【SpringBoot】代码混淆

混淆

https://gitee.com/minhengqiang/proguard-spring-boot-example/blob/master/pom.xml
链接项目pom.xml有proguard混淆的基本配置，其中混淆程度需要根据项目具体摸索

自动化

将混淆后的代码打包
1、只保留混淆的代码
需要注意几点，injar标签中使用classes（因为最终repackge是替换jar包中的classes）outjar标签要和最终jar相同名称。不要用inFilter标签过滤，过滤了什么，jar包就少了什么。
2、保留混淆和非混淆的
之前

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <dependencies>
                    <dependency>
                        <groupId>org.springframework</groupId>
                        <artifactId>spring-instrument</artifactId>
                        <version>${spring.version}</version>
                    </dependency>
                </dependencies>
                <configuration>
                    <argLine>-javaagent:${settings.localRepository}/org/springframework/spring-instrument/${spring.version}/spring-instrument-${spring.version}.jar</argLine>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <includeSystemScope>true</includeSystemScope>
                    <agent>${settings.localRepository}/org/springframework/spring-instrument/${spring.version}/spring-instrument-${spring.version}.jar</agent>
                </configuration>
            </plugin>

之后

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-antrun-plugin</artifactId>
                <version>1.8</version>
                <executions>
                    <execution>
                        <id>repackage</id>
                        <phase>package</phase>
                        <configuration>
                            <target>
                                <ant antfile="${basedir}/build.xml">
                                    <target name = "repackage" />
                                </ant>
                            </target>
                        </configuration>
                        <goals>
                            <goal>run</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>

build.xml

<?xml version="1.0"?>
<project name="test6">
    <property name="buildDir" location="${basedir}/target" />
    <property name="binDir" location="${buildDir}/bin" />
    <property name="guardJar" value="dems-0.0.1-SNAPSHOT-pg.jar" />
    <property name="demsJar" value="dems-0.0.1-SNAPSHOT.jar" />
    <property name="comDir" value="${binDir}/BOOT-INF/classes" />
    <property name="guardClasses" value="classes-pg/com" />
    <target name="init">
        <delete dir="${binDir}"/>
        <mkdir dir="${binDir}"/>
    </target>

    <target name="unzip" depends="init">
        <unzip dest="${binDir}">
            <fileset dir="${buildDir}">
                <include name="${demsJar}" />
            </fileset>
        </unzip>
    </target>

    <target name="replace" depends="unzip">
        <delete dir="${comDir}/com" />
        <copy toDir="${comDir}/com">
            <fileset dir="${buildDir}/${guardClasses}"/>
        </copy>
    </target>

    <target name="mkjar" depends="replace">
        <jar jarfile="${buildDir}/${guardJar}" manifest="${binDir}/META-INF/MANIFEST.MF" compress="false">
            <fileset dir="${binDir}"/>
        </jar>
    </target>

    <target name="repackage" depends="init, unzip, replace, mkjar">
        <echo message="guard version repackaged!!!"/>
    </target>
</project>

技巧
https://blog.csdn.net/jacke121/article/details/73756949

换句话说，请确保您的选项中没有以下内容
-keepattributes LocalVariableTable,LocalVariableTypeTable