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.imagegallery.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.imagegallery.model.IGFolder;
27  import com.liferay.portlet.imagegallery.model.IGImage;
28  import com.liferay.portlet.imagegallery.service.IGImageLocalServiceUtil;
29  
30  /**
31   * <a href="IGImagePermission.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Brian Wing Shun Chan
34   *
35   */
36  public class IGImagePermission {
37  
38      public static void check(
39              PermissionChecker permissionChecker, long imageId, String actionId)
40          throws PortalException, SystemException {
41  
42          if (!contains(permissionChecker, imageId, actionId)) {
43              throw new PrincipalException();
44          }
45      }
46  
47      public static void check(
48              PermissionChecker permissionChecker, IGImage image, String actionId)
49          throws PortalException {
50  
51          if (!contains(permissionChecker, image, actionId)) {
52              throw new PrincipalException();
53          }
54      }
55  
56      public static boolean contains(
57              PermissionChecker permissionChecker, long imageId, String actionId)
58          throws PortalException, SystemException {
59  
60          IGImage image = IGImageLocalServiceUtil.getImage(imageId);
61  
62          return contains(permissionChecker, image, actionId);
63      }
64  
65      public static boolean contains(
66          PermissionChecker permissionChecker, IGImage image, String actionId) {
67  
68          if (permissionChecker.hasOwnerPermission(
69                  image.getCompanyId(), IGImage.class.getName(),
70                  image.getImageId(), image.getUserId(), actionId)) {
71  
72              return true;
73          }
74  
75          IGFolder folder = image.getFolder();
76  
77          return permissionChecker.hasPermission(
78              folder.getGroupId(), IGImage.class.getName(), image.getImageId(),
79              actionId);
80      }
81  
82  }