84 lines
3.3 KiB
Java
84 lines
3.3 KiB
Java
/*
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* Copyright (C) 2021 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.app.admin.DevicePolicyManager;
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import android.content.ComponentName;
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import android.content.Context;
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import android.hardware.biometrics.BiometricAuthenticator;
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import android.hardware.biometrics.ParentalControlsUtilsInternal;
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import android.os.UserHandle;
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import android.os.UserManager;
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import android.util.Log;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.android.internal.annotations.VisibleForTesting;
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import com.android.settingslib.RestrictedLockUtils;
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/**
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* Utilities for things at the cross-section of biometrics and parental controls. For example,
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* determining if parental consent is required, determining which strings should be shown, etc.
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*/
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public class ParentalControlsUtils {
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private static final String TAG = "ParentalControlsUtils";
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/**
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* Public version that enables test paths, see
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* {@link android.hardware.biometrics.ParentalControlsUtilsInternal#getTestComponentName}
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* @return non-null EnforcedAdmin if parental consent is required
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*/
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public static RestrictedLockUtils.EnforcedAdmin parentConsentRequired(@NonNull Context context,
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@BiometricAuthenticator.Modality int modality) {
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final int userId = UserHandle.myUserId();
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final UserHandle userHandle = new UserHandle(userId);
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final ComponentName testComponentName = ParentalControlsUtilsInternal.getTestComponentName(
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context, userId);
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if (testComponentName != null) {
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Log.d(TAG, "Requiring consent for test flow");
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return new RestrictedLockUtils.EnforcedAdmin(testComponentName,
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UserManager.DISALLOW_BIOMETRIC, userHandle);
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}
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final DevicePolicyManager dpm = context.getSystemService(DevicePolicyManager.class);
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return parentConsentRequiredInternal(dpm, modality, userHandle);
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}
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/**
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* Internal testable version.
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* @return non-null EnforcedAdmin if parental consent is required
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*/
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@Nullable
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@VisibleForTesting
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static RestrictedLockUtils.EnforcedAdmin parentConsentRequiredInternal(
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@NonNull DevicePolicyManager dpm, @BiometricAuthenticator.Modality int modality,
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@NonNull UserHandle userHandle) {
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if (ParentalControlsUtilsInternal.parentConsentRequired(dpm, modality,
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userHandle)) {
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final ComponentName cn =
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ParentalControlsUtilsInternal.getSupervisionComponentName(dpm, userHandle);
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return new RestrictedLockUtils.EnforcedAdmin(cn, UserManager.DISALLOW_BIOMETRIC,
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userHandle);
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} else {
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return null;
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}
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}
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}
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