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/*******************************************************************************
* Copyright (c) 2007, 2015 IBM Corporation and others.
*
* 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
*
* Contributors:
* IBM Corporation - initial API and implementation
* Lars Vogel <Lars.Vogel@vogella.com> - Bug 474273
*******************************************************************************/
package org.eclipse.ui.internal.about;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map.Entry;
import java.util.Properties;
import java.util.StringTokenizer;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.IJobFunction;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.osgi.signedcontent.SignedContent;
import org.eclipse.osgi.signedcontent.SignedContentFactory;
import org.eclipse.osgi.signedcontent.SignerInfo;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.WorkbenchMessages;
import org.eclipse.ui.internal.WorkbenchPlugin;
import org.eclipse.ui.statushandlers.StatusManager;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
/**
* @since 3.3
*
*/
public class BundleSigningInfo {
private Composite composite;
private Text date;
private StyledText certificate;
private AboutBundleData data;
public void setData(AboutBundleData data) {
this.data = data;
startJobs();
}
public Control createContents(Composite parent) {
composite = new Composite(parent, SWT.BORDER);
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
GridLayout layout = new GridLayout(2, false);
layout.marginHeight = 0;
layout.marginWidth = 0;
composite.setLayout(layout);
// date
{
Label label = new Label(composite, SWT.NONE);
label.setText(WorkbenchMessages.BundleSigningTray_Signing_Date);
GridData data = new GridData(SWT.FILL, SWT.BEGINNING, true, false);
date = new Text(composite, SWT.READ_ONLY);
GC gc = new GC(date);
gc.setFont(JFaceResources.getDialogFont());
Point size = gc.stringExtent(DateFormat.getDateTimeInstance().format(new Date()));
data.widthHint = size.x;
gc.dispose();
date.setText(WorkbenchMessages.BundleSigningTray_Working);
date.setLayoutData(data);
}
// signer
{
Label label = new Label(composite, SWT.NONE);
label.setText(WorkbenchMessages.BundleSigningTray_Signing_Certificate);
GridData data = new GridData(SWT.BEGINNING, SWT.BEGINNING, true, false);
data.horizontalSpan = 2;
data = new GridData(SWT.FILL, SWT.FILL, true, true);
data.horizontalSpan = 2;
certificate = new StyledText(composite, SWT.READ_ONLY | SWT.MULTI | SWT.WRAP);
certificate.setText(WorkbenchMessages.BundleSigningTray_Working);
certificate.setLayoutData(data);
}
Dialog.applyDialogFont(composite);
startJobs(); // start the jobs that will prime the content
return composite;
}
/**
*
*/
private void startJobs() {
if (!isOpen())
return;
certificate.setText(WorkbenchMessages.BundleSigningTray_Working);
date.setText(WorkbenchMessages.BundleSigningTray_Working);
final BundleContext bundleContext = WorkbenchPlugin.getDefault().getBundleContext();
final ServiceReference<SignedContentFactory> factoryRef = bundleContext
.getServiceReference(SignedContentFactory.class);
if (factoryRef == null) {
StatusManager.getManager().handle(new Status(IStatus.WARNING, WorkbenchPlugin.PI_WORKBENCH,
WorkbenchMessages.BundleSigningTray_Cant_Find_Service), StatusManager.LOG);
return;
}
final SignedContentFactory contentFactory = bundleContext.getService(factoryRef);
if (contentFactory == null) {
StatusManager.getManager().handle(new Status(IStatus.WARNING, WorkbenchPlugin.PI_WORKBENCH,
WorkbenchMessages.BundleSigningTray_Cant_Find_Service), StatusManager.LOG);
return;
}
final AboutBundleData myData = data;
final Job signerJob = Job.create(
NLS.bind(WorkbenchMessages.BundleSigningTray_Determine_Signer_For, myData.getId()),
(IJobFunction) monitor -> {
try {
if (myData != data)
return Status.OK_STATUS;
SignedContent signedContent = contentFactory.getSignedContent(myData.getBundle());
if (myData != data)
return Status.OK_STATUS;
SignerInfo[] signers = signedContent.getSignerInfos();
final String signerText, dateText;
if (!isOpen() && BundleSigningInfo.this.data == myData)
return Status.OK_STATUS;
if (signers.length == 0) {
signerText = WorkbenchMessages.BundleSigningTray_Unsigned;
dateText = WorkbenchMessages.BundleSigningTray_Unsigned;
} else {
Properties[] certs = parseCerts(signers[0].getCertificateChain());
if (certs.length == 0)
signerText = WorkbenchMessages.BundleSigningTray_Unknown;
else {
StringBuilder buffer = new StringBuilder();
for (Iterator<Entry<Object, Object>> i = certs[0].entrySet().iterator(); i.hasNext();) {
Entry<Object, Object> entry = i.next();
buffer.append(entry.getKey());
buffer.append('=');
buffer.append(entry.getValue());
if (i.hasNext())
buffer.append('\n');
}
signerText = buffer.toString();
}
Date signDate = signedContent.getSigningTime(signers[0]);
if (signDate != null)
dateText = DateFormat.getDateTimeInstance().format(signDate);
else
dateText = WorkbenchMessages.BundleSigningTray_Unknown;
}
PlatformUI.getWorkbench().getDisplay().asyncExec(() -> {
// check to see if the tray is still visible
// and if
// we're still looking at the same item
if (!isOpen() && BundleSigningInfo.this.data != myData)
return;
certificate.setText(signerText);
date.setText(dateText);
});
} catch (IOException e1) {
return new Status(IStatus.ERROR, WorkbenchPlugin.PI_WORKBENCH, e1.getMessage(), e1);
} catch (GeneralSecurityException e2) {
return new Status(IStatus.ERROR, WorkbenchPlugin.PI_WORKBENCH, e2.getMessage(), e2);
}
return Status.OK_STATUS;
});
signerJob.setSystem(true);
signerJob.belongsTo(signerJob);
signerJob.schedule();
Job cleanup = Job.create(WorkbenchMessages.BundleSigningTray_Unget_Signing_Service, (IJobFunction) monitor -> {
try {
Job.getJobManager().join(signerJob, monitor);
} catch (OperationCanceledException e1) {
} catch (InterruptedException e2) {
}
bundleContext.ungetService(factoryRef);
return Status.OK_STATUS;
});
cleanup.setSystem(true);
cleanup.schedule();
}
/**
*
*/
private boolean isOpen() {
return certificate != null && !certificate.isDisposed();
}
private Properties[] parseCerts(Certificate[] chain) {
List<Properties> certs = new ArrayList<>(chain.length);
for (int i = 0; i < chain.length; i++) {
if (!(chain[i] instanceof X509Certificate))
continue;
Properties cert = parseCert(((X509Certificate) chain[i]).getSubjectDN().getName());
if (cert != null)
certs.add(cert);
}
return certs.toArray(new Properties[certs.size()]);
}
/**
* @param certString
* @return
*/
private Properties parseCert(String certString) {
StringTokenizer toker = new StringTokenizer(certString, ","); //$NON-NLS-1$
Properties cert = new Properties();
while (toker.hasMoreTokens()) {
String pair = toker.nextToken();
int idx = pair.indexOf('=');
if (idx > 0 && idx < pair.length() - 2) {
String key = pair.substring(0, idx).trim();
String value = pair.substring(idx + 1).trim();
if (value.length() > 2) {
if (value.charAt(0) == '\"')
value = value.substring(1);
if (value.charAt(value.length() - 1) == '\"')
value = value.substring(0, value.length() - 1);
}
cert.setProperty(key, value);
}
}
return cert;
}
public void dispose() {
composite.dispose();
}
}
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