514 lines
18 KiB
Java
514 lines
18 KiB
Java
/*
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* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
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* Copyright (C) 2010-2014 Thialfihar <thi@thialfihar.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* 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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*
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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.util;
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import java.net.Proxy;
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import java.util.ArrayList;
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import java.util.ListIterator;
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import android.accounts.Account;
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import android.annotation.SuppressLint;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.Editor;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.preference.PreferenceManager;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.Constants.Pref;
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import org.sufficientlysecure.keychain.KeychainApplication;
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import org.sufficientlysecure.keychain.keyimport.HkpKeyserverAddress;
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import org.sufficientlysecure.keychain.service.KeyserverSyncAdapterService;
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/**
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* Singleton Implementation of a Preference Helper
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*/
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@SuppressLint("CommitPrefEdits")
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public class Preferences {
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private static Preferences sPreferences;
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private SharedPreferences mSharedPreferences;
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private static String PREF_FILE_NAME = "APG.main";
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private static int PREF_FILE_MODE = Context.MODE_MULTI_PROCESS;
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public static synchronized Preferences getPreferences(Context context) {
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return getPreferences(context, false);
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}
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public static synchronized Preferences getPreferences(Context context, boolean forceNew) {
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if (sPreferences == null || forceNew) {
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sPreferences = new Preferences(context);
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} else {
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// to make it safe for multiple processes, call getSharedPreferences everytime
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sPreferences.updateSharedPreferences(context);
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}
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return sPreferences;
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}
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private Preferences(Context context) {
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updateSharedPreferences(context);
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}
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/**
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* Makes android's preference framework write to our file instead of default.
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* This allows us to use the xml "persistent" attribute to simplify code, which automatically
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* writes and reads preference values.
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*/
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public static void setPreferenceManagerFileAndMode(PreferenceManager manager) {
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manager.setSharedPreferencesName(PREF_FILE_NAME);
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manager.setSharedPreferencesMode(PREF_FILE_MODE);
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}
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public void updateSharedPreferences(Context context) {
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// multi-process safe preferences
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mSharedPreferences = context.getSharedPreferences(PREF_FILE_NAME, PREF_FILE_MODE);
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}
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public String getLanguage() {
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return mSharedPreferences.getString(Constants.Pref.LANGUAGE, "");
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}
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public void setLanguage(String value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putString(Constants.Pref.LANGUAGE, value);
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editor.commit();
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}
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public boolean getPassphraseCacheSubs() {
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return mSharedPreferences.getBoolean(Pref.PASSPHRASE_CACHE_SUBS, false);
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}
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public int getCacheTtlSeconds() {
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return mSharedPreferences.getInt(Pref.PASSPHRASE_CACHE_LAST_TTL, Integer.MAX_VALUE);
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}
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public void setCacheTtlSeconds(int ttlSeconds) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putInt(Pref.PASSPHRASE_CACHE_LAST_TTL, ttlSeconds);
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editor.commit();
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}
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public boolean getCachedConsolidate() {
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return mSharedPreferences.getBoolean(Pref.CACHED_CONSOLIDATE, false);
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}
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public void setCachedConsolidate(boolean value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Pref.CACHED_CONSOLIDATE, value);
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editor.commit();
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}
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public boolean isFirstTime() {
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return mSharedPreferences.getBoolean(Constants.Pref.FIRST_TIME_WIZARD, true);
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}
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public void setFirstTime(boolean value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Constants.Pref.FIRST_TIME_WIZARD, value);
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editor.commit();
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}
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public boolean isAppExecutedFirstTime() {
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return mSharedPreferences.getBoolean(Pref.FIRST_TIME_APP, true);
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}
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public void setAppExecutedFirstTime(boolean value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Constants.Pref.FIRST_TIME_APP, value);
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editor.commit();
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}
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public ArrayList<HkpKeyserverAddress> getKeyServers() {
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String rawData = mSharedPreferences.getString(Constants.Pref.KEY_SERVERS,
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Constants.Defaults.KEY_SERVERS);
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if ("".equals(rawData)) {
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return new ArrayList<>();
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}
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ArrayList<HkpKeyserverAddress> servers = new ArrayList<>();
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String[] entries = rawData.split(",");
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for (String entry : entries) {
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String[] addresses = entry.trim().split(";");
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String url = addresses[0];
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String onion = addresses.length == 1 ? null : addresses[1];
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if (url.isEmpty()) {
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continue;
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}
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servers.add(HkpKeyserverAddress.createWithOnionProxy(url, onion));
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}
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return servers;
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}
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public HkpKeyserverAddress getPreferredKeyserver() {
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ArrayList<HkpKeyserverAddress> keyservers = getKeyServers();
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return keyservers.size() == 0 ? null : keyservers.get(0);
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}
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public void setKeyServers(ArrayList<HkpKeyserverAddress> keyservers) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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String rawData = "";
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for (HkpKeyserverAddress server : keyservers) {
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if (server.getUrl().isEmpty()) {
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continue;
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}
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rawData += server.getUrl();
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if (server.getOnion() != null && !server.getOnion().isEmpty()) {
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rawData += ";" + server.getOnion();
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}
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if (!"".equals(rawData)) {
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rawData += ",";
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}
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}
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editor.putString(Constants.Pref.KEY_SERVERS, rawData);
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editor.commit();
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}
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public void setFilesUseCompression(boolean compress) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Pref.FILE_USE_COMPRESSION, compress);
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editor.commit();
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}
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public boolean getFilesUseCompression() {
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return mSharedPreferences.getBoolean(Pref.FILE_USE_COMPRESSION, true);
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}
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public void setTextUseCompression(boolean compress) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Pref.TEXT_USE_COMPRESSION, compress);
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editor.commit();
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}
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public boolean getTextUseCompression() {
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return mSharedPreferences.getBoolean(Pref.TEXT_USE_COMPRESSION, true);
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}
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public String getTheme() {
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return mSharedPreferences.getString(Pref.THEME, Pref.Theme.LIGHT);
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}
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public void setTheme(String value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putString(Constants.Pref.THEME, value);
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editor.commit();
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}
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public void setUseArmor(boolean useArmor) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Pref.USE_ARMOR, useArmor);
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editor.commit();
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}
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public boolean useNumKeypadForSecurityTokenPin() {
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return mSharedPreferences.getBoolean(Pref.USE_NUMKEYPAD_FOR_SECURITY_TOKEN_PIN, true);
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}
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public void setUseNumKeypadForSecurityTokenPin(boolean useNumKeypad) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Pref.USE_NUMKEYPAD_FOR_SECURITY_TOKEN_PIN, useNumKeypad);
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editor.commit();
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}
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public boolean getUseArmor() {
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return mSharedPreferences.getBoolean(Pref.USE_ARMOR, false);
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}
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public void setEncryptFilenames(boolean encryptFilenames) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Pref.ENCRYPT_FILENAMES, encryptFilenames);
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editor.commit();
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}
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public boolean getEncryptFilenames() {
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return mSharedPreferences.getBoolean(Pref.ENCRYPT_FILENAMES, true);
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}
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// proxy preference functions start here
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public boolean getUseNormalProxy() {
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return mSharedPreferences.getBoolean(Constants.Pref.USE_NORMAL_PROXY, false);
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}
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public boolean getUseTorProxy() {
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return mSharedPreferences.getBoolean(Constants.Pref.USE_TOR_PROXY, false);
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}
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public String getProxyHost() {
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return mSharedPreferences.getString(Constants.Pref.PROXY_HOST, null);
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}
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/**
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* we store port as String for easy interfacing with EditTextPreference, but return it as an integer
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*
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* @return port number of proxy
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*/
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public int getProxyPort() {
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return Integer.parseInt(mSharedPreferences.getString(Pref.PROXY_PORT, "-1"));
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}
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Proxy.Type getProxyType() {
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final String typeHttp = Pref.ProxyType.TYPE_HTTP;
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final String typeSocks = Pref.ProxyType.TYPE_SOCKS;
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String type = mSharedPreferences.getString(Pref.PROXY_TYPE, typeHttp);
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switch (type) {
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case typeHttp:
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return Proxy.Type.HTTP;
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case typeSocks:
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return Proxy.Type.SOCKS;
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default: // shouldn't happen
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Log.e(Constants.TAG, "Invalid Proxy Type in preferences");
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return null;
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}
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}
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public ParcelableProxy getParcelableProxy() {
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boolean useTor = getUseTorProxy();
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boolean useNormalProxy = getUseNormalProxy();
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if (useTor) {
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//TODO: Replace Constants.Orbot.PROXY_PORT with OrbotStatusReceiver.getProxyPortHttp()
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//TODO: in order to always have the actual port Orbot is offering?
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return new ParcelableProxy(Constants.Orbot.PROXY_HOST, Constants.Orbot.PROXY_PORT,
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Constants.Orbot.PROXY_TYPE, ParcelableProxy.PROXY_MODE_TOR);
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} else if (useNormalProxy) {
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return new ParcelableProxy(getProxyHost(), getProxyPort(), getProxyType(),
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ParcelableProxy.PROXY_MODE_NORMAL);
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} else {
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return new ParcelableProxy(null, -1, null, ParcelableProxy.PROXY_MODE_NORMAL);
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}
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}
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/**
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* @return true if a periodic sync exists and is set to run automatically, false otherwise
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*/
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public static boolean getKeyserverSyncEnabled(Context context) {
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Account account = KeychainApplication.createAccountIfNecessary(context);
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if (account == null) {
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// if the account could not be created for some reason, we can't have a sync
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return false;
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}
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String authority = Constants.PROVIDER_AUTHORITY;
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return ContentResolver.getSyncAutomatically(account, authority) &&
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!ContentResolver.getPeriodicSyncs(account, authority).isEmpty();
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}
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// cloud prefs
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public CloudSearchPrefs getCloudSearchPrefs() {
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return new CloudSearchPrefs(mSharedPreferences.getBoolean(Pref.SEARCH_KEYSERVER, true),
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mSharedPreferences.getBoolean(Pref.SEARCH_KEYBASE, true),
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false,
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getPreferredKeyserver());
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}
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public boolean isKeySignaturesTableInitialized() {
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return mSharedPreferences.getBoolean(Pref.KEY_SIGNATURES_TABLE_INITIALIZED, false);
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}
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public void setKeySignaturesTableInitialized() {
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Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Pref.KEY_SIGNATURES_TABLE_INITIALIZED, true);
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editor.commit();
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}
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public static class CloudSearchPrefs implements Parcelable {
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public final boolean searchKeyserver;
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public final boolean searchKeybase;
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public final boolean searchFacebook;
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public final HkpKeyserverAddress keyserver;
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/**
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* @param searchKeyserver should passed keyserver be searched
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* @param searchKeybase should keybase.io be searched
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* @param keyserver the keyserver url authority to search on
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*/
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public CloudSearchPrefs(boolean searchKeyserver, boolean searchKeybase,
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boolean searchFacebook, HkpKeyserverAddress keyserver) {
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this.searchKeyserver = searchKeyserver;
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this.searchKeybase = searchKeybase;
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this.searchFacebook = searchFacebook;
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this.keyserver = keyserver;
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}
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protected CloudSearchPrefs(Parcel in) {
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searchKeyserver = in.readByte() != 0x00;
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searchKeybase = in.readByte() != 0x00;
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searchFacebook = in.readByte() != 0x00;
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keyserver = in.readParcelable(HkpKeyserverAddress.class.getClassLoader());
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}
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public void writeToParcel(Parcel dest, int flags) {
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dest.writeByte((byte) (searchKeyserver ? 0x01 : 0x00));
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dest.writeByte((byte) (searchKeybase ? 0x01 : 0x00));
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dest.writeByte((byte) (searchFacebook ? 0x01 : 0x00));
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dest.writeParcelable(keyserver, flags);
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}
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public static final Parcelable.Creator<CloudSearchPrefs> CREATOR
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= new Parcelable.Creator<CloudSearchPrefs>() {
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@Override
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public CloudSearchPrefs createFromParcel(Parcel in) {
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return new CloudSearchPrefs(in);
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}
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@Override
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public CloudSearchPrefs[] newArray(int size) {
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return new CloudSearchPrefs[size];
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}
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};
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}
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// sync preferences
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public boolean getWifiOnlySync() {
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return mSharedPreferences.getBoolean(Pref.ENABLE_WIFI_SYNC_ONLY, true);
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}
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// experimental prefs
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public boolean getExperimentalEnableWordConfirm() {
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return mSharedPreferences.getBoolean(Pref.EXPERIMENTAL_ENABLE_WORD_CONFIRM, false);
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}
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public boolean getExperimentalEnableLinkedIdentities() {
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return mSharedPreferences.getBoolean(Pref.EXPERIMENTAL_ENABLE_LINKED_IDENTITIES, false);
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}
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public boolean getExperimentalEnableKeybase() {
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return mSharedPreferences.getBoolean(Pref.EXPERIMENTAL_ENABLE_KEYBASE, false);
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}
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public boolean getExperimentalUsbAllowUntested() {
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return mSharedPreferences.getBoolean(Pref.EXPERIMENTAL_USB_ALLOW_UNTESTED, false);
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}
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public boolean getExperimentalSmartPGPAuthoritiesEnable() {
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return mSharedPreferences.getBoolean(Pref.EXPERIMENTAL_SMARTPGP_VERIFY_AUTHORITY, false);
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}
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public void setPrefVersionToCurrentVersion() {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putInt(Pref.PREF_VERSION, Constants.Defaults.PREF_CURRENT_VERSION);
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editor.commit();
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}
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public void upgradePreferences(Context context) {
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Log.d(Constants.TAG, "Upgrading preferences…");
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int oldVersion = mSharedPreferences.getInt(Constants.Pref.PREF_VERSION, 0);
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boolean requiresUpgrade = oldVersion < Constants.Defaults.PREF_CURRENT_VERSION;
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if (requiresUpgrade) {
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switch (oldVersion) {
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case 1:
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// fall through
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case 2:
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// fall through
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case 3: {
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// migrate keyserver to hkps
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ArrayList<HkpKeyserverAddress> servers = getKeyServers();
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ListIterator<HkpKeyserverAddress> it = servers.listIterator();
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while (it.hasNext()) {
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HkpKeyserverAddress server = it.next();
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if (server == null) {
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continue;
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}
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switch (server.getUrl()) {
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case "pool.sks-keyservers.net": {
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// use HKPS!
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it.set(HkpKeyserverAddress.createFromUri("hkps://hkps.pool.sks-keyservers.net"));
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break;
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}
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case "pgp.mit.edu": {
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// use HKPS!
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it.set(HkpKeyserverAddress.createFromUri("hkps://pgp.mit.edu"));
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break;
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}
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case "subkeys.pgp.net": {
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// remove, because often down and no HKPS!
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it.remove();
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break;
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}
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}
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}
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setKeyServers(servers);
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}
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// fall through
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case 4: {
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setTheme(Constants.Pref.Theme.DEFAULT);
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}
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// fall through
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case 5: {
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KeyserverSyncAdapterService.enableKeyserverSync(context);
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}
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// fall through
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case 6: {
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}
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// fall through
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case 7: {
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// add onion address to sks-keyservers.net
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ArrayList<HkpKeyserverAddress> servers = getKeyServers();
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ListIterator<HkpKeyserverAddress> it = servers.listIterator();
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while (it.hasNext()) {
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HkpKeyserverAddress server = it.next();
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if (server == null) {
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continue;
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}
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if ("hkps://hkps.pool.sks-keyservers.net".equals(server.getUrl())) {
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it.set(HkpKeyserverAddress.createWithOnionProxy(
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"hkps://hkps.pool.sks-keyservers.net",
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"hkp://jirk5u4osbsr34t5.onion"));
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}
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}
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setKeyServers(servers);
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}
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}
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// write new preference version
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mSharedPreferences.edit()
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.putInt(Constants.Pref.PREF_VERSION, Constants.Defaults.PREF_CURRENT_VERSION)
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.commit();
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}
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}
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public void clear() {
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mSharedPreferences.edit().clear().commit();
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}
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}
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