/**
* @param Request $request
* @param array $routeParams
* @return RedirectResponse|EmptyResponse
*/
public function handle(Request $request, array $routeParams = [])
{
session_start();
$provider = new Github(['clientId' => $this->settings->get('github.client_id'), 'clientSecret' => $this->settings->get('github.client_secret'), 'redirectUri' => $this->url->toRoute('github.login')]);
if (!isset($_GET['code'])) {
$authUrl = $provider->getAuthorizationUrl(['scope' => ['user:email']]);
$_SESSION['oauth2state'] = $provider->getState();
return new RedirectResponse($authUrl);
} elseif (empty($_GET['state']) || $_GET['state'] !== $_SESSION['oauth2state']) {
unset($_SESSION['oauth2state']);
echo 'Invalid state.';
exit;
}
$token = $provider->getAccessToken('authorization_code', ['code' => $_GET['code']]);
$owner = $provider->getResourceOwner($token);
$email = $owner->getEmail();
$username = preg_replace('/[^a-z0-9-_]/i', '', $owner->getNickname());
return $this->authenticated(compact('email'), compact('username'));
}
