L2ClientDat decoder.

2018-05-13 13:35:03 +00:00
parent 574f600afa
commit 836beafd0f
211 changed files with 26666 additions and 0 deletions
--- a/L2ClientDat/java/com/l2jmobius/actions/MassRecryptor.java
+++ b/L2ClientDat/java/com/l2jmobius/actions/MassRecryptor.java
@@ -0,0 +1,90 @@
+/*
+ * 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.actions;
+
+import java.io.File;
+import java.io.FileInputStream;
+
+import com.l2jmobius.L2ClientDat;
+import com.l2jmobius.clientcryptor.DatFile;
+import com.l2jmobius.clientcryptor.crypt.DatCrypter;
+
+public class MassRecryptor
+{
+	private static final MassRecryptor _instance = new MassRecryptor();
+	
+	public static MassRecryptor getInstance()
+	{
+		return _instance;
+	}
+	
+	public void recrypt(String chronicle, String path, DatCrypter decCrypter, DatCrypter enCrypter)
+	{
+		L2ClientDat.addLogConsole("Mass recrypt with using " + chronicle + " chronicles by path [" + path + "]", true);
+		File baseDir = new File(path);
+		if (!baseDir.exists())
+		{
+			L2ClientDat.addLogConsole("Directory [" + path + "] does not exists.", true);
+			return;
+		}
+		String recryptDirPath = path + "/" + "!recrypted";
+		File recryptDir = new File(recryptDirPath);
+		if (!recryptDir.exists() && !recryptDir.mkdir())
+		{
+			L2ClientDat.addLogConsole("Cannot create recrypt directory [" + recryptDirPath + "].", true);
+			return;
+		}
+		long startTime = System.currentTimeMillis();
+		for (File file : baseDir.listFiles(pathname -> pathname.getName().endsWith(".dat") || pathname.getName().endsWith(".ini") || pathname.getName().endsWith(".htm")))
+		{
+			try
+			{
+				try (FileInputStream fis = new FileInputStream(file);)
+				{
+					if (fis.available() < 28)
+					{
+						L2ClientDat.addLogConsole(file.getName() + " The file is too small.", true);
+						return;
+					}
+					byte[] head = new byte[28];
+					fis.read(head);
+					String header = new String(head, "UTF-16LE");
+					if (!header.startsWith("Lineage2Ver"))
+					{
+						L2ClientDat.addLogConsole("File " + file.getName() + " not encrypted. Skip decrypt.", true);
+						continue;
+					}
+					if (Integer.valueOf(header.substring(11)).intValue() != decCrypter.getCode())
+					{
+						L2ClientDat.addLogConsole("File " + file.getName() + " encrypted code: " + header + ". Skip decrypt.", true);
+						continue;
+					}
+					L2ClientDat.addLogConsole("Recrypting [" + file.getName() + "]", true);
+					DatFile dat = new DatFile(file.getAbsolutePath());
+					dat.decrypt(decCrypter);
+					DatFile.encrypt(dat.getBuff().array(), recryptDirPath + "/" + file.getName(), enCrypter);
+				}
+			}
+			catch (Exception e)
+			{
+				L2ClientDat.addLogConsole(file.getName() + " Decrypt failed.", true);
+			}
+		}
+		long diffTime = (System.currentTimeMillis() - startTime) / 1000L;
+		L2ClientDat.addLogConsole("Completed. Elapsed ".concat(String.valueOf(diffTime)).concat(" sec"), true);
+	}
+}