/// <summary> /// Called when this file is being moved or renamed. /// </summary> /// <param name="destFolder">Destination folder.</param> /// <param name="destName">New name of this file.</param> /// <param name="multistatus">Information about items that failed to move.</param> public override async Task MoveToAsync(IItemCollectionAsync destFolder, string destName, MultistatusException multistatus) { DavFolder targetFolder = (DavFolder)destFolder; if (targetFolder == null || !Directory.Exists(targetFolder.FullPath)) { throw new DavException("Target directory doesn't exist", DavStatus.CONFLICT); } string newDirPath = System.IO.Path.Combine(targetFolder.FullPath, destName); string targetPath = targetFolder.Path + EncodeUtil.EncodeUrlPart(destName); // If an item with the same name exists in target directory - remove it. try { IHierarchyItemAsync item = await context.GetHierarchyItemAsync(targetPath); if (item != null) { await item.DeleteAsync(multistatus); } } catch (DavException ex) { // Report exception to client and continue with other items by returning from recursion. multistatus.AddInnerException(targetPath, ex); return; } // Move the file. try { File.Move(fileSystemInfo.FullName, newDirPath); var newFileInfo = new FileInfo(newDirPath); if (FileSystemInfoExtension.IsUsingFileSystemAttribute) { await fileSystemInfo.MoveExtendedAttributes(newFileInfo); } // Locks should not be copied, delete them. if (await newFileInfo.HasExtendedAttributeAsync("Locks")) { await newFileInfo.DeleteExtendedAttributeAsync("Locks"); } } catch (UnauthorizedAccessException) { // Exception occurred with the item for which MoveTo was called - fail the operation. NeedPrivilegesException ex = new NeedPrivilegesException("Not enough privileges"); ex.AddRequiredPrivilege(targetPath, Privilege.Bind); string parentPath = System.IO.Path.GetDirectoryName(Path); ex.AddRequiredPrivilege(parentPath, Privilege.Unbind); throw ex; } }
/// <summary> /// Performs file system operation with translating exceptions to those expected by WebDAV engine. /// </summary> /// <param name="item">Item on which operation is performed.</param> /// <param name="func">The action to be performed.</param> /// <param name="privilege">Privilege which is needed to perform the operation. /// If <see cref="UnauthorizedAccessException"/> is thrown this method will convert it to /// <see cref="NeedPrivilegesException"/> exception and specify this privilege in it.</param> /// <typeparam name="T">Type of operation's result.</typeparam> /// <returns>Result returned by <paramref name="func"/>.</returns> public T FileOperation <T>(IHierarchyItemAsync item, Func <T> func, Privilege privilege) { try { using (impersonate()) { return(func()); } } catch (UnauthorizedAccessException) { NeedPrivilegesException ex = new NeedPrivilegesException("Not enough privileges"); ex.AddRequiredPrivilege(item.Path, privilege); throw ex; } catch (IOException ex) { int hr = Marshal.GetHRForException(ex); if (hr == ERROR_DISK_FULL) { throw new InsufficientStorageException(); } throw new DavException(ex.Message, DavStatus.CONFLICT); } }
/// <summary> /// Called when this file is being copied. /// </summary> /// <param name="destFolder">Destination folder.</param> /// <param name="destName">New file name.</param> /// <param name="deep">Whether children items shall be copied. Ignored for files.</param> /// <param name="multistatus">Information about items that failed to copy.</param> public override async Task CopyToAsync(IItemCollectionAsync destFolder, string destName, bool deep, MultistatusException multistatus) { DavFolder targetFolder = (DavFolder)destFolder; if (targetFolder == null || !Directory.Exists(targetFolder.FullPath)) { throw new DavException("Target directory doesn't exist", DavStatus.CONFLICT); } string newFilePath = System.IO.Path.Combine(targetFolder.FullPath, destName); string targetPath = targetFolder.Path + EncodeUtil.EncodeUrlPart(destName); // If an item with the same name exists - remove it. try { IHierarchyItemAsync item = await context.GetHierarchyItemAsync(targetPath); if (item != null) { await item.DeleteAsync(multistatus); } } catch (DavException ex) { // Report error with other item to client. multistatus.AddInnerException(targetPath, ex); return; } // Copy the file togather with all extended attributes (custom props and locks). try { File.Copy(fileSystemInfo.FullName, newFilePath); var newFileSystemInfo = new FileInfo(newFilePath); if (FileSystemInfoExtension.IsUsingFileSystemAttribute) { await fileSystemInfo.CopyExtendedAttributes(newFileSystemInfo); } // Locks should not be copied, delete them. if (await fileSystemInfo.HasExtendedAttributeAsync("Locks")) { await newFileSystemInfo.DeleteExtendedAttributeAsync("Locks"); } } catch (UnauthorizedAccessException) { // Fail NeedPrivilegesException ex = new NeedPrivilegesException("Not enough privileges"); string parentPath = System.IO.Path.GetDirectoryName(Path); ex.AddRequiredPrivilege(parentPath, Privilege.Bind); throw ex; } await context.socketService.NotifyRefreshAsync(targetFolder.Path); }