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app.js
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app.js
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const express = require("express");
const app = express();
// Import routes
const humans = require("./routes/humans");
const locations = require("./routes/locations");
const users = require("./routes/users");
// For environment variables
require("dotenv").config();
// Bcrypt for password encryption
const bcrypt = require("bcrypt");
// Database initialization
const MongoClient = require("mongodb").MongoClient;
MongoClient.connect(`mongodb+srv://${process.env.MONGO_USER}:${process.env.MONGO_PASS}@sandbox.1ybr6.mongodb.net/myFirstDatabase?retryWrites=true&w=majority`,
{ useUnifiedTopology: true },
function(err, client, res) {
if ( err != null ) {
res.send(err);
}
app.locals.db = client.db("bootcamp_project2");
console.log(`Connected to database...`);
});
// Express middleware
app.use(express.static("public"));
app.use(express.json());
// External routes
app.use("/api/humans/", humans);
app.use("/api/locations/", locations);
app.use("/api/users/", users);
// Express session
const expressSession = require("express-session")({
secret: process.env.SESSION_SECRET,
resave: false,
saveUninitialized: false,
});
app.use(expressSession);
// Passport
const passport = require("passport");
app.use(passport.initialize());
app.use(passport.session());
const LocalStrategy = require("passport-local").Strategy;
passport.use(
new LocalStrategy(
{ usernameField: "email" },
function (email, password, done) {
app.locals.db.collection("users")
.find({ email: email })
.toArray(function (err, users) {
if (users.length === 0) {
return done(null, false);
}
const user = users[0];
if ( bcrypt.compareSync(password, user.password ) ) {
return done(null, user);
} else {
return done(null, false);
}
});
}
)
);
passport.serializeUser(function (user, done) {
done(null, user.email);
});
passport.deserializeUser(function (email, done) {
app.locals.db.collection("users")
.find({ email: email })
.toArray(function (err, users) {
if (users.length === 0) {
console.log("0 users");
done(null, null);
}
console.log("1 user");
done(null, users[0]);
});
});
// Route to check if user is logged
app.get("/api/check", (req, res) => {
if ( req.session.passport ) {
console.log("Logged: ", req.session.passport)
res.send( { isLogged: true } );
return;
}
console.log("Logged: ", req.session.passport)
res.send( { isLogged: false } );
});
app.post("/api/signin", function (req, res) {
const email = req.body.email;
const password = bcrypt.hashSync(req.body.password, 10);
const name = req.body.name;
const surname = req.body.surname;
const dateCreation = new Date();
app.locals.db.collection("users")
.findOne({ "email": email }, (err, user) => {
if ( !user ) {
app.locals.db.collection("users").insertOne(
{
name,
surname,
email,
password,
date_creation: dateCreation
},
(err, respuesta) => {
if (err !== null) {
res.send({ new_user: false, success: false, msg: "An error occurred: " + err });
} else {
res.send({ new_user: true, success: true, msg: "User was registered" });
}
}
);
} else {
res.send({ new_user: false, msg: "User is already registered" });
}
});
});
app.post("/api/login",
passport.authenticate("local", {
successRedirect: "/success",
failureRedirect: "/fail",
})
);
app.get("/success", (req, res) => {
res.send({ loginDataCorrect: true, msg: "Login successful", user: req.user, session: true });
});
app.get("/fail", (req, res) => {
res.send({ loginDataCorrect: false, msg: "Wrong user or password", session: false });
});
app.put("/api/logout", (req, res) => {
req.session.destroy(function (err) {
res.send({ loggedOut: true, msg: "Logout successful" });
});
});
const port = process.env.PORT || 3000;
app.listen(port, () => console.log(`Listening on port ${port}...`));