109 lines
4.3 KiB
C#
109 lines
4.3 KiB
C#
// Copyright 2025 Code Philosophy
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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using Obfuz.Settings;
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using Obfuz.Utils;
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using System;
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using UnityEngine;
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namespace Obfuz.GarbageCodeGeneration
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{
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public class GarbageCodeGenerator
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{
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private const int CodeGenerationSecretKeyLength = 1024;
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private readonly GarbageCodeGenerationSettings _settings;
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private readonly int[] _intGenerationSecretKey;
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public GarbageCodeGenerator(GarbageCodeGenerationSettings settings)
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{
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_settings = settings;
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byte[] byteGenerationSecretKey = KeyGenerator.GenerateKey(settings.codeGenerationSecret, CodeGenerationSecretKeyLength);
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_intGenerationSecretKey = KeyGenerator.ConvertToIntKey(byteGenerationSecretKey);
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}
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public void Generate()
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{
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GenerateTask(_settings.defaultTask);
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if (_settings.additionalTasks != null && _settings.additionalTasks.Length > 0)
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{
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foreach (var task in _settings.additionalTasks)
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{
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GenerateTask(task);
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}
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}
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}
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public void CleanCodes()
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{
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Debug.Log($"Cleaning generated garbage codes begin.");
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if (_settings.defaultTask != null)
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{
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FileUtil.RemoveDir(_settings.defaultTask.outputPath, true);
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}
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if (_settings.additionalTasks != null && _settings.additionalTasks.Length > 0)
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{
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foreach (var task in _settings.additionalTasks)
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{
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FileUtil.RemoveDir(task.outputPath, true);
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}
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}
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}
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private void GenerateTask(GarbageCodeGenerationTask task)
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{
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Debug.Log($"Generating garbage code with seed: {task.codeGenerationRandomSeed}, class count: {task.classCount}, method count per class: {task.methodCountPerClass}, types: {task.garbageCodeType}, output path: {task.outputPath}");
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if (string.IsNullOrWhiteSpace(task.outputPath))
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{
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throw new Exception("outputPath of GarbageCodeGenerationTask is empty!");
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}
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var generator = CreateSpecificCodeGenerator(task.garbageCodeType);
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var parameters = new GenerationParameters
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{
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random = new RandomWithKey(_intGenerationSecretKey, task.codeGenerationRandomSeed),
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classNamespace = task.classNamespace,
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classNamePrefix = task.classNamePrefix,
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classCount = task.classCount,
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methodCountPerClass = task.methodCountPerClass,
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fieldCountPerClass = task.fieldCountPerClass,
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outputPath = task.outputPath,
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};
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generator.Generate(parameters);
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Debug.Log($"Generate garbage code end.");
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}
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private ISpecificGarbageCodeGenerator CreateSpecificCodeGenerator(GarbageCodeType type)
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{
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switch (type)
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{
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case GarbageCodeType.Config: return new ConfigGarbageCodeGenerator();
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case GarbageCodeType.UI: return new UIGarbageCodeGenerator();
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default: throw new NotSupportedException($"Garbage code type {type} is not supported.");
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}
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}
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}
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}
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