ExtendedProtectionPolicy.cs

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using System.Collections;
using System.Runtime.Serialization;
using System.Text;
 
namespace System.Security.Authentication.ExtendedProtection;
 
public class ExtendedProtectionPolicy : ISerializable
{
    private readonly ServiceNameCollection _customServiceNames;
 
    private readonly PolicyEnforcement _policyEnforcement;
 
    private readonly ProtectionScenario _protectionScenario;
 
    private readonly ChannelBinding _customChannelBinding;
 
    public ServiceNameCollection? CustomServiceNames => _customServiceNames;
 
    public PolicyEnforcement PolicyEnforcement => _policyEnforcement;
 
    public ProtectionScenario ProtectionScenario => _protectionScenario;
 
    public ChannelBinding? CustomChannelBinding => _customChannelBinding;
 
    public static bool OSSupportsExtendedProtection => true;
 
    public ExtendedProtectionPolicy(PolicyEnforcement policyEnforcement, ProtectionScenario protectionScenario, ServiceNameCollection? customServiceNames)
    {
        if (policyEnforcement == PolicyEnforcement.Never)
        {
            throw new ArgumentException(System.SR.security_ExtendedProtectionPolicy_UseDifferentConstructorForNever, "policyEnforcement");
        }
        if (customServiceNames != null && customServiceNames.Count == 0)
        {
            throw new ArgumentException(System.SR.security_ExtendedProtectionPolicy_NoEmptyServiceNameCollection, "customServiceNames");
        }
        _policyEnforcement = policyEnforcement;
        _protectionScenario = protectionScenario;
        _customServiceNames = customServiceNames;
    }
 
    public ExtendedProtectionPolicy(PolicyEnforcement policyEnforcement, ProtectionScenario protectionScenario, ICollection? customServiceNames)
        : this(policyEnforcement, protectionScenario, (customServiceNames == null) ? null : new ServiceNameCollection(customServiceNames))
    {
    }
 
    public ExtendedProtectionPolicy(PolicyEnforcement policyEnforcement, ChannelBinding customChannelBinding)
    {
        if (policyEnforcement == PolicyEnforcement.Never)
        {
            throw new ArgumentException(System.SR.security_ExtendedProtectionPolicy_UseDifferentConstructorForNever, "policyEnforcement");
        }
        if (customChannelBinding == null)
        {
            throw new ArgumentNullException("customChannelBinding");
        }
        _policyEnforcement = policyEnforcement;
        _protectionScenario = ProtectionScenario.TransportSelected;
        _customChannelBinding = customChannelBinding;
    }
 
    public ExtendedProtectionPolicy(PolicyEnforcement policyEnforcement)
    {
        _policyEnforcement = policyEnforcement;
        _protectionScenario = ProtectionScenario.TransportSelected;
    }
 
    protected ExtendedProtectionPolicy(SerializationInfo info, StreamingContext context)
    {
        throw new PlatformNotSupportedException();
    }
 
    void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
    {
        throw new PlatformNotSupportedException();
    }
 
    public override string ToString()
    {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.Append("ProtectionScenario=");
        StringBuilder stringBuilder2 = stringBuilder;
        StringBuilder stringBuilder3 = stringBuilder2;
        StringBuilder.AppendInterpolatedStringHandler handler = new StringBuilder.AppendInterpolatedStringHandler(0, 1, stringBuilder2);
        handler.AppendFormatted(_protectionScenario);
        stringBuilder3.Append(ref handler);
        stringBuilder.Append("; PolicyEnforcement=");
        stringBuilder2 = stringBuilder;
        StringBuilder stringBuilder4 = stringBuilder2;
        StringBuilder.AppendInterpolatedStringHandler handler2 = new StringBuilder.AppendInterpolatedStringHandler(0, 1, stringBuilder2);
        handler2.AppendFormatted(_policyEnforcement);
        stringBuilder4.Append(ref handler2);
        stringBuilder.Append("; CustomChannelBinding=");
        if (_customChannelBinding == null)
        {
            stringBuilder.Append("<null>");
        }
        else
        {
            stringBuilder.Append(_customChannelBinding.ToString());
        }
        stringBuilder.Append("; ServiceNames=");
        if (_customServiceNames == null)
        {
            stringBuilder.Append("<null>");
        }
        else
        {
            bool flag = true;
            foreach (string customServiceName in _customServiceNames)
            {
                if (flag)
                {
                    flag = false;
                }
                else
                {
                    stringBuilder.Append(", ");
                }
                stringBuilder.Append(customServiceName);
            }
        }
        return stringBuilder.ToString();
    }
}