riskio / oauth2-auth0
Auth0 OAuth 2.0 Client Provider for The PHP League OAuth2-Client
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Requires
- php: ^7.3|^8.0
- league/oauth2-client: ^2.2.1
Requires (Dev)
- phpunit/phpunit: ^9.3
README
This package provides Auth0 OAuth 2.0 support for the PHP League's OAuth 2.0 Client.
Installation
To install, use composer:
composer require riskio/oauth2-auth0
Usage
Usage is the same as The League's OAuth client, using Riskio\OAuth2\Client\Provider\Auth0
as the provider.
Authorization Code Flow
You have to provide some parameters to the provider:
- customDomain (optional):
- description: Custom domain used for the Auth0 login - https://auth0.com/docs/custom-domains (I.e.: login.custom-domain.tld - It will be prefixed with https:// automatically. If this is set, the region and account parameters will be ignored.)
- region (optional):
- description: Auth0 region
- values:
- Riskio\OAuth2\Client\Provider\Auth0::REGION_US (default value)
- Riskio\OAuth2\Client\Provider\Auth0::REGION_EU
- Riskio\OAuth2\Client\Provider\Auth0::REGION_AU
- Riskio\OAuth2\Client\Provider\Auth0::REGION_JP
- account (required if customDomain is not set):
- description: Auth0 account name
- clientId
- description: The client ID assigned to you by the provider
- clientSecret
- description: The client password assigned to you by the provider
- redirectUri
session_start(); $provider = new Riskio\OAuth2\Client\Provider\Auth0([ 'region' => '{region}', 'account' => '{account}', 'clientId' => '{auth0-client-id}', 'clientSecret' => '{auth0-client-secret}', 'redirectUri' => 'https://example.com/callback-url' ]); if (!isset($_GET['code'])) { // If we don't have an authorization code then get one $authUrl = $provider->getAuthorizationUrl(); $_SESSION['oauth2state'] = $provider->getState(); header('Location: ' . $authUrl); exit; // Check given state against previously stored one to mitigate CSRF attack } elseif (empty($_GET['state']) || ($_GET['state'] !== $_SESSION['oauth2state'])) { unset($_SESSION['oauth2state']); exit('Invalid state'); } else { // Try to get an access token (using the authorization code grant) $token = $provider->getAccessToken('authorization_code', [ 'code' => $_GET['code'] ]); // Optional: Now you have a token you can look up a users profile data try { // We got an access token, let's now get the user's details $user = $provider->getResourceOwner($token); // Use these details to create a new profile printf('Hello %s!', $user->getName()); } catch (Exception $e) { // Failed to get user details exit('Oh dear...'); } // Use this to interact with an API on the users behalf echo $token->getToken(); }
Refreshing a Token
Auth0's OAuth implementation does not use refresh tokens.