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DivestOS/Patches/LineageOS-19.1/android_packages_apps_Settings/0013-Captive_Portal_Toggle.patch
Tad e3125dd7de
Update VVM and MMS configs from GrapheneOS 
VVM: 2637686af5
MMS: 0c7e979f05

Signed-off-by: Tad <tad@spotco.us>
2022-10-12 21:33:47 -04:00

258 lines
11 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Pratyush <codelab@pratyush.dev>
Date: Wed, 20 Oct 2021 05:40:11 +0530
Subject: [PATCH] add toggle to set captiveportal settings
Access is disallowed for users that are disallowed from configuring
Private DNS settings. This restriction provides administrative control
over this feature in a way that's compatible with existing device
manager implementations. Private DNS is the closest fit from the
existing user management restrictions that are available.
Co-authored-by: stuux <stuux@posteo.net>
Co-authored-by: Renlord <me@renlord.com>
Co-authored-by: Danny Lin <danny@kdrag0n.dev>
Co-authored-by: anupritaisno1 <www.anuprita804@gmail.com>
Signed-off-by: empratyush <codelab@pratyush.dev>
[tad@spotco.us]: removed the option for GrapheneOS servers
Change-Id: I8602bc4be0b896416282b7cf08bcd45b2cc216c6
---
res/values/arrays.xml | 10 +
res/values/strings.xml | 3 +
...ConnectivityCheckPreferenceController.java | 176 ++++++++++++++++++
.../network/NetworkDashboardFragment.java | 3 +
4 files changed, 192 insertions(+)
create mode 100644 src/com/android/settings/network/ConnectivityCheckPreferenceController.java
diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index f50d130936..bb95662047 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -229,6 +229,16 @@
<item>259200000</item>
</string-array>
+ <string-array name="connectivity_check_entries">
+ <item>Standard (Google)</item>
+ <item>Disabled</item>
+ </string-array>
+
+ <string-array name="connectivity_check_values" translatable="false">
+ <item>0</item>
+ <item>1</item>
+ </string-array>
+
<!-- Security settings. The delay after screen is turned off until device locks.
These are shown in a list dialog. -->
<string-array name="lock_after_timeout_entries">
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 67c47bc7b3..58b17eeccf 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -691,6 +691,9 @@
<string name="auto_reboot_title">Auto reboot</string>
<string name="auto_reboot_summary">Automatically reboot the device, if the phone hasn\'t been unlocked within the selected number of hours.</string>
+ <string name="connectivity_check_title">Internet connectivity check</string>
+ <string name="connectivity_check_summary">HTTP endpoints to use for performing internet connectivity checks.</string>
+
<!-- Text shown for summary of owner info setting (if none set) [CHAR LIMIT=40]-->
<string name="owner_info_settings_summary">None</string>
<!-- Description of how many characters are used in owner info [CHAR LIMIT=40]-->
diff --git a/src/com/android/settings/network/ConnectivityCheckPreferenceController.java b/src/com/android/settings/network/ConnectivityCheckPreferenceController.java
new file mode 100644
index 0000000000..bf16eb825a
--- /dev/null
+++ b/src/com/android/settings/network/ConnectivityCheckPreferenceController.java
@@ -0,0 +1,176 @@
+/*
+ * 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.settings.network;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.res.Resources;
+import android.database.ContentObserver;
+import android.net.LinkProperties;
+import android.net.Network;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.provider.Settings;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import com.android.internal.util.ArrayUtils;
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
+import com.android.settingslib.RestrictedLockUtilsInternal;
+import com.android.settingslib.core.lifecycle.events.OnResume;
+
+public class ConnectivityCheckPreferenceController
+ extends BasePreferenceController
+ implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener,
+ OnResume {
+
+ // imported defaults from AOSP NetworkStack
+ private static final String STANDARD_HTTPS_URL =
+ "https://www.google.com/generate_204";
+ private static final String STANDARD_HTTP_URL =
+ "http://connectivitycheck.gstatic.com/generate_204";
+ private static final String STANDARD_FALLBACK_URL =
+ "http://www.google.com/gen_204";
+ private static final String STANDARD_OTHER_FALLBACK_URLS =
+ "http://play.googleapis.com/generate_204";
+
+ private static final int STANDARD_CAPTIVE_PORTAL_HTTP_URL_INTVAL = 0;
+ private static final int DISABLED_CAPTIVE_PORTAL_INTVAL = 1;
+
+ private static final String KEY_CONNECTIVITY_CHECK_SETTINGS =
+ "connectivity_check_settings";
+
+ private ListPreference mConnectivityPreference;
+
+ public ConnectivityCheckPreferenceController(Context context) {
+ super(context, KEY_CONNECTIVITY_CHECK_SETTINGS);
+ }
+
+ @Override
+ public int getAvailabilityStatus() {
+ if (isDisabledByAdmin()) {
+ return BasePreferenceController.DISABLED_FOR_USER;
+ }
+ return BasePreferenceController.AVAILABLE;
+ }
+
+ @Override
+ public void displayPreference(PreferenceScreen screen) {
+ ListPreference captiveList = new ListPreference(screen.getContext());
+ captiveList.setKey(KEY_CONNECTIVITY_CHECK_SETTINGS);
+ captiveList.setOrder(30);
+ captiveList.setIcon(R.drawable.ic_settings_language);
+ captiveList.setTitle(R.string.connectivity_check_title);
+ captiveList.setSummary(R.string.connectivity_check_summary);
+ captiveList.setEntries(R.array.connectivity_check_entries);
+ captiveList.setEntryValues(R.array.connectivity_check_values);
+
+ if (mConnectivityPreference == null) {
+ screen.addPreference(captiveList);
+ mConnectivityPreference = captiveList;
+ }
+ super.displayPreference(screen);
+ updatePreferenceState();
+ }
+
+ @Override
+ public String getPreferenceKey() {
+ return KEY_CONNECTIVITY_CHECK_SETTINGS;
+ }
+
+ private void updatePreferenceState() {
+ if (Settings.Global.getInt(mContext.getContentResolver(),
+ Settings.Global.CAPTIVE_PORTAL_MODE, Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT)
+ == Settings.Global.CAPTIVE_PORTAL_MODE_IGNORE) {
+ mConnectivityPreference.setValueIndex(DISABLED_CAPTIVE_PORTAL_INTVAL);
+ return;
+ }
+
+ String pref = Settings.Global.getString(
+ mContext.getContentResolver(), Settings.Global.CAPTIVE_PORTAL_HTTP_URL);
+ if (STANDARD_HTTP_URL.equals(pref)) {
+ mConnectivityPreference.setValueIndex(
+ STANDARD_CAPTIVE_PORTAL_HTTP_URL_INTVAL);
+ }
+ }
+
+ @Override
+ public void onResume() {
+ updatePreferenceState();
+ if (mConnectivityPreference != null) {
+ setCaptivePortalURLs(
+ mContext.getContentResolver(),
+ Integer.parseInt(mConnectivityPreference.getValue()));
+ }
+ }
+
+ private void setCaptivePortalURLs(ContentResolver cr, int mode) {
+ switch (mode) {
+ case STANDARD_CAPTIVE_PORTAL_HTTP_URL_INTVAL:
+ Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
+ STANDARD_HTTP_URL);
+ Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
+ STANDARD_HTTPS_URL);
+ Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
+ STANDARD_FALLBACK_URL);
+ Settings.Global.putString(
+ cr, Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
+ STANDARD_OTHER_FALLBACK_URLS);
+ Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE,
+ Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
+ break;
+ default:
+ // Default URLs as placeholder
+ Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
+ STANDARD_HTTP_URL);
+ Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
+ STANDARD_HTTPS_URL);
+ Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
+ STANDARD_FALLBACK_URL);
+ Settings.Global.putString(
+ cr, Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
+ STANDARD_OTHER_FALLBACK_URLS);
+ Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE,
+ Settings.Global.CAPTIVE_PORTAL_MODE_IGNORE);
+ }
+ }
+
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object value) {
+ final String key = preference.getKey();
+ if (KEY_CONNECTIVITY_CHECK_SETTINGS.equals(key)) {
+ setCaptivePortalURLs(mContext.getContentResolver(),
+ Integer.parseInt((String)value));
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ private EnforcedAdmin getEnforcedAdmin() {
+ return RestrictedLockUtilsInternal.checkIfRestrictionEnforced(
+ mContext, UserManager.DISALLOW_CONFIG_PRIVATE_DNS,
+ UserHandle.myUserId());
+ }
+
+ private boolean isDisabledByAdmin() { return getEnforcedAdmin() != null; }
+}
diff --git a/src/com/android/settings/network/NetworkDashboardFragment.java b/src/com/android/settings/network/NetworkDashboardFragment.java
index 286e4e36e5..2eb788fbd0 100644
--- a/src/com/android/settings/network/NetworkDashboardFragment.java
+++ b/src/com/android/settings/network/NetworkDashboardFragment.java
@@ -119,6 +119,9 @@ public class NetworkDashboardFragment extends DashboardFragment implements
}
controllers.add(privateDnsPreferenceController);
controllers.add(new NetworkProviderCallsSmsController(context, lifecycle));
+ ConnectivityCheckPreferenceController connectivityCheck =
+ new ConnectivityCheckPreferenceController(context);
+ controllers.add(connectivityCheck);
return controllers;
}
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