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/*
* Copyright (C) 2012-2014 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2010-2014 Thialfihar <thi@thialfihar.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.util;
import android.content.Context;
import android.content.SharedPreferences;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.Constants.Pref;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.ListIterator;
import java.util.Vector;
/**
* Singleton Implementation of a Preference Helper
*/
public class Preferences {
private static Preferences sPreferences;
private SharedPreferences mSharedPreferences;
public static synchronized Preferences getPreferences(Context context) {
return getPreferences(context, false);
}
public static synchronized Preferences getPreferences(Context context, boolean forceNew) {
if (sPreferences == null || forceNew) {
sPreferences = new Preferences(context);
} else {
// to make it safe for multiple processes, call getSharedPreferences everytime
sPreferences.updateSharedPreferences(context);
}
return sPreferences;
}
private Preferences(Context context) {
updateSharedPreferences(context);
}
public void updateSharedPreferences(Context context) {
// multi-process safe preferences
mSharedPreferences = context.getSharedPreferences("APG.main", Context.MODE_MULTI_PROCESS);
}
public String getLanguage() {
return mSharedPreferences.getString(Constants.Pref.LANGUAGE, "");
}
public void setLanguage(String value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putString(Constants.Pref.LANGUAGE, value);
editor.commit();
}
public long getPassphraseCacheTtl() {
int ttl = mSharedPreferences.getInt(Constants.Pref.PASSPHRASE_CACHE_TTL, 180);
// fix the value if it was set to "never" in previous versions, which currently is not
// supported
if (ttl == 0) {
ttl = 180;
}
return (long) ttl;
}
public void setPassphraseCacheTtl(int value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putInt(Constants.Pref.PASSPHRASE_CACHE_TTL, value);
editor.commit();
}
public boolean getPassphraseCacheSubs() {
return mSharedPreferences.getBoolean(Pref.PASSPHRASE_CACHE_SUBS, false);
}
public void setPassphraseCacheSubs(boolean value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putBoolean(Pref.PASSPHRASE_CACHE_SUBS, value);
editor.commit();
}
public boolean getCachedConsolidate() {
return mSharedPreferences.getBoolean(Pref.CACHED_CONSOLIDATE, false);
}
public void setCachedConsolidate(boolean value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putBoolean(Pref.CACHED_CONSOLIDATE, value);
editor.commit();
}
public boolean isFirstTime() {
return mSharedPreferences.getBoolean(Constants.Pref.FIRST_TIME, true);
}
public boolean useDefaultYubikeyPin() {
return mSharedPreferences.getBoolean(Pref.USE_DEFAULT_YUBIKEY_PIN, false);
}
public void setUseDefaultYubikeyPin(boolean useDefaultYubikeyPin) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putBoolean(Pref.USE_DEFAULT_YUBIKEY_PIN, useDefaultYubikeyPin);
editor.commit();
}
public boolean useNumKeypadForYubikeyPin() {
return mSharedPreferences.getBoolean(Pref.USE_NUMKEYPAD_FOR_YUBIKEY_PIN, true);
}
public void setUseNumKeypadForYubikeyPin(boolean useNumKeypadForYubikeyPin) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putBoolean(Pref.USE_NUMKEYPAD_FOR_YUBIKEY_PIN, useNumKeypadForYubikeyPin);
editor.commit();
}
public void setFirstTime(boolean value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putBoolean(Constants.Pref.FIRST_TIME, value);
editor.commit();
}
public String[] getKeyServers() {
String rawData = mSharedPreferences.getString(Constants.Pref.KEY_SERVERS,
Constants.Defaults.KEY_SERVERS);
Vector<String> servers = new Vector<>();
String chunks[] = rawData.split(",");
for (String c : chunks) {
String tmp = c.trim();
if (tmp.length() > 0) {
servers.add(tmp);
}
}
return servers.toArray(chunks);
}
public String getPreferredKeyserver() {
return getKeyServers()[0];
}
public void setKeyServers(String[] value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
String rawData = "";
for (String v : value) {
String tmp = v.trim();
if (tmp.length() == 0) {
continue;
}
if (!"".equals(rawData)) {
rawData += ",";
}
rawData += tmp;
}
editor.putString(Constants.Pref.KEY_SERVERS, rawData);
editor.commit();
}
public void setSearchKeyserver(boolean searchKeyserver) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putBoolean(Pref.SEARCH_KEYSERVER, searchKeyserver);
editor.commit();
}
public void setSearchKeybase(boolean searchKeybase) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putBoolean(Pref.SEARCH_KEYBASE, searchKeybase);
editor.commit();
}
public CloudSearchPrefs getCloudSearchPrefs() {
return new CloudSearchPrefs(mSharedPreferences.getBoolean(Pref.SEARCH_KEYSERVER, true),
mSharedPreferences.getBoolean(Pref.SEARCH_KEYBASE, true),
getPreferredKeyserver());
}
public static class CloudSearchPrefs {
public final boolean searchKeyserver;
public final boolean searchKeybase;
public final String keyserver;
public CloudSearchPrefs(boolean searchKeyserver, boolean searchKeybase, String keyserver) {
this.searchKeyserver = searchKeyserver;
this.searchKeybase = searchKeybase;
this.keyserver = keyserver;
}
}
public void updatePreferences() {
if (mSharedPreferences.getInt(Constants.Pref.PREF_DEFAULT_VERSION, 0) !=
Constants.Defaults.PREF_VERSION) {
switch (mSharedPreferences.getInt(Constants.Pref.PREF_DEFAULT_VERSION, 0)) {
case 1:
// fall through
case 2:
// fall through
case 3: {
// migrate keyserver to hkps
String[] serversArray = getKeyServers();
ArrayList<String> servers = new ArrayList<>(Arrays.asList(serversArray));
ListIterator<String> it = servers.listIterator();
while (it.hasNext()) {
String server = it.next();
if (server == null) {
continue;
}
if (server.equals("pool.sks-keyservers.net")) {
// use HKPS!
it.set("hkps://hkps.pool.sks-keyservers.net");
} else if (server.equals("pgp.mit.edu")) {
// use HKPS!
it.set("hkps://pgp.mit.edu");
} else if (server.equals("subkeys.pgp.net")) {
// remove, because often down and no HKPS!
it.remove();
}
}
setKeyServers(servers.toArray(new String[servers.size()]));
}
// fall through
case 4: {
}
}
// write new preference version
mSharedPreferences.edit()
.putInt(Constants.Pref.PREF_DEFAULT_VERSION, Constants.Defaults.PREF_VERSION)
.commit();
}
}
}
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