.bootstrapcdn.com",
  "https://kit.fontawesome.com",
];
const styleSrcUrls = [
  "https://stackpath.bootstrapcdn.com",
  "https://api.mapbox.com",
  "https://api.tiles.mapbox.com",
  "https://fonts.googleapis.com",
  "https://cdn.jsdelivr.net",
];
const connectSrcUrls = [
  "https://api.mapbox.com",
  "https://*.tiles.mapbox.com",
  "https://ka-f.fontawesome.com",
  "https://events.mapbox.com",
];
const fontSrcUrls = [
  "https://ka-f.fontawesome.com",
  "https://fonts.gstatic.com",
];
app.use(
  helmet.contentSecurityPolicy({
    directives: {
      defaultSrc: [],
      connectSrc: ["'self'", ...connectSrcUrls],
      scriptSrc: ["'unsafe-inline'", "'self'", ...scriptSrcUrls],
      styleSrc: ["'self'", "'unsafe-inline'", ...styleSrcUrls],
      workerSrc: ["'self'", "blob:"],
      childSrc: ["blob:"],
      frameSrc: ["https://js.stripe.com"],
      objectSrc: [],
      imgSrc: [
        "'self'",
        "blob:",
        "data:",
        "https://res.cloudinary.com/dsgvp2wmj/", //SHOULD MATCH YOUR CLOUDINARY ACCOUNT!
        "https://images.unsplash.com",
        "https://cdn.dribbble.com",
      ],
      fontSrc: ["'self'", ...fontSrcUrls],
    },
  })
);

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

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

app.use(async (req, res, next) => {
  res.locals.currentUser = req.user;
  if (req.user) {
    try {
      let user = await User.findById(req.user._id)
        .populate("notifications", null, { isRead: false })
        .exec();
      res.locals.notifications = user.notifications.reverse();
    } catch (err) {
      console.log(err.message);
    }
  }
  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(express.static(path.join(__dirname, "public")));

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

app.all("*", (req, res, next) => {
  next(new ExpressError("Looks Like You Are Lost", 404));
});
app.use((err, req, res, next) => {
  const { statusCode = 500 } = err;
  if (!err.message) err.message = "Oh No! Something went wrong";
  if (!err.statusCode) err.statusCode = 500;
  res.status(statusCode).render("error", { err });
});
const port = process.env.PORT || 3001;
app.listen(port, () => {
  console.log("On port3001");
});