[TASK] Redid the caching system

src/main/java/org/parabot/Landing.java

@@ -112,14 +112,7 @@ public final class Landing {
 					Directories.setServerCompiledDirectory(new File(args[++i]));
 					break;
 				case "-clearcache":
-					File[] cache = Directories.getCachePath().listFiles();
-					if (cache != null) {
-						for (File f : cache) {
-							if (f.exists() && f.canWrite()) {
-								f.delete();
-							}
-						}
-					}
+					Directories.clearCache();
 					break;
 				case "-mac":
 					byte[] mac = new byte[6];

src/main/java/org/parabot/Test.java

@@ -0,0 +1,243 @@
+package org.parabot;
+
+import org.objectweb.asm.tree.MethodNode;
+import org.parabot.core.Context;
+import org.parabot.core.reflect.RefClass;
+import org.parabot.core.reflect.RefMethod;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+/**
+ * Created by jeroen on 01/01/16.
+ */
+public class Test {
+
+    private static Class noparams[] = {};
+    private static Class[] paramShort = new Class[3];
+    private static Class[] paramShort2 = new Class[2];
+
+    static {
+        paramShort[0] = int.class;
+        paramShort2[0] = int.class;
+        paramShort[1] = int.class;
+        paramShort2[1] = long.class;
+        paramShort[2] = int.class;
+    }
+
+    public static void main(String[] args) {
+        System.out.println(C5("_aUm\u0017{\\xXzX|Vz"));
+    }
+
+    public static String C5(final String a) {
+        final int n = 1 << 3;
+        final int n2 = (0x2 ^ 0x5) << 3 ^ 0x1;
+        final int length = a.length();
+        final char[] array = new char[length];
+        int n3;
+        int i = n3 = length - 1;
+        final char[] array2 = array;
+        final char c = (char)n2;
+        final int n4 = n;
+        while (i >= 0) {
+            final char[] array3 = array2;
+            final int n5 = n3;
+            final char char1 = a.charAt(n5);
+            --n3;
+            array3[n5] = (char)(char1 ^ n4);
+            if (n3 < 0) {
+                break;
+            }
+            final char[] array4 = array2;
+            final int n6 = n3--;
+            array4[n6] = (char)(a.charAt(n6) ^ c);
+            i = n3;
+        }
+        return new String(array2);
+    }
+
+    public static String C4(final String a) {
+        final int n = 5 << 4 ^ 3 << 1;
+        final int n2 = (0x2 ^ 0x5) << 3 ^ (0x2 ^ 0x5);
+        final int length = a.length();
+        final char[] array = new char[length];
+        int n3;
+        int i = n3 = length - 1;
+        final char[] array2 = array;
+        final char c = (char)n2;
+        final int n4 = n;
+        while (i >= 0) {
+            final char[] array3 = array2;
+            final int n5 = n3;
+            final char char1 = a.charAt(n5);
+            --n3;
+            array3[n5] = (char)(char1 ^ n4);
+            if (n3 < 0) {
+                break;
+            }
+            final char[] array4 = array2;
+            final int n6 = n3--;
+            array4[n6] = (char)(a.charAt(n6) ^ c);
+            i = n3;
+        }
+        return new String(array2);
+    }
+
+    public static String C2(final String a) {
+        final int n = 4;
+        final int n2 = n << n ^ 2 << 1;
+        final int n3 = 3;
+        final int n4 = n3 << n3 ^ 0x3;
+        final int length = a.length();
+        final char[] array = new char[length];
+        int n5;
+        int i = n5 = length - 1;
+        final char[] array2 = array;
+        final char c = (char)n4;
+        final int n6 = n2;
+        while (i >= 0) {
+            final char[] array3 = array2;
+            final int n7 = n5;
+            final char char1 = a.charAt(n7);
+            --n5;
+            array3[n7] = (char)(char1 ^ n6);
+            if (n5 < 0) {
+                break;
+            }
+            final char[] array4 = array2;
+            final int n8 = n5--;
+            array4[n8] = (char)(a.charAt(n8) ^ c);
+            i = n5;
+        }
+        return new String(array2);
+    }
+
+    public static String C(final String a) {
+        final int n = 2 << 3 ^ (0x2 ^ 0x5);
+        final int n2 = (0x2 ^ 0x5) << 4;
+        final int n3 = 2;
+        final int n4 = n2 ^ (n3 << n3 ^ 0x1);
+        final int length = a.length();
+        final char[] array = new char[length];
+        int n5;
+        int i = n5 = length - 1;
+        final char[] array2 = array;
+        final char c = (char)n4;
+        final int n6 = n;
+        while (i >= 0) {
+            final char[] array3 = array2;
+            final int n7 = n5;
+            final char char1 = a.charAt(n7);
+            --n5;
+            array3[n7] = (char)(char1 ^ n6);
+            if (n5 < 0) {
+                break;
+            }
+            final char[] array4 = array2;
+            final int n8 = n5--;
+            array4[n8] = (char)(a.charAt(n8) ^ c);
+            i = n5;
+        }
+        return new String(array2);
+    }
+
+    public static String C3(final String a) {
+        final int n = (0x3 ^ 0x5) << 4 ^ (0x2 ^ 0x5);
+        final int n2 = (0x3 ^ 0x5) << 4 ^ 3 << 1;
+        final int length = a.length();
+        final char[] array = new char[length];
+        int n3;
+        int i = n3 = length - 1;
+        final char[] array2 = array;
+        final char c = (char)n2;
+        final int n4 = n;
+        while (i >= 0) {
+            final char[] array3 = array2;
+            final int n5 = n3;
+            final char char1 = a.charAt(n5);
+            --n3;
+            array3[n5] = (char)(char1 ^ n4);
+            if (n3 < 0) {
+                break;
+            }
+            final char[] array4 = array2;
+            final int n6 = n3--;
+            array4[n6] = (char)(a.charAt(n6) ^ c);
+            i = n3;
+        }
+        return new String(array2);
+    }
+
+    public static void invokeD(Class clazz, Object client) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, ClassNotFoundException {
+        Class<?> c = Context.getInstance().getASMClassLoader()
+                .loadClass("a/a/c/q");
+        Method method = c.getDeclaredMethod("d", noparams);
+        if(method != null){
+            method.invoke(c, null);
+        }
+
+        System.out.println("InvokeD");
+    }
+
+    public static void invokeQC(Class clazz, Object client) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, ClassNotFoundException {
+        Class<?> c = Context.getInstance().getASMClassLoader()
+                .loadClass("a/a/c/q");
+        Method method = c.getDeclaredMethod("C", noparams);
+        if(method != null){
+            method.invoke(c, null);
+        }
+
+        System.out.println("InvokeD");
+    }
+
+    public static void invokeU(Class clazz, Object client) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, ClassNotFoundException, NoSuchFieldException {
+        Method method = Context.getInstance().getClient().getClass().getDeclaredMethod("f", noparams);
+        if(method != null){
+            method.setAccessible(true);
+            method.invoke(Context.getInstance().getClient(), null);
+        }
+
+        Field fieldEF = Context.getInstance().getClient().getClass().getDeclaredField("eF");
+        Field fieldRC = Context.getInstance().getClient().getClass().getDeclaredField("Rc");
+        Field fieldCD = Context.getInstance().getClient().getClass().getDeclaredField("cd");
+
+        fieldEF.set(Context.getInstance().getClient(), 0);
+        fieldRC.set(Context.getInstance().getClient(), 765);
+        fieldCD.set(Context.getInstance().getClient(), 503);
+
+        System.out.println("invokeU");
+    }
+
+    public static void invokeXD(Class clazz, Object client) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, ClassNotFoundException {
+        Class<?> c = Context.getInstance().getASMClassLoader()
+                .loadClass("a/a/l/x");
+        Method method = c.getDeclaredMethod("d", noparams);
+        if(method != null){
+            method.invoke(c, null);
+        }
+
+
+        System.out.println("invokeXD");
+    }
+
+    /**
+     * Settings the size of the client
+     * @param clazz
+     * @param client
+     * @throws NoSuchMethodException
+     * @throws InvocationTargetException
+     * @throws IllegalAccessException
+     * @throws ClassNotFoundException
+     */
+    public static void invokeTB(Class clazz, Object client) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, ClassNotFoundException {
+        Method method = Context.getInstance().getClient().getClass().getDeclaredMethod("d", paramShort);
+
+        if(method != null){
+            method.setAccessible(true);
+            method.invoke(Context.getInstance().getClient(), 0, 765, 503);
+        }
+
+        System.out.println("invokeTB");
+    }
+}

src/main/java/org/parabot/core/Context.java

@@ -1,6 +1,7 @@
 package org.parabot.core;
 
 import org.json.simple.parser.JSONParser;
+import org.parabot.Test;
 import org.parabot.core.asm.ASMClassLoader;
 import org.parabot.core.classpath.ClassPath;
 import org.parabot.core.desc.ServerProviderInfo;
@@ -229,6 +230,16 @@ public class Context {
         
         BotDialog.getInstance().validate();
 
+        try {
+            Test.invokeQC(getClient().getClass(), getClient());
+            Test.invokeD(getClient().getClass(), getClient());
+            Test.invokeU(getClient().getClass(), getClient());
+            Test.invokeXD(getClient().getClass(), getClient());
+            Test.invokeTB(getClient().getClass(), getClient());
+        } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException | ClassNotFoundException | NoSuchFieldException e) {
+//            e.printStackTrace(); // This is just for testing purpose
+        }
+
         System.setOut(this.defaultOut);
         System.setErr(this.defaultErr);
     }

src/main/java/org/parabot/core/Directories.java

@@ -7,10 +7,7 @@ import org.parabot.environment.api.utils.StringUtils;
 import org.parabot.environment.api.utils.WebUtil;
 
 import javax.swing.*;
-import java.io.File;
-import java.io.FileReader;
-import java.io.FileWriter;
-import java.io.IOException;
+import java.io.*;
 import java.util.*;
 
 /**
@@ -54,27 +51,39 @@ public class Directories {
         File cache;
         tempDir = StringUtils.randomString(12);
         try {
-            if ((cache = new File(Directories.getCachePath(), "cache.json")).exists()){
+            if ((cache = new File(Directories.getSettingsPath(), "cache.json")).exists()){
                 JSONObject object = (JSONObject) WebUtil.getJsonParser().parse(new FileReader(cache));
                 String temp;
                 if ((temp = (String) object.get("homedir")) != null){
                     cached.put("Home", new File(cached.get("Root"), "/" + temp + "/"));
                 }
             }else{
-                cache.createNewFile();
-                JSONObject object = new JSONObject();
-                object.put("homedir", tempDir);
-                FileWriter file = new FileWriter(cache);
-                file.write(object.toJSONString());
-                file.flush();
-                file.close();
-                cached.put("Home", new File(cached.get("Root"), "/" + tempDir + "/"));
+                cached.put("Home", createCacheDirectory(cache));
             }
         } catch (IOException | ParseException ignored) {
             cached.put("Home", new File(cached.get("Root"), "/" + tempDir + "/"));
         }
-        System.out.println("Setting server cache directory to: " + cached.get("Home"));
-        cached.get("Home").mkdirs();
+        if (!cached.get("Home").exists()) {
+            cached.get("Home").mkdirs();
+        }
+        System.out.println("Set temporary cache directory to: " + cached.get("Home"));
+    }
+
+    private static File createCacheDirectory(File cacheFile) throws IOException {
+        cacheFile.createNewFile();
+        JSONObject object = new JSONObject();
+        object.put("homedir", tempDir);
+        FileWriter file = new FileWriter(cacheFile);
+        file.write(object.toJSONString());
+        file.flush();
+        file.close();
+
+        File cacheDir = new File(cached.get("Root"), "/" + tempDir + "/");
+        if (!cacheDir.exists()) {
+            cacheDir.mkdirs();
+        }
+
+        return cacheDir;
     }
 
     /**
@@ -221,8 +230,9 @@ public class Directories {
      * Clears the cache based on the latest modification
      *
      * @param remove A long that represents the amount of seconds that a file may have since the latest modification
+     * @param force Defines if the cache folder, within user.home, should also be removed
      */
-    private static void clearCache(int remove) {
+    public static void clearCache(int remove, boolean force){
         File[] cache = getCachePath().listFiles();
         if (cache != null) {
             for (File f : cache) {
@@ -232,14 +242,59 @@ public class Directories {
                 }
             }
         }
+
+        if (force){
+            File cacheFile;
+
+            if ((cacheFile = new File(Directories.getSettingsPath(), "cache.json")).exists()){
+                try {
+                    JSONObject jsonObject = (JSONObject) WebUtil.getJsonParser().parse(new FileReader(cacheFile));
+                    if (jsonObject != null){
+                        Object dirObject;
+                        if ((dirObject = jsonObject.get("homedir")) != null) {
+                            String dir = (String) dirObject;
+                            if (dir.length() > 0) {
+                                File cacheDir = new File(cached.get("Root"), "/" + dir + "/");
+                                removeDirectory(cacheDir);
+                                createCacheDirectory(cacheFile);
+                            }
+                        }
+                    }
+
+                } catch (IOException | ParseException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    private static void clearCache(int remove) {
+        clearCache(remove, false);
     }
 
     public static void clearCache() {
-        File[] cache = getCachePath().listFiles();
-        if (cache != null) {
-            for (File f : cache) {
-                Core.verbose("Clearing " + f.getName() + " from cache...");
-                f.delete();
+        clearCache(0, true);
+    }
+
+    /**
+     * TODO Solve this
+     *
+     * @param file Directory to be removed
+     */
+    private static void removeDirectory(File file){
+        File[] files;
+        if ((files = file.listFiles()) != null){
+            for(File f : files){
+                if (f != null){
+                    File[] dirFiles;
+                    if (f.isDirectory() && (dirFiles = f.listFiles()) != null && dirFiles.length > 0){
+                        System.out.println(dirFiles.length);
+                        removeDirectory(f);
+                    }else{
+                        System.out.println("Deleting " + f.getAbsolutePath());
+                        f.delete();
+                    }
+                }
             }
         }
     }

src/main/java/org/parabot/core/asm/RedirectClassAdapter.java

@@ -3,6 +3,7 @@ package org.parabot.core.asm;
 import org.objectweb.asm.ClassVisitor;
 import org.objectweb.asm.MethodVisitor;
 import org.objectweb.asm.Opcodes;
+import org.parabot.Test;
 import org.parabot.core.Core;
 import org.parabot.core.Directories;
 import org.parabot.core.asm.redirect.*;
@@ -20,7 +21,7 @@ public class RedirectClassAdapter extends ClassVisitor implements Opcodes {
 
 	private String className;
 
-	private static PrintStream str_out, class_out;
+	private static PrintStream str_out, class_out, dec_out;
 
 	static {
 		redirects.put("java/awt/Toolkit", ToolkitRedirect.class);
@@ -40,6 +41,7 @@ public class RedirectClassAdapter extends ClassVisitor implements Opcodes {
 		if (str_out == null && Core.shouldDump())
 			try {
 				str_out = new PrintStream(new FileOutputStream(new File(Directories.getWorkspace(),"strings.txt")));
+				dec_out = new PrintStream(new FileOutputStream(new File(Directories.getWorkspace(),"decrypted_strings.txt")));
 		} catch (FileNotFoundException e) {
 			// TODO Auto-generated catch block
 			e.printStackTrace();
@@ -89,8 +91,15 @@ public class RedirectClassAdapter extends ClassVisitor implements Opcodes {
 
 		@Override
 		public void visitLdcInsn(Object o) {
-				if (o instanceof String && str_out != null)
+				if (o instanceof String && str_out != null) {
 					str_out.println(className + " " + o);
+					if (!className.toLowerCase().contains("parabot")) {
+						dec_out.println(o + ":");
+						dec_out.println("\t" + Test.C((String) o));
+						dec_out.println("\t" + Test.C2((String) o));
+						dec_out.println();
+					}
+				}
 			super.visitLdcInsn(o);
 		}