HeaderMatch.cs

using System.Threading.Tasks;
using System.Xml;
using Waher.Networking.HTTP;
using Waher.Networking.HTTP.Interfaces;
 
namespace Waher.Security.WAF.Model.Conditions
{
    public class HeaderMatch : WafNamedCondition
    {
        public HeaderMatch()
            : base()
        {
        }
 
        public HeaderMatch(XmlElement Xml, WafAction Parent, WebApplicationFirewall Document)
            : base(Xml, Parent, Document)
        {
        }
 
        public override string LocalName => nameof(HeaderMatch);
 
        public override WafAction Create(XmlElement Xml, WafAction Parent, WebApplicationFirewall Document) => new HeaderMatch(Xml, Parent, Document);
 
        public override Task<WafResult?> Review(ProcessingState State)
        {
            if (State.Request.Header.TryGetHeaderField(this.Name, out HttpField Field))
                return this.Review(State, Field.Value);
            else
                return Task.FromResult<WafResult?>(null);
        }
    }
}