694fe0751a
Provide an interface for ODM/OEM to override Fingerprint enrollment activities. Bug: 364794493 Flag: EXEMPT can't apply flag for manifest change Test: atest SettingsRoboTests:FingerprintEnrollTest Change-Id: Ic519970a3837614b3d4c8cb2f6d75967ae838208
536 lines
22 KiB
Java
536 lines
22 KiB
Java
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.biometrics;
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import android.annotation.IntDef;
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import android.app.Activity;
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import android.app.PendingIntent;
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import android.app.admin.DevicePolicyManager;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentSender;
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import android.hardware.biometrics.BiometricManager;
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import android.hardware.biometrics.SensorProperties;
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import android.hardware.face.FaceManager;
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import android.hardware.face.FaceSensorPropertiesInternal;
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import android.os.Bundle;
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import android.os.storage.StorageManager;
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import android.text.BidiFormatter;
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import android.text.SpannableStringBuilder;
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import android.util.Log;
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import android.view.Surface;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.FragmentActivity;
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import com.android.internal.widget.LockPatternUtils;
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import com.android.internal.widget.VerifyCredentialResponse;
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import com.android.settings.R;
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import com.android.settings.SetupWizardUtils;
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import com.android.settings.biometrics.face.FaceEnrollIntroduction;
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import com.android.settings.biometrics.fingerprint.FingerprintEnroll;
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import com.android.settings.biometrics.fingerprint.FingerprintEnrollFindSensor;
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import com.android.settings.biometrics.fingerprint.SetupFingerprintEnrollFindSensor;
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import com.android.settings.overlay.FeatureFactory;
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import com.android.settings.password.ChooseLockGeneric;
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import com.android.settings.password.ChooseLockSettingsHelper;
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import com.android.settings.password.SetupChooseLockGeneric;
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import com.google.android.setupcompat.util.WizardManagerHelper;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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/**
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* Common biometric utilities.
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*/
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public class BiometricUtils {
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private static final String TAG = "BiometricUtils";
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public static final String EXTRA_ENROLL_REASON = BiometricManager.EXTRA_ENROLL_REASON;
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/** The character ' • ' to separate the setup choose options */
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public static final String SEPARATOR = " \u2022 ";
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// Note: Theis IntDef must align SystemUI DevicePostureInt
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@IntDef(prefix = {"DEVICE_POSTURE_"}, value = {
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DEVICE_POSTURE_UNKNOWN,
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DEVICE_POSTURE_CLOSED,
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DEVICE_POSTURE_HALF_OPENED,
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DEVICE_POSTURE_OPENED,
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DEVICE_POSTURE_FLIPPED
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})
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@Retention(RetentionPolicy.SOURCE)
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public @interface DevicePostureInt {}
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// NOTE: These constants **must** match those defined for Jetpack Sidecar. This is because we
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// use the Device State -> Jetpack Posture map in DevicePostureControllerImpl to translate
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// between the two.
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public static final int DEVICE_POSTURE_UNKNOWN = 0;
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public static final int DEVICE_POSTURE_CLOSED = 1;
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public static final int DEVICE_POSTURE_HALF_OPENED = 2;
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public static final int DEVICE_POSTURE_OPENED = 3;
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public static final int DEVICE_POSTURE_FLIPPED = 4;
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public static int sAllowEnrollPosture = DEVICE_POSTURE_UNKNOWN;
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/**
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* Request was sent for starting another enrollment of a previously
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* enrolled biometric of the same type.
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*/
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public static int REQUEST_ADD_ANOTHER = 7;
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/**
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* Gatekeeper credential not match exception, it throws if VerifyCredentialResponse is not
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* matched in requestGatekeeperHat().
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*/
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public static class GatekeeperCredentialNotMatchException extends IllegalStateException {
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public GatekeeperCredentialNotMatchException(String s) {
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super(s);
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}
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};
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/**
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* @deprecated Use {@link com.android.settings.biometrics.GatekeeperPasswordProvider} instead.
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*
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* Given the result from confirming or choosing a credential, request Gatekeeper to generate
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* a HardwareAuthToken with the Gatekeeper Password together with a biometric challenge.
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*
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* @param context Caller's context
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* @param result The onActivityResult intent from ChooseLock* or ConfirmLock*
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* @param userId User ID that the credential/biometric operation applies to
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* @param challenge Unique biometric challenge from FingerprintManager/FaceManager
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* @return
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* @throws GatekeeperCredentialNotMatchException if Gatekeeper response is not match
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* @throws IllegalStateException if Gatekeeper Password is missing
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*/
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@Deprecated
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public static byte[] requestGatekeeperHat(@NonNull Context context, @NonNull Intent result,
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int userId, long challenge) {
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if (!containsGatekeeperPasswordHandle(result)) {
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throw new IllegalStateException("Gatekeeper Password is missing!!");
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}
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final long gatekeeperPasswordHandle = result.getLongExtra(
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ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, 0L);
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return requestGatekeeperHat(context, gatekeeperPasswordHandle, userId, challenge);
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}
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/**
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* @deprecated Use {@link com.android.settings.biometrics.GatekeeperPasswordProvider} instead.
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*/
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@Deprecated
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public static byte[] requestGatekeeperHat(@NonNull Context context, long gkPwHandle, int userId,
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long challenge) {
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final LockPatternUtils utils = new LockPatternUtils(context);
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final VerifyCredentialResponse response = utils.verifyGatekeeperPasswordHandle(gkPwHandle,
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challenge, userId);
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if (!response.isMatched()) {
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throw new GatekeeperCredentialNotMatchException("Unable to request Gatekeeper HAT");
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}
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return response.getGatekeeperHAT();
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}
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/**
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* @deprecated Use {@link com.android.settings.biometrics.GatekeeperPasswordProvider} instead.
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*/
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@Deprecated
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public static boolean containsGatekeeperPasswordHandle(@Nullable Intent data) {
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return data != null && data.hasExtra(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE);
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}
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/**
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* @deprecated Use {@link com.android.settings.biometrics.GatekeeperPasswordProvider} instead.
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*/
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@Deprecated
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public static long getGatekeeperPasswordHandle(@NonNull Intent data) {
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return data.getLongExtra(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, 0L);
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}
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/**
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* @deprecated Use {@link com.android.settings.biometrics.GatekeeperPasswordProvider} instead.
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*
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* Requests {@link com.android.server.locksettings.LockSettingsService} to remove the
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* gatekeeper password associated with a previous
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* {@link ChooseLockSettingsHelper.Builder#setRequestGatekeeperPasswordHandle(boolean)}
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*
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* @param context Caller's context
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* @param data The onActivityResult intent from ChooseLock* or ConfirmLock*
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*/
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@Deprecated
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public static void removeGatekeeperPasswordHandle(@NonNull Context context,
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@Nullable Intent data) {
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if (data == null) {
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return;
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}
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if (!containsGatekeeperPasswordHandle(data)) {
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return;
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}
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removeGatekeeperPasswordHandle(context, getGatekeeperPasswordHandle(data));
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}
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/**
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* @deprecated Use {@link com.android.settings.biometrics.GatekeeperPasswordProvider} instead.
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*/
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@Deprecated
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public static void removeGatekeeperPasswordHandle(@NonNull Context context, long handle) {
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final LockPatternUtils utils = new LockPatternUtils(context);
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utils.removeGatekeeperPasswordHandle(handle);
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Log.d(TAG, "Removed handle");
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}
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/**
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* @param context caller's context
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* @param activityIntent The intent that started the caller's activity
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* @return Intent for starting ChooseLock*
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*/
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public static Intent getChooseLockIntent(@NonNull Context context,
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@NonNull Intent activityIntent) {
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if (WizardManagerHelper.isAnySetupWizard(activityIntent)) {
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// Default to PIN lock in setup wizard
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Intent intent = new Intent(context, SetupChooseLockGeneric.class);
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if (StorageManager.isFileEncrypted()) {
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intent.putExtra(
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LockPatternUtils.PASSWORD_TYPE_KEY,
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DevicePolicyManager.PASSWORD_QUALITY_NUMERIC);
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intent.putExtra(ChooseLockGeneric.ChooseLockGenericFragment
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.EXTRA_SHOW_OPTIONS_BUTTON, true);
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}
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WizardManagerHelper.copyWizardManagerExtras(activityIntent, intent);
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return intent;
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} else {
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return new Intent(context, ChooseLockGeneric.class);
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}
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}
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/**
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* @param context caller's context
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* @param isSuw if it is running in setup wizard flows
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* @param suwExtras setup wizard extras for new intent
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* @return Intent for starting ChooseLock*
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*/
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public static Intent getChooseLockIntent(@NonNull Context context,
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boolean isSuw, @NonNull Bundle suwExtras) {
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if (isSuw) {
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// Default to PIN lock in setup wizard
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Intent intent = new Intent(context, SetupChooseLockGeneric.class);
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if (StorageManager.isFileEncrypted()) {
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intent.putExtra(
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LockPatternUtils.PASSWORD_TYPE_KEY,
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DevicePolicyManager.PASSWORD_QUALITY_NUMERIC);
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intent.putExtra(ChooseLockGeneric.ChooseLockGenericFragment
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.EXTRA_SHOW_OPTIONS_BUTTON, true);
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}
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intent.putExtras(suwExtras);
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return intent;
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} else {
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return new Intent(context, ChooseLockGeneric.class);
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}
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}
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/**
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* @param context caller's context
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* @param activityIntent The intent that started the caller's activity
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* @return Intent for starting FingerprintEnrollFindSensor
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*/
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public static Intent getFingerprintFindSensorIntent(@NonNull Context context,
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@NonNull Intent activityIntent) {
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final boolean isSuw = WizardManagerHelper.isAnySetupWizard(activityIntent);
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final Intent intent = new Intent(context, isSuw
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? SetupFingerprintEnrollFindSensor.class : FingerprintEnrollFindSensor.class);
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if (isSuw) {
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SetupWizardUtils.copySetupExtras(activityIntent, intent);
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}
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return intent;
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}
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/**
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* @param context caller's context
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* @param activityIntent The intent that started the caller's activity
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* @return Intent for starting FingerprintEnroll
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*/
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public static Intent getFingerprintIntroIntent(@NonNull Context context,
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@NonNull Intent activityIntent) {
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final boolean isSuw = WizardManagerHelper.isAnySetupWizard(activityIntent);
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final Intent intent = new Intent(context, isSuw
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? FingerprintEnroll.SetupActivity.class : FingerprintEnroll.class);
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if (isSuw) {
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WizardManagerHelper.copyWizardManagerExtras(activityIntent, intent);
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}
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return intent;
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}
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/**
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* @param context caller's context
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* @param activityIntent The intent that started the caller's activity
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* @return Intent for starting FaceEnrollIntroduction
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*/
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public static Intent getFaceIntroIntent(@NonNull Context context,
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@NonNull Intent activityIntent) {
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final Intent intent = new Intent(context, FaceEnrollIntroduction.class);
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WizardManagerHelper.copyWizardManagerExtras(activityIntent, intent);
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return intent;
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}
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/**
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* Start an activity that prompts the user to hand the device to their parent or guardian.
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* @param context caller's context
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* @param activityIntent The intent that started the caller's activity
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* @return Intent for starting BiometricHandoffActivity
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*/
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public static Intent getHandoffToParentIntent(@NonNull Context context,
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@NonNull Intent activityIntent) {
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final Intent intent = new Intent(context, BiometricHandoffActivity.class);
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WizardManagerHelper.copyWizardManagerExtras(activityIntent, intent);
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return intent;
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}
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/**
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* @param activity Reference to the calling activity, used to startActivity
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* @param intent Intent pointing to the enrollment activity
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* @param requestCode If non-zero, will invoke startActivityForResult instead of startActivity
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* @param hardwareAuthToken HardwareAuthToken from Gatekeeper
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* @param userId User to request enrollment for
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*/
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public static void launchEnrollForResult(@NonNull FragmentActivity activity,
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@NonNull Intent intent, int requestCode,
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@Nullable byte[] hardwareAuthToken, @Nullable Long gkPwHandle, int userId) {
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if (hardwareAuthToken != null) {
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intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN,
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hardwareAuthToken);
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}
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if (gkPwHandle != null) {
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intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_GK_PW_HANDLE, (long) gkPwHandle);
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}
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if (activity instanceof BiometricEnrollActivity.InternalActivity) {
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intent.putExtra(Intent.EXTRA_USER_ID, userId);
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}
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if (requestCode != 0) {
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activity.startActivityForResult(intent, requestCode);
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} else {
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activity.startActivity(intent);
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activity.finish();
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}
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}
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/**
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* Used for checking if a multi-biometric enrollment flow starts with Face and
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* ends with Fingerprint.
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*
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* @param activity Activity that we want to check
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* @return True if the activity is going through a multi-biometric enrollment flow, that starts
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* with Face.
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*/
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public static boolean isMultiBiometricFaceEnrollmentFlow(@NonNull Activity activity) {
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return activity.getIntent().hasExtra(MultiBiometricEnrollHelper.EXTRA_ENROLL_AFTER_FACE);
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}
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/**
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* Used for checking if a multi-biometric enrollment flowstarts with Fingerprint
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* and ends with Face.
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*
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* @param activity Activity that we want to check
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* @return True if the activity is going through a multi-biometric enrollment flow, that starts
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* with Fingerprint.
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*/
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public static boolean isMultiBiometricFingerprintEnrollmentFlow(@NonNull Activity activity) {
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return activity.getIntent().hasExtra(
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MultiBiometricEnrollHelper.EXTRA_ENROLL_AFTER_FINGERPRINT);
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}
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/**
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* Used to check if the activity is a multi biometric flow activity.
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*
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* @param activity Activity to check
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* @return True if the activity is going through a multi-biometric enrollment flow, that starts
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* with Fingerprint.
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*/
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public static boolean isAnyMultiBiometricFlow(@NonNull Activity activity) {
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return isMultiBiometricFaceEnrollmentFlow(activity)
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|| isMultiBiometricFingerprintEnrollmentFlow(activity);
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}
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/**
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* Used to check if the activity is showing a posture guidance to user.
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*
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* @param devicePosture the device posture state
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* @param isLaunchedPostureGuidance True launching a posture guidance to user
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* @return True if the activity is showing posture guidance to user
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*/
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public static boolean isPostureGuidanceShowing(@DevicePostureInt int devicePosture,
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boolean isLaunchedPostureGuidance) {
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return !isPostureAllowEnrollment(devicePosture) && isLaunchedPostureGuidance;
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}
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/**
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* Used to check if current device posture state is allow to enroll biometrics.
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* For compatibility, we don't restrict enrollment if device do not config.
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*
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* @param devicePosture True if current device posture allow enrollment
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* @return True if current device posture state allow enrollment
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*/
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public static boolean isPostureAllowEnrollment(@DevicePostureInt int devicePosture) {
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return (sAllowEnrollPosture == DEVICE_POSTURE_UNKNOWN)
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|| (devicePosture == sAllowEnrollPosture);
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}
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/**
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* Used to check if the activity should show a posture guidance to user.
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*
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* @param devicePosture the device posture state
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* @param isLaunchedPostureGuidance True launching a posture guidance to user
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* @return True if posture disallow enroll and posture guidance not showing, false otherwise.
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*/
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public static boolean shouldShowPostureGuidance(@DevicePostureInt int devicePosture,
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boolean isLaunchedPostureGuidance) {
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return !isPostureAllowEnrollment(devicePosture) && !isLaunchedPostureGuidance;
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}
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/**
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* Sets allowed device posture for face enrollment.
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*
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* @param devicePosture the allowed posture state {@link DevicePostureInt} for enrollment
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*/
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public static void setDevicePosturesAllowEnroll(@DevicePostureInt int devicePosture) {
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sAllowEnrollPosture = devicePosture;
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}
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public static void copyMultiBiometricExtras(@NonNull Intent fromIntent,
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@NonNull Intent toIntent) {
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PendingIntent pendingIntent = (PendingIntent) fromIntent.getExtra(
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MultiBiometricEnrollHelper.EXTRA_ENROLL_AFTER_FACE, null);
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if (pendingIntent != null) {
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toIntent.putExtra(MultiBiometricEnrollHelper.EXTRA_ENROLL_AFTER_FACE,
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pendingIntent);
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}
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pendingIntent = (PendingIntent) fromIntent.getExtra(
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MultiBiometricEnrollHelper.EXTRA_ENROLL_AFTER_FINGERPRINT, null);
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if (pendingIntent != null) {
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toIntent.putExtra(MultiBiometricEnrollHelper.EXTRA_ENROLL_AFTER_FINGERPRINT,
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pendingIntent);
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}
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}
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/**
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* If the current biometric enrollment (e.g. face/fingerprint) should be followed by another
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* one (e.g. fingerprint/face) retrieves the PendingIntent pointing to the next enrollment
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* and starts it. The caller will receive the result in onActivityResult.
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* @return true if the next enrollment was started
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*/
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public static boolean tryStartingNextBiometricEnroll(@NonNull Activity activity,
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int requestCode, String debugReason) {
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PendingIntent pendingIntent = (PendingIntent) activity.getIntent()
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.getExtra(MultiBiometricEnrollHelper.EXTRA_ENROLL_AFTER_FACE);
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if (pendingIntent == null) {
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pendingIntent = (PendingIntent) activity.getIntent()
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.getExtra(MultiBiometricEnrollHelper.EXTRA_ENROLL_AFTER_FINGERPRINT);
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}
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if (pendingIntent != null) {
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try {
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IntentSender intentSender = pendingIntent.getIntentSender();
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activity.startIntentSenderForResult(intentSender, requestCode,
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null /* fillInIntent */, 0 /* flagMask */, 0 /* flagValues */,
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0 /* extraFlags */);
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return true;
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} catch (IntentSender.SendIntentException e) {
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Log.e(TAG, "Pending intent canceled: " + e);
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}
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}
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return false;
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}
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/**
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* Returns {@code true} if the screen is going into a landscape mode and the angle is equal to
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* 270.
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* @param context Context that we use to get the display this context is associated with
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* @return True if the angle of the rotation is equal to 270.
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*/
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public static boolean isReverseLandscape(@NonNull Context context) {
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return context.getDisplay().getRotation() == Surface.ROTATION_270;
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}
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/**
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* @param faceManager
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* @return True if at least one sensor is set as a convenience.
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*/
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public static boolean isConvenience(@NonNull FaceManager faceManager) {
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for (FaceSensorPropertiesInternal props : faceManager.getSensorPropertiesInternal()) {
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if (props.sensorStrength == SensorProperties.STRENGTH_CONVENIENCE) {
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return true;
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}
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}
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return false;
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}
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/**
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* Returns {@code true} if the screen is going into a landscape mode and the angle is equal to
|
|
* 90.
|
|
* @param context Context that we use to get the display this context is associated with
|
|
* @return True if the angle of the rotation is equal to 90.
|
|
*/
|
|
public static boolean isLandscape(@NonNull Context context) {
|
|
return context.getDisplay().getRotation() == Surface.ROTATION_90;
|
|
}
|
|
|
|
/**
|
|
* Returns true if the device supports Face enrollment in SUW flow
|
|
*/
|
|
public static boolean isFaceSupportedInSuw(Context context) {
|
|
return FeatureFactory.getFeatureFactory().getFaceFeatureProvider().isSetupWizardSupported(
|
|
context);
|
|
}
|
|
|
|
/**
|
|
* Returns the combined screen lock options by device biometrics config
|
|
* @param context the application context
|
|
* @param screenLock the type of screen lock(PIN, Pattern, Password) in string
|
|
* @param hasFingerprint device support fingerprint or not
|
|
* @param isFaceSupported device support face or not
|
|
* @return the options combined with screen lock, face, and fingerprint in String format.
|
|
*/
|
|
public static String getCombinedScreenLockOptions(Context context,
|
|
CharSequence screenLock, boolean hasFingerprint, boolean isFaceSupported) {
|
|
final SpannableStringBuilder ssb = new SpannableStringBuilder();
|
|
final BidiFormatter bidi = BidiFormatter.getInstance();
|
|
// Assume the flow is "Screen Lock" + "Face" + "Fingerprint"
|
|
ssb.append(bidi.unicodeWrap(screenLock));
|
|
|
|
if (hasFingerprint) {
|
|
ssb.append(bidi.unicodeWrap(SEPARATOR));
|
|
ssb.append(bidi.unicodeWrap(
|
|
capitalize(context.getString(R.string.security_settings_fingerprint))));
|
|
}
|
|
|
|
if (isFaceSupported) {
|
|
ssb.append(bidi.unicodeWrap(SEPARATOR));
|
|
ssb.append(bidi.unicodeWrap(
|
|
capitalize(context.getString(R.string.keywords_face_settings))));
|
|
}
|
|
|
|
return ssb.toString();
|
|
}
|
|
|
|
private static String capitalize(final String input) {
|
|
return Character.toUpperCase(input.charAt(0)) + input.substring(1);
|
|
}
|
|
}
|