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1   /*
2    * Copyright (c) 2002-2022, City of Paris
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    *
9    *  1. Redistributions of source code must retain the above copyright notice
10   *     and the following disclaimer.
11   *
12   *  2. Redistributions in binary form must reproduce the above copyright notice
13   *     and the following disclaimer in the documentation and/or other materials
14   *     provided with the distribution.
15   *
16   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17   *     contributors may be used to endorse or promote products derived from
18   *     this software without specific prior written permission.
19   *
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   * POSSIBILITY OF SUCH DAMAGE.
31   *
32   * License 1.0
33   */
34  package fr.paris.lutece.portal.service.portlet;
35  
36  import fr.paris.lutece.portal.business.page.Page;
37  import fr.paris.lutece.portal.business.page.PageHome;
38  import fr.paris.lutece.portal.business.portlet.Portlet;
39  import fr.paris.lutece.portal.business.user.AdminUser;
40  import fr.paris.lutece.portal.service.page.IPageService;
41  import fr.paris.lutece.portal.service.page.PageResourceIdService;
42  import fr.paris.lutece.portal.service.spring.SpringContextService;
43  
44  import java.util.ArrayList;
45  import java.util.Collection;
46  
47  /**
48   * class PortletService
49   */
50  public final class PortletService
51  {
52      private static PortletService _singleton;
53      private static IPageService _pageService = SpringContextService.getBean( "pageService" );
54  
55      /**
56       * Constructor for class PortletService
57       *
58       */
59      private PortletService( )
60      {
61      }
62  
63      /**
64       * Get the unique instance of the service
65       *
66       * @return The unique instance
67       */
68      public static synchronized PortletService getInstance( )
69      {
70          if ( _singleton == null )
71          {
72              _singleton = new PortletService( );
73          }
74  
75          return _singleton;
76      }
77  
78      /**
79       * Filter a collection of portlet associated to a given user
80       * 
81       * @param collectionPortlet
82       *            the The collection to filter
83       * @param user
84       *            the current user
85       * @return a collection of portlet associated to a given user
86       */
87      public Collection<Portlet> getAuthorizedPortletCollection( Collection<Portlet> collectionPortlet, AdminUser user )
88      {
89          Collection<Portlet> collectionPortletAuthorized = new ArrayList<>( );
90  
91          for ( Portlet portlet : collectionPortlet )
92          {
93              if ( _pageService.isAuthorizedAdminPage( portlet.getPageId( ), PageResourceIdService.PERMISSION_VIEW, user ) )
94              {
95                  collectionPortletAuthorized.add( portlet );
96              }
97          }
98  
99          return collectionPortletAuthorized;
100     }
101 
102     /**
103      * Check if a portlet should be visible to the user
104      * 
105      * @param idPortlet
106      *            the id of the portlet
107      * @param user
108      *            the current user
109      * @return true if authorized, otherwise false
110      */
111     public boolean isAuthorized( int idPortlet, AdminUser user )
112     {
113         Page page = PageHome.getPageByIdPortlet( idPortlet );
114 
115         return _pageService.isAuthorizedAdminPage( page.getId( ), PageResourceIdService.PERMISSION_VIEW, user );
116     }
117 
118     /**
119      * Check if a portlet should be visible to the user
120      * 
121      * @param portlet
122      *            the portlet
123      * @param user
124      *            the current user
125      * @return true if authorized, otherwise false
126      */
127     public boolean isAuthorized( Portlet portlet, AdminUser user )
128     {
129         Page page = PageHome.findByPrimaryKey( portlet.getPageId( ) );
130 
131         return _pageService.isAuthorizedAdminPage( page.getId( ), PageResourceIdService.PERMISSION_VIEW, user );
132     }
133 }