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app.js
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app.js
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require('dotenv').config()
const express = require('express');
const path = require('path');
const favicon = require('serve-favicon');
const logger = require('morgan');
const cookieParser = require('cookie-parser');
const bodyParser = require('body-parser');
const mongoose = require('mongoose');
const passport = require('passport');
const GitHubStrategy = require('passport-github').Strategy;
const FacebookStrategy = require('passport-facebook').Strategy;
const session = require('express-session');
const MongoStore = require('connect-mongo')(session);
const User = require("./models/user");
function generateOrFindUser(accessToken, refreshToken, profile, done) {
if (profile.emails[0]) {
User.findOneAndUpdate({ email: profile.emails[0].value }, {
name: profile.displayName || profile.username,
email: profile.emails[0].value,
photo: profile.photos[0].value
}, {
upsert: true
},
done
);
} else {
var noEmailError = new Error("Your email privacy settings prevent you from signing into Bookworm.");
done(noEmailError, null);
}
}
passport.use(new GitHubStrategy({
clientID: process.env.GITHUB_CLIENT_ID,
clientSecret: process.env.GITHUB_CLIENT_SECRET,
callbackURL: 'http://localhost:3000/auth/github/return'
},
generateOrFindUser));
passport.use(new FacebookStrategy({
clientID: process.env.FACEBOOK_APP_ID,
clientSecret: process.env.FACEBOOK_APP_SECRET,
callbackURL: "http://localhost:3000/auth/facebook/return",
profileFields: ['id', 'displayName', 'photos', 'email']
},
generateOrFindUser));
passport.serializeUser(function (user, done) {
done(null, user._id);
});
passport.deserializeUser(function (userId, done) {
User.findById(userId, done);
});
var routes = require('./routes/index');
var auth = require('./routes/auth');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
// mongodb connection
mongoose.connect("mongodb://localhost:27017/bookworm-oauth");
var db = mongoose.connection;
// Session Configuration for Passport and MongoDB
var sessionOptions = {
secret: "secret",
resave: true,
saveUninitialized: true,
store: new MongoStore({
mongooseConnection: db
})
};
app.use(session(sessionOptions));
//Initialize Passport.js
app.use(passport.initialize());
//Restore session
app.use(passport.session());
// mongo error
db.on('error', console.error.bind(console, 'connection error:'));
app.use('/', routes);
app.use('/auth', auth);
// catch 404 and forward to error handler
app.use(function (req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handlers
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
app.use(function (err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}
// production error handler
// no stacktraces leaked to user
app.use(function (err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});
module.exports = app;