void AnalyzeMethod(ConfuserContext context, INameService service, MethodDef method)
{
var dpRegInstrs = new List <Tuple <bool, Instruction> >();
var routedEvtRegInstrs = new List <Instruction>();
for (int i = 0; i < method.Body.Instructions.Count; i++)
{
Instruction instr = method.Body.Instructions[i];
if ((instr.OpCode.Code == Code.Call || instr.OpCode.Code == Code.Callvirt))
{
var regMethod = (IMethod)instr.Operand;
if (regMethod.DeclaringType.FullName == "System.Windows.DependencyProperty" &&
regMethod.Name.String.StartsWith("Register"))
{
dpRegInstrs.Add(Tuple.Create(regMethod.Name.String.StartsWith("RegisterAttached"), instr));
}
else if (regMethod.DeclaringType.FullName == "System.Windows.EventManager" &&
regMethod.Name.String == "RegisterRoutedEvent")
{
routedEvtRegInstrs.Add(instr);
}
}
else if (instr.OpCode.Code == Code.Newobj)
{
var methodRef = (IMethod)instr.Operand;
if (methodRef.DeclaringType.FullName == "System.Windows.Data.PropertyGroupDescription" &&
methodRef.Name == ".ctor" && i - 1 >= 0 && method.Body.Instructions[i - 1].OpCode.Code == Code.Ldstr)
{
foreach (var property in analyzer.LookupProperty((string)method.Body.Instructions[i - 1].Operand))
{
service.SetCanRename(property, false);
}
}
}
else if (instr.OpCode == OpCodes.Ldstr)
{
var operand = ((string)instr.Operand).ToUpperInvariant();
if (operand.EndsWith(".BAML") || operand.EndsWith(".XAML"))
{
var match = UriPattern.Match(operand);
var refModule = method.Module;
if (match.Success)
{
var resourceAssemblyName = match.Groups[1].Success ? match.Groups[1].Value : string.Empty;
// Check if the expression contains a resource name (group 1)
// If it does, check if it is this assembly.
if (!string.IsNullOrWhiteSpace(resourceAssemblyName) &&
!resourceAssemblyName.Equals(method.Module.Assembly.Name.String, StringComparison.OrdinalIgnoreCase))
{
// Let's see if we can find this assembly.
refModule = context.Modules.FirstOrDefault(m =>
resourceAssemblyName.Equals(m.Assembly.Name.String,
StringComparison.OrdinalIgnoreCase));
if (refModule == null)
{
// This resource points to an assembly that is not part of the obfuscation.
// Leave it alone!
return;
}
}
operand = match.Groups[2].Value;
}
else if (operand.Contains("/"))
{
context.Logger.WarnFormat("Fail to extract XAML name from '{0}'.", instr.Operand);
}
var reference = new BAMLStringReference(refModule, instr);
operand = WebUtility.UrlDecode(operand.TrimStart('/'));
var baml = operand.Substring(0, operand.Length - 5) + ".BAML";
var xaml = operand.Substring(0, operand.Length - 5) + ".XAML";
bamlRefs.AddListEntry(baml, reference);
bamlRefs.AddListEntry(xaml, reference);
}
}
}
if (dpRegInstrs.Count == 0)
{
return;
}
var traceSrv = context.Registry.GetService <ITraceService>();
MethodTrace trace = traceSrv.Trace(method);
bool erred = false;
foreach (var instrInfo in dpRegInstrs)
{
int[] args = trace.TraceArguments(instrInfo.Item2);
if (args == null)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract dependency property name in '{0}'.", method.FullName);
}
erred = true;
continue;
}
Instruction ldstr = method.Body.Instructions[args[0]];
if (ldstr.OpCode.Code != Code.Ldstr)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract dependency property name in '{0}'.", method.FullName);
}
erred = true;
continue;
}
var name = (string)ldstr.Operand;
TypeDef declType = method.DeclaringType;
bool found = false;
if (instrInfo.Item1) // Attached DP
{
MethodDef accessor;
if ((accessor = declType.FindMethod("Get" + name)) != null && accessor.IsStatic)
{
service.SetCanRename(accessor, false);
found = true;
}
if ((accessor = declType.FindMethod("Set" + name)) != null && accessor.IsStatic)
{
service.SetCanRename(accessor, false);
found = true;
}
}
// Normal DP
// Find CLR property for attached DP as well, because it seems attached DP can be use as normal DP as well.
PropertyDef property = null;
if ((property = declType.FindProperty(name)) != null)
{
service.SetCanRename(property, false);
found = true;
if (property.GetMethod != null)
{
service.SetCanRename(property.GetMethod, false);
}
if (property.SetMethod != null)
{
service.SetCanRename(property.SetMethod, false);
}
if (property.HasOtherMethods)
{
foreach (MethodDef accessor in property.OtherMethods)
{
service.SetCanRename(accessor, false);
}
}
}
if (!found)
{
if (instrInfo.Item1)
{
context.Logger.WarnFormat("Failed to find the accessors of attached dependency property '{0}' in type '{1}'.",
name, declType.FullName);
}
else
{
context.Logger.WarnFormat("Failed to find the CLR property of normal dependency property '{0}' in type '{1}'.",
name, declType.FullName);
}
}
}
erred = false;
foreach (Instruction instr in routedEvtRegInstrs)
{
int[] args = trace.TraceArguments(instr);
if (args == null)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract routed event name in '{0}'.", method.FullName);
}
erred = true;
continue;
}
Instruction ldstr = method.Body.Instructions[args[0]];
if (ldstr.OpCode.Code != Code.Ldstr)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract routed event name in '{0}'.", method.FullName);
}
erred = true;
continue;
}
var name = (string)ldstr.Operand;
TypeDef declType = method.DeclaringType;
EventDef eventDef = null;
if ((eventDef = declType.FindEvent(name)) == null)
{
context.Logger.WarnFormat("Failed to find the CLR event of routed event '{0}' in type '{1}'.",
name, declType.FullName);
continue;
}
service.SetCanRename(eventDef, false);
if (eventDef.AddMethod != null)
{
service.SetCanRename(eventDef.AddMethod, false);
}
if (eventDef.RemoveMethod != null)
{
service.SetCanRename(eventDef.RemoveMethod, false);
}
if (eventDef.InvokeMethod != null)
{
service.SetCanRename(eventDef.InvokeMethod, false);
}
if (eventDef.HasOtherMethods)
{
foreach (MethodDef accessor in eventDef.OtherMethods)
{
service.SetCanRename(accessor, false);
}
}
}
}
private void AnalyzeMethod(ConfuserContext context, INameService service, MethodDef method)
{
var dpRegInstrs = new List <Tuple <bool, Instruction> >();
var routedEvtRegInstrs = new List <Instruction>();
for (var i = 0; i < method.Body.Instructions.Count; i++)
{
var instr = method.Body.Instructions[i];
if (instr.OpCode.Code == Code.Call || instr.OpCode.Code == Code.Callvirt)
{
var regMethod = (IMethod)instr.Operand;
if (regMethod.DeclaringType.FullName == "System.Windows.DependencyProperty" &&
regMethod.Name.String.StartsWith("Register"))
{
dpRegInstrs.Add(Tuple.Create(regMethod.Name.String.StartsWith("RegisterAttached"), instr));
}
else if (regMethod.DeclaringType.FullName == "System.Windows.EventManager" &&
regMethod.Name.String == "RegisterRoutedEvent")
{
routedEvtRegInstrs.Add(instr);
}
}
else if (instr.OpCode.Code == Code.Newobj)
{
var methodRef = (IMethod)instr.Operand;
if (methodRef.DeclaringType.FullName == "System.Windows.Data.PropertyGroupDescription" &&
methodRef.Name == ".ctor" && i - 1 >= 0 && method.Body.Instructions[i - 1].OpCode.Code == Code.Ldstr)
{
foreach (var property in analyzer.LookupProperty((string)method.Body.Instructions[i - 1].Operand))
{
service.SetCanRename(property, false);
}
}
}
else if (instr.OpCode == OpCodes.Ldstr)
{
var operand = ((string)instr.Operand).ToUpperInvariant();
if (operand.EndsWith(".BAML") || operand.EndsWith(".XAML"))
{
var match = UriPattern.Match(operand);
if (match.Success)
{
operand = match.Groups[1].Value;
}
else if (operand.Contains("/"))
{
context.Logger.WarnFormat("Fail to extract XAML name from '{0}'.", instr.Operand);
}
var reference = new BAMLStringReference(instr);
operand = operand.TrimStart('/');
var baml = operand.Substring(0, operand.Length - 5) + ".BAML";
var xaml = operand.Substring(0, operand.Length - 5) + ".XAML";
bamlRefs.AddListEntry(baml, reference);
bamlRefs.AddListEntry(xaml, reference);
}
}
}
if (dpRegInstrs.Count == 0)
{
return;
}
var traceSrv = context.Registry.GetService <ITraceService>();
var trace = traceSrv.Trace(method);
var erred = false;
foreach (var instrInfo in dpRegInstrs)
{
var args = trace.TraceArguments(instrInfo.Item2);
if (args == null)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract dependency property name in '{0}'.", method.FullName);
}
erred = true;
continue;
}
var ldstr = method.Body.Instructions[args[0]];
if (ldstr.OpCode.Code != Code.Ldstr)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract dependency property name in '{0}'.", method.FullName);
}
erred = true;
continue;
}
var name = (string)ldstr.Operand;
var declType = method.DeclaringType;
var found = false;
if (instrInfo.Item1) // Attached DP
{
MethodDef accessor;
if ((accessor = declType.FindMethod("Get" + name)) != null && accessor.IsStatic)
{
service.SetCanRename(accessor, false);
found = true;
}
if ((accessor = declType.FindMethod("Set" + name)) != null && accessor.IsStatic)
{
service.SetCanRename(accessor, false);
found = true;
}
}
// Normal DP
// Find CLR property for attached DP as well, because it seems attached DP can be use as normal DP as well.
PropertyDef property = null;
if ((property = declType.FindProperty(name)) != null)
{
service.SetCanRename(property, false);
found = true;
if (property.GetMethod != null)
{
service.SetCanRename(property.GetMethod, false);
}
if (property.SetMethod != null)
{
service.SetCanRename(property.SetMethod, false);
}
if (property.HasOtherMethods)
{
foreach (var accessor in property.OtherMethods)
{
service.SetCanRename(accessor, false);
}
}
}
if (!found)
{
if (instrInfo.Item1)
{
context.Logger.WarnFormat("Failed to find the accessors of attached dependency property '{0}' in type '{1}'.",
name, declType.FullName);
}
else
{
context.Logger.WarnFormat("Failed to find the CLR property of normal dependency property '{0}' in type '{1}'.",
name, declType.FullName);
}
}
}
erred = false;
foreach (var instr in routedEvtRegInstrs)
{
var args = trace.TraceArguments(instr);
if (args == null)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract routed event name in '{0}'.", method.FullName);
}
erred = true;
continue;
}
var ldstr = method.Body.Instructions[args[0]];
if (ldstr.OpCode.Code != Code.Ldstr)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract routed event name in '{0}'.", method.FullName);
}
erred = true;
continue;
}
var name = (string)ldstr.Operand;
var declType = method.DeclaringType;
EventDef eventDef = null;
if ((eventDef = declType.FindEvent(name)) == null)
{
context.Logger.WarnFormat("Failed to find the CLR event of routed event '{0}' in type '{1}'.",
name, declType.FullName);
continue;
}
service.SetCanRename(eventDef, false);
if (eventDef.AddMethod != null)
{
service.SetCanRename(eventDef.AddMethod, false);
}
if (eventDef.RemoveMethod != null)
{
service.SetCanRename(eventDef.RemoveMethod, false);
}
if (eventDef.InvokeMethod != null)
{
service.SetCanRename(eventDef.InvokeMethod, false);
}
if (eventDef.HasOtherMethods)
{
foreach (var accessor in eventDef.OtherMethods)
{
service.SetCanRename(accessor, false);
}
}
}
}
// Token: 0x06000044 RID: 68 RVA: 0x00004ED4 File Offset: 0x000030D4
private void AnalyzeMethod(ConfuserContext context, INameService service, MethodDef method)
{
List <Tuple <bool, Instruction> > dpRegInstrs = new List <Tuple <bool, Instruction> >();
List <Instruction> routedEvtRegInstrs = new List <Instruction>();
foreach (Instruction instr in method.Body.Instructions)
{
if (instr.OpCode.Code == Code.Call || instr.OpCode.Code == Code.Callvirt)
{
IMethod regMethod = (IMethod)instr.Operand;
if (regMethod.DeclaringType.FullName == "System.Windows.DependencyProperty" && regMethod.Name.String.StartsWith("Register"))
{
dpRegInstrs.Add(Tuple.Create <bool, Instruction>(regMethod.Name.String.StartsWith("RegisterAttached"), instr));
}
else if (regMethod.DeclaringType.FullName == "System.Windows.EventManager" && regMethod.Name.String == "RegisterRoutedEvent")
{
routedEvtRegInstrs.Add(instr);
}
}
else if (instr.OpCode == OpCodes.Ldstr)
{
string operand = ((string)instr.Operand).ToUpperInvariant();
if (operand.EndsWith(".BAML") || operand.EndsWith(".XAML"))
{
Match match = WPFAnalyzer.UriPattern.Match(operand);
if (match.Success)
{
operand = match.Groups[1].Value;
}
BAMLStringReference reference = new BAMLStringReference(instr);
operand = operand.TrimStart(new char[]
{
'/'
});
string baml = operand.Substring(0, operand.Length - 5) + ".BAML";
string xaml = operand.Substring(0, operand.Length - 5) + ".XAML";
this.bamlRefs.AddListEntry(baml, reference);
this.bamlRefs.AddListEntry(xaml, reference);
}
}
}
if (dpRegInstrs.Count == 0)
{
return;
}
ITraceService traceSrv = context.Registry.GetService <ITraceService>();
MethodTrace trace = traceSrv.Trace(method);
bool erred = false;
foreach (Tuple <bool, Instruction> instrInfo in dpRegInstrs)
{
int[] args = trace.TraceArguments(instrInfo.Item2);
if (args == null)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract dependency property name in '{0}'.", new object[]
{
method.FullName
});
}
erred = true;
}
else
{
Instruction ldstr = method.Body.Instructions[args[0]];
if (ldstr.OpCode.Code != Code.Ldstr)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract dependency property name in '{0}'.", new object[]
{
method.FullName
});
}
erred = true;
}
else
{
string name = (string)ldstr.Operand;
TypeDef declType = method.DeclaringType;
bool found = false;
if (instrInfo.Item1)
{
MethodDef accessor;
if ((accessor = declType.FindMethod("Get" + name)) != null && accessor.IsStatic)
{
service.SetCanRename(accessor, false);
found = true;
}
if ((accessor = declType.FindMethod("Set" + name)) != null && accessor.IsStatic)
{
service.SetCanRename(accessor, false);
found = true;
}
}
PropertyDef property;
if ((property = declType.FindProperty(name)) != null)
{
service.SetCanRename(property, false);
found = true;
if (property.GetMethod != null)
{
service.SetCanRename(property.GetMethod, false);
}
if (property.SetMethod != null)
{
service.SetCanRename(property.SetMethod, false);
}
if (property.HasOtherMethods)
{
foreach (MethodDef accessor2 in property.OtherMethods)
{
service.SetCanRename(accessor2, false);
}
}
}
if (!found)
{
if (instrInfo.Item1)
{
context.Logger.WarnFormat("Failed to find the accessors of attached dependency property '{0}' in type '{1}'.", new object[]
{
name,
declType.FullName
});
}
else
{
context.Logger.WarnFormat("Failed to find the CLR property of normal dependency property '{0}' in type '{1}'.", new object[]
{
name,
declType.FullName
});
}
}
}
}
}
erred = false;
foreach (Instruction instr2 in routedEvtRegInstrs)
{
int[] args2 = trace.TraceArguments(instr2);
if (args2 == null)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract routed event name in '{0}'.", new object[]
{
method.FullName
});
}
erred = true;
}
else
{
Instruction ldstr2 = method.Body.Instructions[args2[0]];
if (ldstr2.OpCode.Code != Code.Ldstr)
{
if (!erred)
{
context.Logger.WarnFormat("Failed to extract routed event name in '{0}'.", new object[]
{
method.FullName
});
}
erred = true;
}
else
{
string name2 = (string)ldstr2.Operand;
TypeDef declType2 = method.DeclaringType;
EventDef eventDef;
if ((eventDef = declType2.FindEvent(name2)) == null)
{
context.Logger.WarnFormat("Failed to find the CLR event of routed event '{0}' in type '{1}'.", new object[]
{
name2,
declType2.FullName
});
}
else
{
service.SetCanRename(eventDef, false);
if (eventDef.AddMethod != null)
{
service.SetCanRename(eventDef.AddMethod, false);
}
if (eventDef.RemoveMethod != null)
{
service.SetCanRename(eventDef.RemoveMethod, false);
}
if (eventDef.InvokeMethod != null)
{
service.SetCanRename(eventDef.InvokeMethod, false);
}
if (eventDef.HasOtherMethods)
{
foreach (MethodDef accessor3 in eventDef.OtherMethods)
{
service.SetCanRename(accessor3, false);
}
}
}
}
}
}
}
