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RELEASES.md

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Release Notes

Unreleased

  • New: Additional FTP Server software detection (HP NonStop/Tandem, GlobalScape EFT, Serv-U, Cerberus, CrushFTP, glFTPd)
  • New: Assume capabilities for servers that don't support FEAT (wuFTPd)
  • Fix: FileExists returns false if name listing is used and server lists filenames with the path
  • Fix: For OpenVMS absolute paths may not contain slashes but are still absolute

23.0.0

  • New: Ability to cancel all async methods via CancellationToken (thanks WolfspiritM)
  • New: ReadTimeout is now honored by all async methods (thanks WolfspiritM)
  • New: FTP Server operating system detection (Windows, Unix, VMS, IBM/OS400)
  • (.NET core) Fix: GetListing blocking with no timeout (thanks WolfspiritM)
  • (.NET core) Fix async methods by not using the the async read function (thanks WolfspiritM)

22.0.0

  • New: Ability to resume a download via existsMode on DownloadFile() and DownloadFiles() (thanks n0ix)
  • New: Ability to turn off checking for server capabilities using FEAT command (thanks @nhh-softwarehuset)
  • Fix: Add workaround if a server advertises a non-routeable IP in PASV Mode (thanks n0ix)
  • Fix: Recursive directory deletion tries to delete the same file twice (because GetListing is also recursive)

21.0.0

  • New: OnLogEvent callback to get logs in the context of indivivdual FtpClient connections
  • Fix: All logging is done in the context of an FtpClient and then passed to FtpTrace listeners
  • Signature for custom list parsers has changed, FtpClient argument added to the end

20.0.0

  • New: FTP Server software detection (PureFTPd, VsFTPd, ProFTPD, FileZilla, OpenVMS, WindowsCE, WuFTPd)
  • New: Detect if the FTP server supports recursive file listing (LIST -R) command using whitelist
  • New: GetListing will manually recurse through directories if FtpListOption.Recursive is set and server does not support recursion
  • New: Added LastReply property which returns the last FtpReply recieved from the server.
  • New: Added new upload option AppendNoCheck to append to a file on the server without checking if it exists (thanks @everbalovas)
  • Fix: During upload, respond to any error in 5xx series, not just 550 (thanks @stengnath)
  • Fix: Various fixes to UploadFileAsync based on fixes already implemented in UploadFile

19.2.4

  • Fix: UploadFilesAsync with errorHandling deletes the entire directory instead of specific files
  • Fix: Server responds to EPSV with 425 "Data connection failed" but connects with PASV (thanks @ejohnsonTKTNET)
  • Fix: Use proper async configuration for .NET Async methods (thanks @ejohnsonTKTNET)
  • Fix: Improve implementation of upload and download resuming in Async methods (thanks @ejohnsonTKTNET)

19.2.3

  • Fix: UploadFile() or UploadFiles() sometimes fails to create the remote directory if it doesn't exist
  • Fix: DownloadDataType Binary value ignored on ASCII-configured FTP servers
  • Performance improvement: Added BufferedStream between SslStream and NetworkStream (thanks @Lukazoid)
  • Fix: When the FTP server sends 550, transfer is received but not confirmed (thanks @stengnath)
  • Fix: Make Dispose method of FTPClient virtual (thanks @martinbu)
  • Fix: OpenPassiveDataStream/Async() uses the target FTP host instead of the configured proxy (thanks @rmja)
  • Fix: FileExists() for Xlight FTP Server (thanks @oldpepper)
  • Fix: FTPD "550 No files found" when folder exists but is empty, only in PASV mode (thanks @olivierSOW)
  • Fix: Many unexpected EOF for remote file IOException on Android (thanks @jersiovic)
  • Fix: Race condition when BeginInvoke calls the callback before the IAsyncResult is added (thanks @Lukazoid)

19.2.2

  • Fix: Prevent socket poll from hammering the server multiple times per second
  • Fix: Allow using absolute paths that include drive letters (Windows servers)
  • Performance improvement: Only change the FTP data type if different from required type
  • Performance improvement: Download all files in EOF mode and skip the file size check, unless download progress is required
  • Added all missing async versions of FTP methods to IFtpClient
  • System: Certain core FTP socket handling operations have been changed to improve reliability & performance.

19.1.4

  • Fix: Fix hang in TLS activation because no timeout is set on the underlying NetworkStream (thanks @iamjay)

19.1.3

  • Added async versions of FTP methods to IFtpClient (thanks @peterfortuin)
  • Fix: Fixes when ActivePorts is specified in active FTP mode (thanks @ToniMontana)
  • Fix: Throw OperationCanceledException instead of FtpException when cancellation is requested (thanks @taoyouh)

19.1.2

  • Fix: Add support for checking if file exists on Serv-U FTP Server
  • Fix: Make IFtpClient inherit from IDisposable (thanks @repl-andrew-ovens)
  • (UWP) Fix: UWP does not allow File.Exists() to run in UI thread (thanks @taoyouh)

19.1.1

  • Fix: When downloading files in ASCII mode, file length is unreliable therefore we read until EOF
  • Fix: When upload/download progress is indeterminate, send -1 instead of NaN or Infinity
  • Fix: NetStream was not assigned in FtpSocketStream for .NET Standard in active FTP mode (thanks @ralftar)
  • Fix: CurrentDataType was not set for ASCII transfers in DownloadFileAsync/UploadFileAsync (thanks @taoyouh)
  • Fix: Sometimes FtpSocketStream and FtpDataStream are not disposed in FtpSocketStream.Dispose (thanks @taoyouh)

19.1.0

  • New Progress reporting for UploadFile & DownloadFile methods via IProgress
  • Fix: Stream.Position should not be set in UploadFileInternal unless supported

19.0.0

  • New Task-based async methods for .NET Standard and .NET Fx 4.5 (thanks @taoyouh)
  • New async methods for UploadFile, DownloadFile, UploadFiles & DownloadFiles (thanks @artiomchi)
  • (UWP) Fix: FileNotFoundException with reference System.Console (thanks @artiomchi)
  • (.NET core) Fix: Thread suspends when calling UploadFile or DownloadFile (thanks @artiomchi)
  • (.NET core) Fix: File download hangs inconsistently when reading data from stream (thanks @artiomchi, @bgroenks96)
  • (.NET core) Fix: Stream does not dispose due to wrong handling of closing/disposing (thanks @artiomchi)
  • Fix: File upload EOS bug when calling Stream.Read (thanks @bgroenks96, @artiomchi, @taoyouh)
  • Fix: DownloadFileInternal not recognizing the download data type with EnableThreadSafeConnections (thanks @bgroenks96)
  • (Backend) Migrate to a single VS 2017 solution for all frameworks (thanks @artiomchi)
  • (Backend) Continuous Integration using AppVeyor (thanks @artiomchi)

18.0.1

  • Add IFtpClient interface to build unit tests upon main FtpClient class (thanks Kris0)
  • Disposing FtpDataStream reads server reply and closes the underlying stream (thanks Lukazoid)

18.0.0

  • New SetModifiedTime API to change modified date of a server file in local timezone/UTC
  • Add type argument to GetModifiedTime, allowing for getting dates in UTC/Local timezone
  • Breaking changes to Async API of GetModifiedTime (addition of type argument)
  • GetModifiedTime and SetModifiedTime now honor the TimeOffset property in FtpClient
  • Add checkIfFileExists to OpenRead, OpenAppend and OpenWrite to skip GetFileSize check
  • Fix issue where InnerException is null during a file transfer (upload/download)
  • Improve performance of typical uploads/downloads by skipping the extra file exists check

17.6.1

  • Fix for CreateDirectory and DirectoryExists to allow null/blank input path values
  • Fix for GetFtpDirectoryName to return correct parent folder of simple folder paths (thanks ww898)

17.6.0

  • Add argument validation for missing/blank arguments in : Upload, Download, UploadFile(s), DownloadFile(s), GetObjectInfo, DeleteFile, DeleteDirectory, FileExists, DirectoryExists, CreateDirectory, Rename, MoveFile, MoveDirectory, SetFilePermissions, Chmod, GetFilePermissions, GetChmod, GetFileSize, GetModifiedTime, VerifyTransfer, OpenRead, OpenWrite, OpenAppend
  • Disable all async methods on .NET core due to persistant PlatformUnsupported exception (if you need async you are free to contribute a non-blocking version of the methods)

17.5.9

  • Increase performance of GetListing by reading multiple lines at once (BulkListing property, thanks sierrodc)

17.5.8

  • Add support for parsing AS400 listings inside a file (5 fields) (thanks rharrisxtheta)
  • Retry interpreting file listings after encountered invalid date format (thanks rharrisxtheta)
  • Always switch into binary mode when running SIZE command (thanks rharrisxtheta)

17.5.7

  • Honor UploadDataType and DownloadDataType in all sync/async cases (thanks rharrisxtheta)
  • Force file transfers in BINARY mode for known 0 byte files (thanks rharrisxtheta)
  • Allow file transfers in ASCII mode if the server doesn't support the SIZE command (thanks rharrisxtheta)

17.5.6

  • Fix NullReferenceException when arguments are null during FtpTrace.WriteFunc

17.5.5

  • Remove internal locking for .NET Standard 1.4 version since unsupported on UWP

17.5.4

  • Remove dependency on System.Threading.Thread for .NET Standard 1.4 version (for UWP)

17.5.3

  • Allow transferring files in ASCII/Binary mode with the high-level API (UploadDataType, DownloadDataType)

17.5.2

  • Add support for .NET 3.5 and .NET Standard 1.4 (supports Universal Windows Platform 10.0)

17.5.1

  • Add FtpTrace.LogToConsole and LogToFile to control logging in .NET core version

17.5.0

  • Add PlainTextEncryption API to support FTPS servers and plain-text FTP firewalls (CCC command)
  • FluentFTP now uses unsafe code to support the CCC command (inside FtpSslStream)
  • If you need a "non unsafe" version of the library please add an issue

17.4.4

  • Add logging for high-level function calls to improve remote debugging (FtpTrace.LogFunctions)
  • Add settings to hide sensitive data from logs (FtpTrace.LogIP, LogUserName, LogPassword)
  • Add RecursiveList to control if recursive listing should be used
  • Auto-detect Windows CE and disable recursive listing during DeleteDirectory()

17.4.2

  • Add UploadRateLimit and DownloadRateLimit to control the speed of data transfer (thanks Danie-Brink)

17.4.1

  • Fix parsing of LinkTarget during GetListing() on Unix FTP servers
  • Improve logging clarity by removing "FluentFTP" prefix in TraceSource

17.4.0

  • Add MoveFile() and MoveDirectory() to move files and directories safely

17.3.0

  • Automatically verify checksum of a file after upload/download (thanks jblacker)
  • Configurable error handling (abort/throw/ignore) for file transfers (thanks jblacker)
  • Multiple log levels for tracing/logging debug output in FtpTrace (thanks jblacker)

17.2.0

  • Simplify DeleteDirectory() API - the force and fastMode args are no longer required
  • DeleteDirectory() is faster since it uses one recursive file listing instead of many
  • Remove .NET Standard 1.4 to improve nuget update reliability, since we need 1.6 anyway

17.1.0

  • Split stream API into Upload()/UploadFile() and Download()/DownloadFile()

17.0.0

  • Greatly improve performance of FileExists() and GetNameListing()
  • Add new OS-specific directory listing parsers to GetListing() and GetObjectInfo()
  • Support GetObjectInfo() even if machine listings are not supported by the server
  • Add existsMode to UploadFile() and UploadFiles() allowing for skip/overwrite and append
  • Remove all usages of string.Format to fix reliability issues caused with UTF filenames
  • Fix issue of broken files when uploading/downloading through a proxy (thanks Zoltan666)
  • GetReply() is now public so users of OpenRead/OpenAppend/OpenWrite can call it after

16.5.0

  • Add async/await support to all methods for .NET 4.5 and onwards (thanks jblacker)

16.4.0

  • Support for .NET Standard 1.4 added.

16.2.5

  • Add UploadFiles() and DownloadFiles() which is faster than single file transfers
  • Allow disabling UTF mode using DisableUTF8 API

16.2.4

  • First .NET Core release (DNXCore5.0) using Visual Studio 2017 project and shared codebase.
  • Support for .NET 2.0 also added with shims for LINQ commands needed.

16.2.1

  • Add FtpListOption.IncludeSelfAndParent to GetListing

16.1.0

  • Use streams during upload/download of files to improve performance with large files

16.0.18

  • Support for uploading/downloading to Streams and byte[] with UploadFile() and DownloadFile()

16.0.17

  • Added high-level UploadFile() and DownloadFile() API. Fixed some race conditions.

16.0.14

  • Added support for FTP proxies using HTTP 1.1 and User@Host modes. (thanks L3Z4)