| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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 android.content; |
| |
| import static org.junit.Assert.fail; |
| |
| import android.app.ActivityManager; |
| import android.app.activity.LocalProvider; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.UserInfo; |
| import android.database.ContentObserver; |
| import android.net.Uri; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.LargeTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| @LargeTest |
| @RunWith(AndroidJUnit4.class) |
| abstract class AbstractCrossUserContentResolverTest { |
| private static final int TIMEOUT_SERVICE_CONNECTION_SEC = 4; |
| private static final int TIMEOUT_CONTENT_CHANGE_SEC = 4; |
| private static final int TIMEOUT_USER_UNLOCK_SEC = 4; |
| |
| private Context mContext; |
| protected UserManager mUm; |
| private int mCrossUserId = -1; |
| private CrossUserContentServiceConnection mServiceConnection; |
| |
| @Before |
| public void setUp() throws Exception { |
| mContext = InstrumentationRegistry.getContext(); |
| mUm = UserManager.get(mContext); |
| final UserInfo userInfo = createUser(); |
| mCrossUserId = userInfo.id; |
| final PackageManager pm = mContext.getPackageManager(); |
| pm.installExistingPackageAsUser(mContext.getPackageName(), mCrossUserId); |
| unlockUser(); |
| |
| final CountDownLatch connectionLatch = new CountDownLatch(1); |
| mServiceConnection = new CrossUserContentServiceConnection(connectionLatch); |
| mContext.bindServiceAsUser( |
| new Intent(mContext, CrossUserContentService.class), |
| mServiceConnection, |
| Context.BIND_AUTO_CREATE, |
| UserHandle.of(mCrossUserId)); |
| if (!connectionLatch.await(TIMEOUT_SERVICE_CONNECTION_SEC, TimeUnit.SECONDS)) { |
| fail("Timed out waiting for service connection to establish"); |
| } |
| } |
| |
| protected abstract UserInfo createUser() throws RemoteException ; |
| |
| private void unlockUser() throws Exception { |
| final CountDownLatch latch = new CountDownLatch(1); |
| final BroadcastReceiver receiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL) |
| == mCrossUserId) { |
| latch.countDown(); |
| } |
| } |
| }; |
| mContext.registerReceiverAsUser(receiver, UserHandle.of(mCrossUserId), |
| new IntentFilter(Intent.ACTION_USER_UNLOCKED), null, null); |
| ActivityManager.getService().startUserInBackground(mCrossUserId); |
| |
| try { |
| if (!latch.await(TIMEOUT_USER_UNLOCK_SEC, TimeUnit.SECONDS)) { |
| fail("Timed out waiting for the u" + mCrossUserId + " to unlock"); |
| } |
| } finally { |
| mContext.unregisterReceiver(receiver); |
| } |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| if (mCrossUserId != -1) { |
| mUm.removeUser(mCrossUserId); |
| } |
| if (mServiceConnection != null) { |
| mContext.unbindService(mServiceConnection); |
| } |
| } |
| |
| /** |
| * Register an observer for an URI in another user and verify that it receives |
| * onChange callback when data at the URI changes. |
| */ |
| @Test |
| public void testRegisterContentObserver() throws Exception { |
| Context crossUserContext = null; |
| String packageName = null; |
| try { |
| packageName = InstrumentationRegistry.getContext().getPackageName(); |
| crossUserContext = |
| InstrumentationRegistry.getContext().createPackageContextAsUser( |
| packageName, 0 /* flags */, UserHandle.of(mCrossUserId)); |
| } catch (NameNotFoundException e) { |
| fail("Couldn't find package " + packageName + " in u" + mCrossUserId); |
| } |
| |
| final CountDownLatch updateLatch = new CountDownLatch(1); |
| final Uri uriToUpdate = LocalProvider.getTableDataUriForRow(2); |
| final TestContentObserver observer = new TestContentObserver(updateLatch, |
| uriToUpdate, mCrossUserId); |
| crossUserContext.getContentResolver().registerContentObserver( |
| LocalProvider.TABLE_DATA_URI, true, observer, mCrossUserId); |
| mServiceConnection.getService().updateContent(uriToUpdate, "New Text", 42); |
| if (!updateLatch.await(TIMEOUT_CONTENT_CHANGE_SEC, TimeUnit.SECONDS)) { |
| fail("Timed out waiting for the content change callback"); |
| } |
| } |
| |
| /** |
| * Register an observer for an URI in the current user and verify that another user can |
| * notify changes for this URI. |
| */ |
| @Test |
| public void testNotifyChange() throws Exception { |
| final CountDownLatch notifyLatch = new CountDownLatch(1); |
| final Uri notifyUri = LocalProvider.TABLE_DATA_URI; |
| final TestContentObserver observer = new TestContentObserver(notifyLatch, |
| notifyUri, UserHandle.myUserId()); |
| mContext.getContentResolver().registerContentObserver(notifyUri, true, observer); |
| mServiceConnection.getService().notifyForUriAsUser(notifyUri, UserHandle.myUserId()); |
| if (!notifyLatch.await(TIMEOUT_CONTENT_CHANGE_SEC, TimeUnit.SECONDS)) { |
| fail("Timed out waiting for the notify callback"); |
| } |
| } |
| |
| private static final class CrossUserContentServiceConnection implements ServiceConnection { |
| private ICrossUserContentService mService; |
| private final CountDownLatch mLatch; |
| |
| public CrossUserContentServiceConnection(CountDownLatch latch) { |
| mLatch = latch; |
| } |
| |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| mService = ICrossUserContentService.Stub.asInterface(service); |
| mLatch.countDown(); |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| } |
| |
| public ICrossUserContentService getService() { |
| return mService; |
| } |
| } |
| |
| private static final class TestContentObserver extends ContentObserver { |
| private final CountDownLatch mLatch; |
| private final Uri mExpectedUri; |
| private final int mExpectedUserId; |
| |
| public TestContentObserver(CountDownLatch latch, Uri exptectedUri, int expectedUserId) { |
| super(null); |
| mLatch = latch; |
| mExpectedUri = exptectedUri; |
| mExpectedUserId = expectedUserId; |
| } |
| |
| @Override |
| public void onChange(boolean selfChange, Uri uri, int userId) { |
| if (mExpectedUri.equals(uri) && mExpectedUserId == userId) { |
| mLatch.countDown(); |
| } |
| } |
| } |
| } |