Closes issue #130

GameServer/conf/world.xml

@@ -94,4 +94,9 @@
 	
 	<!-- This is displayed on login. Each line will be sent as a new message. Make sure you're using XML entities for things like <, new lines, etc. -->
 	<entry key="MOTD">@yel@Welcome to MoparClassic Alpha!&#10;@red@Report all bugs on GitHub.&#10;@cya@Commands: ::town &lt;townname>, ::item &lt;id>, ::say &lt;msg>, ::goto &lt;name></entry>
+	
+	<!-- This is the location of the captcha dictionary -->
+	<entry key="captcha-dictionary">conf/data/dictionary.txt</entry>
+	<!-- This is the directory that contains the fonts -->
+	<entry key="font-dir">conf/fonts</entry>
 </properties>

GameServer/src/org/moparscape/msc/config/Config.java

@@ -48,6 +48,8 @@ public class Config {
 	public static String DATA_SERVICE;
 	public static String REPORT_HANDLER;
 	public static String MOTD;
+	public static String CAPTCHA_DICTIONARY;
+	public static String FONT_DIR;
 
 	static {
 		loadEnv();
@@ -144,6 +146,9 @@ public class Config {
 		
 		MOTD = props.getProperty("MOTD");
 		
+		CAPTCHA_DICTIONARY = props.getProperty("captcha-dictionary");
+	 	FONT_DIR = props.getProperty("font-dir");
+
 		props.clear();
 	}
 

GameServer/src/org/moparscape/msc/gs/builders/MiscPacketBuilder.java

@@ -9,13 +9,13 @@ import org.moparscape.msc.config.Constants;
 import org.moparscape.msc.config.Formulae;
 import org.moparscape.msc.gs.Instance;
 import org.moparscape.msc.gs.connection.RSCPacket;
-import org.moparscape.msc.gs.core.GameEngine;
 import org.moparscape.msc.gs.model.Bank;
 import org.moparscape.msc.gs.model.InvItem;
 import org.moparscape.msc.gs.model.Player;
 import org.moparscape.msc.gs.model.Shop;
 import org.moparscape.msc.gs.model.World;
 import org.moparscape.msc.gs.quest.Quest;
+import org.moparscape.msc.gs.tools.Captcha;
 
 public class MiscPacketBuilder {
 	/**
@@ -219,7 +219,7 @@ public class MiscPacketBuilder {
 	 */
 	public void sendEnterSleep() {
 		player.setSleeping(true);
-		byte[] image = GameEngine.getCaptcha().generateCaptcha(player);
+		byte[] image = Captcha.generateCaptcha(player);
 		RSCPacketBuilder s = new RSCPacketBuilder();
 		s.setID(206);
 		s.addBytes(image, 0, image.length);

GameServer/src/org/moparscape/msc/gs/core/GameEngine.java

@@ -24,7 +24,6 @@ import org.moparscape.msc.gs.model.snapshot.Snapshot;
 import org.moparscape.msc.gs.phandler.PacketHandler;
 import org.moparscape.msc.gs.phandler.PacketHandlerDef;
 import org.moparscape.msc.gs.plugins.dependencies.NpcAI;
-import org.moparscape.msc.gs.tools.Captcha;
 import org.moparscape.msc.gs.util.Logger;
 
 /**
@@ -33,16 +32,11 @@ import org.moparscape.msc.gs.util.Logger;
  */
 public final class GameEngine extends Thread {
 
-	private static Captcha captcha;
 	/**
 	 * World instance
 	 */
 	private static final World world = Instance.getWorld();
 	
-	public static Captcha getCaptcha() {
-		return captcha;
-	}
-
 	/**
 	 * Responsible for updating all connected clients
 	 */
@@ -88,8 +82,6 @@ public final class GameEngine extends Thread {
 	 * Constructs a new game engine with an empty packet queue.
 	 */
 	public GameEngine() {
-		captcha = new Captcha();
-		captcha.init();
 		packetQueue = new PacketQueue<RSCPacket>();
 		try {
 			loadPacketHandlers();

GameServer/src/org/moparscape/msc/gs/tools/Captcha.java

@@ -4,177 +4,121 @@ import java.awt.Color;
 import java.awt.Font;
 import java.awt.Graphics2D;
 import java.awt.image.BufferedImage;
+import java.io.BufferedReader;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.channels.FileChannel;
 import java.util.ArrayList;
+import java.util.List;
 import java.util.Random;
 
 import javax.imageio.ImageIO;
 
+import org.moparscape.msc.config.Config;
 import org.moparscape.msc.gs.model.Player;
 import org.moparscape.msc.gs.util.Logger;
 
 public class Captcha {
-	/*
-	 * ArrayList that includes the preset colours.
-	 */
 
-	public ArrayList<Color> colors = new ArrayList<Color>();
-	/*
-	 * Boolean to decide whether to draw the grid on top or not
-	 */
-	public boolean drawGrid = true;
-	/*
-	 * String that represents the folder to load the fonts from
-	 */
-	public String fontFolder = "." + File.separator + "conf" + File.separator
-			+ "fonts" + File.separator;
-	private final int LETTERS_MAX = 5;
-	private final int LETTERS_MIN = 4;
-	private final int LINES_MAX = 10;
-	private final int LINES_MIN = 5;
-	/*
-	 * Font array that includes all the loaded fonts with a preset size (between
-	 * 25 and 30)
-	 */
-	public Font loadedFonts[];
-	private Random rand = new Random();
-	private final int SQUARES_MAX = 13;
-	/*
-	 * Settings to disable OCRs
-	 */
-	private final int SQUARES_MIN = 7;
+	private final static Font[] fonts = new Font[4];
+	private final static Random random = new Random();
+	private final static String[] words;
 
-	/*
-	 * Boolean that defines if we should display what Font we loaded.
-	 */
-	public boolean verboseLoad = false;
+	static {
 
-	public byte[] generateCaptcha(Player p) {
-		BufferedImage image = new BufferedImage(307, 49,
-				BufferedImage.TYPE_INT_RGB);
-		Graphics2D gfx = image.createGraphics();
-		String captcha = "";
-
-		gfx.setColor(Color.white);
-		gfx.fillRect(0, 0, 308, 52);
-
-		int howManyLetters = random(LETTERS_MIN, LETTERS_MAX);
-		for (int i = 1; i <= howManyLetters; i++) {
-			char temp = generateLetter();
-			if (temp == 'i' || temp == 'l') {
-				temp = 'q'; // ez fix.
-			}
-			captcha += temp;
-			gfx.setColor(colors.get(random(0, colors.size() - 1)));
-			gfx.setFont(loadedFonts[random(0, loadedFonts.length - 1)]);
-			double shear = (rand.nextDouble()) - 0.5;
-			gfx.shear(shear, 0);
-			gfx.drawString(String.valueOf(temp), i * random(40, 45),
-					random(30, 40));
-			gfx.shear(-shear, 0);
-		}
-
-		int howManySquares = random(SQUARES_MIN, SQUARES_MAX);
-		for (int i = 0; i < howManySquares; i++) // Draw the squares, math by
-		// xEnt.
-		{
-			gfx.setColor(colors.get(random(0, colors.size() - 1)));
-			gfx.drawRect((int) random(0, image.getWidth() - 80),
-					(int) random(0, image.getHeight()), 3, 3);
-		}
-
-		int howManyLines = random(LINES_MIN, LINES_MAX);
-		for (int i = 0; i < howManyLines; i++) // Draw the lines, math by xEnt.
-		{
-			gfx.setColor(colors.get(random(0, colors.size() - 1)));
-			int x = random(0, image.getWidth() - 80);
-			int y = random(0, image.getHeight());
-			gfx.drawLine(x, y, x + random(0, 30), y - random(0, 30));
-		}
-
-		if (drawGrid) // Draws the gray grid
-		{
-			gfx.setColor(Color.gray);
-			gfx.drawLine(0, 13, image.getWidth(), 13);
-			gfx.drawLine(0, 26, image.getWidth(), 26);
-			gfx.drawLine(0, 39, image.getWidth(), 39);
-			for (int i = 1; i < (int) (image.getWidth() / 10); i++) {
-				gfx.drawLine(20 * i, 0, 20 * i, image.getHeight());
-			}
-		}
-		ByteArrayOutputStream baos = new ByteArrayOutputStream();
-		byte[] returnVal = null;
+		// Load fonts
 		try {
-			ImageIO.write(image, "PNG", baos);
-			returnVal = baos.toByteArray();
-			// DataOutputStream out = new DataOutputStream(new
-			// FileOutputStream("newcaptchas/" + captcha + ".png"));
-			// out.write(returnVal);
+			String fontDir = Config.FONT_DIR;
+			fonts[0] = Font.createFont(Font.TRUETYPE_FONT,
+					new File(fontDir, "Harakiri.ttf")).deriveFont(30f);
+			fonts[1] = Font.createFont(Font.TRUETYPE_FONT,
+					new File(fontDir, "IntellectaBodoned Trash.ttf"))
+					.deriveFont(30f);
+			fonts[2] = Font.createFont(Font.TRUETYPE_FONT,
+					new File(fontDir, "MiseryLovesCompanyDEMO.ttf"))
+					.deriveFont(20f);
+			fonts[3] = Font.createFont(Font.TRUETYPE_FONT,
+					new File(fontDir, "ADDSBP__.TTF")).deriveFont(20f);
+		} catch (Exception e) {
+			Logger.error("Font loading error: " + e.getMessage());
+			e.printStackTrace();
+		}
+
+		// Load word list
+		List<String> wordList = new ArrayList<String>();
+		File file = new File(Config.CAPTCHA_DICTIONARY);
+		FileInputStream in = null;
+		BufferedReader reader = null;
+		FileChannel chan = null;
+		try {
+			in = new FileInputStream(file);
+			chan = in.getChannel();
+			reader = new BufferedReader(new InputStreamReader(in));
+			String line;
+			while ((line = reader.readLine()) != null) {
+				wordList.add(line);
+			}
+		} catch (IOException e) {
+			e.printStackTrace();
+		} finally {
+			try {
+				chan.close();
+				if (reader != null) {
+					reader.close();
+				}
+				if (in != null) {
+					in.close();
+				}
 			} catch (IOException e) {
 				e.printStackTrace();
 			}
-		gfx.dispose();
-		p.setSleepword(captcha);
-		return returnVal;
 		}
 
-	private char generateLetter() {
-		char returnVal = '-';
-		switch (random(0, 1)) {
-		case 0:
-			returnVal = (char) random(65, 89);
-			break;
-		case 1:
-			returnVal = (char) random(97, 121);
-			break;
-		}
-		return returnVal;
+		words = wordList.toArray(new String[0]);
 	}
 
-	public void init() {
-		loadFonts();
-		colors.clear();
-		colors.add(Color.BLUE);
-		colors.add(Color.GREEN);
-		colors.add(Color.GRAY);
-		colors.add(Color.BLACK);
-		colors.add(Color.RED);
-		colors.add(Color.PINK);
-		colors.add(Color.DARK_GRAY);
+	public static byte[] generateCaptcha(Player p) {
+		BufferedImage image = new BufferedImage(255, 40,
+				BufferedImage.TYPE_INT_RGB);
+		Graphics2D g = image.createGraphics();
+		g.setColor(Color.black);
+		g.fillRect(0, 0, 255, 40);
+		g.setColor(Color.white);
+		String word = getWord();
+		p.setSleepword(word);
+		int lastx = 5;
+		for (char c : word.toCharArray()) {
+			Font font = fonts[random.nextInt(fonts.length)];
+			char chr = Character.toUpperCase(c);
+			g.setFont(font);
+			// y = 35 +- 5
+			g.drawString(String.valueOf(chr), lastx, 35 + 5 * randomSignFlip());
+			// Width +- an element of (0 through 5)
+			lastx += g.getFontMetrics().charWidth(chr)
+					+ randomSignFlip() * random.nextInt(6);
 		}
-
-	/**
-	 * Loads fonts from a folder to a font array
-	 */
-	public void loadFonts() {
-		File fontFolderFile = new File(fontFolder);
-		String[] fonts = fontFolderFile.list();
-		loadedFonts = new Font[fonts.length];
-		for (int i = 0; i < fonts.length; i++) {
+		g.dispose();
+		ByteArrayOutputStream baos = new ByteArrayOutputStream();
+		byte bytes[] = null;
 		try {
-				FileInputStream fontStream = new FileInputStream(fontFolder
-						+ fonts[i]);
-				Font temp = java.awt.Font.createFont(
-						java.awt.Font.TRUETYPE_FONT, fontStream);
-				loadedFonts[i] = temp.deriveFont(Float.valueOf(random(35, 40)));
-				if (verboseLoad) {
-					Logger.println("Loaded font: "
-							+ loadedFonts[i].getFontName());
+			ImageIO.write(image, "png", baos);
+			bytes = baos.toByteArray();
+		} catch (IOException ioe) {
+			Logger.error("Error generating sleep word: " + ioe.getMessage());
+			ioe.printStackTrace();
 		}
-			} catch (Exception e) {
-				e.printStackTrace();
-			}
-		}
-		Logger.println("Loaded " + fonts.length + " fonts.");
+		return bytes;
 	}
 	
-	/**
-	 * returns a random number within the given bounds
-	 */
-	public int random(int low, int high) {
-		return low + rand.nextInt(high - low + 1);
+	private static int randomSignFlip() {
+		return random.nextBoolean() ? 1 : -1;
+	}
+
+	public static String getWord() {
+		int row = random.nextInt(words.length);
+		return words[row];
 	}
 }

GameServer/src/org/moparscape/msc/gs/tools/PaintCaptcha.java

@@ -1,140 +0,0 @@
-package org.moparscape.msc.gs.tools;
-
-import java.awt.Color;
-import java.awt.Graphics;
-import java.awt.Graphics2D;
-import java.awt.GraphicsConfiguration;
-import java.awt.GraphicsDevice;
-import java.awt.GraphicsEnvironment;
-import java.awt.HeadlessException;
-import java.awt.Image;
-import java.awt.Transparency;
-import java.awt.image.BufferedImage;
-import java.util.Random;
-
-import javax.swing.ImageIcon;
-
-public class PaintCaptcha {
-
-	private final static boolean GRAPH = true;
-	private final static Color GRAPH_COLOR = Color.GRAY;
-	private final static int LINES = 10;
-	/**
-	 * @author xEnt
-	 * @info Paints over an Image(Captcha) to make it more secure, with Lines,
-	 *       Squares and a Graph.
-	 */
-
-	private final static int SQUARES_MAX = 25;
-	private final static int SQUARES_MIN = 10;
-
-	/*
-	 * public static void main(String [] args) throws Exception { Image img =
-	 * Toolkit.getDefaultToolkit().getImage("C:\\heh.png");
-	 * ImageIO.write(Img.toBufferedImage(secure(img)), "png", new
-	 * File("C:\\roflrofl.png")); }
-	 */
-
-	public static long randomNumber(int min, int max) {
-		return Math.round((Math.random() * (max - min)) + min);
-	}
-
-	public static BufferedImage secure(BufferedImage b) {
-		try {
-
-			// BufferedImage b = toBufferedImage(img);
-			Graphics2D gfx = b.createGraphics();
-			gfx.setPaintMode();
-
-			// Draw the Squares.
-			Random random = new Random();
-			for (int i = 0; i < (int) randomNumber(SQUARES_MIN, SQUARES_MAX); i++) {
-				Color randomColor = Color.getHSBColor(random.nextFloat(), 1.0F,
-						1.0F);
-				gfx.setColor(randomColor);
-				gfx.drawRect((int) randomNumber(0, b.getWidth() - 80),
-						(int) randomNumber(0, b.getHeight()), 3, 3);
-			}
-
-			// Draw the Lines.
-			gfx.setColor(Color.ORANGE);
-			for (int i = 0; i < LINES; i++) {
-				int x = (int) randomNumber(0, b.getWidth() - 80);
-				int y = (int) randomNumber(0, b.getHeight());
-				gfx.drawLine(x, y, x + (int) randomNumber(0, 30), y
-						- (int) randomNumber(0, 30));
-			}
-
-			if (GRAPH) {
-				// Graph, Lines from Top to Bottom.
-				gfx.setColor(GRAPH_COLOR);
-				for (int i = 0; i < 17; i++) {
-					gfx.drawLine(5 + i * 15, b.getHeight(), 5 + i * 15, 0);
-				}
-				for (int i = 0; i < 3; i++) {
-					gfx.drawLine(b.getWidth(), i * 14, 0, i * 14);
-				}
-			}
-
-			gfx.dispose();
-			return b;
-
-		} catch (Exception e) {
-			return null;
-		}
-	}
-
-	public static BufferedImage toBufferedImage(Image image) {
-		if (image instanceof BufferedImage) {
-			return (BufferedImage) image;
-		}
-
-		// This code ensures that all the pixels in the image are loaded
-		image = new ImageIcon(image).getImage();
-
-		// Determine if the image has transparent pixels; for this method's
-		// implementation, see e661 Determining If an Image Has Transparent
-		// Pixels
-		boolean hasAlpha = false;
-
-		// Create a buffered image with a format that's compatible with the
-		// screen
-		BufferedImage bimage = null;
-		GraphicsEnvironment ge = GraphicsEnvironment
-				.getLocalGraphicsEnvironment();
-		try {
-			// Determine the type of transparency of the new buffered image
-			int transparency = Transparency.OPAQUE;
-			if (hasAlpha) {
-				transparency = Transparency.BITMASK;
-			}
-
-			// Create the buffered image
-			GraphicsDevice gs = ge.getDefaultScreenDevice();
-			GraphicsConfiguration gc = gs.getDefaultConfiguration();
-			bimage = gc.createCompatibleImage(image.getWidth(null),
-					image.getHeight(null), transparency);
-		} catch (HeadlessException e) {
-			// The system does not have a screen
-		}
-
-		if (bimage == null) {
-			// Create a buffered image using the default color model
-			int type = BufferedImage.TYPE_INT_RGB;
-			if (hasAlpha) {
-				type = BufferedImage.TYPE_INT_ARGB;
-			}
-			bimage = new BufferedImage(image.getWidth(null),
-					image.getHeight(null), type);
-		}
-
-		// Copy image to buffered image
-		Graphics g = bimage.createGraphics();
-
-		// Paint the image onto the buffered image
-		g.drawImage(image, 0, 0, null);
-		g.dispose();
-
-		return bimage;
-	}
-}