app.js

const express = require('express');
const jwt = require('jsonwebtoken');

const app = express();
const PORT = 3000;

const SHARED_SECRET = '';
const ZENDESK_SUBDOMAIN = '';

app.get('/test', (req, res) => {
    console.log(JSON.stringify(req.body, null, 4));

    const user = {
        email: 'user@example.com',
        name: 'John Doe'
    };

    if (!user) {
        return res.status(401).send('User not authenticated');
    }

    const payload = {
        iat: Math.floor(Date.now() / 1000),
        jti: `${Date.now()}`,
        name: user.name,
        email: user.email
    };

    const token = jwt.sign(payload, SHARED_SECRET);

    const zendeskUrl = `https://${ZENDESK_SUBDOMAIN}.zendesk.com/access/jwt?jwt=${token}`;
    res.redirect(zendeskUrl);
});

app.listen(PORT, () => {
    console.log(`Server is running on http://localhost:${PORT}`);
});