125 lines
4.8 KiB
C#
125 lines
4.8 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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namespace ASC.Data.Backup.Storage;
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[Scope]
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public class ConsumerBackupStorage : IBackupStorage, IGetterWriteOperator
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{
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private IDataStore _store;
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private readonly StorageSettingsHelper _storageSettingsHelper;
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private readonly TempPath _tempPath;
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private readonly SetupInfo _setupInfo;
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private readonly StorageFactory _storageFactory;
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private bool _isTemporary;
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private string Domain { get => _isTemporary ? "" : "backup"; }
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private CommonChunkedUploadSessionHolder _sessionHolder;
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public ConsumerBackupStorage(
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StorageSettingsHelper storageSettingsHelper,
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TempPath tempPath,
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SetupInfo setupInfo,
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StorageFactory storageFactory)
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{
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_storageSettingsHelper = storageSettingsHelper;
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_tempPath = tempPath;
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_setupInfo = setupInfo;
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_storageFactory = storageFactory;
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}
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public void Init(IReadOnlyDictionary<string, string> storageParams)
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{
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var settings = new StorageSettings { Module = storageParams["module"], Props = storageParams.Where(r => r.Key != "module").ToDictionary(r => r.Key, r => r.Value) };
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_store = _storageSettingsHelper.DataStore(settings);
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_sessionHolder = new CommonChunkedUploadSessionHolder(_tempPath, _store, Domain, _setupInfo.ChunkUploadSize);
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}
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public void Init(int tenant)
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{
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_isTemporary = true;
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_store = _storageFactory.GetStorage(tenant, "backup");
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_sessionHolder = new CommonChunkedUploadSessionHolder(_tempPath, _store, Domain, _setupInfo.ChunkUploadSize);
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}
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public async Task<string> Upload(string storageBasePath, string localPath, Guid userId)
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{
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using var stream = File.OpenRead(localPath);
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var storagePath = Path.GetFileName(localPath);
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await _store.SaveAsync(Domain, storagePath, stream, ACL.Private);
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return storagePath;
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}
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public async Task Download(string storagePath, string targetLocalPath)
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{
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using var source = await _store.GetReadStreamAsync(Domain, storagePath);
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using var destination = File.OpenWrite(targetLocalPath);
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await source.CopyToAsync(destination);
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}
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public async Task Delete(string storagePath)
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{
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if (await _store.IsFileAsync(Domain, storagePath))
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{
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await _store.DeleteAsync(Domain, storagePath);
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}
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}
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public async Task<bool> IsExists(string storagePath)
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{
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if (_store != null)
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{
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return await _store.IsFileAsync(Domain, storagePath);
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}
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else
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{
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return false;
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}
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}
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public async Task<string> GetPublicLink(string storagePath)
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{
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if (_isTemporary)
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{
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return (await _store.GetPreSignedUriAsync(Domain, storagePath, TimeSpan.FromDays(1), null)).ToString();
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}
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else
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{
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return (await _store.GetInternalUriAsync(Domain, storagePath, TimeSpan.FromDays(1), null)).AbsoluteUri;
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}
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}
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public async Task<IDataWriteOperator> GetWriteOperatorAsync(string storageBasePath, string title, Guid userId)
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{
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var session = new CommonChunkedUploadSession(-1)
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{
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TempPath = title,
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UploadId = await _store.InitiateChunkedUploadAsync(Domain, title)
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};
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return _store.CreateDataWriteOperator(session, _sessionHolder);
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}
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}
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