/// <summary>
    /// Processes the specified file.
    /// </summary>
    /// <param name="fileGuid">File guid</param>
    protected void ProcessFile(Guid fileGuid)
    {
        // Get the file
        ForumAttachmentInfo fileInfo = ForumAttachmentInfoProvider.GetForumAttachmentInfoWithoutBinary(fileGuid, CMSContext.CurrentSiteName);

        if (fileInfo != null)
        {
            #region "Security"

            // Indicates whether current user is granted to see this attachment
            bool attachmentAllowed = false;

            // Get forum
            ForumInfo fi = ForumInfoProvider.GetForumInfo(fileInfo.AttachmentForumID);
            if (fi != null)
            {
                // Check acess
                if (ForumViewer.CheckPermission("AccessToForum", SecurityHelper.GetSecurityAccessEnum(fi.ForumAccess, 6), fi.ForumGroupID, fi.ForumID))
                {
                    attachmentAllowed = true;
                }
            }

            // If attachment is not allowed for current user, redirect to the access denied page
            if (!attachmentAllowed)
            {
                URLHelper.Redirect(URLRewriter.AccessDeniedPageURL(CurrentSiteName));
            }

            #endregion


            bool resizeImage = (ImageHelper.IsMimeImage(fileInfo.AttachmentMimeType) &&
                                ForumAttachmentInfoProvider.CanResizeImage(fileInfo, Width, Height, MaxSideSize));

            // Get the data
            if ((outputFile == null) || (outputFile.ForumAttachment == null))
            {
                outputFile             = new CMSOutputForumAttachment(fileInfo, fileInfo.AttachmentBinary);
                outputFile.Width       = Width;
                outputFile.Height      = Height;
                outputFile.MaxSideSize = MaxSideSize;
                outputFile.Resized     = resizeImage;
            }
        }
    }
    /// <summary>
    /// Processes the file.
    /// </summary>
    protected void ProcessFile()
    {
        if (fileGuid == Guid.Empty)
        {
            return;
        }

        // Get the file
        ForumAttachmentInfo fileInfo = ForumAttachmentInfoProvider.GetForumAttachmentInfoWithoutBinary(fileGuid, SiteContext.CurrentSiteName);

        if (fileInfo == null)
        {
            return;
        }

        // Check forum access
        var forum = ForumInfoProvider.GetForumInfo(fileInfo.AttachmentForumID);

        if ((forum == null) || !ForumViewer.CheckPermission("AccessToForum", SecurityHelper.GetSecurityAccessEnum(forum.ForumAccess, 6), forum.ForumGroupID, forum.ForumID, CurrentUser))
        {
            // If attachment is not allowed for current user, redirect to the access denied page
            URLHelper.Redirect(PageSecurityHelper.AccessDeniedPageURL(CurrentSiteName));
        }

        bool resizeImage = (ImageHelper.IsMimeImage(fileInfo.AttachmentMimeType) && ForumAttachmentInfoProvider.CanResizeImage(fileInfo, Width, Height, MaxSideSize));

        // Get the data
        if ((outputFile == null) || (outputFile.ForumAttachment == null))
        {
            outputFile             = new CMSOutputForumAttachment(fileInfo, fileInfo.AttachmentBinary);
            outputFile.Width       = Width;
            outputFile.Height      = Height;
            outputFile.MaxSideSize = MaxSideSize;
            outputFile.Resized     = resizeImage;
        }
    }