87 lines
3.4 KiB
C#
87 lines
3.4 KiB
C#
// Copyright (c) 2026 Duplicati Inc. All rights reserved.
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Runtime.CompilerServices;
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using System.Threading;
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using System.Threading.Tasks;
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using Duplicati.Library.Interface;
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using Duplicati.Proprietary.DiskImage.Partition;
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using Duplicati.Proprietary.DiskImage.Filesystem;
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using Duplicati.Library.Utility;
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using Duplicati.Proprietary.DiskImage.General;
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using Duplicati.Proprietary.DiskImage.Filesystem.Fat32;
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using Duplicati.Proprietary.DiskImage.Filesystem.Ntfs;
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namespace Duplicati.Proprietary.DiskImage.SourceItems;
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/// <summary>
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/// Represents a partition as a source entry for backup operations.
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/// Acts as a container for the filesystem within the partition.
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/// </summary>
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internal class PartitionSourceEntry(string parentPath, IPartition partition, bool treatFilesystemAsUnknown = false)
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: DiskImageEntryBase(System.IO.Path.Combine(parentPath, $"part_{partition.PartitionTable.TableType}_{partition.PartitionNumber}{System.IO.Path.DirectorySeparatorChar}"))
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{
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/// <inheritdoc />
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public override bool IsFolder => true;
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/// <inheritdoc />
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public override long Size => partition.Size;
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/// <summary>
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/// Gets the underlying partition instance.
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/// </summary>
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public IPartition Partition => partition;
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/// <summary>
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/// Gets a value indicating whether to treat the filesystem as unknown.
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/// </summary>
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private bool TreatFilesystemAsUnknown => treatFilesystemAsUnknown;
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/// <inheritdoc />
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public override async IAsyncEnumerable<ISourceProviderEntry> Enumerate([EnumeratorCancellation] CancellationToken cancellationToken)
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{
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IFilesystem fs = TreatFilesystemAsUnknown || partition.FilesystemType == FileSystemType.Unknown
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? new UnknownFilesystem(partition)
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: partition.FilesystemType switch
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{
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FileSystemType.FAT32 => new Fat32Filesystem(partition),
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FileSystemType.NTFS => new NtfsFilesystem(partition),
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_ => new UnknownFilesystem(partition)
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};
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yield return new FilesystemSourceEntry(this.Path, fs);
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}
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/// <inheritdoc />
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public override async Task<Dictionary<string, string?>> GetMinorMetadata(CancellationToken cancellationToken)
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{
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var metadata = await base.GetMinorMetadata(cancellationToken);
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// Add partition-level metadata
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metadata["diskimage:Type"] = "partition";
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metadata["partition:Number"] = partition.PartitionNumber.ToString();
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metadata["partition:Type"] = partition.Type.ToString();
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metadata["partition:StartOffset"] = partition.StartOffset.ToString();
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metadata["partition:Size"] = partition.Size.ToString();
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metadata["partition:FilesystemType"] = partition.FilesystemType.ToString();
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metadata["partition:TableType"] = partition.PartitionTable.TableType.ToString();
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if (!string.IsNullOrEmpty(partition.Name))
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{
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metadata["partition:Name"] = partition.Name;
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metadata["diskimage:Name"] = $"{partition.Name} ({partition.Type}, {Utility.FormatSizeString(partition.Size)})";
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}
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else
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{
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metadata["diskimage:Name"] = $"{partition.Type} ({Utility.FormatSizeString(partition.Size)})";
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}
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if (partition.VolumeGuid.HasValue)
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metadata["partition:VolumeGuid"] = partition.VolumeGuid.Value.ToString();
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return metadata;
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}
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}
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