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.spring.servlet;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  import com.liferay.portal.kernel.util.GetterUtil;
28  import com.liferay.portal.model.User;
29  import com.liferay.portal.security.auth.CompanyThreadLocal;
30  import com.liferay.portal.security.auth.PrincipalThreadLocal;
31  import com.liferay.portal.security.permission.PermissionChecker;
32  import com.liferay.portal.security.permission.PermissionCheckerFactoryUtil;
33  import com.liferay.portal.security.permission.PermissionThreadLocal;
34  import com.liferay.portal.service.UserLocalServiceUtil;
35  import com.liferay.portal.spring.context.TunnelApplicationContext;
36  import com.liferay.portal.util.PortalInstances;
37  
38  import javax.servlet.ServletException;
39  import javax.servlet.http.HttpServletRequest;
40  import javax.servlet.http.HttpServletResponse;
41  
42  import org.springframework.web.servlet.DispatcherServlet;
43  
44  /**
45   * <a href="RemotingServlet.java.html"><b><i>View Source</i></b></a>
46   *
47   * @author Brian Wing Shun Chan
48   *
49   */
50  public class RemotingServlet extends DispatcherServlet {
51  
52      public static final String CONTEXT_CLASS =
53          TunnelApplicationContext.class.getName();
54  
55      public static final String CONTEXT_CONFIG_LOCATION =
56          "/WEB-INF/remoting-servlet.xml,/WEB-INF/remoting-servlet-ext.xml";
57  
58      public Class<?> getContextClass() {
59          try {
60              return Class.forName(CONTEXT_CLASS);
61          }
62          catch (Exception e) {
63              _log.error(e);
64          }
65  
66          return null;
67      }
68  
69      public String getContextConfigLocation() {
70          return CONTEXT_CONFIG_LOCATION;
71      }
72  
73      public void service(
74              HttpServletRequest request, HttpServletResponse response)
75          throws ServletException {
76  
77          try {
78              String remoteUser = request.getRemoteUser();
79  
80              if (_log.isDebugEnabled()) {
81                  _log.debug("Remote user " + remoteUser);
82              }
83  
84              long companyId = PortalInstances.getCompanyId(request);
85  
86              CompanyThreadLocal.setCompanyId(companyId);
87  
88              if (remoteUser != null) {
89                  PrincipalThreadLocal.setName(remoteUser);
90  
91                  long userId = GetterUtil.getLong(remoteUser);
92  
93                  User user = UserLocalServiceUtil.getUserById(userId);
94  
95                  PermissionChecker permissionChecker =
96                      PermissionCheckerFactoryUtil.create(user, true);
97  
98                  PermissionThreadLocal.setPermissionChecker(permissionChecker);
99              }
100             else {
101                 if (_log.isWarnEnabled()) {
102                     _log.warn(
103                         "User id is not provided. An exception will be " +
104                             "thrown  if a protected method is accessed.");
105                 }
106             }
107 
108             super.service(request, response);
109         }
110         catch (Exception e) {
111             throw new ServletException(e);
112         }
113     }
114 
115     private static Log _log = LogFactoryUtil.getLog(RemotingServlet.class);
116 
117 }