/**
* Redirecting to: https://accounts.google.com/o/oauth2/auth?
* response_type=code
* &redirect_uri=[callback_address]
* &scope=https://www.googleapis.com/auth/drive.readonly
* &client_id=[client_id]
* &access_type=online
* &include_granted_scopes=true
*
* @param Request $request
* @param Response $response
* @return mixed
*/
public function authenticate(Request $request, Response $response)
{
$responseUrl = $this->helper->getCallbackUrl(self::AREA);
$config = $this->config;
// dereference for PHPStorm bug
$params = ['response_type' => 'code', 'redirect_uri' => $responseUrl, 'scope' => $config::SCOPE, 'client_id' => $this->config->getClientId(), 'access_type' => 'online', 'include_granted_scopes' => 'true'];
$url = $this->config->getAuthUri() . '?' . http_build_query($params);
return $response->withStatus(301)->withHeader('Location', $url);
}
