chore(deps): update dependency fluentftp to v53

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
FluentFTP	37.1.2 -> 53.0.1

---

Release Notes

robinrodricks/FluentFTP (FluentFTP)

v53.0.1

• FTP Protocol
  • New: Handle no-reply from FTP server by adding new overload to Execute() (thanks @​FanDjango)
  • Fix: NetworkStream ReadAsync infinite timeout when server is unresponsive (thanks @​Gino1024)
  • Fix: Preserve trailing slashes for special servers (thanks @​FanDjango)
  • New: Add Config.PreserveTrailingSlashCmdList setting (thanks @​FanDjango)
  • Fix: Improved handling of multiline FTP server responses (thanks @​FanDjango and @​kowalski-se)
  • Fix: GetChecksum() cannot parse FTP server response if the path contains spaces (thanks @​FanDjango)
• FTP Connection
  • New: Implement Config.EncryptAuthenticationOnly (thanks @​FanDjango)
  • Fix: CCC failure: NotImplementedException (thanks @​FanDjango)
  • Fix: NOOP command failure does not indicate disconnection (thanks @​FanDjango)
  • Fix: Make sure a OperationCancelledException is thrown when cancelling a AsyncConnect() (thanks @​bruinsg)
• Testing
  • New: Add fake FTP clients suitable for mocking (FakeAsyncFtpClient and FakeFtpClient)
  • Fix: Update XUnit from 2.4.1 to 2.9.3 (thanks @​FanDjango)
  • Fix: All integration tests fixed for Docker 4.42.0 (thanks @​FanDjango)
  • Fix: Date parser unit tests (thanks @​FanDjango)
  • Remove FileZilla Integration Test as there is no pre-made docker image (thanks @​FanDjango)
• Code cleanup
  • Fix: Use Task.Delay instead of Thread.Sleep (thanks @​jnyrup)
  • Fix: Various syntax cleanups and modernizations (thanks @​jnyrup)
  • Fix: Do not call CancellationToken.Register with async delegate (thanks @​jnyrup)

v52.1.0

• Connection
  • Add SslProtocol and SslCipherSuite properties.
  • Set TLS1.1 as obsolete in .NET 7+ targets
  • Fix: Crashing host process on FTP socket timeout
• Commands
  • Fix: Remove language specific checks and improve detection of File Exists check
• Reconnection
  • Change: Prevent auto connecting the FTP Client when HashAlgorithms is read
  • Add: New option FtpSelfConnectMode to control how FTP reconnections are handled
• Testing
  • Fix incorrect call sequence in FileTransferTests

v52.0.0

• Time Zones
  • New: Time Zone conversion is performed using standard .NET TimeZoneInfo instead of hourly offset values
  • New: ClientTimeZone and ServerTimeZone Properties to configure Time Zone conversion
  • New: SetClientTimeZone and SetServerTimeZone Utility methods to configure Time Zone conversion
• FTP Monitoring
  • New: FTP monitors to detect added/updated/deleted files in remote FTP folders and send events to your application accordingly (FtpMonitor, AsyncFtpMonitor, BlockingAsyncFtpMonitor)
  • New: FTP monitor event with details on changed files (FtpMonitorEventArgs)
  • New: Sample code for BlockingAsyncFtpMonitor
• Testing
  • Fix: Total rewrite of FileZilla FTP server docker for integration testing (thanks @​FanDjango)
  • Fix: Updated tests for new TimeZone API
• Maintainance
  • Change: Allow overriding of download/upload internal methods in FTP client subclasses (DownloadFileInternal and UploadFileInternal)
  • Change: Refactor file transfer and file listing utilities into static module classes
  • Change: Improve performance of dictionary lookups (thanks @​ssg)
  • Fix: LogMaskModule throwing exception when UserName is empty (thanks @​ssg)
  • Fix: Improve AsyncFtpClient dispose logic and cleanup warnings on build (thanks @​FanDjango)

v51.1.0

• Fix: GUI hangs during Dispose of AsyncFtpClient
• Fix: Improve Async & GUI cohabitation
• Change: Rename FtpCapability.MLSD to MLST to better reflect its behaviour

v51.0.0

• Connection
  • New: Accurate FTP connection status tracking with the help of NoopDaemon (integrated into IsConnected API)
  • New: Enum FtpConnectionState to track FTP socket connection state
  • Improve: IsConnected: Handle sync/async close situations and remove unwanted Poll calls
  • Improve: Detailed logging of Close/Dispose failures for improved error reporting in user logs
  • Fix: Regression where multiple sequential connects/disconnects crash the FTP Client
• File Listing
  • Fix: DrFtpd sends invalid FTP response 550 when folder exists but is empty
• File Transfer
  • Improve: Upload/Download speed calculation and improve handling of divide by zero errors
  • Improve: Upload/Download log message format
  • Improve: Improve file transfer performance by using the new AsMemory API for reading/writing data from/to the FTP socket stream in .NET 5+
• Core
  • Remove: Config.SocketPollInterval setting, because it is no longer used or required
  • Improve: Dozens of log messages throughout the internal socket handling subsystem
  • Improve: Documentation for GetReply core function
  • Fix: Pass missing cancellation token in async Execute API
  • Change: Disposing log messages are now Verbose instead of Warning
  • Fix: Uncatchable exceptions after cancellation of read in FtpSocketStream

v50.1.0

• File Upload
  • New: FtpRemoteExists.OverwriteInPlace mode which overwrites files without deleting them first
• Connection
  • New: FtpConfig.PostConnect to enable the init sequence performed immediately after connection
  • Fix: Undetected connect timeout in .NET 5+
  • Fix: Remove BufferedStream feature and further refactoring of Dispose logic
  • Fix: Use correct SSL stream AuthenticateAsClient API rather than outdated API
  • Fix: Mask the FTP server host IP in PASV response when Config.LogHost is set to false
• File Transfer
  • Fix DateTimes.ParseFtpDate will consider provided formats when parsing date/time values
• File Listing
  • Improve: Improved performance for Regex parsing by utilizing Regex caching
  • Improve: Improved performance for Stream Read/Write API for .NET Standard 2.1 and newer

v50.0.1

• Fix: Correct sequencing of FTP stream disposing for .NET Framework
• Fix: Extraneous GetReply call in UploadInternal/DownloadInternal

v50.0.0

• File Verification (thanks DasRaschloch and FanDjango)
  • New: All file transfer methods now support size/checksum/date comparison
  • New: DownloadDirectory, DownloadFile, DownloadFiles, support new size/checksum/date comparison
  • New: UploadDirectory, UploadFile, UploadFiles support new size/checksum/date comparison
  • New: FXP TransferDirectory, TransferFile support new size/checksum/date comparison
  • New: FtpVerify has new options: Size/Date/Checksum/OnlyChecksum
• File Transfer (thanks FanDjango)
  • Fix: DownloadFile with Progress throws FtpException
  • Fix: Correctly handle internal errors in UploadInternal/DownloadInternal
  • Fix: GetFileSize provides invalid file length and transfer fails
• FTP Proxy (thanks zhaohuiyingxue)
  • Fix: GetListing does not use the proxy with passive FTP
• FTP Disconnection (thanks FanDjango)
  • New: Indicate creating/disposing sync/async connections in log
  • Fix: Disconnection during Connect async needs to be awaited
  • Fix: FTP BaseClient is also IAsyncDisposable in addition to IDisposable
  • Fix: Disposing a connected AsyncFtpClient throws non-fatal InvalidCastException
  • Fix: Cloning a AsyncFtpClient throws non-fatal InvalidCastException
  • Change: AsyncFtpClient to change all Close usage to await CloseAsync
  • Change: FtpDataStream now supports an async close method
  • Change: Use DisposeAsync pattern for AsyncFtpClient
  • Change: Call Dispose/DisposeAsync on BufferedStream instead of Flush/FlushAsync
  • Fix: Restore call to FtpSslStream for graceful TLS termination
• IBM OS/400 (thanks FanDjango)
  • Fix: Async server-specific post-connection commands was missing for OS400

v49.0.2

• NOOP Daemon (thanks FanDjango)
  • Fix: Improve NOOP daemon logic
  • Fix: More reliable termination
  • Fix: Handle NOOP API exceptions
  • Fix: Handle NOOP situations in Execute API
  • Fix: No need for NOOP commands before a QUIT command
  • Fix: Improve GetReply logging and handling for stale data and NOOP reactions
  • Fix: If QUIT is stashed and reconnect is pending, defer it.
  • Fix: Recognize special commands & responses in all cases
  • Fix: Delay NOOP connectivity tests until connection fully established
• Connection Status (thanks FanDjango)
  • Fix: IsStillConnected: Clean up Connect/DisconnectInternal interface artifacts
  • Fix: IsStillConnected: Add log messages
• IBM OS/400 (thanks FanDjango)
  • Fix: Enhance detection of IBM OS/400 servers
  • Fix: Set SITE LISTFMT 1 and SITE NAMEFMT 1 on connect
• File Transfer
  • Fix: DownloadFile: FileCount Progress updated even when files are skipped (thanks J0nathan550)
  • Fix: DownloadFile: stopPosition not working in some cases (thanks alexgubanow)
  • Fix: DownloadFile: Progress calculation not correct when using stopPosition (thanks alexgubanow)

v49.0.1

• Fix: Change semaphore logic to prevent deadlock in NOOP Daemon (thanks FanDjango)

v49.0.0

• NOOP Daemon (thanks FanDjango)
  • New: Revised NOOP handling with new config option Noop to enable NOOP daemon
  • New: New config options NoopInactiveCommands and NoopActiveCommands to set FTP commands usable
  • New: New config option NoopTestConnectivity to issue NOOP commands before every FTP command
  • Change: NoopInterval now has a default of 3 minutes
  • Change: Update GetReply for new NOOP handling logic
• Connection Status (thanks FanDjango)
  • New: IsStillConnected() API to reliably check if FTP connection is still active
• Auto Connection (mostly thanks FanDjango)
  • New: Treat timeouts during AutoDetect as failed detection instead of aborting (thanks FabBadDog)
  • Fix: Prevent Auto-Reconnect occurring before connect is complete
  • Fix: AutoDetect is thread unsafe, fix AutoDetectConfig IncludeImplicit logic
• Multi-Threading (thanks FanDjango)
  • Change: Remove all internal locking in the sync FtpClient
• FTP Transfers (thanks FanDjango)
  • Fix: Servers with no server handler used wrong GetListing() command
  • Fix: OpenRead retry attempt fails due to typo
  • Fix: Missing code in async stale data handler
  • Fix: Missing code in Async DisableUTF8 API
• FTP Proxies
  • Fix: Correctly set supported method in SOCKS 5 proxy negotiation (thanks rmja)
• Codebase Maintainance (mostly thanks FanDjango)
  • Fix: Remove NET50_OR_LATER invalid moniker (thanks sean-bloch)
  • Fix: Cleanup and standardize all .NET Target framework markers (TFMs)
  • Fix: Clean up interfaces and implementation for Connect/Disconnect
• Testing (thanks FanDjango)
  • Fix: Powershell folder was not being populated, add to GIT ignore list
  • Fix: Docker build process was failing due to debian py image changes
• Logging (thanks FanDjango)
  • New: Log selected server handler, if any are detected
  • New: Log improvements for OpenAppend, OpenRead and OpenWrite to help in debugging

v48.0.3

• Utilities
  • New: FtpResult.ToStatus() API to easily compare result values of DownloadFile/DownloadFiles and UploadFile/UploadFiles
• File Transfer (thanks FanDjango)
  • Fix: Code cleanup for FTP path and directory handling
  • Fix: CreateDirectory sometimes needed in AutoNavigate mode
  • Fix: Optimize CWD/PWD directory navigation in AutoNavigate mode
  • Fix: Prevent infinite loop on stale data read when FTP socket stalled
  • Fix: Some FTP servers throw 450 error for empty folders

v48.0.1

• Directory Navigation (thanks FanDjango)
  • New: Add auto-navigate support to GetCheckSum
  • Fix: UploadDirectory with FtpNavigate.Conditional does not auto-navigate correctly
  • Fix: Not all linux ftp servers support backslash as path separator character
  • Fix: Cancellation token passing and await syntax for DownloadFile, UploadFile, GetListing

v48.0.0

• Directory Navigation
  • New: Navigate Config setting to automatically handle FTP directory navigation
  • New: Download and Upload API honors Navigate setting
  • New: GetListing API honors Navigate setting
• File Transfer (thanks FanDjango)
  • New: DownloadUriBytes API method to directly connect and download a URI/URL
  • Fix: OpenRead, OpenWrite and OpenAppend quirks to handle their stale data
  • Fix: Complete redesign of FTP socket stale data handling and CheckStaleData implementation
• Auto Connection (thanks FanDjango)
  • New: Overloaded API AutoDetect with object-driven configuration using FtpAutoDetectConfig
  • New: Add options RequireEncryption and IncludeImplicit to AutoDetect to allow for more configurability during auto-connection
  • Fix: Improve AutoDetect behaviour to support various server use-cases
  • Fix: Add RNFM/RNTO FTP commands to critical-sequence list to fix Auto-Reconnect of SSL sessions
  • Fix: AutoDetect empty config is gracefully handled
• Logging
  • New: Function Logging method to support logging objects
  • Fix: Logging strings creation conditional on it being at all in use (thanks jnyrup)
  • Fix: Improve logging of FTP socket stale data (thanks FanDjango)

v47.0.0

• Logging (thanks FanDjango)
  • New: Add exact .NET platform build target during the version logging
• File Transfer
  • New: Config API LocalFileShareOption to allow setting file sharing mode for uploads
  • New: Connection type PASVUSE aka PassiveAllowUnroutable
  • New: Add friendlier names for connection types AutoActive and PassiveExtended
• File Hashing (thanks FanDjango)
  • Fix: Parse non-standard FTP hashes for BrickFTP, Files.com, ExaVault.com
• FTP Connections (thanks FanDjango)
  • Fix: SSL Buffering: Improve connection logic, update comments, refactor code
  • Fix: SSL Buffering: Cannot connect to FTPS IIS server on Windows 2019 from Azure Functions V4
  • Fix: Disconnection: Improve conditional compiles and test for each target in FtpSslStream
  • Fix: Disconnection: Use ShutDownAsync for .NET 4.7 and later
  • Fix: InnerException does not get caught during FTPS security exception
  • Fix: Remove dead code in SSL permanent failure detection
  • Fix: Custom Stream: PolicyErrors not being set correctly
• File Listing (thanks FanDjango)
  • Fix: Improve file name parsing logic for DOS/Windows/IIS servers
  • Fix: Improved null checks for InfoMessages (thanks jnyrup)
• Testing (thanks FanDjango)
  • Fix: GnuTlsStream integration tests due to invalid stream detection

v46.0.2

• Fix: Custom stream logging tweak: Message first then close stream
• Fix: Custom stream: Also log InnerException if it exists within the exception
• Fix: Internal stream null check to avoid exception in Execute API methods

v46.0.1

• Fix: Hotfix to remove new DowloadStream overload that causes compile failure

v46.0.0

• New: Add stopPosition parameter to DownloadBytes and DowloadStream to allow partial downloads

v45.2.0

• New: Add 9 missing properties to the FTP client interfaces
• New: Improve log message wording for EPSV & proxies (thanks FanDjango)
• Fix: Improve GetReply to handle connection loss edge cases and timeout exceptions, possibly incurring cpu-loops (thanks FanDjango)
• Fix: Improve NOOP behavior to correctly handle timeout exceptions (thanks FanDjango)

v45.1.0

• New: DiscoverSslSessionLength API to auto compute a working value for SSL Session length (thanks FanDjango)

v45.0.4

• API: Rename ExecuteGetText to ExecuteDownloadText
• Fix: AsyncFtpClient.CreateDirectory fails on freshly created client instance (thanks FanDjango)

v45.0.2

• New: ExecuteGetText API to execute an FTP command and return multiline output (thanks FanDjango)
• New: Integration with FluentFTP.GnuTLS NuGet package to allow for GnuTLS TLS 1.3 streams

v44.0.1

• File Transfer
  • New: UploadFiles API in AsyncFtpClient which takes an IEnumerable<FileInfo>
  • New: UploadFiles and DownloadFiles now support rules which allow filtering of uploaded/downloaded files
  • New: UploadFiles and DownloadFiles now return a List<FtpResult> with per-file status rather than just a count
  • New: FtpMissingObjectException thrown when trying to download a non-existant object
  • New: Download API DownloadDirectory, DownloadFile, DownloadBytes, DownloadStream will throw FtpMissingObjectException rather than silently failing
  • New: Download API DownloadFiles will mark non-existant files as IsFailed and add the Exception rather than silently failing
  • Tests: New integration tests to check fail conditions of Download API
  • Fix: Correctly detect non-existant files and folders on FileZillla server (thanks FanDjango)
• Connection
  • New: Improve reconnect logic to restore working directory and ASCII/Binary data type on automatic reconnection (thanks FanDjango)
  • New: Improve Execute logic to handle working directory on automatic reconnection (thanks FanDjango)
  • New: Do not attempt Reconnect if we have never been connected before (thanks FanDjango)
  • Change: Reconnect logging messages elevated from Info to Warn (thanks FanDjango)
  • Fix: Use ConnectAsync for net472 platform where required (thanks jnyrup)
• Exceptions
  • Change: Move all exception types into the FluentFTP.Exceptions namespace
  • New: Separate the log message from the exception in the handler (thanks jnyrup)
  • New: Add support for printing exception messages on a newline for socket exceptions (thanks FanDjango)
• Logging
  • New: Setting Config.LogDurations to configure if durations are to be logged
  • New: Add FTP command roundtrip duration to every Response log message (thanks FanDjango)
  • New: Smart rendering of log message durations (hours, minutes, seconds, MS)
  • Fix: Improve exception handling for connection/disconnection and authentication (thanks FanDjango)
  • Fix: Simplify exception handling using when keyword and new conditional keywords (thanks jnyrup)
• Quality
  • Fix: Reduce library warnings by improving code patterns used (thanks FanDjango)
  • Fix: Reduce test warnings by improving code patterns used (thanks FanDjango)

v43.0.0

• Please read the Migration Guide for help migrating to the new version!
• Packaging (thanks jnyrup)
  • Core FluentFTP package has removed the dependency on MELA (Microsoft.Extensions.Logging.Abstractions)
  • New FluentFTP.Logging package released that integrates with MELA
• Logging (thanks jnyrup)
  • FtpClient.Logger is no longer a MELA ILogger
  • FtpClient.Logger is now a custom interface called IFtpLogger

v42.2.0

• Connection (thanks FanDjango)
  • New: Save bandwidth on automatic reconnection by skipping FEAT command
  • Fix: Implementation of connection/disconnection internal logic
  • Fix: Create a default ValidateCertificate handler if none is provided
  • Fix: Auto-reconnect SSL streams after a set number of replies are read
• File Transfer (thanks FanDjango)
  • New: Upload: Ability to upload file streams with unknown size
  • Fix: Upload: Timeout detection for file streams with unknown size
• File Listings (thanks FanDjango)
  • New: SetModifiedTime falls back to MDTM if MFMT command not available
  • New: GetListing: Catch control connection loss and retry once
  • Fix: GetListing silently fails and returns empty array if connection lost
  • Fix: IBM OS/400: Correctly handle special chars on EBCDIC code page fault
• Tests (thanks FanDjango)
  • New: Docker: Add optional path to allow the user to save disk space
  • Fix: Fix many XML compiler warnings in the testing system

v42.1.0

• FTP (thanks FanDjango)
  • New: Detect Apache FTP Server (allows for future server-specific handling)
  • New: Major improvements to automatic FTP reconnection on connection loss
  • New: Special handling to prevent automatic FTP reconnection during critical FTP sequences
  • New: Config.SslSessionLength setting to perform automatic reconnection to bypass SSL issues
  • Fix: Connect closing has been removed from ReadStaleData and moved into Execute
  • Fix: Improved NOOP handling by detecting more formats of NOOP FTP replies
  • Fix: IOException edge case on FTPS connections after a certain number of FTP commands
  • Fix: Handle early 226 Transfer complete edge case in FTP file download
  • Fix: Honor FtpRemoteExists.NoCheck mode in MoveFile to prevent checking for existing files
• Tests (thanks FanDjango)
  • New: Improved Docker build process using common images to speed up build times
  • New: Rewrite all first-party Docker images to use pre-built common images
  • New: Support for Apache FTP Server integration test server

v42.0.2

• FTP (thanks FanDjango)
  • New: DNS Caching to prevent DNS server rejecting name resolution for rapidly repeating requests
  • New: Better log message for stream dispose to indicate which stream was disposed
  • Fix: Typo in FtpException thrown when creating directories
  • Fix: Do not assume the server path when CWD command sent
  • Change: Refactor post-Execute operations and implement parity in sync/async API
• Connection (thanks FanDjango)
  • Fix: AutoConnect fails with Azure FTP servers due to profile handling
  • Change: Improve exception throwing order for InvalidOperationException if unable to connect
  • Change: Complete rewrite of Connect API
  • New: Add check to ensure that the IP version is permitted when connecting to servers
  • Fix: Implement retry logic to check all possibly server addresses before failing with an exception
  • Fix: Implement improved logic to detect timeouts and socket failures
  • Fix: ConnectTimeout is not taking effect for ConnectAsync API
  • Fix: Reset CurrentDataType when re-connected to an FTP server
• File Transfer (thanks FanDjango)
  • Fix: Parity in resume logic for upload and download and throw AggregateException where required
  • New: Implement the missing ResumeUpload for synchronous API
  • New: Add a log message so that the resume operation is actually noticed by users

v42.0.1

• FTP
  • New: TLS authentication failures will always throw AuthenticationException (thanks FanDjango)
  • Fix: Improve handling of stale data on socket after GetListing (thanks FanDjango)
• Tests
  • New: Redesigned Pureftpd integration test server (thanks FanDjango)
• Proxies
  • Fix: Read extra bytes to fix GetListing for SOCKS4 and SOCKS4a proxies (thanks FanDjango)

v42.0.0

• Please read the Migration Guide for help migrating to the new version!
• API
  • New: LastReplies property to fetch a list of the last 5 server replies (thanks FanDjango)
  • Removed: Config.DisconnectWithShutdown as it was not required (thanks FanDjango)
  • Removed: FtpListOption.NoImage as it was not required (thanks FanDjango)
  • Removed: Privatize CurrentDataType and remove ForceSetDataType (thanks FanDjango)
• FTP
  • New: SslStream wrapper to send TLS close notifications for .NET and .NET Core (thanks FanDjango)
  • Change: SSL Closure Alert is now always sent when a stream is terminated (thanks FanDjango)
  • Change: Make SSL Shutdown independant of Config.DisconnectWithShutdown (thanks FanDjango)
  • Change: GetReply redesign: New mode to exhaustively read all NOOP replies (thanks FanDjango)
• Logging
  • New: Verbose file sizes logged during file upload/download (thanks FanDjango)
  • New: FluentFTP version logged after connection (thanks FanDjango)
  • New: GetReply redesign: Verbose logging for NOOP commands (thanks FanDjango)
• Z/OS
  • New: IBM OS/400: Support blanks in filename and add unit test cases (thanks FanDjango)
• Tests
  • New: Support for Bftpd integration test server (thanks FanDjango)
  • New: Support for ProFTPD integration test server (thanks FanDjango)
  • New: Support for glFTPd integration test server (thanks FanDjango)
  • New: Support for FileZilla integration test server (thanks FanDjango)
  • New: Redesigned VsFTPd integration test server (thanks FanDjango)
  • New: Ability to run test server containers as FTP or FTPS servers (thanks FanDjango)
  • Fix: Cleanup and improve all Dockerfiles and significantly reduce image size (thanks FanDjango)

v41.0.0

• Please read the Migration Guide for help migrating to the new version!
• API
  • New: EmptyDirectory API to delete files but leave top-level directory intact (thanks FanDjango)
• FTPS
  • Fix: Disable TLS 1.3 as it causes many complex networking issues during data transfer
  • Fix: Unified system to handle permanent failures during AutoConnect
  • Fix: Throw FtpProtocolUnsupportedException if the FTP server is forcing TLS 1.3 connections
  • Fix: Disable SSL Buffering on control connection to improve NOOP handling (thanks FanDjango)
  • Fix: Send an additional NOOP command after uploading files to resolve issues (thanks FanDjango)
• FTP
  • Fix: Log messages pertaining to stale data are improved (thanks FanDjango)
  • New: Log the TLS protocol used after making a successful FTPS connection (thanks FanDjango)
  • Fix: Correctly forward CancellationToken within DownloadFile, UploadFile, TransferDirectory, DeleteFile, OpenRead, OpenAppend (thanks jnyrup)
  • Fix: Optimize SIZE command usage for UploadFile in NoCheck and OverWrite modes (thanks FanDjango)
  • Fix: Allow reusing the ActivePorts in FTP Active connection mode (thanks FanDjango)
• Z/OS
  • New: Add LIST functionality for z/OS JES subsystem (thanks FanDjango)
  • New: Switch to using LISTLEVEL 2 in GetListing for more accurate filesizes (thanks FanDjango)
  • New: Improve unit test cases for the z/OS file listing parser tests (thanks FanDjango)
• Proxies
  • New: Support multiple modes of authentication for SOCKS proxies: GSSAPI, UsernamePassword (thanks jnyrup)
  • New: Throw MissingMethodException if cannot negotiate an authentication method for SOCKS proxies (thanks jnyrup)

v40.0.0

• Please read the Migration Guide for help migrating to the new version!
• Special thanks to Robin Rodricks, Michael Stiemke and Jonas Nyrup for this release!
• Constructor API
  • New: 4 new FTP client constructors that accept FTP host, credentials, config and logger
  • Remove extraneous constructors because properties can be used instead
• Asynchronous API
  • New: Split main FTP client classes into FtpClient and AsyncFtpClient
  • New: Split main FTP client interfaces into IFtpClient and IAsyncFtpClient
  • New: Split common FTP functionality into BaseFtpClient
  • New: Drop Async suffix for all async FTP methods in AsyncFtpClient
• Config API
  • New: Remove all config settings from FtpClient and move it into client.Config object
  • New: Dedicated class to hold config settings FtpConfig to cleanup client API
• Logging API
  • New: Remove client.OnLogEvent and FtpTrace system
  • New: Add logger system client.Logger using industry-standard ILogger interface
  • New: Add Nuget dependency Microsoft.Extensions.Logging.Abstractions v2.1.0
  • Renamed: Legacy logging callback OnLogEvent is now renamed to LegacyLogger
  • Renamed: Logging settings: LogIP renamed to LogHost
  • Remove logging setting LogFunctions as it is always enabled
• FTP Proxies
  • New: Split FTP proxy classes into FtpClient*Proxy and AsyncFtpClient*Proxy
  • New: FTP proxy classes moved into FluentFTP.Proxy.SyncProxy and FluentFTP.Proxy.AsyncProxy NS
  • New: FTP proxy classes with fully async implementations
  • Fix: Properly override HandshakeAsync in async FTP proxies (thanks jnyrup)
• Organization
  • Completely redesign the FTP client code organization and structure
  • Update all tests and examples to use the new API and AsyncFtpClient
  • Hide all internally-used functions behind the interface IInternalFtpClient
  • Code style standardization and use new C# language constructs (thanks jnyrup)
  • Add styling rules to .editorconfig to prevent using IDE defaults (thanks jnyrup)
• Modernization
  • Drop support for .NET Standard 1.2, 1.4 and .NET 2.0, 3.5, 4.0 and 4.5
  • Add support for .NET 4.6.2 and 4.7.2
  • Remove conditional compilation statements for unsupported platforms
  • Remove uncommon static methods FtpClient.Connect and FtpClient.GetPublicIP
  • Remove uncommon method DereferenceLink and DereferenceLinkAsync
  • Remove uncommon properties QuickTransferLimit, MaximumDereferenceCount, EnableThreadSafeDataConnections, PlainTextEncryption
  • Remove uncommon feature FtpListOption.DerefLinks
  • Remove obsolete hashing commands GetHashAlgorithm, SetHashAlgorithm, GetHash, etc
  • Remove obsolete async pattern using IAsyncResult
  • Fix: Forward cancellation token in UploadDirectory and Proxy HandshakeAsync (thanks jnyrup)
  • Fix: Parity in sync/async implementations of Authenticate (thanks FanDjango)
  • Fix: Improve masking out support for removing sensitive usernames from FTP logs
  • Fix: Change all public fields to properties in classes: FtpListParser, FtpClientState, FtpFxpSession, FtpFxpSessionAsync, FtpListItem, FtpProfile, FtpResult
  • Fix: Change all public fields to properties in rules: FtpFileExtensionRule, FtpFileNameRegexRule, FtpFileNameRule, FtpFolderNameRegexRule, FtpFolderNameRule, FtpSizeRule
• Server support
  • Move all IBM zOS logic into the IBMzOSFtpServer server handler (thanks FanDjango)
  • Move all OpenVMS logic into the OpenVmsServer server handler (thanks FanDjango)
  • Fix: z/OS: Handle z/OS GetListing single line outputs (thanks FanDjango)

v39.4.0

• New: Add SslProtocolActive property to retrieve the negotiated SSL/TLS protocol version
• Fix: z/OS: Improve server handling for absolute path calculation (thanks FanDjango)
• Fix: z/OS: Remove direct z/OS dependancy in GetListing (thanks FanDjango)
• Fix: z/OS: Add some special cases to handle conversion of remote FTP paths (thanks FanDjango)
• Fix: z/OS: Add missing parser tests for z/OS FTP server (thanks FanDjango)
• Fix: z/OS: Fix file size calculation for non-unix z/OS files (thanks FanDjango)
• Internal: Add integration tests for GetListingAsyncEnumerable (thanks tommysor)
• Internal: Remove 3 test dockers that do not work (thanks tommysor)

v39.3.0

• New: Detect D-Link, TP-LINK, Huawei, MicroTik FTP servers (allows for future server-specific handling)
• Fix: AutoConnect now correctly handles internal AggregateException (.NET 5.0+)
• Fix: AutoConnect now correctly connects to servers requiring TLS 1.2
• Internal: Support automated tests for VsFtpD servers (thanks tommysor)
• Internal: Add tests for custom FTP server auto connection

v39.2.1

• New: Add 5 missing methods into the IFtpClient interface
• Fix: z/OS: Inconsistent implementations of GetListing absolute path conversion

v39.2.0

• New: GetListingAsyncEnumerable method to get file listing using IAsyncEnumerable pattern
• New: During AutoConnect, throw FtpProtocolUnsupportedException if newer .NET required
• Fix: Support connecting to TLS 1.3 servers using AutoConnect (.NET 5.0+)
• Fix: Support automated tests for PureFTP and ProFTP servers (thanks tommysor)

v39.1.0

• New: Clone method allows for cloning an FtpClient connection with all settings copied
• New: InternetProtocol property which returns the current protocol used (IPV4/IPV6)
• New: Status property which returns the current FtpClientState flags (advanced use only)
• Fix: AutoConnect/AutoConnectAsync now correctly configure Azure FTP servers
• Internal: Add integration test system using docker to test FluentFTP against many supported FTP servers
• Internal: Refactor server specific, server strings, cloning and auto connection logic into modules

v39.0.1

• Fix: ConnectAsync correctly honors ConnectTimeout and TimeoutException is correctly thrown
• Internal: Add unit tests for Connect/ConnectAsync to ensure ConnectTimeout is honored
• Internal: Refactor internal file listing handlers & proxy implementation (API is unchanged)

v39.0.0

• New: Username/password authentication for SOCKS5 proxy connections
• New: Correctly fill in ConnectionType for all proxy types
• New: Improved pattern to connect to proxy servers, all details can be specified in FtpProxyProfile
• New: Examples for all types of proxies (ConnectProxyHttp11, ConnectProxySocks4, ConnectProxySocks4a, ConnectProxySocks5)
• Change: Rename class SocksProxyException to FtpProxyException
• Change: Rename class ProxyInfo to FtpProxyProfile and rename members

v38.0.0

• Change: Rename enum FtpFileSystemObjectType to FtpObjectType
• Change: Rename enum FtpFileSystemObjectSubType to FtpObjectSubType
• Change: Rename API Upload to UploadBytes and UploadStream instead of overloading
• Change: Rename API Download to DownloadBytes and DownloadStream instead of overloading
• Change: Logging will always mask host IP, username and password by default (configurable)
• New: Throw AggregateException when an error occuring during resuming a file upload (.NET 4.5+)
• New: Code generation for parsed file item in order to build accurate unit tests
• New: Unit tests for Windows, Unix, OpenVMS, NonStop, IBM, Machine listing parsers
• New: Unit tests for Timezone conversion to UTC and to local time
• Fix: Improvement to directory parsing for Windows, Unix, OpenVMS, NonStop, Machine listings
• Fix: Support parsing of links and Unix-symlinks in Machine listings
• Fix: Enable 2 FTP server specific handlers

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.