312 lines
9.5 KiB
JavaScript
312 lines
9.5 KiB
JavaScript
'use strict';
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const
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mw = require('../middleware.js'),
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mail = require('../mail.js'),
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User = require('../models.js').user,
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crypto = require('crypto'),
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moment = require('moment'),
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slugify = require('slug'),
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env = require('../env/env.js');
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module.exports = (app, passport) => {
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// Methods for success and failure
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const
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loginOutcome = {
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failureRedirect: '/login',
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failureFlash: true
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},
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loginCallback = (req,res)=>{
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//console.log(`Login callback called... redirecting to ${req.session.next}`);
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req.flash(req.session.flashType,req.session.flashMessage);
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req.session.flashType = undefined;
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req.session.flashMessage = undefined;
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res.redirect( req.session.next || '/map' );
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},
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appLoginCallback = (req,res,next)=>{
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//console.log('appLoginCallback called.');
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if (req.user){ res.send(req.user); }
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else {
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let err = new Error("Unauthorized");
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err.status = 401;
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next(err);
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}
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};
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// Login/-out
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app.route('/login')
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.get( (req,res)=>{
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// Already logged in
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if (req.isAuthenticated()) { loginCallback(req,res); }
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// Show login page
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else { res.render('login'); }
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})
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.post( passport.authenticate('local',loginOutcome), loginCallback );
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app.get('/logout', (req,res)=>{
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req.logout();
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req.flash('success',`You have been logged out.`);
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res.redirect( req.session.next || '/' );
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});
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// Signup
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app.route('/signup')
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.get( (req,res)=>{
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res.redirect('/login#signup');
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})
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.post( (req,res,next)=>{
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// Send token and alert user
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function sendToken(user){
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// Create a password token
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user.createPassToken( (err,token,expires)=>{
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if (err){
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mw.throwErr(err,req);
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res.redirect('/login#signup');
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}
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else {
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// Figure out expiration time
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let expirationTimeString = (req.query.tz)?
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moment(expires).utcOffset(req.query.tz).toDate().toLocaleTimeString(req.acceptsLanguages[0]):
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moment(expires).toDate().toLocaleTimeString(req.acceptsLanguages[0])+" UTC";
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// Email the instructions to continue
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mail.send({
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from: mail.from,
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to: `<${user.email}>`,
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subject: 'Complete your Tracman registration',
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text: mail.text(`Welcome to Tracman! \n\nTo complete your registration, follow this link and set your password:\n${env.url}/settings/password/${token}\n\nThis link will expire at ${expirationTimeString}. `),
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html: mail.html(`<p>Welcome to Tracman! </p><p>To complete your registration, follow this link and set your password:<br><a href="${env.url}/settings/password/${token}">${env.url}/settings/password/${token}</a></p><p>This link will expire at ${expirationTimeString}. </p>`)
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})
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.then(()=>{
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req.flash('success', `An email has been sent to <u>${user.email}</u>. Check your inbox and follow the link to complete your registration. (Your registration link will expire in one hour). `);
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res.redirect('/login');
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})
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.catch((err)=>{
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mw.throwErr(err,req);
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res.redirect('/login#signup');
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});
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}
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});
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}
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// Validate email
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req.checkBody('email', 'Please enter a valid email address.').isEmail();
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req.sanitizeBody('email').normalizeEmail({remove_dots:false});
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// Check if somebody already has that email
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User.findOne({'email':req.body.email})
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.then( (user)=>{
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// User already exists
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if (user && user.auth.password) {
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req.flash('warning','A user with that email already exists! If you forgot your password, you can <a href="/login/forgot">reset it here</a>.');
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res.redirect('/login#login');
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next();
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}
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// User exists but hasn't created a password yet
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else if (user) {
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// Send another token (or the same one if it hasn't expired)
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sendToken(user);
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}
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// Create user
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else {
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user = new User();
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user.created = Date.now();
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user.email = req.body.email;
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user.slug = slugify(user.email.substring(0, user.email.indexOf('@')));
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// Generate unique slug
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const slug = new Promise((resolve,reject) => {
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(function checkSlug(s,cb){
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User.findOne({slug:s})
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.then((existingUser)=>{
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// Slug in use: generate a random one and retry
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if (existingUser){
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crypto.randomBytes(6)
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.then( (buf)=>{
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s = buf.toString('hex');
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checkSlug(s,cb);
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})
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.catch( (err)=>{
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mw.throwErr(err,req);
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reject();
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});
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}
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// Unique slug: proceed
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else { cb(s); }
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})
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.catch((err)=>{
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mw.throwErr(err,req);
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reject();
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});
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})(user.slug, (newSlug)=>{
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user.slug = newSlug;
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resolve();
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});
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});
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// Generate sk32
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const sk32 = new Promise((resolve,reject) => {
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crypto.randomBytes(32)
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.then( (buf)=>{
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user.sk32 = buf.toString('hex');
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resolve();
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})
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.catch( (err)=>{
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mw.throwErr(err,req);
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reject();
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});
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});
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// Save user and send the token by email
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Promise.all([slug, sk32])
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.then( ()=>{ user.save(); })
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.then( ()=>{ sendToken(user); })
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.catch( (err)=>{
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mw.throwErr(err,req);
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res.redirect('/login#signup');
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});
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}
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})
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.catch( (err)=>{
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mw.throwErr(err,req);
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res.redirect('/signup');
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});
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});
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// Forgot password
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app.route('/login/forgot')
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.all( (req,res,next)=>{
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if (req.isAuthenticated()){ loginCallback(req,res); }
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else { next(); }
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} )
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.get( (req,res,next)=>{
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res.render('forgot');
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} )
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.post( (req,res,next)=>{
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// Validate email
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req.checkBody('email', 'Please enter a valid email address.').isEmail();
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req.sanitizeBody('email').normalizeEmail({remove_dots:false});
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User.findOne({'email':req.body.email})
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.then( (user)=>{
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// No user with that email
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if (!user) {
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// Don't let on that no such user exists, to prevent dictionary attacks
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req.flash('success', `If an account exists with the email <u>${req.body.email}</u>, an email has been sent there with a password reset link. `);
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res.redirect('/login');
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}
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// User with that email does exist
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else {
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// Create reset token
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user.createPassToken( (err,token)=>{
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if (err){ next(err); }
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// Email reset link
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mail.send({
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from: mail.from,
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to: mail.to(user),
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subject: 'Reset your Tracman password',
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text: mail.text(`Hi, \n\nDid you request to reset your Tracman password? If so, follow this link to do so:\n${env.url}/settings/password/${token}\n\nIf you didn't initiate this request, just ignore this email. `),
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html: mail.html(`<p>Hi, </p><p>Did you request to reset your Tracman password? If so, follow this link to do so:<br><a href="${env.url}/settings/password/${token}">${env.url}/settings/password/${token}</a></p><p>If you didn't initiate this request, just ignore this email. </p>`)
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}).then(()=>{
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req.flash('success', `If an account exists with the email <u>${req.body.email}</u>, an email has been sent there with a password reset link. `);
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res.redirect('/login');
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}).catch((err)=>{
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mw.throwErr(err,req);
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res.redirect('/login');
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});
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});
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}
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}).catch( (err)=>{
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mw.throwErr(err,req);
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res.redirect('/login/forgot');
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});
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} );
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// Android
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app.post('/login/app', passport.authenticate('local'), appLoginCallback);
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// Token-based (android social)
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app.get(['/login/app/google','/auth/google/idtoken'], passport.authenticate('google-token'), appLoginCallback);
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// app.get('/login/app/facebook', passport.authenticate('facebook-token'), appLoginCallback);
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// app.get('/login/app/twitter', passport.authenticate('twitter-token'), appLoginCallback);
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// Social
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app.get('/login/:service', (req,res,next)=>{
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let service = req.params.service,
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sendParams = (service==='google')?{scope:['https://www.googleapis.com/auth/userinfo.profile']}:null;
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// Social login
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if (!req.user) {
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//console.log(`Attempting to login with ${service} with params: ${JSON.stringify(sendParams)}...`);
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passport.authenticate(service, sendParams)(req,res,next);
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}
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// Connect social account
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else if (!req.user.auth[service]) {
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//console.log(`Attempting to connect ${service} account...`);
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passport.authorize(service, sendParams)(req,res,next);
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}
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// Disconnect social account
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else {
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//console.log(`Attempting to disconnect ${service} account...`);
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// Make sure the user has a password before they disconnect their google login account
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// This is because login used to only be through google, and some people might not have
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// set passwords yet...
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if (!req.user.auth.password && service==='google') {
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req.flash('warning',`Hey, you need to <a href="/settings/password">set a password</a> before you can disconnect your google account. Otherwise, you won't be able to log in! `);
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res.redirect('/settings');
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}
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else {
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req.user.auth[service] = undefined;
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req.user.save()
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.then(()=>{
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req.flash('success', `${mw.capitalize(service)} account disconnected. `);
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res.redirect('/settings');
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})
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.catch((err)=>{
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mw.throwErr(err,req);
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res.redirect('/settings');
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});
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}
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}
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});
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app.get('/login/google/cb', passport.authenticate('google',loginOutcome), loginCallback );
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app.get('/login/facebook/cb', passport.authenticate('facebook',loginOutcome), loginCallback );
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app.get('/login/twitter/cb', passport.authenticate('twitter',loginOutcome), loginCallback );
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};
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