import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.logging.Logger;

abstract public class AttackWebserver {
	protected final static Logger log = Logger.getLogger(AttackWebserver.class
			.getName());

	/**
	 * Posts username/password pair to the website running at localhost port
	 * 8080 and returns whether the login attempt was successful.
	 *
	 * @param username
	 *            String giving the username
	 * @param password
	 *            String giving the password
	 * @return True if successful
	 * @throws IOException
	 */
	protected static boolean isCorrectPassword(String username, String password)
			throws IOException {
		URL url;
		url = new URL("http://localhost:8080");
		HttpURLConnection hurl = (HttpURLConnection) url.openConnection();
		hurl.setRequestMethod("POST");

		String urlParameters = "username=" + username + "&password=" + password;

		hurl.setDoOutput(true);
		DataOutputStream wr = new DataOutputStream(hurl.getOutputStream());
		wr.writeBytes(urlParameters);
		wr.flush();
		wr.close();

		int responseCode = hurl.getResponseCode();

		BufferedReader in = new BufferedReader(new InputStreamReader(
				hurl.getInputStream()));
		String inputLine;
		StringBuffer response = new StringBuffer();

		while ((inputLine = in.readLine()) != null) {
			response.append(inputLine);
		}
		in.close();

		if (response.indexOf("Summary of") > 0) {
			log.info("Testing: " + username + " : " + password + " SUCCESS");
			return true;
		}

		log.info("Testing: " + username + " : " + password + " FAIL");
		return false;
	}

}