1   /**
2    * Copyright (c) 2000-2007 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;
24  
25  import com.liferay.portal.action.JSONServiceAction;
26  import com.liferay.portal.kernel.util.GetterUtil;
27  import com.liferay.portal.kernel.util.InstancePool;
28  import com.liferay.portal.model.User;
29  import com.liferay.portal.security.auth.PrincipalThreadLocal;
30  import com.liferay.portal.security.permission.PermissionCheckerFactory;
31  import com.liferay.portal.security.permission.PermissionCheckerImpl;
32  import com.liferay.portal.security.permission.PermissionThreadLocal;
33  import com.liferay.portal.service.UserLocalServiceUtil;
34  
35  import java.io.IOException;
36  
37  import javax.servlet.ServletException;
38  import javax.servlet.http.HttpServlet;
39  import javax.servlet.http.HttpServletRequest;
40  import javax.servlet.http.HttpServletResponse;
41  
42  import org.apache.commons.logging.Log;
43  import org.apache.commons.logging.LogFactory;
44  import org.apache.struts.action.Action;
45  
46  /**
47   * <a href="JSONServlet.java.html"><b><i>View Source</i></b></a>
48   *
49   * @author Brian Wing Shun Chan
50   *
51   */
52  public class JSONServlet extends HttpServlet {
53  
54      public void service(HttpServletRequest req, HttpServletResponse res)
55          throws IOException, ServletException {
56  
57          PermissionCheckerImpl permissionChecker = null;
58  
59          try {
60              String remoteUser = req.getRemoteUser();
61  
62              if (_log.isDebugEnabled()) {
63                  _log.debug("Remote user " + remoteUser);
64              }
65  
66              if (remoteUser != null) {
67                  PrincipalThreadLocal.setName(remoteUser);
68  
69                  long userId = GetterUtil.getLong(remoteUser);
70  
71                  User user = UserLocalServiceUtil.getUserById(userId);
72  
73                  permissionChecker = PermissionCheckerFactory.create(user, true);
74  
75                  PermissionThreadLocal.setPermissionChecker(permissionChecker);
76              }
77  
78              Action action = (Action)InstancePool.get(
79                  JSONServiceAction.class.getName());
80  
81              action.execute(null, null, req, res);
82          }
83          catch (Exception e) {
84              _log.error(e, e);
85          }
86          finally {
87              try {
88                  PermissionCheckerFactory.recycle(permissionChecker);
89              }
90              catch (Exception e) {
91              }
92          }
93      }
94  
95      private static Log _log = LogFactory.getLog(JSONServlet.class);
96  
97  }