diff options
author | Vincent Breitmoser <valodim@mugenguild.com> | 2015-09-19 15:29:44 +0200 |
---|---|---|
committer | Vincent Breitmoser <valodim@mugenguild.com> | 2015-09-19 15:29:44 +0200 |
commit | d94ebb22699ff50c027296c5c5752c571c60c33c (patch) | |
tree | 784c73580b5bbb689716a89c3c89f8398aa9127d /OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BackupCodeDisplayFragment.java | |
parent | 2ebcc942d4a4faca97971b387d14c5ea1fcac16f (diff) | |
download | open-keychain-d94ebb22699ff50c027296c5c5752c571c60c33c.tar.gz open-keychain-d94ebb22699ff50c027296c5c5752c571c60c33c.tar.bz2 open-keychain-d94ebb22699ff50c027296c5c5752c571c60c33c.zip |
encrypted export WIP
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BackupCodeDisplayFragment.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BackupCodeDisplayFragment.java | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BackupCodeDisplayFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BackupCodeDisplayFragment.java new file mode 100644 index 000000000..d1636525e --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/BackupCodeDisplayFragment.java @@ -0,0 +1,99 @@ +/* + * 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 java.security.SecureRandom; +import java.util.Random; + +import android.os.Bundle; +import android.support.annotation.NonNull; +import android.support.annotation.Nullable; +import android.support.v4.app.Fragment; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.Button; +import android.widget.TextView; + +import org.sufficientlysecure.keychain.R; + + +public class BackupCodeDisplayFragment extends Fragment { + + public static final String ARG_BACKUP_CODE = "backup_code"; + + private String mBackupCode; + + private TextView vBackupCode; + private Button vOkButton; + + @Override + public void onActivityCreated(@Nullable Bundle savedInstanceState) { + super.onActivityCreated(savedInstanceState); + } + + @Override + public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { + View view = inflater.inflate(R.layout.drawer_backup_fragment, container, false); + + vBackupCode = (TextView) view.findViewById(R.id.backup_code); + vOkButton = (Button) view.findViewById(R.id.button_ok); + + return view; + } + + @Override + public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { + super.onViewCreated(view, savedInstanceState); + + if (savedInstanceState == null) { + mBackupCode = generateRandomCode(); + } else { + mBackupCode = savedInstanceState.getString(ARG_BACKUP_CODE); + } + + vBackupCode.setText(mBackupCode); + } + + @Override + public void onSaveInstanceState(Bundle outState) { + super.onSaveInstanceState(outState); + + outState.putString(ARG_BACKUP_CODE, mBackupCode); + } + + @NonNull + private static String generateRandomCode() { + + Random r = new SecureRandom(); + + // simple generation of a 20 character backup code + StringBuilder code = new StringBuilder(24); + for (int i = 0; i < 20; i++) { + if ((i % 5) == 4) { + code.append('-'); + } + code.append('a' + r.nextInt(26)); + } + + return code.toString(); + + } + +} |