| /* |
| * Copyright (C) 2020 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.fingerprint.hidl; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.Context; |
| import android.hardware.biometrics.BiometricAuthenticator; |
| import android.hardware.biometrics.BiometricFingerprintConstants; |
| import android.hardware.biometrics.BiometricsProtoEnums; |
| import android.hardware.biometrics.fingerprint.V2_1.IBiometricsFingerprint; |
| import android.hardware.fingerprint.Fingerprint; |
| import android.hardware.fingerprint.FingerprintManager; |
| import android.hardware.fingerprint.ISidefpsController; |
| import android.hardware.fingerprint.IUdfpsOverlayController; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.util.Slog; |
| |
| import com.android.server.biometrics.sensors.BiometricNotificationUtils; |
| import com.android.server.biometrics.sensors.BiometricUtils; |
| import com.android.server.biometrics.sensors.ClientMonitorCallbackConverter; |
| import com.android.server.biometrics.sensors.EnrollClient; |
| import com.android.server.biometrics.sensors.fingerprint.SidefpsHelper; |
| import com.android.server.biometrics.sensors.fingerprint.Udfps; |
| import com.android.server.biometrics.sensors.fingerprint.UdfpsHelper; |
| |
| /** |
| * Fingerprint-specific enroll client supporting the |
| * {@link android.hardware.biometrics.fingerprint.V2_1} and |
| * {@link android.hardware.biometrics.fingerprint.V2_2} HIDL interfaces. |
| */ |
| public class FingerprintEnrollClient extends EnrollClient<IBiometricsFingerprint> |
| implements Udfps { |
| |
| private static final String TAG = "FingerprintEnrollClient"; |
| |
| @Nullable private final IUdfpsOverlayController mUdfpsOverlayController; |
| @Nullable private final ISidefpsController mSidefpsController; |
| private final @FingerprintManager.EnrollReason int mEnrollReason; |
| private boolean mIsPointerDown; |
| |
| FingerprintEnrollClient(@NonNull Context context, |
| @NonNull LazyDaemon<IBiometricsFingerprint> lazyDaemon, @NonNull IBinder token, |
| @NonNull ClientMonitorCallbackConverter listener, int userId, |
| @NonNull byte[] hardwareAuthToken, @NonNull String owner, |
| @NonNull BiometricUtils<Fingerprint> utils, int timeoutSec, int sensorId, |
| @Nullable IUdfpsOverlayController udfpsOverlayController, |
| @Nullable ISidefpsController sidefpsController, |
| @FingerprintManager.EnrollReason int enrollReason) { |
| super(context, lazyDaemon, token, listener, userId, hardwareAuthToken, owner, utils, |
| timeoutSec, BiometricsProtoEnums.MODALITY_FINGERPRINT, sensorId, |
| true /* shouldVibrate */); |
| mUdfpsOverlayController = udfpsOverlayController; |
| mSidefpsController = sidefpsController; |
| |
| mEnrollReason = enrollReason; |
| if (enrollReason == FingerprintManager.ENROLL_FIND_SENSOR) { |
| setShouldLog(false); |
| } |
| } |
| |
| @NonNull |
| @Override |
| protected Callback wrapCallbackForStart(@NonNull Callback callback) { |
| return new CompositeCallback(createALSCallback(true /* startWithClient */), callback); |
| } |
| |
| @Override |
| protected boolean hasReachedEnrollmentLimit() { |
| final int limit = getContext().getResources().getInteger( |
| com.android.internal.R.integer.config_fingerprintMaxTemplatesPerUser); |
| final int enrolled = mBiometricUtils.getBiometricsForUser(getContext(), getTargetUserId()) |
| .size(); |
| if (enrolled >= limit) { |
| Slog.w(TAG, "Too many fingerprints registered, user: " + getTargetUserId()); |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| protected void startHalOperation() { |
| UdfpsHelper.showUdfpsOverlay(getSensorId(), |
| UdfpsHelper.getReasonFromEnrollReason(mEnrollReason), |
| mUdfpsOverlayController, this); |
| SidefpsHelper.showOverlay(mSidefpsController); |
| BiometricNotificationUtils.cancelBadCalibrationNotification(getContext()); |
| try { |
| // GroupId was never used. In fact, groupId is always the same as userId. |
| getFreshDaemon().enroll(mHardwareAuthToken, getTargetUserId(), mTimeoutSec); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Remote exception when requesting enroll", e); |
| onError(BiometricFingerprintConstants.FINGERPRINT_ERROR_HW_UNAVAILABLE, |
| 0 /* vendorCode */); |
| UdfpsHelper.hideUdfpsOverlay(getSensorId(), mUdfpsOverlayController); |
| SidefpsHelper.hideOverlay(mSidefpsController); |
| mCallback.onClientFinished(this, false /* success */); |
| } |
| } |
| |
| @Override |
| protected void stopHalOperation() { |
| UdfpsHelper.hideUdfpsOverlay(getSensorId(), mUdfpsOverlayController); |
| SidefpsHelper.hideOverlay(mSidefpsController); |
| try { |
| getFreshDaemon().cancel(); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Remote exception when requesting cancel", e); |
| onError(BiometricFingerprintConstants.FINGERPRINT_ERROR_HW_UNAVAILABLE, |
| 0 /* vendorCode */); |
| mCallback.onClientFinished(this, false /* success */); |
| } |
| } |
| |
| @Override |
| public void onEnrollResult(BiometricAuthenticator.Identifier identifier, int remaining) { |
| super.onEnrollResult(identifier, remaining); |
| |
| UdfpsHelper.onEnrollmentProgress(getSensorId(), remaining, mUdfpsOverlayController); |
| |
| if (remaining == 0) { |
| UdfpsHelper.hideUdfpsOverlay(getSensorId(), mUdfpsOverlayController); |
| SidefpsHelper.hideOverlay(mSidefpsController); |
| } |
| } |
| |
| @Override |
| public void onAcquired(int acquiredInfo, int vendorCode) { |
| super.onAcquired(acquiredInfo, vendorCode); |
| |
| if (UdfpsHelper.isValidAcquisitionMessage(getContext(), acquiredInfo, vendorCode)) { |
| UdfpsHelper.onEnrollmentHelp(getSensorId(), mUdfpsOverlayController); |
| } |
| } |
| |
| @Override |
| public void onError(int errorCode, int vendorCode) { |
| super.onError(errorCode, vendorCode); |
| |
| UdfpsHelper.hideUdfpsOverlay(getSensorId(), mUdfpsOverlayController); |
| SidefpsHelper.hideOverlay(mSidefpsController); |
| } |
| |
| @Override |
| public void onPointerDown(int x, int y, float minor, float major) { |
| mIsPointerDown = true; |
| UdfpsHelper.onFingerDown(getFreshDaemon(), x, y, minor, major); |
| } |
| |
| @Override |
| public void onPointerUp() { |
| mIsPointerDown = false; |
| UdfpsHelper.onFingerUp(getFreshDaemon()); |
| } |
| |
| @Override |
| public boolean isPointerDown() { |
| return mIsPointerDown; |
| } |
| |
| @Override |
| public void onUiReady() { |
| // Unsupported in HIDL. |
| } |
| } |