Files
EMI-Backend/index.js
2022-12-28 22:54:19 -05:00

275 lines
9.8 KiB
JavaScript

require('dotenv').config();
const express = require('express');
const path = require('path');
const app = express();
const port = process.env.PORT || 3000;
const bodyParser = require('body-parser');
const cookieParser = require('cookie-parser');
const cors = require('cors');
const Notifications = require("./notifications");
const webPush = require('web-push');
const publicVapidKey = process.env.PUBLIC_VAPID_KEY;
const privateVapidKey = process.env.PRIVATE_VAPID_KEY;
const webPushEmail = process.env.WEB_PUSH_EMAIL;
webPush.setVapidDetails('mailto:' + webPushEmail, publicVapidKey, privateVapidKey);
var corsOptions = {
origin: ['http://localhost:8080', "https://social.emmint.com"],
credentials: true
};
app.use(cors(corsOptions));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(cookieParser());
const bcrypt = require('bcrypt');
const crypto = require('crypto');
const DB = require("./mongoDB.js");
// Utilities
const getSessionId = function (req) {
const session_id = req.cookies.session_id || req.query.session_id || req.body.session_id;
return session_id;
}
const getUserId = function (req) {
const user_sid = req.cookies.user_sid || req.query.user_sid || req.body.user_sid;
return user_sid;
}
const getProfileId = function (req) {
const profile_id = req.cookies.profile_id || req.query.profile_id || req.body.profile_id;
return profile_id;
}
// Definitions
const Post = require("./def/post.js")
const Profile = require("./def/profile.js");
const profileRoute = require('./routes/profile.js');
const postRoute = require('./routes/post.js');
const paymentsRoute = require('./routes/payments.js');
const subsplashRoute = require('./routes/subsplash.js');
DB.getDB.then((DB) => {
app.use(DB.logger)
// middleware function to check for logged-in users
const sessionChecker = async (req, res, next) => {
const session_id = getSessionId(req);
const user_sid = getUserId(req);
let profile_id = getProfileId(req);
if (session_id && user_sid) {
const userInfo = await DB.checkSessionOnDB(session_id, user_sid);
req.userInfo = userInfo;
if (!await DB.getProfileCache(profile_id)) {
const latestProfile = await DB.latestProfile(user_sid);
res.cookie('profile_id', latestProfile._id, cookiesOptions);
profile_id = latestProfile._id;
}
req.profileInfo = { _id: profile_id }
if (!userInfo) return res.redirect('/login');
next();
} else {
return res.redirect('/login');
}
};
// route for Home-Page
app.get('/', sessionChecker, async (req, res) => {
if (req.userInfo) return res.json({
status: "ok",
userInfo: req.userInfo,
profileInfo: req.profileInfo
});
res.json({ status: "ok" });
});
app.post('/subscribe', (req, res) => {
const subscription = req.body;
res.status(201).json({});
const profileid = getProfileId(req);
DB.setWebSubscription(profileid, subscription);
});
// route for user signup
const signup = async function (req, res) {
const username = req.query.username || req.body.username;
const password = req.query.password || req.body.password;
const email = req.query.email || req.body.email;
const profile = req.query.profile || req.body.profile;
if (!username || !password || !email) return res.json({ status: "fail" });
//Check if the new user has an invitation
if (!await DB.getInvitation(email)) return res.json({ status: "Not invitation found!" });
//const hashedPassword = await bcrypt.hash(password, 10);
const hashedPassword = await bcrypt.hash(password, 10);
const response = await DB.newUser({
username: username.toLowerCase(),
email: email.toLowerCase(),
password: hashedPassword
});
if (!response.toLowerCase) {
let user = {
userid: response.insertedId,
profile: profile,
}
const userObj = new Profile(user);
await DB.newProfile(userObj);
return await login(req, res);
}
return res.json({ status: response })
}
app.route('/signup').get(async (req, res) => {
return await signup(req, res);
}).post(async (req, res) => {
return await signup(req, res);
});
const cookiesOptions = {
maxAge: 1000 * 60 * 60 * 24 * 90, // would expire after 30 days
httpOnly: true, // The cookie only accessible by the web server
//signed: true // Indicates if the cookie should be signed
sameSite: 'none', // This and secure are required for properly
secure: true, // manage cockies in cros-domain
};
// route for user Login
const login = async function (req, res) {
const session_id = getSessionId(req);
const user_sid = getUserId(req);
if (session_id && user_sid) {
const userInfo = await DB.checkSessionOnDB(session_id, user_sid);
if (userInfo) return res.redirect('/');
}
const username = req.body.username || req.query.username;
const password = req.body.password || req.query.password || "";
const user = await DB.getUser(username);
if (!user) return res.json({ status: "user not founded" });
const samePass = await bcrypt.compare(password, user.password);
if (!samePass) return res.json({ status: "incorrect password" });
const doc = await DB.newSession(user._id);
res.cookie('user_sid', user._id, cookiesOptions);
res.cookie('session_id', doc.insertedId, cookiesOptions);
//Chooses the most recent update profile
const latestProfile = await DB.latestProfile(user._id);
res.cookie('profile_id', latestProfile._id, cookiesOptions);
return res.json({
status: "ok",
user_sid: user._id,
session_id: doc.insertedId,
profile_id: latestProfile._id
});
}
app.route('/login').get(async (req, res) => {
return await login(req, res);
}).post(async (req, res) => {
return await login(req, res);
});
function generatePassword() {
var length = 8,
charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789",
retVal = "";
for (var i = 0, n = charset.length; i < length; ++i) {
retVal += charset.charAt(Math.floor(Math.random() * n));
}
return retVal;
}
app.route('/resetPassword').post(async (req, res) => {
const session_id = getSessionId(req);
const user_sid = getUserId(req);
if (session_id && user_sid) {
const userInfo = await DB.checkSessionOnDB(session_id, user_sid);
if (userInfo){
const password = req.body.password;
const hashedPassword = await bcrypt.hash(password, 10);
DB.resetUserPassword(userInfo.username, hashedPassword);
return res.json({
status: "ok",
details: 'password changed!'
});
}
}
const username = req.body.username;
const user = await DB.getUser(username);
if (!user) return res.json({ status: "user not founded" });
const password = generatePassword();
const hashedPassword = await bcrypt.hash(password, 10);
DB.resetUserPassword(username, hashedPassword);
//We need to limit this to every 2 hours or something like this.
Notifications.sendEmail(username, "Your new credentials",
`
<p> Hello,</p>
<p> This is your new password: ${password}</p>
<p><a href="https://social.emmint.com/">Log in</a></p>
<p>Blessings</p>
<p>Emmanuel International Ministries</p>
`)
return res.json({
status: "ok",
details: 'Check your email for new password'
});
});
app.post('/changeProfile', sessionChecker, async (req, res) => {
const user_sid = getUserId(req);
let profile = await DB.getProfile(req.body.profileid);
if (!profile || profile.userid != user_sid) return res.json({
status: "profile does not belong to the logged user",
});
res.cookie('profile_id', profile._id, cookiesOptions);
return res.json({
status: "ok",
...profile
});
});
app.post('/token/', sessionChecker, async (req, res) => {
const profileid = getProfileId(req);
let token = req.body.token
DB.setProfileToken(profileid, token);
return res.json({
status: "ok"
});
});
// route for user logout
const logout = function (req, res) {
const session_id = getSessionId(req);
const user_sid = getUserId(req);
if (session_id && user_sid) {
res.clearCookie('session_id');
res.clearCookie('user_sid');
//remove from DB
DB.removeSession(session_id);
res.redirect('/');
} else {
res.redirect('/login');
}
}
app.get('/logout', (req, res) => {
return logout(req, res);
});
//Private Routes
app.use('/user', sessionChecker, profileRoute);
app.use('/post', sessionChecker, postRoute);
app.use('/payments', sessionChecker, paymentsRoute);
//Public Routes
app.use('/subsplash', subsplashRoute);
// route for handling 404 requests(unavailable routes)
app.use(function (req, res, next) {
res.status(404).send("Sorry can't find that!")
});
app.listen(port, () => {
console.log(`Example app listening at http://localhost:${port}`);
});
}).catch((err) => {
throw err;
});