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 **/ 019package lucee.runtime.functions.decision; 020 021import java.net.InetAddress; 022import java.net.UnknownHostException; 023 024import lucee.commons.lang.StringUtil; 025import lucee.runtime.PageContext; 026import lucee.runtime.ext.function.Function; 027 028/** 029 * Implements the CFML Function isleapyear 030 */ 031public final class IsLocalHost implements Function { 032 033 private static final long serialVersionUID = 5680807516948697186L; 034 035 public static boolean call(PageContext pc , String ip) { 036 return invoke(ip); 037 } 038 public static boolean invoke(String ip) { 039 040 if(StringUtil.isEmpty(ip,true)) return false; 041 ip=ip.trim().toLowerCase(); 042 if( 043 ip.equalsIgnoreCase("localhost") || 044 ip.equals("127.0.0.1") || 045 ip.equalsIgnoreCase("0:0:0:0:0:0:0:1") || 046 ip.equalsIgnoreCase("0:0:0:0:0:0:0:1%0") || 047 ip.equalsIgnoreCase("::1")) 048 return true; 049 050 try { 051 InetAddress addr = InetAddress.getByName(ip); 052 InetAddress localHost = InetAddress.getLocalHost(); 053 if(localHost.equals(addr)) return true; 054 055 InetAddress localHosts[] = InetAddress.getAllByName(localHost.getHostName()); 056 057 for(int i=0;i<localHosts.length;i++){ 058 if(localHosts[i].equals(addr)) return true; 059 } 060 } 061 catch(UnknownHostException e){} 062 063 return false; 064 } 065}