61快乐

jmg-custom/src/main/java/jmg/custom/generator/CustomGenerator.java

@@ -0,0 +1,53 @@
+package jmg.custom.generator;
+
+import javassist.ClassClassPath;
+import javassist.ClassPool;
+import javassist.CtClass;
+import jmg.core.config.AbstractConfig;
+import jmg.core.generator.IShellGenerator;
+import jmg.core.util.CommonUtil;
+
+import javax.servlet.Filter;
+import javax.servlet.ServletRequestListener;
+import java.io.DataInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+
+public class CustomGenerator implements IShellGenerator {
+    @Override
+    public void initShell(AbstractConfig config) {
+        File f;
+        try {
+            f = new File(config.getClassFilePath());
+            if (!f.exists() || !f.isFile()) {
+                return;
+            }
+            ClassPool classPool = ClassPool.getDefault();
+            classPool.insertClassPath(new ClassClassPath(Filter.class));
+            classPool.insertClassPath(new ClassClassPath(ServletRequestListener.class));
+            classPool.makeInterface("org.springframework.web.servlet.AsyncHandlerInterceptor");
+            classPool.makeInterface("org.springframework.web.servlet.HandlerInterceptor");
+            String filePath = config.getClassFilePath();
+            CtClass ctClass = classPool.makeClass(new DataInputStream(new FileInputStream(filePath)));
+            config.setShellClassName(ctClass.getName());
+            ctClass.detach();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    public byte[] makeShell(AbstractConfig config) throws Exception {
+        initShell(config);
+        byte[] bytes = CommonUtil.getFileBytes(config.getClassFilePath());
+        config.setShellBytes(bytes);
+        config.setShellBytesLength(bytes.length);
+        config.setShellGzipBase64String(CommonUtil.encodeBase64(CommonUtil.gzipCompress(bytes)));
+        return bytes;
+    }
+
+    @Override
+    public byte[] modifyShell(String className, AbstractConfig config) {
+        return null;
+    }
+}