index.js

//express basic authentication example
const app = require('express')()
const basicAuth = require('express-basic-auth')

app.use(basicAuth({
    users: { 'admin': '123456' },
    challenge: true,
    realm: 'xxxx',
    unauthorizedResponse: getUnauthorizedResponse
}))

app.get("/url", (req, res, next) => {
    res.json(["Tony", "Lisa", "Michael", "Ginger", "Food"]);
});

app.listen(3000, () => {
    console.log("Server running on port 3000");
});

function getUnauthorizedResponse(req) {
    return req.auth
        ? ('Credentials ' + req.auth.user + ':' + req.auth.password + ' rejected')
        : 'GO AWAY KAYDAN   No credentials provided'
}

package.json

{
  "name": "express_server",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "express": "^4.18.2",
    "express-basic-auth": "^1.2.1",
    "express-generator": "^4.14.1",
    "install": "^0.13.0",
    "npm": "^9.1.2"
  }
}