/// <summary>
/// Validates that the parameter argument is not untrusted
/// </summary>
/// <param name="arguments">Object to validate</param>
/// <param name="engineIntrinsics">
/// The engine APIs for the context under which the validation is being
/// evaluated.
/// </param>
/// <exception cref="ValidationMetadataException">
/// if the argument is untrusted.
/// </exception>
protected override void Validate(object arguments, EngineIntrinsics engineIntrinsics)
{
bool everConstrained = false;
bool isFullLanguage = false;
MethodInfo marked = null;
try
{
object executionContextTLS = UtilityHost.GetExecutionContextFromTLS();
everConstrained = (bool)UtilityHost.GetPrivateStaticProperty(executionContextTLS.GetType(), "HasEverUsedConstrainedLanguage");
isFullLanguage = (PSLanguageMode)UtilityHost.GetPrivateProperty("LanguageMode", executionContextTLS) == PSLanguageMode.FullLanguage;
marked = UtilityHost.GetPrivateStaticMethod(executionContextTLS.GetType(), "IsMarkedAsUntrusted");
}
catch { }
if (everConstrained && isFullLanguage)
{
if ((bool)marked.Invoke(null, BindingFlags.NonPublic | BindingFlags.Static, null, new object[] { arguments }, System.Globalization.CultureInfo.CurrentCulture))
{
throw new ValidationMetadataException(String.Format(Localization.LocalizationHost.Read("PSFramework.Assembly.Validation.UntrustedData"), arguments));
}
}
}