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