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.security.auth;
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.model.User;
29  import com.liferay.portal.security.ldap.PortalLDAPUtil;
30  import com.liferay.portal.util.PortalUtil;
31  import com.liferay.portal.util.WebKeys;
32  
33  import javax.naming.directory.SearchResult;
34  import javax.naming.ldap.LdapContext;
35  
36  import javax.servlet.http.HttpServletRequest;
37  import javax.servlet.http.HttpServletResponse;
38  
39  /**
40   * <a href="NtlmAutoLogin.java.html"><b><i>View Source</i></b></a>
41   *
42   * @author Bruno Farache
43   *
44   */
45  public class NtlmAutoLogin implements AutoLogin {
46  
47      public String[] login(
48          HttpServletRequest request, HttpServletResponse response) {
49  
50          String[] credentials = null;
51  
52          try {
53              long companyId = PortalUtil.getCompanyId(request);
54  
55              if (!PortalLDAPUtil.isNtlmEnabled(companyId)) {
56                  return credentials;
57              }
58  
59              String screenName = (String)request.getAttribute(
60                  WebKeys.NTLM_REMOTE_USER);
61  
62              if (screenName == null) {
63                  return credentials;
64              }
65  
66              request.removeAttribute(WebKeys.NTLM_REMOTE_USER);
67  
68              User user = getUser(companyId, screenName);
69  
70              if (user != null) {
71                  credentials = new String[3];
72  
73                  credentials[0] = String.valueOf(user.getUserId());
74                  credentials[1] = user.getPassword();
75                  credentials[2] = Boolean.TRUE.toString();
76              }
77          }
78          catch (Exception e) {
79              _log.error(e, e);
80          }
81  
82          return credentials;
83      }
84  
85      protected User getUser(long companyId, String screenName) throws Exception {
86          SearchResult result = (SearchResult)PortalLDAPUtil.getUser(
87              companyId, screenName);
88  
89          if (result == null) {
90              if (_log.isWarnEnabled()) {
91                  _log.warn(
92                      "No user was found in LDAP with screenName " + screenName);
93              }
94  
95              return null;
96          }
97  
98          LdapContext ctx = PortalLDAPUtil.getContext(companyId);
99  
100         User user = PortalLDAPUtil.importLDAPUser(
101             companyId, ctx, result.getAttributes(), StringPool.BLANK, false);
102 
103         ctx.close();
104 
105         return user;
106     }
107 
108     private static Log _log = LogFactoryUtil.getLog(NtlmAutoLogin.class);
109 
110 }