001    // Copyright 2011, 2012 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.internal.services.security;
016    
017    import org.apache.tapestry5.services.Request;
018    import org.apache.tapestry5.services.security.WhitelistAnalyzer;
019    
020    /**
021     * Standard analyzer that places requests from the "localhost", "127.0.0.1", "0:0:0:0:0:0:0:1%0", or :"0:0:0:0:0:0:0:1" onto the white list.
022     *
023     * @since 5.3
024     */
025    public class LocalhostOnly implements WhitelistAnalyzer
026    {
027        public boolean isRequestOnWhitelist(Request request)
028        {
029            String remoteHost = request.getRemoteHost();
030    
031            return remoteHost.equals("localhost") || remoteHost.equals("127.0.0.1") || remoteHost.equals("0:0:0:0:0:0:0:1%0") || remoteHost.equals("0:0:0:0:0:0:0:1");
032        }
033    }