test/parallel/test-http-extra-response.js


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'use strict';
const common = require('../common');
const assert = require('assert');
const http = require('http');
const net = require('net');

// If an HTTP server is broken and sends data after the end of the response,
// node should ignore it and drop the connection.
// Demos this bug: https://github.com/joyent/node/issues/680

const body = 'hello world\r\n';
const fullResponse =
    'HTTP/1.1 500 Internal Server Error\r\n' +
    'Content-Length: ' + body.length + '\r\n' +
    'Content-Type: text/plain\r\n' +
    'Date: Fri + 18 Feb 2011 06:22:45 GMT\r\n' +
    'Host: 10.20.149.2\r\n' +
    'Access-Control-Allow-Credentials: true\r\n' +
    'Server: badly broken/0.1 (OS NAME)\r\n' +
    '\r\n' +
    body;

const server = net.createServer(function(socket) {
  let postBody = '';

  socket.setEncoding('utf8');

  socket.on('data', function(chunk) {
    postBody += chunk;

    if (postBody.indexOf('\r\n') > -1) {
      socket.write(fullResponse);
      // omg, I wrote the response twice, what a terrible HTTP server I am.
      socket.end(fullResponse);
    }
  });

  socket.on('error', function(err) {
    assert.strictEqual(err.code, 'ECONNRESET');
  });
});


server.listen(0, common.mustCall(function() {
  http.get({ port: this.address().port }, common.mustCall(function(res) {
    let buffer = '';
    console.log('Got res code: ' + res.statusCode);

    res.setEncoding('utf8');
    res.on('data', function(chunk) {
      buffer += chunk;
    });

    res.on('end', common.mustCall(function() {
      console.log('Response ended, read ' + buffer.length + ' bytes');
      assert.strictEqual(body, buffer);
      server.close();
    }));
  }));
}));