obfuz/Editor/ObfusPasses/ObfuscationMethodPassBase.cs

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2025-10-29 20:40:37 +08:00
// Copyright 2025 Code Philosophy
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
using dnlib.DotNet;
using System.Linq;
namespace Obfuz.ObfusPasses
{
public abstract class ObfuscationMethodPassBase : ObfuscationPassBase
{
protected virtual bool ForceProcessAllAssembliesAndIgnoreAllPolicy => false;
protected abstract bool NeedObfuscateMethod(MethodDef method);
protected abstract void ObfuscateData(MethodDef method);
public override void Process()
{
var ctx = ObfuscationPassContext.Current;
var modules = ForceProcessAllAssembliesAndIgnoreAllPolicy ? ctx.allObfuscationRelativeModules : ctx.modulesToObfuscate;
ObfuscationMethodWhitelist whiteList = ctx.whiteList;
ConfigurablePassPolicy passPolicy = ctx.passPolicy;
foreach (ModuleDef mod in modules)
{
if (!ForceProcessAllAssembliesAndIgnoreAllPolicy && whiteList.IsInWhiteList(mod))
{
continue;
}
// ToArray to avoid modify list exception
foreach (TypeDef type in mod.GetTypes().ToArray())
{
if (!ForceProcessAllAssembliesAndIgnoreAllPolicy && whiteList.IsInWhiteList(type))
{
continue;
}
// ToArray to avoid modify list exception
foreach (MethodDef method in type.Methods.ToArray())
{
if (!method.HasBody || (!ForceProcessAllAssembliesAndIgnoreAllPolicy && (ctx.whiteList.IsInWhiteList(method) || !Support(passPolicy.GetMethodObfuscationPasses(method)) || !NeedObfuscateMethod(method))))
{
continue;
}
// TODO if isGeneratedBy Obfuscator, continue
ObfuscateData(method);
}
}
}
}
}
}