Converted reset controller from eventemitter to async.waterfall.
This commit is contained in:
Sahat Yalkabov
@ -1,3 +1,4 @@
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var async = require('async');
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var bcrypt = require('bcrypt-nodejs');
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var nodemailer = require('nodemailer');
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var User = require('../models/User');
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@ -12,194 +13,82 @@ exports.getReset = function(req, res) {
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return res.redirect('/');
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}
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var conditions = {
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_id: req.params.id,
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resetPasswordExpires: { $gt: Date.now() }
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};
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// Get the user
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User.findOne(conditions, function(err, user) {
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if (err) {
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req.flash('errors', err);
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return res.render('account/reset', {
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validToken: false
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User
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.where('resetPasswordToken', req.params.token)
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.where('resetPasswordExpires').gt(Date.now())
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.exec(function(err, user) {
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if (!user) {
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req.flash('errors', { msg: 'Password reset token is invalid or has expired.' });
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return res.redirect('/forgot');
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}
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res.render('account/reset', {
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title: 'Password Reset'
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});
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}
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if (!user) {
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req.flash('errors', { msg: 'Password reset token is invalid or has expired.' });
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return res.redirect('/forgot');
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}
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// Validate the token
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bcrypt.compare(req.params.token, user.resetPasswordToken, function(err, isValid) {
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if (err) {
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req.flash('errors', err);
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return res.render('account/reset', {
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validToken: false
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});
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}
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if (!isValid) {
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req.flash('errors', { msg: 'Your reset request token is invalid.' });
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return res.render('account/reset', {
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validToken: false
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});
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} else {
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req.flash('success', { msg: 'Token accepted. Reset your password!' });
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return res.render('account/reset', {
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validToken: true
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});
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}
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});
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});
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};
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/**
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* POST /reset/:id/:token
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* Process the POST to reset your password
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* POST /reset/:token
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* Process the reset password request.
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*/
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exports.postReset = function(req, res) {
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exports.postReset = function(req, res, next) {
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req.assert('password', 'Password must be at least 4 characters long.').len(4);
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req.assert('confirm', 'Passwords must match.').equals(req.body.password);
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// Create a workflow
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var workflow = new (require('events').EventEmitter)();
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var errors = req.validationErrors();
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/**
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* Step 1: Validate the password(s) meet complexity requirements and match.
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*/
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if (errors) {
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req.flash('errors', errors);
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return res.redirect('back');
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}
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workflow.on('validate', function() {
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async.waterfall([
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function(done) {
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User
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.where('resetPasswordToken', req.params.token)
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.where('resetPasswordExpires').gt(Date.now())
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.exec(function(err, user) {
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if (!user) {
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req.flash('errors', { msg: 'Password reset request is invalid. It may have expired.' });
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return res.redirect('back');
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}
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done(err, user);
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});
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},
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function(user, done) {
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user.password = req.body.password;
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user.resetPasswordToken = undefined;
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user.resetPasswordExpires = undefined;
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req.assert('password', 'Password must be at least 4 characters long.').len(4);
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req.assert('confirm', 'Passwords must match.').equals(req.body.password);
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var errors = req.validationErrors();
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if (errors) {
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req.flash('errors', errors);
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return res.render('account/reset', {});
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user.save(function(err) {
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if (err) return next(err);
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req.logIn(user, function(err) {
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done(err, user);
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});
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});
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},
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function(user, done) {
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var smtpTransport = nodemailer.createTransport('SMTP', {
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service: 'SendGrid',
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auth: {
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user: secrets.sendgrid.user,
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pass: secrets.sendgrid.password
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}
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});
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var mailOptions = {
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to: user.profile.name + ' <' + user.email + '>',
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from: 'hackathon@starter.com',
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subject: 'Your Hackathon Starter password has been changed',
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text: 'Hello,\n\n' +
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'This is a confirmation that the password for your account ' + user.email + ' has just been changed.\n'
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};
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smtpTransport.sendMail(mailOptions, function(err) {
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done(err);
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});
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}
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// next step
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workflow.emit('findUser');
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], function(err) {
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if (err) return next(err);
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res.redirect('/');
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});
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/**
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* Step 2: Lookup the User
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* We are doing this again in case the user changed the URL
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*/
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workflow.on('findUser', function() {
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var conditions = {
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_id: req.params.id,
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resetPasswordExpires: { $gt: Date.now() }
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};
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// Get the user
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User.findOne(conditions, function(err, user) {
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if (err) {
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req.flash('errors', err);
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return res.render('account/reset', {});
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}
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if (!user) {
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req.flash('errors', { msg: 'Your reset request is invalid. It may have expired.' });
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return res.render('account/reset', {});
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}
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// Validate the token
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bcrypt.compare(req.params.token, user.resetPasswordToken, function(err, isValid) {
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if (err) {
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req.flash('errors', err);
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return res.render('account/reset', {});
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}
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if (!isValid) {
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req.flash('errors', { msg: 'Your reset request token is invalid.' });
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return res.render('account/reset', {});
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}
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});
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// next step
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workflow.emit('updatePassword', user);
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});
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});
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/**
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* Step 3: Update the User's Password and clear the
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* clear the reset token
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*/
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workflow.on('updatePassword', function(user) {
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user.password = req.body.password;
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user.resetPasswordToken = '';
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user.resetPasswordExpires = Date.now();
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// update the user record
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user.save(function(err) {
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if (err) {
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req.flash('errors', err);
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return res.render('account/reset', {});
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}
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// Log the user in
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req.logIn(user, function(err) {
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if (err) {
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req.flash('errors', err);
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return res.render('account/reset', {});
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}
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// next step
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workflow.emit('sendEmail', user);
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});
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});
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});
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/**
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* Step 4: Send the User an email letting them know thier
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* password was changed. This is important in case the
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* user did not initiate the reset!
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*/
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workflow.on('sendEmail', function(user) {
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// Create a reusable nodemailer transport method (opens a pool of SMTP connections)
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var smtpTransport = nodemailer.createTransport("SMTP", {
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service: "Gmail",
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auth: {
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user: process.env.SMTP_USERNAME || '',
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pass: process.env.SMTP_PASSWORD || ''
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}
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// See nodemailer docs for other transports
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// https://github.com/andris9/Nodemailer
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});
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// create email
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var mailOptions = {
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to: user.profile.name + ' <' + user.email + '>',
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from: 'hackathon@starter.com', // TODO parameterize
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subject: 'Password Reset Notice',
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text: 'This is a courtesy message from hackathon-starter. Your password was just reset. Cheers!'
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};
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// send email
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smtpTransport.sendMail(mailOptions, function(err) {
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if (err) {
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req.flash('errors', { msg: err.message });
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req.flash('info', { msg: 'You are logged in with your new password!' });
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res.redirect('/');
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} else {
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// Message to user
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req.flash('info', { msg: 'You are logged in with your new password!' });
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res.redirect('/');
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}
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});
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// shut down the connection pool, no more messages
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smtpTransport.close();
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});
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/**
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* Initiate the workflow
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*/
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workflow.emit('validate');
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};
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