/**
* Redirects to the service for requesting access
*
* This is the first step of oAuth authentication
*
* This implementation tries to abstract away differences between oAuth1 and oAuth2,
* but might need to be overwritten for specific services
*/
public function login()
{
if (is_a($this->oAuth, 'OAuth\\OAuth2\\Service\\AbstractService')) {
/* oAuth2 handling */
$url = $this->oAuth->getAuthorizationUri();
} else {
/* oAuth1 handling */
// extra request needed for oauth1 to request a request token :-)
$token = $this->oAuth->requestRequestToken();
$url = $this->oAuth->getAuthorizationUri(array('oauth_token' => $token->getRequestToken()));
}
send_redirect($url);
}
public function getAuthorizationUri(array $additionalParameters = [])
{
$state = uniqid();
$this->storage->storeAuthorizationState($this->service(), $state);
return parent::getAuthorizationUri(array_merge(['state' => $state], $additionalParameters));
}
