Initial implementation of Google Workspace backup.

This is a WIP and still needs the restore part implemented. Not all resources are fully tested but basic elements work.
2026-02-04 15:44:23 +01:00
parent 1b1719e924
commit da246874ec
69 changed files with 3803 additions and 3 deletions
@@ -0,0 +1,32 @@
+// Copyright (c) 2026 Duplicati Inc. All rights reserved.
+
+using Duplicati.Library.Common.IO;
+using System.Text.Json;
+using File = Google.Apis.Drive.v3.Data.File;
+
+namespace Duplicati.Proprietary.GoogleWorkspace.SourceItems;
+
+internal class DriveFileMetadataSourceEntry(string parentPath, File file)
+    : StreamResourceEntryBase(SystemIO.IO_OS.PathCombine(parentPath, "metadata.json"), file.CreatedTimeDateTimeOffset.HasValue ? file.CreatedTimeDateTimeOffset.Value.UtcDateTime : DateTime.UnixEpoch, file.ModifiedTimeDateTimeOffset.HasValue ? file.ModifiedTimeDateTimeOffset.Value.UtcDateTime : DateTime.UnixEpoch)
+{
+    public override long Size => -1;
+
+    public override Task<Stream> OpenRead(CancellationToken cancellationToken)
+    {
+        var json = JsonSerializer.Serialize(file, new JsonSerializerOptions { WriteIndented = true });
+        return Task.FromResult<Stream>(new MemoryStream(System.Text.Encoding.UTF8.GetBytes(json)));
+    }
+
+    public override Task<Dictionary<string, string?>> GetMinorMetadata(CancellationToken cancellationToken)
+    {
+        return Task.FromResult(new Dictionary<string, string?>
+        {
+            { "gsuite:v", "1" },
+            { "gsuite:Type", SourceItemType.DriveFileMetadata.ToString() },
+            { "gsuite:Name", "metadata.json" },
+            { "gsuite:id", file.Id }
+        }
+        .Where(kv => !string.IsNullOrEmpty(kv.Value))
+        .ToDictionary(kv => kv.Key, kv => kv.Value));
+    }
+}