From 0d5f09a9fa2dda522cba5503fcdc856bc729d78e Mon Sep 17 00:00:00 2001
From: Igor Kulikov <ikulikov@thingsboard.io>
Date: Wed, 6 Mar 2019 16:29:48 +0200
Subject: [PATCH] Diagnostic output

---
 .../server/system/SystemSqlTestSuite.java     | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)

diff --git a/application/src/test/java/org/thingsboard/server/system/SystemSqlTestSuite.java b/application/src/test/java/org/thingsboard/server/system/SystemSqlTestSuite.java
index 76145c954d..ae45e35fa9 100644
--- a/application/src/test/java/org/thingsboard/server/system/SystemSqlTestSuite.java
+++ b/application/src/test/java/org/thingsboard/server/system/SystemSqlTestSuite.java
@@ -15,11 +15,21 @@
  */
 package org.thingsboard.server.system;
 
+import net.bytebuddy.asm.AsmVisitorWrapper;
+import net.bytebuddy.asm.MemberSubstitution;
+import net.bytebuddy.matcher.ElementMatchers;
+import org.apache.cassandra.cql3.functions.ThreadAwareSecurityManager;
+import org.hibernate.HibernateException;
+import org.hibernate.bytecode.internal.bytebuddy.ByteBuddyState;
+import org.hibernate.bytecode.internal.bytebuddy.HibernateMethodLookupDispatcher;
 import org.junit.ClassRule;
 import org.junit.extensions.cpsuite.ClasspathSuite;
 import org.junit.runner.RunWith;
 import org.thingsboard.server.dao.CustomSqlUnit;
 
+import java.lang.reflect.Method;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.Arrays;
 
 /**
@@ -30,11 +40,74 @@ import java.util.Arrays;
 public class SystemSqlTestSuite {
 
     static {
+        //ThreadAwareSecurityManager.install();
         SecurityManager appsm = System.getSecurityManager();
         System.out.println("SECURITY MANAGER = " + appsm);
         if (appsm != null) {
             System.out.println("SECURITY MANAGER CLASS = " + appsm.getClass());
         }
+
+        AsmVisitorWrapper.ForDeclaredMethods getDeclaredMethodMemberSubstitution;
+        AsmVisitorWrapper.ForDeclaredMethods getMethodMemberSubstitution;
+
+        //if ( System.getSecurityManager() != null ) {
+            getDeclaredMethodMemberSubstitution = getDeclaredMethodMemberSubstitution();
+            getMethodMemberSubstitution = getMethodMemberSubstitution();
+        //}
+        //else {
+        //    getDeclaredMethodMemberSubstitution = null;
+        //    getMethodMemberSubstitution = null;
+        //}
+
+        System.out.println("getDeclaredMethodMemberSubstitution = " + getDeclaredMethodMemberSubstitution);
+        System.out.println("getMethodMemberSubstitution = " + getMethodMemberSubstitution);
+    }
+
+    private static class GetDeclaredMethodAction implements PrivilegedAction<Method> {
+        private final Class<?> clazz;
+        private final String methodName;
+        private final Class<?>[] parameterTypes;
+
+        private GetDeclaredMethodAction(Class<?> clazz, String methodName, Class<?>... parameterTypes) {
+            this.clazz = clazz;
+            this.methodName = methodName;
+            this.parameterTypes = parameterTypes;
+        }
+
+        @Override
+        public Method run() {
+            try {
+                Method method = clazz.getDeclaredMethod( methodName, parameterTypes );
+
+                return method;
+            }
+            catch (NoSuchMethodException e) {
+                throw new HibernateException( "Unable to prepare getDeclaredMethod()/getMethod() substitution", e );
+            }
+        }
+    }
+
+
+    private static AsmVisitorWrapper.ForDeclaredMethods getDeclaredMethodMemberSubstitution() {
+        // this should only be called if the security manager is enabled, thus the privileged calls
+        return MemberSubstitution.relaxed()
+                .method( ElementMatchers.is( AccessController.doPrivileged( new SystemSqlTestSuite.GetDeclaredMethodAction( Class.class,
+                        "getDeclaredMethod", String.class, Class[].class ) ) ) )
+                .replaceWith(
+                        AccessController.doPrivileged( new SystemSqlTestSuite.GetDeclaredMethodAction( HibernateMethodLookupDispatcher.class,
+                                "getDeclaredMethod", Class.class, String.class, Class[].class ) ) )
+                .on( ElementMatchers.isTypeInitializer() );
+    }
+
+    private static AsmVisitorWrapper.ForDeclaredMethods getMethodMemberSubstitution() {
+        // this should only be called if the security manager is enabled, thus the privileged calls
+        return MemberSubstitution.relaxed()
+                .method( ElementMatchers.is( AccessController.doPrivileged( new SystemSqlTestSuite.GetDeclaredMethodAction( Class.class,
+                        "getMethod", String.class, Class[].class ) ) ) )
+                .replaceWith(
+                        AccessController.doPrivileged( new SystemSqlTestSuite.GetDeclaredMethodAction( HibernateMethodLookupDispatcher.class,
+                                "getMethod", Class.class, String.class, Class[].class ) ) )
+                .on( ElementMatchers.isTypeInitializer() );
     }
 
     @ClassRule