1   /**
2    * Copyright (c) 2000-2008 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.portlet.documentlibrary.service.permission;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.SystemException;
27  import com.liferay.portal.security.auth.PrincipalException;
28  import com.liferay.portal.security.permission.ActionKeys;
29  import com.liferay.portal.security.permission.PermissionChecker;
30  import com.liferay.portal.service.permission.PortletPermissionUtil;
31  import com.liferay.portal.util.PortletKeys;
32  import com.liferay.portlet.documentlibrary.model.DLFolder;
33  import com.liferay.portlet.documentlibrary.model.impl.DLFolderImpl;
34  import com.liferay.portlet.documentlibrary.service.DLFolderLocalServiceUtil;
35  
36  /**
37   * <a href="DLFolderPermission.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author Brian Wing Shun Chan
40   *
41   */
42  public class DLFolderPermission {
43  
44      public static void check(
45              PermissionChecker permissionChecker, long plid, long folderId,
46              String actionId)
47          throws PortalException, SystemException {
48  
49          if (!contains(permissionChecker, plid, folderId, actionId)) {
50              throw new PrincipalException();
51          }
52      }
53  
54      public static void check(
55              PermissionChecker permissionChecker, long folderId, String actionId)
56          throws PortalException, SystemException {
57  
58          if (!contains(permissionChecker, folderId, actionId)) {
59              throw new PrincipalException();
60          }
61      }
62  
63      public static void check(
64              PermissionChecker permissionChecker, DLFolder folder,
65              String actionId)
66          throws PortalException, SystemException {
67  
68          if (!contains(permissionChecker, folder, actionId)) {
69              throw new PrincipalException();
70          }
71      }
72  
73      public static boolean contains(
74              PermissionChecker permissionChecker, long plid, long folderId,
75              String actionId)
76          throws PortalException, SystemException {
77  
78          if (folderId == DLFolderImpl.DEFAULT_PARENT_FOLDER_ID) {
79              return PortletPermissionUtil.contains(
80                  permissionChecker, plid, PortletKeys.DOCUMENT_LIBRARY,
81                  actionId);
82          }
83          else {
84              return contains(permissionChecker, folderId, actionId);
85          }
86      }
87  
88      public static boolean contains(
89              PermissionChecker permissionChecker, long folderId, String actionId)
90          throws PortalException, SystemException {
91  
92          DLFolder folder = DLFolderLocalServiceUtil.getFolder(folderId);
93  
94          return contains(permissionChecker, folder, actionId);
95      }
96  
97      public static boolean contains(
98              PermissionChecker permissionChecker, DLFolder folder,
99              String actionId)
100         throws PortalException, SystemException {
101 
102         if (actionId.equals(ActionKeys.ADD_FOLDER)) {
103             actionId = ActionKeys.ADD_SUBFOLDER;
104         }
105 
106         long folderId = folder.getFolderId();
107 
108         while (folderId != DLFolderImpl.DEFAULT_PARENT_FOLDER_ID) {
109             folder = DLFolderLocalServiceUtil.getFolder(folderId);
110 
111             folderId = folder.getParentFolderId();
112 
113             if (permissionChecker.hasPermission(
114                     folder.getGroupId(), DLFolder.class.getName(),
115                     folder.getFolderId(), actionId)) {
116 
117                 return true;
118             }
119 
120             if (actionId.equals(ActionKeys.VIEW)) {
121                 break;
122             }
123         }
124 
125         return false;
126     }
127 
128 }