If there is no record, the method returns undefined and we handle the error using a 404 code. Use Express for Node.js to build a web API. The API is different in versions prior to Node.js 8.6.0. The web API needs to be protected by Azure AD B2C itself. The verify method has self-explanatory in there which: The code above is a method for verifying unverified account in our application, the code is simple, the endpoint method is GET and its got param inside it, called token. Let's wrap the login-button and logout-button mixins into a mixin called authentication-button. Add configurations to a configuration file. Update this section as follows: Visit http://localhost:4040/external-api/protected-message and log out from there. tokenRequest: The configuration object used to acquire a token by authorization code. routes folder: This folder will contain all controller file. The code will be like this. But, its gonna be useful in the future. You need to create UI components for your users to trigger authentication events: login, logout, and sign up. In .env, TWILIO_ACCOUNT_SID = <YOUR_ACCOUNT_SID>. Open the vs-code terminal and then initialize the node package manager by typing. The web app can call it without presenting an access token. For full details about the example Vue.js application see the post Vue.js - Basic HTTP Authentication Tutorial & Example. So, how about the validation that we talk about? How to use that getAuthenticatedUser? Subscribe to my YouTube channel or follow me on Twitter, Facebook or GitHub to be notified when I post new content. Here, I will show you how to make an authentication API that will be used to verify users in a database (MongoDB) and return a JSON web token. The .json() chain method from got lets you obtain the server responses in JSON format. As with the login method, you can pass LogoutOptions to req.oidc.logout() to customize its behavior. To create a web API, do the following: Add the authentication library to your web API project. You no longer need to pass activeRoute down to your templates from each controller. Below is an example of a signup request made with postman. With the .env configuration values set, run the API server by issuing the following command: Your Express application needs to pass an access token when it calls a target API to access protected resources. As soon as the request-response cycle is complete, the values are gone. Heres the thing you must look carefully. This command creates a default package.json file for your Node.js project. The users controller defines all user routes for the api, the route definitions are grouped together at the top of the file and the implementations are below. Now that we have a few registered users, we will create a "/login" endpoint to allow them to login with a valid username/password. Then you could take that :page parameter and use it to tell Auth0 to return users to serverUrl/page after they log in or log out. Add Private and Public Key in the root of the Node.js + Express.js App. Linus Muema is a Kotlin and Javascript developer. As usual, you can open Postman for testing. Hi friends, lets talk about NodeJS again. JSON Web Tokens (JWT) are an RFC 7519 open industry standard for representing claims between two parties. V2. Run and Test Authentication Role Permission API using Node Express MySQL. For an extended example that uses JWT, includes support for user registration and stores data in MongoDB check out NodeJS + MongoDB - Simple API for Authentication, Registration and User Management. Create a .env file and put following code inside it. You can download the MongoDB in here (https://www.mongodb.com/try/download/community). You have completed setting up an authentication service that your Express application can consume. For use that file, were just called config package that we already installed. Passport. You dont need to know. You should now stay in the same page after either action completes without any errors. First thing first, this article is gonna be long and complex, But its gonna be explained in every step, so you can fully understand whats going on. You can build extensible interfaces. Using mongoose, we connect the server to mongoDB using the mongodb:// uri. The details of the OpenID Connect Scopes go into the ID Token. Additionally, the user property is null if there is no logged-in user. We'll be creating a REST API that feature a mixture of authenticated and un-authenticated JSON endpoints and we'll be implementing a nice and simple JWT . Welcome fellow programmers! It would be better to create a single dynamic route that can handle different "types" of login and logout actions: Since the /sign-up route behaves very much like the /login route, you are enhancing that route too in case that you want to use the "Sign Up" button in your application. As such, you set this property to false. Go to package.json copy and replace the scripts object with this code below: Heres the result, it means, the server is running. Hi friends, let's talk about NodeJS again. This is completely a beginner-friendly article. The code is self-explanatory by the way. Even if you are beginner feel free to try this tutorial, we gonna start from scratch. This tutorial covered the most common authentication use case for an Express web application: simple sign-up, login and logout and calling protected APIs. Now, see the response up there, were logging in with the activated account first, and we input the data inside the body, make a request and boom! To learn how to get your web API application registration ID, see, The user flows, or custom policy. Before we jump to making the controller, lets make some helper first for our controller. In this file, create a mongoose schema with the following properties: fullName. Available APIs User APIs POST /users. You'll learn how to do just that in the next section. Lets Go! "console.log(crypto.randomBytes(32).toString('hex'))", "navbar navbar-expand-md navbar-light bg-light", "rounded-circle img-fluid profile-picture mb-3 mb-md-0", // Update the mounting and initialization of auth(), "window.location='/external-api/public-message'", "window.location='/external-api/protected-message'", Howdy! Scroll down and click on the "Save Changes" button. So I passed the verification token to the params, lets see the result below. Log out and try to access the Profile page again. The browser will refresh automatically whenever the source code changes: for example, when you modify a CSS rule or change the return value of a function. A JWT is made up of three components in the form of strings separated by a dot (. lastName. You'll see this in action in the next sections. In Express web applications, you have access to a one-way data flow from route controller to template. Structure of the repo and installation are now adjusted to OEX standards. npm install express jsonwebtoken. Add a comment | Authentication is most important feature in every application. password. Until now, Passport.js still a robust, flexible, and modular authentication middleware for Node.js environment. Instead of creating an API from scratch to test the authentication and authorization flows between the client and the server, you'll use a demo Express API that I've prepared for you. This includes the creation of the Session model for our database, the token generation to represent sessions, changes to our users route to use the sessions, and . Visit the "Profile" page and try to log in or log out. You should have remained in that same page. In just one minute, you can deploy apps as close as possible to your users. JWT explicitly defines a compact and self-containing secured protocol for transmitting data. Using authentication-button, you can add login and logout functionality to a navigation bar component, for example, without thinking about the implementation details of how the authentication switch works. The Passport library provides more than 500 authentication mechanisms, including OAuth, JWT, and simple username and password based authentication. As always, Im testing this on Postman, so Im gonna fill the body response like this. It also has an expiry duration of 24hrs, you can add a different one like 2 days, 60 * 60 (1 minute), etc. JSON Web Token is an open standard for securely transferring data within parties using a JSON object. NodeJS Full Authentication The Complete Guide. Since this route requires a valid access token to make the protected API request, it uses requiresAuth() to request the user to log in. In the signin.hbs file, add the following code: In the api.hbs file, add the following code: This page displays the response from the API. Locate the auth0-express-pug-sample/.env file and add your AUTH0_AUDIENCE, SERVER_URL, and CLIENT_SECRET values to it: The value of AUTH0_AUDIENCE is the same for both the Express web app and the Express API. The last thing you must do, just click that Send button in Postman, and you should be got the response exactly like this. Now we are all set with the coding section so, we are left only with the Testing part and for that, we will be using VS-code extension rest-client Now the vs-code extension "rest-client" needs a "rest.http" file inside the root directory of our project containing all our requests. The front . Facebook Click on the Profile tab and now click on the "Log In" button. The file contains information about your Azure AD B2C identity provider. Before you begin read and complete the steps in the Configure authentication in a sample Node.js web API by using Azure AD B2C. Use the value of Client Secret from the Auth0 application settings as the value of CLIENT_SECRET. I am going to cover the steps used to do so. Resend new verification data to the user that wanna activate the account. But to get up and running quickly just follow the below steps. Any UI that changes from page to page, such as signin.hbs, is placed in the placeholder shown as {{{body}}}. app.php: This file will use to create nodejs application server and routes url. This section briefly covers how authentication works with LoginRadius. Im gonna name it Verification.js and place it in app/models folder. He has a great passion for writing code, trying out new programming paradigms, and is always ready to help other developers. The schema model has two fields, name and passwords, which are of type String. Sections Node.js Edge Hosting empowers DevOps teams to run mission critical Node.js applications at the network edge for blazingly fast results with enterprise level AppSec protection. thats our token for authentication. Click the "Create" button to complete the process. you can use your own customize string to JWT Secret Key. Change the http request method to "POST" with the dropdown selector on the left of the URL input field. Next, initialize a new package.json: npm init -y. Initiate Node Token-Based Authentication Project. You can follow our adventures on YouTube, Instagram and Facebook. The login method has self-explanatory in there which: The code above is a method for logging in user account in our application, the code is simple, but its more complex because we make some lots of logic in there but, Im making a comment in there so you can understand what that method is doing. I do technology research at Auth0 with a focus on security and identity and develop apps to showcase the advantages or pitfalls of such technology. Once your users log in successfully, Auth0 takes them back to your app, returning JSON Web Tokens (JWTs) with their authentication and user information. Hope that makes sense. This Express web app is using static routes to render its user interface. Tags: Head back to the Routes Definitions section in src/index.js. You get the validation too, and guest What? In the above code, we import the jsonwebtoken module and create a variable known as tokenSecret which will be used to decrypt and encrypt our payloads. Encoding the keys will prevent us from getting a bunch of warnings in the terminal when building the Docker containers. One way to fix this home-page redirect is to create a dedicated route for each type of login and logout: However, this method won't scale well at all. Install got in your auth0-express-pug-sample project: got labels itself as a human-friendly and powerful HTTP request library for Node.js applications. In your terminal, run npm install express. Each application is assigned a Client ID upon creation, which is an alphanumeric string, and it's the unique identifier for your application (such as q8fij2iug0CmgPLfTfG1tZGdTQyGaTUA). You should also ensure that the index.js file name is the same as the value of main property in the package.json file. Feel free to dive deeper into the Auth0 Documentation to learn more about how Auth0 helps you save time on implementing and managing identity. In a follow-up guide, we'll cover advanced authentication patterns and tooling, such as using a pop-up instead of a redirect to log in users, adding permission information to the oidc namespace, using metadata to enhance user profiles, and much more. Create a login-button.pug file under the src/components/ directory: Create a mixin to represent a login button component in src/components/login-button.pug like so: Under the hood, Express OpenID Connect created a /login route for your Express application. A bouncer is a person employed by a nightclub or similar establishment to prevent troublemakers from entering or to eject them from the premises. The code is just like this. ^5.5.2. Once you complete this experiment, swap back signup-button with login-button to continue with the rest of this guide: You can customize the appearance of New Universal Login pages. Take this auth() configuration as example: Now, whenever you configure auth() to get a code as your response_type, you need to include the Client Secret of your Auth0 application. Create an authentication-button.pug file under the src/components/ directory: Populate src/components/authentication-button.pug with the following code: isAuthenticated is a boolean value exposed by the req.oidc object. Then, users can log in to read protected information. Step 5 - Create Server.js File. Where is that value coming from? You now need to initialize, configure, and integrate express-openid-connect with your Express application. Under this section, there are different subsections that define routes for each feature of your Expres web application. Let's Start . When you created a new Auth0 account, Auth0 asked to pick a name for your Tenant. Let's say that you have a photo-sharing Express app called "Noddit". Express security is not too different from nightclub security. Server B then consumes the REST API as usual but sends the token along with the request. This endpoint returns the value of the name claim within the access token. Then we will check logged in user's permitted routes to access. All that is left is for you to continue building up the starter project throughout this guide by implementing components to trigger and manage the authentication flow. The server then listens to port number 2400 for any incoming requests. During the Auth0 setup section of this guide, you defined "Allowed Logout URLs" for the Auth0 application that represents your Express web application in the Auth0 platform: Auth0 can only redirect your users after they log out to the URLs listed in that field. Im gonna place this in auth.js file inside app/middlewares folder and Im gonna add a new exported code called loginValidation in this code like this. You can use profile data stored in your Auth0 user database to personalize the user interface of your Express application. /external-api/public-message requests message data from a public API endpoint, /api/messages/public-message. And thats it. Think of it as your application's password, which must be kept confidential at all times. There is no route controller to handle the following requests: You could create a route controller to handle those specific paths, but there's no need. So, after setting those headers, I headed to Body, and fill the request body with these. Were made in the edge of AuthController. You can focus on building Express components to secure your application. Create a project folder to build secure user authentication REST API, run the following command. views folder: This folder will contain all ejs template files. With the help of Auth0, you don't need to be an expert on identity protocols, such as OAuth 2.0 or OpenID Connect, to understand how to secure your web application stack. It implements UI built with the Bootstrap 5 CSS Framework. authCodeRequest: The configuration object used to retrieve authorization code. Add Function to Generate JWT. Open the .env file from your auth0-express-pug-sample project directory and update it as follows: For the AUTH0_ISSUER_BASE_URL value, is your Domain value from the "Settings". Viewed 796 times 0 I'm new to NodeJS and developing an API using it, I want the API to be authenticated with an API token method (only people with a token stored in DB, created through a specific encryption should be able to access the API . The /login route controller that the Express OpenID Connect library created for you has a hard-coded value for the path to which Auth0 should return users after they log in. We have created a starter project to help you learn Node.js security concepts through hands-on practice. See the result? If they all match, we can generate new JSON web tokens to be used. To implement these new authentication route controllers easily, you can leverage the activeRoute property that you are passing from your route controllers to your templates. Its value is true when Auth0 has authenticated the user and false when it hasn't. Update the > Authentication subsection as follows: Now, you need to update your login and logout buttons to use these custom route controllers instead of the default ones created by Express OpenID Connect. Project Set-up. openid: This scope informs the Auth0 authorization server that the client is making an OpenID Connect (OIDC) request to verify the user's identity. Ensure that you clone it outside your Express project directory. For full details about the example Blazor application see the post Blazor WebAssembly - Basic HTTP Authentication Tutorial & Example. Before we're talking to our main topic, I just made an article last week, talking about NodeJS too. This application will be built using Express.js (a popular Node.js web framework). But, I will expect you already know how to build a RESTful API with Node.js. The SESSION_SECRET value is the secret used to sign the session ID cookie, which can be either a string for a single secret or an array of multiple secrets. It obtains the access token and its type from req.oidc.accessToken. Locate the Routes Definitions section in src/index.js. Were making full AuthController with full functionality in there. We also have to set up routing in our servers entry point. Update src/components/signup-button.pug as follows: Update src/components/login-button.pug as follows: Update src/components/logout-button.pug as follows: activeRoute is available in any template without the need to pass it down from mixin to mixin. So the point is, every time theres a new user, the user must hit this endpoint in order to verify their account. Below are instructions on how to use Postman to authenticate a user with the api, and then make an authenticated request with basic authentication credentials to retrieve a list of users from the api. Open the Universal Login section of the Auth0 Dashboard and choose the "New" option under the "Experience" subsection. Protect application routes. The app for this tutorial is a minimal Hello world App Engine app, with one non-typical feature: instead of "Hello world" it displays "Hello user-email . Locate the "Client Secret" field. Step 4 - Install express and required Modules. Some of the ID token information includes the name, nickname, picture, and email of the logged-in user. Node.js, Redis, MongoDB, Typegoose, Docker: JWT Authentication example. Assume there are two servers, A and B, and an authorization server. Step 3: Update the .env file with the private and public keys. There are 2 main functions for Authentication: - signup: create new User in database (role is user if not specifying role) - signin: find username of the request in database, if it exists. The id of the schema is not necessary as mongoose automatically creates one if there is none. Express is the web server used by the api, it's one of the most popular web application frameworks for Node.js. Im writing an article about this, the link I put at the top of this article. Node.js runtime. You can use a form to log in with a username and password or a social identity provider like Google. So don't worry if you do not know what is MVC is, Im gonna explain in this article. Make sure don't use password and other sensitive . But its for resetting the password and the method is POST. In this case, were just making this endpoint for just in case. Lets move on! So, thats the error message when the user is not yet activated. And the same, the token of that response will be used in Reset Password. As you can see, you must copy the verification token from Forgot Password endpoint, and paste the token in there, and also you can pass your new password there. To start, open the src/index.js file. Ready to move on? witch stories. mongoose. After that, you can update the route in routes/api/auth.js file. authentication-api node.js project has the following dependencies. This method returns a promise, and we send the response accordingly. It's the base URL that you will use to access the Auth0 APIs and the URL where you'll redirect users to log in. In this article, you learn how to create your web app that calls your web API. Get the profile information only if he is logged in. To learn how to get your user flow or policy, see, The scopes of your web API application registration such as, It's the entry to the web app, and renders the. Open src/index.js and update the Required External Modules section to import auth: Then, update the App Configuration section to initialize and use auth as an Express middleware function: You are adding two additional properties, authRequired and auth0Logout.