Return enabledOnKeyguard for all alive users

Test: atest BiometricServiceTest
Fixes: 269374736
Change-Id: Iea9667da46ddedc60776f06fbd9d6095af0bc373

core/java/android/hardware/biometrics/IBiometricService.aidl

@@ -66,8 +66,7 @@ interface IBiometricService {
 
     // Register callback for when keyguard biometric eligibility changes.
     @EnforcePermission("USE_BIOMETRIC_INTERNAL")
-    void registerEnabledOnKeyguardCallback(IBiometricEnabledOnKeyguardCallback callback,
-            int callingUserId);
+    void registerEnabledOnKeyguardCallback(IBiometricEnabledOnKeyguardCallback callback);
 
     // Notify BiometricService when <Biometric>Service is ready to start the prepared client.
     // Client lifecycle is still managed in <Biometric>Service.

services/core/java/com/android/server/biometrics/AuthService.java

@@ -342,10 +342,9 @@ public class AuthService extends SystemService {
         public void registerEnabledOnKeyguardCallback(
                 IBiometricEnabledOnKeyguardCallback callback) throws RemoteException {
             checkInternalPermission();
-            final int callingUserId = UserHandle.getCallingUserId();
             final long identity = Binder.clearCallingIdentity();
             try {
-                mBiometricService.registerEnabledOnKeyguardCallback(callback, callingUserId);
+                mBiometricService.registerEnabledOnKeyguardCallback(callback);
             } finally {
                 Binder.restoreCallingIdentity(identity);
             }

services/core/java/com/android/server/biometrics/BiometricService.java

@@ -31,6 +31,7 @@ import android.app.trust.ITrustManager;
 import android.content.ContentResolver;
 import android.content.Context;
 import android.content.pm.PackageManager;
+import android.content.pm.UserInfo;
 import android.database.ContentObserver;
 import android.hardware.biometrics.BiometricAuthenticator;
 import android.hardware.biometrics.BiometricConstants;
@@ -58,6 +59,7 @@ import android.os.Looper;
 import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
+import android.os.UserManager;
 import android.provider.Settings;
 import android.security.KeyStore;
 import android.text.TextUtils;
@@ -103,6 +105,7 @@ public class BiometricService extends SystemService {
     private final Random mRandom = new Random();
     @NonNull private final Supplier<Long> mRequestCounter;
     @NonNull private final BiometricContext mBiometricContext;
+    private final UserManager mUserManager;
 
     @VisibleForTesting
     IStatusBarService mStatusBarService;
@@ -692,14 +695,18 @@ public class BiometricService extends SystemService {
         @android.annotation.EnforcePermission(android.Manifest.permission.USE_BIOMETRIC_INTERNAL)
         @Override // Binder call
         public void registerEnabledOnKeyguardCallback(
-                IBiometricEnabledOnKeyguardCallback callback, int callingUserId) {
+                IBiometricEnabledOnKeyguardCallback callback) {
 
             super.registerEnabledOnKeyguardCallback_enforcePermission();
 
             mEnabledOnKeyguardCallbacks.add(new EnabledOnKeyguardCallback(callback));
+            final List<UserInfo> aliveUsers = mUserManager.getAliveUsers();
             try {
-                callback.onChanged(mSettingObserver.getEnabledOnKeyguard(callingUserId),
-                        callingUserId);
+                for (UserInfo userInfo: aliveUsers) {
+                    final int userId = userInfo.id;
+                    callback.onChanged(mSettingObserver.getEnabledOnKeyguard(userId),
+                            userId);
+                }
             } catch (RemoteException e) {
                 Slog.w(TAG, "Remote exception", e);
             }
@@ -1014,6 +1021,10 @@ public class BiometricService extends SystemService {
         public BiometricContext getBiometricContext(Context context) {
             return BiometricContext.getInstance(context);
         }
+
+        public UserManager getUserManager(Context context) {
+            return context.getSystemService(UserManager.class);
+        }
     }
 
     /**
@@ -1041,6 +1052,7 @@ public class BiometricService extends SystemService {
                 mEnabledOnKeyguardCallbacks);
         mRequestCounter = mInjector.getRequestGenerator();
         mBiometricContext = injector.getBiometricContext(context);
+        mUserManager = injector.getUserManager(context);
 
         try {
             injector.getActivityManagerService().registerUserSwitchObserver(

services/tests/servicestests/src/com/android/server/biometrics/AuthServiceTest.java

@@ -367,7 +367,7 @@ public class AuthServiceTest {
 
         waitForIdle();
         verify(mBiometricService).registerEnabledOnKeyguardCallback(
-                eq(callback), eq(UserHandle.getCallingUserId()));
+                eq(callback));
     }
 
     private static void setInternalAndTestBiometricPermissions(

services/tests/servicestests/src/com/android/server/biometrics/BiometricServiceTest.java

@@ -48,6 +48,7 @@ import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;
 
 import android.app.IActivityManager;
@@ -55,12 +56,14 @@ import android.app.admin.DevicePolicyManager;
 import android.app.trust.ITrustManager;
 import android.content.ContentResolver;
 import android.content.Context;
+import android.content.pm.UserInfo;
 import android.content.res.Resources;
 import android.hardware.biometrics.BiometricAuthenticator;
 import android.hardware.biometrics.BiometricConstants;
 import android.hardware.biometrics.BiometricManager;
 import android.hardware.biometrics.BiometricPrompt;
 import android.hardware.biometrics.IBiometricAuthenticator;
+import android.hardware.biometrics.IBiometricEnabledOnKeyguardCallback;
 import android.hardware.biometrics.IBiometricSensorReceiver;
 import android.hardware.biometrics.IBiometricService;
 import android.hardware.biometrics.IBiometricServiceReceiver;
@@ -75,6 +78,7 @@ import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
 import android.os.Binder;
 import android.os.IBinder;
 import android.os.RemoteException;
+import android.os.UserManager;
 import android.platform.test.annotations.Presubmit;
 import android.security.KeyStore;
 import android.view.Display;
@@ -152,6 +156,8 @@ public class BiometricServiceTest {
     private ISessionListener mSessionListener;
     @Mock
     private AuthSessionCoordinator mAuthSessionCoordinator;
+    @Mock
+    private UserManager mUserManager;
 
     BiometricContextProvider mBiometricContextProvider;
 
@@ -177,6 +183,7 @@ public class BiometricServiceTest {
         when(mInjector.getTrustManager()).thenReturn(mTrustManager);
         when(mInjector.getDevicePolicyManager(any())).thenReturn(mDevicePolicyManager);
         when(mInjector.getRequestGenerator()).thenReturn(() -> TEST_REQUEST_ID);
+        when(mInjector.getUserManager(any())).thenReturn(mUserManager);
 
         when(mResources.getString(R.string.biometric_error_hw_unavailable))
                 .thenReturn(ERROR_HW_UNAVAILABLE);
@@ -1597,6 +1604,33 @@ public class BiometricServiceTest {
         verify(mReceiver2, never()).onError(anyInt(), anyInt(), anyInt());
     }
 
+    @Test
+    public void testRegisterEnabledOnKeyguardCallback() throws RemoteException {
+        final UserInfo userInfo1 = new UserInfo(0 /* userId */, "user1" /* name */, 0 /* flags */);
+        final UserInfo userInfo2 = new UserInfo(10 /* userId */, "user2" /* name */, 0 /* flags */);
+        final List<UserInfo> aliveUsers = List.of(userInfo1, userInfo2);
+        final IBiometricEnabledOnKeyguardCallback callback =
+                mock(IBiometricEnabledOnKeyguardCallback.class);
+
+        mBiometricService = new BiometricService(mContext, mInjector);
+
+        when(mUserManager.getAliveUsers()).thenReturn(aliveUsers);
+        when(mBiometricService.mSettingObserver.getEnabledOnKeyguard(userInfo1.id))
+                .thenReturn(true);
+        when(mBiometricService.mSettingObserver.getEnabledOnKeyguard(userInfo2.id))
+                .thenReturn(false);
+        when(callback.asBinder()).thenReturn(mock(IBinder.class));
+
+        mBiometricService.mImpl.registerEnabledOnKeyguardCallback(callback);
+
+        waitForIdle();
+
+        verify(callback).asBinder();
+        verify(callback).onChanged(true, userInfo1.id);
+        verify(callback).onChanged(false, userInfo2.id);
+        verifyNoMoreInteractions(callback);
+    }
+
     // Helper methods
 
     private int invokeCanAuthenticate(BiometricService service, int authenticators)