340 lines
16 KiB
Java
340 lines
16 KiB
Java
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/*
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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.network;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.res.Resources;
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import android.database.ContentObserver;
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import android.net.LinkProperties;
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import android.net.Network;
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import android.os.Handler;
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import android.os.Looper;
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import android.os.UserHandle;
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import android.os.UserManager;
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import android.provider.Settings;
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import androidx.preference.ListPreference;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.internal.util.ArrayUtils;
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import com.android.settings.R;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settings.core.PreferenceControllerMixin;
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import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
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import com.android.settingslib.RestrictedLockUtilsInternal;
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import com.android.settingslib.core.lifecycle.events.OnResume;
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public class ConnectivityCheckPreferenceController
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extends BasePreferenceController
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implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener,
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OnResume {
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// imported defaults from AOSP NetworkStack
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private static final String STANDARD_HTTPS_URL =
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"http://captiveportal.kuketz.de/generate_204";
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private static final String STANDARD_HTTP_URL =
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"http://captiveportal.kuketz.de/generate_204";
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private static final String STANDARD_FALLBACK_URL =
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"http://captiveportal.kuketz.de/gen_204";
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private static final String STANDARD_OTHER_FALLBACK_URLS =
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"http://captiveportal.kuketz.de/generate_204";
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// GrapheneOS
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private static final String GRAPHENEOS_CAPTIVE_PORTAL_HTTPS_URL =
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"https://connectivitycheck.grapheneos.network/generate_204";
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private static final String GRAPHENEOS_CAPTIVE_PORTAL_HTTP_URL =
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"http://connectivitycheck.grapheneos.network/generate_204";
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private static final String GRAPHENEOS_CAPTIVE_PORTAL_FALLBACK_URL =
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"http://grapheneos.online/gen_204";
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private static final String GRAPHENEOS_CAPTIVE_PORTAL_OTHER_FALLBACK_URL =
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"http://grapheneos.online/generate_204";
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// DivestOS
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private static final String DIVESTOS_HTTPS_URL =
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"https://divestos.org/generate_204";
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private static final String DIVESTOS_HTTP_URL =
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"http://divestos.org/generate_204";
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// openSUSE
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private static final String OPENSUSE_HTTPS_URL =
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"https://conncheck.opensuse.org";
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private static final String OPENSUSE_HTTP_URL =
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"http://conncheck.opensuse.org";
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// Ubuntu
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private static final String UBUNTU_HTTPS_URL =
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"https://connectivity-check.ubuntu.com";
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private static final String UBUNTU_HTTP_URL =
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"http://connectivity-check.ubuntu.com";
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// Amazon Fire OS
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private static final String AMAZON_HTTPS_URL =
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"https://fireoscaptiveportal.com/generate_204";
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private static final String AMAZON_HTTP_URL =
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"http://fireoscaptiveportal.com/generate_204";
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// Microsoft Edge
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private static final String MICROSOFT_HTTP_URL =
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"http://edge-http.microsoft.com/captiveportal/generate_204";
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// Kuketz, https://www.kuketz-blog.de/android-captive-portal-check-204-http-antwort-von-captiveportal-kuketz-de/
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private static final String KUKETZ_HTTPS_URL =
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"https://captiveportal.kuketz.de";
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private static final String KUKETZ_HTTP_URL =
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"http://captiveportal.kuketz.de";
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private static final int DISABLED_CAPTIVE_PORTAL_INTVAL = 0;
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private static final int STANDARD_CAPTIVE_PORTAL_HTTP_URL_INTVAL = 1;
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private static final int GRAPHENEOS_CAPTIVE_PORTAL_HTTP_URL_INTVAL = 2;
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private static final int DIVESTOS_CAPTIVE_PORTAL_HTTP_URL_INTVAL = 3;
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private static final int OPENSUSE_CAPTIVE_PORTAL_HTTP_URL_INTVAL = 4;
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private static final int UBUNTU_CAPTIVE_PORTAL_HTTP_URL_INTVAL = 5;
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private static final int AMAZON_CAPTIVE_PORTAL_HTTP_URL_INTVAL = 6;
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private static final int MICROSOFT_CAPTIVE_PORTAL_HTTP_URL_INTVAL = 7;
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private static final int KUKETZ_CAPTIVE_PORTAL_HTTP_URL_INTVAL = 8;
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private static final String KEY_CONNECTIVITY_CHECK_SETTINGS =
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"connectivity_check_settings";
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private ListPreference mConnectivityPreference;
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public ConnectivityCheckPreferenceController(Context context) {
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super(context, KEY_CONNECTIVITY_CHECK_SETTINGS);
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}
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@Override
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public int getAvailabilityStatus() {
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if (isDisabledByAdmin()) {
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return BasePreferenceController.DISABLED_FOR_USER;
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}
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return BasePreferenceController.AVAILABLE;
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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ListPreference captiveList = new ListPreference(screen.getContext());
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captiveList.setKey(KEY_CONNECTIVITY_CHECK_SETTINGS);
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captiveList.setOrder(30);
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captiveList.setIcon(R.drawable.ic_settings_language);
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captiveList.setTitle(R.string.connectivity_check_title);
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captiveList.setSummary(R.string.connectivity_check_summary);
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captiveList.setEntries(R.array.connectivity_check_entries);
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captiveList.setEntryValues(R.array.connectivity_check_values);
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if (mConnectivityPreference == null) {
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screen.addPreference(captiveList);
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mConnectivityPreference = captiveList;
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}
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super.displayPreference(screen);
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updatePreferenceState();
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}
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@Override
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public String getPreferenceKey() {
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return KEY_CONNECTIVITY_CHECK_SETTINGS;
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}
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private void updatePreferenceState() {
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if (Settings.Global.getInt(mContext.getContentResolver(),
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Settings.Global.CAPTIVE_PORTAL_MODE, Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT)
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== Settings.Global.CAPTIVE_PORTAL_MODE_IGNORE) {
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mConnectivityPreference.setValueIndex(DISABLED_CAPTIVE_PORTAL_INTVAL);
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return;
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}
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String pref = Settings.Global.getString(
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mContext.getContentResolver(), Settings.Global.CAPTIVE_PORTAL_HTTP_URL);
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if (STANDARD_HTTP_URL.equals(pref)) {
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mConnectivityPreference.setValueIndex(
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STANDARD_CAPTIVE_PORTAL_HTTP_URL_INTVAL);
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} else if (GRAPHENEOS_CAPTIVE_PORTAL_HTTP_URL.equals(pref)) {
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mConnectivityPreference.setValueIndex(
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GRAPHENEOS_CAPTIVE_PORTAL_HTTP_URL_INTVAL);
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} else if (DIVESTOS_HTTP_URL.equals(pref)) {
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mConnectivityPreference.setValueIndex(
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DIVESTOS_CAPTIVE_PORTAL_HTTP_URL_INTVAL);
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} else if (OPENSUSE_HTTP_URL.equals(pref)) {
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mConnectivityPreference.setValueIndex(
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OPENSUSE_CAPTIVE_PORTAL_HTTP_URL_INTVAL);
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} else if (UBUNTU_HTTP_URL.equals(pref)) {
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mConnectivityPreference.setValueIndex(
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UBUNTU_CAPTIVE_PORTAL_HTTP_URL_INTVAL);
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} else if (AMAZON_HTTP_URL.equals(pref)) {
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mConnectivityPreference.setValueIndex(
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AMAZON_CAPTIVE_PORTAL_HTTP_URL_INTVAL);
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} else if (MICROSOFT_HTTP_URL.equals(pref)) {
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mConnectivityPreference.setValueIndex(
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MICROSOFT_CAPTIVE_PORTAL_HTTP_URL_INTVAL);
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} else if (KUKETZ_HTTP_URL.equals(pref)) {
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mConnectivityPreference.setValueIndex(
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KUKETZ_CAPTIVE_PORTAL_HTTP_URL_INTVAL);
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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 (mConnectivityPreference != null) {
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setCaptivePortalURLs(
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mContext.getContentResolver(),
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Integer.parseInt(mConnectivityPreference.getValue()));
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}
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}
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private void setCaptivePortalURLs(ContentResolver cr, int mode) {
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switch (mode) {
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case STANDARD_CAPTIVE_PORTAL_HTTP_URL_INTVAL:
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
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STANDARD_HTTP_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
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STANDARD_HTTPS_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
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STANDARD_FALLBACK_URL);
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Settings.Global.putString(
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cr, Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
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STANDARD_OTHER_FALLBACK_URLS);
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Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE,
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Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
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break;
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case GRAPHENEOS_CAPTIVE_PORTAL_HTTP_URL_INTVAL:
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
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GRAPHENEOS_CAPTIVE_PORTAL_HTTP_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
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GRAPHENEOS_CAPTIVE_PORTAL_HTTPS_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
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GRAPHENEOS_CAPTIVE_PORTAL_FALLBACK_URL);
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Settings.Global.putString(
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cr, Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
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GRAPHENEOS_CAPTIVE_PORTAL_OTHER_FALLBACK_URL);
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Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE,
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Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
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break;
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case DIVESTOS_CAPTIVE_PORTAL_HTTP_URL_INTVAL:
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
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DIVESTOS_HTTP_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
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DIVESTOS_HTTPS_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
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DIVESTOS_HTTP_URL);
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Settings.Global.putString(
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cr, Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
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DIVESTOS_HTTP_URL);
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Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE,
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Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
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break;
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case OPENSUSE_CAPTIVE_PORTAL_HTTP_URL_INTVAL:
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
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OPENSUSE_HTTP_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
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OPENSUSE_HTTPS_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
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OPENSUSE_HTTP_URL);
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Settings.Global.putString(
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cr, Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
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OPENSUSE_HTTP_URL);
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Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE,
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Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
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break;
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case UBUNTU_CAPTIVE_PORTAL_HTTP_URL_INTVAL:
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
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UBUNTU_HTTP_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
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UBUNTU_HTTPS_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
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UBUNTU_HTTP_URL);
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Settings.Global.putString(
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cr, Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
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UBUNTU_HTTP_URL);
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Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE,
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Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
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break;
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case AMAZON_CAPTIVE_PORTAL_HTTP_URL_INTVAL:
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
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AMAZON_HTTP_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
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AMAZON_HTTPS_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
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AMAZON_HTTP_URL);
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Settings.Global.putString(
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cr, Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
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AMAZON_HTTP_URL);
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Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE,
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Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
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break;
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case MICROSOFT_CAPTIVE_PORTAL_HTTP_URL_INTVAL:
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
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MICROSOFT_HTTP_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
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MICROSOFT_HTTP_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
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MICROSOFT_HTTP_URL);
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Settings.Global.putString(
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cr, Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
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MICROSOFT_HTTP_URL);
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Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE,
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Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
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break;
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case KUKETZ_CAPTIVE_PORTAL_HTTP_URL_INTVAL:
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
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KUKETZ_HTTP_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
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KUKETZ_HTTPS_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
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KUKETZ_HTTP_URL);
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Settings.Global.putString(
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cr, Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
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KUKETZ_HTTP_URL);
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Settings.Global.putInt(cr, Settings.Global.CAPTIVE_PORTAL_MODE,
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Settings.Global.CAPTIVE_PORTAL_MODE_PROMPT);
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break;
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default:
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// Default URLs as placeholder
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
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STANDARD_HTTP_URL);
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Settings.Global.putString(cr, Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
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STANDARD_HTTPS_URL);
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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; }
|
||
|
|
}
|