bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/about/BundleSigningInfo.java - platform/eclipse.platform.ui - Git at Google

 /*******************************************************************************
  * 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 | 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 | 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 (Certificate e : chain) {
 			if (!(e instanceof X509Certificate)) {
 				continue;
 			}
 			Properties cert = parseCert(((X509Certificate) e).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();
 	}
 }
	/*******************************************************************************
	* 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 \| 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 \| 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 (Certificate e : chain) {
	if (!(e instanceof X509Certificate)) {
	continue;
	}
	Properties cert = parseCert(((X509Certificate) e).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();
	}
	}