1   /**
2    * Copyright (c) 2000-2008 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.workflow.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.workflow.model.WorkflowInstance;
30  import com.liferay.portlet.workflow.model.WorkflowTask;
31  
32  /**
33   * <a href="WorkflowTaskPermission.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   *
37   */
38  public class WorkflowTaskPermission {
39  
40      public static void check(
41              PermissionChecker permissionChecker, long taskId, String actionId)
42          throws PortalException, SystemException {
43  
44          if (!contains(permissionChecker, taskId, actionId)) {
45              throw new PrincipalException();
46          }
47      }
48  
49      public static void check(
50              PermissionChecker permissionChecker, WorkflowTask task,
51              String actionId)
52          throws PortalException, SystemException {
53  
54          if (!contains(permissionChecker, task, actionId)) {
55              throw new PrincipalException();
56          }
57      }
58  
59      public static boolean contains(
60              PermissionChecker permissionChecker, long taskId, String actionId)
61          throws PortalException, SystemException {
62  
63          return contains(permissionChecker, taskId, 0, actionId);
64      }
65  
66      public static boolean contains(
67              PermissionChecker permissionChecker, long taskId, long instanceId,
68              String actionId)
69          throws PortalException, SystemException {
70  
71          if (permissionChecker.hasPermission(
72                  0, WorkflowTask.class.getName(), taskId, actionId)) {
73  
74              return true;
75          }
76          else if (permissionChecker.hasPermission(
77                      0, WorkflowInstance.class.getName(), instanceId,
78                      actionId)) {
79  
80              return true;
81          }
82  
83          return false;
84      }
85  
86      public static boolean contains(
87              PermissionChecker permissionChecker, WorkflowTask task,
88              String actionId)
89          throws PortalException, SystemException {
90  
91          WorkflowInstance instance = task.getInstance();
92  
93          return contains(
94              permissionChecker, task.getTaskId(), instance.getInstanceId(),
95              actionId);
96      }
97  
98  }