// Command line arguments are two strings:
// 1. The url that is the name of the file being uploaded to the server.
// 2. The name of the file on the local machine.
//
public FtpState Upload(string _file, string _uri, string _account, string _pass, UploadStepDelegate _stepDelegate)
{
state = new FtpState();
request = (FtpWebRequest)WebRequest.Create(new Uri(_uri + "/" + Path.GetFileName(_file)));
request.Method = WebRequestMethods.Ftp.UploadFile;
// This example uses anonymous logon.
// The request is anonymous by default; the credential does not have to be specified.
// The example specifies the credential only to
// control how actions are logged on the server.
request.Credentials = new NetworkCredential(_account, _pass);
// Store the request in the object that we pass into the
// asynchronous operations.
state.Request = request;
state.FileName = _file;
state.StepProgressDelegate = _stepDelegate;
// Asynchronously get the stream for the file contents.
request.BeginGetRequestStream(
new AsyncCallback(EndGetStreamCallback),
state
);
return(state);
}
//----------------------------------------------------------------------------------------------
/// <summary>
/// Make a FTP request to get a file from the server.
/// It will raise an event on the BaseHandler, when done
/// </summary>
/// <param name="target"> url that is the name of the file being uploaded to the server</param>
/// <param name="state">holds all the required data as supplied by the caller</param>
/// <param name="user">username used to connect to the server</param>
/// <param name="passwrd">username used to connect to the server</param>
public static void DownloadRequest(Uri target, FtpState state, string user, string passwrd)
{
try
{
SetupRequest(target, state, state.FileName.Name, user, passwrd);
state.mRequest.Method = WebRequestMethods.Ftp.DownloadFile;
//
// Store the request in the object that we pass into the
// asynchronous operations.
// Asynchronously get the stream for the file contents.
//
state.mRequest.BeginGetResponse(
new AsyncCallback(EndDownloadResponseCallback),
state);
//.BeginGetRequestStream(
// new AsyncCallback(EndDownloadGetStreamCallback),
// state
//);
}
catch (Exception e)
{
state.RaiseException(e);
}
}
/// <summary>
/// Upload a MemoryStream object to the given FTP server.
/// </summary>
/// <param name="stream"></param>
/// <param name="target"></param>
/// <param name="username"></param>
/// <param name="password"></param>
public static void Upload(MemoryStream stream, Uri target, string username, string password)
{
var state = new FtpState();
var request = (FtpWebRequest)WebRequest.Create(target);
request.Method = WebRequestMethods.Ftp.UploadFile;
request.Credentials = new NetworkCredential(username, password);
// Store the request in the object that we pass into the asynchronous operations.
state.Request = request;
state.Stream = stream;
// Get the event to wait on.
var waitObject = state.OperationComplete;
// Asynchronously get the stream for the file contents.
request.BeginGetRequestStream(EndGetStreamCallback, state);
// Block the current thread until all operations are complete.
waitObject.WaitOne();
// The operations either completed or threw an exception.
if (state.OperationException != null)
{
throw state.OperationException;
}
}
//----------------------------------------------------------------------------------------------
/// <summary>
/// Make a FTP request to put a file onto the server.
/// It will raise an event on the BaseHandler, when done
/// </summary>
/// <param name="target"> url that is the name of the file being uploaded to the server</param>
/// <param name="state">holds all the required data as supplied by the caller</param>
/// <param name="user">username used to connect to the server</param>
/// <param name="passwrd">username used to connect to the server</param>
public static void UploadRequest(Uri target, FtpState state, string user, string passwrd)
{
try
{
if (!state.FileName.Exists)
{
throw new Exception("FTP_Handler::UploadRequest file: " + state.FileName.FullName
+ " does not exist");
}
SetupRequest(target, state, state.FileName.Name, user, passwrd);
state.mRequest.Method = WebRequestMethods.Ftp.UploadFile;
//
// Store the request in the object that we pass into the
// asynchronous operations.
// Asynchronously get the stream for the file contents.
//
state.mRequest.BeginGetRequestStream(
new AsyncCallback(EndUploadGetStreamCallback),
state
);
}
catch (Exception e)
{
state.RaiseException(e);
}
}
public static string FtpFileUpload(string ftpUri, string ftpUsername, string ftpPassword, string fileFullPath, string fileName)
{
ManualResetEvent waitObject;
FtpState state = new FtpState();
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftpUri + fileName);
request.Method = WebRequestMethods.Ftp.UploadFile;
request.Credentials = new NetworkCredential(ftpUsername, ftpPassword);
state.Request = request;
state.FileName = fileFullPath;
waitObject = state.OperationComplete;
request.BeginGetRequestStream(
new AsyncCallback(EndGetStreamCallback),
state
);
waitObject.WaitOne();
// The operations either completed or threw an exception.
if (state.OperationException != null)
{
return(state.OperationException.Message);
}
else
{
return(string.Empty);
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
//get_stream
/////////////////////////////////////////////////////////////////////////////////////////////////////
private void get_stream(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
try
{
Stream request_stream = state.request.EndGetRequestStream(ar);
const int len = 2048;
byte[] buf = new byte[len];
int count = 0;
int read = 0;
FileStream file_stream = File.OpenRead(state.full_filename);
do
{
read = file_stream.Read(buf, 0, len);
request_stream.Write(buf, 0, read);
count += read;
}while (read != 0);
request_stream.Close();
state.request.BeginGetResponse(new AsyncCallback(end_response), state);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return;
}
}
private static void EndGetStreamCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
FileStream stream = null;
Stream requestStream = null;
// End the asynchronous call to get the request stream.
try
{
requestStream = state.Request.EndGetRequestStream(ar);
// Copy the file contents to the request stream.
const int bufferLength = 2048;
byte[] buffer = new byte[bufferLength];
int count = 0;
int readBytes = 0;
stream = File.OpenRead(state.Argument);
do
{
readBytes = stream.Read(buffer, 0, bufferLength);
requestStream.Write(buffer, 0, readBytes);
count += readBytes;
}while (readBytes != 0);
Utils.configLog("I", String.Format("Writing {0} bytes to the stream.", count));
// IMPORTANT: Close the request stream before sending the request.
requestStream.Close();
requestStream = null;
// Asynchronously get the response to the upload request.
state.Request.BeginGetResponse(
new AsyncCallback(EndGetResponseCallback),
state
);
}
// Return exceptions to the main application thread.
catch (Exception e)
{
Utils.configLog("E", String.Format("Could not get the request stream"));
state.OperationException = e;
state.OperationComplete.Set();
return;
}
finally
{
if (null != requestStream)
{
requestStream.Close();
}
if (null != stream)
{
stream.Close();
}
}
}
public static void SendFile(string FTPSite, string fileName, string user, string pass, string fullPath)
{
// Create a Uri instance with the specified URI string.
// If the URI is not correctly formed, the Uri constructor
// will throw an exception.
ManualResetEvent waitObject;
Uri target = new Uri(FTPSite);
FtpState state = new FtpState();
//FtpWebRequest request = (FtpWebRequest)WebRequest.Create(target);
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(target + @"/" + fileName);
//FtpWebRequest request = (FtpWebRequest)WebRequest.Create(@"ftp://10.1.36.34/");
request.Method = WebRequestMethods.Ftp.UploadFile;
// This example uses anonymous logon.
// The request is anonymous by default; the credential does not have to be specified.
// The example specifies the credential only to
// control how actions are logged on the server.
request.Proxy = null;
request.Credentials = new NetworkCredential(user, pass);
// Store the request in the object that we pass into the
// asynchronous operations.
state.Request = request;
// Set a time limit for the operation to complete.
request.Timeout = 600000;
//state.FileName = @"C:\Software\PFCApps\IntranetSite\PurchaseImport\XML\PFC_Order_11050303_toms.xml"; ;
state.FileName = fullPath;
// Get the event to wait on.
waitObject = state.OperationComplete;
// Asynchronously get the stream for the file contents.
request.BeginGetRequestStream(
new AsyncCallback(EndGetStreamCallback),
state
);
// Block the current thread until all operations are complete.
waitObject.WaitOne();
// The operations either completed or threw an exception.
if (state.OperationException != null)
{
throw state.OperationException;
}
else
{
//lblSuccessMessage.Text = "XML sent to " + FTPSite;
//MessageUpdatePanel.Update();
}
}
// The EndGetResponseCallback method
// completes a call to BeginGetResponse.
private static void EndGetResponseCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
FtpWebResponse response = null;
FileStream stream = null;
try
{
response = (FtpWebResponse)state.Request.EndGetResponse(ar);
state.StatusDescription = response.StatusDescription;
state.ResponseStream = response.GetResponseStream();
if (state.Request.Method == WebRequestMethods.Ftp.DownloadFile)
{
const int bufferLength = 2048;
byte[] buffer = new byte[bufferLength];
int count = 0;
int writeBytes = 0;
stream = File.OpenWrite(state.Argument);
do
{
writeBytes = state.ResponseStream.Read(buffer, 0, bufferLength);
stream.Write(buffer, 0, writeBytes);
count += writeBytes;
}while (writeBytes != 0);
Utils.configLog("I", String.Format("Writing {0} bytes to the file.", count));
}
// Signal the main application thread that
// the operation is complete.
state.OperationComplete.Set();
}
// Return exceptions to the main application thread.
catch (Exception e)
{
Utils.configLog("E", String.Format("Error getting response."));
state.OperationException = e;
state.OperationComplete.Set();
}
finally
{
if (null != response)
{
response.Close();
}
if (null != stream)
{
stream.Close();
}
}
}
// Command line arguments are two strings:
// 1. The url that is the name of the file being uploaded to the server.
// 2. The name of the file on the local machine.
//
public static void Main(string[] args)
{
// Create a Uri instance with the specified URI string.
// If the URI is not correctly formed, the Uri constructor
// will throw an exception.
ManualResetEvent waitObject;
Uri target = new Uri(args[0]);
string fileName = args[1];
FtpState state = new FtpState();
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(target);
request.Method = WebRequestMethods.Ftp.UploadFile;
// This example uses anonymous logon.
// The request is anonymous by default; the credential does not have to be specified.
// The example specifies the credential only to
// control how actions are logged on the server.
request.Credentials = new NetworkCredential("anonymous", "*****@*****.**");
// Store the request in the object that we pass into the
// asynchronous operations.
state.Request = request;
state.FileName = fileName;
// Get the event to wait on.
waitObject = state.OperationComplete;
// Asynchronously get the stream for the file contents.
request.BeginGetRequestStream(
new AsyncCallback(EndGetStreamCallback),
state
);
// Block the current thread until all operations are complete.
waitObject.WaitOne();
// The operations either completed or threw an exception.
if (state.OperationException != null)
{
throw state.OperationException;
}
else
{
Console.WriteLine("The operation completed - {0}", state.StatusDescription);
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
//end_response
/////////////////////////////////////////////////////////////////////////////////////////////////////
private void end_response(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
try
{
FtpWebResponse response = (FtpWebResponse)state.request.EndGetResponse(ar);
response.Close();
state.wait.Set();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
state.wait.Set();
}
}
private void EndGetStreamCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
Stream requestStream = null;
// End the asynchronous call to get the request stream.
try
{
requestStream = state.Request.EndGetRequestStream(ar);
// Copy the file contents to the request stream.
const int bufferLength = 2048;
byte[] buffer = new byte[bufferLength];
int count = 0;
int readBytes = 0;
FileStream stream = File.OpenRead(state.FileName);
do
{
readBytes = stream.Read(buffer, 0, bufferLength);
requestStream.Write(buffer, 0, readBytes);
count += readBytes;
if (state.StepProgressDelegate != null)
{
state.StepProgressDelegate(count);
}
}while (readBytes != 0);
Debug.Log("Writing {0} bytes to the stream.", count);
// IMPORTANT: Close the request stream before sending the request.
requestStream.Close();
// Asynchronously get the response to the upload request.
state.Request.BeginGetResponse(
new AsyncCallback(EndGetResponseCallback),
state
);
}
// Return exceptions to the main application thread.
catch (Exception e)
{
Debug.LogError("AsynchronousFtpUpLoader Could not get the request stream. " + e.Message);
state.OperationException = e;
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
//get_stream_buf
//gets buffer from FtpState
/////////////////////////////////////////////////////////////////////////////////////////////////////
private void get_stream_buf(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
try
{
Stream stream = state.request.EndGetRequestStream(ar);
byte[] buf = Encoding.ASCII.GetBytes(state.buf);
stream.Write(buf, 0, state.buf.Length);
stream.Close();
state.request.BeginGetResponse(new AsyncCallback(end_response), state);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return;
}
}
/////////////////////////////////////////////////////////////////////////////////////////////////////
//upload_async_read
/////////////////////////////////////////////////////////////////////////////////////////////////////
private bool upload_async_read(string full_filename, string filename, bool alive, string connection_name, int connection_limit)
{
FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://" + address + "/" + directory + "/" + filename);
request.Method = WebRequestMethods.Ftp.UploadFile;
request.Credentials = new NetworkCredential(username, password);
request.KeepAlive = alive;
if (!String.IsNullOrEmpty(connection_name))
{
request.ConnectionGroupName = connection_name;
}
request.ServicePoint.ConnectionLimit = connection_limit;
FtpState state = new FtpState(request, full_filename);
ManualResetEvent wait = state.wait;
request.BeginGetRequestStream(new AsyncCallback(get_stream), state);
wait.WaitOne();
return(true);
}
// The EndGetResponseCallback method
// completes a call to BeginGetResponse.
private void EndGetResponseCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
FtpWebResponse response = null;
try
{
response = (FtpWebResponse)state.Request.EndGetResponse(ar);
response.Close();
state.StatusDescription = response.StatusDescription;
}
// Return exceptions to the main application thread.
catch (Exception e)
{
Debug.LogError("AsynchronousFtpUpLoader Error getting response." + e.Message);
state.OperationException = e;
}
}
private static void EndGetStreamCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
Stream requestStream = null;
// End the asynchronous call to get the request stream.
try
{
requestStream = state.Request.EndGetRequestStream(ar);
// Copy the file contents to the request stream.
const int bufferLength = 2048;
byte[] buffer = new byte[bufferLength];
int count = 0;
int readBytes = 0;
FileStream stream = File.OpenRead(state.FileName);
do
{
readBytes = stream.Read(buffer, 0, bufferLength);
requestStream.Write(buffer, 0, readBytes);
count += readBytes;
}while (readBytes != 0);
// IMPORTANT: Close the request stream before sending the request.
requestStream.Close();
// Asynchronously get the response to the upload request.
state.Request.BeginGetResponse(
new AsyncCallback(EndGetResponseCallback),
state
);
if (stream != null)
{
stream.Close();
}
}
// Return exceptions to the main application thread.
catch (Exception e)
{
state.OperationException = e;
state.OperationComplete.Set();
return;
}
}
// The EndGetResponseCallback method
// completes a call to BeginGetResponse.
private static void EndGetResponseCallback(IAsyncResult ar)
{
FtpState state = (FtpState)ar.AsyncState;
FtpWebResponse response = null;
try
{
response = (FtpWebResponse)state.Request.EndGetResponse(ar);
response.Close();
state.StatusDescription = response.StatusDescription;
// Signal the main application thread that
// the operation is complete.
state.OperationComplete.Set();
}
// Return exceptions to the main application thread.
catch (Exception e)
{
state.OperationException = e;
state.OperationComplete.Set();
}
}
private async Task PerformUpload(string lServerPath, string tempPath)
{
var fileName = Path.GetFileName(lServerPath);
var state = new FtpState();
var request = (FtpWebRequest)(WebRequest.Create(FTPServerAddress + lServerPath));
request.Credentials = new NetworkCredential(Username, Password);
request.Method = WebRequestMethods.Ftp.UploadFile;
state.Request = request;
state.FileName = tempPath;
using (var requestStream = await state.Request.GetRequestStreamAsync())
{
const int bufferLength = 10000;
byte[] buffer = new byte[bufferLength];
int count = 0;
int readBytes;
using (FileStream stream = File.OpenRead(state.FileName))
{
do
{
readBytes = await stream.ReadAsync(buffer, 0, bufferLength);
await requestStream.WriteAsync(buffer, 0, readBytes);
count += readBytes;
var percentageComplete = (int)(((double)count / stream.Length) * 100);
UpdateStatusMessage($"Uploading {fileName}: ({percentageComplete}% complete)");
} while (readBytes != 0);
}
}
using (FtpWebResponse response = (FtpWebResponse)await state.Request.GetResponseAsync())
{
state.StatusDescription = response.StatusDescription;
}
}
private static void HandleFileTransfer(Uri serverUri, string filepath, bool up, string userName, string password, bool enableSSL)
{
if (serverUri.Scheme != Uri.UriSchemeFtp)
{
throw new ArgumentException(String.Format("{0} scheme is not ftp", serverUri.AbsoluteUri));
}
ManualResetEvent waitObject;
FtpState state = new FtpState();
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(serverUri);
request.EnableSsl = enableSSL;
if (up)
{
request.Method = WebRequestMethods.Ftp.UploadFile;
}
else
{
request.Method = WebRequestMethods.Ftp.DownloadFile;
}
request.Credentials = new NetworkCredential(userName, password);
// Store the request in the object that we pass into the
// asynchronous operations.
state.Request = request;
state.Argument = filepath;
// Get the event to wait on.
waitObject = state.OperationComplete;
if (up)
{
// Asynchronously get the stream for the file contents.
request.BeginGetRequestStream(
new AsyncCallback(EndGetStreamCallback),
state
);
}
else
{
request.BeginGetResponse(
new AsyncCallback(EndGetResponseCallback),
state
);
}
// Block the current thread until all operations are complete.
waitObject.WaitOne();
// The operations either completed or threw an exception.
if (state.OperationException != null)
{
throw state.OperationException;
}
else
{
Utils.configLog("I", String.Format("The operation completed - {0}", state.StatusDescription));
}
}
/// <summary>Upload the File to Ftp.</summary>
/// <param name="objUploadFileDistributionRequest">Input File distribution request.</param>
/// <returns>error if any.</returns>
internal static string Upload(ref UploadFileDistributionRequest objUploadFileDistributionRequest)
{
string error = string.Empty;
if (objUploadFileDistributionRequest != null && !string.IsNullOrEmpty(objUploadFileDistributionRequest.FtpServerIP) && !string.IsNullOrEmpty(objUploadFileDistributionRequest.FtpUserName) && !string.IsNullOrEmpty(objUploadFileDistributionRequest.FtpPassword) && objUploadFileDistributionRequest.Folder.NbFiles > 0)
{
foreach (IRemoteFileClass lRemoteFile in objUploadFileDistributionRequest.Folder.FolderFilesList)
{
if (lRemoteFile.Exists)
{
/* Testing mode is enable. So, simulate that file was uploaded properly.
*
* In the future, a better approach might be found.
*/
if (lRemoteFile.FileType == FileTypeEnum.Undefined && RemoteFileClass.TestingModeEnabled)
{
FtpStatus ftpStatus = new FtpStatus();
ftpStatus.FileName = lRemoteFile.FilePath;
ftpStatus.FtpStatusCode = FtpStatusCode.FileActionOK;;
ftpStatus.OperationException = null;
ftpStatus.StatusDescription = "OK";
lRemoteFile.FtpStatus = ftpStatus;
continue;
}
DateTime dtTime = DateTime.Now;
FtpWebRequest reqFTP = null;
try
{
InitializeFtpRequest(lRemoteFile, objUploadFileDistributionRequest.FtpServerIP, objUploadFileDistributionRequest.FtpDirectory, objUploadFileDistributionRequest.FtpUserName, objUploadFileDistributionRequest.FtpPassword, out reqFTP);
}
catch (Exception ex)
{
return(ex.Message);
}
if (reqFTP != null)
{
FtpWebResponse response = null;
try
{
using (ManualResetEvent timerEvent = new ManualResetEvent(false))
using (FtpState ftpState = new FtpState())
{
ftpState.RemoteFile = lRemoteFile;
ftpState.Request = reqFTP;
ftpState.Request.Timeout = Timeout.Infinite;
UploadFile(ftpState);
if (ftpState.Response != null)
{
response = ftpState.Response;
if (response.StatusCode == FtpStatusCode.ServiceNotAvailable || response.StatusCode == FtpStatusCode.ServiceTemporarilyNotAvailable)
{
if (DateTime.Now.Subtract(dtTime).TotalMinutes > TimeOut)
{
error = "T2G Ground Server not responding for " + TimeOut + " period uploading terminated";
objUploadFileDistributionRequest.Folder.UploadingState = UploadingStateEnum.Failed;
return(error);
}
}
if (response.StatusCode != FtpStatusCode.FileActionOK && response.StatusCode != FtpStatusCode.ClosingData && response.StatusCode != FtpStatusCode.DirectoryStatus && response.StatusCode != FtpStatusCode.FileStatus && response.StatusCode != FtpStatusCode.SystemType && response.StatusCode != FtpStatusCode.SendUserCommand && response.StatusCode != FtpStatusCode.ClosingControl && response.StatusCode != FtpStatusCode.ClosingData && response.StatusCode != FtpStatusCode.PathnameCreated)
{
lRemoteFile.HasError = true;
LogManager.WriteLog(TraceType.INFO, "File upload error, create transfer task. RequestID = " + objUploadFileDistributionRequest.RequestId.ToString() + ", CRCGuid = " + objUploadFileDistributionRequest.Folder.CRCGuid + ", Folder ID = " + objUploadFileDistributionRequest.Folder.FolderId.ToString() + ", FTP error = " + response.StatusCode.ToString(), "Ground.Core.T2G.T2GClient.StartTransferTask", null, EventIdEnum.GroundCore);
objUploadFileDistributionRequest.Folder.UploadingState = UploadingStateEnum.Failed;
}
FtpStatus ftpStatus = new FtpStatus();
ftpStatus.FileName = lRemoteFile.FilePath;
ftpStatus.FtpStatusCode = response.StatusCode;
ftpStatus.OperationException = null;
ftpStatus.StatusDescription = response.StatusDescription;
lRemoteFile.FtpStatus = ftpStatus;
}
else
{
error = "Can't upload file on T2G Ftp Server. Server is not responding or input file is invalid, check error log.";
objUploadFileDistributionRequest.Folder.UploadingState = UploadingStateEnum.Failed;
return(error);
}
}
}
catch (Exception ex)
{
response = (FtpWebResponse)reqFTP.GetResponse();
if (response != null)
{
FtpStatus ftpStatus = new FtpStatus();
ftpStatus.FileName = lRemoteFile.FilePath;
ftpStatus.FtpStatusCode = response.StatusCode;
ftpStatus.OperationException = ex;
ftpStatus.StatusDescription = response.StatusDescription;
lRemoteFile.FtpStatus = ftpStatus;
LogManager.WriteLog(TraceType.ERROR, PIS.Ground.Core.Properties.Resources.ExFtpError, "PIS.Ground.Core.Utility.Upload", ex, EventIdEnum.GroundCore);
}
}
finally
{
if (response != null)
{
response.Close();
}
}
}
}
else
{
error = "File " + lRemoteFile.FilePath + " does not exist.";
return(error);
}
}
}
else
{
error = "Invalid Input parameter";
}
return(error);
}
/// <summary>Uploads a file.</summary>
/// <exception cref="FileNotFoundException">Thrown when the requested file is not present.</exception>
/// <param name="state">The state.</param>
private static void UploadFile(object state)
{
if (state is FtpState)
{
FtpState ftpState = state as FtpState;
ftpState.Response = null;
if (!string.IsNullOrEmpty(ftpState.RemoteFile.FileName) && ftpState.RemoteFile.Exists)
{
//// Notify the server about the size of the uploaded file
ftpState.Request.ContentLength = ftpState.RemoteFile.Size;
//// The buffer size is set to 2kb
const int buffLength = 2048;
byte[] buff = new byte[buffLength];
int contentLen;
try
{
//// Opens a file stream to read the file to be uploaded
Stream fs;
ftpState.RemoteFile.OpenStream(out fs);
if (fs != null)
{
using (fs)
{
fs.Seek(0, SeekOrigin.Begin);
//// Stream to which the file to be upload is written
using (Stream strm = ftpState.Request.GetRequestStream())
{
//// Read from the file stream 2kb at a time
contentLen = fs.Read(buff, 0, buffLength);
//// Till Stream content ends
while (contentLen != 0)
{
//// Write Content from the file stream to the FTP Upload Stream
strm.Write(buff, 0, contentLen);
contentLen = fs.Read(buff, 0, buffLength);
}
}
}
}
else
{
string lErrorMessage = "Can't read file ";
lErrorMessage += ftpState.RemoteFile.FilePath;
FileNotFoundException lFNFEx = new FileNotFoundException(lErrorMessage, ftpState.RemoteFile.FilePath);
LogManager.WriteLog(TraceType.ERROR, lFNFEx.Message, "PIS.Ground.Core.Utility.FtpUtility.UploadFile", lFNFEx, EventIdEnum.GroundCore);
throw lFNFEx;
}
if (ftpState.Request != null)
{
ftpState.Response = (FtpWebResponse)ftpState.Request.GetResponse();
if (ftpState.Response.StatusCode != FtpStatusCode.ServiceNotAvailable && ftpState.Response.StatusCode != FtpStatusCode.ServiceTemporarilyNotAvailable)
{
ftpState.OperationComplete.Set();
}
}
}
catch (Exception ex)
{
ftpState.FtpStatus.OperationException = ex;
ftpState.OperationComplete.Set();
// Avoid logging error for ThreadAbortException
if (!(ex is ThreadAbortException))
{
LogManager.WriteLog(TraceType.ERROR, ex.Message, "PIS.Ground.Core.Utility.FtpUtility.UploadFile", ex, EventIdEnum.GroundCore);
}
else
{
LogManager.WriteLog(TraceType.DEBUG, ex.Message, "PIS.Ground.Core.Utility.FtpUtility.UploadFile", ex, EventIdEnum.GroundCore);
}
}
}
}
}
//----------------------------------------------------------------------------------------------
private static void SetupRequest(Uri target, FtpState state, string fileName, string user, string passwrd)
{
if (target.Scheme != Uri.UriSchemeFtp)
{
throw new Exception("UploadRequest: Target uri was not ftp");
}
state.mRequest = (FtpWebRequest)WebRequest.Create(target + @"/" + fileName);
state.mRequest.Proxy = null;
//
// This example uses anonymous logon.
// The request is anonymous by default; the credential does not have to be specified.
// The example specifies the credential only to
// control how actions are logged on the server.
//
if (user != null && user.Length != 0)
{
state.mRequest.Credentials = new NetworkCredential(user, passwrd); //"anonymous", "*****@*****.**");
}
}
private static void HandleFileTransfer(Uri serverUri, string filepath, bool up, string userName, string password, bool enableSSL)
{
if (serverUri.Scheme != Uri.UriSchemeFtp)
{
throw new ArgumentException(String.Format("{0} scheme is not ftp", serverUri.AbsoluteUri));
}
ManualResetEvent waitObject;
FtpState state = new FtpState();
FtpWebRequest request = (FtpWebRequest)WebRequest.Create(serverUri);
request.EnableSsl = enableSSL;
if (up)
{
request.Method = WebRequestMethods.Ftp.UploadFile;
}
else
{
request.Method = WebRequestMethods.Ftp.DownloadFile;
}
request.Credentials = new NetworkCredential(userName, password);
// Store the request in the object that we pass into the
// asynchronous operations.
state.Request = request;
state.Argument = filepath;
// Get the event to wait on.
waitObject = state.OperationComplete;
if (up)
{
// Asynchronously get the stream for the file contents.
request.BeginGetRequestStream(
new AsyncCallback(EndGetStreamCallback),
state
);
}
else
{
request.BeginGetResponse(
new AsyncCallback(EndGetResponseCallback),
state
);
}
// Block the current thread until all operations are complete.
waitObject.WaitOne();
// The operations either completed or threw an exception.
if (state.OperationException != null)
{
throw state.OperationException;
}
else
{
Utils.configLog("I", String.Format("The operation completed - {0}", state.StatusDescription));
}
}
/// <summary>
/// Control thread
/// TODO: separate the functionalities into functions to reduce maintenance cost
/// </summary>
private void WorkerThread()
{
FtpCommand command;
FtpState state = FtpState.WaitUser;
string tempName = null; // store old name for "rename from" command
string response;
int timeout = 0;
try
{
while (m_IsAlive)
{
if (m_IsDisposed)
{
break;
}
else if (!m_Welcomed)
{
response = "220 MyFTP " + System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString() +
" Server [" + m_HostIp.ToString() + "] \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
m_Welcomed = true;
}
else if (m_CommandSocket == null)
{
Logging.Print("Session socket has been closed.");
break;
}
else if (m_CommandSocket.Poll(1000, SelectMode.SelectRead))
{
if (m_CommandSocket.Available == 0)
{
Logging.Print("REMOTE DISCONNECT " + m_CommandSocket.RemoteEndPoint.ToString());
m_IsAlive = false;
break;
}
// read until find the end of a line
command = FtpCommandCreator.Create(ReadCommand());
if (command == null)
{
break;
}
else
{
switch (command.Type)
{
case FtpCommandType.User:
response = "331 " + command.Content + " login ok \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
state = FtpState.WaitPwd;
tempName = command.Content;
break;
case FtpCommandType.Pass:
if (state != FtpState.WaitPwd)
{
response = "332 Need Account for Login.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else
{
UserAuthenticatorArgs args = new UserAuthenticatorArgs(tempName, command.Content);
FtpListener.RaiseEvent(this, args);
if (args.Result == UserAuthenticationResult.Approved)
{
User.UserName = tempName;
User.PassWord = command.Content;
response = "230 access granted for " + User.UserName + ", restrictions apply. \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
state = FtpState.WaitCommand;
break;
}
else
{
response = "530 Login incorrect. \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
state = FtpState.WaitCommand;
break;
}
}
case FtpCommandType.Cwd:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitUser)
{
response = "332 Need Account for Login.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
if (command.Content == null)
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else
{
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethodsEx.Ftp.ChangeDirectory, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Quit:
m_IsAlive = false;
CloseDataChannel();
response = "221 Goodbye.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
m_CommandSocket.Close();
m_CommandSocket = null;
break;
case FtpCommandType.Pasv:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
CloseDataChannel();
m_DataThread = new Thread(PassiveThread);
m_DataThread.Start();
m_DataReadyEvent.WaitOne(); // wait until port has been successfully assigned
byte[] addrs = m_HostIp.GetAddressBytes();
int upper = m_HostPort / 256;
int lower = m_HostPort % 256;
if (addrs.Length == 4) //IPv4
{
response = "227 Entering Passive Mode (";
foreach (int i in addrs)
{
response += i.ToString() + ",";
}
response += upper.ToString() + "," + lower.ToString() + ")\r\n";
}
else // currently do not support IPv6
{
throw new NotImplementedException("currently does not support IPv6");
}
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Type:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
response = "200 Command OK.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.List:
if (!m_DataModeON)
{
response = "425 Use PORT or PASV first.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
response = "150 Opening UTF8 mode data connection for *** \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethods.Ftp.ListDirectoryDetails, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.NList:
if (!m_DataModeON)
{
response = "425 Use PORT or PASV first.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
response = "150 Opening UTF8 mode data connection for *** \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethods.Ftp.ListDirectory, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Port:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand && command.Content != null)
{
CloseDataChannel();
string[] epad = command.Content.Split(new char[] { ',' });
if (epad.Length != 6)
{
response = "500 Invalid PORT command.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
}
else
{
try
{
m_ClientIp = IPAddress.Parse(epad[0] + "." + epad[1] + "." + epad[2] + "." + epad[3]);
m_ClientPort = Int32.Parse(epad[4]) * 256 + Int32.Parse(epad[5]);
if (m_ClientPort <= 0 || m_ClientPort > 65535)
{
response = "500 Invalid PORT command.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
}
else
{
m_ActThreadW = true;
m_DataThread = new Thread(ActiveThread);
m_DataThread.Start();
response = "200 PORT command successful.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
}
}
catch (Exception)
{
response = "500 Invalid PORT command.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
}
}
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Sys:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
response = "215 System Type: EMIC\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Feature:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
response = "211-Features:\r\n SIZE\r\n211 End\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Pwd:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
response = "257 \"" + m_CurrentDirectory.GetNetPath() + "\" is the current directory. \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Retr:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
if (!m_DataModeON)
{
response = "425 Use PORT or PASV first.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
response = "150 Opening BINARY mode data connection for " + command.Content + ". \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethods.Ftp.DownloadFile, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Opts:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
if (command.Content == "utf8")
{
response = "213 Always in utf8 mode \r\n";
}
else
{
response = "550 Requested action not taken. Mode not support. \r\n";
}
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Size:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethods.Ftp.GetFileSize, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Store:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
if (!m_DataModeON)
{
response = "425 Use PORT or PASV first.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
response = "150 Opening BINARY mode data connection for " + command.Content + ". \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethods.Ftp.UploadFile, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Noop:
response = "200 NOOP command successful. \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
case FtpCommandType.Delete:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethods.Ftp.DeleteFile, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.MkDir:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethods.Ftp.MakeDirectory, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Rmd:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethods.Ftp.RemoveDirectory, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Rnfr:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethodsEx.Ftp.RenameFrom, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
case FtpCommandType.Rnto:
if (state == FtpState.WaitPwd)
{
response = "331 Need Password.\r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
else if (state == FtpState.WaitCommand)
{
FtpListenerRequest request = new FtpListenerRequest(WebRequestMethodsEx.Ftp.RenameTo, m_CurrentDirectory.Combine(command.Content).GetNetPath(), this);
FtpListenerContext context = new FtpListenerContext(this, request);
m_SendContext.AddContext(context);
break;
}
else
{
response = m_BadSequence;
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
default:
response = "502 Command not implemented. \r\n";
if (state == FtpState.WaitPwd)
{
state = FtpState.WaitUser;
}
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
break;
}
}
// reset time out
timeout = 0;
}
else if (m_CommandSocket.Poll(1000, SelectMode.SelectError))
{
Logging.Print("Disconnected unproperly.");
break;
}
else
{
if (!m_Welcomed)
{
response = "220 MyFTP " + typeof(FtpListenerSession).Assembly.GetName().Version.ToString() +
" Server [" + m_HostIp.ToString() + "] \r\n";
m_CommandSocket.Send(Encoding.UTF8.GetBytes(response));
m_Welcomed = true;
}
else
{
if (SessionTimeOut != -1)
{
if (timeout > SessionTimeOut)
{
m_IsAlive = false;
Logging.Print("Connection time out.");
break;
}
timeout += 50;
}
Thread.Sleep(50);
}
}
}
}
catch (SocketException se)
{
Logging.Print("Control Socket Exception : " + se.ErrorCode.ToString());
}
catch (IOException ioe)
{
Logging.Print("IOException: " + ioe.Message);
}
finally
{
m_IsAlive = false;
if (m_CommandSocket != null)
{
m_CommandSocket.Close();
m_CommandSocket = null;
}
if (m_ListenSocket != null)
{
m_ListenSocket.Close();
m_CommandSocket = null;
}
Logging.Print("Client Disconnected.");
}
}
