    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    }