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server.js
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server.js
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// Config files
require('./config/config');
// modules
////////////////////////////
const express = require('express');
const app = express();
const bodyParser = require('body-parser');
const passport = require('passport');
const LocalStrategy = require('passport-local').Strategy;
const cookieParser = require('cookie-parser');
const session = require('express-session');
const bcrypt = require('bcryptjs');
const { mongoose } = require('./config/mongoose');
const { Note } = require('./models/note');
const { User} = require('./models/user');
const port = process.env.PORT || 3000;
// Middleware
app.use(bodyParser.json());
app.use(express.static(__dirname + '/public'));
app.use(session({secret: 'ZsssCrHDg2qKZdENtrBbMao7'}));
app.use(cookieParser());
app.use(passport.initialize());
app.use(passport.session());
// Passport configuration
////////////////////////////////////
// The local strategy for passport
passport.use(new LocalStrategy({usernameField: 'email', passwordField: 'password'},(username, password, done) => {
console.log('Local strategy in use' + username);
User.findOne({ email: username }, function (err, user) { // Finds user using email
if (err) { return done(e); } // Collects error
if (!user) { // If no user found. Return that user is unauthorized.
return done(null, false, { message: 'Incorrect email or password.' });
}
if (!user.validPassword(password)) { // Check if password is valid with function from user model.
return done(null, false, { message: 'Incorrect email or password.' });
}
console.log(username + ' is authorized'); // logs to server if user is authorized
return done(null, user); // returns user
});
}));
// Serial user for the cookie sent to client.
passport.serializeUser((user, done) => {
done(null, user);
});
// Deserialize the users cookie.
passport.deserializeUser(function(user, done) {
User.findById(user._id, function(err, user) {
done(err, user);
});
});
// Note routes
////////////////////////////////////////////////
app.get('/notes/:id', (req, res) => { // takes parameter _ID to get users note.
if(!req.isAuthenticated()) { // Passport check if authorized.
return res.status(401).send('Unauthorized request');
}
var id = req.params.id;
Note.find({'author': id}).then((notes) => { // Find notes with authors ID.
res.send({ notes });
}, (e) => {
res.status(400).send(e); // Collects error
});
});
app.post('/notes', (req, res) => { // Post new note.
if(!req.isAuthenticated()) { // Passport check if authenticated.
return res.status(401).send('Unauthorized request');
}
var note = new Note({ // Create new note with provided author.
author: req.body.author,
});
note.save().then((doc) => { // Saves the note to database
res.send(doc); // Sends back the created note.
}, (e) => {
res.status(400).send(e); // Collects error
});
});
app.patch('/note/', (req, res) => { // Updates the note. Takes param
if(!req.isAuthenticated() || req.user._id != req.body.author) { // Checks if autenticated. And curretnUser is author to the note.
return res.status(401).send('Unauthorized request');
}
var note = req.body;
Note.findByIdAndUpdate(note._id, { $set: { title: note.title, createdOn: new Date(), text: note.text}},(err, foundNote) => {
if(err) {
res.send(e); // Collects error
}
res.send(foundNote);// Returns the updated note.
});
});
app.delete('/note/:id', (req, res) => { // Delete note. Takes params of note to be deleted.
if(!req.isAuthenticated()) {
return res.status(401).send('Unauthorized request'); // Check is user is authorized
}
var id = req.params.id;
Note.findByIdAndRemove(id, (err, foundNote) => {
if(req.user._id != foundNote.author) {
return res.status(401).send('Unauthorized request'); // Check if notes author is not matching user. Return 401.
}
if (err) {
res.send(e); // Collects error.
}
res.send(foundNote);
});
});
// User routes
////////////////////////////////////////////////
app.post('/register', (req, res) => { // Register new user. Takes user in body.
var user = new User(req.body);
User.find({ $or: [ { username: user.username }, { email: user.email } ] }, (e, existingUser) => { // FCheck if user already exist.
if (existingUser.length === 0) { // If no user found
user.save().then((doc) => { // Save and return user.
res.json(doc);
}, (e) => {
res.status(400).send(e); // Send back error.
});
} else {
res.json(null); // If user found return null
}
});
});
app.post('/login', passport.authenticate("local"), (req, res) => { // Login usin passport local strategy.
var user = req.body;
User.findOne({email: user.email}, (e, foundUser) => { // return user.
res.json(foundUser);
});
});
app.patch('/updateUser', (req, res) => { // Update current user. Takes user in req.
if(!req.isAuthenticated() || req.user._id != req.body._id) {
return res.status(401).send('Unauthorized request'); // Check if user is authorized usin passport. And if user is trying to update someone elses information.
}
var user = req.body;
User.findById(user._id, (e, foundUser) => { // Find user
if (e) {
return res.send(e); // Return eventual error
}
foundUser.update(user, (e, count) => { // Update found user.
if (e) {
return res.send(e); // Return if error exists.
}
});
});
res.send('1'); // return flag if everything is okey.
});
app.get('/loggedin', (req, res) => {
res.send(req.isAuthenticated() ? req.user : '0'); // Check if user is logged in using passport. If note return flag = 0.
});
app.get('/logout', function(req, res){ // logout user and return them to startpage.
req.logout();
res.redirect('/');
});
// serve index.html everytime
app.get('*', (req, res) => {
res.sendfile('./public/views/index.html');
});
app.listen(port, () => {
console.log(`started on port: ${port}`);
});