001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.kernel.servlet;
016    
017    import java.security.Principal;
018    
019    import javax.servlet.http.HttpServletRequest;
020    import javax.servlet.http.HttpServletRequestWrapper;
021    
022    /**
023     * @author Brian Wing Shun Chan
024     */
025    public class ProtectedServletRequest extends HttpServletRequestWrapper {
026    
027            public ProtectedServletRequest(
028                    HttpServletRequest request, String remoteUser) {
029    
030                    this(request, remoteUser, null);
031            }
032    
033            public ProtectedServletRequest(
034                    HttpServletRequest request, String remoteUser, String authType) {
035    
036                    super(request);
037    
038                    if (request instanceof ProtectedServletRequest) {
039                            ProtectedServletRequest parentRequest =
040                                    (ProtectedServletRequest)request;
041    
042                            setRequest(parentRequest.getRequest());
043                    }
044    
045                    _remoteUser = remoteUser;
046    
047                    if (remoteUser != null) {
048                            _userPrincipal = new ProtectedPrincipal(remoteUser);
049                    }
050    
051                    _authType = authType;
052            }
053    
054            @Override
055            public String getAuthType() {
056                    if (_authType == null) {
057                            return super.getAuthType();
058                    }
059    
060                    return _authType;
061            }
062    
063            @Override
064            public String getRemoteUser() {
065                    if (_remoteUser != null) {
066                            return _remoteUser;
067                    }
068                    else {
069                            return super.getRemoteUser();
070                    }
071            }
072    
073            @Override
074            public Principal getUserPrincipal() {
075                    if (_userPrincipal != null) {
076                            return _userPrincipal;
077                    }
078                    else {
079                            return super.getUserPrincipal();
080                    }
081            }
082    
083            private String _authType;
084            private String _remoteUser;
085            private Principal _userPrincipal;
086    
087    }