001    /**
002     * Copyright (c) 2000-present 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                    else {
051                            _userPrincipal = null;
052                    }
053    
054                    _authType = authType;
055            }
056    
057            @Override
058            public String getAuthType() {
059                    if (_authType == null) {
060                            return super.getAuthType();
061                    }
062    
063                    if (_authType.equals(HttpServletRequest.BASIC_AUTH)) {
064                            return HttpServletRequest.BASIC_AUTH;
065                    }
066                    else if (_authType.equals(HttpServletRequest.CLIENT_CERT_AUTH)) {
067                            return HttpServletRequest.CLIENT_CERT_AUTH;
068                    }
069                    else if (_authType.equals(HttpServletRequest.DIGEST_AUTH)) {
070                            return HttpServletRequest.DIGEST_AUTH;
071                    }
072                    else if (_authType.equals(HttpServletRequest.FORM_AUTH)) {
073                            return HttpServletRequest.FORM_AUTH;
074                    }
075    
076                    return _authType;
077            }
078    
079            @Override
080            public String getRemoteUser() {
081                    if (_remoteUser != null) {
082                            return _remoteUser;
083                    }
084                    else {
085                            return super.getRemoteUser();
086                    }
087            }
088    
089            @Override
090            public Principal getUserPrincipal() {
091                    if (_userPrincipal != null) {
092                            return _userPrincipal;
093                    }
094                    else {
095                            return super.getUserPrincipal();
096                    }
097            }
098    
099            private String _authType;
100            private final String _remoteUser;
101            private final Principal _userPrincipal;
102    
103    }