Webhooks

const crypto = require('crypto');
const express = require('express');
const app = express();

app.post('/webhooks/urlpixel', 
  express.raw({type: 'application/json'}), 
  (req, res) => {
    
  // Verify the signature
  const signature = req.headers['x-urlpixel-signature'];
  const expectedSignature = crypto
    .createHmac('sha256', process.env.WEBHOOK_SECRET)
    .update(req.body, 'utf8')
    .digest('hex');
  
  if (signature !== `sha256=${expectedSignature}`) {
    return res.status(401).send('Invalid signature');
  }
  
  // Handle the event
  const event = JSON.parse(req.body);
  const eventType = req.headers['x-urlpixel-event'];
  
  switch (eventType) {
    case 'screenshot.created':
      console.log('New screenshot:', event.data.url);
      // Add to your CMS, send notification, etc.
      break;
      
    case 'usage.warning':
      console.log('Usage warning:', event.data.percentage);
      // Consider upgrading plan, notify team, etc.
      break;
  }
  
  res.status(200).send('OK');
});