115 lines
4.7 KiB
C#
115 lines
4.7 KiB
C#
// Copyright (c) 2026 Duplicati Inc. All rights reserved.
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using System.Globalization;
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using System.Runtime.CompilerServices;
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using System.Text.Json;
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using Duplicati.Library.Common.IO;
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using Duplicati.Library.Interface;
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using Duplicati.Library.Utility;
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namespace Duplicati.Proprietary.Office365.SourceItems;
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[Flags]
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internal enum Office365GroupType
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{
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Mailbox = 1,
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Calendar = 2,
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Files = 4,
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Planner = 8,
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Teams = 16,
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Notes = 32
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}
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internal class GroupSourceEntry(SourceProvider provider, string path, GraphGroup group)
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: MetaEntryBase(Util.AppendDirSeparator(SystemIO.IO_OS.PathCombine(path, group.Id)), group.CreatedDateTime.FromGraphDateTime(), null)
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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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await foreach (var entry in MetadataEntries(cancellationToken))
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{
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if (cancellationToken.IsCancellationRequested)
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yield break;
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yield return entry;
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}
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foreach (var type in provider.IncludedGroupTypes)
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{
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if (cancellationToken.IsCancellationRequested)
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yield break;
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yield return new GroupTypeSourceEntry(provider, Path, group, type);
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}
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}
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private async IAsyncEnumerable<ISourceProviderEntry> MetadataEntries([EnumeratorCancellation] CancellationToken cancellationToken)
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{
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var res = new StreamResourceEntryFunction[] {
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new StreamResourceEntryFunction(SystemIO.IO_OS.PathCombine(this.Path, "metadata.json"),
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createdUtc: DateTime.UnixEpoch,
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lastModificationUtc: DateTime.UnixEpoch,
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size: -1,
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streamFactory: (ct) => provider.GroupApi.GetGroupMetadataStreamAsync(group.Id, ct),
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minorMetadataFactory: (ct) => Task.FromResult(new Dictionary<string, string?> {
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{ "o365:Type", SourceItemType.GroupSettings.ToString() },
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{ "o365:Id", group.Id }
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})),
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new StreamResourceEntryFunction(SystemIO.IO_OS.PathCombine(this.Path, "members.json"),
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createdUtc: DateTime.UnixEpoch,
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lastModificationUtc: DateTime.UnixEpoch,
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size: -1,
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streamFactory: (ct) => DirectoryEntriesAsStream(provider.GroupApi.ListGroupMembersAsync(group.Id, ct), ct),
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minorMetadataFactory: (ct) => Task.FromResult(new Dictionary<string, string?> {
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{ "o365:Type", SourceItemType.GroupMember.ToString() },
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{ "o365:Id", group.Id }
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})),
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new StreamResourceEntryFunction(SystemIO.IO_OS.PathCombine(this.Path, "owners.json"),
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createdUtc: DateTime.UnixEpoch,
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lastModificationUtc: DateTime.UnixEpoch,
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size: -1,
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streamFactory: (ct) => DirectoryEntriesAsStream(provider.GroupApi.ListGroupOwnersAsync(group.Id, ct), ct),
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minorMetadataFactory: (ct) => Task.FromResult(new Dictionary<string, string?> {
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{ "o365:Type", SourceItemType.GroupOwner.ToString() },
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{ "o365:Id", group.Id }
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})),
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};
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foreach (var entry in res)
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{
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if (cancellationToken.IsCancellationRequested)
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yield break;
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yield return entry;
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}
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}
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private async Task<Stream> DirectoryEntriesAsStream<T>(IAsyncEnumerable<T> items, CancellationToken cancellationToken)
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{
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var stream = new MemoryStream();
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JsonSerializer.Serialize(stream, await items.ToListAsync(cancellationToken));
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stream.Position = 0;
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return stream;
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}
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public override Task<bool> FileExists(string filename, CancellationToken cancellationToken)
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=> Task.FromResult(provider.IncludedGroupTypes.Any(x => x.ToString() == filename));
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override public Task<Dictionary<string, string?>> GetMinorMetadata(CancellationToken cancellationToken)
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=> Task.FromResult(new Dictionary<string, string?>
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{
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{ "o365:v", "1" },
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{ "o365:Id", group.Id },
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{ "o365:Type", SourceItemType.Group.ToString() },
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{ "o365:Name", group.DisplayName },
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{ "o365:Description", group.Description },
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{ "o365:CreatedDateTime", group.CreatedDateTime.FromGraphDateTime().ToString("o", CultureInfo.InvariantCulture) },
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{ "o365:Visibility", group.Visibility },
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{ "o365:MailEnabled", group.MailEnabled.ToString() },
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{ "o365:SecurityEnabled", group.SecurityEnabled.ToString() },
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}
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.WhereNotNull()
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.ToDictionary(kvp => kvp.Key, kvp => kvp.Value));
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}
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