server.js

require('dotenv').config();

const express = require('express');
const path= require("path");
const logger = require('morgan');

const port = process.env.PORT || 3000;

const app = module.exports = express();
app.enable('trust proxy');
app.set('port', port);

app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');
app.use(express.urlencoded({ extended: true }));

app.use('/static', express.static('public'));

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));

app.use(require('express-session')({
    secret: process.env.APP_SECRET,
    resave: true,
    saveUninitialized: false
}));

const { ExpressOIDC  } = require('@okta/oidc-middleware');
const oidc = new ExpressOIDC({
    issuer: `${process.env.OKTA_ORG_URL}/oauth2/default`,
    client_id: process.env.OKTA_CLIENT_ID,
    client_secret: process.env.OKTA_CLIENT_SECRET,
    redirect_uri: `${process.env.HOST_URL}/authorization-code/callback`,
    scope: 'openid profile'
});

app.use(oidc.router);

app.use('/register', require('./routes/register'));

app.get('/logout', (req, res) => {
    if(req.userContext) {
        const idToken = req.userContext.tokens.id_token;
        const to = encodeURI(process.env.HOST_URL);
        const params = `id_token_hint=${idToken}&post_logout_redirect_uri=${to}`;
        req.logout();
        res.redirect(`${process.env.OKTA_ORG_URL}/oauth2/default/v1/logout?${params}`);
    } else {
        res.redirect('/');
    }
});

app.use('/upload', require('./routes/upload'));
app.use('/files', require('./routes/files'));

app.use('/', require('./routes/index'));


app.listen(port, () => {
    console.log(`App is live on port ${port}`);
});