| /* |
| * Copyright (C) 2018 Google Inc. |
| * |
| * 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.packageinstaller.uninstall.cts; |
| |
| import static android.app.AppOpsManager.MODE_ALLOWED; |
| import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK; |
| import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK; |
| import static android.graphics.PixelFormat.TRANSLUCENT; |
| import static android.view.ViewGroup.LayoutParams.MATCH_PARENT; |
| import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY; |
| |
| import static com.android.compatibility.common.util.SystemUtil.runShellCommand; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import android.app.PendingIntent; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageInstaller; |
| import android.content.pm.PackageManager; |
| import android.content.pm.VersionedPackage; |
| import android.net.Uri; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.RemoteException; |
| import android.platform.test.annotations.AppModeFull; |
| import android.platform.test.annotations.AsbSecurityTest; |
| import android.util.Log; |
| import android.view.Gravity; |
| import android.view.KeyEvent; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.WindowManager; |
| import android.view.WindowManager.LayoutParams; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.runner.AndroidJUnit4; |
| import androidx.test.uiautomator.By; |
| import androidx.test.uiautomator.SearchCondition; |
| import androidx.test.uiautomator.UiDevice; |
| import androidx.test.uiautomator.UiObject2; |
| import androidx.test.uiautomator.Until; |
| |
| import com.android.compatibility.common.util.AppOpsUtils; |
| import com.android.compatibility.common.util.SystemUtil; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| @RunWith(AndroidJUnit4.class) |
| @AppModeFull |
| public class UninstallTest { |
| private static final String LOG_TAG = UninstallTest.class.getSimpleName(); |
| |
| private static final String APK = |
| "/data/local/tmp/cts/uninstall/CtsEmptyTestApp.apk"; |
| private static final String TEST_APK_PACKAGE_NAME = "android.packageinstaller.emptytestapp.cts"; |
| private static final String RECEIVER_ACTION = |
| "android.packageinstaller.emptytestapp.cts.action"; |
| |
| private static final long TIMEOUT_MS = 30000; |
| private static final String APP_OP_STR = "REQUEST_DELETE_PACKAGES"; |
| |
| private Context mContext; |
| private UiDevice mUiDevice; |
| private CountDownLatch mLatch; |
| private UninstallStatusReceiver mReceiver; |
| |
| @Before |
| public void setup() throws Exception { |
| mContext = InstrumentationRegistry.getTargetContext(); |
| |
| // Unblock UI |
| mUiDevice = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation()); |
| if (!mUiDevice.isScreenOn()) { |
| mUiDevice.wakeUp(); |
| } |
| mUiDevice.executeShellCommand("wm dismiss-keyguard"); |
| AppOpsUtils.reset(mContext.getPackageName()); |
| |
| // Register uninstall event receiver |
| mLatch = new CountDownLatch(1); |
| mReceiver = new UninstallStatusReceiver(mLatch, mContext); |
| mContext.registerReceiver(mReceiver, new IntentFilter(RECEIVER_ACTION), |
| Context.RECEIVER_EXPORTED); |
| |
| // Make sure CtsEmptyTestApp is installed before each test |
| runShellCommand("pm install " + APK); |
| } |
| |
| @After |
| public void tearDown() { |
| mContext.unregisterReceiver(mReceiver); |
| } |
| |
| private void dumpWindowHierarchy() throws InterruptedException, IOException { |
| ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); |
| mUiDevice.dumpWindowHierarchy(outputStream); |
| String windowHierarchy = outputStream.toString(StandardCharsets.UTF_8.name()); |
| |
| Log.w(LOG_TAG, "Window hierarchy:"); |
| for (String line : windowHierarchy.split("\n")) { |
| Thread.sleep(10); |
| Log.w(LOG_TAG, line); |
| } |
| } |
| |
| private void startUninstall() throws RemoteException { |
| Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); |
| intent.setData(Uri.parse("package:" + TEST_APK_PACKAGE_NAME)); |
| intent.addFlags(FLAG_ACTIVITY_CLEAR_TASK | FLAG_ACTIVITY_NEW_TASK); |
| Log.d(LOG_TAG, "sending uninstall intent (" + intent + ") on user " + mContext.getUser()); |
| |
| mUiDevice.waitForIdle(); |
| // wake up the screen |
| mUiDevice.wakeUp(); |
| // unlock the keyguard or the expected window is by systemui or other alert window |
| mUiDevice.pressMenu(); |
| // dismiss the system alert window for requesting permissions |
| mUiDevice.pressBack(); |
| // return to home/launcher to prevent from being obscured by systemui or other alert window |
| mUiDevice.pressHome(); |
| // Wait for device idle |
| mUiDevice.waitForIdle(); |
| |
| mContext.startActivity(intent); |
| |
| // wait for device idle |
| mUiDevice.waitForIdle(); |
| } |
| |
| @Test |
| @AsbSecurityTest(cveBugId = 171221302) |
| public void overlaysAreSuppressedWhenConfirmingUninstall() throws Exception { |
| AppOpsUtils.setOpMode(mContext.getPackageName(), "SYSTEM_ALERT_WINDOW", MODE_ALLOWED); |
| |
| WindowManager windowManager = mContext.getSystemService(WindowManager.class); |
| LayoutParams layoutParams = new LayoutParams(MATCH_PARENT, MATCH_PARENT, |
| TYPE_APPLICATION_OVERLAY, 0, TRANSLUCENT); |
| layoutParams.gravity = Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL; |
| |
| View[] overlay = new View[1]; |
| new Handler(Looper.getMainLooper()).post(() -> { |
| overlay[0] = LayoutInflater.from(mContext).inflate(R.layout.overlay_activity, |
| null); |
| windowManager.addView(overlay[0], layoutParams); |
| }); |
| |
| try { |
| mUiDevice.wait(Until.findObject(By.res(mContext.getPackageName(), |
| "overlay_description")), TIMEOUT_MS); |
| |
| startUninstall(); |
| |
| long start = System.currentTimeMillis(); |
| while (System.currentTimeMillis() - start < TIMEOUT_MS) { |
| try { |
| assertNull(mUiDevice.findObject(By.res(mContext.getPackageName(), |
| "overlay_description"))); |
| return; |
| } catch (Throwable e) { |
| Thread.sleep(100); |
| } |
| } |
| |
| fail(); |
| } finally { |
| windowManager.removeView(overlay[0]); |
| } |
| } |
| |
| private UiObject2 waitFor(SearchCondition<UiObject2> condition) |
| throws IOException, InterruptedException { |
| final long OneSecond = TimeUnit.SECONDS.toMillis(1); |
| final long start = System.currentTimeMillis(); |
| while (System.currentTimeMillis() - start < TIMEOUT_MS) { |
| try { |
| var result = mUiDevice.wait(condition, OneSecond); |
| if (result == null) { |
| continue; |
| } |
| return result; |
| } catch (Throwable e) { |
| Thread.sleep(OneSecond); |
| } |
| } |
| dumpWindowHierarchy(); |
| fail("Unable to wait for the uninstaller activity"); |
| return null; |
| } |
| |
| @Test |
| public void testUninstall() throws Exception { |
| assertTrue("Package is not installed", isInstalled()); |
| |
| startUninstall(); |
| |
| clickInstallerButton(); |
| |
| for (int i = 0; i < 30; i++) { |
| // We can't detect the confirmation Toast with UiAutomator, so we'll poll |
| Thread.sleep(500); |
| if (!isInstalled()) { |
| break; |
| } |
| } |
| assertFalse("Package wasn't uninstalled.", isInstalled()); |
| assertTrue(AppOpsUtils.allowedOperationLogged(mContext.getPackageName(), APP_OP_STR)); |
| } |
| |
| @Test |
| public void testUninstallApiConfirmationRequired() throws Exception { |
| testUninstallApi(true); |
| } |
| |
| @Test |
| public void testUninstallApiConfirmationNotRequired() throws Exception { |
| testUninstallApi(false); |
| } |
| |
| public void testUninstallApi(boolean needUserConfirmation) throws Exception { |
| assertTrue("Package is not installed", isInstalled()); |
| |
| PackageInstaller pi = mContext.getPackageManager().getPackageInstaller(); |
| VersionedPackage pkg = new VersionedPackage(TEST_APK_PACKAGE_NAME, |
| PackageManager.VERSION_CODE_HIGHEST); |
| |
| Intent broadcastIntent = new Intent(RECEIVER_ACTION).setPackage(mContext.getPackageName()); |
| PendingIntent pendingIntent = |
| PendingIntent.getBroadcast(mContext, 1, broadcastIntent, |
| PendingIntent.FLAG_MUTABLE | PendingIntent.FLAG_UPDATE_CURRENT); |
| |
| if (needUserConfirmation) { |
| pi.uninstall(pkg, 0, pendingIntent.getIntentSender()); |
| clickInstallerButton(); |
| } else { |
| SystemUtil.runWithShellPermissionIdentity(() -> { |
| pi.uninstall(pkg, 0, pendingIntent.getIntentSender()); |
| }); |
| } |
| |
| assertTrue("Package is not uninstalled", mLatch.await(10, TimeUnit.SECONDS)); |
| } |
| |
| private boolean isInstalled() { |
| Log.d(LOG_TAG, "Testing if package " + TEST_APK_PACKAGE_NAME + " is installed for user " |
| + mContext.getUser()); |
| try { |
| mContext.getPackageManager().getPackageInfo(TEST_APK_PACKAGE_NAME, /* flags= */ 0); |
| return true; |
| } catch (PackageManager.NameNotFoundException e) { |
| Log.v(LOG_TAG, "Package " + TEST_APK_PACKAGE_NAME + " not installed for user " |
| + mContext.getUser() + ": " + e); |
| return false; |
| } |
| } |
| |
| private void clickInstallerButton() throws Exception { |
| assertNotNull("Uninstall prompt not shown", |
| waitFor(Until.findObject(By.textContains("Do you want to uninstall this app?")))); |
| // The app's name should be shown to the user. |
| assertNotNull(mUiDevice.findObject(By.text("Empty Test App"))); |
| |
| if (mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_LEANBACK)) { |
| UiObject2 clickableView = mUiDevice.findObject(By.focusable(true) |
| .hasDescendant(By.text("OK"))); |
| if (!clickableView.isFocused()) { |
| mUiDevice.pressKeyCode(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| for (int i = 0; i < 100; i++) { |
| if (clickableView.isFocused()) { |
| break; |
| } |
| Thread.sleep(100); |
| } |
| mUiDevice.pressKeyCode(KeyEvent.KEYCODE_DPAD_CENTER); |
| } else { |
| UiObject2 clickableView = mUiDevice.wait(Until.findObject(By.text("OK")), 1000); |
| if (clickableView == null) { |
| dumpWindowHierarchy(); |
| fail("OK button not shown"); |
| } |
| clickableView.click(); |
| } |
| } |
| |
| private static class UninstallStatusReceiver extends BroadcastReceiver { |
| |
| private final CountDownLatch mLatch; |
| private final Context mContext; |
| |
| private UninstallStatusReceiver(CountDownLatch latch, Context context) { |
| mLatch = latch; |
| mContext = context; |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| int statusCode = intent.getIntExtra(PackageInstaller.EXTRA_STATUS, -100); |
| switch (statusCode) { |
| case PackageInstaller.STATUS_SUCCESS -> mLatch.countDown(); |
| case PackageInstaller.STATUS_PENDING_USER_ACTION -> { |
| Intent extraIntent = intent.getParcelableExtra(Intent.EXTRA_INTENT); |
| if (extraIntent != null) { |
| mContext.startActivity(extraIntent.addFlags(FLAG_ACTIVITY_NEW_TASK)); |
| } |
| } |
| default -> Log.e(UninstallTest.LOG_TAG, "Unexpected status: " + statusCode); |
| } |
| } |
| } |
| } |