WafActions.cs

using System;
using System.Threading.Tasks;
using System.Xml;
using Waher.Networking.HTTP.Interfaces;
using Waher.Runtime.Collections;
 
namespace Waher.Security.WAF.Model
{
    public abstract class WafActions : WafAction
    {
        private readonly WafAction[] actions;
 
        public WafActions()
            : base()
        {
            this.actions = Array.Empty<WafAction>();
        }
 
        public WafActions(XmlElement Xml, WafAction Parent, WebApplicationFirewall Document)
            : base(Xml, Parent, Document)
        {
            ChunkedList<WafAction> Actions = new ChunkedList<WafAction>();
 
            foreach (XmlNode N in Xml.ChildNodes)
            {
                if (N is XmlElement E)
                    Actions.Add(Parse(E, this, Document));
            }
 
            this.actions = Actions.ToArray();
        }
 
        public WafAction[] Actions => this.actions;
 
        public bool IsEmpty => this.actions.Length == 0;
 
        public override void Prepare()
        {
            foreach (WafAction Action in this.actions)
                Action.Prepare();
        }
 
        public async Task<WafResult?> ReviewChildren(ProcessingState State)
        {
            foreach (WafAction Action in this.actions)
            {
                WafResult? Result = await Action.Review(State);
                if (Result.HasValue)
                    return Result;
            }
 
            return null;
        }
    }
}