Merge "Prioritize strength error over hardware error" into main (85a5dc9e) · Commits · e / os / android_frameworks_base

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

+4 −4

Original line number	Diff line number	Diff line
		@@ -226,10 +226,6 @@ class PreAuthInfo {
		return BIOMETRIC_NO_HARDWARE;
		}

		if (sensor.modality == TYPE_FACE && biometricCameraManager.isAnyCameraUnavailable()) {
		return BIOMETRIC_HARDWARE_NOT_DETECTED;
		}

		final boolean wasStrongEnough =
		Utils.isAtLeastStrength(sensor.oemStrength, requestedStrength);
		final boolean isStrongEnough =
		@@ -241,6 +237,10 @@ class PreAuthInfo {
		return BIOMETRIC_INSUFFICIENT_STRENGTH;
		}

		if (sensor.modality == TYPE_FACE && biometricCameraManager.isAnyCameraUnavailable()) {
		return BIOMETRIC_HARDWARE_NOT_DETECTED;
		}

		try {
		if (!sensor.impl.isHardwareDetected(opPackageName)) {
		return BIOMETRIC_HARDWARE_NOT_DETECTED;

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

+23 −2

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import static android.hardware.biometrics.BiometricAuthenticator.TYPE_FACE;
		import static android.hardware.biometrics.BiometricAuthenticator.TYPE_FINGERPRINT;
		import static android.hardware.biometrics.BiometricManager.BIOMETRIC_ERROR_HW_UNAVAILABLE;
		import static android.hardware.biometrics.BiometricManager.BIOMETRIC_ERROR_NOT_ENABLED_FOR_APPS;
		import static android.hardware.biometrics.BiometricManager.BIOMETRIC_ERROR_NO_HARDWARE;

		import static com.android.server.biometrics.sensors.LockoutTracker.LOCKOUT_NONE;

		@@ -354,6 +355,21 @@ public class PreAuthInfoTest {
		assertThat(preAuthInfo.getIsMandatoryBiometricsAuthentication()).isTrue();
		}

		@Test
		public void prioritizeStrengthErrorBeforeCameraUnavailableError() throws Exception {
		final BiometricSensor sensor = getFaceSensorWithStrength(
		BiometricManager.Authenticators.BIOMETRIC_WEAK);
		final PromptInfo promptInfo = new PromptInfo();
		promptInfo.setAuthenticators(BiometricManager.Authenticators.BIOMETRIC_STRONG);
		promptInfo.setNegativeButtonText(TEST_PACKAGE_NAME);
		final PreAuthInfo preAuthInfo = PreAuthInfo.create(mTrustManager, mDevicePolicyManager,
		mSettingObserver, List.of(sensor), USER_ID , promptInfo, TEST_PACKAGE_NAME,
		false /* checkDevicePolicyManager */, mContext, mBiometricCameraManager,
		mUserManager);

		assertThat(preAuthInfo.getCanAuthenticateResult()).isEqualTo(BIOMETRIC_ERROR_NO_HARDWARE);
		}

		private BiometricSensor getFingerprintSensor() {
		BiometricSensor sensor = new BiometricSensor(mContext, SENSOR_ID_FINGERPRINT,
		TYPE_FINGERPRINT, BiometricManager.Authenticators.BIOMETRIC_STRONG,
		@@ -372,9 +388,10 @@ public class PreAuthInfoTest {
		return sensor;
		}

		private BiometricSensor getFaceSensor() {
		private BiometricSensor getFaceSensorWithStrength(
		@BiometricManager.Authenticators.Types int sensorStrength) {
		BiometricSensor sensor = new BiometricSensor(mContext, SENSOR_ID_FACE, TYPE_FACE,
		BiometricManager.Authenticators.BIOMETRIC_STRONG, mFaceAuthenticator) {
		sensorStrength, mFaceAuthenticator) {
		@Override
		boolean confirmationAlwaysRequired(int userId) {
		return false;
		@@ -388,4 +405,8 @@ public class PreAuthInfoTest {

		return sensor;
		}

		private BiometricSensor getFaceSensor() {
		return getFaceSensorWithStrength(BiometricManager.Authenticators.BIOMETRIC_STRONG);
		}
		}