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/*
* Copyright (C) 2012-2013 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;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.Application;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.os.Environment;
import android.provider.ContactsContract;
import android.widget.Toast;
import org.spongycastle.jce.provider.BouncyCastleProvider;
import org.sufficientlysecure.keychain.helper.Preferences;
import org.sufficientlysecure.keychain.helper.TlsHelper;
import org.sufficientlysecure.keychain.provider.TemporaryStorageProvider;
import org.sufficientlysecure.keychain.ui.ConsolidateDialogActivity;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.util.PRNGFixes;
import java.security.Security;
public class KeychainApplication extends Application {
/**
* Called when the application is starting, before any activity, service, or receiver objects
* (excluding content providers) have been created.
*/
@Override
public void onCreate() {
super.onCreate();
/*
* Sets Bouncy (Spongy) Castle as preferred security provider
*
* insertProviderAt() position starts from 1
*/
Security.insertProviderAt(new BouncyCastleProvider(), 1);
/*
* apply RNG fixes
*
* among other things, executes Security.insertProviderAt(new
* LinuxPRNGSecureRandomProvider(), 1) for Android <= SDK 17
*/
PRNGFixes.apply();
Log.d(Constants.TAG, "Bouncy Castle set and PRNG Fixes applied!");
/*
if (Constants.DEBUG) {
Provider[] providers = Security.getProviders();
Log.d(Constants.TAG, "Installed Security Providers:");
for (Provider p : providers) {
Log.d(Constants.TAG, "provider class: " + p.getClass().getName());
}
}
*/
// Create APG directory on sdcard if not existing
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
if (!Constants.Path.APP_DIR.exists() && !Constants.Path.APP_DIR.mkdirs()) {
// ignore this for now, it's not crucial
// that the directory doesn't exist at this point
}
}
brandGlowEffect(getApplicationContext(),
getApplicationContext().getResources().getColor(R.color.emphasis));
setupAccountAsNeeded(this);
// Update keyserver list as needed
Preferences.getPreferences(this).updatePreferences();
TlsHelper.addStaticCA("pool.sks-keyservers.net", getAssets(), "sks-keyservers.netCA.cer");
TemporaryStorageProvider.cleanUp(this);
checkConsolidateRecovery();
}
/**
* Restart consolidate process if it has been interruped before
*/
public void checkConsolidateRecovery() {
if (Preferences.getPreferences(this).getCachedConsolidate()) {
// do something which calls ProviderHelper.consolidateDatabaseStep2 with a progressable
Intent consolidateIntent = new Intent(this, ConsolidateDialogActivity.class);
consolidateIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(consolidateIntent);
}
}
/**
* Add OpenKeychain account to Android to link contacts with keys
*
* @param context
*/
public static void setupAccountAsNeeded(Context context) {
// only enabled for Jelly Bean because we need some newer methods in our sync adapter
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
try {
AccountManager manager = AccountManager.get(context);
Account[] accounts = manager.getAccountsByType(Constants.ACCOUNT_TYPE);
if (accounts == null || accounts.length == 0) {
Account account = new Account(Constants.ACCOUNT_NAME, Constants.ACCOUNT_TYPE);
if (manager.addAccountExplicitly(account, null, null)) {
ContentResolver.setIsSyncable(account, ContactsContract.AUTHORITY, 1);
ContentResolver.setSyncAutomatically(account, ContactsContract.AUTHORITY, true);
} else {
Log.e(Constants.TAG, "Adding account failed!");
}
}
} catch (SecurityException e) {
Log.e(Constants.TAG, "SecurityException when adding the account", e);
Toast.makeText(context, R.string.reinstall_openkeychain, Toast.LENGTH_LONG).show();
}
}
}
static void brandGlowEffect(Context context, int brandColor) {
// terrible hack to brand the edge overscroll glow effect
// https://gist.github.com/menny/7878762#file-brandgloweffect_full-java
//glow
int glowDrawableId = context.getResources().getIdentifier("overscroll_glow", "drawable", "android");
Drawable androidGlow = context.getResources().getDrawable(glowDrawableId);
androidGlow.setColorFilter(brandColor, PorterDuff.Mode.SRC_IN);
//edge
int edgeDrawableId = context.getResources().getIdentifier("overscroll_edge", "drawable", "android");
Drawable androidEdge = context.getResources().getDrawable(edgeDrawableId);
androidEdge.setColorFilter(brandColor, PorterDuff.Mode.SRC_IN);
}
}
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