public function __construct(Container $container)
{
$this->helper = $container->helper;
$this->config = $container->config;
$this->view = $container->view;
$this->provider = new Google(['clientId' => $this->config->getClientId(), 'clientSecret' => $this->config->getClientSecret(), 'redirectUri' => $this->helper->getCallbackUrl(self::AREA)]);
}
/**
* Sends request:
* curl --data "code=[GET->code]
* &grant_type=authorization_code
* &client_id=[client_id]
* &client_secret=[client_secret]
* &redirect_uri=[url_of_this_function]"
* https://www.googleapis.com/oauth2/v3/token
*
* Gets response:
* [
* 'code' => '4/PTIwf4eUb3ajdD21_access_code'
* 'scope' => 'https://www.googleapis.com/auth/drive.readonly'
* ]
* @param Request $request
* @param Response $response
* @return \Psr\Http\Message\MessageInterface|\Psr\Http\Message\ResponseInterface
*/
public function authenticateCallback(Request $request, Response $response)
{
$code = $request->getQueryParams()['code'] ?? '';
try {
if (!$code) {
throw new \Exception('No access code provided.');
}
$client = new Client();
$params = ['code' => $code, 'grant_type' => 'authorization_code', 'client_id' => $this->config->getClientId(), 'client_secret' => $this->config->getClientSecret(), 'redirect_uri' => $this->helper->getCallbackUrl(self::AREA)];
$response = $client->post($this->config->getTokenUri(), ['form_params' => $params]);
$json = json_decode($response->getBody(), true);
$this->helper->setAccessToken($json);
if (!isset($json['access_token'])) {
throw new \Exception("Access token not returned.");
}
return $response->withStatus(301)->withHeader('Location', '/' . self::AREA);
} catch (\Exception $ex) {
return $this->view->render($response, 'error.twig', ['error' => $ex->getMessage()]);
}
}
