| /* |
| ** |
| ** Copyright 2007, 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 com.android.packageinstaller; |
| |
| import static android.app.AppOpsManager.MODE_ALLOWED; |
| |
| import static com.android.packageinstaller.PackageUtil.getMaxTargetSdkVersionForUid; |
| |
| import android.Manifest; |
| import android.annotation.NonNull; |
| import android.annotation.StringRes; |
| import android.app.Activity; |
| import android.app.ActivityManager; |
| import android.app.ActivityThread; |
| import android.app.AppGlobals; |
| import android.app.AppOpsManager; |
| import android.app.DialogFragment; |
| import android.app.Fragment; |
| import android.app.FragmentTransaction; |
| import android.app.Notification; |
| import android.app.NotificationChannel; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.IPackageDeleteObserver2; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageInstaller; |
| import android.content.pm.PackageManager; |
| import android.content.pm.VersionedPackage; |
| import android.content.res.Configuration; |
| import android.net.Uri; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.util.Log; |
| |
| import com.android.packageinstaller.handheld.ErrorDialogFragment; |
| import com.android.packageinstaller.handheld.UninstallAlertDialogFragment; |
| import com.android.packageinstaller.television.ErrorFragment; |
| import com.android.packageinstaller.television.UninstallAlertFragment; |
| import com.android.packageinstaller.television.UninstallAppProgress; |
| |
| import java.util.List; |
| |
| /* |
| * This activity presents UI to uninstall an application. Usually launched with intent |
| * Intent.ACTION_UNINSTALL_PKG_COMMAND and attribute |
| * com.android.packageinstaller.PackageName set to the application package name |
| */ |
| public class UninstallerActivity extends Activity { |
| private static final String TAG = "UninstallerActivity"; |
| |
| private static final String UNINSTALLING_CHANNEL = "uninstalling"; |
| |
| public static class DialogInfo { |
| public ApplicationInfo appInfo; |
| public ActivityInfo activityInfo; |
| public boolean allUsers; |
| public UserHandle user; |
| public IBinder callback; |
| } |
| |
| private String mPackageName; |
| private DialogInfo mDialogInfo; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| // Never restore any state, esp. never create any fragments. The data in the fragment might |
| // be stale, if e.g. the app was uninstalled while the activity was destroyed. |
| super.onCreate(null); |
| |
| try { |
| int callingUid = ActivityManager.getService().getLaunchedFromUid(getActivityToken()); |
| |
| String callingPackage = getPackageNameForUid(callingUid); |
| if (callingPackage == null) { |
| Log.e(TAG, "Package not found for originating uid " + callingUid); |
| setResult(Activity.RESULT_FIRST_USER); |
| finish(); |
| return; |
| } else { |
| AppOpsManager appOpsManager = (AppOpsManager) getSystemService( |
| Context.APP_OPS_SERVICE); |
| if (appOpsManager.noteOpNoThrow( |
| AppOpsManager.OPSTR_REQUEST_DELETE_PACKAGES, callingUid, callingPackage) |
| != MODE_ALLOWED) { |
| Log.e(TAG, "Install from uid " + callingUid + " disallowed by AppOps"); |
| setResult(Activity.RESULT_FIRST_USER); |
| finish(); |
| return; |
| } |
| } |
| |
| if (getMaxTargetSdkVersionForUid(this, callingUid) |
| >= Build.VERSION_CODES.P && AppGlobals.getPackageManager().checkUidPermission( |
| Manifest.permission.REQUEST_DELETE_PACKAGES, callingUid) |
| != PackageManager.PERMISSION_GRANTED |
| && AppGlobals.getPackageManager().checkUidPermission( |
| Manifest.permission.DELETE_PACKAGES, callingUid) |
| != PackageManager.PERMISSION_GRANTED) { |
| Log.e(TAG, "Uid " + callingUid + " does not have " |
| + Manifest.permission.REQUEST_DELETE_PACKAGES + " or " |
| + Manifest.permission.DELETE_PACKAGES); |
| |
| setResult(Activity.RESULT_FIRST_USER); |
| finish(); |
| return; |
| } |
| } catch (RemoteException ex) { |
| // Cannot reach Package/ActivityManager. Aborting uninstall. |
| Log.e(TAG, "Could not determine the launching uid."); |
| |
| setResult(Activity.RESULT_FIRST_USER); |
| finish(); |
| return; |
| } |
| |
| // Get intent information. |
| // We expect an intent with URI of the form package://<packageName>#<className> |
| // className is optional; if specified, it is the activity the user chose to uninstall |
| final Intent intent = getIntent(); |
| final Uri packageUri = intent.getData(); |
| if (packageUri == null) { |
| Log.e(TAG, "No package URI in intent"); |
| showAppNotFound(); |
| return; |
| } |
| mPackageName = packageUri.getEncodedSchemeSpecificPart(); |
| if (mPackageName == null) { |
| Log.e(TAG, "Invalid package name in URI: " + packageUri); |
| showAppNotFound(); |
| return; |
| } |
| |
| final IPackageManager pm = IPackageManager.Stub.asInterface( |
| ServiceManager.getService("package")); |
| |
| mDialogInfo = new DialogInfo(); |
| |
| mDialogInfo.allUsers = intent.getBooleanExtra(Intent.EXTRA_UNINSTALL_ALL_USERS, false); |
| if (mDialogInfo.allUsers && !UserManager.get(this).isAdminUser()) { |
| Log.e(TAG, "Only admin user can request uninstall for all users"); |
| showUserIsNotAllowed(); |
| return; |
| } |
| mDialogInfo.user = intent.getParcelableExtra(Intent.EXTRA_USER); |
| if (mDialogInfo.user == null) { |
| mDialogInfo.user = android.os.Process.myUserHandle(); |
| } else { |
| UserManager userManager = (UserManager) getSystemService(Context.USER_SERVICE); |
| List<UserHandle> profiles = userManager.getUserProfiles(); |
| if (!profiles.contains(mDialogInfo.user)) { |
| Log.e(TAG, "User " + android.os.Process.myUserHandle() + " can't request uninstall " |
| + "for user " + mDialogInfo.user); |
| showUserIsNotAllowed(); |
| return; |
| } |
| } |
| |
| mDialogInfo.callback = intent.getIBinderExtra(PackageInstaller.EXTRA_CALLBACK); |
| |
| try { |
| mDialogInfo.appInfo = pm.getApplicationInfo(mPackageName, |
| PackageManager.MATCH_ANY_USER, mDialogInfo.user.getIdentifier()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Unable to get packageName. Package manager is dead?"); |
| } |
| |
| if (mDialogInfo.appInfo == null) { |
| Log.e(TAG, "Invalid packageName: " + mPackageName); |
| showAppNotFound(); |
| return; |
| } |
| |
| // The class name may have been specified (e.g. when deleting an app from all apps) |
| final String className = packageUri.getFragment(); |
| if (className != null) { |
| try { |
| mDialogInfo.activityInfo = pm.getActivityInfo( |
| new ComponentName(mPackageName, className), 0, |
| mDialogInfo.user.getIdentifier()); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Unable to get className. Package manager is dead?"); |
| // Continue as the ActivityInfo isn't critical. |
| } |
| } |
| |
| showConfirmationDialog(); |
| } |
| |
| public DialogInfo getDialogInfo() { |
| return mDialogInfo; |
| } |
| |
| private void showConfirmationDialog() { |
| if (isTv()) { |
| showContentFragment(new UninstallAlertFragment(), 0, 0); |
| } else { |
| showDialogFragment(new UninstallAlertDialogFragment(), 0, 0); |
| } |
| } |
| |
| private void showAppNotFound() { |
| if (isTv()) { |
| showContentFragment(new ErrorFragment(), R.string.app_not_found_dlg_title, |
| R.string.app_not_found_dlg_text); |
| } else { |
| showDialogFragment(new ErrorDialogFragment(), R.string.app_not_found_dlg_title, |
| R.string.app_not_found_dlg_text); |
| } |
| } |
| |
| private void showUserIsNotAllowed() { |
| if (isTv()) { |
| showContentFragment(new ErrorFragment(), |
| R.string.user_is_not_allowed_dlg_title, R.string.user_is_not_allowed_dlg_text); |
| } else { |
| showDialogFragment(new ErrorDialogFragment(), 0, R.string.user_is_not_allowed_dlg_text); |
| } |
| } |
| |
| private void showGenericError() { |
| if (isTv()) { |
| showContentFragment(new ErrorFragment(), |
| R.string.generic_error_dlg_title, R.string.generic_error_dlg_text); |
| } else { |
| showDialogFragment(new ErrorDialogFragment(), 0, R.string.generic_error_dlg_text); |
| } |
| } |
| |
| private boolean isTv() { |
| return (getResources().getConfiguration().uiMode & Configuration.UI_MODE_TYPE_MASK) |
| == Configuration.UI_MODE_TYPE_TELEVISION; |
| } |
| |
| private void showContentFragment(@NonNull Fragment fragment, @StringRes int title, |
| @StringRes int text) { |
| Bundle args = new Bundle(); |
| args.putInt(ErrorFragment.TITLE, title); |
| args.putInt(ErrorFragment.TEXT, text); |
| fragment.setArguments(args); |
| |
| getFragmentManager().beginTransaction() |
| .replace(android.R.id.content, fragment) |
| .commit(); |
| } |
| |
| private void showDialogFragment(@NonNull DialogFragment fragment, |
| @StringRes int title, @StringRes int text) { |
| FragmentTransaction ft = getFragmentManager().beginTransaction(); |
| Fragment prev = getFragmentManager().findFragmentByTag("dialog"); |
| if (prev != null) { |
| ft.remove(prev); |
| } |
| |
| Bundle args = new Bundle(); |
| if (title != 0) { |
| args.putInt(ErrorDialogFragment.TITLE, title); |
| } |
| args.putInt(ErrorDialogFragment.TEXT, text); |
| |
| fragment.setArguments(args); |
| fragment.show(ft, "dialog"); |
| } |
| |
| public void startUninstallProgress(boolean keepData) { |
| boolean returnResult = getIntent().getBooleanExtra(Intent.EXTRA_RETURN_RESULT, false); |
| CharSequence label = mDialogInfo.appInfo.loadSafeLabel(getPackageManager()); |
| |
| if (isTv()) { |
| Intent newIntent = new Intent(Intent.ACTION_VIEW); |
| newIntent.putExtra(Intent.EXTRA_USER, mDialogInfo.user); |
| newIntent.putExtra(Intent.EXTRA_UNINSTALL_ALL_USERS, mDialogInfo.allUsers); |
| newIntent.putExtra(PackageInstaller.EXTRA_CALLBACK, mDialogInfo.callback); |
| newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO, mDialogInfo.appInfo); |
| |
| if (returnResult) { |
| newIntent.putExtra(Intent.EXTRA_RETURN_RESULT, true); |
| newIntent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT); |
| } |
| |
| newIntent.setClass(this, UninstallAppProgress.class); |
| startActivity(newIntent); |
| } else if (returnResult || mDialogInfo.callback != null || getCallingActivity() != null) { |
| Intent newIntent = new Intent(this, UninstallUninstalling.class); |
| |
| newIntent.putExtra(Intent.EXTRA_USER, mDialogInfo.user); |
| newIntent.putExtra(Intent.EXTRA_UNINSTALL_ALL_USERS, mDialogInfo.allUsers); |
| newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO, mDialogInfo.appInfo); |
| newIntent.putExtra(UninstallUninstalling.EXTRA_APP_LABEL, label); |
| newIntent.putExtra(UninstallUninstalling.EXTRA_KEEP_DATA, keepData); |
| newIntent.putExtra(PackageInstaller.EXTRA_CALLBACK, mDialogInfo.callback); |
| |
| if (returnResult) { |
| newIntent.putExtra(Intent.EXTRA_RETURN_RESULT, true); |
| } |
| |
| if (returnResult || getCallingActivity() != null) { |
| newIntent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT); |
| } |
| |
| startActivity(newIntent); |
| } else { |
| int uninstallId; |
| try { |
| uninstallId = UninstallEventReceiver.getNewId(this); |
| } catch (EventResultPersister.OutOfIdsException e) { |
| showGenericError(); |
| return; |
| } |
| |
| Intent broadcastIntent = new Intent(this, UninstallFinish.class); |
| |
| broadcastIntent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND); |
| broadcastIntent.putExtra(Intent.EXTRA_UNINSTALL_ALL_USERS, mDialogInfo.allUsers); |
| broadcastIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO, mDialogInfo.appInfo); |
| broadcastIntent.putExtra(UninstallFinish.EXTRA_APP_LABEL, label); |
| broadcastIntent.putExtra(UninstallFinish.EXTRA_UNINSTALL_ID, uninstallId); |
| |
| PendingIntent pendingIntent = PendingIntent.getBroadcast(this, uninstallId, |
| broadcastIntent, PendingIntent.FLAG_UPDATE_CURRENT); |
| |
| NotificationManager notificationManager = getSystemService(NotificationManager.class); |
| NotificationChannel uninstallingChannel = new NotificationChannel(UNINSTALLING_CHANNEL, |
| getString(R.string.uninstalling_notification_channel), |
| NotificationManager.IMPORTANCE_MIN); |
| notificationManager.createNotificationChannel(uninstallingChannel); |
| |
| Notification uninstallingNotification = |
| (new Notification.Builder(this, UNINSTALLING_CHANNEL)) |
| .setSmallIcon(R.drawable.ic_remove).setProgress(0, 1, true) |
| .setContentTitle(getString(R.string.uninstalling_app, label)).setOngoing(true) |
| .build(); |
| |
| notificationManager.notify(uninstallId, uninstallingNotification); |
| |
| try { |
| Log.i(TAG, "Uninstalling extras=" + broadcastIntent.getExtras()); |
| |
| int flags = mDialogInfo.allUsers ? PackageManager.DELETE_ALL_USERS : 0; |
| flags |= keepData ? PackageManager.DELETE_KEEP_DATA : 0; |
| |
| ActivityThread.getPackageManager().getPackageInstaller().uninstall( |
| new VersionedPackage(mDialogInfo.appInfo.packageName, |
| PackageManager.VERSION_CODE_HIGHEST), |
| getPackageName(), flags, pendingIntent.getIntentSender(), |
| mDialogInfo.user.getIdentifier()); |
| } catch (Exception e) { |
| notificationManager.cancel(uninstallId); |
| |
| Log.e(TAG, "Cannot start uninstall", e); |
| showGenericError(); |
| } |
| } |
| } |
| |
| public void dispatchAborted() { |
| if (mDialogInfo != null && mDialogInfo.callback != null) { |
| final IPackageDeleteObserver2 observer = IPackageDeleteObserver2.Stub.asInterface( |
| mDialogInfo.callback); |
| try { |
| observer.onPackageDeleted(mPackageName, |
| PackageManager.DELETE_FAILED_ABORTED, "Cancelled by user"); |
| } catch (RemoteException ignored) { |
| } |
| } |
| } |
| |
| private String getPackageNameForUid(int sourceUid) { |
| String[] packagesForUid = getPackageManager().getPackagesForUid(sourceUid); |
| if (packagesForUid == null) { |
| return null; |
| } |
| return packagesForUid[0]; |
| } |
| } |