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