ProhibitRegex.cs

using System;
using System.Reflection;
using System.Text.RegularExpressions;
 
namespace Waher.Security.CallStack
{
    public class ProhibitRegex : CallStackCheck
    {
        private readonly Regex regex;
 
        public ProhibitRegex(Regex Regex)
        {
            this.regex = Regex;
        }
 
        public override bool? Check(FrameInformation Frame)
        {
            if (ApproveRegex.IsMatch(this.regex, Frame.TypeName + "." + Frame.Method.Name) ||
                ApproveRegex.IsMatch(this.regex, Frame.TypeName) ||
                ApproveRegex.IsMatch(this.regex, Frame.AssemblyName))
            {
                return false;
            }
 
            Type T = Frame.Type;
            while (!(T is null) && T.Attributes.HasFlag(TypeAttributes.NestedPrivate))
            {
                T = T.DeclaringType;
 
                if (ApproveRegex.IsMatch(this.regex, T.FullName + "." + Frame.Method.Name) ||
                    ApproveRegex.IsMatch(this.regex, T.FullName))
                {
                    return false;
                }
            }
 
            return null;
        }
    }
}