express.raw.js — express Source File

Architecture documentation for express.raw.js, a javascript file in the express codebase.

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Source Code

'use strict'

var assert = require('node:assert')
var AsyncLocalStorage = require('node:async_hooks').AsyncLocalStorage

var express = require('..')
var request = require('supertest')
const { Buffer } = require('node:buffer');

describe('express.raw()', function () {
  before(function () {
    this.app = createApp()
  })

  it('should parse application/octet-stream', function (done) {
    request(this.app)
      .post('/')
      .set('Content-Type', 'application/octet-stream')
      .send('the user is tobi')
      .expect(200, { buf: '746865207573657220697320746f6269' }, done)
  })

  it('should 400 when invalid content-length', function (done) {
    var app = express()

    app.use(function (req, res, next) {
      req.headers['content-length'] = '20' // bad length
      next()
    })

    app.use(express.raw())

    app.post('/', function (req, res) {
      if (Buffer.isBuffer(req.body)) {
        res.json({ buf: req.body.toString('hex') })
      } else {
        res.json(req.body)
      }
    })

    request(app)
      .post('/')
      .set('Content-Type', 'application/octet-stream')
      .send('stuff')
      .expect(400, /content length/, done)
  })

  it('should handle Content-Length: 0', function (done) {
    request(this.app)
      .post('/')
      .set('Content-Type', 'application/octet-stream')
      .set('Content-Length', '0')
      .expect(200, { buf: '' }, done)
  })

  it('should handle empty message-body', function (done) {
    request(this.app)
      .post('/')
      .set('Content-Type', 'application/octet-stream')
      .set('Transfer-Encoding', 'chunked')
// ... (454 more lines)