001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019/**
020 * Implements the CFML Function GetLocalHostIP
021 */
022package lucee.runtime.functions.system;
023
024import java.net.Inet6Address;
025import java.net.InetAddress;
026import java.net.UnknownHostException;
027
028import lucee.commons.net.IPUtil;
029import lucee.runtime.PageContext;
030import lucee.runtime.ext.function.Function;
031
032public final class GetLocalHostIP implements Function {
033
034        public static Object call(PageContext pc)  {
035                return callLegacy();
036        }
037
038
039        public static Object call(PageContext pc, boolean all, boolean refresh) {
040
041                if ( all )
042                        return IPUtil.getLocalIPs( refresh );
043
044                return callLegacy();
045        }
046
047
048        public static Object call(PageContext pc, boolean all) {
049
050                return call( pc, all, false );
051        }
052
053
054        static String callLegacy() {
055
056                try {
057                        if(InetAddress.getLocalHost() instanceof Inet6Address) return "::1";
058                }
059                catch(UnknownHostException e) {}
060                return "127.0.0.1";
061        }
062}