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.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.PermissionChecker;
29  import com.liferay.portlet.documentlibrary.model.DLFileEntry;
30  import com.liferay.portlet.documentlibrary.model.DLFolder;
31  import com.liferay.portlet.documentlibrary.service.DLFileEntryLocalServiceUtil;
32  
33  /**
34   * <a href="DLFileEntryPermission.java.html"><b><i>View Source</i></b></a>
35   *
36   * @author Brian Wing Shun Chan
37   * @author Charles May
38   *
39   */
40  public class DLFileEntryPermission {
41  
42      public static void check(
43              PermissionChecker permissionChecker, long folderId, String name,
44              String actionId)
45          throws PortalException, SystemException {
46  
47          if (!contains(permissionChecker, folderId, name, actionId)) {
48              throw new PrincipalException();
49          }
50      }
51  
52      public static void check(
53              PermissionChecker permissionChecker, DLFileEntry fileEntry,
54              String actionId)
55          throws PortalException {
56  
57          if (!contains(permissionChecker, fileEntry, actionId)) {
58              throw new PrincipalException();
59          }
60      }
61  
62      public static boolean contains(
63              PermissionChecker permissionChecker, long folderId, String name,
64              String actionId)
65          throws PortalException, SystemException {
66  
67          DLFileEntry fileEntry = DLFileEntryLocalServiceUtil.getFileEntry(
68              folderId, name);
69  
70          return contains(permissionChecker, fileEntry, actionId);
71      }
72  
73      public static boolean contains(
74          PermissionChecker permissionChecker, DLFileEntry fileEntry,
75          String actionId) {
76  
77          if (permissionChecker.hasOwnerPermission(
78                  fileEntry.getCompanyId(), DLFileEntry.class.getName(),
79                  fileEntry.getFileEntryId(), fileEntry.getUserId(), actionId)) {
80  
81              return true;
82          }
83  
84          DLFolder folder = fileEntry.getFolder();
85  
86          return permissionChecker.hasPermission(
87              folder.getGroupId(), DLFileEntry.class.getName(),
88              fileEntry.getFileEntryId(), actionId);
89      }
90  
91  }