Files
duplicati/proprietary/Office365/SourceItems/DriveFileSourceEntry.cs
T

66 lines
2.8 KiB
C#

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