/**
* Creates and returns access token for a user
* @param AdvancedUserInterface $user [description]
* @return [type] [description]
*/
public function generateAccessToken(AdvancedUserInterface $user)
{
if (is_null($user->getOAuthClient()->getId())) {
throw new \Exception('User must have an OAuth Client', 500);
}
// Search valid token
$oauth_access_token = $this->oauth_manipulator->getValidTokenForClient($user->getOAuthClient());
if (!is_null($oauth_access_token)) {
return $oauth_access_token->getToken();
}
// Or else, creates a new one
// Forge request to satisfy OAuth2 server
$request = new Request();
$request->query->add(['client_id' => $user->getOAuthClient()->getPublicId(), 'response_type' => OAuth2::RESPONSE_TYPE_ACCESS_TOKEN, 'redirect_uri' => $user->getOAuthClient()->getRedirectUris()[0]]);
$response = $this->oauth2->finishClientAuthorization(true, $user, $request, null);
if ($response instanceof Response) {
$location = str_replace('#', '?', $response->headers->get('location'));
$query_string = parse_url($location, PHP_URL_QUERY);
parse_str($query_string, $queries);
if (isset($queries['access_token'])) {
$access_token = $queries['access_token'];
return $access_token;
}
} else {
throw new Exception("Token creation ; unknown response type : " . get_class($response), 500);
}
}