AuthenticationComponentImpl


1   /*
2    * Copyright (C) 2005 Alfresco, Inc.
3    *
4    * Licensed under the Mozilla Public License version 1.1 
5    * with a permitted attribution clause. You may obtain a
6    * copy of the License at
7    *
8    *   http://www.alfresco.org/legal/license.txt
9    *
10   * Unless required by applicable law or agreed to in writing,
11   * software distributed under the License is distributed on an
12   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific
14   * language governing permissions and limitations under the
15   * License.
16   */
17  package org.alfresco.repo.security.authentication;
18  
19  import net.sf.acegisecurity.AuthenticationManager;
20  import net.sf.acegisecurity.UserDetails;
21  import net.sf.acegisecurity.providers.UsernamePasswordAuthenticationToken;
22  
23  public class AuthenticationComponentImpl extends AbstractAuthenticationComponent
24  {
25      private MutableAuthenticationDao authenticationDao;
26  
27      AuthenticationManager authenticationManager;
28  
29      public AuthenticationComponentImpl()
30      {
31          super();
32      }
33  
34      /**
35       * IOC
36       * 
37       * @param authenticationManager
38       */
39      public void setAuthenticationManager(AuthenticationManager authenticationManager)
40      {
41          this.authenticationManager = authenticationManager;
42      }
43  
44      /**
45       * IOC
46       * 
47       * @param authenticationDao
48       */
49      public void setAuthenticationDao(MutableAuthenticationDao authenticationDao)
50      {
51          this.authenticationDao = authenticationDao;
52      }
53      
54      /**
55       * Authenticate
56       */
57      public void authenticate(String   userName, char[] password) throws AuthenticationException
58      {
59          try
60          {
61              UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(userName,
62                      new String  (password));
63              authenticationManager.authenticate(authentication);
64              setCurrentUser(userName);
65  
66          }
67          catch (net.sf.acegisecurity.AuthenticationException ae)
68          {
69              throw new AuthenticationException(ae.getMessage(), ae);
70          }
71      }
72  
73   
74      /**
75       * We actually have an acegi object so override the default method.  
76       */
77      protected UserDetails getUserDetails(String   userName)
78      {
79          return (UserDetails) authenticationDao.loadUserByUsername(userName);
80      }
81  
82      
83      /**
84       * Get the password hash from the DAO
85       */
86      public String   getMD4HashedPassword(String   userName)
87      {
88          return authenticationDao.getMD4HashedPassword(userName);
89      }
90  
91      
92      /**
93       * This implementation supported MD4 password hashes. 
94       */
95      public NTLMMode getNTLMMode()
96      {
97          return NTLMMode.MD4_PROVIDER;
98      }
99  
100     @Override  
101     protected boolean implementationAllowsGuestLogin()
102     {
103         return true;
104     }
105    
106     
107 }
108
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