From 0fd5b45df913d1524aa400a644c48dc91044d9bf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Dominik=20Sch=C3=BCrmann?= Date: Sun, 10 Jan 2016 17:17:57 +0100 Subject: Use more generic 'Security Token' where possible, add sutitle to create key what tokens are supported --- .../ui/CreateSecurityTokenPinFragment.java | 213 +++++++++++++++++++++ 1 file changed, 213 insertions(+) create mode 100644 OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateSecurityTokenPinFragment.java (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateSecurityTokenPinFragment.java') diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateSecurityTokenPinFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateSecurityTokenPinFragment.java new file mode 100644 index 000000000..45cf7a665 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/CreateSecurityTokenPinFragment.java @@ -0,0 +1,213 @@ +/* + * Copyright (C) 2015 Dominik Schürmann + * + * 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 . + */ + +package org.sufficientlysecure.keychain.ui; + +import android.app.Activity; +import android.content.Context; +import android.os.AsyncTask; +import android.os.Bundle; +import android.support.v4.app.Fragment; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.view.inputmethod.InputMethodManager; +import android.widget.EditText; +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; +import java.util.Arrays; +import java.util.HashSet; + +public class CreateSecurityTokenPinFragment extends Fragment { + + // view + CreateKeyActivity mCreateKeyActivity; + EditText mPin; + EditText mPinRepeat; + TextView mAdminPin; + View mBackButton; + View mNextButton; + + private static HashSet sPinBlacklist = new HashSet<>(Arrays.asList( + "000000", + "111111", + "222222", + "333333", + "444444", + "555555", + "666666", + "777777", + "888888", + "999999", + "123456", + "XXXXXX" + )); + + /** + * Creates new instance of this fragment + */ + public static CreateSecurityTokenPinFragment newInstance() { + CreateSecurityTokenPinFragment frag = new CreateSecurityTokenPinFragment(); + + Bundle args = new Bundle(); + frag.setArguments(args); + + return frag; + } + + /** + * Checks if text of given EditText is not empty. If it is empty an error is + * set and the EditText gets the focus. + * + * @return true if EditText is not empty + */ + private static boolean isEditTextNotEmpty(Context context, EditText editText) { + boolean output = true; + if (editText.getText().length() == 0) { + editText.setError(context.getString(R.string.create_key_empty)); + editText.requestFocus(); + output = false; + } else { + editText.setError(null); + } + + return output; + } + + private static boolean areEditTextsEqual(EditText editText1, EditText editText2) { + Passphrase p1 = new Passphrase(editText1); + Passphrase p2 = new Passphrase(editText2); + return (p1.equals(p2)); + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { + View view = inflater.inflate(R.layout.create_yubi_key_pin_fragment, container, false); + + mPin = (EditText) view.findViewById(R.id.create_yubi_key_pin); + mPinRepeat = (EditText) view.findViewById(R.id.create_yubi_key_pin_repeat); + 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.mSecurityTokenPin == null) { + new AsyncTask() { + @Override + protected Passphrase doInBackground(Void... unused) { + SecureRandom secureRandom = new SecureRandom(); + // min = 8, we choose 8 + String adminPin = "" + secureRandom.nextInt(9) + + secureRandom.nextInt(9) + + secureRandom.nextInt(9) + + secureRandom.nextInt(9) + + secureRandom.nextInt(9) + + secureRandom.nextInt(9) + + secureRandom.nextInt(9) + + secureRandom.nextInt(9); + + return new Passphrase(adminPin); + } + + @Override + protected void onPostExecute(Passphrase adminPin) { + mCreateKeyActivity.mSecurityTokenAdminPin = adminPin; + + mAdminPin.setText(mCreateKeyActivity.mSecurityTokenAdminPin.toStringUnsafe()); + } + }.execute(); + } else { + mAdminPin.setText(mCreateKeyActivity.mSecurityTokenAdminPin.toStringUnsafe()); + } + + mPin.requestFocus(); + 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 back() { + hideKeyboard(); + mCreateKeyActivity.loadFragment(null, FragAction.TO_LEFT); + } + + private void nextClicked() { + if (isEditTextNotEmpty(getActivity(), mPin)) { + + if (!areEditTextsEqual(mPin, mPinRepeat)) { + mPinRepeat.setError(getString(R.string.create_key_passphrases_not_equal)); + mPinRepeat.requestFocus(); + return; + } + + if (mPin.getText().toString().length() < 6) { + mPin.setError(getString(R.string.create_key_yubi_key_pin_too_short)); + mPin.requestFocus(); + return; + } + + if (sPinBlacklist.contains(mPin.getText().toString())) { + mPin.setError(getString(R.string.create_key_yubi_key_pin_insecure)); + mPin.requestFocus(); + return; + } + + mCreateKeyActivity.mSecurityTokenPin = new Passphrase(mPin.getText().toString()); + + CreateKeyFinalFragment frag = CreateKeyFinalFragment.newInstance(); + hideKeyboard(); + mCreateKeyActivity.loadFragment(frag, FragAction.TO_RIGHT); + } + } + + private void hideKeyboard() { + if (getActivity() == null) { + return; + } + InputMethodManager inputManager = (InputMethodManager) getActivity() + .getSystemService(Context.INPUT_METHOD_SERVICE); + + // check if no view has focus + View v = getActivity().getCurrentFocus(); + if (v == null) + return; + + inputManager.hideSoftInputFromWindow(v.getWindowToken(), 0); + } + +} -- cgit v1.2.3