4. RESTful APIs with Node.js

Activity 5: Creating an API Endpoint for a Keypad Door Lock

Solution

1. Create a new project folder and change the directories going to it to the following:

   mkdir passcode
   cd passcode

2. Initialize an npm project and install express, express-validator, and jwt-simple. Then, make a directory for routes:

   npm init -y
   npm install --save express express-validator jwt-simple
   mkdir routes

3. Create a config.js file, just as you did in Exercise 21, Setting Up an Endpoint that Requires Authentication. This should contain a randomly generated secret value:

   let config = {};
   // random value below generated with command: openssl rand -base64 32
   config.secret = "cSmdV7Nh4e3gIFTO0ljJlH1f/F0ROKZR/hZfRYTSO0A=";
   module.exports = config;

4. Make the routes/check-in.js file in order to create a check-in route. This can be copied in whole from Exercise 21, Setting Up an Endpoint that Requires Authentication:

   const express = require('express');
   const...