1   /**
2    * Copyright (c) 2000-2008 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  
30  import javax.servlet.http.Cookie;
31  import javax.servlet.http.HttpServletRequest;
32  import javax.servlet.http.HttpServletRequestWrapper;
33  import javax.servlet.http.HttpServletResponse;
34  import javax.servlet.http.HttpSession;
35  
36  /**
37   * <a href="SessionIdServletRequest.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   *
41   */
42  public class SessionIdServletRequest extends HttpServletRequestWrapper {
43  
44      public SessionIdServletRequest(
45          HttpServletRequest request, HttpServletResponse response) {
46  
47          super(request);
48  
49          _response = response;
50      }
51  
52      public HttpSession getSession() {
53          HttpSession session = super.getSession();
54  
55          process(session);
56  
57          return session;
58      }
59  
60      public HttpSession getSession(boolean create) {
61          HttpSession session = super.getSession(create);
62  
63          process(session);
64  
65          return session;
66      }
67  
68      protected void process(HttpSession session) {
69          if ((session == null) || !session.isNew() || !isSecure() ||
70              isRequestedSessionIdFromCookie()) {
71  
72              return;
73          }
74  
75          Object jsessionIdAlreadySet = getAttribute(_JESSIONID_ALREADY_SET);
76  
77          if (jsessionIdAlreadySet == null) {
78              if (_log.isDebugEnabled()) {
79                  _log.debug("Processing " + session.getId());
80              }
81  
82              Cookie cookie = new Cookie(_JESSIONID, session.getId());
83  
84              cookie.setMaxAge(-1);
85  
86              String contextPath = getContextPath();
87  
88              if (Validator.isNotNull(contextPath)) {
89                  cookie.setPath(contextPath);
90              }
91              else {
92                  cookie.setPath(StringPool.SLASH);
93              }
94  
95              _response.addCookie(cookie);
96  
97              setAttribute(_JESSIONID_ALREADY_SET, Boolean.TRUE);
98          }
99      }
100 
101     private static final String _JESSIONID = "JSESSIONID";
102 
103     private static final String _JESSIONID_ALREADY_SET =
104         "JESSIONID_ALREADY_SET";
105 
106     private static Log _log =
107         LogFactoryUtil.getLog(SessionIdServletRequest.class);
108 
109     private HttpServletResponse _response;
110 
111 }