| /* |
| * Copyright (C) 2016 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.settings.applications; |
| |
| import android.Manifest; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ComponentInfo; |
| import android.content.pm.IPackageManager; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.content.pm.UserInfo; |
| import android.location.LocationManager; |
| import android.os.RemoteException; |
| import android.os.UserManager; |
| import android.service.euicc.EuiccService; |
| import android.telecom.DefaultDialerManager; |
| import android.text.TextUtils; |
| import android.util.ArraySet; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.internal.telephony.SmsApplication; |
| import com.android.settings.R; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class ApplicationFeatureProviderImpl implements ApplicationFeatureProvider { |
| private static final String TAG = "AppFeatureProviderImpl"; |
| |
| protected final Context mContext; |
| private final PackageManager mPm; |
| private final IPackageManager mPms; |
| private final DevicePolicyManager mDpm; |
| private final UserManager mUm; |
| /** Flags to use when querying PackageManager for Euicc component implementations. */ |
| private static final int EUICC_QUERY_FLAGS = |
| PackageManager.MATCH_SYSTEM_ONLY | PackageManager.MATCH_DEBUG_TRIAGED_MISSING |
| | PackageManager.GET_RESOLVED_FILTER; |
| |
| public ApplicationFeatureProviderImpl(Context context, PackageManager pm, |
| IPackageManager pms, DevicePolicyManager dpm) { |
| mContext = context.getApplicationContext(); |
| mPm = pm; |
| mPms = pms; |
| mDpm = dpm; |
| mUm = UserManager.get(mContext); |
| } |
| |
| @Override |
| public void calculateNumberOfPolicyInstalledApps(boolean async, NumberOfAppsCallback callback) { |
| final CurrentUserAndManagedProfilePolicyInstalledAppCounter counter = |
| new CurrentUserAndManagedProfilePolicyInstalledAppCounter(mContext, mPm, callback); |
| if (async) { |
| counter.execute(); |
| } else { |
| counter.executeInForeground(); |
| } |
| } |
| |
| @Override |
| public void listPolicyInstalledApps(ListOfAppsCallback callback) { |
| final CurrentUserPolicyInstalledAppLister lister = |
| new CurrentUserPolicyInstalledAppLister(mPm, mUm, callback); |
| lister.execute(); |
| } |
| |
| @Override |
| public void calculateNumberOfAppsWithAdminGrantedPermissions(String[] permissions, |
| boolean async, NumberOfAppsCallback callback) { |
| final CurrentUserAndManagedProfileAppWithAdminGrantedPermissionsCounter counter = |
| new CurrentUserAndManagedProfileAppWithAdminGrantedPermissionsCounter(mContext, |
| permissions, mPm, mPms, mDpm, callback); |
| if (async) { |
| counter.execute(); |
| } else { |
| counter.executeInForeground(); |
| } |
| } |
| |
| @Override |
| public void listAppsWithAdminGrantedPermissions(String[] permissions, |
| ListOfAppsCallback callback) { |
| final CurrentUserAppWithAdminGrantedPermissionsLister lister = |
| new CurrentUserAppWithAdminGrantedPermissionsLister(permissions, mPm, mPms, mDpm, |
| mUm, callback); |
| lister.execute(); |
| } |
| |
| @Override |
| public List<UserAppInfo> findPersistentPreferredActivities(int userId, Intent[] intents) { |
| final List<UserAppInfo> preferredActivities = new ArrayList<>(); |
| final Set<UserAppInfo> uniqueApps = new ArraySet<>(); |
| final UserInfo userInfo = mUm.getUserInfo(userId); |
| for (final Intent intent : intents) { |
| try { |
| final ResolveInfo resolveInfo = |
| mPms.findPersistentPreferredActivity(intent, userId); |
| if (resolveInfo != null) { |
| ComponentInfo componentInfo = null; |
| if (resolveInfo.activityInfo != null) { |
| componentInfo = resolveInfo.activityInfo; |
| } else if (resolveInfo.serviceInfo != null) { |
| componentInfo = resolveInfo.serviceInfo; |
| } else if (resolveInfo.providerInfo != null) { |
| componentInfo = resolveInfo.providerInfo; |
| } |
| if (componentInfo != null) { |
| UserAppInfo info = new UserAppInfo(userInfo, componentInfo.applicationInfo); |
| if (uniqueApps.add(info)) { |
| preferredActivities.add(info); |
| } |
| } |
| } |
| } catch (RemoteException exception) { |
| } |
| } |
| return preferredActivities; |
| } |
| |
| @Override |
| public Set<String> getKeepEnabledPackages() { |
| // Find current default phone/sms app. We should keep them enabled. |
| final Set<String> keepEnabledPackages = new ArraySet<>(); |
| final String defaultDialer = DefaultDialerManager.getDefaultDialerApplication(mContext); |
| if (!TextUtils.isEmpty(defaultDialer)) { |
| keepEnabledPackages.add(defaultDialer); |
| } |
| final ComponentName defaultSms = SmsApplication.getDefaultSmsApplication( |
| mContext, true /* updateIfNeeded */); |
| if (defaultSms != null) { |
| keepEnabledPackages.add(defaultSms.getPackageName()); |
| } |
| |
| // Keep Euicc Service enabled. |
| final ComponentInfo euicc = findEuiccService(mPm); |
| if (euicc != null) { |
| keepEnabledPackages.add(euicc.packageName); |
| } |
| |
| keepEnabledPackages.addAll(getEnabledPackageAllowlist()); |
| |
| final LocationManager locationManager = |
| (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE); |
| final String locationHistoryPackage = locationManager.getExtraLocationControllerPackage(); |
| if (locationHistoryPackage != null) { |
| keepEnabledPackages.add(locationHistoryPackage); |
| } |
| return keepEnabledPackages; |
| } |
| |
| private Set<String> getEnabledPackageAllowlist() { |
| final Set<String> keepEnabledPackages = new ArraySet<>(); |
| |
| // Keep Settings intelligence enabled, otherwise search feature will be disabled. |
| keepEnabledPackages.add( |
| mContext.getString(R.string.config_settingsintelligence_package_name)); |
| |
| // Keep Package Installer enabled. |
| keepEnabledPackages.add(mContext.getString(R.string.config_package_installer_package_name)); |
| |
| if (mPm.getWellbeingPackageName() != null) { |
| keepEnabledPackages.add(mPm.getWellbeingPackageName()); |
| } |
| return keepEnabledPackages; |
| } |
| |
| private static class CurrentUserAndManagedProfilePolicyInstalledAppCounter |
| extends InstalledAppCounter { |
| private NumberOfAppsCallback mCallback; |
| |
| CurrentUserAndManagedProfilePolicyInstalledAppCounter(Context context, |
| PackageManager packageManager, NumberOfAppsCallback callback) { |
| super(context, PackageManager.INSTALL_REASON_POLICY, packageManager); |
| mCallback = callback; |
| } |
| |
| @Override |
| protected void onCountComplete(int num) { |
| mCallback.onNumberOfAppsResult(num); |
| } |
| } |
| |
| private static class CurrentUserAndManagedProfileAppWithAdminGrantedPermissionsCounter |
| extends AppWithAdminGrantedPermissionsCounter { |
| private NumberOfAppsCallback mCallback; |
| |
| CurrentUserAndManagedProfileAppWithAdminGrantedPermissionsCounter(Context context, |
| String[] permissions, PackageManager packageManager, |
| IPackageManager packageManagerService, |
| DevicePolicyManager devicePolicyManager, NumberOfAppsCallback callback) { |
| super(context, permissions, packageManager, packageManagerService, devicePolicyManager); |
| mCallback = callback; |
| } |
| |
| @Override |
| protected void onCountComplete(int num) { |
| mCallback.onNumberOfAppsResult(num); |
| } |
| } |
| |
| private static class CurrentUserPolicyInstalledAppLister extends InstalledAppLister { |
| private ListOfAppsCallback mCallback; |
| |
| CurrentUserPolicyInstalledAppLister(PackageManager packageManager, |
| UserManager userManager, ListOfAppsCallback callback) { |
| super(packageManager, userManager); |
| mCallback = callback; |
| } |
| |
| @Override |
| protected void onAppListBuilt(List<UserAppInfo> list) { |
| mCallback.onListOfAppsResult(list); |
| } |
| } |
| |
| private static class CurrentUserAppWithAdminGrantedPermissionsLister extends |
| AppWithAdminGrantedPermissionsLister { |
| private ListOfAppsCallback mCallback; |
| |
| CurrentUserAppWithAdminGrantedPermissionsLister(String[] permissions, |
| PackageManager packageManager, IPackageManager packageManagerService, |
| DevicePolicyManager devicePolicyManager, UserManager userManager, |
| ListOfAppsCallback callback) { |
| super(permissions, packageManager, packageManagerService, devicePolicyManager, |
| userManager); |
| mCallback = callback; |
| } |
| |
| @Override |
| protected void onAppListBuilt(List<UserAppInfo> list) { |
| mCallback.onListOfAppsResult(list); |
| } |
| } |
| |
| /** |
| * Return the component info of the EuiccService to bind to, or null if none were found. |
| */ |
| @VisibleForTesting |
| ComponentInfo findEuiccService(PackageManager packageManager) { |
| final Intent intent = new Intent(EuiccService.EUICC_SERVICE_INTERFACE); |
| final List<ResolveInfo> resolveInfoList = |
| packageManager.queryIntentServices(intent, EUICC_QUERY_FLAGS); |
| final ComponentInfo bestComponent = findEuiccService(packageManager, resolveInfoList); |
| if (bestComponent == null) { |
| Log.w(TAG, "No valid EuiccService implementation found"); |
| } |
| return bestComponent; |
| } |
| |
| private ComponentInfo findEuiccService( |
| PackageManager packageManager, List<ResolveInfo> resolveInfoList) { |
| int bestPriority = Integer.MIN_VALUE; |
| ComponentInfo bestComponent = null; |
| if (resolveInfoList != null) { |
| for (ResolveInfo resolveInfo : resolveInfoList) { |
| if (!isValidEuiccComponent(packageManager, resolveInfo)) { |
| continue; |
| } |
| |
| if (resolveInfo.filter.getPriority() > bestPriority) { |
| bestPriority = resolveInfo.filter.getPriority(); |
| bestComponent = getComponentInfo(resolveInfo); |
| } |
| } |
| } |
| |
| return bestComponent; |
| } |
| |
| private boolean isValidEuiccComponent( |
| PackageManager packageManager, ResolveInfo resolveInfo) { |
| final ComponentInfo componentInfo = getComponentInfo(resolveInfo); |
| final String packageName = componentInfo.packageName; |
| |
| // Verify that the app is privileged (via granting of a privileged permission). |
| if (packageManager.checkPermission( |
| Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS, packageName) |
| != PackageManager.PERMISSION_GRANTED) { |
| Log.e(TAG, "Package " + packageName |
| + " does not declare WRITE_EMBEDDED_SUBSCRIPTIONS"); |
| return false; |
| } |
| |
| // Verify that only the system can access the component. |
| final String permission; |
| if (componentInfo instanceof ServiceInfo) { |
| permission = ((ServiceInfo) componentInfo).permission; |
| } else if (componentInfo instanceof ActivityInfo) { |
| permission = ((ActivityInfo) componentInfo).permission; |
| } else { |
| throw new IllegalArgumentException("Can only verify services/activities"); |
| } |
| if (!TextUtils.equals(permission, Manifest.permission.BIND_EUICC_SERVICE)) { |
| Log.e(TAG, "Package " + packageName |
| + " does not require the BIND_EUICC_SERVICE permission"); |
| return false; |
| } |
| |
| // Verify that the component declares a priority. |
| if (resolveInfo.filter == null || resolveInfo.filter.getPriority() == 0) { |
| Log.e(TAG, "Package " + packageName + " does not specify a priority"); |
| return false; |
| } |
| return true; |
| } |
| |
| private ComponentInfo getComponentInfo(ResolveInfo resolveInfo) { |
| if (resolveInfo.activityInfo != null) { |
| return resolveInfo.activityInfo; |
| } |
| if (resolveInfo.serviceInfo != null) { |
| return resolveInfo.serviceInfo; |
| } |
| if (resolveInfo.providerInfo != null) { |
| return resolveInfo.providerInfo; |
| } |
| throw new IllegalStateException("Missing ComponentInfo!"); |
| } |
| } |