我正在努力解决JavaFX应用程序的混淆问题。使用此项目作为基础:
https://github.com/openjfx/samples/tree/master/IDE/IntelliJ/Non-Modular/Gradle
Proguard抛出此错误:
java.io.IOException: Can't write [Path\infile.jar] (Can't read [Path\outfile.jar] (Duplicate jar entry [a.class]))
Proguard配置文件:-dontoptimize -dontshrink
-libraryjars 'E:\Prog\jdk-11.0.2\jmods'
-libraryjars 'E:\Prog\javafx-sdk\lib'
# Save meta-data for stack traces
-renamesourcefileattribute SourceFile
-keepattributes SourceFile,LineNumberTable
# Rename FXML files together with related views
-adaptresourcefilenames **.fxml,**.png,**.css
-adaptresourcefilecontents **.fxml
-adaptclassstrings
# Keep all annotations and meta-data
-keepattributes *Annotation*,Signature,EnclosingMethod
# Keep entry-point class
-keep classpackage.App {
public static void main(java.lang.String[]);
}
# Keep all classes inside application
-keep,allowobfuscation class package.** {
}
# Keep names of fields marked with @FXML attribute
-keepclassmembers class * {
@javafx.fxml.FXML *;
}
有人有JavaFX混淆经验吗?
为了让Proguard使用Java 11,我们需要:
的build.gradle
从HelloFX sample开始,构建将被修改为:
// 1. Include proguard dependency
buildscript {
repositories {
jcenter()
}
dependencies {
classpath 'net.sf.proguard:proguard-gradle:6.1.0beta2'
}
}
plugins {
id 'application'
id 'org.openjfx.javafxplugin' version '0.0.7'
}
repositories {
mavenCentral()
}
dependencies {
}
javafx {
modules = [ 'javafx.controls', 'javafx.fxml' ]
}
mainClassName = 'org.openjfx.MainApp'
我不再只是添加proguard任务,而是添加一些任务来用默认的构建/类来替换它们。这有助于检查结果。
// 2. Add tasks
// 2.1 Clean buildDir before running proguard
task cleanClasses(type: Delete) {
delete "${buildDir}/classes/java/main"
delete "${buildDir}/resources/java/main"
}
classes.dependsOn(cleanClasses)
// 2.2 Add proguard task
task proguard(type: proguard.gradle.ProGuardTask, dependsOn: classes) {
injars project.sourceSets.main.output
outjars "${buildDir}/proguard/output.jar"
libraryjars project.sourceSets.main.compileClasspath
configuration 'proguard.conf'
}
// 2.3 Clean after proguard task
task cleanAfterProguard(type: Delete, dependsOn: proguard) {
delete "${buildDir}/classes/java/main"
delete "${buildDir}/resources/java/main"
}
// 2.4 Extract output jar to buildDir
task unpackProguardOutput (type: Copy, dependsOn: cleanAfterProguard) {
from zipTree("${buildDir}/proguard/output.jar")
into file("${buildDir}/classes/java/main")
}
最后,添加一个任务以使用proguarded类运行应用程序。
// 3. Create a task to run the app with the proguarded buildDir
task runProguard(type: JavaExec, dependsOn: unpackProguardOutput) {
classpath = sourceSets.main.runtimeClasspath
jvmArgs = ['--module-path', classpath.asPath,
'--add-modules', 'javafx.controls,javafx.fxml' ]
main = 'a.a.b' // <-- this name will depend on the proguard result
}
proguard.conf
关于如何使用Java 9+的关键可以在这个comment中找到。如果您下载源代码,并检查示例文件夹,则有不同的配置文件。
检查applications.pro
,您可以阅读:
# Before Java 9, the runtime classes were packaged in a single jar file.
#-libraryjars <java.home>/lib/rt.jar
# As of Java 9, the runtime classes are packaged in modular jmod files.
-libraryjars <java.home>/jmods/java.base.jmod(!**.jar;!module-info.class)
就是这样了!
这是我与HelloFX示例一起使用的配置文件(当然可以使用其他许多选项进行扩展):
-dontoptimize
-dontshrink
#Java 9+
-libraryjars <java.home>/jmods/java.base.jmod(!**.jar;!module-info.class)
# Save meta-data for stack traces
-printmapping out.map
-renamesourcefileattribute SourceFile
-keepattributes SourceFile,LineNumberTable
# Rename FXML files together with related views
-adaptresourcefilenames **.fxml,**.png,**.css,**.properties
-adaptresourcefilecontents **.fxml
-adaptclassstrings
# Keep all annotations and meta-data
-keepattributes *Annotation*,Signature,EnclosingMethod
# Keep entry-point class
-keep class org.openfjx.MainApp {
public static void main(java.lang.String[]);
}
# Keep names of fields marked with @FXML, @Inject and @PostConstruct attributes
-keepclassmembers class * {
@javafx.fxml.FXML *;
@javax.inject.Inject *;
@javax.annotation.PostConstruct *;
}
结果
如果你运行./gradlew proguard
,你会得到output.jar
。
如果你运行./gradlew unpackProguardOutput
,你可以在build/classes
中看到结果:
main
|____a
| |____a
| | |____styles.css
| | |____scene.fxml
| | |____b.class
| | |____a.class
在这种情况下,b.class
是主要的类,所以这就是为什么在runProguard
任务我设置main = 'a.a.b'
。这显然取决于每种情况。
此外,您可以检查out.map:
org.openjfx.FXMLController -> a.a.a:
javafx.scene.control.Label label -> label
10:10:void <init>() -> <init>
17:20:void initialize(java.net.URL,java.util.ResourceBundle) -> initialize
org.openjfx.MainApp -> a.a.b:
11:11:void <init>() -> <init>
15:23:void start(javafx.stage.Stage) -> start
26:27:void main(java.lang.String[]) -> a
最后,./gradlew runProguard
将成功运行该应用程序。