473 lines
18 KiB
C#
473 lines
18 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.Text.RegularExpressions;
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using ASC.Common;
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using ASC.Core.Common.EF;
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using ASC.Core.Common.EF.Context;
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using Microsoft.Extensions.Configuration;
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namespace ASC.Web.Core.Files
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{
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[Scope]
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public class FileUtility
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{
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private Lazy<FilesDbContext> LazyFilesDbContext { get; }
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private FilesDbContext FilesDbContext { get => LazyFilesDbContext.Value; }
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public FileUtility(
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IConfiguration configuration,
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FilesLinkUtility filesLinkUtility,
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DbContextManager<FilesDbContext> dbContextManager)
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{
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Configuration = configuration;
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FilesLinkUtility = filesLinkUtility;
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LazyFilesDbContext = new Lazy<FilesDbContext>(() => dbContextManager.Get("files"));
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CanForcesave = GetCanForcesave();
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}
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#region method
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public static string GetFileExtension(string fileName)
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{
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if (string.IsNullOrEmpty(fileName)) return string.Empty;
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string extension = null;
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try
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{
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extension = Path.GetExtension(fileName);
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}
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catch (Exception)
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{
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var position = fileName.LastIndexOf('.');
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if (0 <= position)
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extension = fileName.Substring(position).Trim().ToLower();
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}
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return extension == null ? string.Empty : extension.Trim().ToLower();
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}
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public string GetInternalExtension(string fileName)
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{
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var extension = GetFileExtension(fileName);
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return InternalExtension.TryGetValue(GetFileTypeByExtention(extension), out var internalExtension)
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? internalExtension
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: extension;
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}
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public string GetGoogleDownloadableExtension(string googleExtension)
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{
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googleExtension = GetFileExtension(googleExtension);
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if (googleExtension.Equals(".gdraw")) return ".pdf";
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return GetInternalExtension(googleExtension);
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}
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public static string ReplaceFileExtension(string fileName, string newExtension)
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{
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newExtension = string.IsNullOrEmpty(newExtension) ? string.Empty : newExtension;
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return Path.GetFileNameWithoutExtension(fileName) + newExtension;
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}
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public static FileType GetFileTypeByFileName(string fileName)
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{
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return GetFileTypeByExtention(GetFileExtension(fileName));
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}
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public static FileType GetFileTypeByExtention(string extension)
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{
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extension = extension.ToLower();
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if (ExtsDocument.Contains(extension)) return FileType.Document;
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if (ExtsSpreadsheet.Contains(extension)) return FileType.Spreadsheet;
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if (ExtsPresentation.Contains(extension)) return FileType.Presentation;
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if (ExtsImage.Contains(extension)) return FileType.Image;
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if (ExtsArchive.Contains(extension)) return FileType.Archive;
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if (ExtsAudio.Contains(extension)) return FileType.Audio;
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if (ExtsVideo.Contains(extension)) return FileType.Video;
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return FileType.Unknown;
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}
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public bool CanImageView(string fileName)
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{
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return ExtsImagePreviewed.Contains(GetFileExtension(fileName), StringComparer.CurrentCultureIgnoreCase);
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}
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public bool CanMediaView(string fileName)
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{
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return ExtsMediaPreviewed.Contains(GetFileExtension(fileName), StringComparer.CurrentCultureIgnoreCase);
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}
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public bool CanWebView(string fileName)
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{
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return ExtsWebPreviewed.Contains(GetFileExtension(fileName), StringComparer.CurrentCultureIgnoreCase);
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}
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public bool CanWebEdit(string fileName)
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{
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return ExtsWebEdited.Contains(GetFileExtension(fileName), StringComparer.CurrentCultureIgnoreCase);
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}
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public bool CanWebReview(string fileName)
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{
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return ExtsWebReviewed.Contains(GetFileExtension(fileName), StringComparer.CurrentCultureIgnoreCase);
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}
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public bool CanWebCustomFilterEditing(string fileName)
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{
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return ExtsWebCustomFilterEditing.Contains(GetFileExtension(fileName), StringComparer.CurrentCultureIgnoreCase);
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}
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public bool CanWebRestrictedEditing(string fileName)
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{
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return ExtsWebRestrictedEditing.Contains(GetFileExtension(fileName), StringComparer.CurrentCultureIgnoreCase);
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}
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public bool CanWebComment(string fileName)
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{
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return ExtsWebCommented.Contains(GetFileExtension(fileName), StringComparer.CurrentCultureIgnoreCase);
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}
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public bool CanCoAuhtoring(string fileName)
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{
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return ExtsCoAuthoring.Contains(GetFileExtension(fileName), StringComparer.CurrentCultureIgnoreCase);
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}
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public bool CanIndex(string fileName)
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{
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return ExtsIndexing.Contains(GetFileExtension(fileName), StringComparer.CurrentCultureIgnoreCase);
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}
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#endregion
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#region member
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private Dictionary<string, List<string>> _extsConvertible;
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public Dictionary<string, List<string>> ExtsConvertible
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{
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get
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{
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if (_extsConvertible == null)
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{
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_extsConvertible = new Dictionary<string, List<string>>();
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if (string.IsNullOrEmpty(FilesLinkUtility.DocServiceConverterUrl)) return _extsConvertible;
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var dbManager = FilesDbContext;
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var list = dbManager.FilesConverts.Select(r => new { r.Input, r.Output }).ToList();
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list.ForEach(item =>
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{
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var input = item.Input;
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var output = item.Output;
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if (string.IsNullOrEmpty(input) || string.IsNullOrEmpty(output))
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return;
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input = input.ToLower().Trim();
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output = output.ToLower().Trim();
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if (!_extsConvertible.ContainsKey(input))
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_extsConvertible[input] = new List<string>();
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_extsConvertible[input].Add(output);
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});
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}
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return _extsConvertible;
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}
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}
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private List<string> _extsUploadable;
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public List<string> ExtsUploadable
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{
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get
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{
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if (_extsUploadable == null)
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{
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_extsUploadable = new List<string>();
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_extsUploadable.AddRange(ExtsWebPreviewed);
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_extsUploadable.AddRange(ExtsWebEdited);
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_extsUploadable.AddRange(ExtsImagePreviewed);
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_extsUploadable = _extsUploadable.Distinct().ToList();
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}
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return _extsUploadable;
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}
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}
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private List<string> extsIndexing;
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private List<string> ExtsIndexing { get => extsIndexing ??= (Configuration.GetSection("files:index").Get<string[]>() ?? new string[] { }).ToList(); }
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private List<string> extsImagePreviewed;
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public List<string> ExtsImagePreviewed { get => extsImagePreviewed ??= (Configuration.GetSection("files:viewed-images").Get<string[]>() ?? new string[] { }).ToList(); }
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private List<string> extsMediaPreviewed;
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public List<string> ExtsMediaPreviewed { get => extsMediaPreviewed ??= (Configuration.GetSection("files:viewed-media").Get<string[]>() ?? new string[] { }).ToList(); }
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private List<string> extsWebPreviewed;
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public List<string> ExtsWebPreviewed
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{
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get
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{
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if (string.IsNullOrEmpty(FilesLinkUtility.DocServiceApiUrl))
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{
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return new List<string>();
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}
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return extsWebPreviewed ??= (Configuration.GetSection("files:docservice:viewed-docs").Get<string[]>() ?? new string[] { }).ToList();
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}
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}
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private List<string> extsWebEdited;
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public List<string> ExtsWebEdited
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{
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get
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{
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if (string.IsNullOrEmpty(FilesLinkUtility.DocServiceApiUrl))
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{
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return new List<string>();
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}
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return extsWebEdited ??= (Configuration.GetSection("files:docservice:edited-docs").Get<string[]>() ?? new string[] { }).ToList();
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}
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}
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private List<string> extsWebEncrypt;
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public List<string> ExtsWebEncrypt { get => extsWebEncrypt ??= (Configuration.GetSection("files:docservice:encrypted-docs").Get<string[]>() ?? new string[] { }).ToList(); }
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private List<string> extsWebReviewed;
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public List<string> ExtsWebReviewed
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{
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get
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{
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if (string.IsNullOrEmpty(FilesLinkUtility.DocServiceApiUrl))
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{
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return new List<string>();
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}
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return extsWebReviewed ??= (Configuration.GetSection("files:docservice:reviewed-docs").Get<string[]>() ?? new string[] { }).ToList();
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}
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}
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private List<string> extsWebCustomFilterEditing;
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public List<string> ExtsWebCustomFilterEditing
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{
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get
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{
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if (string.IsNullOrEmpty(FilesLinkUtility.DocServiceApiUrl))
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{
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return new List<string>();
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}
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return extsWebCustomFilterEditing ??= (Configuration.GetSection("files:docservice:customfilter-docs").Get<string[]>() ?? new string[] { }).ToList();
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}
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}
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private List<string> extsWebRestrictedEditing;
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public List<string> ExtsWebRestrictedEditing
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{
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get
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{
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if (string.IsNullOrEmpty(FilesLinkUtility.DocServiceApiUrl))
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{
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return new List<string>();
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}
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return extsWebRestrictedEditing ??= (Configuration.GetSection("files:docservice:formfilling-docs").Get<string[]>() ?? new string[] { }).ToList();
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}
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}
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private List<string> extsWebCommented;
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public List<string> ExtsWebCommented
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{
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get
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{
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if (string.IsNullOrEmpty(FilesLinkUtility.DocServiceApiUrl))
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{
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return new List<string>();
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}
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return extsWebCommented ??= (Configuration.GetSection("files:docservice:commented-docs").Get<string[]>() ?? new string[] { }).ToList();
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}
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}
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private List<string> extsWebTemplate;
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public List<string> ExtsWebTemplate
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{
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get
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{
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return extsWebTemplate ??= (Configuration.GetSection("files:docservice:template-docs").Get<string[]>() ?? new string[] { }).ToList();
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}
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}
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private List<string> extsMustConvert;
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public List<string> ExtsMustConvert
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{
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get
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{
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if (string.IsNullOrEmpty(FilesLinkUtility.DocServiceConverterUrl))
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{
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return new List<string>();
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}
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return extsMustConvert ??= (Configuration.GetSection("files:docservice:convert-docs").Get<string[]>() ?? new string[] { }).ToList();
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}
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}
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private List<string> extsCoAuthoring;
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public List<string> ExtsCoAuthoring
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{
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get => extsCoAuthoring ??= (Configuration.GetSection("files:docservice:coauthor-docs").Get<string[]>() ?? new string[] { }).ToList();
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}
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private IConfiguration Configuration { get; }
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private FilesLinkUtility FilesLinkUtility { get; }
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public static readonly List<string> ExtsArchive = new List<string>
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{
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".zip", ".rar", ".ace", ".arc", ".arj",
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".bh", ".cab", ".enc", ".gz", ".ha",
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".jar", ".lha", ".lzh", ".pak", ".pk3",
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".tar", ".tgz", ".gz", ".uu", ".uue", ".xxe",
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".z", ".zoo"
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};
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public static readonly List<string> ExtsVideo = new List<string>
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{
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".3gp", ".asf", ".avi", ".f4v",
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".fla", ".flv", ".m2ts", ".m4v",
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".mkv", ".mov", ".mp4", ".mpeg",
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".mpg", ".mts", ".ogv", ".svi",
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".vob", ".webm", ".wmv"
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};
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public static readonly List<string> ExtsAudio = new List<string>
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{
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".aac", ".ac3", ".aiff", ".amr",
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".ape", ".cda", ".flac", ".m4a",
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".mid", ".mka", ".mp3", ".mpc",
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".oga", ".ogg", ".pcm", ".ra",
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".raw", ".wav", ".wma"
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};
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public static readonly List<string> ExtsImage = new List<string>
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{
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".bmp", ".cod", ".gif", ".ief", ".jpe", ".jpeg", ".jpg",
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".jfif", ".tiff", ".tif", ".cmx", ".ico", ".pnm", ".pbm",
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".png", ".ppm", ".rgb", ".svg", ".xbm", ".xpm", ".xwd",
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".svgt", ".svgy", ".gdraw", ".webp"
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};
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public static readonly List<string> ExtsSpreadsheet = new List<string>
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{
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".xls", ".xlsx", ".xlsm",
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".xlt", ".xltx", ".xltm",
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".ods", ".fods", ".ots", ".csv",
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".xlst", ".xlsy", ".xlsb",
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".gsheet"
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};
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public static readonly List<string> ExtsPresentation = new List<string>
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{
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".pps", ".ppsx", ".ppsm",
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".ppt", ".pptx", ".pptm",
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".pot", ".potx", ".potm",
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".odp", ".fodp", ".otp",
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".pptt", ".ppty",
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".gslides"
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};
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public static readonly List<string> ExtsDocument = new List<string>
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{
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".doc", ".docx", ".docm",
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".dot", ".dotx", ".dotm",
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".odt", ".fodt", ".ott", ".rtf", ".txt",
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".html", ".htm", ".mht",
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".pdf", ".djvu", ".fb2", ".epub", ".xps",
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".doct", ".docy",
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".gdoc"
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};
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public static readonly List<string> ExtsTemplate = new List<string>
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{
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".ott", ".ots", ".otp",
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".dot", ".dotm", ".dotx",
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".xlt", ".xltm", ".xltx",
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".pot", ".potm", ".potx",
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};
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public Dictionary<FileType, string> InternalExtension
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{
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get => new Dictionary<FileType, string>
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{
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{ FileType.Document, Configuration["files:docservice:internal-doc"] ?? ".docx" },
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{ FileType.Spreadsheet, Configuration["files:docservice:internal-xls"] ?? ".xlsx" },
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{ FileType.Presentation, Configuration["files:docservice:internal-ppt"] ?? ".pptx" }
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};
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}
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public enum CsvDelimiter
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{
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None = 0,
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Tab = 1,
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Semicolon = 2,
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Colon = 3,
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Comma = 4,
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Space = 5
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}
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public string SignatureSecret { get => GetSignatureSecret(); }
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public string SignatureHeader { get => GetSignatureHeader(); }
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private string GetSignatureSecret()
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{
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var result = Configuration["files:docservice:secret:value"] ?? "";
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var regex = new Regex(@"^\s+$");
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if (regex.IsMatch(result))
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result = "";
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return result;
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}
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private string GetSignatureHeader()
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{
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var result = (Configuration["files:docservice:secret:header"] ?? "").Trim();
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if (string.IsNullOrEmpty(result))
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result = "Authorization";
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return result;
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}
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public readonly bool CanForcesave;
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private bool GetCanForcesave()
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{
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return !bool.TryParse(Configuration["files:docservice:forcesave"] ?? "", out var canForcesave) || canForcesave;
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}
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#endregion
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}
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} |