L2ClientDat decoder.

L2ClientDat/java/com/l2jmobius/clientcryptor/crypt/DatCrypter.java

@@ -0,0 +1,92 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jmobius.clientcryptor.crypt;
+
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.locks.ReentrantLock;
+
+public abstract class DatCrypter
+{
+	private final ReentrantLock _lock = new ReentrantLock(true);
+	private final int code;
+	private boolean useStructure;
+	private final List<String> fileEndNames = new ArrayList<>();
+	
+	public DatCrypter(int code)
+	{
+		this.code = code;
+	}
+	
+	public abstract void update(byte[] var1);
+	
+	public abstract ByteBuffer decryptResult();
+	
+	public abstract ByteBuffer encryptResult();
+	
+	public abstract int getChunkSize(int var1);
+	
+	public abstract int getSkipSize();
+	
+	public abstract boolean isLock();
+	
+	public boolean checkAquired()
+	{
+		return _lock.isHeldByCurrentThread();
+	}
+	
+	public void aquire()
+	{
+		_lock.lock();
+	}
+	
+	public void release()
+	{
+		_lock.unlock();
+	}
+	
+	public abstract boolean isEncrypt();
+	
+	public abstract void unlock();
+	
+	public int getCode()
+	{
+		return code;
+	}
+	
+	public void addFileExtension(String n)
+	{
+		fileEndNames.addAll(Arrays.asList(n.split(";")));
+	}
+	
+	public boolean checkFileExtension(String n)
+	{
+		return n.contains(".") && fileEndNames.contains(n.split("\\.")[1]);
+	}
+	
+	public boolean isUseStructure()
+	{
+		return useStructure;
+	}
+	
+	public void setUseStructure(boolean useStructure)
+	{
+		this.useStructure = useStructure;
+	}
+}