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1   /**
2    * This file Copyright (c) 2013 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.security.app.dialog.field;
35  
36  import info.magnolia.cms.security.Permission;
37  import info.magnolia.jcr.RuntimeRepositoryException;
38  import info.magnolia.jcr.util.NodeUtil;
39  import info.magnolia.ui.vaadin.integration.jcr.AbstractJcrNodeAdapter;
40  import info.magnolia.ui.vaadin.integration.jcr.DefaultProperty;
41  import info.magnolia.ui.vaadin.integration.jcr.JcrNewNodeAdapter;
42  import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
43  
44  import javax.jcr.Node;
45  import javax.jcr.RepositoryException;
46  
47  import com.vaadin.data.Item;
48  import com.vaadin.data.Property;
49  import com.vaadin.ui.AbstractOrderedLayout;
50  import com.vaadin.ui.Button;
51  import com.vaadin.ui.Component;
52  import com.vaadin.ui.CustomField;
53  import com.vaadin.ui.Field;
54  import com.vaadin.ui.HorizontalLayout;
55  import com.vaadin.ui.Label;
56  import com.vaadin.ui.NativeSelect;
57  import com.vaadin.ui.TextField;
58  import com.vaadin.ui.VerticalLayout;
59  
60  /**
61   * Field builder for the web access field.
62   *
63   * @param <D> definition type
64   * @see WebAccessFieldDefinition
65   */
66  public class WebAccessFieldFactory<D extends WebAccessFieldDefinition> extends AbstractAccessFieldFactory<D> {
67  
68      private static final String ACL_NODE_NAME = "acl_uri";
69      private static final String PERMISSIONS_PROPERTY_NAME = "permissions";
70      private static final String PATH_PROPERTY_NAME = "path";
71  
72      public WebAccessFieldFactory(D definition, Item relatedFieldItem) {
73          super(definition, relatedFieldItem);
74      }
75  
76      @Override
77      protected Field<Object> createFieldComponent() {
78  
79          final VerticalLayout layout = new VerticalLayout();
80          layout.setSpacing(true);
81  
82          try {
83  
84              final JcrNodeAdapter roleItem = (JcrNodeAdapter) item;
85              Node roleNode = roleItem.getJcrItem();
86  
87              final VerticalLayout aclLayout = new VerticalLayout();
88  
89              final Label emptyLabel = new Label("No access.");
90  
91              if (roleNode.hasNode(ACL_NODE_NAME)) {
92  
93                  final Node aclNode = roleNode.getNode(ACL_NODE_NAME);
94                  AbstractJcrNodeAdapter aclItem = new JcrNodeAdapter(aclNode);
95                  roleItem.addChild(aclItem);
96  
97                  for (Node entryNode : NodeUtil.getNodes(aclNode)) {
98  
99                      AbstractJcrNodeAdapter entryItem = new JcrNodeAdapter(entryNode);
100                     aclItem.addChild(entryItem);
101 
102                     Component ruleRow = createRuleRow(aclLayout, entryItem, emptyLabel);
103                     aclLayout.addComponent(ruleRow);
104                 }
105             }
106 
107             if (aclLayout.getComponentCount() == 0) {
108                 aclLayout.addComponent(emptyLabel);
109             }
110 
111             final HorizontalLayout buttons = new HorizontalLayout();
112             final Button addButton = new Button("Add new");
113             addButton.addClickListener(new Button.ClickListener() {
114 
115                 @Override
116                 public void buttonClick(Button.ClickEvent event) {
117 
118                     try {
119                         AbstractJcrNodeAdapter aclItem = getOrAddAclItem(roleItem, ACL_NODE_NAME);
120                         JcrNewNodeAdapter newItem = addAclEntryItem(aclItem);
121                         Component ruleRow = createRuleRow(aclLayout, newItem, emptyLabel);
122                         aclLayout.removeComponent(emptyLabel);
123                         aclLayout.addComponent(ruleRow, aclLayout.getComponentCount() - 1);
124 
125                     } catch (RepositoryException e) {
126                         throw new RuntimeRepositoryException(e);
127                     }
128                 }
129             });
130             buttons.addComponent(addButton);
131             aclLayout.addComponent(buttons);
132 
133             layout.addComponent(aclLayout);
134 
135         } catch (RepositoryException e) {
136             throw new RuntimeRepositoryException(e);
137         }
138 
139         return new CustomField<Object>() {
140 
141             @Override
142             protected Component initContent() {
143                 return layout;
144             }
145 
146             @Override
147             public Class<?> getType() {
148                 return Object.class;
149             }
150         };
151     }
152 
153     private Component createRuleRow(final AbstractOrderedLayout parentContainer, final AbstractJcrNodeAdapter ruleItem, final Label emptyLabel) {
154 
155         final HorizontalLayout ruleLayout = new HorizontalLayout();
156         ruleLayout.setSpacing(true);
157 
158         NativeSelect accessRights = new NativeSelect();
159         accessRights.addItem(Permission.ALL);
160         accessRights.setItemCaption(Permission.ALL, "Get & Post");
161         accessRights.addItem(Permission.READ);
162         accessRights.setItemCaption(Permission.READ, "Get");
163         accessRights.addItem(Permission.NONE);
164         accessRights.setItemCaption(Permission.NONE, "Deny");
165         accessRights.setNullSelectionAllowed(false);
166         accessRights.setImmediate(true);
167         accessRights.setInvalidAllowed(false);
168         accessRights.setNewItemsAllowed(false);
169         Property permissionsProperty = ruleItem.getItemProperty(PERMISSIONS_PROPERTY_NAME);
170         if (permissionsProperty == null) {
171             permissionsProperty = new DefaultProperty<Long>(Long.class, Permission.ALL);
172             ruleItem.addItemProperty(PERMISSIONS_PROPERTY_NAME, permissionsProperty);
173         }
174         accessRights.setPropertyDataSource(permissionsProperty);
175         ruleLayout.addComponent(accessRights);
176 
177         TextField path = new TextField();
178         path.setWidth("375px");
179         Property pathProperty = ruleItem.getItemProperty(PATH_PROPERTY_NAME);
180         if (pathProperty == null) {
181             pathProperty = new DefaultProperty<String>(String.class, "/*");
182             ruleItem.addItemProperty(PATH_PROPERTY_NAME, pathProperty);
183         }
184         path.setPropertyDataSource(pathProperty);
185         ruleLayout.addComponent(path);
186 
187         final Button deleteButton = new Button();
188         deleteButton.setHtmlContentAllowed(true);
189         deleteButton.setCaption("<span class=\"" + "icon-trash" + "\"></span>");
190         deleteButton.addStyleName("inline");
191         deleteButton.setDescription("Delete");
192         deleteButton.addClickListener(new Button.ClickListener() {
193 
194             @Override
195             public void buttonClick(Button.ClickEvent event) {
196                 parentContainer.removeComponent(ruleLayout);
197                 ruleItem.getParent().removeChild(ruleItem);
198                 if (parentContainer.getComponentCount() == 1) {
199                     parentContainer.addComponent(emptyLabel, 0);
200                 }
201             }
202         });
203         ruleLayout.addComponent(deleteButton);
204 
205         return ruleLayout;
206     }
207 }