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Auth0 SDK for React Single Page Applications

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📚 Documentation - 🚀 Getting Started - 💻 API Reference - 💬 Feedback

Documentation

  • Quickstart - our interactive guide for quickly adding login, logout and user information to a React app using Auth0.
  • Sample App - a full-fledged React application integrated with Auth0.
  • FAQs - frequently asked questions about the auth0-react SDK.
  • Examples - code samples for common React authentication scenario's.
  • Docs site - explore our docs site and learn more about Auth0.

Getting started

Installation

Using npm

npm install @auth0/auth0-react

Using yarn

yarn add @auth0/auth0-react

Configure Auth0

Create a Single Page Application in the Auth0 Dashboard.

If you're using an existing application, verify that you have configured the following settings in your Single Page Application:

  • Click on the "Settings" tab of your application's page.
  • Scroll down and click on the "Show Advanced Settings" link.
  • Under "Advanced Settings", click on the "OAuth" tab.
  • Ensure that "JsonWebToken Signature Algorithm" is set to RS256 and that "OIDC Conformant" is enabled.

Next, configure the following URLs for your application under the "Application URIs" section of the "Settings" page:

  • Allowed Callback URLs: https://localhost:3000
  • Allowed Logout URLs: https://localhost:3000
  • Allowed Web Origins: https://localhost:3000

These URLs should reflect the origins that your application is running on. Allowed Callback URLs may also include a path, depending on where you're handling the callback.

Take note of the Client ID and Domain values under the "Basic Information" section. You'll need these values in the next step.

Configure the SDK

Configure the SDK by wrapping your application in Auth0Provider:

// src/index.js
import React from 'react';
import { createRoot } from 'react-dom/client';
import { Auth0Provider } from '@auth0/auth0-react';
import App from './App';

const root = createRoot(document.getElementById('app'));

root.render(
  <Auth0Provider
    domain="YOUR_AUTH0_DOMAIN"
    clientId="YOUR_AUTH0_CLIENT_ID"
    authorizationParams={{
      redirect_uri: window.location.origin,
    }}
  >
    <App />
  </Auth0Provider>
);
Instructions for React <18 
// src/index.js
import React from 'react';
import ReactDOM from 'react-dom';
import { Auth0Provider } from '@auth0/auth0-react';
import App from './App';

ReactDOM.render(
  <Auth0Provider
    domain="YOUR_AUTH0_DOMAIN"
    clientId="YOUR_AUTH0_CLIENT_ID"
    authorizationParams={{
      redirect_uri: window.location.origin,
    }}
  >
    <App />
  </Auth0Provider>,
  document.getElementById('app')
);

Use the useAuth0 hook in your components to access authentication state (isLoading, isAuthenticated and user) and authentication methods (loginWithRedirect and logout):

// src/App.js
import React from 'react';
import { useAuth0 } from '@auth0/auth0-react';

function App() {
  const { isLoading, isAuthenticated, error, user, loginWithRedirect, logout } =
    useAuth0();

  if (isLoading) {
    return <div>Loading...</div>;
  }
  if (error) {
    return <div>Oops... {error.message}</div>;
  }

  if (isAuthenticated) {
    return (
      <div>
        Hello {user.name}{' '}
        <button onClick={() => logout({ logoutParams: { returnTo: window.location.origin } })}>
          Log out
        </button>
      </div>
    );
  } else {
    return <button onClick={() => loginWithRedirect()}>Log in</button>;
  }
}

export default App;

For more code samples on how to integrate auth0-react SDK in your React application, have a look at our examples.

API reference

Explore public API's available in auth0-react.

Feedback

Contributing

We appreciate feedback and contribution to this repo! Before you get started, please see the following:

Raise an issue

To provide feedback or report a bug, please raise an issue on our issue tracker.

Vulnerability Reporting

Please do not report security vulnerabilities on the public GitHub issue tracker. The Responsible Disclosure Program details the procedure for disclosing security issues.

Auth0 Logo

Auth0 is an easy to implement, adaptable authentication and authorization platform. To learn more checkout Why Auth0?

This project is licensed under the MIT license. See the LICENSE file for more info.