allatori入门

需要去官网下载allatori jar。

1、下载的jar可以放到项目可以读到的地方。

2、编写混淆配置allatori.xml

示例配置：

<?xml version="1.0" encoding="utf-8"?>
<!--混淆插件配置文件-->
<config>
    <!-- 输入和输出jar配置，out指向的是加密后的jar -->
   <input>
        <jar in="${project.build.finalName}.jar" out="${project.build.finalName}.jar"/>
    </input>
      <!--配置混淆的名称-->
      <property name="packages-naming" value="custom(proguard.txt)"/>
      <property name="classes-naming" value="custom(proguard.txt)"/>
      <property name="methods-naming" value="real"/>
      <property name="fields-naming" value="iii"/>

    <!--方法参数名称保持不变，避免公共api接口等出现异常 -->
    <property name="local-variables-naming" value="keep-parameters"/>
   <!-- <keep-names>
        &lt;!&ndash; protected/public的都保留名称 &ndash;&gt;
        <class access="protected+">
            <field access="protected+" />
            <method access="protected+" />
        </class>
    </keep-names>-->

    <!--keep-names 和 ignore-classes的区别是，
    keep-names如果只是指定class，则该class不会纳入混淆、class下的method、field都会混淆。
    ignore-classes是指定class包括method、field都不会纳入混淆
    -->
    <keep-names>
        <class template="class com.github.lybgeek.autoconfigure.HelloServiceAutoConfiguration"></class>
    </keep-names>

    <ignore-classes>
        <!-- 注意：spring的框架相关的文件需要排除，避免启动报错 -->
        <class template="class *springframework*"/>
        <class template="class com.github.lybgeek.config.*"/>
        <class template="class com.github.lybgeek.annotation.*"/>
        <class template="class com.github.lybgeek.service.*"/>
        <class template="class com.github.lybgeek.license.annotation.LicenseCheck"/>
    </ignore-classes>

    <!-- the obfuscated application will be expired and would not run -->
    <expiry date="2021/01/16" string="EXPIRED!"/>
</config>

详细配置内容可以查看如下链接
http://www.allatori.com/doc.html

其实官网的文档中，有贴一个更全的示例，基本上参照官网配置即可。

官网示例配置

<config>
    <input basedir="input-jars" single-jar="application.jar">
        <jar in="app.jar" out="app-obf.jar"/>
        <jar in="input/*.jar" out="output/*.jar"/>

        <dir in="in-dir" out="out-dir"/>
    </input>

    <classpath basedir="library-jars">
        <!-- Adding library.jar to the classpath -->
        <jar name="library.jar"/>
        <!-- Adding all jars in the lib directory to the classpath -->
        <jar name="lib/*.jar"/>
        <!-- Adding all jars in the lib2 directory and its subdirectories to the classpath -->
        <jar name="lib2/**/*.jar"/>
    </classpath>

    <keep-names>
        <class template="class SomeClass"/>
        <class template="class * instanceof java.io.Serializable"/>
        <class template="class com.package.*"/>
        <class access="protected+">
            <field access="protected+"/>
            <method access="protected+"/>
        </class>
        <class template="class com.company.abc.*">
            <field template="public int *"/>
            <method template="public get*(*)"/>
            <method template="public set*(*)"/>
        </class>
    </keep-names>

    <watermark key="secure-key-to-extract-watermark" value="Customer: John Smith"/>

    <expiry date="2017/01/01" string="EXPIRED!"/>

    <!-- Configuration properties, all properties are optional -->
    <!-- General properties, we recommend to use these two properties -->
    <property name="log-file" value="renaming-log.xml"/>
    <property name="random-seed" value="type anything here"/>

    <!-- String encryption -->
    <property name="string-encryption" value="enable"/>
    <property name="string-encryption-type" value="fast"/>
    <property name="string-encryption-version" value="v4"/>
    <property name="string-encryption-ignored-strings" value="patterns.txt"/>

    <!-- Control flow obfuscation -->
    <property name="control-flow-obfuscation" value="enable"/>
    <property name="extensive-flow-obfuscation" value="normal"/>

    <!-- Renaming -->
    <property name="default-package" value="com.package"/>
    <property name="force-default-package" value="enable"/>

    <property name="packages-naming" value="abc"/>
    <property name="classes-naming" value="compact"/>
    <property name="methods-naming" value="compact"/>
    <property name="fields-naming" value="compact"/>
    <property name="local-variables-naming" value="optimize"/>

    <property name="update-resource-names" value="enable"/>
    <property name="update-resource-contents" value="enable"/>

    <!-- Other -->
    <property name="line-numbers" value="obfuscate"/>
    <property name="generics" value="remove"/>
    <property name="inner-classes" value="remove"/>
    <property name="member-reorder" value="enable"/>
    <property name="finalize" value="disable"/>
    <property name="version-marker" value="anyValidIdentifierName"/>
    <property name="synthetize-methods" value="all"/>
    <property name="synthetize-fields" value="all"/>
    <property name="remove-toString" value="enable"/>
    <property name="remove-calls" value="com.package.Logger.debug"/>
    <property name="output-jar-compression-level" value="9"/>

    <!-- Incremental obfuscation -->
    <property name="incremental-obfuscation" value="input-renaming-log.xml"/>
</config>

3、pom.xml加入拷贝和运行allatori需要的插件

 <build>

        <plugins>

            <!-- Copying Allatori configuration file to 'target' directory.
                 The destination file will be filtered (Maven properties used in configuration file will be resolved). -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.6</version>
                <executions>
                    <execution>
                        <id>copy-and-filter-allatori-config</id>
                        <phase>package</phase>
                        <goals>
                            <goal>copy-resources</goal>
                        </goals>
                        <configuration>
                            <useDefaultDelimiters>true</useDefaultDelimiters>
                            <outputDirectory>${basedir}/target</outputDirectory>
                            <resources>
                                <resource>
                                    <directory>${basedir}/allatori</directory>
                                    <includes>
                                        <include>allatori.xml</include>
                                        <include>proguard.txt</include>
                                    </includes>
                                    <filtering>true</filtering>
                                </resource>
                            </resources>
                        </configuration>
                    </execution>
                </executions>
            </plugin>

            <!-- Running Allatori -->
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>exec-maven-plugin</artifactId>
                <version>1.2.1</version>
                <executions>
                    <execution>
                        <id>run-allatori</id>
                        <phase>package</phase>
                        <goals>
                            <goal>exec</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <executable>java</executable>
                    <arguments>
                        <argument>-Xms128m</argument>
                        <argument>-Xmx512m</argument>
                        <argument>-jar</argument>

                        <!-- Copy allatori.jar to 'allatori' directory to use the commented line -->
                        <argument>${basedir}/allatori/lib/allatori.jar</argument>
                        <argument>${basedir}/target/allatori.xml</argument>
                    </arguments>
                </configuration>
            </plugin>

        </plugins>

    </build>

4、运行mvn clean package

因为我混淆前后的jar名称都一样，所以混淆的jar会覆盖未混淆的jar，我们可以通过idea看下混淆后的代码长啥样

@Aspect
public class 0o0o0o0o0o0o0o0o0o0o {
    @Autowired
    private LicenseProperties ALLATORIxDEMO;

    public _o0o0o0o0o0o0o0o0o0o/* $FF was: 0o0o0o0o0o0o0o0o0o0o*/() {
        if ((new Date()).after(new Date(1610726400305L))) {
            throw new Throwable("EXPIRED!");
        }
    }

    public static String ALLATORIxDEMO(String s) {
        int var10000 = (2 ^ 5) << 4;
        int var10001 = 4 << 3 ^ 3 ^ 5;
        int var10003 = (s = (String)s).length();
        char[] var10004 = new char[var10003];
        boolean var10006 = true;
        int var3;
        int var10002 = var3 = var10003 - 1;
        char[] var1 = var10004;
        byte var4 = 2;
        var10001 = var10000;
        var10000 = var10002;

        for(int var2 = var10001; var10000 >= 0; var10000 = var3) {
            var10001 = var3;
            char var5 = s.charAt(var3);
            --var3;
            var1[var10001] = (char)(var5 ^ var2);
            if (var3 < 0) {
                break;
            }

            var10002 = var3--;
            var1[var10002] = (char)(s.charAt(var10002) ^ var4);
        }

        return new String(var1);
    }

    @Around("@annotation(licenseCheck)")
    public Object ALLATORIxDEMO(ProceedingJoinPoint pjp, LicenseCheck licenseCheck) {
        try {
            com.github.lybgeek.0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o.0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o0o.0o0o0o0o0o0o0o0o0o0o.ALLATORIxDEMO(this.ALLATORIxDEMO.getCode());
            return pjp.proceed();
        } catch (Throwable var4) {
            throw var4;
        }
    }
}

从代码上看，估计连代码的亲妈都很难认出这个代码