ProcessingState.cs

using System;
using Waher.Networking.HTTP;
using Waher.Script;
 
namespace Waher.Security.WAF.Model
{
    public class ProcessingState
    {
        private readonly HttpRequest request;
        private readonly HttpResource resource;
        private readonly WebApplicationFirewall firewall;
        private RequestVariables variables;
 
        public ProcessingState(HttpRequest Request, HttpResource Resource,
            WebApplicationFirewall Firewall)
        {
            this.request = Request;
            this.resource = Resource;
            this.firewall = Firewall;
        }
 
        public HttpRequest Request => this.request;
 
        public HttpResource Resource => this.resource;
 
        public WebApplicationFirewall Firewall => this.firewall;
 
        public string ContentAsString { get; set; }
 
        public Variables Variables
        {
            get
            {
                this.variables ??= new RequestVariables(this.request);
                return this.variables;
            }
        }
 
        public bool TryGetCachedObject<T>(string Key, out T Value)
        {
            if (this.firewall.Cache.TryGetValue(Key, out object Obj) && Obj is T TypedObj)
            {
                Value = TypedObj;
                return true;
            }
            else
            {
                Value = default;
                return false;
            }
        }
 
        public void AddToCache(string Key, object Value)
        {
            this.firewall.Cache.Add(Key, Value);
        }
 
        public void AddToCache(string Key, object Value, TimeSpan Expires)
        {
            this.firewall.Cache.Add(Key, Value, Expires);
        }
 
        public void AddToCache(string Key, object Value, DateTime Expires)
        {
            this.firewall.Cache.Add(Key, Value, Expires);
        }
    }
}