Liaison de propriété Spring avec Proguard

Question

J'ai la classe de configuration Spring suivante que j'obscurcis avec Proguard. J'ai donné les options Proguard que j'utilise ci-dessous. La classe doit être liée à une propriété nommée http.cache.timeToLiveInDays à partir du fichier de propriétés.

@ConfigurationProperties(prefix = "onboarding", ignoreUnknownFields = false) 
public class OnboardingProperties { 
    private final Http http = new Http(); 

    public Http getHttp() { 
     return http; 
    } 

    public static class Http { 
     private final Cache cache = new Cache(); 

     public Cache getCache() { 
      return cache; 
     } 

     public static class Cache { 
      private int timeToLiveInDays = 1461; 

      public int getTimeToLiveInDays() { 
       return timeToLiveInDays; 
      } 
      public void setTimeToLiveInDays(final int timeToLiveInDays) { 
       this.timeToLiveInDays = timeToLiveInDays; 
      } 
     } 
    } 
} 

Le fichier de propriétés application.yml contient les éléments suivants,

onboarding: 
    http: 
     cache: 
      timeToLiveInDays: 1234 

configuration Proguard,

-injars ../$FINAL_NAME$/WEB-INF/lib/$FINAL_NAME$.jar 

-outjars ./ 

-dontoptimize 
# -dontshrink 
# -dontusemixedcaseclassnames 
# -dontpreverify 
-verbose 
-printseeds seeds.txt 

-optimizations !class/marking/final 

-adaptresourcefilenames **.properties 
-adaptresourcefilecontents **.properties,META-INF/MANIFEST.MF 

-keep public class com.test.blah.OnboardingApp { 
    public static void main(java.lang.String[]); 
} 
-keep public class * extends org.springframework.boot.web.support.SpringBootServletInitializer 

-keep class com.test.blah**.dto.** { 
    void set*(***); 
    *** get*(); 
} 

-keep public class com.test.blah.config.OnboardingProperties 
-keep public class com.test.blah.config.OnboardingProperties$* { 
    *; 
} 

-keep class org.springframework.** 
-keep class liquibase.** 
-keep interface org.springframework.** 
-keep interface liquibase.** 

-keepclassmembers class * { 
    @org.springframework.beans.factory.annotation.Autowired *; 
    @org.springframework.beans.factory.annotation.Qualifier *; 
    @org.springframework.beans.factory.annotation.Value *; 
    @org.springframework.beans.factory.annotation.Required *; 
    @org.springframework.context.annotation.Bean *; 
    @org.springframework.context.annotation.Primary *; 
    @org.springframework.boot.context.properties.ConfigurationProperties *; 
    @javax.inject.Inject *; 
    @javax.annotation.PostConstruct *; 
    @javax.annotation.PreDestroy *; 
} 

-keep @org.springframework.stereotype.Service class * 
-keep @org.springframework.stereotype.Controller class * 
-keep @org.springframework.stereotype.Component class * 
-keep @org.springframework.stereotype.Repository class * 
-keep @org.springframework.context.annotation.Configuration class * 
-keep @org.springframework.web.bind.annotation.ControllerAdvice class * 
-keep @org.springframework.boot.context.properties.ConfigurationProperties class * 
-keep @org.springframework.boot.autoconfigure.SpringBootApplication class * 

-allowaccessmodification 
-keepattributes Deprecated,SourceFile,LineNumberTable,LocalVariable*Table,Synthetic,EnclosingMethod 
-keepattributes *Annotation* 
-keepattributes Signature 
-keepattributes Exceptions 
-keepattributes InnerClasses 

-keepparameternames 
-keepdirectories 

-keepclassmembernames class * { 
    java.lang.Class class$(java.lang.String); 
    java.lang.Class class$(java.lang.String, boolean); 
} 

-keepclassmembers enum * { 
    public static **[] values(); 
    public static ** valueOf(java.lang.String); 
    public static ** fromValue(java.lang.String); 
} 

-keepnames class * implements java.io.Serializable 

-keepclassmembers class * implements java.io.Serializable { 
    static final long serialVersionUID; 
    private static final java.io.ObjectStreamField[] serialPersistentFields; 
    !static !transient <fields>; 
    !private <fields>; 
    !private <methods>; 
    private void writeObject(java.io.ObjectOutputStream); 
    private void readObject(java.io.ObjectInputStream); 
    java.lang.Object writeReplace(); 
    java.lang.Object readResolve(); 
} 

Malheureusement, je semble obtenir l'erreur suivante lorsque son essayant de se lier à la propriété .

Caused by: org.springframework.beans.NotWritablePropertyException: Invalid property 'http[cache][timeToLiveInDays]' of bean class [com.test.blah.config.OnboardingProperties]: Cannot access indexed value in property referenced in indexed property path 'http[cache][timeToLiveInDays]'; nested exception is org.springframework.beans.NotReadablePropertyException: Invalid property 'http[cache][timeToLiveInDays]' of bean class [com.test.blah.config.OnboardingProperties]: Bean property 'http[cache][timeToLiveInDays]' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter? 
    at org.springframework.beans.AbstractNestablePropertyAccessor.getPropertyHoldingValue(AbstractNestablePropertyAccessor.java:405) 
    at org.springframework.beans.AbstractNestablePropertyAccessor.processKeyedProperty(AbstractNestablePropertyAccessor.java:298) 
    at org.springframework.beans.AbstractNestablePropertyAccessor.setPropertyValue(AbstractNestablePropertyAccessor.java:289) 
    at org.springframework.beans.AbstractNestablePropertyAccessor.setPropertyValue(AbstractNestablePropertyAccessor.java:280) 
    at org.springframework.boot.bind.RelaxedDataBinder$RelaxedBeanWrapper.setPropertyValue(RelaxedDataBinder.java:699) 
    at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:95) 
    at org.springframework.validation.DataBinder.applyPropertyValues(DataBinder.java:859) 
    at org.springframework.validation.DataBinder.doBind(DataBinder.java:755) 
    at org.springframework.boot.bind.RelaxedDataBinder.doBind(RelaxedDataBinder.java:128) 
    at org.springframework.validation.DataBinder.bind(DataBinder.java:740) 
    at org.springframework.boot.bind.PropertiesConfigurationFactory.doBindPropertiesToTarget(PropertiesConfigurationFactory.java:272) 
    at org.springframework.boot.bind.PropertiesConfigurationFactory.bindPropertiesToTarget(PropertiesConfigurationFactory.java:240) 
    at org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor.postProcessBeforeInitialization(ConfigurationPropertiesBindingPostProcessor.java:329) 
    ... 70 more 
Caused by: org.springframework.beans.NotReadablePropertyException: Invalid property 'http[cache][timeToLiveInDays]' of bean class [com.test.blah.config.OnboardingProperties]: Bean property 'http[cache][timeToLiveInDays]' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter? 
    at org.springframework.beans.AbstractNestablePropertyAccessor.getPropertyValue(AbstractNestablePropertyAccessor.java:633) 
    at org.springframework.beans.AbstractNestablePropertyAccessor.getPropertyHoldingValue(AbstractNestablePropertyAccessor.java:402) 
    ... 82 more 

Des idées comment je peux résoudre ce problème?

Answer 1

je parviens à résoudre ce problème avec

-keep public class com.test.blah.config.OnboardingProperties { 
    private <fields>; 
    *** get*(); 
} 
-keep class com.test.blah.config.OnboardingProperties$* { 
    private <fields>; 
    void set*(***); 
    *** get*(); 
} 

Au lieu de,

-keep public class com.test.blah.config.OnboardingProperties 
-keep public class com.test.blah.config.OnboardingProperties$* { 
    *; 
}