public SecurityDeclaration(SecurityAction action, PermissionSetSignature permissionSet)
: base(null, new MetadataToken(MetadataTokenType.DeclSecurity), new MetadataRow <ushort, uint, uint>())
{
Action = action;
_parent = new LazyValue <IHasSecurityAttribute>();
_permissionSet = new LazyValue <PermissionSetSignature>(permissionSet);
}
public SecurityDeclaration(SecurityAction action, PermissionSetSignature permissionSet)
: base(new MetadataToken(MetadataTokenType.DeclSecurity))
{
Action = action;
_parent = new LazyValue <IHasSecurityAttribute>();
_permissionSet = new LazyValue <PermissionSetSignature>(permissionSet);
CustomAttributes = new CustomAttributeCollection(this);
}
public void CreateSimpleSecurityDeclaration()
{
const string typeNamespace = "System.WitchCraft";
const string typeName = "MagicalWand";
// set up temp assembly.
var assembly = Utilities.CreateTempNetAssembly();
var tableStream = assembly.NetDirectory.MetadataHeader.GetStream <TableStream>();
var typeTable = tableStream.GetTable <TypeDefinition>();
var declarationTable = tableStream.GetTable <SecurityDeclaration>();
var importer = new ReferenceImporter(tableStream);
// create temp type.
var type = new TypeDefinition(typeNamespace, typeName);
type.MetadataRow.Column5 = 1; // FieldList
type.MetadataRow.Column6 = 2; // MethodList.
typeTable.Add(type);
// create attribute.
var securityAttribute = new SecurityAttributeSignature()
{
TypeName = typeof(TypeDescriptorPermissionAttribute).AssemblyQualifiedName,
};
// create permission set.
var permissionSet = new PermissionSetSignature();
permissionSet.Attributes.Add(securityAttribute);
// create declaration.
var declaration = new SecurityDeclaration(SecurityAction.Assert, permissionSet);
type.SecurityDeclarations.Add(declaration);
declarationTable.Add(declaration);
assembly = Utilities.RebuildNetAssembly(assembly);
tableStream = assembly.NetDirectory.MetadataHeader.GetStream <TableStream>();
typeTable = tableStream.GetTable <TypeDefinition>();
type = typeTable.First(x => x.IsTypeOf(typeNamespace, typeName));
Assert.IsTrue(type.SecurityDeclarations.Count > 0);
var newDeclaration = type.SecurityDeclarations[0];
Assert.AreEqual(declaration.Action, newDeclaration.Action);
Assert.AreEqual(declaration.PermissionSet.Attributes.Count, newDeclaration.PermissionSet.Attributes.Count);
for (int i = 0; i < declaration.PermissionSet.Attributes.Count; i++)
{
var attribute = declaration.PermissionSet.Attributes[i];
var newAttribute = newDeclaration.PermissionSet.Attributes[i];
Assert.AreEqual(attribute.TypeName, newAttribute.TypeName);
}
}
internal SecurityDeclaration(MetadataHeader header, MetadataToken token, MetadataRow <ushort, uint, uint> row)
: base(header, token, row)
{
Action = (SecurityAction)row.Column1;
var tableStream = header.GetStream <TableStream>();
_parent = new LazyValue <IHasSecurityAttribute>(() =>
{
var parentToken = tableStream.GetIndexEncoder(CodedIndex.HasDeclSecurity).DecodeIndex(row.Column2);
return(parentToken.Rid != 0 ? (IHasSecurityAttribute)tableStream.ResolveMember(parentToken) : null);
});
_permissionSet = new LazyValue <PermissionSetSignature>(() =>
PermissionSetSignature.FromReader(header, header.GetStream <BlobStream>().CreateBlobReader(row.Column3)));
}
internal SecurityDeclaration(MetadataImage image, MetadataRow <SecurityAction, uint, uint> row)
: base(row.MetadataToken)
{
_image = image;
var tableStream = image.Header.GetStream <TableStream>();
Action = row.Column1;
_parent = new LazyValue <IHasSecurityAttribute>(() =>
{
var parentToken = tableStream.GetIndexEncoder(CodedIndex.HasDeclSecurity).DecodeIndex(row.Column2);
return(parentToken.Rid != 0 ? (IHasSecurityAttribute)_image.ResolveMember(parentToken) : null);
});
_permissionSet = new LazyValue <PermissionSetSignature>(() =>
PermissionSetSignature.FromReader(image,
tableStream.MetadataHeader.GetStream <BlobStream>().CreateBlobReader(row.Column3)));
CustomAttributes = new CustomAttributeCollection(this);
}
/// <summary>
/// Creates a new instance of the <see cref="SecurityDeclaration"/> class.
/// </summary>
/// <param name="action"></param>
/// <param name="permissionSet"></param>
public SecurityDeclaration(SecurityAction action, PermissionSetSignature permissionSet)
: this(new MetadataToken(TableIndex.DeclSecurity, 0))
{
Action = action;
PermissionSet = permissionSet;
}
