You will need a development environment running Node.js this tutorial was tested on Node.js version 10.22.0 and npm version 6.14.6. This tutorial will focus on storing tokens in localStorage and sessionStorage.īy the end of this tutorial, you’ll be able to add authentication to a React application and integrate the login and token storage strategies into a complete user workflow. As you build the application, you’ll explore different methods for storing tokens and will learn the security and experience trade-offs for each approach. If a user is not authenticated, you’ll provide an opportunity for them to log in and then allow them to continue without navigating to a dedicated login page. You’ll create a mock API that will return a user token, build a login page that will fetch the token, and check for authentication without rerouting a user. In this tutorial, you’ll create a React application using a token-based authentication system. Your React application will need to handle situations where a user tries to access a private page before they are logged in, and you will need to save the login information once they have successfully authenticated. You can use authentication to manage which users have access to which pages. Public pages are available to anyone, while a private page requires a user login. Many web applications are a mix of public and private pages. The author selected Creative Commons to receive a donation as part of the Write for DOnations program.
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