/* Copyright (C) 2017-2024 Alberto, Andreas Shimokawa, Carsten Pfeiffer,
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Daniele Gobbetti, Joel Beckmeyer, José Rebelo, Taavi Eomäe
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.util;
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import android.content.SharedPreferences;
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import android.util.Xml;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlSerializer;
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import java.io.File;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.Reader;
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import java.io.Writer;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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import nodomain.freeyourgadget.gadgetbridge.activities.devicesettings.DeviceSettingsPreferenceConst;
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import nodomain.freeyourgadget.gadgetbridge.devices.garmin.GarminPreferences;
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import nodomain.freeyourgadget.gadgetbridge.devices.huami.HuamiConst;
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import nodomain.freeyourgadget.gadgetbridge.devices.test.TestDeviceConst;
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@Deprecated // use JsonBackupPreferences
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public class ImportExportSharedPreferences {
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private static final Logger LOG = LoggerFactory.getLogger(ImportExportSharedPreferences.class);
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private static final String BOOLEAN = Boolean.class.getSimpleName();
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private static final String FLOAT = Float.class.getSimpleName();
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private static final String INTEGER = Integer.class.getSimpleName();
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private static final String LONG = Long.class.getSimpleName();
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private static final String STRING = String.class.getSimpleName();
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private static final String HASHSET = HashSet.class.getSimpleName();
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private static final String NAME = "name";
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private static final String PREFERENCES = "preferences";
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public static void exportToFile(SharedPreferences sharedPreferences, File outFile) throws IOException {
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try (FileWriter outputWriter = new FileWriter(outFile)) {
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export(sharedPreferences, outputWriter);
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}
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}
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public static void export(SharedPreferences sharedPreferences, Writer writer) throws IOException {
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XmlSerializer serializer = Xml.newSerializer();
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serializer.setOutput(writer);
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serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
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serializer.startDocument("UTF-8", true);
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serializer.startTag("", PREFERENCES);
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for (Map.Entry<String, ?> entry : sharedPreferences.getAll().entrySet()) {
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String key = entry.getKey();
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Object valueObject = entry.getValue();
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// Skip this entry if the value is null;
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if (valueObject == null) continue;
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String valueType = valueObject.getClass().getSimpleName();
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String value = valueObject.toString();
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serializer.startTag("", valueType);
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serializer.attribute("", NAME, key);
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serializer.text(value);
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serializer.endTag("", valueType);
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}
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serializer.endTag("", PREFERENCES);
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serializer.endDocument();
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}
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public static boolean importFromFile(SharedPreferences sharedPreferences, File inFile)
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throws Exception {
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return importFromReader(sharedPreferences, new FileReader(inFile));
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}
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public static boolean importFromReader(SharedPreferences sharedPreferences, Reader in)
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throws Exception {
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SharedPreferences.Editor editor = sharedPreferences.edit();
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editor.clear();
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XmlPullParser parser = Xml.newPullParser();
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parser.setInput(in);
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int eventType = parser.getEventType();
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String name = null;
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String key = null;
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while (eventType != XmlPullParser.END_DOCUMENT) {
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switch (eventType) {
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case XmlPullParser.START_TAG:
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name = parser.getName();
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key = parser.getAttributeValue("", NAME);
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break;
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case XmlPullParser.TEXT:
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// The parser is reading text outside an element if name is null,
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// so simply ignore this text part (which is usually something like '\n')
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if (name == null) break;
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String text = parser.getText();
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if (BOOLEAN.equals(name)) {
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editor.putBoolean(key, Boolean.parseBoolean(text));
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} else if (FLOAT.equals(name)) {
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editor.putFloat(key, Float.parseFloat(text));
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} else if (INTEGER.equals(name)) {
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editor.putInt(key, Integer.parseInt(text));
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} else if (LONG.equals(name)) {
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editor.putLong(key, Long.parseLong(text));
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} else if (STRING.equals(name)) {
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editor.putString(key, text);
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} else if (HASHSET.equals(name)) {
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// FIXME: We can only deserialize values that are guaranteed to not contain commas,
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// spaces at the end or start, square brackets
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switch (key) {
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case GBPrefs.PACKAGE_BLACKLIST:
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GBApplication.setAppsNotifBlackList(stringToSet(text), editor);
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break;
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case GBPrefs.PACKAGE_PEBBLEMSG_BLACKLIST:
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GBApplication.setAppsPebbleBlackList(stringToSet(text), editor);
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break;
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// @array/device_action_values
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case DeviceSettingsPreferenceConst.PREF_DEVICE_ACTION_FELL_SLEEP_SELECTIONS:
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case DeviceSettingsPreferenceConst.PREF_DEVICE_ACTION_START_NON_WEAR_SELECTIONS:
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case DeviceSettingsPreferenceConst.PREF_DEVICE_ACTION_WOKE_UP_SELECTIONS:
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// GarminCapability enum
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case GarminPreferences.PREF_GARMIN_CAPABILITIES:
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// mac addresses
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case "dashboard_devices_multiselect":
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case GBPrefs.LAST_DEVICE_ADDRESSES:
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// display items
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case "bip_display_items":
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case "cor_display_items":
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case "mi2_display_items":
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case "miband3_display_items":
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case HuamiConst.PREF_DISPLAY_ITEMS:
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// @array/pref_amazfitneo_sounds_values
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case DeviceSettingsPreferenceConst.PREF_SOUNDS:
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// TestFeature enum
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case TestDeviceConst.PREF_TEST_FEATURES:
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// Ignored due to unsafe values
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//case GBPrefs.CALENDAR_BLACKLIST: // user-controlled names
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//case LoyaltyCardsSettingsConst.LOYALTY_CARDS_SYNC_GROUPS: // user-controlled names
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//case MiBandConst.PREF_MIBAND_ALARMS: // unknown potential values
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//case "casio_features_current_values": // unknown potential values
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editor.putStringSet(key, stringToSet(text));
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break;
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default:
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LOG.warn("Unknown hashset preference {}, will not import", key);
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}
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} else if (!PREFERENCES.equals(name)) {
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throw new Exception("Unknown type " + name + " for pref " + key);
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}
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break;
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case XmlPullParser.END_TAG:
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name = null;
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break;
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}
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eventType = parser.next();
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}
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return editor.commit();
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}
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private static Set<String> stringToSet(final String text) {
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final Set<String> ret = new HashSet<>();
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final String[] split = text.replace("[", "")
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.replace("]", "")
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.split(",");
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for (final String s : split) {
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ret.add(s.trim());
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}
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return ret;
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}
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}
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