66 lines
2.8 KiB
C#
66 lines
2.8 KiB
C#
// Copyright (c) 2026 Duplicati Inc. All rights reserved.
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using System.Text.Json;
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using Duplicati.Library.Common.IO;
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using Duplicati.Library.Logging;
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namespace Duplicati.Proprietary.Office365.SourceItems;
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internal class DriveFileSourceEntry(SourceProvider provider, string path, GraphDrive drive, GraphDriveItem item)
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: StreamResourceEntryBase(SystemIO.IO_OS.PathCombine(path, item.Id))
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{
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public override DateTime CreatedUtc => item.CreatedDateTime.FromGraphDateTime();
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public override DateTime LastModificationUtc => item.LastModifiedDateTime.FromGraphDateTime();
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public override long Size => item.Size ?? -1;
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public override Task<Stream> OpenRead(CancellationToken cancellationToken)
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=> provider.OneDriveApi.GetDriveItemContentStreamAsync(drive.Id, item.Id, cancellationToken);
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public override async Task<Dictionary<string, string?>> GetMinorMetadata(CancellationToken cancellationToken)
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{
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var metadata = new Dictionary<string, string?>()
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{
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{ "o365:v", "1" },
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{ "o365:Id", item.Id },
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{ "o365:Type", SourceItemType.DriveFile.ToString() },
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{ "o365:Name", item.Name },
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{ "o365:ETag", item.ETag },
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{ "o365:CTag", item.CTag },
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{ "o365:MimeType", item.File?.MimeType },
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{ "o365:CreatedDateTime", item.CreatedDateTime?.ToGraphTimeString() },
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{ "o365:LastModifiedDateTime", item.LastModifiedDateTime?.ToGraphTimeString() },
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{ "o365:ParentReference", JsonSerializer.Serialize(item.ParentReference) },
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{ "o365:FileSystemInfo", JsonSerializer.Serialize(item.FileSystemInfo) },
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{ "o365:DownloadUrl", item.DownloadUrl },
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{ "o365:Hashes", JsonSerializer.Serialize(item.File?.Hashes) }
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}
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.Where(kv => !string.IsNullOrEmpty(kv.Value))
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.ToDictionary(kv => kv.Key, kv => kv.Value);
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try
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{
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var permissions = new List<GraphPermission>();
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await foreach (var perm in provider.OneDriveApi.GetDriveItemPermissionsAsync(drive.Id, item.Id, cancellationToken))
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{
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permissions.Add(perm);
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}
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if (permissions.Count > 0)
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{
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metadata["o365:Permissions"] = JsonSerializer.Serialize(permissions);
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}
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}
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catch (Exception ex)
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{
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// Log warning but don't fail the backup if permissions cannot be read
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Duplicati.Library.Logging.Log.WriteWarningMessage(Log.LogTagFromType<DriveFileSourceEntry>(), "PermissionReadError", ex, $"Failed to read permissions for file {item.Id}");
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}
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return metadata
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.Where(kv => !string.IsNullOrEmpty(kv.Value))
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.ToDictionary(kv => kv.Key, kv => kv.Value);
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}
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}
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