Check group channels for FGSes

Before allowing the group to be deleted, by updating
the current check to the method that populates the channel
list

Test: NotificationManagerServiceTest
Bug: 209965481
Change-Id: I9db781c300e96e9c80bd5d21585b8be9b4db08c8
Merged-In: I9db781c300e96e9c80bd5d21585b8be9b4db08c8

2 files changed, 57 insertions, 3 deletions

diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index 7ba0f04a435f..73e7c9c15d54 100755
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -2803,7 +2803,7 @@ public class NotificationManagerService extends SystemService {
         }
     }
 
-    private void createNotificationChannelGroup(String pkg, int uid, NotificationChannelGroup group,
+    void createNotificationChannelGroup(String pkg, int uid, NotificationChannelGroup group,
             boolean fromApp, boolean fromListener) {
         Objects.requireNonNull(group);
         Objects.requireNonNull(pkg);
@@ -3851,7 +3851,8 @@ public class NotificationManagerService extends SystemService {
 
             final int callingUid = Binder.getCallingUid();
             NotificationChannelGroup groupToDelete =
-                    mPreferencesHelper.getNotificationChannelGroup(groupId, pkg, callingUid);
+                    mPreferencesHelper.getNotificationChannelGroupWithChannels(
+                            pkg, callingUid, groupId, false);
             if (groupToDelete != null) {
                 // Preflight for allowability
                 final int userId = UserHandle.getUserId(callingUid);
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java b/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
index 1ae219db7726..3555865dc6a3 100755
--- a/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/NotificationManagerServiceTest.java
@@ -225,6 +225,8 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.CountDownLatch;
 import java.util.function.Consumer;
 
 
@@ -2460,7 +2462,8 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
                 .thenReturn(associations);
         NotificationChannelGroup ncg = new NotificationChannelGroup("a", "b/c");
         mService.setPreferencesHelper(mPreferencesHelper);
-        when(mPreferencesHelper.getNotificationChannelGroup(eq(ncg.getId()), eq(PKG), anyInt()))
+        when(mPreferencesHelper.getNotificationChannelGroupWithChannels(
+                eq(PKG), anyInt(), eq(ncg.getId()), anyBoolean()))
                 .thenReturn(ncg);
         reset(mListeners);
         mBinderService.deleteNotificationChannelGroup(PKG, ncg.getId());
@@ -2470,6 +2473,56 @@ public class NotificationManagerServiceTest extends UiServiceTestCase {
     }
 
     @Test
+    public void testDeleteChannelGroupChecksForFgses() throws Exception {
+        List<String> associations = new ArrayList<>();
+        associations.add("a");
+        when(mCompanionMgr.getAssociations(PKG, UserHandle.getUserId(mUid)))
+                .thenReturn(associations);
+        CountDownLatch latch = new CountDownLatch(2);
+        mService.createNotificationChannelGroup(
+                PKG, mUid, new NotificationChannelGroup("group", "group"), true, false);
+        new Thread(() -> {
+            NotificationChannel notificationChannel = new NotificationChannel("id", "id",
+                    NotificationManager.IMPORTANCE_HIGH);
+            notificationChannel.setGroup("group");
+            ParceledListSlice<NotificationChannel> pls =
+                    new ParceledListSlice(ImmutableList.of(notificationChannel));
+            try {
+                mBinderService.createNotificationChannelsForPackage(PKG, mUid, pls);
+            } catch (RemoteException e) {
+                throw new RuntimeException(e);
+            }
+            latch.countDown();
+        }).start();
+        new Thread(() -> {
+            try {
+                synchronized (this) {
+                    wait(5000);
+                }
+                mService.createNotificationChannelGroup(PKG, mUid,
+                        new NotificationChannelGroup("new", "new group"), true, false);
+                NotificationChannel notificationChannel =
+                        new NotificationChannel("id", "id", NotificationManager.IMPORTANCE_HIGH);
+                notificationChannel.setGroup("new");
+                ParceledListSlice<NotificationChannel> pls =
+                        new ParceledListSlice(ImmutableList.of(notificationChannel));
+                try {
+                mBinderService.createNotificationChannelsForPackage(PKG, mUid, pls);
+                mBinderService.deleteNotificationChannelGroup(PKG, "group");
+                } catch (RemoteException e) {
+                    throw new RuntimeException(e);
+                }
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+            latch.countDown();
+        }).start();
+
+        latch.await();
+        verify(mAmi).hasForegroundServiceNotification(anyString(), anyInt(), anyString());
+    }
+
+    @Test
     public void testUpdateNotificationChannelFromPrivilegedListener_success() throws Exception {
         mService.setPreferencesHelper(mPreferencesHelper);
         List<String> associations = new ArrayList<>();