private IEnumerable <Tuple <string, string> > GetLocalListing(string localPath, string remotePath, bool recursive)
{
if (string.IsNullOrWhiteSpace(localPath))
{
throw new ArgumentNullException(nameof(localPath));
}
if (string.IsNullOrWhiteSpace(remotePath))
{
throw new ArgumentNullException(nameof(remotePath));
}
List <Tuple <string, string> > listing = new List <Tuple <string, string> >();
DirectoryInfo currentDirectory = new DirectoryInfo(localPath);
string nextRemotePath = FtpConfiguration.CombinePaths(remotePath, currentDirectory.Name);
foreach (FileInfo fileInfo in currentDirectory.EnumerateFiles())
{
listing.Add(new Tuple <string, string>(fileInfo.FullName, FtpConfiguration.CombinePaths(nextRemotePath, fileInfo.Name)));
}
if (recursive)
{
foreach (DirectoryInfo directoryInfo in currentDirectory.EnumerateDirectories())
{
listing.AddRange(GetLocalListing(directoryInfo.FullName, nextRemotePath, recursive));
}
}
return(listing);
}
public FtpSession(FtpConfiguration ftpConfiguration, FtpsMode ftpsMode)
{
if (ftpConfiguration == null)
{
throw new ArgumentNullException(nameof(ftpConfiguration));
}
_ftpClient = new FtpClient(ftpConfiguration.Host);
if (ftpConfiguration.Port != null)
{
_ftpClient.Port = ftpConfiguration.Port.Value;
}
if (ftpConfiguration.UseAnonymousLogin == false)
{
_ftpClient.Credentials = new NetworkCredential(ftpConfiguration.Username, ftpConfiguration.Password);
}
switch (ftpsMode)
{
case FtpsMode.Explicit:
_ftpClient.EncryptionMode = FtpEncryptionMode.Explicit;
break;
case FtpsMode.Implicit:
_ftpClient.EncryptionMode = FtpEncryptionMode.Implicit;
break;
case FtpsMode.None:
_ftpClient.EncryptionMode = FtpEncryptionMode.None;
break;
default:
throw new InvalidOperationException("UnknownFTPSModeException");
}
if (ftpsMode != FtpsMode.None)
{
ServicePointManager.ServerCertificateValidationCallback += RemoteCertificateValidate;
_ftpClient.ValidateCertificate += (control, e) => _ftpClient_ValidateCertificate(control, e, ftpConfiguration.AcceptAllCertificates);
if (string.IsNullOrWhiteSpace(ftpConfiguration.ClientCertificatePath) == false)
{
X509Certificate2 clientCertificate;
if (ftpConfiguration.ClientCertificatePassword == null)
{
clientCertificate = new X509Certificate2(ftpConfiguration.ClientCertificatePath);
}
else
{
clientCertificate = new X509Certificate2(ftpConfiguration.ClientCertificatePath, ftpConfiguration.ClientCertificatePassword);
}
_ftpClient.ClientCertificates.Add(clientCertificate);
}
}
}
async Task IFtpSession.UploadAsync(string localPath, string remotePath, bool overwrite, bool recursive, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(localPath))
{
throw new ArgumentNullException(nameof(localPath));
}
if (string.IsNullOrWhiteSpace(remotePath))
{
throw new ArgumentNullException(nameof(remotePath));
}
if (Directory.Exists(localPath))
{
IEnumerable <Tuple <string, string> > listing = GetLocalListing(localPath, remotePath, recursive);
foreach (Tuple <string, string> pair in listing)
{
cancellationToken.ThrowIfCancellationRequested();
string directoryPath = FtpConfiguration.GetDirectoryPath(pair.Item2);
if (!_sftpClient.Exists(directoryPath))
{
_sftpClient.CreateDirectory(directoryPath);
}
using (Stream fileStream = File.OpenRead(pair.Item1))
{
await Task.Factory.FromAsync(_sftpClient.BeginUploadFile(fileStream, pair.Item2, overwrite, null, null), _sftpClient.EndUploadFile);
}
}
}
else
{
if (File.Exists(localPath))
{
if (_sftpClient.Exists(remotePath) && !overwrite)
{
throw new IOException("FileExistsException");
}
using (Stream fileStream = File.OpenRead(localPath))
{
await Task.Factory.FromAsync(_sftpClient.BeginUploadFile(fileStream, remotePath, overwrite, null, null), _sftpClient.EndUploadFile);
}
}
else
{
throw new ArgumentException("PathNotFoundException", (localPath));
}
}
}
void IFtpSession.Upload(string localPath, string remotePath, bool overwrite, bool recursive)
{
if (string.IsNullOrWhiteSpace(localPath))
{
throw new ArgumentNullException(nameof(localPath));
}
if (string.IsNullOrWhiteSpace(remotePath))
{
throw new ArgumentNullException(nameof(remotePath));
}
if (Directory.Exists(localPath))
{
IEnumerable <Tuple <string, string> > listing = GetLocalListing(localPath, remotePath, recursive);
foreach (Tuple <string, string> pair in listing)
{
string directoryPath = FtpConfiguration.GetDirectoryPath(pair.Item2);
if (!_sftpClient.Exists(directoryPath))
{
_sftpClient.CreateDirectory(directoryPath);
}
using (Stream fileStream = File.OpenRead(pair.Item1))
{
_sftpClient.UploadFile(fileStream, pair.Item2, overwrite);
}
}
}
else
{
if (File.Exists(localPath))
{
if (_sftpClient.Exists(remotePath) && !overwrite)
{
throw new IOException("FileExistsException");
}
using (Stream fileStream = File.OpenRead(localPath))
{
_sftpClient.UploadFile(fileStream, remotePath, overwrite);
}
}
else
{
throw new ArgumentException("PathNotFoundException", (localPath));
}
}
}
protected override async Task <Action <NativeActivityContext> > ExecuteAsync(NativeActivityContext context, CancellationToken cancellationToken)
{
IFtpSession ftpSession = null;
FtpConfiguration ftpConfiguration = new FtpConfiguration(Host.Get(context));
ftpConfiguration.Port = Port.Expression == null ? null : (int?)Port.Get(context);
ftpConfiguration.UseAnonymousLogin = UseAnonymousLogin;
ftpConfiguration.ClientCertificatePath = ClientCertificatePath.Get(context);
ftpConfiguration.ClientCertificatePassword = ClientCertificatePassword.Get(context);
ftpConfiguration.AcceptAllCertificates = AcceptAllCertificates;
if (ftpConfiguration.UseAnonymousLogin == false)
{
ftpConfiguration.Username = Username.Get(context);
ftpConfiguration.Password = Password.Get(context);
if (string.IsNullOrWhiteSpace(ftpConfiguration.Username))
{
throw new ArgumentNullException("EmptyUsernameException");
}
}
if (UseSftp)
{
ftpSession = new SftpSession(ftpConfiguration);
}
else
{
ftpSession = new FtpSession(ftpConfiguration, FtpsMode);
}
await ftpSession.OpenAsync(cancellationToken);
return((nativeActivityContext) =>
{
if (Body != null)
{
_ftpSession = ftpSession;
nativeActivityContext.ScheduleAction(Body, ftpSession, OnCompleted, OnFaulted);
}
});
}
public SftpSession(FtpConfiguration ftpConfiguration)
{
if (ftpConfiguration == null)
{
throw new ArgumentNullException(nameof(ftpConfiguration));
}
ConnectionInfo connectionInfo = null;
if (ftpConfiguration.Port == null)
{
connectionInfo = new ConnectionInfo(ftpConfiguration.Host, ftpConfiguration.Username, new PasswordAuthenticationMethod(ftpConfiguration.Username, ftpConfiguration.Password));
}
else
{
connectionInfo = new ConnectionInfo(ftpConfiguration.Host, ftpConfiguration.Port.Value, ftpConfiguration.Username, new PasswordAuthenticationMethod(ftpConfiguration.Username, ftpConfiguration.Password));
}
_sftpClient = new SftpClient(connectionInfo);
}
protected override async Task <Action <AsyncCodeActivityContext> > ExecuteAsync(AsyncCodeActivityContext context, CancellationToken cancellationToken)
{
PropertyDescriptor ftpSessionProperty = context.DataContext.GetProperties()[WithFtpSession.FtpSessionPropertyName];
IFtpSession ftpSession = ftpSessionProperty?.GetValue(context.DataContext) as IFtpSession;
if (ftpSession == null)
{
throw new InvalidOperationException("FTPSessionNotFoundException");
}
string localPath = LocalPath.Get(context);
string remotePath = RemotePath.Get(context);
if (Directory.Exists(localPath))
{
if (string.IsNullOrWhiteSpace(Path.GetExtension(remotePath)))
{
if (!(await ftpSession.DirectoryExistsAsync(remotePath, cancellationToken)))
{
if (Create)
{
await ftpSession.CreateDirectoryAsync(remotePath, cancellationToken);
}
else
{
throw new ArgumentException("PathNotFoundException", remotePath);
}
}
}
else
{
throw new InvalidOperationException("IncompatiblePathsException");
}
}
else
{
if (File.Exists(localPath))
{
if (string.IsNullOrWhiteSpace(Path.GetExtension(remotePath)))
{
remotePath = FtpConfiguration.CombinePaths(remotePath, Path.GetFileName(localPath));
}
string directoryPath = FtpConfiguration.GetDirectoryPath(remotePath);
if (!(await ftpSession.DirectoryExistsAsync(directoryPath, cancellationToken)))
{
if (Create)
{
await ftpSession.CreateDirectoryAsync(directoryPath, cancellationToken);
}
else
{
throw new InvalidOperationException(directoryPath);
}
}
}
else
{
throw new ArgumentException("PathNotFoundException", localPath);
}
}
await ftpSession.UploadAsync(localPath, remotePath, Overwrite, Recursive, cancellationToken);
return((asyncCodeActivityContext) =>
{
});
}
