Auth0\SDK\API\Oauth2Client::exchangeCode PHP Метод

    public function exchangeCode()
    {
        if (!isset($_REQUEST['code'])) {
            return false;
        }
        $code = $_REQUEST['code'];
        $this->debugInfo("Code: " . $code);
        // Generate the url to the API that will give us the access token and id token
        $auth_url = $this->generateUrl('token');
        // Make the call
        $response = $this->oauth_client->getAccessToken($auth_url, "authorization_code", array("code" => $code, "redirect_uri" => $this->redirect_uri), array('Auth0-Client' => ApiClient::getInfoHeadersData()->build()));
        $auth0_response = $response['result'];
        if ($response['code'] !== 200) {
            if (isset($auth0_response['error'])) {
                throw new ApiException($auth0_response['error'] . ': ' . $auth0_response['error_description']);
            } else {
                throw new ApiException($auth0_response);
            }
        }
        $this->debugInfo(json_encode($auth0_response));
        $access_token = isset($auth0_response['access_token']) ? $auth0_response['access_token'] : false;
        $refresh_token = isset($auth0_response['refresh_token']) ? $auth0_response['refresh_token'] : false;
        $id_token = isset($auth0_response['id_token']) ? $auth0_response['id_token'] : false;
        if (!$access_token) {
            throw new ApiException('Invalid access_token - Retry login.');
        }
        if (!$id_token) {
            // id_token is not mandatory anymore. There is no need to force openid connect
            $this->debugInfo('Missing id_token after code exchange. Remember to ask for openid scope.');
        }
        // Set the access token in the oauth client for future calls to the Auth0 API
        $this->oauth_client->setAccessToken($access_token);
        $this->oauth_client->setAccessTokenType(Client::ACCESS_TOKEN_BEARER);
        // Set it and persist it, if needed
        $this->setAccessToken($access_token);
        $this->setIdToken($id_token);
        $this->setRefreshToken($refresh_token);
        $userinfo_url = $this->generateUrl('user_info');
        $user = $this->oauth_client->fetch($userinfo_url);
        $this->setUser($user["result"]);
        return true;
    }