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>

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

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);
            }
        }
    }
}