How to efficiently test if action is decorated with an attribute (AuthorizeAttribute)?

Question

I\'m using MVC and have a situation where in my OnActionExecuting() I need to determine if the Action method that is about to execute is decorated with an attribute

Answer 1

You can simply use filterContext.ActionDescriptor.GetCustomAttributes

public override void OnActionExecuting(ActionExecutingContext filterContext)
{
    bool hasAuthorizeAttribute = filterContext.ActionDescriptor
        .GetCustomAttributes(typeof(AuthorizeAttribute), false)
        .Any();

    if (hasAuthorizeAttribute)
    { 
        // do stuff
    }

    base.OnActionExecuting(filterContext);
}