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Commit 4924b16c authored by Guojing Yuan's avatar Guojing Yuan Committed by Mohammed Althaf T
Browse files

Revoke NLS permission if the last association has been removed 

When last association of a package is removed, the corresponding NLS permission should be removed too.

Bug: 391895151
Test: manual test + unit test
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:2a6e5b9b41a715431a1c0ee18e647db72c9f7dca)
Merged-In: I193b0dbb700f891d0dbfcf31cf9548fbd7ca0866
Change-Id: I193b0dbb700f891d0dbfcf31cf9548fbd7ca0866
parent 87a2162e

services/companion/java/com/android/server/companion/CompanionDeviceManagerService.java

+21 −0
Original line number Diff line number Diff line
@@ -76,10 +76,12 @@ import android.companion.ObservingDevicePresenceRequest; 
import android.companion.datatransfer.PermissionSyncRequest;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.content.SharedPreferences;

import android.content.pm.PackageInfo;

import android.content.pm.PackageManager;

import android.content.pm.PackageManagerInternal;

import android.content.pm.ResolveInfo;

import android.content.pm.UserInfo;

import android.hardware.power.Mode;

import android.net.MacAddress;
@@ -99,6 +101,7 @@ import android.os.ServiceManager; 
import android.os.SystemProperties;

import android.os.UserHandle;

import android.os.UserManager;

import android.service.notification.NotificationListenerService;

import android.util.ArraySet;

import android.util.ExceptionUtils;

import android.util.Log;
@@ -546,6 +549,24 @@ public class CompanionDeviceManagerService extends SystemService { 
        final String packageName = association.getPackageName();



        if (changeType == AssociationStore.CHANGE_TYPE_REMOVED) {

            // Revoke NLS if the last association has been removed for the package

            Binder.withCleanCallingIdentity(() -> {

                if (mAssociationStore.getAssociationsForPackage(userId, packageName).isEmpty()) {

                    NotificationManager nm = getContext().getSystemService(

                        NotificationManager.class);

                    Intent nlsIntent = new Intent(

                            NotificationListenerService.SERVICE_INTERFACE);

                    List<ResolveInfo> matchedServiceList = getContext().getPackageManager()

                            .queryIntentServicesAsUser(nlsIntent, /* flags */ 0, userId);

                    for (ResolveInfo service : matchedServiceList) {

                        if (service.getComponentInfo().getComponentName().getPackageName()

                                .equals(packageName)) {

                            nm.setNotificationListenerAccessGranted(

                                    service.getComponentInfo().getComponentName(), false);

                        }

                    }

                }

            });

            markIdAsPreviouslyUsedForPackage(id, userId, packageName);

        }