CODEWITHSUNDEEP
javascriptiosnode.jsexpress
camel
camel

Reputation: 1473

Express set header content response type

I am trying to set header content type to be application/json for universal links from IOS, but still response is with

Content-Type: application/octet-stream

but should be

'Content-Type', 'application/json'

My simple server.js looks like follows:

// Install express server
const express = require('express');
const path = require('path');
const app = express();
// Serve only the static files form the dist directory
app.use(express.static(__dirname + '/dist'));
app.use(function (req, res, next) {
  res.setHeader('Content-Type', 'application/json');
  res.header('Content-Type', 'application/json');
  next();
});

app.get(
  '/dist/.well-known/apple-app-site-association',
  function (req, res, next) {
    console.log('it is not console.logged');

    res.header('Content-Type', 'application/json');
    res.sendFile(
      path.join(__dirname + '/dist/.well-known/apple-app-site-association')
    );
    res.setHeader('Content-Type', 'application/json');
    req.header('Content-Type', 'application/json');
  }
);
app.get('/*', function (req, res) {
  console.log('can log here');

  res.setHeader('Content-Type', 'application/json');
  res.sendFile(path.join(__dirname + '/dist/index.html'));
  res.header('Content-Type', 'application/json');
});

// Start the app by listening on the default Heroku port
app.listen(process.env.PORT || 8080);

How to set header conent type to be application/json?

Upvotes: 2

Views: 3085

Answers (1)

eol
eol

Reputation: 24565

Since you are using express.static, which is the first middleware in your code, requests that match the files in the static folder will be handled by express.static. The files in .well-known probably do not have a .json extension, hence the content type will be inferred as application/octet-stream as this is the default.

What you could do is simply add the following middleware before the static middleware to ensure that all .well-known files will be served with application/json content type:

app.use('/.well-known',(req, res, next) => {
    res.header('Content-Type', 'application/json');
    next();
});
app.use(express.static(__dirname + '/dist'));

Upvotes: 1

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