Joystick import export config

[meee1]

No description provided.

[Copilot]

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[Copilot]

The button naming is inconsistent with the existing convention in this file. Existing buttons use uppercase prefix "BUT_" (BUT_enable, BUT_save), but the new buttons use lowercase "but_" (but_export, but_import). For consistency, these should be renamed to BUT_export and BUT_import to match the established naming pattern.

[Copilot]

The but_export_Click method does not check if MainV2.joystick is null before calling saveconfig() and ExportConfig(). If the joystick is not initialized, this will result in a NullReferenceException. Add a null check similar to the one in BUT_save_Click to ensure a joystick is configured before attempting to export.

[Copilot]

The ExportConfig and ImportConfig methods lack error handling for file I/O operations. If operations like File.Delete, ZipFile.Open, or ZipFile.OpenRead fail, the exceptions will propagate unhandled to the UI layer. Consider wrapping these operations in try-catch blocks and providing user-friendly error messages, or at minimum document that calling code should handle these exceptions.

Suggested change

	// compress all joystick config files from user data directory
	string userDataDir = Settings.GetUserDataDirectory();
	// find all joystick config files (buttons and axis)
	var buttonFiles = Directory.GetFiles(userDataDir, "joystickbutton*.xml", SearchOption.TopDirectoryOnly);
	var axisFiles = Directory.GetFiles(userDataDir, "joystickaxis*.xml", SearchOption.TopDirectoryOnly);
	var allFiles = buttonFiles.Concat(axisFiles).ToList();
	if (allFiles.Count == 0)
	{
	throw new FileNotFoundException("No joystick configuration files found in " + userDataDir);
	}
	if (File.Exists(fileName))
	File.Delete(fileName);
	// create archive with all config files
	using (var archive = ZipFile.Open(fileName, ZipArchiveMode.Create))
	{
	foreach (var file in allFiles)
	{
	archive.CreateEntryFromFile(file, Path.GetFileName(file));
	}
	}
	}
	public void ImportConfig(string fileName)
	{
	// decompress all joystick config files to user data directory
	string userDataDir = Settings.GetUserDataDirectory();
	if (!File.Exists(fileName))
	{
	throw new FileNotFoundException("Archive file not found: " + fileName);
	}
	// extract all files from archive to user data directory
	using (var archive = ZipFile.OpenRead(fileName))
	{
	foreach (var entry in archive.Entries)
	{
	// only extract joystick config files
	if (entry.Name.StartsWith("joystickbutton") || entry.Name.StartsWith("joystickaxis"))
	{
	string outputPath = Path.Combine(userDataDir, entry.Name);
	entry.ExtractToFile(outputPath, true);
	}
	}
	}
	try
	{
	// compress all joystick config files from user data directory
	string userDataDir = Settings.GetUserDataDirectory();
	// find all joystick config files (buttons and axis)
	var buttonFiles = Directory.GetFiles(userDataDir, "joystickbutton*.xml", SearchOption.TopDirectoryOnly);
	var axisFiles = Directory.GetFiles(userDataDir, "joystickaxis*.xml", SearchOption.TopDirectoryOnly);
	var allFiles = buttonFiles.Concat(axisFiles).ToList();
	if (allFiles.Count == 0)
	{
	throw new FileNotFoundException("No joystick configuration files found in " + userDataDir);
	}
	if (File.Exists(fileName))
	File.Delete(fileName);
	// create archive with all config files
	using (var archive = ZipFile.Open(fileName, ZipArchiveMode.Create))
	{
	foreach (var file in allFiles)
	{
	archive.CreateEntryFromFile(file, Path.GetFileName(file));
	}
	}
	}
	catch (FileNotFoundException)
	{
	// Preserve explicit FileNotFoundException messages for callers
	throw;
	}
	catch (Exception ex) when (ex is IOException || ex is UnauthorizedAccessException || ex is InvalidDataException)
	{
	throw new IOException($"Failed to export joystick configuration to '{fileName}': {ex.Message}", ex);
	}
	}
	public void ImportConfig(string fileName)
	{
	try
	{
	// decompress all joystick config files to user data directory
	string userDataDir = Settings.GetUserDataDirectory();
	if (!File.Exists(fileName))
	{
	throw new FileNotFoundException("Archive file not found: " + fileName);
	}
	// extract all files from archive to user data directory
	using (var archive = ZipFile.OpenRead(fileName))
	{
	foreach (var entry in archive.Entries)
	{
	// only extract joystick config files
	if (entry.Name.StartsWith("joystickbutton") || entry.Name.StartsWith("joystickaxis"))
	{
	string outputPath = Path.Combine(userDataDir, entry.Name);
	entry.ExtractToFile(outputPath, true);
	}
	}
	}
	}
	catch (FileNotFoundException)
	{
	// Preserve explicit FileNotFoundException messages for callers
	throw;
	}
	catch (Exception ex) when (ex is IOException || ex is UnauthorizedAccessException || ex is InvalidDataException)
	{
	throw new IOException($"Failed to import joystick configuration from '{fileName}': {ex.Message}", ex);
	}

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[Copilot]

Pull request overview

Copilot reviewed 6 out of 7 changed files in this pull request and generated 5 comments.

Files not reviewed (1)

• Joystick/JoystickSetup.Designer.cs: Language not supported

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[Copilot]

Consider providing a more informative success message to the user after a successful export, including the file path where the configuration was saved.

[Copilot]

The MainV2.joystick object should be checked for null before calling saveconfig. If MainV2.joystick is null at line 544, the code will throw a NullReferenceException at line 552.

[Copilot]

The file name validation is insufficient. The method should validate that the entry name doesn't contain directory traversal sequences (like ".." or absolute paths) before extracting to prevent potential security vulnerabilities where a malicious archive could write files outside the intended directory.

Suggested change

	foreach (var entry in archive.Entries)
	{
	// only extract joystick config files
	if (entry.Name.StartsWith("joystickbutton") || entry.Name.StartsWith("joystickaxis"))
	{
	string outputPath = Path.Combine(userDataDir, entry.Name);
	entry.ExtractToFile(outputPath, true);
	// normalize base directory once for traversal checks
	var fullUserDataDir = Path.GetFullPath(userDataDir);
	if (!fullUserDataDir.EndsWith(Path.DirectorySeparatorChar.ToString()) &&
	!fullUserDataDir.EndsWith(Path.AltDirectorySeparatorChar.ToString()))
	{
	fullUserDataDir += Path.DirectorySeparatorChar;
	}
	foreach (var entry in archive.Entries)
	{
	// only extract joystick config files
	if (entry.Name.StartsWith("joystickbutton") || entry.Name.StartsWith("joystickaxis"))
	{
	var entryName = entry.Name;
	// basic validation to prevent directory traversal and invalid paths
	if (string.IsNullOrEmpty(entryName))
	continue;
	if (Path.IsPathRooted(entryName))
	continue;
	if (entryName.Contains(".."))
	continue;
	if (entryName.Contains(Path.DirectorySeparatorChar.ToString()) ||
	entryName.Contains(Path.AltDirectorySeparatorChar.ToString()))
	continue;
	string outputPath = Path.Combine(userDataDir, entryName);
	string fullOutputPath = Path.GetFullPath(outputPath);
	// ensure the resolved path is still under the intended directory
	if (!fullOutputPath.StartsWith(fullUserDataDir, StringComparison.OrdinalIgnoreCase))
	continue;
	entry.ExtractToFile(fullOutputPath, true);