//Version taking string/FileInfo
public bool Download(string sourceFilename, FileInfo targetFI, bool PermitOverwrite)
{
//1. check target
if (targetFI.Exists && !(PermitOverwrite))
{
throw (new ApplicationException("Target file already exists"));
}
//2. check source
string target;
if (sourceFilename.Trim() == "")
{
throw (new ApplicationException("File not specified"));
}
else if (sourceFilename.Contains("/"))
{
//treat as a full path
target = AdjustDir(sourceFilename);
}
else
{
//treat as filename only, use current directory
target = CurrentDirectory + sourceFilename;
}
string URI = Hostname + target;
//3. perform copy
DownloadFTPRequest = GetRequest(URI);
//Set request to download a file in binary mode
DownloadFTPRequest.Method = System.Net.WebRequestMethods.Ftp.DownloadFile;
DownloadFTPRequest.UseBinary = true;
TargetFileInfo = targetFI;
//Give Message of Command
FtpConnectEventArgs StartMessage = new FtpConnectEventArgs("COMMAND", "Ftp Connect Start", "CONNECT");
//OnFtpConnected(this, StartMessage);
System.Windows.Forms.Application.DoEvents();
//open request and get response stream
using (DownloadResponse = (FtpWebResponse)DownloadFTPRequest.GetResponse())
{
using (DownloadResponseStream = DownloadResponse.GetResponseStream())
{
//System.Security.AccessControl.FileSecurity fileSecurity = new System.Security.AccessControl.FileSecurity(targetFI.FullName, System.Security.AccessControl.AccessControlSections.All);
//targetFI.SetAccessControl(fileSecurity);
//loop to read & write to file
using (DownloadFileStream = new FileStream(targetFI.FullName, FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
try
{
//Give Message of Command
FtpConnectEventArgs ConnectMessage = new FtpConnectEventArgs("COMMAND", "Ftp Connected", "CONNECT");
//OnFtpConnected(this, ConnectMessage);
//Give Message of Command
NewMessageEventArgs e = new NewMessageEventArgs("COMMAND", "Download File", "RETR");
//OnNewMessageReceived(this, e);
byte[] buffer = new byte[2048];
int read = 0;
Int64 TotalBytesRead = 0;
Int64 FileSize = this.GetFileSize(sourceFilename);
DownloadCanceled = false;
do
{
if (DownloadCanceled)
{
NewMessageEventArgs CancelMessage = new NewMessageEventArgs("RESPONSE", "Download Canceled.", "CANCEL");
DownloadCanceled = false;
//OnNewMessageReceived(this, CancelMessage);
return(false);
}
read = DownloadResponseStream.Read(buffer, 0, buffer.Length);
DownloadFileStream.Write(buffer, 0, read);
TotalBytesRead += read;
//Declare Event
DownloadProgressChangedArgs DownloadProgress = new DownloadProgressChangedArgs(TotalBytesRead, FileSize);
//Progress changed, Raise the event.
//OnDownloadProgressChanged(this, DownloadProgress);
System.Windows.Forms.Application.DoEvents();
} while (!(read == 0));
//Get Message and Raise Event
NewMessageEventArgs NewMessageArgs = new NewMessageEventArgs("RESPONSE", DownloadResponse.StatusDescription, DownloadResponse.StatusCode.ToString());
//OnNewMessageReceived(this, NewMessageArgs);
//Declare Event
DownloadCompletedArgs Args = new DownloadCompletedArgs("Successful", true);
//Raise Event
//OnDownloadCompleted(this, Args);
DownloadResponseStream.Close();
DownloadFileStream.Flush();
DownloadFileStream.Close();
DownloadFileStream = null;
DownloadResponseStream = null;
}
catch (Exception ex)
{
//catch error and delete file only partially downloaded
DownloadFileStream.Close();
//delete target file as it's incomplete
targetFI.Delete();
//Decalre Event for Error
DownloadCompletedArgs DownloadCompleted = new DownloadCompletedArgs("Error: " + ex.Message, false);
//Raise Event
//OnDownloadCompleted(this, DownloadCompleted);
}
}
if (DownloadFileStream != null)
{
DownloadResponseStream.Close();
}
}
if (DownloadFileStream != null)
{
DownloadResponse.Close();
}
}
return(true);
}
/// <summary>
/// Upload a local file to the FTP server
/// </summary>
/// <param name="fi">Source file</param>
/// <param name="targetFilename">Target filename (optional)</param>
/// <returns></returns>
public bool Upload(FileInfo fi, string targetFilename)
{
//copy the file specified to target file: target file can be full path or just filename (uses current dir)
//1. check target
string target;
if (targetFilename.Trim() == "")
{
//Blank target: use source filename & current dir
target = this.CurrentDirectory + fi.Name;
}
else if (targetFilename.Contains("/"))
{
//If contains / treat as a full path
target = AdjustDir(targetFilename);
}
else
{
//otherwise treat as filename only, use current directory
target = CurrentDirectory + targetFilename;
}
string URI = Hostname + target;
//perform copy
UploadFTPRequest = GetRequest(URI);
//Set request to upload a file in binary
UploadFTPRequest.Method = System.Net.WebRequestMethods.Ftp.UploadFile;
UploadFTPRequest.UseBinary = true;
//Notify FTP of the expected size
UploadFTPRequest.ContentLength = fi.Length;
UploadFileInfo = fi;
//create byte array to store: ensure at least 1 byte!
const int BufferSize = 2048;
byte[] content = new byte[BufferSize - 1 + 1];
int dataRead;
//open file for reading
using (UploadFileStream = fi.OpenRead())
{
try
{
//open request to send
//Give Message of Command
FtpConnectEventArgs StartMessage = new FtpConnectEventArgs("COMMAND", "Ftp Connect Start", "CONNECT");
//OnFtpConnected(this, StartMessage);
System.Windows.Forms.Application.DoEvents();
using (UploadStream = UploadFTPRequest.GetRequestStream())
{
//Give Message of Command
FtpConnectEventArgs ConnectMessage = new FtpConnectEventArgs("COMMAND", "Ftp Connected", "CONNECT");
//OnFtpConnected(this, ConnectMessage);
//Give Message of Command
NewMessageEventArgs e = new NewMessageEventArgs("COMMAND", "Upload File", "STOR");
//OnNewMessageReceived(this, e);
//Get File Size
Int64 TotalBytesUploaded = 0;
Int64 FileSize = fi.Length;
do
{
if (UploadCanceled)
{
NewMessageEventArgs CancelMessage = new NewMessageEventArgs("RESPONSE", "Upload Canceled.", "CANCEL");
//OnNewMessageReceived(this, CancelMessage);
UploadCanceled = false;
return(false);
}
dataRead = UploadFileStream.Read(content, 0, BufferSize);
UploadStream.Write(content, 0, dataRead);
TotalBytesUploaded += dataRead;
//Declare Event
UploadProgressChangedArgs DownloadProgress = new UploadProgressChangedArgs(TotalBytesUploaded, FileSize);
//Progress changed, Raise the event.
//OnUploadProgressChanged(this, DownloadProgress);
System.Windows.Forms.Application.DoEvents();
} while (!(dataRead < BufferSize));
//Get Message and Raise Event
NewMessageEventArgs UPloadResponse = new NewMessageEventArgs("RESPONSE", "File Uploaded!", "STOR");
//OnNewMessageReceived(this, UPloadResponse);
//Declare Event
UploadCompletedArgs Args = new UploadCompletedArgs("Successful", true);
//Raise Event
//OnUploadCompleted(this, Args);
UploadStream.Close();
}
}
catch (Exception ex)
{
//Declare Event
UploadCompletedArgs Args = new UploadCompletedArgs("Error: " + ex.Message, false);
//Raise Event
OnUploadCompleted(this, Args);
}
finally
{
//ensure file closed
UploadFileStream.Close();
}
}
UploadFTPRequest = null;
return(true);
}
