/**
* Tries to authenticate a user
* @param Request $request The request
* @return \Exception|RedirectResponse Returns an exception when authentication fails, or a redirect response when a redirect is required
* @throws \fkooman\OAuth\Client\Exception\ApiException
*/
public function tryAuthentication(Request $request)
{
$this->clientConfig->setRedirectUri($request->getUri());
if ($request->query->has('code') || $request->query->has('error')) {
try {
$this->callback->handleCallback($request->query->all());
} catch (AuthorizeException $ex) {
return $ex;
} catch (CallbackException $ex) {
return $ex;
}
}
if ($request->query->has('code')) {
$request->query->remove('code');
$request->query->remove('state');
$request->server->set('QUERY_STRING', http_build_query($request->query->all()));
return new RedirectResponse($request->getUri());
}
if (!$this->getAccessToken()) {
return new RedirectResponse($this->api->getAuthorizeUri($this->context));
}
}
