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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.tobago.security;
21  
22  import org.apache.myfaces.tobago.component.UICommand;
23  
24  import javax.el.MethodExpression;
25  import javax.faces.context.FacesContext;
26  
27  
28  public class UISecuredCommand extends UICommand {
29  
30    public static final String COMPONENT_TYPE = "org.apache.myfaces.tobago.SecuredCommand";
31  
32    /**
33     * No-arg constructor used during restoreState
34     */
35    public UISecuredCommand() {
36    }
37  
38    @Override
39    public boolean isDisabled() {
40      if (getActionExpression() instanceof CheckAuthorisationMethodExpression) {
41        return !((CheckAuthorisationMethodExpression)
42            getActionExpression()).isAuthorized(FacesContext.getCurrentInstance())
43            || super.isDisabled();
44      }
45      return super.isDisabled();
46    }
47  
48    @Override
49    public void setActionExpression(final MethodExpression actionExpression) {
50      if (actionExpression != null) {
51        super.setActionExpression(new CheckAuthorisationMethodExpression(actionExpression));
52      } else {
53        super.setActionExpression(actionExpression);
54      }
55    }
56  }