贴一段自动编译java，并混淆编译的代码

刚写的一个自动编译、混淆、打包jar的代码，做个记录

用到的NuGet：

<?xml version="1.0" encoding="utf-8"?>
<packages>
  <package id="DotNetZip" version="1.10.1" targetFramework="net45" />
  <package id="Newtonsoft.Json" version="10.0.2" targetFramework="net45" />
</packages>

　　

using Ionic.Zip;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ApiCloudModulePackage
{
    class Program
    {
        static string tempPath;
        static ToolConfig toolConfig;
        static void Main(string[] args)
        {
            tempPath = Path.GetTempPath() + Guid.NewGuid().ToString("N") + "\\";
            if (Directory.Exists(tempPath) == false)
            {
                Directory.CreateDirectory(tempPath);
            }
            toolConfig = Newtonsoft.Json.JsonConvert.DeserializeObject<ToolConfig>( File.ReadAllText(AppDomain.CurrentDomain.BaseDirectory + "projects.json") );
            try
            {
                foreach (ProjectConfig project in toolConfig.projects)
                {
                    //compile jar
                    jarProject(project);
                }

                Console.Write("需要现在生成模块的zip文件吗？[y/n]：");
                while(true)
                {
                    var keyResult = Console.ReadKey();
                    if (keyResult.Key == ConsoleKey.Y)
                    {
                        Console.WriteLine("\r\n");
                        //make zip file from module folder
                        foreach (var moduleFolder in toolConfig.modules)
                        {
                            makeZip(getPathFromConfig(moduleFolder));
                            Console.WriteLine("打包输出：" + moduleFolder + ".zip");
                        }
                        break;
                    }
                    else if (keyResult.Key == ConsoleKey.N)
                    {
                        Process.GetCurrentProcess().Kill();
                    }
                }

                Console.WriteLine("打包完成!  按任意键退出");
            }
            catch(Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            try
            {
                Directory.Delete(tempPath, true);
            }
            catch
            {
            }

            Console.ReadKey();
        }

        static void makeZip(string folder)
        {
            string zipfilepath = Path.GetDirectoryName(folder) + "\\" + Path.GetFileName(folder) + ".zip";
            if (File.Exists(zipfilepath))
                File.Delete(zipfilepath);
            using (ZipFile zip = new ZipFile(zipfilepath))
            {
                string root = Path.GetFileName(folder);
                zip.AddDirectoryByName(root);
                zip.AddDirectory(folder , root);
                zip.Save();
            }
        }

        static void jarProject(ProjectConfig project)
        {
            Console.WriteLine("正在编译" + project.sourceFolder);
            string srcPath = getPathFromConfig(project.sourceFolder);
            //create temp folder
            string tempFolder = tempPath + Guid.NewGuid().ToString("N") + "\\";
            string classTempFolder = tempFolder + Guid.NewGuid().ToString("N") + "\\";
            string jarDstFolder = tempFolder + "jar\\";
            string proguardFolder = tempFolder + "jar\\";

            if (Directory.Exists(jarDstFolder) == false)
            {
                Directory.CreateDirectory(jarDstFolder);
            }
            if (Directory.Exists(classTempFolder) == false)
            {
                Directory.CreateDirectory(classTempFolder);
            }
            List<string> javaFiles = new List<string>();
            getFiles(javaFiles, srcPath , "*.java");
            //copy java files to temp folder
            string encoding = null;
            foreach( string javafile in javaFiles )
            {
                if(encoding == null)
                {
                    var encode = GetFileEncodeType(javafile);
                    if(encode == System.Text.Encoding.UTF8)
                    {
                        encoding = "utf-8";
                    }
                    else
                    {
                        encoding = "GBK";
                    }
                }
                File.Copy(javafile, tempFolder + Path.GetFileName(javafile) , true);
            }
            StringBuilder libJars = new StringBuilder();
            StringBuilder proguardJars = new StringBuilder();
            if (!string.IsNullOrEmpty(project.libPath))
            {
                List<string> jarList = new List<string>();
                Program.getFiles(jarList, Program.getPathFromConfig(project.libPath), "*.jar");

                if (jarList.Count > 0)
                {
                    libJars.Append(" -cp ");
                    foreach (string jarfile in jarList)
                    {
                        libJars.Append('"');
                        libJars.Append(jarfile);
                        libJars.Append('"');
                        libJars.Append(';');
                        proguardJars.Append(" -libraryjars ");
                        proguardJars.Append('"');
                        proguardJars.Append(jarfile);
                        proguardJars.Append('"');
                    }
                }
            }

            ProcessStartInfo proStartInfo = new ProcessStartInfo("javac");
            // -source 1.6 -target 1.6 表示按照jdk1.6标准编译，默认是1.8，太高了，eclipse使用时会出错，因为eclipse项目里面设置的是1.6
            proStartInfo.Arguments = $"-Xlint:unchecked -Xlint:deprecation -source 1.6 -target 1.6 -encoding {encoding} -bootclasspath {AppDomain.CurrentDomain.BaseDirectory}android.jar {libJars} -d {classTempFolder} {tempFolder}*.java";
            proStartInfo.UseShellExecute = false;
            Process process = Process.Start(proStartInfo);
            process.WaitForExit();

            if(true)
            {
                //build jar, jar file actually is zip file
                using (ZipFile zip = new ZipFile($"{jarDstFolder}result.jar"))
                {
                    zip.AddDirectory(classTempFolder);

                    var content = @"Manifest-Version: 1.0
Created-By: 1.8.0_40 (Oracle Corporation)

";
                    byte[] bs = System.Text.Encoding.UTF8.GetBytes(content);
                    zip.AddEntry("META-INF/MANIFEST.MF", bs);
                    zip.Save();
                }
            }
            else
            {
                ////这里是利用jar程序生成jar文件
                //List<string> classFiles = new List<string>();
                //getFiles(classFiles, tempFolder, "*.class");
                //foreach (string classfile in classFiles)
                //{
                //    File.Copy(classfile, jarDstFolder + Path.GetFileName(classfile), true);
                //}
                //proStartInfo = new ProcessStartInfo("jar");
                //proStartInfo.Arguments = $"cvf {jarDstFolder}result.jar {jarDstFolder}*.class";
                //proStartInfo.UseShellExecute = false;
                //process = Process.Start(proStartInfo);
                //process.WaitForExit();
            }

            if(!string.IsNullOrEmpty(project.proguardConfigFile))
            {
                Console.WriteLine("正在混淆代码...");
                process = Process.Start(new ProcessStartInfo("java")
                {
                    Arguments = $"-jar proguard.jar @{project.proguardConfigFile} -injars {proguardFolder}result.jar -outjars {proguardFolder}result2.jar -libraryjars android.jar {proguardJars}",
                    UseShellExecute = false
                });
                process.WaitForExit();
                if (!File.Exists(string.Format("{0}result2.jar", proguardFolder)))
                {
                    throw new Exception(project.sourceFolder + "代码混淆出错");
                }
                File.Delete( $"{proguardFolder}result.jar");
                File.Move($"{proguardFolder}result2.jar", $"{proguardFolder}result.jar");
            }

            if (File.Exists($"{jarDstFolder}result.jar") == false)
                throw new Exception("编译"+ project.sourceFolder +"失败！");

            //copy jar to destination
            foreach ( var dstpath in project.buildDestinations )
            {
                string destination = getPathFromConfig(dstpath);
                File.Copy($"{jarDstFolder}result.jar", destination, true);
                Console.WriteLine($"Maked {destination}");
            }
        }

        static System.Text.Encoding GetFileEncodeType(string filename)
        {
            using (System.IO.FileStream fs = new System.IO.FileStream(filename, System.IO.FileMode.Open, System.IO.FileAccess.Read))
            {
                System.IO.BinaryReader br = new System.IO.BinaryReader(fs);
                Byte[] buffer = br.ReadBytes(2);
                if (buffer[0] >= 0xEF)
                {
                    if (buffer[0] == 0xEF && buffer[1] == 0xBB)
                    {
                        return System.Text.Encoding.UTF8;
                    }
                    else if (buffer[0] == 0xFE && buffer[1] == 0xFF)
                    {
                        return System.Text.Encoding.BigEndianUnicode;
                    }
                    else if (buffer[0] == 0xFF && buffer[1] == 0xFE)
                    {
                        return System.Text.Encoding.Unicode;
                    }
                    else
                    {
                        return System.Text.Encoding.Default;
                    }
                }
                else
                {
                    return System.Text.Encoding.Default;
                }
            }
        }

        static string getPathFromConfig(string path)
        {
            if (path[1] == ':')
                return path.Replace("/", "\\");
            else
                {
                return AppDomain.CurrentDomain.BaseDirectory + path.Replace("/", "\\");
            }

        }

        static void getFiles(List<string> result, string folder , string pattern)
        {
            var files = Directory.GetFiles(folder, pattern);
            result.AddRange(files);

            var dirs = Directory.GetDirectories(folder);
            foreach( var dir in dirs )
            {
                getFiles(result, dir , pattern);
            }
        }
    }
}