package org.keycloak.testutils;
import org.keycloak.models.utils.Base32;
import org.keycloak.models.utils.TimeBasedOTP;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.TimeUnit;
public class TotpGenerator {
public static void main(String[] args) throws IOException {
Timer timer = new Timer();
TotpTask task = null;
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Insert secret: ");
for (String l = br.readLine(); true; l = br.readLine()) {
if (task != null) {
task.cancel();
}
System.out.println("Secret: " + l);
task = new TotpTask(l);
timer.schedule(task, 0, TimeUnit.SECONDS.toMillis(TimeBasedOTP.DEFAULT_INTERVAL_SECONDS));
}
}
private static class TotpTask extends TimerTask {
private String secret;
private TotpTask(String secret) {
this.secret = secret;
}
@Override
public void run() {
String google = new String(Base32.decode(secret));
TimeBasedOTP otp = new TimeBasedOTP();
System.out.println(otp.generate(google));
}
}
}