public sealed class NoCacheAttribute : Microsoft.AspNetCore.Mvc.Filters.ActionFilterAttribute, Microsoft.AspNetCore.Mvc.Filters.IActionFilter, Microsoft.AspNetCore.Mvc.Filters.IAsyncActionFilter, Microsoft.AspNetCore.Mvc.Filters.IAsyncResultFilter, Microsoft.AspNetCore.Mvc.Filters.IFilterMetadata, Microsoft.AspNetCore.Mvc.Filters.IOrderedFilter, Microsoft.AspNetCore.Mvc.Filters.IResultFilter  

public class HomeController : Controller
{       
    private readonly IPageRequest _page;
            
    public DocumentationController( IPageRequest page)
    {
        _page = page;      
    }
            
    [Route("js/Variables.js")]
    [NoCash]
    [Ignore(skip: FireWallGuardActions.EmbeddedResources)]
    public FileResult Script()
    {
        var sb = new StringBuilder();
        sb.AppendLine($"var userSalt ='{_page.User.GetUserSalt()}';");
        sb.AppendLine($"var pageId = {_page.PageRequestGroupId};");
            
        byte[] java = System.Text.Encoding.UTF8.GetBytes(sb.ToString());
        return File(java, "application/javascript");
    }
}