1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.servlet.filters.sessionid;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.StringPool;
28  import com.liferay.portal.kernel.util.Validator;
29  import com.liferay.portal.util.CookieKeys;
30  
31  import javax.servlet.http.Cookie;
32  import javax.servlet.http.HttpServletRequest;
33  import javax.servlet.http.HttpServletRequestWrapper;
34  import javax.servlet.http.HttpServletResponse;
35  import javax.servlet.http.HttpSession;
36  
37  /**
38   * <a href="SessionIdServletRequest.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   *
42   */
43  public class SessionIdServletRequest extends HttpServletRequestWrapper {
44  
45      public SessionIdServletRequest(
46          HttpServletRequest request, HttpServletResponse response) {
47  
48          super(request);
49  
50          _response = response;
51      }
52  
53      public HttpSession getSession() {
54          HttpSession session = super.getSession();
55  
56          process(session);
57  
58          return session;
59      }
60  
61      public HttpSession getSession(boolean create) {
62          HttpSession session = super.getSession(create);
63  
64          process(session);
65  
66          return session;
67      }
68  
69      protected void process(HttpSession session) {
70          if ((session == null) || !session.isNew() || !isSecure() ||
71              isRequestedSessionIdFromCookie()) {
72  
73              return;
74          }
75  
76          Object jsessionIdAlreadySet = getAttribute(_JESSIONID_ALREADY_SET);
77  
78          if (jsessionIdAlreadySet == null) {
79              if (_log.isDebugEnabled()) {
80                  _log.debug("Processing " + session.getId());
81              }
82  
83              Cookie cookie = new Cookie(_JESSIONID, session.getId());
84  
85              cookie.setMaxAge(-1);
86  
87              String contextPath = getContextPath();
88  
89              if (Validator.isNotNull(contextPath)) {
90                  cookie.setPath(contextPath);
91              }
92              else {
93                  cookie.setPath(StringPool.SLASH);
94              }
95  
96              CookieKeys.addCookie(
97                  (HttpServletRequest)super.getRequest(), _response, cookie);
98  
99              setAttribute(_JESSIONID_ALREADY_SET, Boolean.TRUE);
100         }
101     }
102 
103     private static final String _JESSIONID = "JSESSIONID";
104 
105     private static final String _JESSIONID_ALREADY_SET =
106         "JESSIONID_ALREADY_SET";
107 
108     private static Log _log =
109         LogFactoryUtil.getLog(SessionIdServletRequest.class);
110 
111     private HttpServletResponse _response;
112 
113 }