deployphp / deployer

                break;

            case Configuration::AUTH_BY_IDENTITY_FILE:

                $key = new RSA();

                $key->setPassword($serverConfig->getPassPhrase());

                $key->loadKey(file_get_contents($serverConfig->getPrivateKey()));

                $result = $this->sftp->login($serverConfig->getUser(), $key);

                break;

            case Configuration::AUTH_BY_PEM_FILE:

                break;

            case Configuration::AUTH_BY_PEM_FILE:

                $key = new RSA();

                $key->loadKey(file_get_contents($serverConfig->getPemFile()));

                $result = $this->sftp->login($serverConfig->getUser(), $key);

                break;

            case Configuration::AUTH_BY_AGENT:

                break;

            case Configuration::AUTH_BY_IDENTITY_FILE_AND_PASSWORD:

                $key = new RSA();

                $key->setPassword($serverConfig->getPassPhrase());

                $key->loadKey(file_get_contents($serverConfig->getPrivateKey()));

                $result = $this->sftp->login($serverConfig->getUser(), $key, $serverConfig->getPassword());

                break;

            default:

                throw new RuntimeException('You need to specify authentication method.');