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;
            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;
            }
        }
        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;
            }
        }