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Simplify string obfuscation processing

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This commit is contained in:
Sinai 2021-05-07 01:53:02 +10:00
parent 8534c08f49
commit 56875e0641
3 changed files with 15 additions and 28 deletions
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32
src/Core/Reflection/Il2CppReflection.cs
View File

@ -64,7 +64,7 @@ namespace UnityExplorer
#region Deobfuscation cache #region Deobfuscation cache
private static readonly Dictionary<string, Type> DeobfuscatedTypes = new Dictionary<string, Type>(); private static readonly Dictionary<string, Type> DeobfuscatedTypes = new Dictionary<string, Type>();
//internal static Dictionary<string, string> s_deobfuscatedTypeNames = new Dictionary<string, string>(); private static readonly Dictionary<string, string> reverseDeobCache = new Dictionary<string, string>();
private static void BuildDeobfuscationCache() private static void BuildDeobfuscationCache()
{ {
@ -83,7 +83,6 @@ namespace UnityExplorer
try try
{ {
// Thanks to Slaynash for this // Thanks to Slaynash for this
if (type.CustomAttributes.Any(it => it.AttributeType.Name == "ObfuscatedNameAttribute")) if (type.CustomAttributes.Any(it => it.AttributeType.Name == "ObfuscatedNameAttribute"))
{ {
var cppType = Il2CppType.From(type); var cppType = Il2CppType.From(type);
@ -91,13 +90,21 @@ namespace UnityExplorer
if (!DeobfuscatedTypes.ContainsKey(cppType.FullName)) if (!DeobfuscatedTypes.ContainsKey(cppType.FullName))
{ {
DeobfuscatedTypes.Add(cppType.FullName, type); DeobfuscatedTypes.Add(cppType.FullName, type);
//s_deobfuscatedTypeNames.Add(cppType.FullName, type.FullName); reverseDeobCache.Add(type.FullName, cppType.FullName);
} }
} }
} }
catch { } catch { }
} }
internal override string Internal_ProcessTypeInString(string theString, Type type)
{
if (reverseDeobCache.TryGetValue(type.FullName, out string obName))
return theString.Replace(obName, type.FullName);
return theString;
}
#endregion #endregion
// Get type by name // Get type by name
@ -287,10 +294,7 @@ namespace UnityExplorer
return null; return null;
if (type.IsEnum) if (type.IsEnum)
{
// TODO not tested
return Il2CppSystem.Enum.ToObject(Il2CppType.From(type), (ulong)value); return Il2CppSystem.Enum.ToObject(Il2CppType.From(type), (ulong)value);
}
if (type.IsPrimitive && AllTypes.TryGetValue($"Il2Cpp{type.FullName}", out Type cppType)) if (type.IsPrimitive && AllTypes.TryGetValue($"Il2Cpp{type.FullName}", out Type cppType))
{ {
@ -358,22 +362,6 @@ namespace UnityExplorer
return s; return s;
} }
internal override string Internal_ProcessTypeInString(string theString, Type type, ref string typeName)
{
if (!Il2CppTypeNotNull(type))
return theString;
var cppType = Il2CppType.From(type);
if (cppType != null && DeobfuscatedTypes.ContainsKey(cppType.FullName))
{
typeName = DeobfuscatedTypes[cppType.FullName].FullName;
theString = theString.Replace(cppType.FullName, typeName);
}
return theString;
}
#endregion #endregion

6
src/Core/Reflection/ReflectionUtility.cs
View File

@ -105,10 +105,10 @@ namespace UnityExplorer
=> obj; => obj;
// Processing deobfuscated type names in strings // Processing deobfuscated type names in strings
public static string ProcessTypeInString(Type type, string theString, ref string typeName) public static string ProcessTypeInString(Type type, string theString)
=> Instance.Internal_ProcessTypeInString(theString, type, ref typeName); => Instance.Internal_ProcessTypeInString(theString, type);
internal virtual string Internal_ProcessTypeInString(string theString, Type type, ref string typeName) internal virtual string Internal_ProcessTypeInString(string theString, Type type)
=> theString; => theString;
// Force loading modules // Force loading modules

5
src/UI/Utility/ToStringUtility.cs
View File

@ -166,15 +166,14 @@ namespace UnityExplorer.UI.Utility
toString = ex.ReflectionExToString(); toString = ex.ReflectionExToString();
} }
string _ = null; toString = ReflectionUtility.ProcessTypeInString(type, toString);
toString = ReflectionUtility.ProcessTypeInString(type, toString, ref _);
#if CPP #if CPP
if (value is Il2CppSystem.Type cppType) if (value is Il2CppSystem.Type cppType)
{ {
var monoType = Il2CppReflection.GetUnhollowedType(cppType); var monoType = Il2CppReflection.GetUnhollowedType(cppType);
if (monoType != null) if (monoType != null)
toString = ReflectionUtility.ProcessTypeInString(monoType, toString, ref _); toString = ReflectionUtility.ProcessTypeInString(monoType, toString);
} }
#endif #endif