315 lines
12 KiB
C#
315 lines
12 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Security;
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using System.Threading;
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using ASC.Core;
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using ASC.Core.Users;
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using ASC.Files.Core;
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using ASC.MessagingSystem;
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using ASC.Web.Core.Files;
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using ASC.Web.Files.Classes;
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using ASC.Web.Files.Helpers;
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using ASC.Web.Files.Resources;
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using ASC.Web.Studio.Core;
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using ASC.Web.Studio.UserControls.Statistics;
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using ASC.Web.Studio.Utility;
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using File = ASC.Files.Core.File;
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namespace ASC.Web.Files.Utils
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{
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public class FileUploader
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{
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public FilesSettingsHelper FilesSettingsHelper { get; }
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public FileUtility FileUtility { get; }
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public UserManager UserManager { get; }
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public TenantManager TenantManager { get; }
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public AuthContext AuthContext { get; }
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public SetupInfo SetupInfo { get; }
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public TenantExtra TenantExtra { get; }
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public TenantStatisticsProvider TenantStatisticsProvider { get; }
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public FileUploader(
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FilesSettingsHelper filesSettingsHelper,
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FileUtility fileUtility,
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UserManager userManager,
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TenantManager tenantManager,
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AuthContext authContext,
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SetupInfo setupInfo,
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TenantExtra tenantExtra,
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TenantStatisticsProvider tenantStatisticsProvider)
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{
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FilesSettingsHelper = filesSettingsHelper;
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FileUtility = fileUtility;
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UserManager = userManager;
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TenantManager = tenantManager;
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AuthContext = authContext;
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SetupInfo = setupInfo;
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TenantExtra = tenantExtra;
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TenantStatisticsProvider = tenantStatisticsProvider;
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}
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public File Exec(string folderId, string title, long contentLength, Stream data)
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{
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return Exec(folderId, title, contentLength, data, !FilesSettingsHelper.UpdateIfExist);
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}
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public File Exec(string folderId, string title, long contentLength, Stream data, bool createNewIfExist, bool deleteConvertStatus = true)
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{
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if (contentLength <= 0)
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throw new Exception(FilesCommonResource.ErrorMassage_EmptyFile);
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var file = VerifyFileUpload(folderId, title, contentLength, !createNewIfExist);
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using (var dao = Global.DaoFactory.GetFileDao())
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{
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file = dao.SaveFile(file, data);
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}
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FileMarker.MarkAsNew(file);
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if (FileConverter.EnableAsUploaded && FileConverter.MustConvert(file))
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FileConverter.ExecAsync(file, deleteConvertStatus);
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return file;
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}
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public File VerifyFileUpload(string folderId, string fileName, bool updateIfExists, string relativePath = null)
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{
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fileName = Global.ReplaceInvalidCharsAndTruncate(fileName);
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if (Global.EnableUploadFilter && !FileUtility.ExtsUploadable.Contains(FileUtility.GetFileExtension(fileName)))
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throw new NotSupportedException(FilesCommonResource.ErrorMassage_NotSupportedFormat);
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folderId = GetFolderId(folderId, string.IsNullOrEmpty(relativePath) ? null : relativePath.Split('/').ToList());
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using (var fileDao = Global.DaoFactory.GetFileDao())
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{
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var file = fileDao.GetFile(folderId, fileName);
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if (updateIfExists && CanEdit(file))
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{
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file.Title = fileName;
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file.ConvertedType = null;
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file.Comment = FilesCommonResource.CommentUpload;
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file.Version++;
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file.VersionGroup++;
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file.Encrypted = false;
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return file;
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}
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}
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return new File { FolderID = folderId, Title = fileName };
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}
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public File VerifyFileUpload(string folderId, string fileName, long fileSize, bool updateIfExists)
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{
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if (fileSize <= 0)
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throw new Exception(FilesCommonResource.ErrorMassage_EmptyFile);
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var maxUploadSize = GetMaxFileSize(folderId);
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if (fileSize > maxUploadSize)
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throw FileSizeComment.GetFileSizeException(maxUploadSize);
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var file = VerifyFileUpload(folderId, fileName, updateIfExists);
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file.ContentLength = fileSize;
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return file;
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}
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private bool CanEdit(File file)
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{
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return file != null
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&& Global.GetFilesSecurity().CanEdit(file)
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&& !UserManager.GetUsers(AuthContext.CurrentAccount.ID).IsVisitor(UserManager)
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&& !EntryManager.FileLockedForMe(file.ID)
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&& !FileTracker.IsEditing(file.ID)
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&& file.RootFolderType != FolderType.TRASH
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&& !file.Encrypted;
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}
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private static string GetFolderId(object folderId, IList<string> relativePath)
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{
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using (var folderDao = Global.DaoFactory.GetFolderDao())
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{
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var folder = folderDao.GetFolder(folderId);
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if (folder == null)
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throw new DirectoryNotFoundException(FilesCommonResource.ErrorMassage_FolderNotFound);
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if (!Global.GetFilesSecurity().CanCreate(folder))
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throw new SecurityException(FilesCommonResource.ErrorMassage_SecurityException_Create);
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if (relativePath != null && relativePath.Any())
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{
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var subFolderTitle = Global.ReplaceInvalidCharsAndTruncate(relativePath.FirstOrDefault());
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if (!string.IsNullOrEmpty(subFolderTitle))
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{
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folder = folderDao.GetFolder(subFolderTitle, folder.ID);
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if (folder == null)
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{
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folderId = folderDao.SaveFolder(new Folder { Title = subFolderTitle, ParentFolderID = folderId });
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folder = folderDao.GetFolder(folderId);
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FilesMessageService.Send(folder, HttpContext.Current.Request, MessageAction.FolderCreated, folder.Title);
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}
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folderId = folder.ID;
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relativePath.RemoveAt(0);
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folderId = GetFolderId(folderId, relativePath);
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}
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}
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}
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return folderId.ToString();
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}
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#region chunked upload
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public File VerifyChunkedUpload(string folderId, string fileName, long fileSize, bool updateIfExists, string relativePath = null)
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{
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var maxUploadSize = GetMaxFileSize(folderId, true);
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if (fileSize > maxUploadSize)
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throw FileSizeComment.GetFileSizeException(maxUploadSize);
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var file = VerifyFileUpload(folderId, fileName, updateIfExists, relativePath);
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file.ContentLength = fileSize;
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return file;
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}
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public ChunkedUploadSession InitiateUpload(string folderId, string fileId, string fileName, long contentLength, bool encrypted)
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{
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if (string.IsNullOrEmpty(folderId))
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folderId = null;
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if (string.IsNullOrEmpty(fileId))
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fileId = null;
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var file = new File
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{
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ID = fileId,
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FolderID = folderId,
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Title = fileName,
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ContentLength = contentLength
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};
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using (var dao = Global.DaoFactory.GetFileDao())
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{
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var uploadSession = dao.CreateUploadSession(file, contentLength);
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uploadSession.Expired = uploadSession.Created + ChunkedUploadSessionHolder.SlidingExpiration;
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uploadSession.Location = FilesLinkUtility.GetUploadChunkLocationUrl(uploadSession.Id);
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uploadSession.TenantId = TenantManager.GetCurrentTenant().TenantId;
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uploadSession.UserId = AuthContext.CurrentAccount.ID;
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uploadSession.FolderId = folderId;
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uploadSession.CultureName = Thread.CurrentThread.CurrentUICulture.Name;
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uploadSession.Encrypted = encrypted;
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ChunkedUploadSessionHolder.StoreSession(uploadSession);
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return uploadSession;
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}
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}
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public ChunkedUploadSession UploadChunk(string uploadId, Stream stream, long chunkLength)
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{
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var uploadSession = ChunkedUploadSessionHolder.GetSession(uploadId);
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uploadSession.Expired = DateTime.UtcNow + ChunkedUploadSessionHolder.SlidingExpiration;
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if (chunkLength <= 0)
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{
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throw new Exception(FilesCommonResource.ErrorMassage_EmptyFile);
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}
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if (chunkLength > SetupInfo.ChunkUploadSize)
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{
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throw FileSizeComment.GetFileSizeException(SetupInfo.MaxUploadSize(TenantExtra, TenantStatisticsProvider));
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}
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var maxUploadSize = GetMaxFileSize(uploadSession.FolderId, uploadSession.BytesTotal > 0);
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if (uploadSession.BytesUploaded + chunkLength > maxUploadSize)
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{
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AbortUpload(uploadSession);
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throw FileSizeComment.GetFileSizeException(maxUploadSize);
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}
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using (var dao = Global.DaoFactory.GetFileDao())
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{
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dao.UploadChunk(uploadSession, stream, chunkLength);
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}
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if (uploadSession.BytesUploaded == uploadSession.BytesTotal)
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{
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FileMarker.MarkAsNew(uploadSession.File);
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ChunkedUploadSessionHolder.RemoveSession(uploadSession);
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}
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else
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{
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ChunkedUploadSessionHolder.StoreSession(uploadSession);
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}
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return uploadSession;
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}
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public static void AbortUpload(string uploadId)
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{
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AbortUpload(ChunkedUploadSessionHolder.GetSession(uploadId));
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}
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private static void AbortUpload(ChunkedUploadSession uploadSession)
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{
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using (var dao = Global.DaoFactory.GetFileDao())
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{
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dao.AbortUploadSession(uploadSession);
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}
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ChunkedUploadSessionHolder.RemoveSession(uploadSession);
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}
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private static long GetMaxFileSize(object folderId, bool chunkedUpload = false)
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{
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using (var folderDao = Global.DaoFactory.GetFolderDao())
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{
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return folderDao.GetMaxUploadSize(folderId, chunkedUpload);
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}
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}
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#endregion
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}
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} |