121 lines
3.9 KiB
Java
121 lines
3.9 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.ui;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Bundle;
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import android.view.MenuItem;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.ui.base.BaseActivity;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.security.KeyStore;
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public class SettingsSmartPGPAuthoritiesActivity extends BaseActivity {
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public static final String EXTRA_SMARTPGP_AUTHORITIES = "smartpgp_authorities";
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private static final String KEYSTORE_FILE = "smartpgp_authorities.keystore";
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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Intent intent = getIntent();
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String authorities[] = intent.getStringArrayExtra(EXTRA_SMARTPGP_AUTHORITIES);
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loadFragment(savedInstanceState, authorities);
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getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case android.R.id.home:
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finish();
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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@Override
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protected void initLayout() {
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setContentView(R.layout.smartpgp_authorities_preference);
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}
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private void loadFragment(Bundle savedInstanceState, String[] authorities) {
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// However, if we're being restored from a previous state,
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// then we don't need to do anything and should return or else
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// we could end up with overlapping fragments.
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if (savedInstanceState != null) {
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return;
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}
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SettingsSmartPGPAuthorityFragment fragment = SettingsSmartPGPAuthorityFragment.newInstance(authorities);
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// Add the fragment to the 'fragment_container' FrameLayout
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// NOTE: We use commitAllowingStateLoss() to prevent weird crashes!
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getSupportFragmentManager().beginTransaction()
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.replace(R.id.smartpgp_authorities_settings_fragment_container, fragment)
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.commitAllowingStateLoss();
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// do it immediately!
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getSupportFragmentManager().executePendingTransactions();
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}
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public static final KeyStore readKeystore(final Context ctx) {
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try {
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final File kf = new File(ctx.getFilesDir(), KEYSTORE_FILE);
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final KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());
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ks.load(null, null);
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if (kf.exists()) {
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final FileInputStream fis = new FileInputStream(kf);
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ks.load(fis, null);
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fis.close();
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}
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return ks;
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} catch (Exception e) {
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return null;
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}
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}
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public static final void writeKeystore(final Context ctx, final KeyStore ks) {
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try {
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final File kf = new File(ctx.getFilesDir(), KEYSTORE_FILE);
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if (kf.exists()) {
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kf.delete();
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}
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final FileOutputStream fos = new FileOutputStream(kf);
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ks.store(fos, null);
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fos.flush();
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fos.close();
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} catch (Exception e) {
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}
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}
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}
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