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