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: http://localhost:3000
Allowed Logout URLs: http://localhost:3000
Allowed Web Origins: http://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 (see below).
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
Create an Auth0Client instance before rendering or initializing your application. You should only have one instance of the client.
import { createAuth0Client } from'@auth0/auth0-spa-js';
//with async/awaitconst auth0 = awaitcreateAuth0Client({
domain: '<AUTH0_DOMAIN>',
clientId: '<AUTH0_CLIENT_ID>',
authorizationParams: {
redirect_uri: '<MY_CALLBACK_URL>'
}
});
//or, you can just instantiate the client on its ownimport { Auth0Client } from'@auth0/auth0-spa-js';
const auth0 = newAuth0Client({
domain: '<AUTH0_DOMAIN>',
clientId: '<AUTH0_CLIENT_ID>',
authorizationParams: {
redirect_uri: '<MY_CALLBACK_URL>'
}
});
//if you do this, you'll need to check the session yourselftry {
await auth0.getTokenSilently();
} catch (error) {
if (error.error !== 'login_required') {
throw error;
}
}
Logging In
You can then use login using the Auth0Client instance you created:
<buttonid="login">Click to Login</button>
//redirect to the Universal Login Pagedocument.getElementById('login').addEventListener('click', async () => {
await auth0.loginWithRedirect();
});
//in your callback route (<MY_CALLBACK_URL>)window.addEventListener('load', async () => {
const redirectResult = await auth0.handleRedirectCallback();
//logged in. you can get the user profile like this:const user = await auth0.getUser();
console.log(user);
});
For other comprehensive examples, see the EXAMPLES.md document.
Please do not report security vulnerabilities on the public GitHub issue tracker. The Responsible Disclosure Program details the procedure for disclosing security issues.
What is Auth0?
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.
Auth0 SDK for Single Page Applications using Authorization Code Grant Flow with PKCE
The npm package @auth0/auth0-spa-js receives a total of 540,485 weekly downloads. As such, @auth0/auth0-spa-js popularity was classified as popular.
We found that @auth0/auth0-spa-js demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago.It has 45 open source maintainers collaborating on the project.
Last updated on 11 Dec 2023
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