1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights 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  public class JSONServlet extends HttpServlet {
49  
50      public void service(
51          HttpServletRequest request, HttpServletResponse response) {
52  
53          try {
54              String remoteUser = request.getRemoteUser();
55  
56              if (_log.isDebugEnabled()) {
57                  _log.debug("Remote user " + remoteUser);
58              }
59  
60              if (remoteUser != null) {
61                  PrincipalThreadLocal.setName(remoteUser);
62  
63                  long userId = GetterUtil.getLong(remoteUser);
64  
65                  User user = UserLocalServiceUtil.getUserById(userId);
66  
67                  PermissionChecker permissionChecker =
68                      PermissionCheckerFactoryUtil.create(user, true);
69  
70                  PermissionThreadLocal.setPermissionChecker(permissionChecker);
71              }
72  
73              Action action = (Action)InstancePool.get(
74                  JSONServiceAction.class.getName());
75  
76              action.execute(null, null, request, response);
77          }
78          catch (Exception e) {
79              _log.error(e, e);
80          }
81      }
82  
83      private static Log _log = LogFactoryUtil.getLog(JSONServlet.class);
84  
85  }