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Commit b08c6432 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "RemovalClient handles null authenticator" into tm-dev am: f7b81da3 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17033636

Change-Id: Ife45b9744a3f6e42a1dd50d0b571dd35710f4d66
parents 208a7d31 f7b81da3

services/core/java/com/android/server/biometrics/sensors/ClientMonitorCallbackConverter.java

+2 −1
Original line number Diff line number Diff line
@@ -123,7 +123,8 @@ public class ClientMonitorCallbackConverter { 
        }

    }



    void onRemoved(BiometricAuthenticator.Identifier identifier, int remaining)

    /** Called when a user has been removed. */

    public void onRemoved(BiometricAuthenticator.Identifier identifier, int remaining)

            throws RemoteException {

        if (mFaceServiceReceiver != null) {

            mFaceServiceReceiver.onRemoved((Face) identifier, remaining);

services/core/java/com/android/server/biometrics/sensors/RemovalClient.java

+19 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ package com.android.server.biometrics.sensors; 
import android.annotation.NonNull;

import android.content.Context;

import android.hardware.biometrics.BiometricAuthenticator;

import android.hardware.biometrics.BiometricConstants;

import android.os.IBinder;

import android.os.RemoteException;

import android.util.Slog;
@@ -71,6 +72,24 @@ public abstract class RemovalClient<S extends BiometricAuthenticator.Identifier, 


    @Override

    public void onRemoved(@NonNull BiometricAuthenticator.Identifier identifier, int remaining) {

        // This happens when we have failed to remove a biometric.

        if (identifier == null) {

            Slog.e(TAG, "identifier was null, skipping onRemove()");

            try {

                if (getListener() != null) {

                    getListener().onError(getSensorId(), getCookie(),

                            BiometricConstants.BIOMETRIC_ERROR_UNABLE_TO_REMOVE,

                            0 /* vendorCode */);

                } else {

                    Slog.e(TAG, "Error, listener was null, not sending onError callback");

                }

            } catch (RemoteException e) {

                Slog.w(TAG, "Failed to send error to client for onRemoved", e);

            }

            mCallback.onClientFinished(this, false /* success */);

            return;

        }



        Slog.d(TAG, "onRemoved: " + identifier.getBiometricId() + " remaining: " + remaining);

        mBiometricUtils.removeBiometricForUser(getContext(), getTargetUserId(),

                identifier.getBiometricId());

services/tests/servicestests/src/com/android/server/biometrics/sensors/face/aidl/FaceRemovalClientTest.java

0 → 100644
+124 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2022 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.server.biometrics.sensors.face.aidl;



import static org.mockito.ArgumentMatchers.any;

import static org.mockito.ArgumentMatchers.anyBoolean;

import static org.mockito.ArgumentMatchers.anyInt;

import static org.mockito.ArgumentMatchers.eq;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;



import android.hardware.biometrics.BiometricAuthenticator;

import android.hardware.biometrics.BiometricConstants;

import android.hardware.biometrics.face.ISession;

import android.hardware.face.Face;

import android.os.IBinder;

import android.os.RemoteException;

import android.platform.test.annotations.Presubmit;

import android.testing.TestableContext;



import androidx.test.filters.SmallTest;

import androidx.test.platform.app.InstrumentationRegistry;



import com.android.server.biometrics.log.BiometricContext;

import com.android.server.biometrics.log.BiometricLogger;

import com.android.server.biometrics.sensors.BiometricUtils;

import com.android.server.biometrics.sensors.ClientMonitorCallback;

import com.android.server.biometrics.sensors.ClientMonitorCallbackConverter;



import org.junit.Before;

import org.junit.Rule;

import org.junit.Test;

import org.mockito.Mock;

import org.mockito.junit.MockitoJUnit;

import org.mockito.junit.MockitoRule;



import java.util.HashMap;

import java.util.Map;



@Presubmit

@SmallTest

public class FaceRemovalClientTest {



    private static final int USER_ID = 12;



    @Rule

    public final TestableContext mContext = new TestableContext(

            InstrumentationRegistry.getInstrumentation().getTargetContext(), null);

    @Rule

    public final MockitoRule mockito = MockitoJUnit.rule();



    @Mock

    private ISession mHal;

    @Mock

    private IBinder mToken;

    @Mock

    private ClientMonitorCallbackConverter mClientMonitorCallbackConverter;

    @Mock

    private BiometricLogger mBiometricLogger;

    @Mock

    private BiometricContext mBiometricContext;

    @Mock

    private ClientMonitorCallback mCallback;

    @Mock

    private Sensor.HalSessionCallback mHalSessionCallback;

    @Mock

    private BiometricUtils<Face> mUtils;

    @Mock

    private BiometricAuthenticator.Identifier mIdentifier;

    private Map<Integer, Long> mAuthenticatorIds = new HashMap<Integer, Long>();



    @Before

    public void setup() {

        when(mBiometricContext.updateContext(any(), anyBoolean())).thenAnswer(

                i -> i.getArgument(0));

    }



    @Test

    public void testFaceRemovalClient() throws RemoteException {

        final int authenticatorId = 1;

        int[] authenticatorIds = new int[]{authenticatorId};

        final FaceRemovalClient client = createClient(1, authenticatorIds);

        when(mIdentifier.getBiometricId()).thenReturn(authenticatorId);

        client.start(mCallback);

        verify(mHal).removeEnrollments(authenticatorIds);

        client.onRemoved(mIdentifier, 0 /* remaining */);

        verify(mClientMonitorCallbackConverter).onRemoved(

                eq(mIdentifier) /* identifier */, eq(0) /* remaining */);

        verify(mCallback).onClientFinished(client, true);

    }



    @Test

    public void clientSendsErrorWhenHALFailsToRemoveEnrollment() throws RemoteException {

        final FaceRemovalClient client = createClient(1, new int[0]);

        client.start(mCallback);

        client.onRemoved(null, 0 /* remaining */);

        verify(mClientMonitorCallbackConverter).onError(eq(5) /* sensorId */, anyInt(),

                eq(BiometricConstants.BIOMETRIC_ERROR_UNABLE_TO_REMOVE), eq(0) /* vendorCode*/);

        verify(mCallback).onClientFinished(client, false);

    }



    private FaceRemovalClient createClient(int version, int[] biometricIds) throws RemoteException {

        when(mHal.getInterfaceVersion()).thenReturn(version);

        final AidlSession aidl = new AidlSession(version, mHal, USER_ID, mHalSessionCallback);

        return new FaceRemovalClient(mContext, () -> aidl, mToken,

                mClientMonitorCallbackConverter, biometricIds, USER_ID,

                "own-it", mUtils /* utils */, 5 /* sensorId */, mBiometricLogger, mBiometricContext,

                mAuthenticatorIds);

    }

}