forked from google/google-authenticator-android
/
AuthenticatorApplication.java
62 lines (53 loc) · 2.3 KB
/
AuthenticatorApplication.java
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/*
* Copyright 2011 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.android.apps.authenticator;
import com.google.android.apps.authenticator.testability.DependencyInjector;
import android.app.Application;
/**
* Authenticator application which is one of the first things instantiated when our process starts.
* At the moment the only reason for the existence of this class is to initialize
* {@link DependencyInjector} with the application context so that the class can (later) instantiate
* the various objects it owns.
*
* Also restrict UNIX file permissions on application's persistent data directory to owner
* (this app's UID) only.
*
* @author klyubin@google.com (Alex Klyubin)
*/
public class AuthenticatorApplication extends Application {
@Override
public void onCreate() {
super.onCreate();
// Try to restrict data dir file permissions to owner (this app's UID) only. This mitigates the
// security vulnerability where SQLite database transaction journals are world-readable.
// NOTE: This also prevents all files in the data dir from being world-accessible, which is fine
// because this application does not need world-accessible files.
try {
FileUtilities.restrictAccessToOwnerOnly(
getApplicationContext().getApplicationInfo().dataDir);
} catch (Throwable e) {
// Ignore this exception and don't log anything to avoid attracting attention to this fix
}
// During test runs the injector may have been configured already. Thus we take care to avoid
// overwriting any existing configuration here.
DependencyInjector.configureForProductionIfNotConfigured(getApplicationContext());
}
@Override
public void onTerminate() {
DependencyInjector.close();
super.onTerminate();
}
}