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.wiki.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.portlet.wiki.NoSuchPageException;
31  import com.liferay.portlet.wiki.model.WikiNode;
32  import com.liferay.portlet.wiki.model.WikiPage;
33  import com.liferay.portlet.wiki.service.WikiPageLocalServiceUtil;
34  
35  /**
36   * <a href="WikiPagePermission.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Brian Wing Shun Chan
39   *
40   */
41  public class WikiPagePermission {
42  
43      public static void check(
44              PermissionChecker permissionChecker, long nodeId, String title,
45              String actionId)
46          throws PortalException, SystemException {
47  
48          if (!contains(permissionChecker, nodeId, title, actionId)) {
49              throw new PrincipalException();
50          }
51      }
52  
53      public static void check(
54              PermissionChecker permissionChecker, WikiPage page, String actionId)
55          throws PortalException {
56  
57          if (!contains(permissionChecker, page, actionId)) {
58              throw new PrincipalException();
59          }
60      }
61  
62      public static boolean contains(
63              PermissionChecker permissionChecker, long nodeId, String title,
64              String actionId)
65          throws PortalException, SystemException {
66  
67          try {
68              WikiPage page = WikiPageLocalServiceUtil.getPage(nodeId, title);
69  
70              return contains(permissionChecker, page, actionId);
71          }
72          catch (NoSuchPageException nspe) {
73              return WikiNodePermission.contains(
74                  permissionChecker, nodeId, ActionKeys.ADD_PAGE);
75          }
76      }
77  
78      public static boolean contains(
79          PermissionChecker permissionChecker, WikiPage page, String actionId) {
80  
81          if (permissionChecker.hasOwnerPermission(
82                  page.getCompanyId(), WikiPage.class.getName(), page.getPageId(),
83                  page.getUserId(), actionId)) {
84  
85              return true;
86          }
87  
88          WikiNode node = page.getNode();
89  
90          return permissionChecker.hasPermission(
91              node.getGroupId(), WikiPage.class.getName(),
92              page.getResourcePrimKey(), actionId);
93      }
94  
95  }