Example #1
0
        private ItemNameValueCollection ExecPathFromFile(File file, string path)
        {
            FileMarker.RemoveMarkAsNew(file);

            var title = file.Title;

            if (_files.ContainsKey(file.ID.ToString()))
            {
                var convertToExt = string.Empty;
                if (_quotaDocsEdition || FileUtility.InternalExtension.Values.Contains(convertToExt))
                {
                    convertToExt = _files[file.ID.ToString()];
                }

                if (!string.IsNullOrEmpty(convertToExt))
                {
                    title = FileUtility.ReplaceFileExtension(title, convertToExt);
                }
            }

            var entriesPathId = new ItemNameValueCollection();

            entriesPathId.Add(path + title, file.ID.ToString());

            return(entriesPathId);
        }
        protected override void Do()
        {
            var entries = new List <FileEntry>();

            if (Folders.Any())
            {
                entries.AddRange(FolderDao.GetFolders(Folders.ToArray()));
            }
            if (Files.Any())
            {
                entries.AddRange(FileDao.GetFiles(Files.ToArray()));
            }
            entries.ForEach(x =>
            {
                CancellationToken.ThrowIfCancellationRequested();

                FileMarker.RemoveMarkAsNew(x, ((IAccount)Thread.CurrentPrincipal.Identity).ID);

                if (x.FileEntryType == FileEntryType.File)
                {
                    ProcessedFile(x.ID.ToString());
                }
                else
                {
                    ProcessedFolder(x.ID.ToString());
                }
                ProgressStep();
            });

            var newrootfolder = FileMarker
                                .GetRootFoldersIdMarkedAsNew()
                                .Select(item => string.Format("new_{{\"key\"? \"{0}\", \"value\"? \"{1}\"}}", item.Key, item.Value));

            Status += string.Join(SPLIT_CHAR, newrootfolder.ToArray());
        }
Example #3
0
        private ItemNameValueCollection GetFilesInFolders(IEnumerable <object> folderIds, string path)
        {
            CancellationToken.ThrowIfCancellationRequested();

            var entriesPathId = new ItemNameValueCollection();

            foreach (var folderId in folderIds)
            {
                var folder = FolderDao.GetFolder(folderId);
                if (folder == null || !FilesSecurity.CanRead(folder))
                {
                    continue;
                }
                var folderPath = path + folder.Title + "/";

                var files = FileDao.GetFiles(folder.ID, null, FilterType.None, Guid.Empty, string.Empty);
                files = FilesSecurity.FilterRead(files).ToList();
                files.ForEach(file => entriesPathId.Add(ExecPathFromFile(file, folderPath)));

                FileMarker.RemoveMarkAsNew(folder);

                var nestedFolders = FolderDao.GetFolders(folder.ID);
                nestedFolders = FilesSecurity.FilterRead(nestedFolders).ToList();
                if (files.Count == 0 && nestedFolders.Count == 0)
                {
                    entriesPathId.Add(folderPath, String.Empty);
                }

                var filesInFolder = GetFilesInFolders(nestedFolders.ConvertAll(f => f.ID), folderPath);
                entriesPathId.Add(filesInFolder);
            }
            return(entriesPathId);
        }
        protected override void Do()
        {
            Percentage = 0;

            var entries = Enumerable.Empty <FileEntry>();

            if (Folders.Any())
            {
                entries = entries.Concat(FolderDao.GetFolders(Folders.ToArray()));
            }

            if (Files.Any())
            {
                entries = entries.Concat(FileDao.GetFiles(Files.ToArray()));
            }

            entries.ToList().ForEach(x =>
            {
                if (Canceled)
                {
                    return;
                }

                FileMarker.RemoveMarkAsNew(x, Owner);

                if (x is File)
                {
                    ProcessedFile(x.ID.ToString());
                    ResultedFile(x.ID.ToString());
                }
                else
                {
                    ProcessedFolder(x.ID.ToString());
                    ResultedFolder(x.ID.ToString());
                }

                ProgressStep();
            });

            var rootFolderIdAsNew =
                FileMarker.GetRootFoldersIdMarkedAsNew()
                .Select(item => string.Format("new_{{\"key\"? \"{0}\", \"value\"? \"{1}\"}}", item.Key, item.Value));

            Status += string.Join(SplitCharacter, rootFolderIdAsNew.ToArray());

            IsCompleted = true;
        }
Example #5
0
        private ItemNameValueCollection GetEntriesPathId()
        {
            var entriesPathId = new ItemNameValueCollection();

            if (0 < Files.Count)
            {
                var files = FileDao.GetFiles(Files.ToArray());
                files = FilesSecurity.FilterRead(files).ToList();
                files.ForEach(file => entriesPathId.Add(ExecPathFromFile(file, string.Empty)));
            }
            if (0 < Folders.Count)
            {
                FilesSecurity.FilterRead(FolderDao.GetFolders(Files.ToArray())).ToList().Cast <FileEntry>().ToList()
                .ForEach(folder => FileMarker.RemoveMarkAsNew(folder));

                var filesInFolder = GetFilesInFolders(Folders, string.Empty);
                entriesPathId.Add(filesInFolder);
            }
            return(entriesPathId);
        }
Example #6
0
        private ItemNameValueCollection GetEntriesPathId(out List <File> filesForSend, out List <Folder> folderForSend)
        {
            filesForSend  = new List <File>();
            folderForSend = new List <Folder>();

            var entriesPathId = new ItemNameValueCollection();

            if (0 < Files.Count)
            {
                filesForSend = FilesSecurity.FilterDownload(FileDao.GetFiles(Files));
                filesForSend.ForEach(file => entriesPathId.Add(ExecPathFromFile(file, string.Empty)));
            }
            if (0 < Folders.Count)
            {
                folderForSend = FolderDao.GetFolders(Folders);
                folderForSend = FilesSecurity.FilterDownload(folderForSend);
                folderForSend.ForEach(folder => FileMarker.RemoveMarkAsNew(folder));

                var filesInFolder = GetFilesInFolders(folderForSend.Select(x => x.ID), string.Empty);
                entriesPathId.Add(filesInFolder);
            }

            if (Folders.Count == 1 && Files.Count == 0)
            {
                var entriesPathIdWithoutRoot = new ItemNameValueCollection();

                foreach (var path in entriesPathId.AllKeys)
                {
                    entriesPathIdWithoutRoot.Add(path.Remove(0, path.IndexOf('/') + 1), entriesPathId[path]);
                }

                return(entriesPathIdWithoutRoot);
            }

            return(entriesPathId);
        }
        private void PageLoad()
        {
            var editPossible = !RequestEmbedded;
            var isExtenral   = false;

            File file;
            var  fileUri = string.Empty;

            try
            {
                if (string.IsNullOrEmpty(RequestFileUrl))
                {
                    var app = ThirdPartySelector.GetAppByFileId(RequestFileId);
                    if (app == null)
                    {
                        file = DocumentServiceHelper.GetParams(RequestFileId, RequestVersion, RequestShareLinkKey, editPossible, !RequestView, true, out _configuration);
                        if (_valideShareLink)
                        {
                            _configuration.Document.SharedLinkKey += RequestShareLinkKey;
                            _configuration.Document.Info.Favorite  = null;

                            if (CoreContext.Configuration.Personal && !SecurityContext.IsAuthenticated)
                            {
                                var user    = CoreContext.UserManager.GetUsers(file.CreateBy);
                                var culture = CultureInfo.GetCultureInfo(user.CultureName);
                                Thread.CurrentThread.CurrentCulture   = culture;
                                Thread.CurrentThread.CurrentUICulture = culture;
                            }
                        }
                    }
                    else
                    {
                        isExtenral = true;

                        bool editable;
                        _thirdPartyApp = true;
                        file           = app.GetFile(RequestFileId, out editable);
                        file           = DocumentServiceHelper.GetParams(file, true, editPossible ? FileShare.ReadWrite : FileShare.Read, false, editable, editable, editable, true, out _configuration);

                        _configuration.Document.Url = app.GetFileStreamUrl(file);
                        _configuration.EditorConfig.Customization.GobackUrl = string.Empty;
                        _configuration.Document.Info.Favorite = null;
                    }
                }
                else
                {
                    isExtenral = true;

                    fileUri = RequestFileUrl;
                    var fileTitle = Request[FilesLinkUtility.FileTitle];
                    if (string.IsNullOrEmpty(fileTitle))
                    {
                        fileTitle = Path.GetFileName(HttpUtility.UrlDecode(fileUri)) ?? "";
                    }

                    file = new File
                    {
                        ID    = RequestFileUrl,
                        Title = Global.ReplaceInvalidCharsAndTruncate(fileTitle)
                    };

                    file = DocumentServiceHelper.GetParams(file, true, FileShare.Read, false, false, false, false, false, out _configuration);
                    _configuration.Document.Permissions.Edit          = editPossible && !CoreContext.Configuration.Standalone;
                    _configuration.Document.Permissions.Rename        = false;
                    _configuration.Document.Permissions.Review        = false;
                    _configuration.Document.Permissions.FillForms     = false;
                    _configuration.Document.Permissions.ChangeHistory = false;
                    _configuration.Document.Permissions.ModifyFilter  = false;
                    _editByUrl = true;

                    _configuration.Document.Url           = fileUri;
                    _configuration.Document.Info.Favorite = null;
                }
                ErrorMessage = _configuration.ErrorMessage;
            }
            catch (Exception ex)
            {
                Global.Logger.Warn("DocEditor", ex);
                ErrorMessage = ex.Message;
                return;
            }

            var        userAgent      = Request.UserAgent.ToString().ToLower();
            HttpCookie deeplinkCookie = Request.Cookies.Get("deeplink");
            var        deepLink       = ConfigurationManagerExtension.AppSettings["deeplink.documents.url"];

            if (!_valideShareLink &&
                deepLink != null && MobileDetector.IsMobile &&
                ((!userAgent.Contains("version/") && userAgent.Contains("android")) || !userAgent.Contains("android")) &&       //check webkit
                ((Request[DeepLinking.WithoutDeeplinkRedirect] == null && deeplinkCookie == null) ||
                 Request[DeepLinking.WithoutDeeplinkRedirect] == null && deeplinkCookie != null && deeplinkCookie.Value == "app"))
            {
                var          currentUser  = CoreContext.UserManager.GetUsers(SecurityContext.CurrentAccount.ID);
                DeepLinkData deepLinkData = new DeepLinkData
                {
                    Email  = currentUser.Email,
                    Portal = CoreContext.TenantManager.GetCurrentTenant().TenantDomain,
                    File   = new DeepLinkDataFile
                    {
                        Id        = file.ID.ToString(),
                        Title     = file.Title,
                        Extension = file.ConvertedExtension
                    },
                    Folder = new DeepLinkDataFolder
                    {
                        Id             = file.FolderID.ToString(),
                        ParentId       = file.RootFolderId.ToString(),
                        RootFolderType = (int)file.RootFolderType
                    },
                    OriginalUrl = Request.GetUrlRewriter().ToString()
                };

                var    jsonDeeplinkData   = JsonConvert.SerializeObject(deepLinkData);
                string base64DeeplinkData = Convert.ToBase64String(Encoding.UTF8.GetBytes(jsonDeeplinkData));

                Response.Redirect("~/DeepLink.aspx?data=" + HttpUtility.UrlEncode(base64DeeplinkData));
            }


            if (_configuration.EditorConfig.ModeWrite && FileConverter.MustConvert(file))
            {
                try
                {
                    file = FileConverter.ExecSync(file, RequestShareLinkKey);
                }
                catch (Exception ex)
                {
                    _configuration = null;
                    Global.Logger.Error("DocEditor", ex);
                    ErrorMessage = ex.Message;
                    return;
                }

                var comment = "#message/" + HttpUtility.UrlEncode(string.Format(FilesCommonResource.ConvertForEdit, file.Title));

                Response.Redirect(FilesLinkUtility.GetFileWebEditorUrl(file.ID) + comment);
                return;
            }

            var fileSecurity = Global.GetFilesSecurity();

            if (_configuration.EditorConfig.ModeWrite &&
                FileUtility.CanWebRestrictedEditing(file.Title) &&
                fileSecurity.CanFillForms(file) &&
                !fileSecurity.CanEdit(file))
            {
                if (!file.IsFillFormDraft)
                {
                    FileMarker.RemoveMarkAsNew(file);

                    Folder folderIfNew;
                    try
                    {
                        file = EntryManager.GetFillFormDraft(file, out folderIfNew);
                    }
                    catch (Exception ex)
                    {
                        _configuration = null;
                        Global.Logger.Error("DocEditor", ex);
                        ErrorMessage = ex.Message;
                        return;
                    }

                    var comment = folderIfNew == null
                        ? string.Empty
                        : "#message/" + HttpUtility.UrlEncode(string.Format(FilesCommonResource.MessageFillFormDraftCreated, folderIfNew.Title));

                    Response.Redirect(FilesLinkUtility.GetFileWebEditorUrl(file.ID) + comment);
                    return;
                }
                else if (!EntryManager.CheckFillFormDraft(file))
                {
                    var comment = "#message/" + HttpUtility.UrlEncode(FilesCommonResource.MessageFillFormDraftDiscard);

                    Response.Redirect(FilesLinkUtility.GetFileWebEditorUrl(file.ID) + comment);
                    return;
                }
            }

            Title = file.Title + GetPageTitlePostfix();

            if (_configuration.EditorConfig.Customization.Goback == null || string.IsNullOrEmpty(_configuration.EditorConfig.Customization.Goback.Url))
            {
                _configuration.EditorConfig.Customization.GobackUrl = Request[FilesLinkUtility.FolderUrl] ?? "";
            }

            _configuration.EditorConfig.Customization.IsRetina = TenantLogoManager.IsRetina(Request);

            if (RequestEmbedded)
            {
                _configuration.Type = Services.DocumentService.Configuration.EditorType.Embedded;

                _configuration.EditorConfig.Embedded.ShareLinkParam = string.IsNullOrEmpty(RequestShareLinkKey) ? string.Empty : "&" + FilesLinkUtility.DocShareKey + "=" + RequestShareLinkKey;
            }
            else
            {
                _configuration.Type = IsMobile ? Services.DocumentService.Configuration.EditorType.Mobile : Services.DocumentService.Configuration.EditorType.Desktop;

                if (FileSharing.CanSetAccess(file) &&
                    !(file.Encrypted &&
                      (!Request.DesktopApp() ||
                       CoreContext.Configuration.Personal)))
                {
                    _configuration.EditorConfig.SharingSettingsUrl = CommonLinkUtility.GetFullAbsolutePath(
                        Share.Location
                        + "?" + FilesLinkUtility.FileId + "=" + HttpUtility.UrlEncode(file.ID.ToString())
                        + (Request.DesktopApp() ? "&desktop=true" : string.Empty));
                }

                if (file.RootFolderType == FolderType.Privacy)
                {
                    if (!PrivacyRoomSettings.Enabled)
                    {
                        _configuration = null;
                        ErrorMessage   = FilesCommonResource.ErrorMassage_FileNotFound;
                        return;
                    }
                    else
                    {
                        if (Request.DesktopApp())
                        {
                            var keyPair = EncryptionKeyPair.GetKeyPair();
                            if (keyPair != null)
                            {
                                _configuration.EditorConfig.EncryptionKeys = new Services.DocumentService.Configuration.EditorConfiguration.EncryptionKeysConfig
                                {
                                    PrivateKeyEnc = keyPair.PrivateKeyEnc,
                                    PublicKey     = keyPair.PublicKey,
                                };
                            }
                        }
                    }
                }
            }

            if (!isExtenral)
            {
                _docKeyForTrack = DocumentServiceHelper.GetDocKey(file.ID, -1, DateTime.MinValue);

                FileMarker.RemoveMarkAsNew(file);
                if (!file.Encrypted && !file.ProviderEntry)
                {
                    EntryManager.MarkAsRecent(file);
                }

                if (RequestView)
                {
                    FilesMessageService.Send(file, MessageInitiator.DocsService, MessageAction.FileReaded, file.Title);
                }
                else
                {
                    FilesMessageService.Send(file, MessageInitiator.DocsService, MessageAction.FileOpenedForChange, file.Title);
                }
            }

            if (SecurityContext.IsAuthenticated)
            {
                var saveAsUrl = SaveAs.GetUrl;
                using (var folderDao = Global.DaoFactory.GetFolderDao())
                {
                    var folder = folderDao.GetFolder(file.FolderID);
                    if (folder != null && Global.GetFilesSecurity().CanCreate(folder))
                    {
                        saveAsUrl = SaveAs.GetUrlToFolder(file.FolderID);
                    }
                }

                _configuration.EditorConfig.SaveAsUrl = CommonLinkUtility.GetFullAbsolutePath(saveAsUrl);
            }

            if (_configuration.EditorConfig.ModeWrite)
            {
                _tabId = FileTracker.Add(file.ID);

                Global.SocketManager.FilesChangeEditors(file.ID);

                if (SecurityContext.IsAuthenticated)
                {
                    _configuration.EditorConfig.FileChoiceUrl = CommonLinkUtility.GetFullAbsolutePath(FileChoice.GetUrlForEditor);
                }
            }
            else
            {
                _linkToEdit = _editByUrl
                                  ? CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.GetFileWebEditorExternalUrl(fileUri, file.Title))
                                  : CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.GetFileWebEditorUrl(file.ID));
                if (Request.DesktopApp())
                {
                    _linkToEdit += "&desktop=true";
                }

                if (FileConverter.MustConvert(_configuration.Document.Info.File))
                {
                    _editByUrl = true;
                }
            }

            var actionAnchor = Request[FilesLinkUtility.Anchor];

            if (!string.IsNullOrEmpty(actionAnchor))
            {
                _configuration.EditorConfig.ActionLinkString = actionAnchor;
            }
        }
Example #8
0
        private static void DownloadFile(HttpContext context)
        {
            var flushed = false;

            try
            {
                var id  = context.Request[FilesLinkUtility.FileId];
                var doc = context.Request[FilesLinkUtility.DocShareKey] ?? "";

                using (var fileDao = Global.DaoFactory.GetFileDao())
                {
                    File file;
                    var  readLink = FileShareLink.Check(doc, true, fileDao, out file);
                    if (!readLink && file == null)
                    {
                        fileDao.InvalidateCache(id);

                        int version;
                        file = int.TryParse(context.Request[FilesLinkUtility.Version], out version) && version > 0
                                   ? fileDao.GetFile(id, version)
                                   : fileDao.GetFile(id);
                    }

                    if (file == null)
                    {
                        context.Response.StatusCode = (int)HttpStatusCode.NotFound;

                        return;
                    }

                    if (!readLink && !Global.GetFilesSecurity().CanRead(file))
                    {
                        context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
                        return;
                    }

                    if (!string.IsNullOrEmpty(file.Error))
                    {
                        throw new Exception(file.Error);
                    }

                    if (!fileDao.IsExistOnStorage(file))
                    {
                        Global.Logger.ErrorFormat("Download file error. File is not exist on storage. File id: {0}.", file.ID);
                        context.Response.StatusCode = (int)HttpStatusCode.NotFound;

                        return;
                    }

                    FileMarker.RemoveMarkAsNew(file);

                    context.Response.Clear();
                    context.Response.ClearHeaders();
                    context.Response.Charset = "utf-8";

                    var title = file.Title.Replace(',', '_');

                    var ext = FileUtility.GetFileExtension(file.Title);

                    var outType = context.Request[FilesLinkUtility.OutType];

                    if (!string.IsNullOrEmpty(outType))
                    {
                        outType = outType.Trim();
                        if (FileUtility.ExtsConvertible[ext].Contains(outType))
                        {
                            ext = outType;

                            title = FileUtility.ReplaceFileExtension(title, ext);
                        }
                    }

                    context.Response.AddHeader("Content-Disposition", ContentDispositionUtil.GetHeaderValue(title));
                    context.Response.ContentType = MimeMapping.GetMimeMapping(title);

                    //// Download file via nginx
                    //if (CoreContext.Configuration.Standalone &&
                    //    WorkContext.IsMono &&
                    //    Global.GetStore() is DiscDataStore &&
                    //    !file.ProviderEntry &&
                    //    !FileConverter.EnableConvert(file, ext)
                    //    )
                    //{
                    //    var diskDataStore = (DiscDataStore)Global.GetStore();

                    //    var pathToFile = diskDataStore.GetPhysicalPath(String.Empty, FileDao.GetUniqFilePath(file));

                    //    context.Response.Headers.Add("X-Accel-Redirect", "/filesData" + pathToFile);

                    //    FilesMessageService.Send(file, context.Request, MessageAction.FileDownloaded, file.Title);

                    //    return;
                    //}

                    if (string.Equals(context.Request.Headers["If-None-Match"], GetEtag(file)))
                    {
                        //Its cached. Reply 304
                        context.Response.StatusCode = (int)HttpStatusCode.NotModified;
                        context.Response.Cache.SetETag(GetEtag(file));
                    }
                    else
                    {
                        context.Response.CacheControl = "public";
                        context.Response.Cache.SetETag(GetEtag(file));
                        context.Response.Cache.SetCacheability(HttpCacheability.Public);

                        Stream fileStream = null;

                        try
                        {
                            if (file.ContentLength <= SetupInfo.AvailableFileSize)
                            {
                                if (!FileConverter.EnableConvert(file, ext))
                                {
                                    if (!readLink && fileDao.IsSupportedPreSignedUri(file))
                                    {
                                        context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);

                                        return;
                                    }

                                    fileStream = fileDao.GetFileStream(file);
                                    context.Response.AddHeader("Content-Length", file.ContentLength.ToString(CultureInfo.InvariantCulture));
                                }
                                else
                                {
                                    fileStream = FileConverter.Exec(file, ext);
                                    context.Response.AddHeader("Content-Length", fileStream.Length.ToString(CultureInfo.InvariantCulture));
                                }

                                fileStream.StreamCopyTo(context.Response.OutputStream);

                                if (!context.Response.IsClientConnected)
                                {
                                    Global.Logger.Warn(String.Format("Download file error {0} {1} Connection is lost. Too long to buffer the file", file.Title, file.ID));
                                }

                                FilesMessageService.Send(file, context.Request, MessageAction.FileDownloaded, file.Title);

                                context.Response.Flush();
                                flushed = true;
                            }
                            else
                            {
                                context.Response.Buffer = false;

                                context.Response.ContentType = "application/octet-stream";

                                long offset = 0;

                                if (context.Request.Headers["Range"] != null)
                                {
                                    context.Response.StatusCode = 206;
                                    var range = context.Request.Headers["Range"].Split(new[] { '=', '-' });
                                    offset = Convert.ToInt64(range[1]);
                                }

                                if (offset > 0)
                                {
                                    Global.Logger.Info("Starting file download offset is " + offset);
                                }

                                context.Response.AddHeader("Connection", "Keep-Alive");
                                context.Response.AddHeader("Accept-Ranges", "bytes");

                                if (offset > 0)
                                {
                                    context.Response.AddHeader("Content-Range", String.Format(" bytes {0}-{1}/{2}", offset, file.ContentLength - 1, file.ContentLength));
                                }

                                var       dataToRead = file.ContentLength;
                                const int bufferSize = 8 * 1024; // 8KB
                                var       buffer     = new Byte[bufferSize];

                                if (!FileConverter.EnableConvert(file, ext))
                                {
                                    if (!readLink && fileDao.IsSupportedPreSignedUri(file))
                                    {
                                        context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);

                                        return;
                                    }

                                    fileStream = fileDao.GetFileStream(file, offset);
                                    context.Response.AddHeader("Content-Length", (file.ContentLength - offset).ToString(CultureInfo.InvariantCulture));
                                }
                                else
                                {
                                    fileStream = FileConverter.Exec(file, ext);

                                    if (offset > 0)
                                    {
                                        var startBytes = offset;

                                        while (startBytes > 0)
                                        {
                                            long readCount;

                                            if (bufferSize >= startBytes)
                                            {
                                                readCount = startBytes;
                                            }
                                            else
                                            {
                                                readCount = bufferSize;
                                            }

                                            var length = fileStream.Read(buffer, 0, (int)readCount);

                                            startBytes -= length;
                                        }
                                    }
                                }

                                while (dataToRead > 0)
                                {
                                    int length;

                                    try
                                    {
                                        length = fileStream.Read(buffer, 0, bufferSize);
                                    }
                                    catch (HttpException exception)
                                    {
                                        Global.Logger.Error(
                                            String.Format("Read from stream is error. Download file {0} {1}. Maybe Connection is lost.?? Error is {2} ",
                                                          file.Title,
                                                          file.ID,
                                                          exception
                                                          ));

                                        throw;
                                    }

                                    if (context.Response.IsClientConnected)
                                    {
                                        context.Response.OutputStream.Write(buffer, 0, length);
                                        context.Response.Flush();
                                        flushed    = true;
                                        dataToRead = dataToRead - length;
                                    }
                                    else
                                    {
                                        dataToRead = -1;
                                        Global.Logger.Warn(String.Format("IsClientConnected is false. Why? Download file {0} {1} Connection is lost. ", file.Title, file.ID));
                                    }
                                }
                            }
                        }
                        catch (ThreadAbortException)
                        {
                        }
                        catch (HttpException e)
                        {
                            throw new HttpException((int)HttpStatusCode.BadRequest, e.Message);
                        }
                        finally
                        {
                            if (fileStream != null)
                            {
                                fileStream.Close();
                                fileStream.Dispose();
                            }
                        }

                        try
                        {
                            context.Response.End();
                            flushed = true;
                        }
                        catch (HttpException)
                        {
                        }
                    }
                }
            }
            catch (ThreadAbortException)
            {
            }
            catch (Exception ex)
            {
                // Get stack trace for the exception with source file information
                var st = new StackTrace(ex, true);
                // Get the top stack frame
                var frame = st.GetFrame(0);
                // Get the line number from the stack frame
                var line = frame.GetFileLineNumber();

                Global.Logger.ErrorFormat("Url: {0} {1} IsClientConnected:{2}, line number:{3} frame:{4}", context.Request.Url, ex, context.Response.IsClientConnected, line, frame);
                if (!flushed && context.Response.IsClientConnected)
                {
                    context.Response.StatusCode = 400;
                    context.Response.Write(HttpUtility.HtmlEncode(ex.Message));
                }
            }
        }
        private void PageLoad()
        {
            var editPossible = !RequestEmbedded;
            var isExtenral   = false;

            File file;
            var  fileUri = string.Empty;

            try
            {
                if (string.IsNullOrEmpty(RequestFileUrl))
                {
                    var app = ThirdPartySelector.GetAppByFileId(RequestFileId);
                    if (app == null)
                    {
                        var ver = string.IsNullOrEmpty(Request[FilesLinkUtility.Version]) ? -1 : Convert.ToInt32(Request[FilesLinkUtility.Version]);
                        file = DocumentServiceHelper.GetParams(RequestFileId, ver, RequestShareLinkKey, editPossible, !RequestView, true, out _configuration);
                    }
                    else
                    {
                        isExtenral = true;

                        bool editable;
                        _thirdPartyApp = true;
                        file           = app.GetFile(RequestFileId, out editable);
                        file           = DocumentServiceHelper.GetParams(file, true, editPossible ? FileShare.ReadWrite : FileShare.Read, false, editable, editable, editable, true, out _configuration);

                        _configuration.Document.Url = app.GetFileStreamUrl(file);
                        _configuration.EditorConfig.Customization.GobackUrl = string.Empty;
                    }
                }
                else
                {
                    isExtenral = true;

                    fileUri = RequestFileUrl;
                    var fileTitle = Request[FilesLinkUtility.FileTitle];
                    if (string.IsNullOrEmpty(fileTitle))
                    {
                        fileTitle = Path.GetFileName(HttpUtility.UrlDecode(fileUri)) ?? "";
                    }

                    if (CoreContext.Configuration.Standalone)
                    {
                        try
                        {
                            var webRequest = (HttpWebRequest)WebRequest.Create(RequestFileUrl);

                            // hack. http://ubuntuforums.org/showthread.php?t=1841740
                            if (WorkContext.IsMono)
                            {
                                ServicePointManager.ServerCertificateValidationCallback += (s, ce, ca, p) => true;
                            }

                            using (var response = webRequest.GetResponse())
                                using (var responseStream = new ResponseStream(response))
                                {
                                    var externalFileKey = DocumentServiceConnector.GenerateRevisionId(RequestFileUrl);
                                    fileUri = DocumentServiceConnector.GetExternalUri(responseStream, MimeMapping.GetMimeMapping(fileTitle), externalFileKey);
                                }
                        }
                        catch (Exception error)
                        {
                            Global.Logger.Error("Cannot receive external url for \"" + RequestFileUrl + "\"", error);
                        }
                    }

                    file = new File
                    {
                        ID    = RequestFileUrl,
                        Title = Global.ReplaceInvalidCharsAndTruncate(fileTitle)
                    };

                    file = DocumentServiceHelper.GetParams(file, true, FileShare.Read, false, false, false, false, false, out _configuration);
                    _configuration.Document.Permissions.Edit          = editPossible && !CoreContext.Configuration.Standalone;
                    _configuration.Document.Permissions.Rename        = false;
                    _configuration.Document.Permissions.Review        = false;
                    _configuration.Document.Permissions.ChangeHistory = false;
                    _editByUrl = true;

                    _configuration.Document.Url = fileUri;
                }
                ErrorMessage = _configuration.ErrorMessage;
            }
            catch (Exception ex)
            {
                Global.Logger.Warn("DocEditor", ex);
                ErrorMessage = ex.Message;
                return;
            }

            if (_configuration.EditorConfig.ModeWrite && FileConverter.MustConvert(file))
            {
                try
                {
                    file = FileConverter.ExecDuplicate(file, RequestShareLinkKey);
                }
                catch (Exception ex)
                {
                    _configuration = null;
                    Global.Logger.Error("DocEditor", ex);
                    ErrorMessage = ex.Message;
                    return;
                }

                var comment = "#message/" + HttpUtility.UrlEncode(FilesCommonResource.CopyForEdit);

                Response.Redirect(FilesLinkUtility.GetFileWebEditorUrl(file.ID) + comment);
                return;
            }

            Title = file.Title;

            if (_configuration.EditorConfig.Customization.Goback == null || string.IsNullOrEmpty(_configuration.EditorConfig.Customization.Goback.Url))
            {
                _configuration.EditorConfig.Customization.GobackUrl = Request[FilesLinkUtility.FolderUrl] ?? "";
            }

            _configuration.EditorConfig.Customization.IsRetina = TenantLogoManager.IsRetina(Request);

            if (RequestEmbedded)
            {
                _configuration.Type = Services.DocumentService.Configuration.EditorType.Embedded;

                _configuration.EditorConfig.Embedded.ShareLinkParam = string.IsNullOrEmpty(RequestShareLinkKey) ? string.Empty : "&" + FilesLinkUtility.DocShareKey + "=" + RequestShareLinkKey;
            }
            else
            {
                _configuration.Type = IsMobile ? Services.DocumentService.Configuration.EditorType.Mobile : Services.DocumentService.Configuration.EditorType.Desktop;

                if (FileSharing.CanSetAccess(file))
                {
                    _configuration.EditorConfig.SharingSettingsUrl = CommonLinkUtility.GetFullAbsolutePath(Share.Location + "?" + FilesLinkUtility.FileId + "=" + file.ID);
                }
            }

            if (!isExtenral)
            {
                _docKeyForTrack = DocumentServiceHelper.GetDocKey(file.ID, -1, DateTime.MinValue);

                FileMarker.RemoveMarkAsNew(file);
            }

            if (_configuration.EditorConfig.ModeWrite)
            {
                _tabId = FileTracker.Add(file.ID);
                if (SecurityContext.IsAuthenticated)
                {
                    _configuration.EditorConfig.FileChoiceUrl  = CommonLinkUtility.GetFullAbsolutePath(FileChoice.Location) + "?" + FileChoice.ParamFilterExt + "=xlsx&" + FileChoice.MailMergeParam + "=true";
                    _configuration.EditorConfig.MergeFolderUrl = CommonLinkUtility.GetFullAbsolutePath(MailMerge.GetUrl);
                }
            }
            else
            {
                _linkToEdit = _editByUrl
                                  ? CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.GetFileWebEditorExternalUrl(fileUri, file.Title))
                                  : CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.GetFileWebEditorUrl(file.ID));

                if (FileConverter.MustConvert(_configuration.Document.Info.File))
                {
                    _editByUrl = true;
                }
            }
        }
        private void PageLoad()
        {
            var editPossible = !RequestEmbedded && !IsMobile;
            var isExtenral   = false;

            File file;
            var  fileUri = string.Empty;

            if (!ItsTry)
            {
                try
                {
                    if (string.IsNullOrEmpty(RequestFileUrl))
                    {
                        _fileNew = (Request["new"] ?? "") == "true";

                        var app = ThirdPartySelector.GetAppByFileId(RequestFileId);
                        if (app == null)
                        {
                            var ver = string.IsNullOrEmpty(Request[FilesLinkUtility.Version]) ? -1 : Convert.ToInt32(Request[FilesLinkUtility.Version]);

                            file = DocumentServiceHelper.GetParams(RequestFileId, ver, RequestShareLinkKey, _fileNew, editPossible, !RequestView, out _docParams);

                            _fileNew = _fileNew && file.Version == 1 && file.ConvertedType != null && file.CreateOn == file.ModifiedOn;
                        }
                        else
                        {
                            isExtenral = true;

                            bool editable;
                            ThirdPartyApp = true;
                            file          = app.GetFile(RequestFileId, out editable);
                            file          = DocumentServiceHelper.GetParams(file, true, true, true, editable, editable, editable, out _docParams);

                            _docParams.FileUri   = app.GetFileStreamUrl(file);
                            _docParams.FolderUrl = string.Empty;
                        }
                    }
                    else
                    {
                        isExtenral = true;

                        fileUri = RequestFileUrl;
                        var fileTitle = Request[FilesLinkUtility.FileTitle];
                        if (string.IsNullOrEmpty(fileTitle))
                        {
                            fileTitle = Path.GetFileName(HttpUtility.UrlDecode(fileUri)) ?? "";
                        }

                        if (CoreContext.Configuration.Standalone)
                        {
                            try
                            {
                                var webRequest = WebRequest.Create(RequestFileUrl);
                                using (var response = webRequest.GetResponse())
                                    using (var responseStream = new ResponseStream(response))
                                    {
                                        var externalFileKey = DocumentServiceConnector.GenerateRevisionId(RequestFileUrl);
                                        fileUri = DocumentServiceConnector.GetExternalUri(responseStream, MimeMapping.GetMimeMapping(fileTitle), externalFileKey);
                                    }
                            }
                            catch (Exception error)
                            {
                                Global.Logger.Error("Cannot receive external url for \"" + RequestFileUrl + "\"", error);
                            }
                        }

                        file = new File
                        {
                            ID    = RequestFileUrl,
                            Title = Global.ReplaceInvalidCharsAndTruncate(fileTitle)
                        };

                        file = DocumentServiceHelper.GetParams(file, true, true, true, false, false, false, out _docParams);
                        _docParams.CanEdit = editPossible && !CoreContext.Configuration.Standalone;
                        _editByUrl         = true;

                        _docParams.FileUri = fileUri;
                    }
                }
                catch (Exception ex)
                {
                    _errorMessage = ex.Message;
                    return;
                }
            }
            else
            {
                FileType tryType;
                try
                {
                    tryType = (FileType)Enum.Parse(typeof(FileType), Request[FilesLinkUtility.TryParam]);
                }
                catch
                {
                    tryType = FileType.Document;
                }

                var path = "demo";
                if (!IsMobile)
                {
                    path = FileConstant.NewDocPath + CultureInfo.CurrentUICulture.TwoLetterISOLanguageName + "/";
                    if (!Global.GetStoreTemplate().IsDirectory(path))
                    {
                        path = FileConstant.NewDocPath + "default/";
                    }

                    path += "new";
                }

                path += FileUtility.InternalExtension[tryType];

                var store = Global.GetStoreTemplate();
                fileUri = store.GetUri("", path).ToString();

                var fileTitle = "Demo" + FileUtility.InternalExtension[tryType];
                file = new File
                {
                    ID    = Guid.NewGuid(),
                    Title = Global.ReplaceInvalidCharsAndTruncate(fileTitle)
                };

                file = DocumentServiceHelper.GetParams(file, true, true, true, editPossible, editPossible, true, out _docParams);

                _docParams.FileUri = CommonLinkUtility.GetFullAbsolutePath(fileUri);
                _editByUrl         = true;
                _docParams.Lang    = CultureInfo.CurrentUICulture.Name;
            }

            if (_docParams.ModeWrite && FileConverter.MustConvert(file))
            {
                try
                {
                    file = FileConverter.ExecDuplicate(file, RequestShareLinkKey);
                }
                catch (Exception e)
                {
                    _docParams    = null;
                    _errorMessage = e.Message;
                    return;
                }

                var comment = "#message/" + HttpUtility.UrlEncode(FilesCommonResource.CopyForEdit);

                Response.Redirect(FilesLinkUtility.GetFileWebEditorUrl(file.ID) + comment);
                return;
            }

            Title = HeaderStringHelper.GetPageTitle(file.Title);

            _newScheme = FileUtility.ExtsNewService.Contains(FileUtility.GetFileExtension(file.Title));
            if (_newScheme)
            {
                DocServiceApiUrl = FilesLinkUtility.DocServiceApiUrlNew;
            }

            if (string.IsNullOrEmpty(_docParams.FolderUrl))
            {
                _docParams.FolderUrl = Request[FilesLinkUtility.FolderUrl] ?? "";
            }
            if (MobileDetector.IsRequestMatchesMobile(true))
            {
                _docParams.FolderUrl = string.Empty;
            }

            if (RequestEmbedded)
            {
                _docParams.Type = DocumentServiceParams.EditorType.Embedded;

                var shareLinkParam = "&" + FilesLinkUtility.DocShareKey + "=" + RequestShareLinkKey;
                _docParams.ViewerUrl   = CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.FilesBaseAbsolutePath + FilesLinkUtility.EditorPage + "?" + FilesLinkUtility.Action + "=view" + shareLinkParam);
                _docParams.DownloadUrl = CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.FileHandlerPath + "?" + FilesLinkUtility.Action + "=download" + shareLinkParam);
                _docParams.EmbeddedUrl = CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.FilesBaseAbsolutePath + FilesLinkUtility.EditorPage + "?" + FilesLinkUtility.Action + "=embedded" + shareLinkParam);
            }
            else
            {
                _docParams.Type = IsMobile ? DocumentServiceParams.EditorType.Mobile : DocumentServiceParams.EditorType.Desktop;

                if (FileSharing.CanSetAccess(file))
                {
                    _docParams.SharingSettingsUrl = CommonLinkUtility.GetFullAbsolutePath(Share.Location + "?" + FilesLinkUtility.FileId + "=" + file.ID);
                }
            }

            if (!isExtenral)
            {
                _docKeyForTrack = DocumentServiceHelper.GetDocKey(file.ID, -1, DateTime.MinValue);

                if (!ItsTry)
                {
                    FileMarker.RemoveMarkAsNew(file);
                }
            }

            if (_docParams.ModeWrite)
            {
                _tabId        = FileTracker.Add(file.ID, _fileNew);
                _fixedVersion = FileTracker.FixedVersion(file.ID);

                if (ItsTry)
                {
                    AppendAuthControl();
                }
            }
            else
            {
                _docParams.LinkToEdit = _editByUrl
                                            ? CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.GetFileWebEditorExternalUrl(fileUri, file.Title))
                                            : FileConverter.MustConvert(_docParams.File) || _newScheme
                                                  ? CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.GetFileWebEditorUrl(file.ID))
                                                  : string.Empty;
            }

            if (CoreContext.Configuration.Personal && IsMobile)
            {
                _docParams.CanEdit = false;
            }
        }
        private void PageLoad()
        {
            var editPossible = !RequestEmbedded;
            var isExtenral   = false;

            File file;
            var  fileUri = string.Empty;

            try
            {
                if (string.IsNullOrEmpty(RequestFileUrl))
                {
                    var app = ThirdPartySelector.GetAppByFileId(RequestFileId);
                    if (app == null)
                    {
                        file = DocumentServiceHelper.GetParams(RequestFileId, RequestVersion, RequestShareLinkKey, editPossible, !RequestView, true, out _configuration);
                        if (_valideShareLink)
                        {
                            _configuration.Document.SharedLinkKey += RequestShareLinkKey;

                            if (CoreContext.Configuration.Personal && !SecurityContext.IsAuthenticated)
                            {
                                var user    = CoreContext.UserManager.GetUsers(file.CreateBy);
                                var culture = CultureInfo.GetCultureInfo(user.CultureName);
                                Thread.CurrentThread.CurrentCulture   = culture;
                                Thread.CurrentThread.CurrentUICulture = culture;
                            }
                        }
                    }
                    else
                    {
                        isExtenral = true;

                        bool editable;
                        _thirdPartyApp = true;
                        file           = app.GetFile(RequestFileId, out editable);
                        file           = DocumentServiceHelper.GetParams(file, true, editPossible ? FileShare.ReadWrite : FileShare.Read, false, editable, editable, editable, true, out _configuration);

                        _configuration.Document.Url = app.GetFileStreamUrl(file);
                        _configuration.EditorConfig.Customization.GobackUrl = string.Empty;
                    }
                }
                else
                {
                    isExtenral = true;

                    fileUri = RequestFileUrl;
                    var fileTitle = Request[FilesLinkUtility.FileTitle];
                    if (string.IsNullOrEmpty(fileTitle))
                    {
                        fileTitle = Path.GetFileName(HttpUtility.UrlDecode(fileUri)) ?? "";
                    }

                    file = new File
                    {
                        ID    = RequestFileUrl,
                        Title = Global.ReplaceInvalidCharsAndTruncate(fileTitle)
                    };

                    file = DocumentServiceHelper.GetParams(file, true, FileShare.Read, false, false, false, false, false, out _configuration);
                    _configuration.Document.Permissions.Edit          = editPossible && !CoreContext.Configuration.Standalone;
                    _configuration.Document.Permissions.Rename        = false;
                    _configuration.Document.Permissions.Review        = false;
                    _configuration.Document.Permissions.FillForms     = false;
                    _configuration.Document.Permissions.ChangeHistory = false;
                    _editByUrl = true;

                    _configuration.Document.Url = fileUri;
                }
                ErrorMessage = _configuration.ErrorMessage;
            }
            catch (Exception ex)
            {
                Global.Logger.Warn("DocEditor", ex);
                ErrorMessage = ex.Message;
                return;
            }

            if (_configuration.EditorConfig.ModeWrite && FileConverter.MustConvert(file))
            {
                try
                {
                    file = FileConverter.ExecSync(file, RequestShareLinkKey);
                }
                catch (Exception ex)
                {
                    _configuration = null;
                    Global.Logger.Error("DocEditor", ex);
                    ErrorMessage = ex.Message;
                    return;
                }

                var comment = "#message/" + HttpUtility.UrlEncode(string.Format(FilesCommonResource.ConvertForEdit, file.Title));

                Response.Redirect(FilesLinkUtility.GetFileWebEditorUrl(file.ID) + comment);
                return;
            }

            Title = file.Title;

            if (_configuration.EditorConfig.Customization.Goback == null || string.IsNullOrEmpty(_configuration.EditorConfig.Customization.Goback.Url))
            {
                _configuration.EditorConfig.Customization.GobackUrl = Request[FilesLinkUtility.FolderUrl] ?? "";
            }

            _configuration.EditorConfig.Customization.IsRetina = TenantLogoManager.IsRetina(Request);

            if (RequestEmbedded)
            {
                _configuration.Type = Services.DocumentService.Configuration.EditorType.Embedded;

                _configuration.EditorConfig.Embedded.ShareLinkParam = string.IsNullOrEmpty(RequestShareLinkKey) ? string.Empty : "&" + FilesLinkUtility.DocShareKey + "=" + RequestShareLinkKey;
            }
            else
            {
                _configuration.Type = IsMobile ? Services.DocumentService.Configuration.EditorType.Mobile : Services.DocumentService.Configuration.EditorType.Desktop;

                if (FileSharing.CanSetAccess(file) &&
                    !(file.Encrypted &&
                      (!Request.DesktopApp() ||
                       CoreContext.Configuration.Personal)))
                {
                    _configuration.EditorConfig.SharingSettingsUrl = CommonLinkUtility.GetFullAbsolutePath(
                        Share.Location
                        + "?" + FilesLinkUtility.FileId + "=" + HttpUtility.UrlEncode(file.ID.ToString())
                        + (Request.DesktopApp() ? "&desktop=true" : string.Empty));
                }
            }

            if (!isExtenral)
            {
                _docKeyForTrack = DocumentServiceHelper.GetDocKey(file.ID, -1, DateTime.MinValue);

                FileMarker.RemoveMarkAsNew(file);
            }

            if (SecurityContext.IsAuthenticated)
            {
                _configuration.EditorConfig.SaveAsUrl = _configuration.EditorConfig.MergeFolderUrl = CommonLinkUtility.GetFullAbsolutePath(SaveAs.GetUrl);
            }

            if (_configuration.EditorConfig.ModeWrite)
            {
                _tabId = FileTracker.Add(file.ID);

                Global.SocketManager.FilesChangeEditors(file.ID);

                if (SecurityContext.IsAuthenticated)
                {
                    _configuration.EditorConfig.FileChoiceUrl = CommonLinkUtility.GetFullAbsolutePath(FileChoice.GetUrlForEditor);
                }
            }
            else
            {
                _linkToEdit = _editByUrl
                                  ? CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.GetFileWebEditorExternalUrl(fileUri, file.Title))
                                  : CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.GetFileWebEditorUrl(file.ID));

                if (FileConverter.MustConvert(_configuration.Document.Info.File))
                {
                    _editByUrl = true;
                }
            }

            var actionAnchor = Request[FilesLinkUtility.Anchor];

            if (!string.IsNullOrEmpty(actionAnchor))
            {
                _configuration.EditorConfig.ActionLinkString = actionAnchor;
            }
        }
        private static void DownloadFile(HttpContext context)
        {
            var flushed = false;

            try
            {
                var id  = context.Request[FilesLinkUtility.FileId];
                var doc = context.Request[FilesLinkUtility.DocShareKey] ?? "";

                using (var fileDao = Global.DaoFactory.GetFileDao())
                {
                    File file;
                    var  readLink = FileShareLink.Check(doc, true, fileDao, out file);
                    if (!readLink && file == null)
                    {
                        fileDao.InvalidateCache(id);

                        int version;
                        file = int.TryParse(context.Request[FilesLinkUtility.Version], out version) && version > 0
                                   ? fileDao.GetFile(id, version)
                                   : fileDao.GetFile(id);
                    }

                    if (file == null)
                    {
                        context.Response.StatusCode = (int)HttpStatusCode.NotFound;

                        return;
                    }

                    if (!readLink && !Global.GetFilesSecurity().CanRead(file))
                    {
                        context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
                        return;
                    }

                    if (!string.IsNullOrEmpty(file.Error))
                    {
                        throw new Exception(file.Error);
                    }

                    if (!fileDao.IsExistOnStorage(file))
                    {
                        Global.Logger.ErrorFormat("Download file error. File is not exist on storage. File id: {0}.", file.ID);
                        context.Response.StatusCode = (int)HttpStatusCode.NotFound;

                        return;
                    }

                    FileMarker.RemoveMarkAsNew(file);

                    context.Response.Clear();
                    context.Response.ClearHeaders();
                    context.Response.Charset = "utf-8";

                    FilesMessageService.Send(file, context.Request, MessageAction.FileDownloaded, file.Title);

                    if (string.Equals(context.Request.Headers["If-None-Match"], GetEtag(file)))
                    {
                        //Its cached. Reply 304
                        context.Response.StatusCode = (int)HttpStatusCode.NotModified;
                        context.Response.Cache.SetETag(GetEtag(file));
                    }
                    else
                    {
                        context.Response.CacheControl = "public";
                        context.Response.Cache.SetETag(GetEtag(file));
                        context.Response.Cache.SetCacheability(HttpCacheability.Public);

                        Stream fileStream = null;
                        try
                        {
                            var title = file.Title;

                            if (file.ContentLength <= SetupInfo.AvailableFileSize)
                            {
                                var ext = FileUtility.GetFileExtension(file.Title);

                                var outType = (context.Request[FilesLinkUtility.OutType] ?? "").Trim();
                                if (!string.IsNullOrEmpty(outType) &&
                                    FileUtility.ExtsConvertible.Keys.Contains(ext) &&
                                    FileUtility.ExtsConvertible[ext].Contains(outType))
                                {
                                    ext = outType;
                                }

                                long offset = 0;
                                long length;
                                if (!file.ProviderEntry &&
                                    string.Equals(context.Request["convpreview"], "true", StringComparison.InvariantCultureIgnoreCase) &&
                                    FFmpegService.IsConvertable(ext))
                                {
                                    const string mp4Name = "content.mp4";
                                    var          mp4Path = FileDao.GetUniqFilePath(file, mp4Name);
                                    var          store   = Global.GetStore();
                                    if (!store.IsFile(mp4Path))
                                    {
                                        fileStream = fileDao.GetFileStream(file);

                                        Global.Logger.InfoFormat("Converting {0} (fileId: {1}) to mp4", file.Title, file.ID);
                                        var stream = FFmpegService.Convert(fileStream, ext);
                                        store.Save(string.Empty, mp4Path, stream, mp4Name);
                                    }

                                    var fullLength = store.GetFileSize(string.Empty, mp4Path);

                                    length     = ProcessRangeHeader(context, fullLength, ref offset);
                                    fileStream = store.GetReadStream(string.Empty, mp4Path, (int)offset);

                                    title = FileUtility.ReplaceFileExtension(title, ".mp4");
                                }
                                else
                                {
                                    if (!FileConverter.EnableConvert(file, ext))
                                    {
                                        if (!readLink && fileDao.IsSupportedPreSignedUri(file))
                                        {
                                            context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);

                                            return;
                                        }

                                        fileStream = fileDao.GetFileStream(file); // getStream to fix file.ContentLength

                                        if (fileStream.CanSeek)
                                        {
                                            var fullLength = file.ContentLength;
                                            length = ProcessRangeHeader(context, fullLength, ref offset);
                                            fileStream.Seek(offset, SeekOrigin.Begin);
                                        }
                                        else
                                        {
                                            length = file.ContentLength;
                                        }
                                    }
                                    else
                                    {
                                        title      = FileUtility.ReplaceFileExtension(title, ext);
                                        fileStream = FileConverter.Exec(file, ext);

                                        length = fileStream.Length;
                                    }
                                }

                                SendStreamByChunks(context, length, title, fileStream, ref flushed);
                            }
                            else
                            {
                                if (!readLink && fileDao.IsSupportedPreSignedUri(file))
                                {
                                    context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);

                                    return;
                                }

                                fileStream = fileDao.GetFileStream(file); // getStream to fix file.ContentLength

                                long offset = 0;
                                var  length = file.ContentLength;
                                if (fileStream.CanSeek)
                                {
                                    length = ProcessRangeHeader(context, file.ContentLength, ref offset);
                                    fileStream.Seek(offset, SeekOrigin.Begin);
                                }

                                SendStreamByChunks(context, length, title, fileStream, ref flushed);
                            }
                        }
                        catch (ThreadAbortException tae)
                        {
                            Global.Logger.Error("DownloadFile", tae);
                        }
                        catch (HttpException e)
                        {
                            Global.Logger.Error("DownloadFile", e);
                            throw new HttpException((int)HttpStatusCode.BadRequest, e.Message);
                        }
                        finally
                        {
                            if (fileStream != null)
                            {
                                fileStream.Close();
                                fileStream.Dispose();
                            }
                        }

                        try
                        {
                            context.Response.Flush();
                            context.Response.SuppressContent = true;
                            context.ApplicationInstance.CompleteRequest();
                            flushed = true;
                        }
                        catch (HttpException ex)
                        {
                            Global.Logger.Error("DownloadFile", ex);
                        }
                    }
                }
            }
            catch (ThreadAbortException tae)
            {
                Global.Logger.Error("DownloadFile", tae);
            }
            catch (Exception ex)
            {
                // Get stack trace for the exception with source file information
                var st = new StackTrace(ex, true);
                // Get the top stack frame
                var frame = st.GetFrame(0);
                // Get the line number from the stack frame
                var line = frame.GetFileLineNumber();

                Global.Logger.ErrorFormat("Url: {0} {1} IsClientConnected:{2}, line number:{3} frame:{4}", context.Request.Url, ex, context.Response.IsClientConnected, line, frame);
                if (!flushed && context.Response.IsClientConnected)
                {
                    context.Response.StatusCode = 400;
                    context.Response.Write(HttpUtility.HtmlEncode(ex.Message));
                }
            }
        }
Example #13
0
        private static void SaveFile(HttpContext context)
        {
            try
            {
                var shareLinkKey = context.Request[CommonLinkUtility.DocShareKey] ?? "";

                var fileID = context.Request[CommonLinkUtility.FileId];

                if (string.IsNullOrEmpty(fileID))
                {
                    throw new ArgumentNullException(fileID);
                }

                var downloadUri = context.Request[CommonLinkUtility.FileUri];
                if (string.IsNullOrEmpty(downloadUri))
                {
                    throw new ArgumentNullException(downloadUri);
                }

                using (var fileDao = Global.DaoFactory.GetFileDao())
                {
                    File file;

                    var checkLink = FileShareLink.Check(shareLinkKey, false, fileDao, out file);
                    if (!checkLink && file == null)
                    {
                        file = fileDao.GetFile(fileID);
                    }

                    if (file == null)
                    {
                        throw new HttpException((int)HttpStatusCode.NotFound, FilesCommonResource.ErrorMassage_FileNotFound);
                    }
                    if (!checkLink && (!Global.GetFilesSecurity().CanEdit(file) || CoreContext.UserManager.GetUsers(SecurityContext.CurrentAccount.ID).IsVisitor()))
                    {
                        throw new SecurityException(FilesCommonResource.ErrorMassage_SecurityException_EditFile);
                    }
                    if (file.RootFolderType == FolderType.TRASH)
                    {
                        throw new HttpException((int)HttpStatusCode.Forbidden, FilesCommonResource.ErrorMassage_ViewTrashItem);
                    }

                    var versionEdit   = context.Request[CommonLinkUtility.Version];
                    var currentType   = file.ConvertedType ?? FileUtility.GetFileExtension(file.Title);
                    var newType       = FileUtility.GetFileExtension(downloadUri);
                    var updateVersion = file.Version > 1 || file.ConvertedType == null || string.IsNullOrEmpty(context.Request[UrlConstant.New]);

                    if ((string.IsNullOrEmpty(versionEdit) || file.Version <= Convert.ToInt32(versionEdit) || currentType != newType) &&
                        updateVersion &&
                        !FileLocker.LockVersion(file.ID))
                    {
                        file.Version++;
                    }

                    file.ConvertedType = newType;

                    if (file.ProviderEntry && !newType.Equals(currentType))
                    {
                        var key = DocumentServiceConnector.GenerateRevisionId(downloadUri);

                        DocumentServiceConnector.GetConvertedUri(downloadUri, newType, currentType, key, false, out downloadUri);
                    }

                    var req = (HttpWebRequest)WebRequest.Create(downloadUri);

                    using (var editedFileStream = new ResponseStream(req.GetResponse()))
                    {
                        file.ContentLength = editedFileStream.Length;

                        file = fileDao.SaveFile(file, editedFileStream);
                    }

                    bool checkRight;
                    var  tabId = new Guid(context.Request["tabId"]);
                    FileLocker.ProlongLock(file.ID, tabId, true, out checkRight);
                    if (checkRight)
                    {
                        FileLocker.ChangeRight(file.ID, SecurityContext.CurrentAccount.ID, false);
                    }

                    FileMarker.MarkAsNew(file);
                    FileMarker.RemoveMarkAsNew(file);
                }
            }
            catch (Exception ex)
            {
                Global.Logger.Error(ex.Message, ex);
                context.Response.Write("{ \"error\": \"true\", \"message\": \"" + ex.Message + "\" }");
            }
        }
Example #14
0
        private static void DownloadFile(HttpContext context, bool inline)
        {
            if (!string.IsNullOrEmpty(context.Request[CommonLinkUtility.TryParam]))
            {
                DownloadTry(context);
                return;
            }

            try
            {
                var id           = context.Request[CommonLinkUtility.FileId];
                var shareLinkKey = context.Request[CommonLinkUtility.DocShareKey] ?? "";

                using (var fileDao = Global.DaoFactory.GetFileDao())
                {
                    File file;
                    var  checkLink = FileShareLink.Check(shareLinkKey, true, fileDao, out file);
                    if (!checkLink && file == null)
                    {
                        int version;
                        file = int.TryParse(context.Request[CommonLinkUtility.Version], out version) && version > 0
                                   ? fileDao.GetFile(id, version)
                                   : fileDao.GetFile(id);
                    }

                    if (file == null)
                    {
                        context.Response.Redirect("~/404.htm");

                        return;
                    }

                    if (!checkLink && !Global.GetFilesSecurity().CanRead(file))
                    {
                        context.Response.Redirect((context.Request.UrlReferrer != null
                                                       ? context.Request.UrlReferrer.ToString()
                                                       : PathProvider.StartURL)
                                                  + "#" + UrlConstant.Error + "/" +
                                                  HttpUtility.UrlEncode(FilesCommonResource.ErrorMassage_SecurityException_ReadFile));
                        return;
                    }

                    if (!fileDao.IsExistOnStorage(file))
                    {
                        Global.Logger.ErrorFormat("Download file error. File is not exist on storage. File id: {0}.", file.ID);
                        context.Response.Redirect("~/404.htm");

                        return;
                    }

                    FileMarker.RemoveMarkAsNew(file);

                    context.Response.Clear();
                    context.Response.ContentType = MimeMapping.GetMimeMapping(file.Title);
                    context.Response.Charset     = "utf-8";

                    var browser = context.Request.Browser.Browser;
                    var title   = file.Title.Replace(',', '_');

                    var ext = FileUtility.GetFileExtension(file.Title);

                    var outType  = string.Empty;
                    var curQuota = TenantExtra.GetTenantQuota();
                    if (curQuota.DocsEdition || FileUtility.InternalExtension.Values.Contains(ext))
                    {
                        outType = context.Request[CommonLinkUtility.OutType];
                    }

                    if (!string.IsNullOrEmpty(outType) && !inline)
                    {
                        outType = outType.Trim();
                        if (FileUtility.ExtsConvertible[ext].Contains(outType))
                        {
                            ext = outType;

                            title = FileUtility.ReplaceFileExtension(title, ext);
                        }
                    }

                    context.Response.AddHeader("Content-Disposition", ContentDispositionUtil.GetHeaderValue(title, inline));

                    if (inline && string.Equals(context.Request.Headers["If-None-Match"], GetEtag(file)))
                    {
                        //Its cached. Reply 304
                        context.Response.StatusCode = (int)HttpStatusCode.NotModified;
                        context.Response.Cache.SetETag(GetEtag(file));
                    }
                    else
                    {
                        context.Response.CacheControl = "public";
                        context.Response.Cache.SetETag(GetEtag(file));
                        context.Response.Cache.SetCacheability(HttpCacheability.Public);

                        Stream fileStream = null;

                        try
                        {
                            if (file.ContentLength <= SetupInfo.AvailableFileSize)
                            {
                                if (file.ConvertedType == null && (string.IsNullOrEmpty(outType) || inline))
                                {
                                    context.Response.AddHeader("Content-Length", file.ContentLength.ToString(CultureInfo.InvariantCulture));

                                    if (fileDao.IsSupportedPreSignedUri(file))
                                    {
                                        context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);

                                        return;
                                    }

                                    fileStream = fileDao.GetFileStream(file);
                                }
                                else
                                {
                                    fileStream = FileConverter.Exec(file, ext);
                                }

                                fileStream.StreamCopyTo(context.Response.OutputStream);

                                if (!context.Response.IsClientConnected)
                                {
                                    Global.Logger.Error(String.Format("Download file error {0} {1} Connection is lost. Too long to buffer the file", file.Title, file.ID));
                                }

                                context.Response.Flush();
                            }
                            else
                            {
                                long offset = 0;

                                if (context.Request.Headers["Range"] != null)
                                {
                                    context.Response.StatusCode = 206;
                                    var range = context.Request.Headers["Range"].Split(new[] { '=', '-' });
                                    offset = Convert.ToInt64(range[1]);
                                }

                                if (offset > 0)
                                {
                                    Global.Logger.Info("Starting file download offset is " + offset);
                                }

                                context.Response.AddHeader("Connection", "Keep-Alive");
                                context.Response.AddHeader("Accept-Ranges", "bytes");

                                if (offset > 0)
                                {
                                    context.Response.AddHeader("Content-Range", String.Format(" bytes {0}-{1}/{2}", offset, file.ContentLength - 1, file.ContentLength));
                                }

                                var       dataToRead = file.ContentLength;
                                const int bufferSize = 1024;
                                var       buffer     = new Byte[bufferSize];

                                if (file.ConvertedType == null && (string.IsNullOrEmpty(outType) || inline))
                                {
                                    if (fileDao.IsSupportedPreSignedUri(file))
                                    {
                                        context.Response.Redirect(fileDao.GetPreSignedUri(file, TimeSpan.FromHours(1)).ToString(), true);

                                        return;
                                    }

                                    fileStream = fileDao.GetFileStream(file, offset);
                                    context.Response.AddHeader("Content-Length", (file.ContentLength - offset).ToString(CultureInfo.InvariantCulture));
                                }
                                else
                                {
                                    fileStream = FileConverter.Exec(file, ext);

                                    if (offset > 0)
                                    {
                                        var startBytes = offset;

                                        while (startBytes > 0)
                                        {
                                            long readCount;

                                            if (bufferSize >= startBytes)
                                            {
                                                readCount = startBytes;
                                            }
                                            else
                                            {
                                                readCount = bufferSize;
                                            }

                                            var length = fileStream.Read(buffer, 0, (int)readCount);

                                            startBytes -= length;
                                        }
                                    }
                                }

                                while (dataToRead > 0)
                                {
                                    int length;

                                    try
                                    {
                                        length = fileStream.Read(buffer, 0, bufferSize);
                                    }
                                    catch (HttpException exception)
                                    {
                                        Global.Logger.Error(
                                            String.Format("Read from stream is error. Download file {0} {1}. Maybe Connection is lost.?? Error is {2} ",
                                                          file.Title,
                                                          file.ID,
                                                          exception
                                                          ));

                                        throw;
                                    }

                                    if (context.Response.IsClientConnected)
                                    {
                                        context.Response.OutputStream.Write(buffer, 0, length);
                                        dataToRead = dataToRead - length;
                                    }
                                    else
                                    {
                                        dataToRead = -1;
                                        Global.Logger.Error(String.Format("IsClientConnected is false. Why? Download file {0} {1} Connection is lost. ", file.Title, file.ID));
                                    }
                                }
                            }
                        }
                        catch (HttpException e)
                        {
                            throw new HttpException((int)HttpStatusCode.BadRequest, e.Message);
                        }
                        finally
                        {
                            if (fileStream != null)
                            {
                                fileStream.Flush();
                                fileStream.Close();
                                fileStream.Dispose();
                            }
                        }

                        try
                        {
                            context.Response.End();
                        }
                        catch (HttpException)
                        {
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                // Get stack trace for the exception with source file information
                var st = new StackTrace(ex, true);
                // Get the top stack frame
                var frame = st.GetFrame(0);
                // Get the line number from the stack frame
                var line = frame.GetFileLineNumber();

                Global.Logger.ErrorFormat("Url: {0} {1} IsClientConnected:{2}, line number:{3} frame:{4}", context.Request.Url, ex, context.Response.IsClientConnected, line, frame);
                context.Response.StatusCode = 400;
                context.Response.Write(HttpUtility.HtmlEncode(ex.Message));
            }
        }
        private void PageLoad()
        {
            var editPossible = !RequestEmbedded;
            var isExtenral   = false;

            File file;
            var  fileUri = string.Empty;

            try
            {
                if (string.IsNullOrEmpty(RequestFileUrl))
                {
                    _fileNew = (Request["new"] ?? "") == "true";

                    var app = ThirdPartySelector.GetAppByFileId(RequestFileId);
                    if (app == null)
                    {
                        var ver = string.IsNullOrEmpty(Request[FilesLinkUtility.Version]) ? -1 : Convert.ToInt32(Request[FilesLinkUtility.Version]);

                        file = DocumentServiceHelper.GetParams(RequestFileId, ver, RequestShareLinkKey, _fileNew, editPossible, !RequestView, out _docParams);

                        _fileNew = _fileNew && file.Version == 1 && file.CreateOn == file.ModifiedOn;
                    }
                    else
                    {
                        isExtenral = true;

                        bool editable;
                        _thirdPartyApp = true;
                        file           = app.GetFile(RequestFileId, out editable);
                        file           = DocumentServiceHelper.GetParams(file, true, true, true, editable, editable, editable, editable, out _docParams);

                        _docParams.FileUri   = app.GetFileStreamUrl(file);
                        _docParams.FolderUrl = string.Empty;
                    }
                }
                else
                {
                    isExtenral = true;

                    fileUri = RequestFileUrl;
                    var fileTitle = Request[FilesLinkUtility.FileTitle];
                    if (string.IsNullOrEmpty(fileTitle))
                    {
                        fileTitle = Path.GetFileName(HttpUtility.UrlDecode(fileUri)) ?? "";
                    }

                    if (CoreContext.Configuration.Standalone)
                    {
                        try
                        {
                            var webRequest = (HttpWebRequest)WebRequest.Create(RequestFileUrl);

                            // hack. http://ubuntuforums.org/showthread.php?t=1841740
                            if (WorkContext.IsMono)
                            {
                                ServicePointManager.ServerCertificateValidationCallback += (s, ce, ca, p) => true;
                            }

                            using (var response = webRequest.GetResponse())
                                using (var responseStream = new ResponseStream(response))
                                {
                                    var externalFileKey = DocumentServiceConnector.GenerateRevisionId(RequestFileUrl);
                                    fileUri = DocumentServiceConnector.GetExternalUri(responseStream, MimeMapping.GetMimeMapping(fileTitle), externalFileKey);
                                }
                        }
                        catch (Exception error)
                        {
                            Global.Logger.Error("Cannot receive external url for \"" + RequestFileUrl + "\"", error);
                        }
                    }

                    file = new File
                    {
                        ID    = RequestFileUrl,
                        Title = Global.ReplaceInvalidCharsAndTruncate(fileTitle)
                    };

                    file = DocumentServiceHelper.GetParams(file, true, true, true, false, false, false, false, out _docParams);
                    _docParams.CanEdit   = editPossible && !CoreContext.Configuration.Standalone;
                    _docParams.CanReview = _docParams.CanEdit;
                    _editByUrl           = true;

                    _docParams.FileUri = fileUri;
                }
            }
            catch (Exception ex)
            {
                Global.Logger.Error("DocEditor", ex);
                _errorMessage = ex.Message;
                return;
            }

            if (_docParams.ModeWrite && FileConverter.MustConvert(file))
            {
                try
                {
                    file = FileConverter.ExecDuplicate(file, RequestShareLinkKey);
                }
                catch (Exception ex)
                {
                    _docParams = null;
                    Global.Logger.Error("DocEditor", ex);
                    _errorMessage = ex.Message;
                    return;
                }

                var comment = "#message/" + HttpUtility.UrlEncode(FilesCommonResource.CopyForEdit);

                Response.Redirect(FilesLinkUtility.GetFileWebEditorUrl(file.ID) + comment);
                return;
            }

            Title = file.Title;

            if (string.IsNullOrEmpty(_docParams.FolderUrl))
            {
                _docParams.FolderUrl = Request[FilesLinkUtility.FolderUrl] ?? "";
            }
            if (MobileDetector.IsRequestMatchesMobile(true))
            {
                _docParams.FolderUrl = string.Empty;
            }

            if (RequestEmbedded)
            {
                _docParams.Type = DocumentServiceParams.EditorType.Embedded;

                var shareLinkParam = "&" + FilesLinkUtility.DocShareKey + "=" + RequestShareLinkKey;
                _docParams.ViewerUrl   = CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.FilesBaseAbsolutePath + FilesLinkUtility.EditorPage + "?" + FilesLinkUtility.Action + "=view" + shareLinkParam);
                _docParams.DownloadUrl = CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.FileHandlerPath + "?" + FilesLinkUtility.Action + "=download" + shareLinkParam);
                _docParams.EmbeddedUrl = CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.FilesBaseAbsolutePath + FilesLinkUtility.EditorPage + "?" + FilesLinkUtility.Action + "=embedded" + shareLinkParam);
            }
            else
            {
                _docParams.Type = IsMobile ? DocumentServiceParams.EditorType.Mobile : DocumentServiceParams.EditorType.Desktop;

                if (FileSharing.CanSetAccess(file))
                {
                    _docParams.SharingSettingsUrl = CommonLinkUtility.GetFullAbsolutePath(Share.Location + "?" + FilesLinkUtility.FileId + "=" + file.ID);
                }
            }

            if (!isExtenral)
            {
                _docKeyForTrack = DocumentServiceHelper.GetDocKey(file.ID, -1, DateTime.MinValue);

                FileMarker.RemoveMarkAsNew(file);
            }

            if (_docParams.ModeWrite)
            {
                _tabId        = FileTracker.Add(file.ID, _fileNew);
                _fixedVersion = FileTracker.FixedVersion(file.ID);
                if (SecurityContext.IsAuthenticated)
                {
                    _docParams.FileChoiceUrl  = CommonLinkUtility.GetFullAbsolutePath(FileChoice.Location) + "?" + FileChoice.ParamFilterExt + "=xlsx&" + FileChoice.MailMergeParam + "=true";
                    _docParams.MergeFolderUrl = CommonLinkUtility.GetFullAbsolutePath(MailMerge.GetUrl);
                }
            }
            else
            {
                if (!RequestView && FileTracker.IsEditingAlone(file.ID))
                {
                    var editingBy = FileTracker.GetEditingBy(file.ID).FirstOrDefault();
                    _errorMessage = string.Format(FilesCommonResource.ErrorMassage_EditingMobile, Global.GetUserName(editingBy));
                }

                _docParams.LinkToEdit = _editByUrl
                                            ? CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.GetFileWebEditorExternalUrl(fileUri, file.Title))
                                            : CommonLinkUtility.GetFullAbsolutePath(FilesLinkUtility.GetFileWebEditorUrl(file.ID));

                if (FileConverter.MustConvert(_docParams.File))
                {
                    _editByUrl = true;
                }
            }
        }
Example #16
0
        private void PageLoad()
        {
            var editPossible = !RequestEmbedded && !IsMobile;
            var isExtenral   = false;

            File file;
            var  fileUri = string.Empty;

            if (!ItsTry)
            {
                try
                {
                    if (string.IsNullOrEmpty(RequestFileUrl))
                    {
                        _fileNew = !string.IsNullOrEmpty(Request[UrlConstant.New]) && Request[UrlConstant.New] == "true";

                        var ver = string.IsNullOrEmpty(Request[CommonLinkUtility.Version]) ? -1 : Convert.ToInt32(Request[CommonLinkUtility.Version]);

                        file = DocumentServiceHelper.GetParams(RequestFileId, ver, RequestShareLinkKey, _fileNew, editPossible, !RequestView, out _docParams);

                        _fileNew = file.Version == 1 && file.ConvertedType != null && _fileNew && file.CreateOn == file.ModifiedOn;
                    }
                    else
                    {
                        isExtenral = true;

                        fileUri = RequestFileUrl;
                        var fileTitle = Request[CommonLinkUtility.FileTitle];
                        if (string.IsNullOrEmpty(fileTitle))
                        {
                            fileTitle = Path.GetFileName(HttpUtility.UrlDecode(fileUri)) ?? "";
                        }

                        if (CoreContext.Configuration.Standalone)
                        {
                            try
                            {
                                var webRequest = WebRequest.Create(RequestFileUrl);
                                using (var response = webRequest.GetResponse())
                                    using (var responseStream = new ResponseStream(response))
                                    {
                                        fileUri = DocumentServiceConnector.GetExternalUri(responseStream, MimeMapping.GetMimeMapping(fileTitle), "new");
                                    }
                            }
                            catch (Exception error)
                            {
                                Global.Logger.Error("Cannot receive external url for \"" + RequestFileUrl + "\"", error);
                            }
                        }

                        file = new File
                        {
                            ID    = fileUri.GetHashCode(),
                            Title = Global.ReplaceInvalidCharsAndTruncate(fileTitle)
                        };

                        file = DocumentServiceHelper.GetParams(file, true, true, true, false, false, false, out _docParams);
                        _docParams.CanEdit = editPossible && !CoreContext.Configuration.Standalone;
                        _editByUrl         = true;

                        _docParams.FileUri = fileUri;
                    }
                }
                catch (Exception ex)
                {
                    _errorMessage = ex.Message;
                    return;
                }
            }
            else
            {
                FileType tryType;
                try
                {
                    tryType = (FileType)Enum.Parse(typeof(FileType), Request[CommonLinkUtility.TryParam]);
                }
                catch
                {
                    tryType = FileType.Document;
                }

                var fileTitle = "Demo";
                fileTitle += FileUtility.InternalExtension[tryType];

                var relativeUri = string.Format(CommonLinkUtility.FileHandlerPath + UrlConstant.ParamsDemo, tryType);
                fileUri = new Uri(Request.Url, relativeUri).ToString();

                file = new File
                {
                    ID    = Guid.NewGuid(),
                    Title = Global.ReplaceInvalidCharsAndTruncate(fileTitle)
                };

                file = DocumentServiceHelper.GetParams(file, true, true, true, editPossible, editPossible, true, out _docParams);

                _docParams.FileUri = fileUri;
                _editByUrl         = true;
            }

            if (_docParams.ModeWrite && FileConverter.MustConvert(file))
            {
                try
                {
                    file = FileConverter.ExecDuplicate(file, RequestShareLinkKey);
                }
                catch (Exception e)
                {
                    _docParams    = null;
                    _errorMessage = e.Message;
                    return;
                }

                var comment = "#message/" + HttpUtility.UrlEncode(FilesCommonResource.CopyForEdit);

                Response.Redirect(CommonLinkUtility.GetFileWebEditorUrl(file.ID) + comment);
                return;
            }

            Title = HeaderStringHelper.GetPageTitle(file.Title);

            if (string.IsNullOrEmpty(_docParams.FolderUrl))
            {
                _docParams.FolderUrl = Request[CommonLinkUtility.FolderUrl] ?? "";
            }
            if (MobileDetector.IsRequestMatchesMobile(Context.Request.UserAgent, true))
            {
                _docParams.FolderUrl = string.Empty;
            }

            if (RequestEmbedded)
            {
                _docParams.Type = DocumentServiceParams.EditorType.Embedded;

                var shareLinkParam = "&" + CommonLinkUtility.DocShareKey + "=" + RequestShareLinkKey;
                _docParams.ViewerUrl   = CommonLinkUtility.GetFullAbsolutePath(CommonLinkUtility.FilesBaseAbsolutePath + CommonLinkUtility.EditorPage + "?" + CommonLinkUtility.Action + "=view" + shareLinkParam);
                _docParams.DownloadUrl = CommonLinkUtility.GetFullAbsolutePath(CommonLinkUtility.FileHandlerPath + "?" + CommonLinkUtility.Action + "=download" + shareLinkParam);
                _docParams.EmbeddedUrl = CommonLinkUtility.GetFullAbsolutePath(CommonLinkUtility.FilesBaseAbsolutePath + CommonLinkUtility.EditorPage + "?" + CommonLinkUtility.Action + "=embedded" + shareLinkParam);
            }
            else
            {
                _docParams.Type = IsMobile ? DocumentServiceParams.EditorType.Mobile : DocumentServiceParams.EditorType.Desktop;

                if (FileSharing.CanSetAccess(file))
                {
                    _docParams.SharingSettingsUrl = CommonLinkUtility.GetFullAbsolutePath(CommonLinkUtility.FilesBaseAbsolutePath + "share.aspx" + "?" + CommonLinkUtility.FileId + "=" + file.ID + "&" + CommonLinkUtility.FileTitle + "=" + HttpUtility.UrlEncode(file.Title));
                }
            }

            if (!isExtenral)
            {
                _docKeyForTrack = DocumentServiceHelper.GetDocKey(file.ID, -1, DateTime.MinValue);

                if (!ItsTry)
                {
                    FileMarker.RemoveMarkAsNew(file);
                }
            }

            if (_docParams.ModeWrite)
            {
                _tabId       = FileLocker.Add(file.ID, _fileNew);
                _lockVersion = FileLocker.LockVersion(file.ID);

                if (ItsTry)
                {
                    AppendAuthControl();
                }
            }
            else
            {
                _docParams.LinkToEdit = _editByUrl
                                            ? CommonLinkUtility.GetFullAbsolutePath(string.Format(CommonLinkUtility.FileWebEditorExternalUrlString, HttpUtility.UrlEncode(fileUri), file.Title))
                                            : FileConverter.MustConvert(_docParams.File)
                                                  ? CommonLinkUtility.GetFullAbsolutePath(CommonLinkUtility.GetFileWebEditorUrl(file.ID))
                                                  : string.Empty;
            }

            if (CoreContext.Configuration.YourDocsDemo && IsMobile)
            {
                _docParams.CanEdit = false;
            }
        }