NH-3807 - Guard System.Security permissions and attributes

Author: ngbrown

src/NHibernate/AssemblyInfo.cs

@@ -9,6 +9,8 @@
 [assembly: AssemblyProductAttribute("NHibernate")]
 [assembly: AssemblyCopyrightAttribute("Licensed under LGPL.")]
 [assembly: AssemblyDelaySignAttribute(false)]
+#if FEATURE_SECURITY_PERMISSIONS
 [assembly: AllowPartiallyTrustedCallersAttribute()]
 [assembly: SecurityRulesAttribute(SecurityRuleSet.Level1)]
+#endif
 

src/NHibernate/Bytecode/Lightweight/ReflectionOptimizer.cs

@@ -1,10 +1,13 @@
 using System.Reflection;
 using System.Reflection.Emit;
 using System.Security;
-using System.Security.Permissions;
 using NHibernate.Properties;
 using NHibernate.Util;
 
+#if FEATURE_SECURITY_PERMISSIONS
+using System.Security.Permissions;
+#endif
+
 namespace NHibernate.Bytecode.Lightweight
 {
 	public class ReflectionOptimizer : IReflectionOptimizer, IInstantiationOptimizer
@@ -100,9 +103,13 @@ protected virtual void ThrowExceptionForNoDefaultCtor(System.Type type)
 		protected DynamicMethod CreateDynamicMethod(System.Type returnType, System.Type[] argumentTypes)
 		{
 			System.Type owner = mappedType.GetTypeInfo().IsInterface ? typeof (object) : mappedType;
+#if FEATURE_SECURITY_PERMISSIONS
 #pragma warning disable 618
 			bool canSkipChecks = SecurityManager.IsGranted(new ReflectionPermission(ReflectionPermissionFlag.MemberAccess));
 #pragma warning restore 618
+#else
+			bool canSkipChecks = false;
+#endif
 			return new DynamicMethod(string.Empty, returnType, argumentTypes, owner, canSkipChecks);
 		}