feat: hook ClassLoader, Class, RuntimeMXBean, System, PluginManagerCore

src/main/java/com/novitechie/rules/SystemRule.java

@@ -0,0 +1,55 @@
+package com.novitechie.rules;
+
+import com.janetfilter.core.commons.DebugInfo;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author YeloChick
+ */
+public class SystemRule {
+
+    private static final List<String> PREVENT_LOAD_ENV = new ArrayList<String>() {
+        {
+            add("_VM_OPTIONS");
+            add("JANF_DEBUG");
+            add("JANF_OUTPUT");
+        }
+    };
+
+    private static final List<String> PREVENT_LOAD_PROPERTY = new ArrayList<String>() {
+        {
+            add("janf.debug");
+            add("janf.output");
+        }
+    };
+
+    public static boolean checkEnv(String name) {
+        boolean f = PREVENT_LOAD_ENV.stream().anyMatch(name::startsWith) || PREVENT_LOAD_ENV.stream().anyMatch(name::endsWith);
+        if (f) {
+            DebugInfo.output("======================LoadEnv: " + name);
+            StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
+            DebugInfo.output("===========================stackTrace: ");
+            for (StackTraceElement stackTraceElement : stackTrace) {
+                DebugInfo.output(stackTraceElement.getClassName() + ":" + stackTraceElement.getMethodName());
+            }
+            return true;
+        }
+        return false;
+    }
+
+    public static boolean checkProperty(String name) {
+        boolean f = PREVENT_LOAD_PROPERTY.stream().anyMatch(name::equals);
+        if (f) {
+            DebugInfo.output("======================LoadProperty: " + name);
+            StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
+            DebugInfo.output("===========================stackTrace: ");
+            for (StackTraceElement stackTraceElement : stackTrace) {
+                DebugInfo.output(stackTraceElement.getClassName() + ":" + stackTraceElement.getMethodName());
+            }
+            return true;
+        }
+        return false;
+    }
+}