"Encountered a problem while setting up the Mailgun webhook to handle both multipart and URL encoded

I have been working on creating a web hook listener for Mailgun, and I encountered an issue when I realized that Mailgun can post webhooks using either multipart or x-www-form-urlencoded content-types.

Currently, my code uses Multer to handle multipart but it cannot handle x-www-form-urlencoded, so I also tried using BodyParser which handles x-www-form-urlencoded but not multipart.

My question is straightforward: How can I modify my webhook listener to support both content types (multipart and x-www-form-urlencoded) effectively?

var express = require('express');
var multer  = require('multer');
var app = express();

app.set('port', process.env.PORT || 3000);


app.post('/parse', multer().any(), function (req, res) {
  var contentType = req.get('Content-Type');
  console.log(contentType);

  res.sendStatus(200);
});

var server = app.listen(app.get('port'), function() {
  console.log('Listening on port %d', server.address().port);
});

Answer №1

Through my investigation, I discovered a solution by utilizing express-busboy, which operates on top of busboy-connect and has the ability to parse various content-types.

const express = require('express');
const busboy = require('express-busboy');
const app = express();

busboy.extend(app, {
  upload: true,
  path: '/uploads',
  allowedPath: /./
});

app.set('port', process.env.PORT || 3000);

app.post('/parse', function (req, res) {
  console.log(req);
  console.log(req.body);
  console.log(req.files);

  res.sendStatus(200);
});


const server = app.listen(app.get('port'), () => {
  console.log('Server is running on port %d', server.address().port);
});

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