proguard代码混淆

2020-08-12  本文已影响0人  虾米咬小米

springboot项目混淆方案

proguard简单来说是为了防止反编译,更准确的说,进行业务代码的混淆,是使得代码易读性变差。
引入proguard-maven-plugin
一:

<plugin>
        <groupId>com.github.wvengen</groupId>
        <artifactId>proguard-maven-plugin</artifactId>
        <version>2.0.14</version>
        <executions>
          <execution>
            <phase>package</phase>
            <goals>
              <goal>proguard</goal>
            </goals>
          </execution>
        </executions>
        <configuration>
          <proguardVersion>6.0.3</proguardVersion>
          <injar>${project.build.finalName}.jar</injar>
          
          <outjar>${project.build.finalName}.jar</outjar>
          
                    <outjar>${project.build.finalName}.jar</outjar>
          -->
          <obfuscate>true</obfuscate>
          <options>
            <!--# JDK目标版本1.8-->
            <option>-target 1.8</option>
            <!-- 不做收缩(删除注释、未被引用代码)-->
            <option>-dontshrink</option>
            <!-- 不做优化(变更代码实现逻辑)-->
            <option>-dontoptimize</option>
            <!--  ##对于类成员的命名的混淆采取唯一策略-->
            <option>-useuniqueclassmembernames</option>
            <!--## 混淆类名之后,对使用Class.forName('className')之类的地方进行相应替代-->
            <option>-adaptclassstrings</option>
            <!--混淆时不生成大小写混合的类名,默认是可以大小写混合-->
            <option>-dontusemixedcaseclassnames</option>
            <!--忽略警告-->
            <option>-ignorewarnings</option>
            <!-- This option will replace all strings in reflections method invocations with new class names.
                 For example, invokes Class.forName('className')-->
            <!-- <option>-adaptclassstrings</option> -->
            <!-- This option will save all original annotations and etc. Otherwise all we be removed from files.-->
            <!-- 不混淆所有特殊的类-->
            <option>-keepattributes Exceptions,InnerClasses,Signature,Deprecated,
              SourceFile,LineNumberTable,*Annotation*,EnclosingMethod
            </option>
            <!-- This option will save all original names in interfaces (without obfuscate).-->
            <!--
                         <option>-keepnames interface **</option>
            -->
            <!-- This option will save all original methods parameters in files defined in -keep sections,
                 otherwise all parameter names will be obfuscate.-->

            <!--保留参数名字-->
            <option>-keepparameternames</option>
            <!--保留主进程入口-->
            <!--
                        <option>-keep @org.springframework.boot.autoconfigure.SpringBootApplication class * {*;}</option>
            -->
            <!-- <option>-libraryjars **</option> -->
            <!-- This option will save all original class files (without obfuscate) but obfuscate all in domain package.-->
            <!--<option>-keep class !com.slm.proguard.example.spring.boot.domain.** { *; }</option>-->

<!--
            <option>-keep class !com.bmsoft.graph.** { *; }</option>
-->
            <option>-keep class com.bmsoft.graph.config.** { *; }</option>
            <option>-keep class com.bmsoft.graph.LinkGraphApplication { *; }</option>
            <option>-keep class com.bmsoft.graph.mapper.** { *; }</option>
<!--
            <option>-keep class com.bmsoft.graph.auth.filter.** { *; }</option>
-->
            <option>-keep class com.bmsoft.graph.aspect.** { *; }</option>
            <option>-keep class com.bmsoft.graph.domain.** { *; }</option>
            <option>-keep class com.bmsoft.graph.controller.** { *; }</option>
<!--
            <option>-keep interface * extends * { *; }</option>
-->
             <!--##保留枚举成员及方法-->
            <option> -keepclassmembers enum * { *; }</option>
            <option>-keepclassmembers class * {
              <!-- @org.springframework.beans.factory.annotation.Autowired *; -->
              @org.springframework.beans.factory.annotation.Autowired *;
              @org.springframework.beans.factory.annotation.Value *;
              }
            </option>
          </options>
          <libs>
            <!-- Include main JAVA library required.-->
            <lib>${java.home}/lib/rt.jar</lib>
            <lib>${java.home}/lib/jce.jar</lib>
            <!-- <lib>${java.home}/lib/spring-boot-starter-web-1.4.1.RELEASE.jar</lib> -->
          </libs>
        </configuration>
        <dependencies>
          <dependency>
            <groupId>net.sf.proguard</groupId>
            <artifactId>proguard-base</artifactId>
            <version>6.0.3</version>
          </dependency>
        </dependencies>
      </plugin>

这里引用了com.github.wvengen的proguard-maven-plugin插件,使用的proguard-base版本是6.0.3
这里使用java8,因为libs那里照常配置rt.jar,jce.jar,如果是java9的话,则需要换成相应的模块。

另外指定proguard的阶段为package,springboot打包在repackage阶段

<plugin>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-maven-plugin</artifactId>
        <executions>
          <execution>
            <!-- <phase>none</phase> -->
            <goals>
              <goal>repackage</goal>
            </goals>
            <configuration>
              <mainClass>com.bmsoft.graph.LinkGraphApplication</mainClass>
            </configuration>
          </execution>
        </executions>
      </plugin>

bean命名重复异常
由于proguard混淆貌似不能指定混淆的类名在basePackages下面类名混淆后唯一,不同包名经常有a.class,b.class,c.class之类重复的类名,因此spring容器初始化bean的时候会报错。

异常信息如下:

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to parse configuration class [com.example.demo.MvcDemoApplication]; nested exception is org.springframework.context.annotation.ConflictingBeanDefinitionException: Annotation-specified bean name 'a' for bean class [com.example.demo.c.a]  with existing, non-compatible bean definition of same name and class [com.example.demo.b.a]
    at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:181) ~[spring-context-4.3.10.RELEASE.jar!/:4.3.10.RELEASE]

需要在更改bean 命名:

public class LinkGraphApplication {

  public static class CustomGenerator implements BeanNameGenerator {

    @Override
    public String generateBeanName(BeanDefinition definition, BeanDefinitionRegistry registry) {
      return definition.getBeanClassName();
    }
  }

  public static void main(String[] args) {
    new SpringApplicationBuilder(LinkGraphApplication.class)
        .beanNameGenerator(new CustomGenerator())
        .run(args);
  }
}

运行jar包
nohup java -jar jar包名.jar -&

可能出现的问题

Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'springfox.documentation.spring.web.scanners.ApiListingScanner' defined in URL 

项目中引入了swagger 插件,需要在打包的时候,不进行bean的初始化配置@ConditionalOnProperty()

@Configuration
@ConditionalOnProperty(prefix = "swagger", value = {"enable"}, havingValue = "true")
@EnableSwagger2
public class SwaggerConfig {
}

注意
-keep class 类/包.** 表示保留类名

-keepclassmembers class 类/包.**{ *;} 表示保留类下边的所有变量,均不混淆

参考:
springboot项目混淆方案

由于需要将源码打包做代码混淆,选择proguard,开始使用各种问题,各种jar包版本问题,但最终成功了,记录一下,也希望能够帮助大家

在pom中添加代码:

<build>
        <finalName>${artifactId}</finalName>
        <plugins>
            <plugin>
                <groupId>com.github.wvengen</groupId>
                <artifactId>proguard-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals><goal>proguard</goal></goals>
                    </execution>
                </executions>
                <configuration>
                    <proguardVersion>6.0.3</proguardVersion>
                    <injar>${project.build.finalName}.jar</injar>
                    <!-- <injar>classes</injar> -->
                    <outjar>${project.build.finalName}.jar</outjar>
                    <obfuscate>true</obfuscate>
                    <options>
                        <!-- 不做收缩(删除注释、未被引用代码)-->
                        <option>-dontshrink</option>
                        <!-- 不做优化(变更代码实现逻辑)-->
                        <option>-dontoptimize</option>
                        <!-- This option will replace all strings in reflections method invocations with new class names.
                             For example, invokes Class.forName('className')-->
                        <!-- <option>-adaptclassstrings</option> -->
                        <!-- This option will save all original annotations and etc. Otherwise all we be removed from files.-->
                        <!-- 不混淆所有特殊的类-->
                        <option>-keepattributes Exceptions,InnerClasses,Signature,Deprecated,
                            SourceFile,LineNumberTable,*Annotation*,EnclosingMethod</option>
                        <!-- This option will save all original names in interfaces (without obfuscate).-->
                        <option>-keepnames interface **</option>
                        <!-- This option will save all original methods parameters in files defined in -keep sections,
                             otherwise all parameter names will be obfuscate.-->
                        <option>-keepparameternames</option>
                        <!-- <option>-libraryjars **</option> -->
                        <!-- This option will save all original class files (without obfuscate) but obfuscate all in domain package.-->
                        <!--<option>-keep class !com.slm.proguard.example.spring.boot.domain.** { *; }</option>-->
                        <option>-keep class !com.ts.** { *; }</option>
                        <option>-keep class com.ts.Application { *; }</option>
                        <option>-keep class com.ts.SwaggerConfig { *; }</option>
                        <option>-keep class com.ts.common.** { *; }</option>
                        <option>-keep class com.ts.aop.** { *; }</option>
                        <option>-keep class com.ts.config.** { *; }</option>
                        <option>-keep class com.ts.sunshine.controller.** { *; }</option>
                        <!-- This option will save all original class files (without obfuscate) in service package-->
                        <!--<option>-keep class com.slm.proguard.example.spring.boot.service { *; }</option>-->
                        <!-- This option will save all original interfaces files (without obfuscate) in all packages.-->
                        <option>-keep interface * extends * { *; }</option>
                        <!-- <option>-keep @org.springframework.stereotype.Service class *</option> -->
                        <!-- This option will save all original defined annotations in all class in all packages.-->
                        <option>-keepclassmembers class * {
                                <!-- @org.springframework.beans.factory.annotation.Autowired *; -->
                                @org.springframework.beans.factory.annotation.Value *;
                            }
                        </option>
                    </options>
                    <libs>
                        <!-- Include main JAVA library required.-->
                        <lib>${java.home}/lib/rt.jar</lib>
                        <!-- <lib>${java.home}/lib/spring-boot-starter-web-1.4.1.RELEASE.jar</lib> -->
                    </libs>
                </configuration>
                <dependencies>
                    <dependency>
                        <groupId>net.sf.proguard</groupId>
                        <artifactId>proguard-base</artifactId>
                        <version>6.0.3</version>
                    </dependency>
                </dependencies>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <executions>
                    <execution>
                        <!-- <phase>none</phase> -->
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                        <configuration>
                            <mainClass>com.ts.Application</mainClass>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

注意:

-keep class 类/包.** 表示保留类名

-keepclassmembers class 类/包.**{ *;} 表示保留类下边的所有变量,均不混淆

参考:

springboot2.x+maven+proguard代码混淆

ProGuard代码混淆详细攻略

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