private bool DeleteFtpDirectory(FtpPath path)
{
Log(path.Depth, ItemAction.Delete, path.Name);
var parentWorkingDirectory = _remoteWorkingDirectory;
var itemsRemain = false;
foreach (var child in _mainClient.GetListing(path.Name, FtpListOption.AllFiles))
{
var childPath = path.GetChildPath(child.Name);
var exclude = MatchExcludes(childPath.Relative);
if (exclude != null)
{
Log(path.Depth + 1, ItemAction.Skip, child.Name, $"excluded ({exclude.Original})");
itemsRemain = true;
continue;
}
EnsureRemoteWorkingDirectory(path.Absolute);
if (!DeleteFtpAny(childPath, child.Type))
{
itemsRemain = true;
}
}
EnsureRemoteWorkingDirectory(parentWorkingDirectory);
if (itemsRemain)
{
Log(path.Depth + 1, ItemAction.Skip, $"# dir '{path.Name}' not deleted (items remain)");
return(false);
}
FtpRetry.ConnectedCall(_mainClient, parentWorkingDirectory, c => c.DeleteDirectory(path.Name));
return(true);
}
private void PushDirectory(LocalDirectory localDirectory, FtpPath ftpParentPath)
{
var ftpPath = ftpParentPath.GetChildPath(localDirectory.Name);
FtpRetry.ConnectedCall(_mainClient, ftpParentPath.Absolute, c => c.CreateDirectory(localDirectory.Name));
PushDirectoryContents(localDirectory, ftpPath);
}
private void PushFile(LocalFile localFile, string ftpParentPath, string ftpPath, FtpClient client)
{
// https://github.com/hgupta9/FluentFTP/issues/46
using (var readStream = localFile.OpenRead())
using (var writeStream = FtpRetry.ConnectedCall(client, ftpParentPath, c => c.OpenWrite(ftpPath))) {
readStream.CopyTo(writeStream, 256 * 1024);
}
FtpRetry.ConnectedCall(client, ftpParentPath, c => c.SetModifiedTime(ftpPath, localFile.LastWriteTimeUtc));
}
private void EnsureRemoteWorkingDirectory(string absolutePath, int?retryCount = null)
{
if (_remoteWorkingDirectory == absolutePath)
{
return;
}
FtpRetry.ConnectedCall(_mainClient, "/", c => c.SetWorkingDirectory(absolutePath), retryCount);
_remoteWorkingDirectory = absolutePath;
}
public void SynchronizeTopLevel(FileSystemInfo local, string ftpPath)
{
var ftpPathObject = new FtpPath(ftpPath.SubstringAfterLast("/"), ftpPath, "", 0);
var remoteIsDirectory = false;
try {
EnsureRemoteWorkingDirectory(ftpPath, retryCount: 0);
remoteIsDirectory = true;
}
catch (FtpCommandException ex) when(ex.CompletionCode == "550")
{
}
var localAsDirectory = local as DirectoryInfo;
if (!remoteIsDirectory)
{
if (localAsDirectory == null)
{
Log(0, ItemAction.Replace, local.Name);
PushFile(new LocalFile((FileInfo)local, local.Name, 0), "/", ftpPath, _mainClient);
return;
}
if (!_mainClient.HasFeature(FtpCapability.MLSD))
{
throw new NotSupportedException($"FTP server does not support MLST and no other way to know whether file {ftpPath} exists was implemented.");
}
if (_mainClient.GetObjectInfo(ftpPath) != null)
{
DeleteFtpFile(ftpPathObject);
}
Log(0, ItemAction.Add, localAsDirectory.Name);
FtpRetry.ConnectedCall(_mainClient, "/", c => c.CreateDirectory(localAsDirectory.Name));
PushDirectoryContents(new LocalDirectory(localAsDirectory, "", 0), ftpPathObject);
return;
}
if (localAsDirectory == null)
{
var remoteChild = _mainClient.GetListing(".", FtpListOption.AllFiles).FirstOrDefault(l => l.Name.Equals(local.Name, StringComparison.OrdinalIgnoreCase));
SynchronizeFileAsync(new LocalFile((FileInfo)local, local.Name, 0), ftpPathObject, remoteChild)?.GetAwaiter().GetResult();
}
SynchronizeDirectory(new LocalDirectory(localAsDirectory, "", 0), ftpPathObject);
}
private async Task PushFileAsync(LocalFile localFile)
{
var remoteWorkingDirectory = _remoteWorkingDirectory;
using (var pushLease = _backgroundPool.LeaseClient()) {
// ReSharper disable AccessToDisposedClosure
await Task.Run(() => {
try {
FtpRetry.ConnectedCall(pushLease.Client, "/", c => c.SetWorkingDirectory(remoteWorkingDirectory));
PushFile(localFile, remoteWorkingDirectory, localFile.Name, pushLease.Client);
}
catch (Exception ex) {
throw new Exception($"Failed to push file '{localFile.RelativePath}': {ex.Message}", ex);
}
}).ConfigureAwait(false);
// ReSharper restore AccessToDisposedClosure
}
}
private static FtpClient CreateFtpClient(Uri url, NetworkCredential credentials, bool active, bool retry)
{
var encryptionMode = FtpEncryptionMode.None;
if (url.Scheme.Equals("ftps", StringComparison.OrdinalIgnoreCase))
{
encryptionMode = FtpEncryptionMode.Explicit;
}
else if (!url.Scheme.Equals("ftp", StringComparison.OrdinalIgnoreCase))
{
throw new ArgumentValidationException($"URL scheme '{url.Scheme}' is not supported.");
}
FtpClient client = null;
try {
client = new FtpClient {
DataConnectionType = active ? FtpDataConnectionType.AutoActive : FtpDataConnectionType.AutoPassive,
Host = url.Host,
Port = !url.IsDefaultPort ? url.Port : 0,
EncryptionMode = encryptionMode,
Credentials = credentials,
SslProtocols = SslProtocols.Default | SslProtocols.Tls11 | SslProtocols.Tls12
};
if (retry)
{
FtpRetry.ConnectedCall(client, "/", c => { /* ConnectedCall will call Connect() for us */ });
}
else
{
client.Connect();
}
return(client);
}
catch (Exception) {
client?.Dispose();
throw;
}
}
private void SynchronizeDirectory(LocalDirectory localDirectory, FtpPath ftpPath)
{
Log(localDirectory.Depth, ItemAction.Synchronize, localDirectory.Name);
EnsureRemoteWorkingDirectory(ftpPath.Absolute);
var allRemote = FtpRetry.ConnectedCall(_mainClient, ftpPath.Absolute, c => c.GetListing(".", FtpListOption.AllFiles))
.ToDictionary(l => l.Name, StringComparer.OrdinalIgnoreCase);
var allRemoteFound = new HashSet <FtpListItem>();
var pushTasks = new List <Task>();
foreach (var local in localDirectory.EnumerateChildren())
{
var remote = allRemote.GetValueOrDefault(local.Name);
var exclude = MatchExcludes(local.RelativePath);
if (exclude != null)
{
Log(localDirectory.Depth + 1, ItemAction.Skip, local.Name, $"excluded ({exclude.Original})");
allRemoteFound.Add(remote);
continue;
}
EnsureRemoteWorkingDirectory(ftpPath.Absolute);
if (remote != null)
{
allRemoteFound.Add(remote);
}
var localAsDirectory = local as LocalDirectory;
if (localAsDirectory != null)
{
if (remote == null)
{
Log(localDirectory.Depth + 1, ItemAction.Add, localAsDirectory.Name);
PushDirectory(localAsDirectory, ftpPath);
continue;
}
if (remote.Type == FtpFileSystemObjectType.Directory)
{
SynchronizeDirectory(localAsDirectory, ftpPath.GetChildPath(remote.Name));
continue;
}
DeleteFtpFile(ftpPath.GetChildPath(remote.Name));
Log(localDirectory.Depth + 1, ItemAction.Add, localAsDirectory.Name);
PushDirectory(localAsDirectory, ftpPath);
continue;
}
var localAsFile = (LocalFile)local;
var pushTask = SynchronizeFileAsync(localAsFile, ftpPath, remote);
if (pushTask != null)
{
pushTasks.Add(pushTask);
}
}
if (pushTasks.Count > 0)
{
Task.WaitAll(pushTasks.ToArray());
}
EnsureRemoteWorkingDirectory(ftpPath.Absolute);
foreach (var missing in allRemote.Values.Except(allRemoteFound))
{
var missingPath = ftpPath.GetChildPath(missing.Name);
var exclude = MatchExcludes(missingPath.Relative);
if (exclude != null)
{
Log(localDirectory.Depth + 1, ItemAction.Skip, missing.Name, $"excluded ({exclude.Original})");
continue;
}
DeleteFtpAny(missingPath, missing.Type);
}
}
private void DeleteFtpFile(FtpPath path)
{
Log(path.Depth, ItemAction.Delete, path.Name);
FtpRetry.ConnectedCall(_mainClient, _remoteWorkingDirectory, c => c.DeleteFile(path.Name));
}