workbench/commands/OpenChangePasswordDialog.java

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.argeo.cms.ui.workbench.commands;
  17
  18 import static org.argeo.cms.CmsMsg.changePassword;
  19 import static org.argeo.cms.CmsMsg.currentPassword;
  20 import static org.argeo.cms.CmsMsg.newPassword;
  21 import static org.argeo.cms.CmsMsg.passwordChanged;
  22 import static org.argeo.cms.CmsMsg.repeatNewPassword;
  23 import static org.eclipse.jface.dialogs.IMessageProvider.INFORMATION;
  24
  25 import java.security.AccessController;
  26
  27 import javax.naming.InvalidNameException;
  28 import javax.naming.ldap.LdapName;
  29 import javax.security.auth.Subject;
  30 import javax.security.auth.x500.X500Principal;
  31 import javax.transaction.UserTransaction;
  32
  33 import org.apache.commons.logging.Log;
  34 import org.apache.commons.logging.LogFactory;
  35 import org.argeo.cms.CmsException;
  36 import org.argeo.eclipse.ui.dialogs.ErrorFeedback;
  37 import org.eclipse.core.commands.AbstractHandler;
  38 import org.eclipse.core.commands.ExecutionEvent;
  39 import org.eclipse.core.commands.ExecutionException;
  40 import org.eclipse.jface.dialogs.Dialog;
  41 import org.eclipse.jface.dialogs.MessageDialog;
  42 import org.eclipse.jface.dialogs.TitleAreaDialog;
  43 import org.eclipse.swt.SWT;
  44 import org.eclipse.swt.graphics.Point;
  45 import org.eclipse.swt.layout.GridData;
  46 import org.eclipse.swt.layout.GridLayout;
  47 import org.eclipse.swt.widgets.Composite;
  48 import org.eclipse.swt.widgets.Control;
  49 import org.eclipse.swt.widgets.Label;
  50 import org.eclipse.swt.widgets.Shell;
  51 import org.eclipse.swt.widgets.Text;
  52 import org.eclipse.ui.handlers.HandlerUtil;
  53 import org.osgi.service.useradmin.User;
  54 import org.osgi.service.useradmin.UserAdmin;
  55
  56 /** Open the change password dialog */
  57 public class OpenChangePasswordDialog extends AbstractHandler {
  58         private final static Log log = LogFactory.getLog(OpenChangePasswordDialog.class);
  59         private UserAdmin userAdmin;
  60         private UserTransaction userTransaction;
  61
  62         public Object execute(ExecutionEvent event) throws ExecutionException {
  63                 ChangePasswordDialog dialog = new ChangePasswordDialog(HandlerUtil.getActiveShell(event), userAdmin);
  64                 if (dialog.open() == Dialog.OK) {
  65                         MessageDialog.openInformation(HandlerUtil.getActiveShell(event), passwordChanged.lead(),
  66                                         passwordChanged.lead());
  67                 }
  68                 return null;
  69         }
  70
  71         @SuppressWarnings("unchecked")
  72         protected void changePassword(char[] oldPassword, char[] newPassword) {
  73                 Subject subject = Subject.getSubject(AccessController.getContext());
  74                 String name = subject.getPrincipals(X500Principal.class).iterator().next().toString();
  75                 LdapName dn;
  76                 try {
  77                         dn = new LdapName(name);
  78                 } catch (InvalidNameException e) {
  79                         throw new CmsException("Invalid user dn " + name, e);
  80                 }
  81                 User user = (User) userAdmin.getRole(dn.toString());
  82                 if (!user.hasCredential(null, oldPassword))
  83                         throw new CmsException("Invalid password");
  84                 if (newPassword.equals(""))
  85                         throw new CmsException("New password empty");
  86                 try {
  87                         userTransaction.begin();
  88                         user.getCredentials().put(null, newPassword);
  89                         userTransaction.commit();
  90                 } catch (Exception e) {
  91                         try {
  92                                 userTransaction.rollback();
  93                         } catch (Exception e1) {
  94                                 log.error("Could not roll back", e1);
  95                         }
  96                         if (e instanceof RuntimeException)
  97                                 throw (RuntimeException) e;
  98                         else
  99                                 throw new CmsException("Cannot change password", e);
 100                 }
 101         }
 102
 103         class ChangePasswordDialog extends TitleAreaDialog {
 104                 private static final long serialVersionUID = -6963970583882720962L;
 105                 private Text oldPassword, newPassword1, newPassword2;
 106
 107                 public ChangePasswordDialog(Shell parentShell, UserAdmin securityService) {
 108                         super(parentShell);
 109                 }
 110
 111                 protected Point getInitialSize() {
 112                         return new Point(400, 450);
 113                 }
 114
 115                 protected Control createDialogArea(Composite parent) {
 116                         Composite dialogarea = (Composite) super.createDialogArea(parent);
 117                         dialogarea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 118                         Composite composite = new Composite(dialogarea, SWT.NONE);
 119                         composite.setLayout(new GridLayout(2, false));
 120                         composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
 121                         oldPassword = createLP(composite, currentPassword.lead());
 122                         newPassword1 = createLP(composite, newPassword.lead());
 123                         newPassword2 = createLP(composite, repeatNewPassword.lead());
 124
 125                         setMessage(changePassword.lead(), INFORMATION);
 126                         parent.pack();
 127                         oldPassword.setFocus();
 128                         return composite;
 129                 }
 130
 131                 @Override
 132                 protected void okPressed() {
 133                         try {
 134                                 if (!newPassword1.getText().equals(newPassword2.getText()))
 135                                         throw new CmsException("New passwords are different");
 136                                 changePassword(oldPassword.getTextChars(), newPassword1.getTextChars());
 137                                 close();
 138                         } catch (Exception e) {
 139                                 ErrorFeedback.show("Cannot change password", e);
 140                         }
 141                 }
 142
 143                 /** Creates label and password. */
 144                 protected Text createLP(Composite parent, String label) {
 145                         new Label(parent, SWT.NONE).setText(label);
 146                         Text text = new Text(parent, SWT.SINGLE | SWT.LEAD | SWT.PASSWORD | SWT.BORDER);
 147                         text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
 148                         return text;
 149                 }
 150
 151                 protected void configureShell(Shell shell) {
 152                         super.configureShell(shell);
 153                         shell.setText(changePassword.lead());
 154                 }
 155         }
 156
 157         public void setUserAdmin(UserAdmin userAdmin) {
 158                 this.userAdmin = userAdmin;
 159         }
 160
 161         public void setUserTransaction(UserTransaction userTransaction) {
 162                 this.userTransaction = userTransaction;
 163         }
 164 }