/**
* Catch $response on get it from api server.
*
* @param Irto\OAuth2Proxy\ProxyResponse $response
* @param Closure $next
*
* @return React\HttpClient\Response
*/
public function response($response, Closure $next)
{
$request = $response->originRequest();
$original = $response->clientResponse();
if ($request->originRequest()->getPath() == $this->server['config']->get('grant_path') && $original->getCode() == 200) {
$response->setCode(204);
$original->removeAllListeners('data');
$original->on('data', function ($data) use($response, $original) {
$this->bufferData($data);
if ($response->dataLength() === (int) $response->headers()->get('content-length', -1)) {
$original->close();
}
});
$original->on('end', function () use($response) {
$response->end();
$this->processResponse($response, json_decode($this->getDataEnd(), true));
});
}
$session = $request->session();
if ($original->getCode() == 401 && $session->has('oauth_grant.refresh_token')) {
$original->removeAllListeners('data');
$this->updateCredentials($response, function ($clientResponse) use($response, $request, $next, $session) {
$request->removeAllListeners('response');
$request->on('response', function ($original) use($next, $response) {
$response->mergeClientResponse($original);
$next($response);
});
$credentials = $session->get('oauth_grant');
$request->headers()->put('authorization', "{$credentials['token_type']} {$credentials['access_token']}");
$request->retry();
});
return false;
}
return $next($response);
}
