189 lines
5.2 KiB
C#
189 lines
5.2 KiB
C#
namespace ASC.Data.Backup.Storage;
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[Scope]
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public class DocumentsBackupStorage : IBackupStorage
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{
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private int _tenantId;
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private string _webConfigPath;
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private readonly SetupInfo _setupInfo;
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private readonly TenantManager _tenantManager;
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private readonly SecurityContext _securityContext;
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private readonly IDaoFactory _daoFactory;
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private readonly StorageFactory _storageFactory;
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private readonly IServiceProvider _serviceProvider;
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public DocumentsBackupStorage(
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SetupInfo setupInfo,
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TenantManager tenantManager,
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SecurityContext securityContext,
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IDaoFactory daoFactory,
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StorageFactory storageFactory,
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IServiceProvider serviceProvider)
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{
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_setupInfo = setupInfo;
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_tenantManager = tenantManager;
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_securityContext = securityContext;
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_daoFactory = daoFactory;
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_storageFactory = storageFactory;
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_serviceProvider = serviceProvider;
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}
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public void Init(int tenantId, string webConfigPath)
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{
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_tenantId = tenantId;
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_webConfigPath = webConfigPath;
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}
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public string Upload(string folderId, string localPath, Guid userId)
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{
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_tenantManager.SetCurrentTenant(_tenantId);
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if (!userId.Equals(Guid.Empty))
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{
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_securityContext.AuthenticateMeWithoutCookie(userId);
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}
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else
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{
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var tenant = _tenantManager.GetTenant(_tenantId);
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_securityContext.AuthenticateMeWithoutCookie(tenant.OwnerId);
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}
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if (int.TryParse(folderId, out var fId))
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{
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return Upload(fId, localPath).ToString();
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}
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return Upload(folderId, localPath);
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}
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public void Download(string fileId, string targetLocalPath)
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{
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_tenantManager.SetCurrentTenant(_tenantId);
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if (int.TryParse(fileId, out var fId))
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{
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DownloadDao(fId, targetLocalPath);
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return;
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}
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DownloadDao(fileId, targetLocalPath);
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}
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public void Delete(string fileId)
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{
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_tenantManager.SetCurrentTenant(_tenantId);
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if (int.TryParse(fileId, out var fId))
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{
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DeleteDao(fId);
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return;
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}
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DeleteDao(fileId);
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}
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public bool IsExists(string fileId)
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{
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_tenantManager.SetCurrentTenant(_tenantId);
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if (int.TryParse(fileId, out var fId))
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{
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return IsExistsDao(fId);
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}
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return IsExistsDao(fileId);
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}
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public string GetPublicLink(string fileId)
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{
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return string.Empty;
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}
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private T Upload<T>(T folderId, string localPath)
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{
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var folderDao = GetFolderDao<T>();
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var fileDao = GetFileDao<T>();
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var folder = folderDao.GetFolderAsync(folderId).Result;
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if (folder == null)
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{
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throw new FileNotFoundException("Folder not found.");
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}
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using var source = File.OpenRead(localPath);
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var newFile = _serviceProvider.GetService<File<T>>();
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newFile.Title = Path.GetFileName(localPath);
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newFile.FolderID = folder.ID;
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newFile.ContentLength = source.Length;
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File<T> file = null;
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var buffer = new byte[_setupInfo.ChunkUploadSize];
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var chunkedUploadSession = fileDao.CreateUploadSessionAsync(newFile, source.Length).Result;
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chunkedUploadSession.CheckQuota = false;
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int bytesRead;
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while ((bytesRead = source.Read(buffer, 0, (int)_setupInfo.ChunkUploadSize)) > 0)
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{
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using (var theMemStream = new MemoryStream())
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{
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theMemStream.Write(buffer, 0, bytesRead);
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theMemStream.Position = 0;
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file = fileDao.UploadChunkAsync(chunkedUploadSession, theMemStream, bytesRead).Result;
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}
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}
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return file.ID;
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}
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private void DownloadDao<T>(T fileId, string targetLocalPath)
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{
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_tenantManager.SetCurrentTenant(_tenantId);
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var fileDao = GetFileDao<T>();
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var file = fileDao.GetFileAsync(fileId).Result;
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if (file == null)
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{
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throw new FileNotFoundException("File not found.");
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}
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using var source = fileDao.GetFileStreamAsync(file).Result;
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using var destination = File.OpenWrite(targetLocalPath);
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source.CopyTo(destination);
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}
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private void DeleteDao<T>(T fileId)
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{
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var fileDao = GetFileDao<T>();
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fileDao.DeleteFileAsync(fileId).Wait();
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}
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private bool IsExistsDao<T>(T fileId)
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{
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var fileDao = GetFileDao<T>();
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try
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{
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var file = fileDao.GetFileAsync(fileId).Result;
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return file != null && file.RootFolderType != FolderType.TRASH;
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}
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catch (Exception)
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{
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return false;
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}
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}
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private IFolderDao<T> GetFolderDao<T>()
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{
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return _daoFactory.GetFolderDao<T>();
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}
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private IFileDao<T> GetFileDao<T>()
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{
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// hack: create storage using webConfigPath and put it into DataStoreCache
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// FileDao will use this storage and will not try to create the new one from service config
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_storageFactory.GetStorage(_webConfigPath, _tenantId.ToString(), "files");
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return _daoFactory.GetFileDao<T>();
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}
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}
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