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 com.liferay.portal.kernel.util.SetUtil;
018    import com.liferay.portal.kernel.util.SystemProperties;
019    
020    import java.util.Set;
021    
022    import javax.servlet.http.Cookie;
023    import javax.servlet.http.HttpServletResponse;
024    import javax.servlet.http.HttpServletResponseWrapper;
025    
026    /**
027     * @author Samuel Kong
028     */
029    public class HttpOnlyCookieServletResponse extends HttpServletResponseWrapper {
030    
031            public static HttpServletResponse getHttpOnlyCookieServletResponse(
032                    HttpServletResponse response) {
033    
034                    HttpServletResponse wrappedResponse = response;
035    
036                    while (wrappedResponse instanceof HttpServletResponseWrapper) {
037                            if (wrappedResponse instanceof HttpOnlyCookieServletResponse) {
038                                    return response;
039                            }
040    
041                            HttpServletResponseWrapper httpServletResponseWrapper =
042                                    (HttpServletResponseWrapper)wrappedResponse;
043    
044                            wrappedResponse =
045                                    (HttpServletResponse)httpServletResponseWrapper.getResponse();
046                    }
047    
048                    return new HttpOnlyCookieServletResponse(response);
049            }
050    
051            public HttpOnlyCookieServletResponse(HttpServletResponse response) {
052                    super(response);
053            }
054    
055            @Override
056            public void addCookie(Cookie cookie) {
057                    if (!_cookieHttpOnlyCookieNamesExcludes.contains(cookie.getName())) {
058                            cookie.setHttpOnly(true);
059                    }
060    
061                    super.addCookie(cookie);
062            }
063    
064            private static final Set<String> _cookieHttpOnlyCookieNamesExcludes =
065                    SetUtil.fromArray(
066                            SystemProperties.getArray("cookie.http.only.names.excludes"));
067    
068    }