mirror of
https://github.com/duplicati/duplicati.git
synced 2025-11-27 19:10:29 +08:00
85 lines
4 KiB
C#
85 lines
4 KiB
C#
// Copyright (C) 2025, The Duplicati Team
|
|
// https://duplicati.com, hello@duplicati.com
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the "Software"),
|
|
// to deal in the Software without restriction, including without limitation
|
|
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
// and/or sell copies of the Software, and to permit persons to whom the
|
|
// Software is furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
|
|
#nullable enable
|
|
|
|
using System.Linq;
|
|
using System.Threading.Tasks;
|
|
using Duplicati.Library.Interface;
|
|
|
|
namespace Duplicati.Library.Main.Operation;
|
|
|
|
/// <summary>
|
|
/// Handler for listing folder contents
|
|
/// </summary>
|
|
internal static class ListFolderHandler
|
|
{
|
|
/// <summary>
|
|
/// Lists the contents of a folder in a backup fileset
|
|
/// </summary>
|
|
/// <param name="options">The options to use</param>
|
|
/// <param name="result">The result class</param>
|
|
/// <param name="folders">The folders to list</param>
|
|
/// <param name="offset">The offset to start listing from</param>
|
|
/// <param name="limit">The maximum number of entries to list</param>
|
|
/// <returns>A task representing the asynchronous operation</returns>
|
|
public static async Task RunAsync(Options options, ListFolderResults result, string[] folders, long offset, long limit)
|
|
{
|
|
if (!System.IO.File.Exists(options.Dbpath) || options.NoLocalDb)
|
|
throw new UserInformationException("No local database found, this operation requires a local database", "NoLocalDatabase");
|
|
|
|
await using var db = await Database.LocalListDatabase.CreateAsync(options.Dbpath, null, result.TaskControl.ProgressToken)
|
|
.ConfigureAwait(false);
|
|
|
|
var filesetIds = await db
|
|
.GetFilesetIDs(options.Time, options.Version, singleTimeMatch: true, result.TaskControl.ProgressToken)
|
|
.ToArrayAsync(cancellationToken: result.TaskControl.ProgressToken)
|
|
.ConfigureAwait(false);
|
|
|
|
if (filesetIds.Length == 0)
|
|
throw new UserInformationException("No filesets found", "NoFilesetsFound");
|
|
if (filesetIds.Length > 1)
|
|
throw new UserInformationException("Multiple filesets found, please specify a single version or time", "MultipleFilesetsFound");
|
|
|
|
if (folders == null || folders.Length == 0 || folders[0] == "")
|
|
{
|
|
if (folders != null && folders.Length > 1)
|
|
throw new UserInformationException("When no folder is specified, only one folder can be listed", "MultipleFoldersFound");
|
|
var rootFolders = await db
|
|
.GetMinimalUniquePrefixEntries(filesetIds[0], result.TaskControl.ProgressToken)
|
|
.ToListAsync(cancellationToken: result.TaskControl.ProgressToken)
|
|
.ConfigureAwait(false);
|
|
result.Entries = new PaginatedResults<IListFolderEntry>(0, rootFolders.Count, 1, rootFolders.Count, rootFolders);
|
|
}
|
|
else
|
|
{
|
|
result.Entries = await db
|
|
.ListFolder(
|
|
db.GetPrefixIds(folders, result.TaskControl.ProgressToken).ToBlockingEnumerable(),
|
|
filesetIds[0],
|
|
offset,
|
|
limit,
|
|
result.TaskControl.ProgressToken
|
|
)
|
|
.ConfigureAwait(false);
|
|
}
|
|
}
|
|
}
|