RequestVariables.cs

using Waher.Networking.HTTP;
using Waher.Script;
using Waher.Script.Objects;
 
namespace Waher.Security.WAF.Model
{
    public class RequestVariables : Variables
    {
        private readonly HttpRequest request;
        private Variable requestVariable;
 
        public RequestVariables(HttpRequest Request)
            : base()
        {
            this.request = Request;
        }
 
        private void InitializeContext()
        {
            this.ContextVariables ??= this.request.GetSessionFromCookie();
        }
 
        public override bool TryGetVariable(string Name, out Variable Variable)
        {
            switch (Name)
            {
                case "Request":
                    this.requestVariable ??= new Variable(Name, new ObjectValue(this.request));
                    Variable = this.requestVariable;
                    return true;
 
                default:
                    this.InitializeContext();
                    return base.TryGetVariable(Name, out Variable);
            }
        }
 
        public override bool ContainsVariable(string Name)
        {
            switch (Name)
            {
                case "Request":
                    return true;
 
                default:
                    if (base.ContainsVariable(Name))
                        return true;
 
                    this.InitializeContext();
                    return base.ContainsVariable(Name);
            }
        }
    }
}