protected override void DoRun(IShellContext context)
{
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(FtpDirectory);
//request.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
request.Method = WebRequestMethods.Ftp.ListDirectory;
string pwd = Password;
if (!String.IsNullOrEmpty(PasswordEncoded))
{
pwd = XmlTool.SafeDecodeString(PasswordEncoded);
}
//request.KeepAlive = false;
//request.UseBinary = true;
request.UsePassive = PassiveMode;
request.Credentials = new NetworkCredential(Login, pwd);
var files = new List <string>();
using (FtpWebResponse response = (FtpWebResponse)request.GetResponse())
{
var responseStream = response.GetResponseStream();
using (var reader = new StreamReader(responseStream))
{
while (!reader.EndOfStream)
{
string line = reader.ReadLine()?.Trim();
if (String.IsNullOrEmpty(line))
{
continue;
}
if (line == "." || line == "..")
{
continue;
}
files.Add(line);
}
}
}
foreach (string file in files)
{
FtpWebRequest requestLength = (FtpWebRequest)WebRequest.Create(FtpDirectory + file);
requestLength.UsePassive = PassiveMode;
requestLength.Credentials = new NetworkCredential(Login, pwd);
requestLength.Method = WebRequestMethods.Ftp.GetFileSize;
long ftpSize;
using (FtpWebResponse response = (FtpWebResponse)requestLength.GetResponse())
{
ftpSize = response.ContentLength;
response.Close();
}
long localSize = 0;
string localFile = Path.Combine(LocalDirectory, file);
if (System.IO.File.Exists(localFile))
{
localSize = new FileInfo(localFile).Length;
}
if (localSize != ftpSize)
{
context.OutputMessage($"Downloading file {file}, size={ftpSize}");
FtpWebRequest requestFile = (FtpWebRequest)WebRequest.Create(FtpDirectory + file);
requestFile.UsePassive = PassiveMode;
requestFile.Credentials = new NetworkCredential(Login, pwd);
requestFile.Method = WebRequestMethods.Ftp.DownloadFile;
using (var response = requestFile.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
using (BinaryWriter writer = new BinaryWriter(System.IO.File.Open(localFile, FileMode.Create)))
{
int bytesRead = 0;
byte[] buffer = new byte[1024];
while (true)
{
bytesRead = stream.Read(buffer, 0, buffer.Length);
if (bytesRead == 0)
{
break;
}
writer.Write(buffer, 0, bytesRead);
}
}
}
}
}
else
{
context.OutputMessage($"Skipping file {file}");
}
}
}