// Token: 0x06000767 RID: 1895 RVA: 0x00029340 File Offset: 0x00027540 protected override int InternalExecute(int count) { string[] array = HttpUtility.UrlDecode(base.FileReference).Split(new char[] { ':' }); if (array.Length != 2) { throw new AirSyncPermanentException(StatusCode.Sync_TooManyFolders, false) { ErrorStringForProtocolLogger = "InvalidEntityAttachemtnId" }; } StoreObjectId itemId = StoreId.EwsIdToStoreObjectId(array[0]); IEvents events = EntitySyncItem.GetEvents(this.CalendaringContainer, base.Session, itemId); if (events == null) { throw new AirSyncPermanentException(StatusCode.Sync_ClientServerConversion, false) { ErrorStringForProtocolLogger = "EventsNotFound" }; } IAttachments attachments = events[array[0]].Attachments; if (attachments == null) { throw new AirSyncPermanentException(StatusCode.Sync_ClientServerConversion, false) { ErrorStringForProtocolLogger = "EntityNotFound" }; } IAttachment attachment = attachments.Read(array[1], null); if (attachment == null) { throw new AirSyncPermanentException(StatusCode.Sync_ClientServerConversion, false) { ErrorStringForProtocolLogger = "EntityAttachementNotFound" }; } base.ContentType = attachment.ContentType; FileAttachment fileAttachment = attachment as FileAttachment; ItemAttachment itemAttachment = attachment as ItemAttachment; if (fileAttachment != null) { if (!base.MaxAttachmentSize.IsUnlimited && fileAttachment.Content.Length > (int)base.MaxAttachmentSize.Value.ToBytes()) { throw new DataTooLargeException(StatusCode.AttachmentIsTooLarge); } count = ((count == -1) ? fileAttachment.Content.Length : Math.Min(count, fileAttachment.Content.Length - base.MinRange)); base.OutStream.Write(fileAttachment.Content, base.MinRange, count); return(count); } else { if (itemAttachment != null) { int result; AttachmentHelper.GetAttachment(base.Session, itemId, attachment.Id, base.OutStream, base.MinRange, count, base.MaxAttachmentSize, base.RightsManagementSupport, out result); return(result); } throw new AirSyncPermanentException(StatusCode.Sync_InvalidWaitTime, new LocalizedString(string.Format("Attachment type \"{0}\" is not supported.", attachment.GetType().FullName)), false) { ErrorStringForProtocolLogger = "UnsupportedEntityAttachementType" }; } }