// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
//
using System;
using System.Diagnostics;
using System.Diagnostics.Contracts;
using System.Security.Permissions;
using Microsoft.Win32;
namespace System.Security
{
internal static class BuiltInPermissionSets
{
//
// Raw PermissionSet XML - the built in permission sets are expressed in XML form since they contain
// permissions from assemblies other than mscorlib.
//
private static readonly string s_everythingXml =
@"
";
private static readonly string s_executionXml =
@"
";
private static readonly string s_fullTrustXml =
@"";
private static readonly string s_internetXml =
@"
";
private static readonly string s_localIntranetXml =
@"
";
private static readonly string s_nothingXml =
@"";
private static readonly string s_skipVerificationXml =
@"
";
//
// Built in permission set objects
//
private static NamedPermissionSet s_everything;
private static NamedPermissionSet s_execution;
private static NamedPermissionSet s_fullTrust;
private static NamedPermissionSet s_internet;
private static NamedPermissionSet s_localIntranet;
private static NamedPermissionSet s_nothing;
private static NamedPermissionSet s_skipVerification;
//
// Standard permission sets
//
internal static NamedPermissionSet Everything
{
get { return GetOrDeserializeExtendablePermissionSet(ref s_everything, s_everythingXml); }
}
internal static NamedPermissionSet Execution
{
get { return GetOrDeserializePermissionSet(ref s_execution, s_executionXml); }
}
internal static NamedPermissionSet FullTrust
{
get { return GetOrDeserializePermissionSet(ref s_fullTrust, s_fullTrustXml); }
}
internal static NamedPermissionSet Internet
{
get { return GetOrDeserializeExtendablePermissionSet(ref s_internet, s_internetXml); }
}
internal static NamedPermissionSet LocalIntranet
{
get { return GetOrDeserializeExtendablePermissionSet(ref s_localIntranet, s_localIntranetXml); }
}
internal static NamedPermissionSet Nothing
{
get { return GetOrDeserializePermissionSet(ref s_nothing, s_nothingXml); }
}
internal static NamedPermissionSet SkipVerification
{
get { return GetOrDeserializePermissionSet(ref s_skipVerification, s_skipVerificationXml); }
}
//
// Utility methods to construct the permission set objects from the well known XML and any permission
// set extensions if necessary
//
private static NamedPermissionSet GetOrDeserializeExtendablePermissionSet(
ref NamedPermissionSet permissionSet,
string permissionSetXml)
{
Contract.Requires(!String.IsNullOrEmpty(permissionSetXml));
return permissionSet.Copy() as NamedPermissionSet;
}
private static NamedPermissionSet GetOrDeserializePermissionSet(ref NamedPermissionSet permissionSet,
string permissionSetXml)
{
Debug.Assert(!String.IsNullOrEmpty(permissionSetXml));
return permissionSet.Copy() as NamedPermissionSet;
}
}
}