/// <summary>
/// Start FTP Proxy
/// </summary>
private void StartFtpService()
{
try
{
ftpListener = new FtpListener(settings.FtpProxyPort.Value);
ftpListener.Start();
}
catch (Exception ex)
{
Log.Write(MethodBase.GetCurrentMethod(), ex);
}
}
private static void ProcessClientRequest()
{
Debug.Print("Welcome to the FTP Service.");
FtpListener.AuthenticationEvent += (object sender, UserAuthenticatorArgs e) =>
{
if (e.User == "anonymous")
{
Debug.Print("hi anonymous");
e.Result = UserAuthenticationResult.Approved;
}
};
// a custom listener will be looking after the "special" directory in the ROOT volumes only
FtpListener listener = new FtpListener();
listener.Prefixes.Add(virtualROOT + "special/");
listener.Start();
// all other directories will be handled by the standard listener, on both volumes
FtpListener listener_root = new FtpFilesystemListener(virtualROOT, @"\ROOT\");
listener_root.Start();
FtpListener listener_winfs = new FtpFilesystemListener(virtualWINFS, @"\WINFS\");
listener_winfs.Start();
for (; ;)
{
FtpListenerContext context = listener.GetContext();
Stream stream = context.Response.OutputStream;
switch (context.Request.Method)
{
case WebRequestMethodsEx.Ftp.ChangeDirectory:
string path = context.Request.QueryString.Substring(virtualROOT.Length);
int markerIdx = path.IndexOf('/');
if (markerIdx != -1)
{
path = path.Substring(0, markerIdx);
string dir = @"\ROOT\" + path;
if (Directory.Exists(dir) && monitoredDirectory == dir)
{
Debug.Print("Changed to the monitored directory");
context.Response.StatusCode = FtpStatusCode.FileActionOK;
}
else
{
context.Response.StatusCode = FtpStatusCode.ActionNotTakenFileUnavailable;
}
}
else
{
Directory.SetCurrentDirectory(@"\ROOT");
context.Response.StatusCode = FtpStatusCode.FileActionOK;
}
stream.Close();
break;
case WebRequestMethods.Ftp.ListDirectory:
case WebRequestMethods.Ftp.ListDirectoryDetails:
{
DirectoryInfo cd = new DirectoryInfo(monitoredDirectory);
foreach (FileInfo fi in cd.GetFiles())
{
(stream as FtpResponseStream).Write(fi);
}
foreach (DirectoryInfo di in cd.GetDirectories())
{
(stream as FtpResponseStream).Write(di);
}
context.Response.StatusCode = FtpStatusCode.ClosingData;
stream.Close();
}
break;
case WebRequestMethods.Ftp.DownloadFile:
DirectoryInfo info = new DirectoryInfo(monitoredDirectory);
string prefix = virtualROOT + info.Name + "/";
string download = context.Request.QueryString.Substring(prefix.Length);
string file = monitoredDirectory + @"\" + download;
if (!File.Exists(file))
{
throw new Exception("File does not exists!");
}
using (FileStream fs = new FileStream(file, FileMode.Open))
{
(stream as FtpResponseStream).Write(fs);
context.Response.StatusCode = FtpStatusCode.ClosingData;
stream.Close();
}
break;
default:
context.Response.StatusCode = FtpStatusCode.CommandNotImplemented;
stream.Close();
break;
}
}
}