147 lines
5.1 KiB
Java
147 lines
5.1 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;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.security.Security;
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import java.util.HashMap;
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import android.annotation.SuppressLint;
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import android.app.Application;
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import android.graphics.Bitmap;
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import android.os.Build;
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import org.bouncycastle.jce.provider.BouncyCastleProvider;
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import org.sufficientlysecure.keychain.keysync.KeyserverSyncManager;
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import org.sufficientlysecure.keychain.provider.TemporaryFileProvider;
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import org.sufficientlysecure.keychain.util.PRNGFixes;
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import org.sufficientlysecure.keychain.util.Preferences;
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import timber.log.Timber;
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import timber.log.Timber.DebugTree;
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public class KeychainApplication extends Application {
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/**
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* Called when the application is starting, before any activity, service, or receiver objects
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* (excluding content providers) have been created.
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*/
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@Override
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public void onCreate() {
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super.onCreate();
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/*
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* Sets our own Bouncy Castle library as preferred security provider
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*
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* because Android's default provider config has BC at position 3,
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* we need to remove it and insert BC again at position 1 (above OpenSSLProvider!)
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*
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* (insertProviderAt() position starts from 1)
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*/
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Security.removeProvider(BouncyCastleProvider.PROVIDER_NAME);
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Security.insertProviderAt(new BouncyCastleProvider(), 1);
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/*
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* apply RNG fixes
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*
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* among other things, executes Security.insertProviderAt(new
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* LinuxPRNGSecureRandomProvider(), 1) for Android <= SDK 17
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*/
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PRNGFixes.apply();
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Timber.d("Bouncy Castle set and PRNG Fixes applied!");
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updateLoggingStatus();
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/*
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if (Constants.DEBUG) {
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Provider[] providers = Security.getProviders();
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Log.d(Constants.TAG, "Installed Security Providers:");
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for (Provider p : providers) {
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Log.d(Constants.TAG, "provider class: " + p.getClass().getName());
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}
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}
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*/
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Preferences preferences = Preferences.getPreferences(this);
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if (preferences.isAppExecutedFirstTime()) {
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preferences.setAppExecutedFirstTime(false);
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preferences.setPrefVersionToCurrentVersion();
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}
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// Upgrade preferences as needed
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preferences.upgradePreferences();
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// only set up the rest on our main process
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if (!BuildConfig.APPLICATION_ID.equals(getProcessName())) {
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return;
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}
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KeyserverSyncManager.updateKeyserverSyncScheduleAsync(this, false);
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TemporaryFileProvider.scheduleCleanupImmediately(getApplicationContext());
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}
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public static HashMap<String,Bitmap> qrCodeCache = new HashMap<>();
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@Override
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public void onTrimMemory(int level) {
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super.onTrimMemory(level);
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if (level >= TRIM_MEMORY_UI_HIDDEN) {
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qrCodeCache.clear();
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}
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}
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private void updateLoggingStatus() {
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Timber.uprootAll();
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boolean enableDebugLogging = Constants.DEBUG;
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if (enableDebugLogging) {
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Timber.plant(new DebugTree());
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}
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}
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public static String getProcessName() {
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if (Build.VERSION.SDK_INT >= 28)
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return Application.getProcessName();
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// Using the same technique as Application.getProcessName() for older devices
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// Using reflection since ActivityThread is an internal API
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try {
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@SuppressLint("PrivateApi")
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Class<?> activityThread = Class.forName("android.app.ActivityThread");
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// Before API 18, the method was incorrectly named "currentPackageName", but it still returned the process name
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// See https://github.com/aosp-mirror/platform_frameworks_base/commit/b57a50bd16ce25db441da5c1b63d48721bb90687
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String methodName = Build.VERSION.SDK_INT >= 18 ? "currentProcessName" : "currentPackageName";
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Method getProcessName = activityThread.getDeclaredMethod(methodName);
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return (String) getProcessName.invoke(null);
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} catch (ClassNotFoundException e) {
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throw new RuntimeException(e);
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} catch (NoSuchMethodException e) {
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throw new RuntimeException(e);
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} catch (IllegalAccessException e) {
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throw new RuntimeException(e);
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} catch (InvocationTargetException e) {
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throw new RuntimeException(e);
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}
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}
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}
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