public async Task <bool> DownloadAsync(FtpFile ftpFile,
Stream stream)
{
return(await this.DownloadAsync(ftpFile,
stream,
CancellationToken.None));
}
public bool Delete(FtpFile ftpFile,
CancellationToken cancellationToken)
{
return(this.DeleteAsync(ftpFile,
cancellationToken)
.Result);
}
public bool Download(FtpFile ftpFile,
Stream stream)
{
return(this.Download(ftpFile,
stream,
CancellationToken.None));
}
public bool Download(FtpFile ftpFile,
Stream stream,
CancellationToken cancellationToken)
{
return(this.DownloadAsync(ftpFile,
stream,
cancellationToken)
.Result);
}
public async Task <bool> UploadAsync(Stream stream,
FtpFile ftpFile,
bool createDirectoryIfNotExists = true)
{
return(await this.UploadAsync(stream,
ftpFile,
CancellationToken.None,
createDirectoryIfNotExists));
}
public bool Upload(Stream stream,
FtpFile ftpFile,
bool createDirectoryIfNotExists = true)
{
return(this.Upload(stream,
ftpFile,
CancellationToken.None,
createDirectoryIfNotExists));
}
public bool Upload(Stream stream,
FtpFile ftpFile,
CancellationToken cancellationToken,
bool createDirectoryIfNotExists = true)
{
return(this.UploadAsync(stream,
ftpFile,
cancellationToken,
createDirectoryIfNotExists)
.Result);
}
public async Task <bool> DeleteAsync(FtpFile ftpFile,
CancellationToken cancellationToken)
{
using (await this._mutex.LockAsync(cancellationToken))
{
var controlComplexSocket = await this.EnsureConnectionAndAuthenticationAsync(cancellationToken);
if (controlComplexSocket == null)
{
return(false);
}
var success = await this.GotoParentDirectoryAsync(controlComplexSocket,
ftpFile,
cancellationToken);
if (!success)
{
return(false);
}
success = await this.SendAndLogAsync(controlComplexSocket,
cancellationToken,
"DELE {0}",
ftpFile.FileName);
if (!success)
{
return(false);
}
var ftpReply = await this.ReceiveAndLogAsync(controlComplexSocket,
cancellationToken);
if (!ftpReply.Success)
{
return(false);
}
}
return(true);
}
public async Task <bool> DeleteAsync(FtpFile ftpFile)
{
return(await this.DeleteAsync(ftpFile,
CancellationToken.None));
}
public bool Delete(FtpFile ftpFile)
{
return(this.Delete(ftpFile,
CancellationToken.None));
}
public async Task <bool> DownloadAsync(FtpFile ftpFile,
Stream stream,
CancellationToken cancellationToken)
{
using (await this._mutex.LockAsync(cancellationToken))
{
var controlComplexSocket = await this.EnsureConnectionAndAuthenticationAsync(cancellationToken);
if (controlComplexSocket == null)
{
return(false);
}
{
var success = await this.GotoParentDirectoryAsync(controlComplexSocket,
ftpFile,
cancellationToken);
if (!success)
{
return(false);
}
}
long bytesTotal;
// sending SIZE
// reading SIZE
{
var success = await this.SendAndLogAsync(controlComplexSocket,
cancellationToken,
"SIZE {0}",
ftpFile.FileName);
if (!success)
{
return(false);
}
var ftpReply = await this.ReceiveAndLogAsync(controlComplexSocket,
cancellationToken);
if (!ftpReply.Success)
{
return(false);
}
if (!long.TryParse(ftpReply.ResponseMessage,
out bytesTotal))
{
return(false);
}
}
// sending PASV
// reading PASV
var transferComplexSocket = await this.GetPassiveComplexSocketAsync(controlComplexSocket,
cancellationToken);
if (transferComplexSocket == null)
{
return(false);
}
{
FtpReply ftpReply;
using (transferComplexSocket)
{
// sending RETR
// open transfer socket
// reading RETR (150 Opening BINARY mode data connection...)
var success = await this.SendAndLogAsync(controlComplexSocket,
cancellationToken,
"RETR {0}",
ftpFile.FileName);
if (!success)
{
return(false);
}
success = await transferComplexSocket.ConnectAsync(cancellationToken);
if (!success)
{
return(false);
}
ftpReply = await this.ReceiveAndLogAsync(controlComplexSocket,
cancellationToken);
if (!ftpReply.Success)
{
return(false);
}
{
this.WaitBeforeReceive();
// reading transfer socket
var rawFtpResponse = await transferComplexSocket.Socket.ReceiveAsync(this.ChunkReceiveBufferSize,
transferComplexSocket.GetSocketAsyncEventArgs,
cancellationToken,
bytesTotal,
bytesReceived =>
{
var downloadProgressEventArgs = new DownloadProgressEventArgs(bytesReceived,
bytesTotal);
this.OnDownloadProgressAsync(downloadProgressEventArgs);
});
if (!rawFtpResponse.Success)
{
return(false);
}
stream.Write(rawFtpResponse.Buffer,
0,
rawFtpResponse.Buffer.Length);
}
}
if (!ftpReply.Completed)
{
// reading RETR (226 Transfer complete)
ftpReply = await this.ReceiveAndLogAsync(controlComplexSocket,
cancellationToken);
if (!ftpReply.Success)
{
return(false);
}
}
}
}
return(true);
}
public async Task <bool> UploadAsync(Stream stream,
FtpFile ftpFile,
CancellationToken cancellationToken,
bool createDirectoryIfNotExists = true)
{
using (await this._mutex.LockAsync(cancellationToken))
{
var controlComplexSocket = await this.EnsureConnectionAndAuthenticationAsync(cancellationToken);
if (controlComplexSocket == null)
{
return(false);
}
{
var success = await this.GotoParentDirectoryAsync(controlComplexSocket,
ftpFile,
cancellationToken,
createDirectoryIfNotExists);
if (!success)
{
return(false);
}
}
// sending PASV
// reading PASV
var transferComplexSocket = await this.GetPassiveComplexSocketAsync(controlComplexSocket,
cancellationToken);
if (transferComplexSocket == null)
{
return(false);
}
FtpReply ftpReply;
using (transferComplexSocket)
{
// sending STOR
// open transfer socket
// reading STOR (150 ...)
var success = await this.SendAndLogAsync(controlComplexSocket,
cancellationToken,
"STOR {0}",
ftpFile.FileName);
if (!success)
{
return(false);
}
success = await transferComplexSocket.ConnectAsync(cancellationToken);
if (!success)
{
return(false);
}
ftpReply = await this.ReceiveAndLogAsync(controlComplexSocket,
cancellationToken);
if (!ftpReply.Success)
{
return(false);
}
{
// sending transfer socket
success = await transferComplexSocket.Socket.SendAsync(this.ChunkSendBufferSize,
controlComplexSocket.GetSocketAsyncEventArgs,
stream,
cancellationToken,
(bytesSent,
bytesTotal) =>
{
var uploadProgressEventArgs = new UploadProgressEventArgs(bytesSent,
bytesTotal);
this.OnUploadProgressAsync(uploadProgressEventArgs);
});
if (!success)
{
return(false);
}
}
}
if (!ftpReply.Completed)
{
// reading STOR (226 ...)
ftpReply = await this.ReceiveAndLogAsync(controlComplexSocket,
cancellationToken);
if (!ftpReply.Success)
{
return(false);
}
}
}
return(true);
}
public bool Upload(Stream stream,
FtpFile ftpFile)
{
Contract.Requires(stream != null);
Contract.Requires(stream.CanRead);
Contract.Requires(ftpFile != null);
lock (this._lockControlComplexSocket)
{
{
var success = this.EnsureConnection();
if (!success)
{
return(false);
}
}
var controlComplexSocket = this._controlComplexSocket;
{
var hierarchy = ftpFile.GetHierarchy()
.Reverse();
foreach (var element in hierarchy)
{
var name = element.Name;
{
var success = controlComplexSocket.Send(string.Format("CWD {0}",
name),
this.Encoding,
this.SendTimeout);
if (!success)
{
return(false);
}
}
var complexResult = controlComplexSocket.Receive(this.Encoding,
this.ReceiveTimeout);
var ftpResponseType = complexResult.FtpResponseType;
switch (ftpResponseType)
{
case FtpResponseType.PermanentNegativeCompletion:
// TODO some parsing of the actual FtpReply.ResponseCode should be done in here. i assume 5xx-state means "directory does not exist" all the time, which might be wrong
var success = this.TryCreateDirectoryInternal(name,
out complexResult);
if (!success)
{
return(false);
}
goto case FtpResponseType.PositiveCompletion;
case FtpResponseType.PositiveCompletion:
continue;
default:
return(false);
}
}
}
var transferComplexSocket = this.GetPassiveComplexSocket();
if (transferComplexSocket == null)
{
return(false);
}
using (transferComplexSocket)
{
{
// sending STOR-command via control socket
var fileName = ftpFile.Name;
var success = controlComplexSocket.Send(string.Format("STOR {0}",
fileName),
this.Encoding,
this.SendTimeout);
if (!success)
{
return(false);
}
}
{
// connect to transfer socket
var connected = transferComplexSocket.Connect(this.ConnectTimeout);
if (!connected)
{
return(false);
}
}
{
// receiving STOR-response via control socket (should be 150/125)
var complexResult = controlComplexSocket.Receive(this.Encoding,
this.ReceiveTimeout);
var success = complexResult.Success;
if (!success)
{
return(false);
}
}
{
// sending content via transfer socket
var success = transferComplexSocket.Send(stream,
this.SendTimeout);
if (!success)
{
return(false);
}
}
}
{
FtpResponseType ftpResponseType;
do
{
var complexResult = controlComplexSocket.Receive(this.Encoding,
this.ReceiveTimeout);
var success = complexResult.Success;
if (!success)
{
return(false);
}
ftpResponseType = complexResult.FtpResponseType;
} while (ftpResponseType != FtpResponseType.PositiveCompletion);
return(true);
}
}
}