1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portlet.documentlibrary.service.permission;
21  
22  import com.liferay.portal.PortalException;
23  import com.liferay.portal.SystemException;
24  import com.liferay.portal.security.auth.PrincipalException;
25  import com.liferay.portal.security.permission.PermissionChecker;
26  import com.liferay.portlet.documentlibrary.model.DLFileEntry;
27  import com.liferay.portlet.documentlibrary.model.DLFolder;
28  import com.liferay.portlet.documentlibrary.service.DLFileEntryLocalServiceUtil;
29  
30  /**
31   * <a href="DLFileEntryPermission.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Brian Wing Shun Chan
34   * @author Charles May
35   *
36   */
37  public class DLFileEntryPermission {
38  
39      public static void check(
40              PermissionChecker permissionChecker, long folderId, String name,
41              String actionId)
42          throws PortalException, SystemException {
43  
44          if (!contains(permissionChecker, folderId, name, actionId)) {
45              throw new PrincipalException();
46          }
47      }
48  
49      public static void check(
50              PermissionChecker permissionChecker, DLFileEntry fileEntry,
51              String actionId)
52          throws PortalException {
53  
54          if (!contains(permissionChecker, fileEntry, actionId)) {
55              throw new PrincipalException();
56          }
57      }
58  
59      public static boolean contains(
60              PermissionChecker permissionChecker, long folderId, String name,
61              String actionId)
62          throws PortalException, SystemException {
63  
64          DLFileEntry fileEntry = DLFileEntryLocalServiceUtil.getFileEntry(
65              folderId, name);
66  
67          return contains(permissionChecker, fileEntry, actionId);
68      }
69  
70      public static boolean contains(
71          PermissionChecker permissionChecker, DLFileEntry fileEntry,
72          String actionId) {
73  
74          if (permissionChecker.hasOwnerPermission(
75                  fileEntry.getCompanyId(), DLFileEntry.class.getName(),
76                  fileEntry.getFileEntryId(), fileEntry.getUserId(), actionId)) {
77  
78              return true;
79          }
80  
81          DLFolder folder = fileEntry.getFolder();
82  
83          return permissionChecker.hasPermission(
84              folder.getGroupId(), DLFileEntry.class.getName(),
85              fileEntry.getFileEntryId(), actionId);
86      }
87  
88  }