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Building Web Applications with React and ASP.NET Core

Implementing a Central Authentication Context

Explore how to centralize authentication state and functions using React context and Auth0. Learn to create a strongly typed authentication context, custom hooks, and a provider component to manage user sign-in, sign-out, and access tokens securely across your React application.

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We are going to put state and functions for authentication in a central place in our code. We could use Redux for this, but we are going to take this opportunity to use a context in React.

Note: React context is a standard feature in React that allows components to share data without having to pass it through component properties.

We are going to put our authentication state and functions in a React context that we'll provide to all of the components in our app.

Authentication context implementation in React app

Let's carry out the following steps:

  1. Create a new file in the src folder called Auth.tsx with the following import statements:

C#
import React from 'react';
import createAuth0Client from '@auth0/auth0-spa-js';
import Auth0Client from '@auth0/auth0-spa-js/dist/
typings/Auth0Client';
import { authSettings } from './AppSettings';

  1. We'll start the implementation by creating a strongly typed context. Add the following code under the import statements in Auth.tsx: ...