    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
    015package org.apache.tapestry5.internal.services.security;
    016
    017import org.apache.tapestry5.http.services.Request;
    018import 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 */
    025public 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}