deployphp / deployer

                $authParams = [$serverConfig->getUser(), $serverConfig->getPassword()];

                break;

            case Configuration::AUTH_BY_IDENTITY_FILE:

                $key = new RSA();

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

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

                $authParams = [$serverConfig->getUser(), $key];

                break;

            case Configuration::AUTH_BY_PEM_FILE:

                $key = new RSA();

                $authParams = [$serverConfig->getUser(), $key];

                break;

            case Configuration::AUTH_BY_PEM_FILE:

                $key = new RSA();

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

                $authParams = [$serverConfig->getUser(), $key];

                break;

            case Configuration::AUTH_BY_AGENT:

                $key = new Agent();

                $authParams = [$serverConfig->getUser(), $key];

                break;

            case Configuration::AUTH_BY_IDENTITY_FILE_AND_PASSWORD:

                $key = new RSA();

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

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

                $authParams = [$serverConfig->getUser(), $key, $serverConfig->getPassword()];

                break;

            default:

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