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/*
* Copyright (C) 2015 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Pair;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.ui.CreateKeyActivity.FragAction;
import org.sufficientlysecure.keychain.util.Passphrase;
import java.security.SecureRandom;
public class CreateYubiKeyPinFragment extends Fragment {
// view
CreateKeyActivity mCreateKeyActivity;
TextView mPin;
TextView mAdminPin;
View mBackButton;
View mNextButton;
/**
* Creates new instance of this fragment
*/
public static CreateYubiKeyPinFragment newInstance() {
CreateYubiKeyPinFragment frag = new CreateYubiKeyPinFragment();
Bundle args = new Bundle();
frag.setArguments(args);
return frag;
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.create_yubi_key_pin_fragment, container, false);
mPin = (TextView) view.findViewById(R.id.create_yubi_key_pin);
mAdminPin = (TextView) view.findViewById(R.id.create_yubi_key_admin_pin);
mBackButton = view.findViewById(R.id.create_key_back_button);
mNextButton = view.findViewById(R.id.create_key_next_button);
if (mCreateKeyActivity.mYubiKeyPin == null) {
new AsyncTask<Void, Void, Pair<Passphrase, Passphrase>>() {
@Override
protected Pair<Passphrase, Passphrase> doInBackground(Void... unused) {
SecureRandom secureRandom = new SecureRandom();
// min = 6, we choose 6
String pin = "" + secureRandom.nextInt(9)
+ secureRandom.nextInt(9)
+ secureRandom.nextInt(9)
+ secureRandom.nextInt(9)
+ secureRandom.nextInt(9)
+ secureRandom.nextInt(9);
// min = 8, we choose 10, but 6 are equals the PIN
String adminPin = pin + secureRandom.nextInt(9)
+ secureRandom.nextInt(9)
+ secureRandom.nextInt(9)
+ secureRandom.nextInt(9);
return new Pair<>(new Passphrase(pin), new Passphrase(adminPin));
}
@Override
protected void onPostExecute(Pair<Passphrase, Passphrase> pair) {
mCreateKeyActivity.mYubiKeyPin = pair.first;
mCreateKeyActivity.mYubiKeyAdminPin = pair.second;
mPin.setText(mCreateKeyActivity.mYubiKeyPin.toStringUnsafe());
mAdminPin.setText(mCreateKeyActivity.mYubiKeyAdminPin.toStringUnsafe());
}
}.execute();
} else {
mPin.setText(mCreateKeyActivity.mYubiKeyPin.toStringUnsafe());
mAdminPin.setText(mCreateKeyActivity.mYubiKeyAdminPin.toStringUnsafe());
}
mBackButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
back();
}
});
mNextButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
nextClicked();
}
});
return view;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
mCreateKeyActivity = (CreateKeyActivity) getActivity();
}
private void nextClicked() {
CreateYubiKeyPinRepeatFragment frag = CreateYubiKeyPinRepeatFragment.newInstance();
mCreateKeyActivity.loadFragment(frag, FragAction.TO_RIGHT);
}
private void back() {
mCreateKeyActivity.loadFragment(null, FragAction.TO_LEFT);
}
}
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