IsEncrypted.cs

using System.Threading.Tasks;
using System.Xml;
using Waher.Content.Xml;
using Waher.Networking.HTTP.Interfaces;
 
namespace Waher.Security.WAF.Model.Comparisons
{
    public class IsEncrypted : WafComparison
    {
        private readonly int minSecurityStrength;
 
        public IsEncrypted()
            : base()
        {
        }
 
        public IsEncrypted(XmlElement Xml, WafAction Parent, WebApplicationFirewall Document)
            : base(Xml, Parent, Document)
        {
            this.minSecurityStrength = XML.Attribute(Xml, "minSecurityStrength", 0);
        }
 
        public override string LocalName => nameof(IsEncrypted);
 
        public override WafAction Create(XmlElement Xml, WafAction Parent, WebApplicationFirewall Document) => new IsEncrypted(Xml, Parent, Document);
 
        public override Task<WafResult?> Review(ProcessingState State)
        {
            if (State.Request.Encrypted && State.Request.CipherStrength >= this.minSecurityStrength)
                return this.ReviewChildren(State);
            else
                return Task.FromResult<WafResult?>(null);
        }
    }
}