I'm blocked since 3 days and did my research on the internet. Here' is the code.

api.js

const express = require('express');
const router = express.Router();
var http = require('http');
var https = require("https");

router.get('/github', async function (req, res) {
    https.get('https://api.github.com/v3/users/tmtanzeel', function (apiRes) {
        apiRes.pipe(res);

    }).on('error', (e) => {
        console.error(e);
        res.status(500).send('Something went wrong');
    });
});

Output:

Request forbidden by administrative rules. Please make sure your request has a User-Agent header (http://developer.github.com/v3/#user-agent-required). Check https://developer.github.com for other possible causes.

I found something useful here:

1. In Node.js/Express, how do I automatically add this header to every "render" response?
2. Requesting https://api.github.com/users (api) returns System.Net.HttpStatusCode.Forbidden IsSuccessStatusCode = false

But these were not very helpful.

I tried: res.setHeader("User-Agent", "My App"); but I'm not very sure about the second argument.

Modified server.js

const express = require('express');
const app = express();
const api = require('./routes/api');
const cors = require('cors');
app.use(cors());

app.use(function (req, res, next) {

    // Website you wish to allow to connect
    res.setHeader('Access-Control-Allow-Origin', '*');

    // Request methods you wish to allow
    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');

    // Request headers you wish to allow
    res.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type');

    // Set to true if you need the website to include cookies in the requests sent
    // to the API (e.g. in case you use sessions)
    res.setHeader('Access-Control-Allow-Credentials', true);

    res.setHeader("User-Agent", "My App"); // <-------------ADDED HEADER HERE

    // Pass to next layer of middleware
    next();
});

app.use('/api', api);
app.get('/', function (req, res) {
    res.send('Server is up and running!');
})

app.listen(3000, function () {
    console.log('Server listening on 3000 port');
});

Have you ever face this kind of issue. Please help.