/*******************************************************************************
* Copyright (c) 2008-2011 Chair for Applied Software Engineering,
* Technische Universitaet Muenchen.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
******************************************************************************/
package org.eclipse.emf.emfstore.client.ui.views.emfstorebrowser.views;
import java.security.cert.X509Certificate;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.emfstore.client.model.connectionmanager.KeyStoreManager;
import org.eclipse.emf.emfstore.client.model.exceptions.CertificateStoreException;
import org.eclipse.emf.emfstore.client.model.exceptions.InvalidCertificateException;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
/**
* The modified ElementListSelectionDialog. Includes further functionality to
* import certificates from files instead of choosing from the list.
*
* @author pfeifferc
*/
public class CertificateSelectionDialog extends ElementListSelectionDialog {
private TableItem selectedTableItem;
private String alias = "";
/**
* The constructor.
*
* @param parent
* Parent
* @param renderer
* Renderer
*/
public CertificateSelectionDialog(Shell parent, ILabelProvider renderer) {
super(parent, renderer);
setShellStyle(SWT.CLOSE | SWT.TITLE | SWT.MIN | SWT.MAX);
}
/**
* Overridden method to allow adding further elements onto the dialog
* composite.
*
* @see org.eclipse.ui.dialogs.ElementListSelectionDialog#createDialogArea(org.eclipse.swt.widgets.Composite)
* @return Control
* @param parent
* Parent
*/
@Override
protected Control createDialogArea(Composite parent) {
// standard layout used by dialogue area
GridLayout layout = new GridLayout();
layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
// two column layout composite
Composite grid = new Composite(parent, SWT.NONE);
GridLayoutFactory.fillDefaults().numColumns(2).equalWidth(false).applyTo(grid);
// left column composite
Composite left = new Composite(grid, SWT.NONE);
GridLayoutFactory.fillDefaults().applyTo(left);
// right column composite
Composite right = new Composite(grid, SWT.NONE);
GridLayoutFactory.createFrom(layout).margins(layout.marginWidth, 35).applyTo(right);
GridDataFactory.fillDefaults().grab(true, true).hint(300, 200).applyTo(right);
applyDialogFont(right);
// right column: certificate details
new Label(right, SWT.NONE).setText("Certificate Alias: ");
final Text certAlias = new Text(right, SWT.NONE);
GridDataFactory.fillDefaults().grab(true, false).applyTo(certAlias);
certAlias.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));
certAlias.setEditable(false);
new Label(right, SWT.NONE).setText("Certificate Details: ");
final Text certDetails = new Text(right, SWT.MULTI | SWT.WRAP | SWT.V_SCROLL);
GridDataFactory.fillDefaults().grab(true, false).hint(300, 230).applyTo(certDetails);
certDetails.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));
certDetails.setEditable(false);
// left column: dialogue area composite (displays certificates and
// filter)
Composite dialogArea = new Composite(left, SWT.NONE);
GridLayoutFactory.fillDefaults().applyTo(dialogArea);
Control control = super.createDialogArea(dialogArea);
GridDataFactory.fillDefaults().grab(true, true).applyTo(control);
// left column: import button, composite used to ensure correct
// alignment
Composite certButtonsComposite = new Composite(grid, SWT.NONE);
GridLayoutFactory.createFrom(layout).numColumns(3).equalWidth(true).margins(layout.marginWidth, 0)
.applyTo(certButtonsComposite);
applyDialogFont(certButtonsComposite);
Button browse = new Button(certButtonsComposite, SWT.NONE);
browse.setText("Import...");
browse.addSelectionListener(new CertificateSelectionListener());
// Delete certificate
Button delete = new Button(certButtonsComposite, SWT.NONE);
delete.setText("Delete");
delete.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
// nothing to do
}
public void widgetSelected(SelectionEvent e) {
if (selectedTableItem != null && !selectedTableItem.equals("")) {
String alias = selectedTableItem.getText();
try {
KeyStoreManager.getInstance().deleteCertificate(alias);
setListElements(KeyStoreManager.getInstance().getCertificates().toArray());
} catch (CertificateStoreException e1) {
setErrorMessage(e1.getMessage());
}
}
}
});
fFilteredList.addSelectionListener(new SelectionListenerImplementation(certDetails, certAlias));
return control;
}
/**
* @return alias
*/
protected String getCertificateAlias() {
return alias;
}
/**
* @param message
* error message
*/
protected void setErrorMessage(String message) {
MessageDialog.openInformation(Display.getDefault().getActiveShell(), "Attention", message);
}
/**
* Certificate Selection Listener.
*
* @author koegel
*
*/
private final class SelectionListenerImplementation implements SelectionListener {
private final Text certDetails;
private final Text certAlias;
private SelectionListenerImplementation(Text certDetails, Text certAlias) {
this.certDetails = certDetails;
this.certAlias = certAlias;
}
public void widgetDefaultSelected(SelectionEvent e) {
// nothing to do
}
public void widgetSelected(SelectionEvent e) {
if (((Table) e.getSource()).getItems().length > 0) {
selectedTableItem = ((Table) e.getSource()).getItems()[((Table) e.getSource()).getSelectionIndex()];
alias = selectedTableItem.getText();
try {
X509Certificate selectedCertificate = (X509Certificate) KeyStoreManager.getInstance()
.getCertificate(alias);
String[] details = selectedCertificate.toString().split("\n");
String tmp = "";
for (int i = 2; i < 14; i++) {
tmp += (i == 7 || i == 8) ? "" : details[i].trim() + "\n";
}
certAlias.setText(alias);
certDetails.setText(tmp);
} catch (CertificateStoreException e1) {
setErrorMessage(e1.getMessage());
}
}
}
}
/**
* Choose certificate from file system and name it.
*
* @author pfeifferc
*/
class CertificateSelectionListener implements SelectionListener {
/**
* Add a certificate specified by the user.
*
* @param e
* selection event
*/
public void widgetSelected(SelectionEvent e) {
FileDialog fileDialog = new FileDialog(Display.getCurrent().getActiveShell());
fileDialog.open();
if (!fileDialog.getFileName().equals("")) {
String location = fileDialog.getFilterPath() + System.getProperty("file.separator")
+ fileDialog.getFileName();
InputDialog inputDialog = new InputDialog(Display.getCurrent().getActiveShell(),
"Select certificate designation",
"Please choose a designation for the previously selected certificate: ", "", null);
inputDialog.setBlockOnOpen(true);
if (inputDialog.open() != Window.OK) {
return;
}
String alias = inputDialog.getValue();
if (alias.equals("")) {
alias = "unnamed:" + EcoreUtil.generateUUID();
}
try {
KeyStoreManager.getInstance().addCertificate(alias, location);
} catch (final InvalidCertificateException e1) {
setErrorMessage("Invalid certificate!");
} catch (CertificateStoreException e1) {
setErrorMessage(e1.getMessage());
}
try {
setListElements(KeyStoreManager.getInstance().getCertificates().toArray());
} catch (CertificateStoreException e1) {
setErrorMessage(e1.getMessage());
}
}
}
/**
* @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent)
* @param e
* selection event
*/
public void widgetDefaultSelected(SelectionEvent e) {
// nothing to do
}
}
}