Antibot.java Antibot v2 Handler

package handlers.voicedcommandhandlers;

import gov.nasa.worldwind.formats.dds.DDSConverter;

import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.StringTokenizer;
import java.util.logging.Level;

import javax.imageio.ImageIO;

import com.l2jserver.Config;
import com.l2jserver.gameserver.handler.IVoicedCommandHandler;
import com.l2jserver.gameserver.idfactory.IdFactory;
import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
import com.l2jserver.gameserver.network.serverpackets.NpcHtmlMessage;
import com.l2jserver.gameserver.network.serverpackets.PledgeCrest;
import com.l2jserver.gameserver.skills.AbnormalEffect;
/**
 *
 * @author Pipiou211
 *
 */
public class Antibot implements IVoicedCommandHandler
{
private static final String[] _voicedCommands = { "antibot" };


public static StringBuilder finalString = new StringBuilder();
NpcHtmlMessage adminReply = new NpcHtmlMessage(5);
private static BufferedImage generateCaptcha()
{
	   Color textColor = new Color(98, 213, 43);
	   Color circleColor = new Color(98, 213, 43);
	   Font textFont = new Font("comic sans ms", Font.BOLD, 24);
	   int charsToPrint = 5;
	   int width = 256;
	   int height = 64;
	   int circlesToDraw = 8;
	   float horizMargin = 20.0f;
	   double rotationRange = 0.7; // this is radians
	   BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

	   Graphics2D g = (Graphics2D) bufferedImage.getGraphics();

	   //Draw an oval
	   g.setColor(new Color(30,31,31));
	   g.fillRect(0, 0, width, height);

	   // lets make some noisey circles
	   g.setColor(circleColor);
	   for ( int i = 0; i < circlesToDraw; i++ ) {
	     int circleRadius = (int) (Math.random() * height / 2.0);
	     int circleX = (int) (Math.random() * width - circleRadius);
	     int circleY = (int) (Math.random() * height - circleRadius);
	     g.drawOval(circleX, circleY, circleRadius * 2, circleRadius * 2);
	   }

	   g.setColor(textColor);
	   g.setFont(textFont);

	   FontMetrics fontMetrics = g.getFontMetrics();
	   int maxAdvance = fontMetrics.getMaxAdvance();
	   int fontHeight = fontMetrics.getHeight();

	   // Suggestions ----------------------------------------------------------------------
	   // i removed 1 and l and i because there are confusing to users...
	   // Z, z, and N also get confusing when rotated
	   // 0, O, and o are also confusing...
	   // lowercase G looks a lot like a 9 so i killed it
	   // this should ideally be done for every language...
	   // i like controlling the characters though because it helps prevent confusion
	   // So recommended chars are:
	   // String elegibleChars = "ABCDEFGHJKLMPQRSTUVWXYabcdefhjkmnpqrstuvwxy23456789";
	   // Suggestions ----------------------------------------------------------------------
	   String elegibleChars = "ABCDEFGHJKLMPQRSTUVWXYZ";
	   char[] chars = elegibleChars.toCharArray();

	   float spaceForLetters = -horizMargin * 2 + width;
	   float spacePerChar = spaceForLetters / (charsToPrint - 1.0f);

	   for ( int i = 0; i < charsToPrint; i++ ) {
	     double randomValue = Math.random();
	     int randomIndex = (int) Math.round(randomValue * (chars.length - 1));
	     char characterToShow = chars[randomIndex];
	     finalString.append(characterToShow);

	     // this is a separate canvas used for the character so that
	     // we can rotate it independently
	     int charWidth = fontMetrics.charWidth(characterToShow);
	     int charDim = Math.max(maxAdvance, fontHeight);
	     int halfCharDim = (charDim / 2);

	     BufferedImage charImage = new BufferedImage(charDim, charDim, BufferedImage.TYPE_INT_ARGB);
	     Graphics2D charGraphics = charImage.createGraphics();
	     charGraphics.translate(halfCharDim, halfCharDim);
	     double angle = (Math.random() - 0.5) * rotationRange;
	     charGraphics.transform(AffineTransform.getRotateInstance(angle));
	     charGraphics.translate(-halfCharDim,-halfCharDim);
	     charGraphics.setColor(textColor);
	     charGraphics.setFont(textFont);

	     int charX = (int) (0.5 * charDim - 0.5 * charWidth);
	     charGraphics.drawString("" + characterToShow, charX,
	                            ((charDim - fontMetrics.getAscent())
	                                   / 2 + fontMetrics.getAscent()));

	     float x = horizMargin + spacePerChar * (i) - charDim / 2.0f;
	     int y = ((height - charDim) / 2);
	     g.drawImage(charImage, (int) x, y, charDim, charDim, null, null);

	     charGraphics.dispose();
	   }

		g.dispose();

		return bufferedImage;
		}

public boolean useVoicedCommand(String command, L2PcInstance activeChar, String target)
{
	NpcHtmlMessage npcHtmlMessage = new NpcHtmlMessage(0);
	if (command.equalsIgnoreCase("antibot") && target != null)
	{
		StringTokenizer st = new StringTokenizer(target);
		try
		{
			String newpass = null, repeatnewpass = null;
			if (st.hasMoreTokens())
				newpass = st.nextToken();
				repeatnewpass = activeChar.getCode();

			if (!(newpass == null || repeatnewpass == null))
			{
				if (newpass.equals(repeatnewpass))//Right:)
				{
					npcHtmlMessage.setHtml("<html><title>Captcha Antibot System</title><body><center><font color=\"00FF00\">Correct Captcha.<br><br></font><center><br><button value=\"Exit\" action=\"bypass -h npc_%objectId%_Quest\" width=45 height=25 back=\"L2UI_CT1.Button_DF_Down\" fore=\"L2UI_ct1.button_df\"></center></body></html>");
					activeChar.sendPacket(npcHtmlMessage);
					activeChar.stopAbnormalEffect(AbnormalEffect.REAL_TARGET);
					activeChar.setIsInvul(false);
					activeChar.setIsParalyzed(false);
					activeChar.setKills(0);
					activeChar.setCodeRight(true);
					return false;
				}

			}
			if (!newpass.equals(repeatnewpass))//Wrong
			{
				if (activeChar.getTries() > 1)
				{
				activeChar.setTries(activeChar.getTries() -1);
				//Random image file name
				int imgId = IdFactory.getInstance().getNextId();
				//Convertion from .png to .dds, and crest packed send
				try
				{
					File captcha = new File("data/captcha/captcha.png");
					ImageIO.write(generateCaptcha(), "png", captcha);
					PledgeCrest packet = new PledgeCrest(imgId, DDSConverter.convertToDDS(captcha).array()); //Convertion to DDS where is antybot
					activeChar.sendPacket(packet);
				}
				catch (Exception e)
				{
					_log.warning(e.getMessage());
				}
				//Paralyze, abnormal effect, invul, html with captcha output and start of the 1 min counter
				adminReply.setHtml("<html><title>Captcha Antibot System</title><body><center>Enter the 5-digits code below and click Confirm.<br><img src=\"Crest.crest_" + Config.SERVER_ID + "_" + imgId + "\" width=256 height=64><br><font color=\"888888\">(There are only english uppercase letters.)</font><br1><font color=\"FF0000\">Tries Left: " + activeChar.getTries() +"</font><br><edit var=\"antibot\" width=110><br><button value=\"Confirm\" action=\"bypass -h voice .antibot $antibot\" width=80 height=26 back=\"L2UI_CT1.Button_DF_Down\" fore=\"L2UI_ct1.button_df\"><br>If you close by mistake this window,<br1>you can re-open it by typing \".captcha\" on Chat.<br1>You have 3 minutes to answer or you<br1>will get jailed.<br1>You have 3 tries, if you will<br1>answer wrong to all of them you<br1>will get punished.</center></body></html>");
				activeChar.sendPacket(adminReply);
				activeChar.setCode(finalString);
				finalString.replace(0, 5, "");
				return false;
				}
				activeChar.setPunishLevel(L2PcInstance.PunishLevel.JAIL, 1);
				return false;
			}
			else
			{
				if (activeChar.getTries() > 1)
				{
				activeChar.setTries(activeChar.getTries() -1);
				//Random image file name
				int imgId = IdFactory.getInstance().getNextId();
				//Convertion from .png to .dds, and crest packed send
				try
				{
					File captcha = new File("data/captcha/captcha.png");
					ImageIO.write(generateCaptcha(), "png", captcha);
					PledgeCrest packet = new PledgeCrest(imgId, DDSConverter.convertToDDS(captcha).array()); //Convertion to DDS where is antybot
					activeChar.sendPacket(packet);
				}
				catch (Exception e)
				{
					_log.warning(e.getMessage());
				}
				//Paralyze, abnormal effect, invul, html with captcha output and start of the 1 min counter
				adminReply.setHtml("<html><title>Captcha Antibot System</title><body><center>Enter the 5-digits code below and click Confirm.<br><img src=\"Crest.crest_" + Config.SERVER_ID + "_" + imgId + "\" width=256 height=64><br><font color=\"888888\">(There are only english uppercase letters.)</font><br1><font color=\"FF0000\">Tries Left: " + activeChar.getTries() +"</font><br><edit var=\"antibot\" width=110><br><button value=\"Confirm\" action=\"bypass -h voice .antibot $antibot\" width=80 height=26 back=\"L2UI_CT1.Button_DF_Down\" fore=\"L2UI_ct1.button_df\"><br>If you close by mistake this window,<br1>you can re-open it by typing \".captcha\" on Chat.<br1>You have 3 minutes to answer or you<br1>will get jailed.<br1>You have 3 tries, if you will<br1>answer wrong to all of them you<br1>will get punished.</center></body></html>");
				activeChar.sendPacket(adminReply);
				activeChar.setCode(finalString);
				finalString.replace(0, 5, "");
				return false;
				}
				//here will run method with jailing player
				activeChar.stopAbnormalEffect(AbnormalEffect.REAL_TARGET);
				npcHtmlMessage.setHtml("<html><title>Captcha Antibot System</title><body><center><font color=\"FF0000\">You have wasted your Tries.<br><br></font><font color=\"66FF00\"><center></font><font color=\"FF0000\">You will be jailed.</font><br><button value=\"Exit\" action=\"bypass -h npc_%objectId%_Quest\" width=45 height=25 back=\"L2UI_CT1.Button_DF_Down\" fore=\"L2UI_ct1.button_df\"></center></body></html>");
				if (activeChar.isFlyingMounted())
					activeChar.untransform();
				activeChar.setPunishLevel(L2PcInstance.PunishLevel.JAIL, 1);
				activeChar.setIsInvul(false);
				activeChar.setIsParalyzed(false);
				activeChar.sendPacket(npcHtmlMessage);
				return false;
			}
		}
		catch (Exception e)
		{
			activeChar.sendMessage("A problem occured while adding captcha!");
			_log.log(Level.WARNING, "", e);
		}
	}
	else
	{
		if (activeChar.getTries() > 1)
		{
		activeChar.setTries(activeChar.getTries() -1);
		//Random image file name
		int imgId = IdFactory.getInstance().getNextId();
		//Convertion from .png to .dds, and crest packed send
		try
		{
			File captcha = new File("data/captcha/captcha.png");
			ImageIO.write(generateCaptcha(), "png", captcha);
			PledgeCrest packet = new PledgeCrest(imgId, DDSConverter.convertToDDS(captcha).array()); //Convertion to DDS where is antybot
			activeChar.sendPacket(packet);
		}
		catch (Exception e)
		{
			_log.warning(e.getMessage());
		}
		//Paralyze, abnormal effect, invul, html with captcha output and start of the 1 min counter
		adminReply.setHtml("<html><title></title><body><center>Enter the 5-digits code below and click Confirm.<br><img src=\"Crest.crest_" + Config.SERVER_ID + "_" + imgId + "\" width=256 height=64><br><font color=\"888888\">(There are only english uppercase letters.)</font><br1><font color=\"FF0000\">Tries Left: " + activeChar.getTries() +"</font><br><edit var=\"antibot\" width=110><br><button value=\"Confirm\" action=\"bypass -h voice .antibot $antibot\" width=80 height=26 back=\"L2UI_CT1.Button_DF_Down\" fore=\"L2UI_ct1.button_df\"><br>If you close by mistake this window,<br1>you can re-open it by typing \".captcha\" on Chat.<br1>You have 3 minutes to answer or you<br1>will get jailed.<br1>You have 3 tries, if you will<br1>answer wrong to all of them you<br1>will get punished.</center></body></html>");
		activeChar.sendPacket(adminReply);
		activeChar.setCode(finalString);
		finalString.replace(0, 5, "");
		return false;
	}
		//here will run method with jailing player
		activeChar.stopAbnormalEffect(AbnormalEffect.REAL_TARGET);
		npcHtmlMessage.setHtml("<html><title>Captcha Antibot System</title><body><center><font color=\"FF0000\">You have wasted your Tries.<br><br></font><font color=\"66FF00\"><center></font><font color=\"FF0000\">You will be jailed.</font><br><button value=\"Exit\" action=\"bypass -h npc_%objectId%_Quest\" width=45 height=25 back=\"L2UI_CT1.Button_DF_Down\" fore=\"L2UI_ct1.button_df\"></center></body></html>");
		if (activeChar.isFlyingMounted())
			activeChar.untransform();
		activeChar.setPunishLevel(L2PcInstance.PunishLevel.JAIL, 1);
		activeChar.setIsInvul(false);
		activeChar.setIsParalyzed(false);
		activeChar.sendPacket(npcHtmlMessage);
	return false;
}
	return true;
}

public String[] getVoicedCommandList()
{
	return _voicedCommands;
}
}