/**
* Validate the SFTP configurations and set the response body to a JSON
* response including the success of the test connection and any messages to
* be displayed to the user.
* @return self
*/
public function validatesftpAction()
{
$request = $this->getRequest();
$configMap = Mage::getModel('eb2ccore/config');
$host = $this->_validatorHelper->getParamOrFallbackValue($request, self::SFTP_HOSTNAME_PARAM, self::SFTP_HOSTNAME_USE_DEFAULT_PARAM, $configMap->getPathForKey('sftp_location'));
$username = $this->_validatorHelper->getParamOrFallbackValue($request, self::SFTP_USERNAME_PARAM, self::SFTP_USERNAME_USE_DEFAULT_PARAM, $configMap->getPathForKey('sftp_username'));
$port = $this->_validatorHelper->getParamOrFallbackValue($request, self::SFTP_PORT_PARAM, self::SFTP_PORT_USE_DEFAULT_PARAM, $configMap->getPathForKey('sftp_port'));
$key = $this->_validatorHelper->getSftpPrivateKey($request, self::SFTP_PRIV_KEY_PARAM, self::SFTP_PRIV_KEY_USE_DEFAULT_PARAM, Mage::getSingleton('eb2ccore/config')->getPathForKey('sftp_private_key'));
$this->getResponse()->setHeader('Content-Type', 'text/json')->setBody(json_encode(Mage::helper('eb2ccore/validator')->testSftpConnection($host, $username, $key, $port)));
return $this;
}
