public bool TryConnect(ExternalServerConnection ftpConnection, out Exception occuredException)
{
try
{
var result = (FtpWebRequest)WebRequest.Create($"ftp://{ftpConnection.Host}:{ftpConnection.Port}");
result.Credentials = new NetworkCredential(ftpConnection.Username, ftpConnection.Password);
result.Method = WebRequestMethods.Ftp.ListDirectory;
using var response = (FtpWebResponse)result.GetResponse();
// Maybe response will not be disposed correctly?
if (response.StatusCode != FtpStatusCode.OpeningData &&
response.StatusCode != FtpStatusCode.DataAlreadyOpen)
{
occuredException =
new InvalidOperationException($"Unexpected StatusCode '{response.StatusCode}'");
return(false);
}
}
catch (Exception ex)
{
occuredException = ex;
return(false);
}
occuredException = null;
return(true);
}
public bool ValidateConfiguration(ExternalServerConnection ftpConnection)
{
if (string.IsNullOrEmpty(ftpConnection.Host) || string.IsNullOrEmpty(ftpConnection.Username))
{
return(false);
}
return(true);
}
public ExternalServerConnectionManager(ExternalServerConnection configuration)
{
this.configuration = configuration;
}
