$config.oauth.key, 'clientSecret' => $config.oauth.secret, 'redirectUri' => 'https://tty.hackers.town/auth', 'instance' => 'https://hackers.town', 'scope' => 'read:accounts', ]); if (!isset($_GET['code'])) { $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 { $user = $provider->getResourceOwner($token); echo $user->getName(); } catch(Exception $e) { exit('Oh dear...'); } echo $token->getToken(); } ?>