public static void CommenceRickroll(ConfuserContext context, ModuleDef module)
{
var marker = context.Registry.GetService <IMarkerService>();
var nameService = context.Registry.GetService <INameService>();
var injection = Injection.Replace("REPL", EscapeScript(JS));
var globalType = module.GlobalType;
var newType = new TypeDefUser(injection, module.CorLibTypes.Object.ToTypeDefOrRef());
newType.Attributes |= TypeAttributes.NestedPublic;
globalType.NestedTypes.Add(newType);
var trap = new MethodDefUser(
NameService.RandomNameStatic(),
MethodSig.CreateStatic(module.CorLibTypes.Void),
MethodAttributes.Public | MethodAttributes.Static);
trap.Body = new CilBody();
trap.Body.Instructions.Add(Instruction.Create(OpCodes.Ret));
newType.Methods.Add(trap);
marker.Mark(newType, null);
marker.Mark(trap, null);
nameService.SetCanRename(trap, false);
foreach (var method in module.GetTypes().SelectMany(type => type.Methods))
{
if (method != trap && method.HasBody)
{
method.Body.Instructions.Insert(0, Instruction.Create(OpCodes.Call, newType));
}
method.Body.Instructions.Insert(0, Instruction.Create(OpCodes.Call, trap));
}
}