60 lines
2.0 KiB
C#
60 lines
2.0 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.Filesystem;
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namespace Duplicati.Proprietary.DiskImage.SourceItems;
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internal class FileSourceEntry(string parentPath, IFilesystem filesystem, IFile file)
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: DiskImageEntryBase(PathCombine(parentPath, file.Path ?? file.Address?.ToString("X016") ?? "unknown"))
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{
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public override bool IsFolder => file.IsDirectory;
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public override long Size => file.Size;
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public override Task<Stream> OpenRead(CancellationToken cancellationToken)
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{
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return filesystem.OpenReadStreamAsync(file, cancellationToken);
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}
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public override async IAsyncEnumerable<ISourceProviderEntry> Enumerate([EnumeratorCancellation] CancellationToken cancellationToken)
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{
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if (IsFolder)
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{
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await foreach (var child in filesystem.ListFilesAsync(file, cancellationToken))
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{
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yield return new FileSourceEntry(this.Path, filesystem, child);
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}
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}
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}
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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 file/block-level metadata
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metadata["diskimage:Type"] = "block";
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metadata["file:Path"] = file.Path;
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metadata["file:Size"] = file.Size.ToString();
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metadata["file:IsDirectory"] = file.IsDirectory.ToString();
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metadata["filesystem:Type"] = filesystem.Type.ToString();
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if (file.Address.HasValue)
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metadata["block:Address"] = file.Address.Value.ToString();
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return metadata;
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}
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private static string PathCombine(string p1, string p2)
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{
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if (string.IsNullOrEmpty(p1)) return p2;
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if (string.IsNullOrEmpty(p2)) return p1;
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return p1.TrimEnd('/') + "/" + p2.TrimStart('/');
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}
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}
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