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/*******************************************************************************
* Copyright (c) 2021 Red Hat Inc.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package org.eclipse.equinox.internal.p2.ui.sdk;
import java.io.*;
import java.util.ArrayList;
import java.util.List;
import org.bouncycastle.bcpg.ArmoredOutputStream;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.equinox.internal.p2.engine.phases.CertificateChecker;
import org.eclipse.equinox.internal.p2.ui.ProvUIActivator;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.viewers.*;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
public class TrustPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
public TrustPreferencePage() {
super(ProvSDKMessages.TrustPreferencePage_title);
}
@Override
public void init(IWorkbench workbench) {
// nothing to do
}
@Override
protected Control createContents(Composite parent) {
Composite res = new Composite(parent, SWT.NONE);
Label pgpLabel = new Label(res, SWT.WRAP);
pgpLabel.setLayoutData(new GridData(SWT.FILL, SWT.DEFAULT, true, false, 2, 1));
pgpLabel.setText(ProvSDKMessages.TrustPreferencePage_pgpIntro);
res.setLayout(new GridLayout(2, false));
TableViewer viewer = new TableViewer(res);
viewer.getTable().setHeaderVisible(true);
viewer.setContentProvider(new ArrayContentProvider());
TableViewerColumn idColumn = new TableViewerColumn(viewer, SWT.NONE);
idColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(Object element) {
return Long.toHexString(((PGPPublicKey) element).getKeyID()).toUpperCase();
}
});
idColumn.getColumn().setWidth(16 * 10); // number of chars in a key Id * some heuristic of width
idColumn.getColumn().setText(ProvSDKMessages.TrustPreferencePage_idColumn);
TableViewerColumn userColumn = new TableViewerColumn(viewer, SWT.NONE);
userColumn.setLabelProvider(new ColumnLabelProvider() {
@Override
public String getText(Object element) {
List<String> userIds = new ArrayList<>();
((PGPPublicKey) element).getUserIDs().forEachRemaining(userIds::add);
return String.join(",", userIds); //$NON-NLS-1$
}
});
userColumn.getColumn().setWidth(400);
userColumn.getColumn().setText(ProvSDKMessages.TrustPreferencePage_userColumn);
viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
viewer.setInput(
new CertificateChecker(ProvSDKUIActivator.getDefault().getProvisioningAgent()).buildPGPTrustore());
Composite buttonComposite = createVerticalButtonBar(res);
buttonComposite.setLayoutData(new GridData(SWT.DEFAULT, SWT.BEGINNING, false, false));
Button exportButton = new Button(buttonComposite, SWT.PUSH);
exportButton.setText(ProvSDKMessages.TrustPreferencePage_export);
setVerticalButtonLayoutData(exportButton);
exportButton.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
ISelection sel = viewer.getSelection();
if (!(sel instanceof IStructuredSelection)) {
return;
}
Object o = ((IStructuredSelection)sel).getFirstElement();
if (!(o instanceof PGPPublicKey)) {
return;
}
PGPPublicKey key = (PGPPublicKey)o;
FileDialog dialog = new FileDialog(getShell(), SWT.SAVE);
dialog.setText(ProvSDKMessages.TrustPreferencePage_fileExportTitle);
dialog.setFilterExtensions(new String[] { "*.asc" }); //$NON-NLS-1$
dialog.setFileName(Long.toHexString(key.getKeyID()).toUpperCase() + ".asc"); //$NON-NLS-1$
String path = dialog.open();
if (path == null) {
return;
}
File destinationFile = new File(path);
try (OutputStream output = new ArmoredOutputStream(new FileOutputStream(destinationFile))) {
output.write(key.getEncoded());
} catch (IOException ex) {
ProvSDKUIActivator.getDefault().getLog()
.log(new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, ex.getMessage(), ex));
}
}));
viewer.addPostSelectionChangedListener(e -> exportButton.setEnabled(!e.getSelection().isEmpty()));
exportButton.setEnabled(!viewer.getSelection().isEmpty());
return res;
}
private Composite createVerticalButtonBar(Composite parent) {
// Create composite.
Composite composite = new Composite(parent, SWT.NONE);
initializeDialogUnits(composite);
// create a layout with spacing and margins appropriate for the font
// size.
GridLayout layout = new GridLayout();
layout.numColumns = 1;
layout.marginWidth = 5;
layout.marginHeight = 0;
layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
composite.setLayout(layout);
return composite;
}
private GridData setVerticalButtonLayoutData(Button button) {
GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
int widthHint = convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH);
Point minSize = button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true);
data.widthHint = Math.max(widthHint, minSize.x);
button.setLayoutData(data);
return data;
}
}
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