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 com.liferay.portal.kernel.util.SetUtil;
018    import com.liferay.portal.kernel.util.StringUtil;
019    import com.liferay.portal.kernel.util.SystemProperties;
020    
021    import java.util.Set;
022    
023    import javax.servlet.http.Cookie;
024    import javax.servlet.http.HttpServletResponse;
025    import javax.servlet.http.HttpServletResponseWrapper;
026    
027    /**
028     * @author Samuel Kong
029     */
030    public class HttpOnlyCookieServletResponse extends HttpServletResponseWrapper {
031    
032            public static HttpServletResponse getHttpOnlyCookieServletResponse(
033                    HttpServletResponse response) {
034    
035                    HttpServletResponse wrappedResponse = response;
036    
037                    while (wrappedResponse instanceof HttpServletResponseWrapper) {
038                            if (wrappedResponse instanceof HttpOnlyCookieServletResponse) {
039                                    return response;
040                            }
041    
042                            HttpServletResponseWrapper httpServletResponseWrapper =
043                                    (HttpServletResponseWrapper)wrappedResponse;
044    
045                            wrappedResponse =
046                                    (HttpServletResponse)httpServletResponseWrapper.getResponse();
047                    }
048    
049                    return new HttpOnlyCookieServletResponse(response);
050            }
051    
052            public HttpOnlyCookieServletResponse(HttpServletResponse response) {
053                    super(response);
054            }
055    
056            @Override
057            public void addCookie(Cookie cookie) {
058                    if (!_cookieHttpOnlyCookieNamesExcludes.contains(cookie.getName())) {
059                            cookie.setHttpOnly(true);
060                    }
061    
062                    super.addCookie(cookie);
063            }
064    
065            private static Set<String> _cookieHttpOnlyCookieNamesExcludes =
066                    SetUtil.fromArray(
067                            StringUtil.split(
068                                    SystemProperties.get("cookie.http.only.names.excludes")));
069    
070    }