144 lines
4.0 KiB
Java
144 lines
4.0 KiB
Java
/*
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* This file is part of the L2J Mobius project.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.l2jmobius.actions;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.nio.channels.FileChannel;
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import com.l2jmobius.L2ClientDat;
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import com.l2jmobius.clientcryptor.DatFile;
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import com.l2jmobius.clientcryptor.crypt.DatCrypter;
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import com.l2jmobius.data.GameDataName;
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import com.l2jmobius.util.DebugUtil;
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import com.l2jmobius.xml.Descriptor;
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import com.l2jmobius.xml.DescriptorParser;
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import com.l2jmobius.xml.DescriptorReader;
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public class OpenDat
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{
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public static void start(String dir, File path, String name, DatCrypter crypter) throws Exception
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{
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ByteBuffer buffer;
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boolean crypt = true;
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if (!path.exists())
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{
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L2ClientDat.addLogConsole("File does not exist.", true);
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return;
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}
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if (!path.canRead())
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{
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L2ClientDat.addLogConsole("Unable to read file.", true);
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return;
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}
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FileInputStream fis = new FileInputStream(path);
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if (fis.available() < 28)
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{
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L2ClientDat.addLogConsole("The file is too small.", true);
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fis.close();
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return;
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}
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byte[] head = new byte[28];
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fis.read(head);
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String header = new String(head, "UTF-16LE");
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if (!header.startsWith("Lineage2Ver"))
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{
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L2ClientDat.addLogConsole("File " + name + " not encrypted. Skip decrypt.", true);
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crypt = false;
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}
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fis.close();
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buffer = null;
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if (crypt)
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{
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L2ClientDat.addLogConsole("File " + name + " encrypted. " + header + " decrypt ...", true);
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try
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{
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DatFile dat = new DatFile(path.getPath());
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dat.decrypt(crypter);
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buffer = dat.getBuff();
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if (buffer == null)
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{
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L2ClientDat.addLogConsole("Error decrypt file. Empty buffer.", true);
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return;
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}
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}
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catch (Exception e)
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{
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L2ClientDat.addLogConsole("Error decrypt file.", true);
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return;
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}
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DebugUtil.save(buffer, path);
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L2ClientDat.addLogConsole("Decrypt successfully.", true);
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}
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else
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{
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try
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{
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try (FileInputStream fIn = new FileInputStream(path);)
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{
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FileChannel fChan = fIn.getChannel();
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ByteBuffer mBuf = ByteBuffer.allocate((int) fChan.size());
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fChan.read(mBuf);
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buffer = mBuf;
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fChan.close();
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fIn.close();
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}
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}
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catch (IOException exc)
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{
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L2ClientDat.addLogConsole("Error reading.", true);
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}
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}
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if (name.contains(".ini") || name.contains(".txt"))
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{
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if ((buffer != null) && buffer.hasArray())
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{
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L2ClientDat.addText(new String(buffer.array(), 0, buffer.array().length, "UTF-8"));
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}
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}
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else if (name.contains(".htm"))
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{
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if ((buffer != null) && buffer.hasArray())
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{
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L2ClientDat.addText(new String(buffer.array(), 0, buffer.array().length, "UTF-16"));
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}
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}
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else if (crypter.isUseStructure())
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{
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L2ClientDat.addLogConsole("Read the file structure ...", true);
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String data = null;
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Descriptor desc = DescriptorParser.getInstance().findDescriptorForFile(dir, name);
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if ((desc != null) && (buffer != null))
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{
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buffer.position(0);
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DebugUtil.debug("Buffer size: " + buffer.limit());
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GameDataName.getInstance().clear();
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data = DescriptorReader.getInstance().parseData(path, crypter, desc, buffer);
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}
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if (data == null)
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{
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L2ClientDat.addLogConsole("Structure is not found in the directory: " + dir + " file: " + name, true);
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return;
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}
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L2ClientDat.addText(data);
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}
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L2ClientDat.addLogConsole("Completed.", true);
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}
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}
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