881a50207a
Conflicts: .gitmodules OpenKeychain/build.gradle OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java extern/openpgp-api-lib settings.gradle
208 lines
7.4 KiB
Java
208 lines
7.4 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.helper;
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import android.content.Context;
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import android.content.SharedPreferences;
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import org.spongycastle.bcpg.CompressionAlgorithmTags;
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import org.spongycastle.bcpg.HashAlgorithmTags;
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import org.spongycastle.openpgp.PGPEncryptedData;
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import org.sufficientlysecure.keychain.Constants;
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import java.util.Vector;
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/**
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* Singleton Implementation of a Preference Helper
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*/
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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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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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}
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return sPreferences;
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}
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private Preferences(Context context) {
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mSharedPreferences = context.getSharedPreferences("APG.main", Context.MODE_PRIVATE);
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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 long getPassphraseCacheTtl() {
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int ttl = mSharedPreferences.getInt(Constants.Pref.PASSPHRASE_CACHE_TTL, 180);
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// fix the value if it was set to "never" in previous versions, which currently is not
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// supported
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if (ttl == 0) {
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ttl = 180;
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}
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return (long) ttl;
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}
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public void setPassphraseCacheTtl(int value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putInt(Constants.Pref.PASSPHRASE_CACHE_TTL, value);
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editor.commit();
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}
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public int getDefaultEncryptionAlgorithm() {
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return mSharedPreferences.getInt(Constants.Pref.DEFAULT_ENCRYPTION_ALGORITHM,
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PGPEncryptedData.AES_256);
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}
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public void setDefaultEncryptionAlgorithm(int value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putInt(Constants.Pref.DEFAULT_ENCRYPTION_ALGORITHM, value);
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editor.commit();
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}
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public int getDefaultHashAlgorithm() {
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return mSharedPreferences.getInt(Constants.Pref.DEFAULT_HASH_ALGORITHM,
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HashAlgorithmTags.SHA512);
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}
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public void setDefaultHashAlgorithm(int value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putInt(Constants.Pref.DEFAULT_HASH_ALGORITHM, value);
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editor.commit();
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}
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public int getDefaultMessageCompression() {
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return mSharedPreferences.getInt(Constants.Pref.DEFAULT_MESSAGE_COMPRESSION,
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CompressionAlgorithmTags.ZLIB);
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}
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public void setDefaultMessageCompression(int value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putInt(Constants.Pref.DEFAULT_MESSAGE_COMPRESSION, value);
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editor.commit();
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}
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public int getDefaultFileCompression() {
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return mSharedPreferences.getInt(Constants.Pref.DEFAULT_FILE_COMPRESSION,
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CompressionAlgorithmTags.UNCOMPRESSED);
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}
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public void setDefaultFileCompression(int value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putInt(Constants.Pref.DEFAULT_FILE_COMPRESSION, value);
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editor.commit();
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}
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public boolean getDefaultAsciiArmor() {
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return mSharedPreferences.getBoolean(Constants.Pref.DEFAULT_ASCII_ARMOR, false);
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}
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public void setDefaultAsciiArmor(boolean value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Constants.Pref.DEFAULT_ASCII_ARMOR, 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, 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, value);
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editor.commit();
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}
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public String[] 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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Vector<String> servers = new Vector<String>();
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String chunks[] = rawData.split(",");
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for (String c : chunks) {
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String tmp = c.trim();
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if (tmp.length() > 0) {
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servers.add(tmp);
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}
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}
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return servers.toArray(chunks);
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}
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public void setKeyServers(String[] value) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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String rawData = "";
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for (String v : value) {
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String tmp = v.trim();
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if (tmp.length() == 0) {
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continue;
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}
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if (!"".equals(rawData)) {
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rawData += ",";
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}
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rawData += tmp;
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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 updatePreferences() {
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// migrate keyserver to hkps
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if (mSharedPreferences.getInt(Constants.Pref.KEY_SERVERS_DEFAULT_VERSION, 0) !=
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Constants.Defaults.KEY_SERVERS_VERSION) {
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String[] servers = getKeyServers();
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for (int i = 0; i < servers.length; i++) {
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if (servers[i].equals("pool.sks-keyservers.net")) {
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servers[i] = "hkps://hkps.pool.sks-keyservers.net";
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} else if (servers[i].equals("pgp.mit.edu")) {
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servers[i] = "hkps://pgp.mit.edu";
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}
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}
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setKeyServers(servers);
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mSharedPreferences.edit()
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.putInt(Constants.Pref.KEY_SERVERS_DEFAULT_VERSION, Constants.Defaults.KEY_SERVERS_VERSION)
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.commit();
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}
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// migrate old uncompressed constant to new one
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if (mSharedPreferences.getInt(Constants.Pref.DEFAULT_FILE_COMPRESSION, 0) == 0x21070001) {
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setDefaultFileCompression(CompressionAlgorithmTags.UNCOMPRESSED);
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}
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}
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public void setConcealPgpApplication(boolean conceal) {
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SharedPreferences.Editor editor = mSharedPreferences.edit();
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editor.putBoolean(Constants.Pref.CONCEAL_PGP_APPLICATION, conceal);
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editor.commit();
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}
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public boolean getConcealPgpApplication() {
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return mSharedPreferences.getBoolean(Constants.Pref.CONCEAL_PGP_APPLICATION, false);
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}
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}
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