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[Help] Npc password changer


Petrakoss
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Πήγαινε στο model/actor/instance και κάνε ένα αρχείο με όνομα L2PasswordChangerInstance.java και κάνε επικόλληση αυτό

/* 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 2, 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package com.l2jfrozen.gameserver.model.actor.instance;

import com.l2jfrozen.crypt.Base64;
import com.l2jfrozen.gameserver.ai.CtrlIntention;
import com.l2jfrozen.gameserver.network.serverpackets.ActionFailed;
import com.l2jfrozen.gameserver.network.serverpackets.LeaveWorld;
import com.l2jfrozen.gameserver.network.serverpackets.MyTargetSelected;
import com.l2jfrozen.gameserver.network.serverpackets.NpcHtmlMessage;
import com.l2jfrozen.gameserver.network.serverpackets.ValidateLocation;
import com.l2jfrozen.gameserver.templates.L2NpcTemplate;
import com.l2jfrozen.util.database.L2DatabaseFactory;

import java.security.MessageDigest;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.StringTokenizer;
import javolution.text.TextBuilder;

public class L2PasswordChangerInstance extends L2FolkInstance
{
public L2PasswordChangerInstance(int objectId, L2NpcTemplate template)
{
super(objectId, template);
}

public void onBypassFeedback(L2PcInstance player, String command)
{
if (command.startsWith("change_password"))
{
StringTokenizer st = new StringTokenizer(command);
st.nextToken();
String currPass = null;
String newPass = null;
String repeatNewPass = null;
try
{
if (st.hasMoreTokens())
{
currPass = st.nextToken();
newPass = st.nextToken();
repeatNewPass = st.nextToken();
}
else
{
player.sendMessage("Please fill in all the blanks before requesting for a password change.");
return;
}
changePassword(currPass, newPass, repeatNewPass, player);
}
catch (StringIndexOutOfBoundsException e)
{
}
}
}

public void onAction(L2PcInstance player)
{
if (!canTarget(player)) {
return;
}

if (this != player.getTarget())
{
player.setTarget(this);

player.sendPacket(new MyTargetSelected(getObjectId(), 0));

player.sendPacket(new ValidateLocation(this));
}
else if (!canInteract(player))
{
player.getAI().setIntention(CtrlIntention.AI_INTENTION_INTERACT, this);
}
else
{
showHtmlWindow(player);
}

player.sendPacket(new ActionFailed());
}

private void showHtmlWindow(L2PcInstance activeChar)
{
NpcHtmlMessage nhm = new NpcHtmlMessage(5);
TextBuilder replyMSG = new TextBuilder("");

replyMSG.append("<html><title>L2 InStadia Account Manager</title>");
replyMSG.append("<body><center>");
replyMSG.append("To change your password:<br1> First fill in your current password and then your new!</font><br>");
replyMSG.append("Current Password: <edit var=\"cur\" width=100 height=15><br>");
replyMSG.append("New Password: <edit var=\"new\" width=100 height=15><br>");
replyMSG.append("Repeat New Password: <edit var=\"repeatnew\" width=100 height=15><br><br>");
replyMSG.append("<button value=\"Change Password\" action=\"bypass -h npc_" + getObjectId() + "_change_password $cur $new $repeatnew\" width=204 height=20 back=\"sek.cbui75\" fore=\"sek.cbui75\">");
replyMSG.append("</center></body></html>");

nhm.setHtml(replyMSG.toString());
activeChar.sendPacket(nhm);

activeChar.sendPacket(new ActionFailed());
}

public static boolean changePassword(String currPass, String newPass, String repeatNewPass, L2PcInstance activeChar)
{
if (newPass.length() < 5)
{
activeChar.sendMessage("The new password is too short!");
return false;
}
if (newPass.length() > 20)
{
activeChar.sendMessage("The new password is too long!");
return false;
}
if (!newPass.equals(repeatNewPass))
{
activeChar.sendMessage("Repeated password doesn't match the new password.");
return false;
}

Connection con = null;
String password = null;
try
{
MessageDigest md = MessageDigest.getInstance("SHA");
byte[] raw = currPass.getBytes("UTF-8");
raw = md.digest(raw);
String currPassEncoded = Base64.encodeBytes(raw);

con = L2DatabaseFactory.getInstance().getConnection();
PreparedStatement statement = con.prepareStatement("SELECT password FROM accounts WHERE login=?");
statement.setString(1, activeChar.getAccountName());
ResultSet rset = statement.executeQuery();
while (rset.next())
{
password = rset.getString("password");
}
rset.close();
statement.close();
byte[] password2 =
null;
if (currPassEncoded.equals(password))
{
password2 = newPass.getBytes("UTF-8");
password2 = md.digest(password2);

PreparedStatement statement2 = con.prepareStatement("UPDATE accounts SET password=? WHERE login=?");
statement2.setString(1, Base64.encodeBytes(password2));
statement2.setString(2, activeChar.getAccountName());
statement2.executeUpdate();
statement2.close();

activeChar.sendMessage("Congratulations! Your password has been changed succesfully. You will now be disconnected for security reasons. Please login again!");
try
{
Thread.sleep(3000L);
}
catch (Exception e)
{
}

activeChar.deleteMe();

activeChar.sendPacket(new LeaveWorld());
}
else
{
activeChar.sendMessage("The current password you've inserted is incorrect! Please try again!");

return password2 != null;
}
}
catch (Exception e)
{
_log.warning("could not update the password of account: " + activeChar.getAccountName());
}
finally
{
try
{
if (con != null)
con.close();
}
catch (SQLException e)
{
_log.warning("Failed to close database connection!");
}

}

return true;
}
}

Μετά κάνε ένα npc με type L2PasswordChanger.

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