feat: refined implementation for raw binary files handling (#3734) (#3829)

---------
Co-authored-by: marcosadsj <marcosadsj@gmail.com>
Co-authored-by: naman-bruno <naman@usebruno.com>
Co-authored-by: sanish chirayath <sanish@usebruno.com>

packages/bruno-tests/collection/echo/multiline/echo binary.bru

@@ -0,0 +1,15 @@
+meta {
+  name: echo binary
+  type: http
+  seq: 1
+}
+
+post {
+  url: {{echo-host}}
+  body: binaryFile
+  auth: none
+}
+
+body:binary-file {
+  file: @file(bruno.png) @contentType(image/png)
+}

packages/bruno-tests/src/echo/index.js

@@ -19,6 +19,17 @@ router.post('/xml-raw', (req, res) => {
   return res.send(req.rawBody);
 });
 
+router.post('/bin', (req, res) => {
+  const rawBody = req.body;
+
+  if (!rawBody || rawBody.length === 0) {
+    return res.status(400).send('No data received');
+  }
+
+  res.set('Content-Type', req.headers['content-type'] || 'application/octet-stream');
+  res.send(rawBody);
+});
+
 router.get('/bom-json-test', (req, res) => {
   const jsonData = {
     message: 'Hello!',

packages/bruno-tests/src/index.js

@@ -10,6 +10,7 @@ const multipartRouter = require('./multipart');
 const app = new express();
 const port = process.env.PORT || 8080;
 
+app.use(express.raw({type: '*/*', limit: '100mb'}));
 app.use(cors());
 app.use(xmlParser());
 app.use(bodyParser.text());