TorControl

package tor;

import java.io.IOException;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class TorControl {
	public static final String COOKIE_FILE="D:\\Tor Browser\\Browser\\TorBrowser\\Data\\Tor\\control_auth_cookie";
	public static final String TOR_IP="127.0.0.1", TOR_PORT="9150";
	public static final int CONTROLPORT=9151;

	private OutputStreamWriter out;
	private TorReader in;
	private String magic;

	public TorControl() throws IOException{
		this(new Socket(TOR_IP, CONTROLPORT), COOKIE_FILE);
	}

	public TorControl(Socket s, String controlFile) throws IOException{
		//Get Magic Cookie
		Path path = Paths.get(controlFile);
		magic = hex(Files.readAllBytes(path));

		in = new TorReader(s.getInputStream());
		out = new OutputStreamWriter(s.getOutputStream());
	}

	public String write(String data) throws IOException{
		out.write(data+"\r\n");out.flush();
		return in.read();
	}

	public String newIdentity() throws IOException{
		return write("SIGNAL NEWNYM");
	}

	public String authenticate() throws IOException{
		return write("AUTHENTICATE "+magic+"\r\n");
	}

	public void useProxy(){
		System.setProperty("java.net.preferIPv4Stack" , "true");
		System.setProperty("socksProxyHost", TOR_IP);
        System.setProperty("socksProxyPort", TOR_PORT);
	}

	//Used for magic number
	private static final char[] NYBBLES = {
	        '0', '1', '2', '3', '4', '5', '6', '7',
	        '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
	};

    public static String hex(byte[] ba) {
        StringBuffer buf = new StringBuffer();
        for (int i = 0; i < ba.length; ++i) {
            int b = (ba[i]) & 0xff;
            buf.append(NYBBLES[b >> 4]);
            buf.append(NYBBLES[b&0x0f]);
        }
        return buf.toString();
    }
}