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ArchivaDavSessionProvider xref
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1   package org.apache.archiva.webdav;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.archiva.redback.authentication.AuthenticationException;
23  import org.apache.archiva.security.ServletAuthenticator;
24  import org.apache.jackrabbit.webdav.DavException;
25  import org.apache.jackrabbit.webdav.DavServletRequest;
26  import org.apache.jackrabbit.webdav.DavSessionProvider;
27  import org.apache.jackrabbit.webdav.WebdavRequest;
28  import org.apache.archiva.webdav.util.RepositoryPathUtil;
29  import org.apache.archiva.webdav.util.WebdavMethodUtil;
30  import org.apache.archiva.redback.authentication.AuthenticationResult;
31  import org.apache.archiva.redback.authorization.UnauthorizedException;
32  import org.apache.archiva.redback.policy.AccountLockedException;
33  import org.apache.archiva.redback.policy.MustChangePasswordException;
34  import org.apache.archiva.redback.users.UserManager;
35  import org.apache.archiva.redback.integration.filter.authentication.HttpAuthenticator;
36  
37  /**
38   */
39  public class ArchivaDavSessionProvider
40      implements DavSessionProvider
41  {
42      private ServletAuthenticator servletAuth;
43  
44      private HttpAuthenticator httpAuth;
45  
46      public ArchivaDavSessionProvider( ServletAuthenticator servletAuth, HttpAuthenticator httpAuth )
47      {
48          this.servletAuth = servletAuth;
49          this.httpAuth = httpAuth;
50      }
51  
52      @Override
53      public boolean attachSession( WebdavRequest request )
54          throws DavException
55      {
56          final String repositoryId = RepositoryPathUtil.getRepositoryName( removeContextPath( request ) );
57  
58          try
59          {
60              AuthenticationResult result = httpAuth.getAuthenticationResult( request, null );
61  
62              //Create a dav session
63              request.setDavSession( new ArchivaDavSession() );
64  
65              return servletAuth.isAuthenticated( request, result );
66          }
67          catch ( AuthenticationException e )
68          {
69              // safety check for MRM-911            
70              String guest = UserManager.GUEST_USERNAME;
71              try
72              {
73                  if ( servletAuth.isAuthorized( guest,
74                                                 ( (ArchivaDavResourceLocator) request.getRequestLocator() ).getRepositoryId(),
75                                                 WebdavMethodUtil.getMethodPermission( request.getMethod() ) ) )
76                  {
77                      request.setDavSession( new ArchivaDavSession() );
78                      return true;
79                  }
80              }
81              catch ( UnauthorizedException ae )
82              {
83                  throw new UnauthorizedDavException( repositoryId,
84                                                      "You are not authenticated and authorized to access any repository." );
85              }
86  
87              throw new UnauthorizedDavException( repositoryId, "You are not authenticated." );
88          }
89          catch ( MustChangePasswordException e )
90          {
91              throw new UnauthorizedDavException( repositoryId, "You must change your password." );
92          }
93          catch ( AccountLockedException e )
94          {
95              throw new UnauthorizedDavException( repositoryId, "User account is locked." );
96          }
97      }
98  
99      @Override
100     public void releaseSession( WebdavRequest request )
101     {
102         request.setDavSession( null );
103     }
104 
105     private String removeContextPath( final DavServletRequest request )
106     {
107         String path = request.getRequestURI();
108         String ctx = request.getContextPath();
109         if ( path.startsWith( ctx ) )
110         {
111             path = path.substring( ctx.length() );
112         }
113         return path;
114     }
115 }