mirror of
https://github.com/ONLYOFFICE/document-server-integration.git
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338 lines
12 KiB
C#
338 lines
12 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2016
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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.Net;
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using System.Text.RegularExpressions;
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using System.Web;
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using System.Web.Caching;
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using System.Web.Configuration;
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using System.Web.UI;
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using ASC.Api.DocumentConverter;
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namespace OnlineEditorsExample
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{
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internal static class FileType
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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",
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".ods", ".csv"
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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",
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".ppt", ".pptx",
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".odp"
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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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".docx", ".doc", ".odt", ".rtf", ".txt",
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".html", ".htm", ".mht", ".pdf", ".djvu",
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".fb2", ".epub", ".xps"
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};
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public static string GetInternalExtension(string extension)
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{
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extension = Path.GetExtension(extension).ToLower();
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if (ExtsDocument.Contains(extension)) return ".docx";
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if (ExtsSpreadsheet.Contains(extension)) return ".xlsx";
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if (ExtsPresentation.Contains(extension)) return ".pptx";
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return string.Empty;
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}
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}
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public partial class _Default : Page
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{
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public static UriBuilder Host
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{
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get
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{
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var uri = new UriBuilder(HttpContext.Current.Request.Url) {Query = ""};
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var requestHost = HttpContext.Current.Request.Headers["Host"];
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if (!string.IsNullOrEmpty(requestHost))
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uri = new UriBuilder(uri.Scheme + "://" + requestHost);
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return uri;
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}
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}
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public static string VirtualPath
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{
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get
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{
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return
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HttpRuntime.AppDomainAppVirtualPath
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+ (HttpRuntime.AppDomainAppVirtualPath.EndsWith("/") ? "" : "/")
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+ WebConfigurationManager.AppSettings["storage-path"]
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+ CurUserHostAddress(null) + "/";
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}
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}
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private static bool? _ismono;
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public static bool IsMono
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{
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get
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{
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return _ismono.HasValue ? _ismono.Value : (_ismono = (bool?)(Type.GetType("Mono.Runtime") != null)).Value;
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}
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}
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private static long MaxFileSize
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{
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get
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{
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long size;
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long.TryParse(WebConfigurationManager.AppSettings["filesize-max"], out size);
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return size > 0 ? size : 5*1024*1024;
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}
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}
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private static List<string> FileExts
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{
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get { return ViewedExts.Concat(EditedExts).Concat(ConvertExts).ToList(); }
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}
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private static List<string> ViewedExts
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{
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get { return (WebConfigurationManager.AppSettings["files.docservice.viewed-docs"] ?? "").Split(new char[] { '|', ',' }, StringSplitOptions.RemoveEmptyEntries).ToList(); }
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}
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public static List<string> EditedExts
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{
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get { return (WebConfigurationManager.AppSettings["files.docservice.edited-docs"] ?? "").Split(new char[] { '|', ',' }, StringSplitOptions.RemoveEmptyEntries).ToList(); }
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}
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public static List<string> ConvertExts
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{
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get { return (WebConfigurationManager.AppSettings["files.docservice.convert-docs"] ?? "").Split(new char[] { '|', ',' }, StringSplitOptions.RemoveEmptyEntries).ToList(); }
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}
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public static bool EditMode
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{
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get { return (WebConfigurationManager.AppSettings["mode"] ?? "") != "view"; }
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}
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private static string _fileName;
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public static string CurUserHostAddress(string userAddress)
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{
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return Regex.Replace(userAddress ?? HttpContext.Current.Request.UserHostAddress, "[^0-9a-zA-Z.=]", "_");
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}
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public static string StoragePath(string fileName, string userAddress)
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{
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var directory = HttpRuntime.AppDomainAppPath + WebConfigurationManager.AppSettings["storage-path"] + CurUserHostAddress(userAddress) + "\\";
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if (!Directory.Exists(directory))
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{
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Directory.CreateDirectory(directory);
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}
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return directory + fileName;
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}
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public static string FileUri(string fileName)
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{
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var uri = Host;
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uri.Path = VirtualPath + fileName;
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return uri.ToString();
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}
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public static string DocumentType(string fileName)
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{
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var ext = Path.GetExtension(fileName).ToLower();
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if (FileType.ExtsDocument.Contains(ext)) return "text";
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if (FileType.ExtsSpreadsheet.Contains(ext)) return "spreadsheet";
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if (FileType.ExtsPresentation.Contains(ext)) return "presentation";
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return string.Empty;
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}
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protected string UrlPreloadScripts = WebConfigurationManager.AppSettings["files.docservice.url.preloader"];
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protected void Page_Load(object sender, EventArgs e)
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{
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}
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public static string DoUpload(HttpContext context)
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{
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var httpPostedFile = context.Request.Files[0];
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if (HttpContext.Current.Request.Browser.Browser.ToUpper() == "IE")
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{
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var files = httpPostedFile.FileName.Split(new char[] { '\\' });
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_fileName = files[files.Length - 1];
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}
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else
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{
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_fileName = httpPostedFile.FileName;
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}
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var curSize = httpPostedFile.ContentLength;
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if (MaxFileSize < curSize || curSize <= 0)
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{
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throw new Exception("File size is incorrect");
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}
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var curExt = (Path.GetExtension(_fileName) ?? "").ToLower();
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if (!FileExts.Contains(curExt))
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{
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throw new Exception("File type is not supported");
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}
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_fileName = GetCorrectName(_fileName);
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var savedFileName = StoragePath(_fileName, null);
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httpPostedFile.SaveAs(savedFileName);
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return _fileName;
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}
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public static string DoUpload(string fileUri)
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{
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_fileName = GetCorrectName(Path.GetFileName(fileUri));
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var curExt = (Path.GetExtension(_fileName) ?? "").ToLower();
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if (!FileExts.Contains(curExt))
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{
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throw new Exception("File type is not supported");
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}
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var req = (HttpWebRequest)WebRequest.Create(fileUri);
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try
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{
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// hack. http://ubuntuforums.org/showthread.php?t=1841740
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if (IsMono)
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{
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ServicePointManager.ServerCertificateValidationCallback += (s, ce, ca, p) => true;
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}
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using (var stream = req.GetResponse().GetResponseStream())
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{
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if (stream == null) throw new Exception("stream is null");
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const int bufferSize = 4096;
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using (var fs = File.Open(StoragePath(_fileName, null), FileMode.Create))
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{
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var buffer = new byte[bufferSize];
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int readed;
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while ((readed = stream.Read(buffer, 0, bufferSize)) != 0)
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{
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fs.Write(buffer, 0, readed);
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}
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}
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}
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}
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catch (Exception)
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{
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}
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return _fileName;
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}
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public static string DoConvert(HttpContext context)
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{
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_fileName = context.Request["filename"];
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var extension = (Path.GetExtension(_fileName) ?? "").Trim('.');
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var internalExtension = FileType.GetInternalExtension(_fileName).Trim('.');
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if (ConvertExts.Contains("." + extension)
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&& !string.IsNullOrEmpty(internalExtension))
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{
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var key = ServiceConverter.GenerateRevisionId(FileUri(_fileName));
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string newFileUri;
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var result = ServiceConverter.GetConvertedUri(FileUri(_fileName), extension, internalExtension, key, true, out newFileUri);
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if (result != 100)
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{
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return "{ \"step\" : \"" + result + "\", \"filename\" : \"" + _fileName + "\"}";
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}
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var fileName = GetCorrectName(Path.GetFileNameWithoutExtension(_fileName) + "." + internalExtension);
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var req = (HttpWebRequest)WebRequest.Create(newFileUri);
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// hack. http://ubuntuforums.org/showthread.php?t=1841740
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if (IsMono)
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{
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ServicePointManager.ServerCertificateValidationCallback += (s, ce, ca, p) => true;
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}
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using (var stream = req.GetResponse().GetResponseStream())
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{
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if (stream == null) throw new Exception("Stream is null");
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const int bufferSize = 4096;
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using (var fs = File.Open(StoragePath(fileName, null), FileMode.Create))
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{
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var buffer = new byte[bufferSize];
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int readed;
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while ((readed = stream.Read(buffer, 0, bufferSize)) != 0)
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{
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fs.Write(buffer, 0, readed);
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}
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}
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}
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File.Delete(StoragePath(_fileName, null));
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_fileName = fileName;
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}
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return "{ \"filename\" : \"" + _fileName + "\"}";
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}
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public static string GetCorrectName(string fileName, string userAddress = null)
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{
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var baseName = Path.GetFileNameWithoutExtension(fileName);
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var ext = Path.GetExtension(fileName);
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var name = baseName + ext;
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for (var i = 1; File.Exists(StoragePath(name, userAddress)); i++)
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{
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name = baseName + " (" + i + ")" + ext;
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}
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return name;
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}
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protected static List<string> GetStoredFiles()
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{
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var directory = HttpRuntime.AppDomainAppPath + WebConfigurationManager.AppSettings["storage-path"] + CurUserHostAddress(null) + "\\";
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if (!Directory.Exists(directory)) return new List<string>();
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var directoryInfo = new DirectoryInfo(directory);
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var storedFiles = directoryInfo.GetFiles("*.*", SearchOption.TopDirectoryOnly).Select(fileInfo => fileInfo.Name).ToList();
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return storedFiles;
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}
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}
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} |