public static void SecureDeleteDirectory(String path, DeleteModes deleteMode)
{
if (deleteMode == DeleteModes.Simulate)
{
return;
}
if (deleteMode == DeleteModes.Direct)
{
Directory.Delete(path, recursive: false, ignoreReadOnly: true); //throws IOException if not empty anymore
return;
}
// Last security check before deletion
if (Directory.GetFiles(path).Length == 0 && Directory.GetDirectories(path).Length == 0)
{
if (deleteMode == DeleteModes.RecycleBin)
{
// Check CLR permissions -> could raise a exception
new FileIOPermission(FileIOPermissionAccess.Write, path + Path.DirectorySeparatorChar).Demand();
//if (!CheckWriteAccess(Directory.GetAccessControl(path)))
if (IsDirLocked(path))
{
throw new REDPermissionDeniedException("Could not delete directory \"" + path +
"\" because the access is protected by the (file) system (permission denied).");
}
FileSystem.DeleteDirectory(path, UIOption.OnlyErrorDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
else if (deleteMode == DeleteModes.RecycleBinShowErrors)
{
FileSystem.DeleteDirectory(path, UIOption.OnlyErrorDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
else if (deleteMode == DeleteModes.RecycleBinWithQuestion)
{
FileSystem.DeleteDirectory(path, UIOption.AllDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
else
{
throw new Exception("Internal error: Unknown delete mode: \"" + deleteMode + "\"");
}
}
else
{
throw new Exception("Aborted deletion of the directory \"" + path +
"\" because it is no longer empty. This can happen if RED previously failed to delete a empty (trash) file.");
}
}
public static void ManuallyDeleteDirectory(string path, DeleteModes deleteMode)
{
if (deleteMode == DeleteModes.Simulate)
{
return;
}
if (path == "")
{
throw new Exception("Could not delete directory because the path was empty.");
}
//TODO: Add FileIOPermission code?
FileSystem.DeleteDirectory(path, UIOption.AllDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
public static void SecureDeleteFile(FileInfo file, DeleteModes deleteMode)
{
if (deleteMode == DeleteModes.Simulate)
{
return;
}
if (deleteMode == DeleteModes.RecycleBin)
{
// Check CLR permissions -> could raise a exception
new FileIOPermission(FileIOPermissionAccess.Write, file.FullName).Demand();
if (IsFileLocked(file))
{
throw new REDPermissionDeniedException("Could not delete file \"" + file.FullName +
"\" because the access is protected by the (file) system (permission denied).");
}
FileSystem.DeleteFile(file.FullName, UIOption.OnlyErrorDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
else if (deleteMode == DeleteModes.RecycleBinShowErrors)
{
FileSystem.DeleteFile(file.FullName, UIOption.OnlyErrorDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
else if (deleteMode == DeleteModes.RecycleBinWithQuestion)
{
FileSystem.DeleteFile(file.FullName, UIOption.AllDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
else if (deleteMode == DeleteModes.Direct)
{
// Was used for testing the error handling:
// if (SystemFunctions.random.NextDouble() > 0.5) throw new Exception("Test error");
file.Delete(ignoreReadOnly: true);
}
else
{
throw new Exception("Internal error: Unknown delete mode: \"" + deleteMode + "\"");
}
}
public DeleteModeItem(DeleteModes Mode)
{
this.DeleteMode = Mode;
}
public DeleteModeItem(DeleteModes Mode) => this.DeleteMode = Mode;
public static void ManuallyDeleteDirectory(string path, DeleteModes deleteMode)
{
if (deleteMode == DeleteModes.Simulate) return;
if (path == "") throw new Exception("Could not delete directory because the path was empty.");
//TODO: Add FileIOPermission code?
FileSystem.DeleteDirectory(path, UIOption.AllDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
public static void SecureDeleteFile(FileInfo file, DeleteModes deleteMode)
{
if (deleteMode == DeleteModes.Simulate) return;
if (deleteMode == DeleteModes.RecycleBin)
{
// Check CLR permissions -> could raise a exception
new FileIOPermission(FileIOPermissionAccess.Write, file.FullName).Demand();
if (IsFileLocked(file))
throw new REDPermissionDeniedException("Could not delete file \"" + file.FullName + "\" because the access is protected by the (file) system (permission denied).");
FileSystem.DeleteFile(file.FullName, UIOption.OnlyErrorDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
else if (deleteMode == DeleteModes.RecycleBinShowErrors)
{
FileSystem.DeleteFile(file.FullName, UIOption.OnlyErrorDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
else if (deleteMode == DeleteModes.RecycleBinWithQuestion) FileSystem.DeleteFile(file.FullName, UIOption.AllDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
else if (deleteMode == DeleteModes.Direct)
{
// Was used for testing the error handling:
// if (SystemFunctions.random.NextDouble() > 0.5) throw new Exception("Test error");
file.Delete();
}
else throw new Exception("Internal error: Unknown delete mode: \"" + deleteMode.ToString() + "\"");
}
public static void SecureDeleteDirectory(string path, DeleteModes deleteMode)
{
if (deleteMode == DeleteModes.Simulate) return;
// Last security check before deletion
if (Directory.GetFiles(path).Length == 0 && Directory.GetDirectories(path).Length == 0)
{
if (deleteMode == DeleteModes.RecycleBin)
{
// Check CLR permissions -> could raise a exception
new FileIOPermission(FileIOPermissionAccess.Write, path + Path.DirectorySeparatorChar.ToString()).Demand();
//if (!CheckWriteAccess(Directory.GetAccessControl(path)))
if (IsDirLocked(path))
throw new REDPermissionDeniedException("Could not delete directory \"" + path + "\" because the access is protected by the (file) system (permission denied).");
FileSystem.DeleteDirectory(path, UIOption.OnlyErrorDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
else if (deleteMode == DeleteModes.RecycleBinShowErrors)
{
FileSystem.DeleteDirectory(path, UIOption.OnlyErrorDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
}
else if (deleteMode == DeleteModes.RecycleBinWithQuestion) FileSystem.DeleteDirectory(path, UIOption.AllDialogs, RecycleOption.SendToRecycleBin, UICancelOption.ThrowException);
else if (deleteMode == DeleteModes.Direct) Directory.Delete(path);
else throw new Exception("Internal error: Unknown delete mode: \"" + deleteMode.ToString() + "\"");
}
else
throw new Exception("Aborted deletion of the directory \"" + path + "\" because it is no longer empty. This can happen if RED previously failed to delete a empty (trash) file.");
}
