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186 lines (167 loc) · 4.69 KB
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const express = require('express');
const app = express();
const bodyParser = require('body-parser');
const bcrypt = require('bcrypt');
const cookieSession = require('cookie-session');
const PORT = 8080;
const { generateRandomString, verifyEmail, verifyPassword, urlsForUser } = require('./helpers');
app.set('view engine', 'ejs');
app.use(bodyParser.urlencoded({extended: true}));
app.use(cookieSession({
name: 'session',
keys: [ '9671111711aefasdv44c4cfcfr5', 'sfggfdgrg43534gdfd987678875456' ],
}));
// Users & URL database
const urlDatabase = {
b6UTxQ: { longURL: "https://www.tsn.ca", userID: "aJ48lW" },
i3BoGr: { longURL: "https://www.google.ca", userID: "abc34d" },
s34edr: { longURL: "https://www.yahoo.ca", userID: "f43faf" }
};
const users = {
'userRandomID': {
id: 'userRandomID',
email: '[email protected]',
password: 'purple-monkey-dinosaur'
},
'user2RandomID': {
id: 'user2RandomID',
email: '[email protected]',
password: 'dishwasher-funk'
}
};
// Homepage to urls if logged in otherwise to login page
app.get('/', (req, res) => {
const templateVars = {
user: users[req.session.user_id],
urls: urlsForUser(urlDatabase, req.session.user_id)
};
if (templateVars.user) {
res.render('urls', templateVars);
} else
res.redirect('/login');
});
// Log in account page
app.get('/login', (req, res) => {
const templateVars = {
user: users[req.session.user_id],
};
res.render('urls_login', templateVars);
});
// Register account page
app.get('/register', (req, res) => {
const templateVars = {
user: users[req.session.user_id],
};
res.render('urls_register', templateVars);
});
// URLs page previewing user created URLs
app.get('/urls', (req, res) => {
const templateVars = {
user: users[req.session.user_id],
urls: urlsForUser(urlDatabase, req.session.user_id)
};
if (templateVars.user) {
res.render('urls_index', templateVars);
} else
res.redirect('/login');
});
// Create a new URL page to generate a short URL
app.get('/urls/new', (req, res) => {
const templateVars = {
user: users[req.session.user_id],
urls: urlDatabase
};
if (templateVars.user) {
res.render('urls_new', templateVars);
} else
res.redirect('/login');
});
// Link to long URL when short URL link is clicked
app.get('/u/:shortURL', (req, res) => {
if (!urlDatabase[req.params.shortURL]) {
res.status(404);
return res.send('404 Page Not Found');
}
const longURL = urlDatabase[req.params.shortURL].longURL;
res.redirect(longURL);
});
app.get('/urls/:shortURL', (req, res) => {
const templateVars = {
user: users[req.session.user_id],
shortURL: req.params.shortURL,
longURL: urlDatabase[req.params.shortURL].longURL
};
if (req.session.user_id === urlDatabase[req.params.shortURL].userID) {
res.render("urls_show", templateVars);
} else {
res.send("Permission Denied");
}
});
// Login page for registered users
app.post('/login', (req, res) => {
const { email, password } = req.body;
let userPassword = verifyPassword(users, email, password);
if (userPassword) {
req.session.user_id = userPassword.id;
res.redirect('/urls');
} else {
res.status(403);
res.send('Email and password is not valid');
}
});
// Registration - Create an account
app.post('/register', (req, res) => {
const { email, password } = req.body;
let user = verifyEmail(users, email);
if ((!email) || (!password)) {
res.status(400);
res.send('Please provide a valid email and password');
} else if (user) {
res.status(400);
res.send('Email already exists.');
} else {
const userId = generateRandomString();
users[userId] = {
id: userId,
email: req.body.email,
password: bcrypt.hashSync(password, 10)
};
req.session.user_id = userId;
res.redirect('/urls');
}
});
// Logout of account
app.post('/logout', (req, res) => {
req.session.user_id = null;
res.redirect('/login');
});
// Generates a new short URL
app.post('/urls', (req, res) => {
if (req.session.user_id) {
const shortURL = generateRandomString();
urlDatabase[shortURL] = {
longURL: req.body.longURL,
userID: req.session.user_id
};
res.redirect(`/urls/${shortURL}`);
} else {
res.redirect('/login');
}
});
// Update URL page
app.post('/urls/:shortURL/update', (req, res) => {
let shortURL = req.params.shortURL;
urlDatabase[shortURL] = {
longURL: req.body.updatedLongURL,
userID: req.session.user_id
};
res.redirect(`/urls`);
});
// Option to delete URLs
app.post('/urls/:shortURL/delete', (req, res) => {
delete urlDatabase[req.params.shortURL];
res.redirect('/urls');
});
app.listen(PORT, () => {
console.log(`Example app listening on port ${PORT}!`);
});