auth0.js

Client Side JavaScript toolkit for Auth0 API.

If you want to read the full API documentation of auth0.js, see here.

Index

• Install
• auth0.WebAuth
• auth0.Authentication
• auth0.Management
• Passwordless Login
• Documentation
• Migration
• Develop
• Issue Reporting
• Author
• License

Install

From CDN:

<!-- Latest patch release -->
<script src="https://cdn.auth0.com/js/auth0/9.14.3/auth0.min.js"></script>

From npm:

npm install auth0-js

After installing the auth0-js module, you'll need bundle it up along with all of its dependencies.

auth0.WebAuth

Provides support for all the authentication flows.

Initialize

var auth0 = new auth0.WebAuth({
  domain: '{YOUR_AUTH0_DOMAIN}',
  clientID: '{YOUR_AUTH0_CLIENT_ID}'
});

Parameters

All parameters can be considered optional unless otherwise stated.

API

authorize(options)

Redirects to the /authorize endpoint to start an authentication/authorization transaction. Auth0 will call back to your application with the results at the specified redirectUri.

Note: The default scope for this method is openid profile email.

auth0.authorize({
  audience: 'https://mystore.com/api/v2',
  scope: 'read:order write:order',
  responseType: 'token',
  redirectUri: 'https://example.com/auth/callback'
});

parseHash(options, callback)

Parses a URL hash fragment to extract the result of an Auth0 authentication response.

Note: This method requires that your tokens are signed with RS256. Please check our Migration Guide for more information.

auth0.parseHash({ hash: window.location.hash }, function(err, authResult) {
  if (err) {
    return console.log(err);
  }

  // The contents of authResult depend on which authentication parameters were used.
  // It can include the following:
  // authResult.accessToken - access token for the API specified by `audience`
  // authResult.expiresIn - string with the access token's expiration time in seconds
  // authResult.idToken - ID token JWT containing user profile information

  auth0.client.userInfo(authResult.accessToken, function(err, user) {
    // Now you have the user's information
  });
});

checkSession(options, callback)

Allows you to acquire a new token from Auth0 for a user who already has an SSO session established against Auth0 for your domain. If the user is not authenticated, the authentication result will be empty and you'll receive an error like this: {error: 'login_required'}.The method accepts any valid OAuth2 parameters that would normally be sent to /authorize.

Everything happens inside an iframe, so it will not reload your application or redirect away from it.

auth0.checkSession(
  {
    audience: 'https://mystore.com/api/v2',
    scope: 'read:order write:order'
  },
  function(err, authResult) {
    // Authentication tokens or error
  }
);

The contents of authResult are identical to those returned by parseHash().

Important: If you're not using the hosted login page to do social logins, you have to use your own social connection keys. If you use Auth0's dev keys, you'll always get login_required as an error when calling checkSession.

Important: Because there is no redirect in this method, responseType: 'code' is not supported and will throw an error.

Remember to add the URL where the authorization request originates from to the Allowed Web Origins list of your Auth0 Application in the Dashboard under your Applications's Settings.

client.login(options, callback)

Authenticates a user with username and password in a realm using /oauth/token. This will not initialize a SSO session at Auth0, hence can not be used along with silent authentication.

auth0.client.login(
  {
    realm: 'Username-Password-Authentication', //connection name or HRD domain
    username: '[email protected]',
    password: 'areallystrongpassword',
    audience: 'https://mystore.com/api/v2',
    scope: 'read:order write:order'
  },
  function(err, authResult) {
    // Auth tokens in the result or an error
  }
);

The contents of authResult are identical to those returned by parseHash().

onRedirecting hook

When using login to log in using a username and password, Auth0.js initially makes a call to Auth0 to get a login ticket, before sending that login ticket to the /authorize endpoint to be exchanged for tokens. You are able to specify an onRedirecting hook here to handle when Auth0.js is about to redirect to the /authorize endpoint, for the purposes of executing some custom code (analytics, etc).

To do this, specify the onRedirecting function in the options and ensure that the done callback is called when you are finished executing your custom code. Otherwise, authentication will be blocked.

auth0.client.login(
  {
    realm: 'Username-Password-Authentication', //connection name or HRD domain
    username: '[email protected]',
    password: 'areallystrongpassword',
    onRedirecting: function(done) {
      // Your custom code here
      done();
    }
  },
  function(err, authResult) {
    // Auth tokens in the result or an error
  }
);

auth0.Authentication

Provides an API client for the Auth0 Authentication API.

Initialize

var auth0 = new auth0.Authentication({
  domain: '{YOUR_AUTH0_DOMAIN}',
  clientID: '{YOUR_AUTH0_CLIENT_ID}'
});

API

buildAuthorizeUrl(options)

Builds and returns the /authorize url in order to initialize a new authN/authZ transaction. https://auth0.com/docs/api/authentication#database-ad-ldap-passive-

buildLogoutUrl(options)

Builds and returns the Logout url in order to initialize a new authN/authZ transaction. https://auth0.com/docs/api/authentication#logout

loginWithDefaultDirectory(options, cb)

Makes a call to the oauth/token endpoint with password grant type. https://auth0.com/docs/api-auth/grant/password

login(options, cb)

Makes a call to the oauth/token endpoint with https://auth0.com/oauth/grant-type/password-realm grant type.

oauthToken(options, cb)

Makes a call to the oauth/token endpoint.

userInfo(token, cb)

Makes a call to the /userinfo endpoint and returns the user profile.

auth0.Management

Provides an API Client for the Auth0 Management API (only methods meant to be used from the client with the user token). You should use an access_token with the https://YOUR_DOMAIN.auth0.com/api/v2/ audience to make this work. For more information, read the user management section of the Auth0.js documentation.

Passwordless Login

For information on how to implement Passwordless Login with this SDK, please read Passwordless Login on Auth0 Docs.

Initialize

var auth0 = new auth0.Management({
  domain: '{YOUR_AUTH0_DOMAIN}',
  token: '{ACCESS_TOKEN_FROM_THE_USER}'
});

API

• getUser(userId, cb): Returns the user profile. https://auth0.com/docs/api/management/v2#!/Users/get_users_by_id
• patchUserMetadata(userId, userMetadata, cb): Updates the user metadata. It will patch the user metadata with the attributes sent. https://auth0.com/docs/api/management/v2#!/Users/patch_users_by_id
• patchUserAttributes(userId, user, cb): Updates the user attributes. It will patch the root attributes that the server allows it. To check what attributes can be patched, go to https://auth0.com/docs/api/management/v2#!/Users/patch_users_by_id
• linkUser(userId, secondaryUserToken, cb): Link two users. https://auth0.com/docs/api/management/v2#!/Users/post_identities

Documentation

For a complete reference and examples please check our docs.

Migration

If you need help migrating to v9, please refer to the v9 Migration Guide.

If you need help migrating to v8, please refer to the v8 Migration Guide.

Develop

Run npm install to set up the environment.

Run npm start to point your browser to https://localhost:3000/ to verify the example page works.

Run npm test to run the test suite.

Run npm run ci:test to run the tests that ci runs.

Run npm run test:watch to run the test suite while you work.

Run npm run test:coverage to run the test suite with coverage report.

Run npm run lint to run the linter and check code styles.

Run npm install && npm run build && npm run test:es-check:es5 && npm run test:es-check:es2015:module to check for JS incompatibility.

See .circleci/config.yml for additional checks that might be run as part of circleci integration tests.

Issue Reporting

If you have found a bug or if you have a feature request, please report them at this repository issues section. Please do not report security vulnerabilities on the public GitHub issue tracker. The Responsible Disclosure Program details the procedure for disclosing security issues.

For auth0 related questions/support please use the Support Center.

Author

Auth0

License

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