157 lines
6.5 KiB
Diff
157 lines
6.5 KiB
Diff
From 436f872cd2d42cf2ad1015eb921376cbe1eede1b Mon Sep 17 00:00:00 2001
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From: harvey186 <harvey186@hotmail.com>
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Date: Mon, 18 Dec 2023 11:59:34 +0100
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Subject: [PATCH] Host toogle new
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Change-Id: I30b1221f456bb0bb95966789724e292f5b3047b9
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---
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res/values/strings.xml | 3 +
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res/xml/privacy_dashboard_settings.xml | 7 ++
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.../security/HostsPreferenceController.java | 106 ++++++++++++++++++
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.../settings/security/SecuritySettings.java | 1 +
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4 files changed, 117 insertions(+)
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create mode 100644 src/com/android/settings/security/HostsPreferenceController.java
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diff --git a/res/values/strings.xml b/res/values/strings.xml
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index 69a03bd4f9..1f58bb9d62 100644
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--- a/res/values/strings.xml
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+++ b/res/values/strings.xml
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@@ -752,6 +752,9 @@
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<string name="security_settings_face_settings_require_confirmation">Always require confirmation</string>
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<!-- When authenticating in apps, always require confirmation (e.g. confirm button) after a face is authenticated. [CHAR LIMIT=70] -->
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<string name="security_settings_face_settings_require_confirmation_details">When using Face Unlock in apps, always require confirmation step</string>
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+ <string name="hosts_disable_title">Disable DNS content blocker</string>
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+ <string name="hosts_disable_summary">Disables use of the included /etc/hosts database for data collection and malware blocking.</string>
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+
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<!-- Button text in face settings which removes the user's face model from the device [CHAR LIMIT=40] -->
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<string name="security_settings_face_settings_remove_face_model">Delete face model</string>
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<!-- Button text in face settings which lets the user enroll their face [CHAR LIMIT=40] -->
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diff --git a/src/com/android/settings/security/HostsPreferenceController.java b/src/com/android/settings/security/HostsPreferenceController.java
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new file mode 100644
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index 0000000000..d8af6d2649
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--- /dev/null
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+++ b/src/com/android/settings/security/HostsPreferenceController.java
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@@ -0,0 +1,106 @@
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+/*
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+ * Copyright (C) 2022 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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+
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+package com.android.settings.security;
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+
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+import android.content.Context;
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+
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+import android.os.UserHandle;
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+import android.os.UserManager;
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+import android.os.SystemProperties;
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+
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+import android.provider.Settings;
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+
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+import androidx.preference.Preference;
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+import androidx.preference.PreferenceCategory;
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+import androidx.preference.PreferenceGroup;
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+import androidx.preference.PreferenceScreen;
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+import androidx.preference.TwoStatePreference;
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+import androidx.preference.SwitchPreference;
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+
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+import com.android.internal.widget.LockPatternUtils;
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+import com.android.settings.core.PreferenceControllerMixin;
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+import com.android.settingslib.core.AbstractPreferenceController;
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+import com.android.settingslib.core.lifecycle.events.OnResume;
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+
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+public class HostsPreferenceController extends AbstractPreferenceController
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+ implements PreferenceControllerMixin, OnResume, Preference.OnPreferenceChangeListener {
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+
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+ private static final String SYS_KEY_HOSTS_DISABLE = "persist.security.hosts_disable";
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+ private static final String PREF_KEY_HOSTS_DISABLE = "hosts_disable";
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+ private static final String PREF_KEY_SECURITY_CATEGORY = "security_category";
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+
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+ private PreferenceCategory mSecurityCategory;
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+ private SwitchPreference mHostsDisable;
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+ private boolean mIsAdmin;
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+ private UserManager mUm;
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+
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+ public HostsPreferenceController(Context context) {
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+ super(context);
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+ mUm = UserManager.get(context);
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+ }
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+
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+ @Override
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+ public void displayPreference(PreferenceScreen screen) {
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+ super.displayPreference(screen);
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+ mSecurityCategory = screen.findPreference(PREF_KEY_SECURITY_CATEGORY);
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+ updatePreferenceState();
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+ }
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+
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+ @Override
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+ public boolean isAvailable() {
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+ mIsAdmin = mUm.isAdminUser();
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+ return mIsAdmin;
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+ }
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+
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+ @Override
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+ public String getPreferenceKey() {
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+ return PREF_KEY_HOSTS_DISABLE;
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+ }
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+
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+ // TODO: should we use onCreatePreferences() instead?
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+ private void updatePreferenceState() {
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+ if (mSecurityCategory == null) {
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+ return;
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+ }
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+
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+ if (mIsAdmin) {
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+ mHostsDisable = (SwitchPreference) mSecurityCategory.findPreference(PREF_KEY_HOSTS_DISABLE);
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+ mHostsDisable.setChecked(SystemProperties.getInt(SYS_KEY_HOSTS_DISABLE, 0) == 1);
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+ } else {
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+ mSecurityCategory.removePreference(mSecurityCategory.findPreference(PREF_KEY_HOSTS_DISABLE));
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+ }
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+ }
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+
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+ @Override
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+ public void onResume() {
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+ updatePreferenceState();
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+ if (mHostsDisable != null) {
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+ boolean mode = mHostsDisable.isChecked();
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+ SystemProperties.set(SYS_KEY_HOSTS_DISABLE, mode ? "1" : "0");
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+ }
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+ }
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+
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+ @Override
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+ public boolean onPreferenceChange(Preference preference, Object value) {
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+ final String key = preference.getKey();
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+ if (PREF_KEY_HOSTS_DISABLE.equals(key)) {
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+ final boolean mode = !mHostsDisable.isChecked();
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+ SystemProperties.set(SYS_KEY_HOSTS_DISABLE, mode ? "1" : "0");
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+ }
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+ return true;
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+ }
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+}
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diff --git a/src/com/android/settings/security/SecuritySettings.java b/src/com/android/settings/security/SecuritySettings.java
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index b30b54d4d4..62eeaefd57 100644
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--- a/src/com/android/settings/security/SecuritySettings.java
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+++ b/src/com/android/settings/security/SecuritySettings.java
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@@ -105,6 +105,7 @@ public class SecuritySettings extends DashboardFragment {
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securityPreferenceControllers.add(new CombinedBiometricStatusPreferenceController(
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context, lifecycle));
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securityPreferenceControllers.add(new ChangeScreenLockPreferenceController(context, host));
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+ securityPreferenceControllers.add(new HostsPreferenceController(context));
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controllers.add(new PreferenceCategoryController(context, SECURITY_CATEGORY)
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.setChildren(securityPreferenceControllers));
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controllers.addAll(securityPreferenceControllers);
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--
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2.34.1
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