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/*
* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
*
* 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 org.sufficientlysecure.keychain.helper;
import android.content.Context;
import android.content.SharedPreferences;
import org.spongycastle.bcpg.HashAlgorithmTags;
import org.spongycastle.openpgp.PGPEncryptedData;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.Id;
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);
}
return sPreferences;
}
private Preferences(Context context) {
mSharedPreferences = context.getSharedPreferences("APG.main", Context.MODE_PRIVATE);
}
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 int getDefaultEncryptionAlgorithm() {
return mSharedPreferences.getInt(Constants.Pref.DEFAULT_ENCRYPTION_ALGORITHM,
PGPEncryptedData.AES_256);
}
public void setDefaultEncryptionAlgorithm(int value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putInt(Constants.Pref.DEFAULT_ENCRYPTION_ALGORITHM, value);
editor.commit();
}
public int getDefaultHashAlgorithm() {
return mSharedPreferences.getInt(Constants.Pref.DEFAULT_HASH_ALGORITHM,
HashAlgorithmTags.SHA512);
}
public void setDefaultHashAlgorithm(int value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putInt(Constants.Pref.DEFAULT_HASH_ALGORITHM, value);
editor.commit();
}
public int getDefaultMessageCompression() {
return mSharedPreferences.getInt(Constants.Pref.DEFAULT_MESSAGE_COMPRESSION,
Id.choice.compression.zlib);
}
public void setDefaultMessageCompression(int value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putInt(Constants.Pref.DEFAULT_MESSAGE_COMPRESSION, value);
editor.commit();
}
public int getDefaultFileCompression() {
return mSharedPreferences.getInt(Constants.Pref.DEFAULT_FILE_COMPRESSION,
Id.choice.compression.none);
}
public void setDefaultFileCompression(int value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putInt(Constants.Pref.DEFAULT_FILE_COMPRESSION, value);
editor.commit();
}
public boolean getDefaultAsciiArmor() {
return mSharedPreferences.getBoolean(Constants.Pref.DEFAULT_ASCII_ARMOR, false);
}
public void setDefaultAsciiArmor(boolean value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putBoolean(Constants.Pref.DEFAULT_ASCII_ARMOR, value);
editor.commit();
}
public boolean getForceV3Signatures() {
return mSharedPreferences.getBoolean(Constants.Pref.FORCE_V3_SIGNATURES, false);
}
public void setForceV3Signatures(boolean value) {
SharedPreferences.Editor editor = mSharedPreferences.edit();
editor.putBoolean(Constants.Pref.FORCE_V3_SIGNATURES, value);
editor.commit();
}
public String[] getKeyServers() {
String rawData = mSharedPreferences.getString(Constants.Pref.KEY_SERVERS,
Constants.Defaults.KEY_SERVERS);
Vector<String> servers = new Vector<String>();
String chunks[] = rawData.split(",");
for (String c : chunks) {
String tmp = c.trim();
if (tmp.length() > 0) {
servers.add(tmp);
}
}
return servers.toArray(chunks);
}
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();
}
}
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