Merge pull request #2 from yelochick/main

feat: hook PluginManagerCore

src/main/java/com/novitechie/PluginManagerCoreTransformer.java

@@ -0,0 +1,51 @@
+package com.novitechie;
+
+import com.janetfilter.core.plugin.MyTransformer;
+import jdk.internal.org.objectweb.asm.ClassReader;
+import jdk.internal.org.objectweb.asm.ClassWriter;
+import jdk.internal.org.objectweb.asm.tree.*;
+
+import static jdk.internal.org.objectweb.asm.Opcodes.*;
+
+/**
+ * @author YeloChick
+ */
+public class PluginManagerCoreTransformer implements MyTransformer {
+
+    @Override
+    public String getHookClassName() {
+        return "com/intellij/ide/plugins/PluginManagerCore";
+    }
+
+    @Override
+    public byte[] transform(String className, byte[] classBytes, int order) throws Exception {
+        ClassReader reader = new ClassReader(classBytes);
+        ClassNode node = new ClassNode(ASM5);
+        reader.accept(node, 0);
+        for (MethodNode m : node.methods) {
+            if ("isPluginInstalled".equals(m.name)) {
+                InsnList list = new InsnList();
+                list.add(new MethodInsnNode(INVOKESTATIC, "com/novitechie/StackTraceRule", "check", "()Z", false));
+                LabelNode labelNode = new LabelNode();
+                list.add(new JumpInsnNode(IFEQ, labelNode));
+                list.add(new InsnNode(ICONST_0));
+                list.add(new InsnNode(IRETURN));
+                list.add(labelNode);
+                m.instructions.insert(list);
+            } else if ("getPlugins".equals(m.name)) {
+                InsnList list = new InsnList();
+                list.add(new MethodInsnNode(INVOKESTATIC, "com/novitechie/StackTraceRule", "check", "()Z", false));
+                LabelNode labelNode = new LabelNode();
+                list.add(new JumpInsnNode(IFEQ, labelNode));
+                list.add(new InsnNode(ICONST_0));
+                list.add(new TypeInsnNode(ANEWARRAY, "java/lang/Object"));
+                list.add(new InsnNode(ARETURN));
+                list.add(labelNode);
+                m.instructions.insert(list);
+            }
+        }
+        ClassWriter writer = new SafeClassWriter(null, null, ClassWriter.COMPUTE_FRAMES | ClassWriter.COMPUTE_MAXS);
+        node.accept(writer);
+        return writer.toByteArray();
+    }
+}

src/main/java/com/novitechie/PrivacyPlugin.java

@@ -19,6 +19,10 @@ public class PrivacyPlugin  implements PluginEntry {
 
     @Override
     public List<MyTransformer> getTransformers() {
-        return Arrays.asList(new VMOptionsTransformer(),new PluginClassLoaderTransformer(),new LicensingFacadeTransformer());
+        return Arrays.asList(
+                new VMOptionsTransformer(),
+                new PluginClassLoaderTransformer(),
+                new LicensingFacadeTransformer(),
+                new PluginManagerCoreTransformer());
     }
 }