bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/internal/p2/ui/ValidationDialogServiceUI.java - equinox/rt.equinox.p2 - Git at Google

 /*******************************************************************************
  *  Copyright (c) 2008, 2018 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
  *     Rapicorp, Inc. - add support for information dialog
  *******************************************************************************/
 package org.eclipse.equinox.internal.p2.ui;

 import java.net.URL;
 import java.security.cert.Certificate;
 import org.eclipse.core.runtime.*;
 import org.eclipse.core.runtime.jobs.Job;
 import org.eclipse.equinox.internal.p2.ui.dialogs.TrustCertificateDialog;
 import org.eclipse.equinox.internal.p2.ui.dialogs.UserValidationDialog;
 import org.eclipse.equinox.internal.p2.ui.viewers.CertificateLabelProvider;
 import org.eclipse.equinox.p2.core.UIServices;
 import org.eclipse.equinox.p2.ui.LoadMetadataRepositoryJob;
 import org.eclipse.jface.dialogs.*;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.jface.window.Window;
 import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.PlatformUI;

 /**
  * The default GUI-based implementation of {@link UIServices}.
  * The service declaration is made in the serviceui_component.xml file.

  */
 public class ValidationDialogServiceUI extends UIServices {

 	static final class MessageDialogWithLink extends MessageDialog {
 		private final String linkText;

 		MessageDialogWithLink(Shell parentShell, String dialogTitle, Image dialogTitleImage, String dialogMessage, int dialogImageType, String[] dialogButtonLabels, int defaultIndex, String linkText) {
 			super(parentShell, dialogTitle, dialogTitleImage, dialogMessage, dialogImageType, dialogButtonLabels, defaultIndex);
 			this.linkText = linkText;
 		}

 		@Override
 		protected Control createCustomArea(Composite parent) {
 			if (linkText == null)
 				return super.createCustomArea(parent);

 			Link link = new Link(parent, SWT.NONE);
 			link.setText(linkText);
 			link.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
 				try {
 					URL url = new URL(e.text);
 					PlatformUI.getWorkbench().getBrowserSupport().getExternalBrowser().openURL(url);
 				} catch (Exception x) {
 					ProvUIActivator.getDefault().getLog().log(//
 							new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, x.getMessage(), x));
 				}
 			}));
 			return link;
 		}
 	}

 	/**
 	 * Subclassed to add a cancel button to the error dialog.
 	 */
 	static class OkCancelErrorDialog extends ErrorDialog {

 		public OkCancelErrorDialog(Shell parentShell, String dialogTitle, String message, IStatus status, int displayMask) {
 			super(parentShell, dialogTitle, message, status, displayMask);
 		}

 		@Override
 		protected void createButtonsForButtonBar(Composite parent) {
 			// create OK and Details buttons
 			createButton(parent, IDialogConstants.OK_ID, ProvUIMessages.ServiceUI_InstallAnywayAction_Label, true);
 			createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, true);
 			createDetailsButton(parent);
 		}
 	}

 	@Override
 	public AuthenticationInfo getUsernamePassword(final String location) {

 		final AuthenticationInfo[] result = new AuthenticationInfo[1];
 		if (!suppressAuthentication() && !isHeadless()) {
 			PlatformUI.getWorkbench().getDisplay().syncExec(() -> {
 				Shell shell = ProvUI.getDefaultParentShell();
 				String message = NLS.bind(ProvUIMessages.ServiceUI_LoginDetails, location);
 				UserValidationDialog dialog = new UserValidationDialog(shell, ProvUIMessages.ServiceUI_LoginRequired, null, message);
 				int dialogCode = dialog.open();
 				if (dialogCode == Window.OK) {
 					result[0] = dialog.getResult();
 				} else if (dialogCode == Window.CANCEL) {
 					result[0] = AUTHENTICATION_PROMPT_CANCELED;
 				}
 			});
 		}
 		return result[0];
 	}

 	private boolean suppressAuthentication() {
 		Job job = Job.getJobManager().currentJob();
 		if (job != null) {
 			return job.getProperty(LoadMetadataRepositoryJob.SUPPRESS_AUTHENTICATION_JOB_MARKER) != null;
 		}
 		return false;
 	}

 	@Override
 	public TrustInfo getTrustInfo(Certificate[][] untrustedChains, final String[] unsignedDetail) {
 		boolean trustUnsigned = true;
 		boolean persistTrust = false;
 		Certificate[] trusted = new Certificate[0];
 		// Some day we may summarize all of this in one UI, or perhaps we'll have a preference to honor regarding
 		// unsigned content.  For now we prompt separately first as to whether unsigned detail should be trusted
 		if (!isHeadless() && unsignedDetail != null && unsignedDetail.length > 0) {
 			final boolean[] result = new boolean[] {false};
 			PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() {
 				@Override
 				public void run() {
 					Shell shell = ProvUI.getDefaultParentShell();
 					OkCancelErrorDialog dialog = new OkCancelErrorDialog(shell, ProvUIMessages.ServiceUI_warning_title, null, createStatus(), IStatus.WARNING);
 					result[0] = dialog.open() == IDialogConstants.OK_ID;
 				}

 				private IStatus createStatus() {
 					MultiStatus parent = new MultiStatus(ProvUIActivator.PLUGIN_ID, 0, ProvUIMessages.ServiceUI_unsigned_message, null);
 					for (String element : unsignedDetail) {
 						parent.add(new Status(IStatus.WARNING, ProvUIActivator.PLUGIN_ID, element));
 					}
 					return parent;
 				}
 			});
 			trustUnsigned = result[0];
 		}
 		// For now, there is no need to show certificates if there was unsigned content and we don't trust it.
 		if (!trustUnsigned)
 			return new TrustInfo(trusted, persistTrust, trustUnsigned);

 		// We've established trust for unsigned content, now examine the untrusted chains
 		if (!isHeadless() && untrustedChains != null && untrustedChains.length > 0) {

 			final Object[] result = new Object[1];
 			final TreeNode[] input = createTreeNodes(untrustedChains);

 			PlatformUI.getWorkbench().getDisplay().syncExec(() -> {
 				Shell shell = ProvUI.getDefaultParentShell();
 				ILabelProvider labelProvider = new CertificateLabelProvider();
 				TreeNodeContentProvider contentProvider = new TreeNodeContentProvider();
 				TrustCertificateDialog trustCertificateDialog = new TrustCertificateDialog(shell, input, labelProvider, contentProvider);
 				trustCertificateDialog.open();
 				Certificate[] values = new Certificate[trustCertificateDialog.getResult() == null ? 0 : trustCertificateDialog.getResult().length];
 				for (int i = 0; i < values.length; i++) {
 					values[i] = (Certificate) ((TreeNode) trustCertificateDialog.getResult()[i]).getValue();
 				}
 				result[0] = values;
 			});
 			persistTrust = true;
 			trusted = (Certificate[]) result[0];
 		}
 		return new TrustInfo(trusted, persistTrust, trustUnsigned);
 	}

 	private TreeNode[] createTreeNodes(Certificate[][] certificates) {
 		TreeNode[] children = new TreeNode[certificates.length];
 		for (int i = 0; i < certificates.length; i++) {
 			TreeNode head = new TreeNode(certificates[i][0]);
 			TreeNode parent = head;
 			children[i] = head;
 			for (int j = 0; j < certificates[i].length; j++) {
 				TreeNode node = new TreeNode(certificates[i][j]);
 				node.setParent(parent);
 				parent.setChildren(new TreeNode[] {node});
 				parent = node;
 			}
 		}
 		return children;
 	}

 	@Override
 	public AuthenticationInfo getUsernamePassword(final String location, final AuthenticationInfo previousInfo) {
 		final AuthenticationInfo[] result = new AuthenticationInfo[1];
 		if (!suppressAuthentication() && !isHeadless()) {
 			PlatformUI.getWorkbench().getDisplay().syncExec(() -> {
 				Shell shell = ProvUI.getDefaultParentShell();
 				String message = null;
 				if (previousInfo.saveResult())
 					message = NLS.bind(ProvUIMessages.ProvUIMessages_SavedNotAccepted_EnterFor_0, location);
 				else
 					message = NLS.bind(ProvUIMessages.ProvUIMessages_NotAccepted_EnterFor_0, location);

 				UserValidationDialog dialog = new UserValidationDialog(previousInfo, shell, ProvUIMessages.ServiceUI_LoginRequired, null, message);
 				int dialogCode = dialog.open();
 				if (dialogCode == Window.OK) {
 					result[0] = dialog.getResult();
 				} else if (dialogCode == Window.CANCEL) {
 					result[0] = AUTHENTICATION_PROMPT_CANCELED;
 				}
 			});
 		}
 		return result[0];
 	}

 	@Override
 	public void showInformationMessage(final String title, final String text, final String linkText) {
 		if (isHeadless()) {
 			super.showInformationMessage(title, text, linkText);
 			return;
 		}
 		PlatformUI.getWorkbench().getDisplay().syncExec(() -> {
 			MessageDialog dialog = new MessageDialogWithLink(ProvUI.getDefaultParentShell(), title, null, text, MessageDialog.INFORMATION, new String[] {IDialogConstants.OK_LABEL}, 0, linkText);
 			dialog.open();
 		});
 	}

 	private boolean isHeadless() {
 		// If there is no UI available and we are still the IServiceUI,
 		// assume that the operation should proceed.  See
 		// https://bugs.eclipse.org/bugs/show_bug.cgi?id=291049
 		return !PlatformUI.isWorkbenchRunning();
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2008, 2018 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
	* Rapicorp, Inc. - add support for information dialog
	*******************************************************************************/
	package org.eclipse.equinox.internal.p2.ui;

	import java.net.URL;
	import java.security.cert.Certificate;
	import org.eclipse.core.runtime.*;
	import org.eclipse.core.runtime.jobs.Job;
	import org.eclipse.equinox.internal.p2.ui.dialogs.TrustCertificateDialog;
	import org.eclipse.equinox.internal.p2.ui.dialogs.UserValidationDialog;
	import org.eclipse.equinox.internal.p2.ui.viewers.CertificateLabelProvider;
	import org.eclipse.equinox.p2.core.UIServices;
	import org.eclipse.equinox.p2.ui.LoadMetadataRepositoryJob;
	import org.eclipse.jface.dialogs.*;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.jface.window.Window;
	import org.eclipse.osgi.util.NLS;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.PlatformUI;

	/**
	* The default GUI-based implementation of {@link UIServices}.
	* The service declaration is made in the serviceui_component.xml file.

	*/
	public class ValidationDialogServiceUI extends UIServices {

	static final class MessageDialogWithLink extends MessageDialog {
	private final String linkText;

	MessageDialogWithLink(Shell parentShell, String dialogTitle, Image dialogTitleImage, String dialogMessage, int dialogImageType, String[] dialogButtonLabels, int defaultIndex, String linkText) {
	super(parentShell, dialogTitle, dialogTitleImage, dialogMessage, dialogImageType, dialogButtonLabels, defaultIndex);
	this.linkText = linkText;
	}

	@Override
	protected Control createCustomArea(Composite parent) {
	if (linkText == null)
	return super.createCustomArea(parent);

	Link link = new Link(parent, SWT.NONE);
	link.setText(linkText);
	link.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
	try {
	URL url = new URL(e.text);
	PlatformUI.getWorkbench().getBrowserSupport().getExternalBrowser().openURL(url);
	} catch (Exception x) {
	ProvUIActivator.getDefault().getLog().log(//
	new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, x.getMessage(), x));
	}
	}));
	return link;
	}
	}

	/**
	* Subclassed to add a cancel button to the error dialog.
	*/
	static class OkCancelErrorDialog extends ErrorDialog {

	public OkCancelErrorDialog(Shell parentShell, String dialogTitle, String message, IStatus status, int displayMask) {
	super(parentShell, dialogTitle, message, status, displayMask);
	}

	@Override
	protected void createButtonsForButtonBar(Composite parent) {
	// create OK and Details buttons
	createButton(parent, IDialogConstants.OK_ID, ProvUIMessages.ServiceUI_InstallAnywayAction_Label, true);
	createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, true);
	createDetailsButton(parent);
	}
	}

	@Override
	public AuthenticationInfo getUsernamePassword(final String location) {

	final AuthenticationInfo[] result = new AuthenticationInfo[1];
	if (!suppressAuthentication() && !isHeadless()) {
	PlatformUI.getWorkbench().getDisplay().syncExec(() -> {
	Shell shell = ProvUI.getDefaultParentShell();
	String message = NLS.bind(ProvUIMessages.ServiceUI_LoginDetails, location);
	UserValidationDialog dialog = new UserValidationDialog(shell, ProvUIMessages.ServiceUI_LoginRequired, null, message);
	int dialogCode = dialog.open();
	if (dialogCode == Window.OK) {
	result[0] = dialog.getResult();
	} else if (dialogCode == Window.CANCEL) {
	result[0] = AUTHENTICATION_PROMPT_CANCELED;
	}
	});
	}
	return result[0];
	}

	private boolean suppressAuthentication() {
	Job job = Job.getJobManager().currentJob();
	if (job != null) {
	return job.getProperty(LoadMetadataRepositoryJob.SUPPRESS_AUTHENTICATION_JOB_MARKER) != null;
	}
	return false;
	}

	@Override
	public TrustInfo getTrustInfo(Certificate[][] untrustedChains, final String[] unsignedDetail) {
	boolean trustUnsigned = true;
	boolean persistTrust = false;
	Certificate[] trusted = new Certificate[0];
	// Some day we may summarize all of this in one UI, or perhaps we'll have a preference to honor regarding
	// unsigned content. For now we prompt separately first as to whether unsigned detail should be trusted
	if (!isHeadless() && unsignedDetail != null && unsignedDetail.length > 0) {
	final boolean[] result = new boolean[] {false};
	PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() {
	@Override
	public void run() {
	Shell shell = ProvUI.getDefaultParentShell();
	OkCancelErrorDialog dialog = new OkCancelErrorDialog(shell, ProvUIMessages.ServiceUI_warning_title, null, createStatus(), IStatus.WARNING);
	result[0] = dialog.open() == IDialogConstants.OK_ID;
	}

	private IStatus createStatus() {
	MultiStatus parent = new MultiStatus(ProvUIActivator.PLUGIN_ID, 0, ProvUIMessages.ServiceUI_unsigned_message, null);
	for (String element : unsignedDetail) {
	parent.add(new Status(IStatus.WARNING, ProvUIActivator.PLUGIN_ID, element));
	}
	return parent;
	}
	});
	trustUnsigned = result[0];
	}
	// For now, there is no need to show certificates if there was unsigned content and we don't trust it.
	if (!trustUnsigned)
	return new TrustInfo(trusted, persistTrust, trustUnsigned);

	// We've established trust for unsigned content, now examine the untrusted chains
	if (!isHeadless() && untrustedChains != null && untrustedChains.length > 0) {

	final Object[] result = new Object[1];
	final TreeNode[] input = createTreeNodes(untrustedChains);

	PlatformUI.getWorkbench().getDisplay().syncExec(() -> {
	Shell shell = ProvUI.getDefaultParentShell();
	ILabelProvider labelProvider = new CertificateLabelProvider();
	TreeNodeContentProvider contentProvider = new TreeNodeContentProvider();
	TrustCertificateDialog trustCertificateDialog = new TrustCertificateDialog(shell, input, labelProvider, contentProvider);
	trustCertificateDialog.open();
	Certificate[] values = new Certificate[trustCertificateDialog.getResult() == null ? 0 : trustCertificateDialog.getResult().length];
	for (int i = 0; i < values.length; i++) {
	values[i] = (Certificate) ((TreeNode) trustCertificateDialog.getResult()[i]).getValue();
	}
	result[0] = values;
	});
	persistTrust = true;
	trusted = (Certificate[]) result[0];
	}
	return new TrustInfo(trusted, persistTrust, trustUnsigned);
	}

	private TreeNode[] createTreeNodes(Certificate[][] certificates) {
	TreeNode[] children = new TreeNode[certificates.length];
	for (int i = 0; i < certificates.length; i++) {
	TreeNode head = new TreeNode(certificates[i][0]);
	TreeNode parent = head;
	children[i] = head;
	for (int j = 0; j < certificates[i].length; j++) {
	TreeNode node = new TreeNode(certificates[i][j]);
	node.setParent(parent);
	parent.setChildren(new TreeNode[] {node});
	parent = node;
	}
	}
	return children;
	}

	@Override
	public AuthenticationInfo getUsernamePassword(final String location, final AuthenticationInfo previousInfo) {
	final AuthenticationInfo[] result = new AuthenticationInfo[1];
	if (!suppressAuthentication() && !isHeadless()) {
	PlatformUI.getWorkbench().getDisplay().syncExec(() -> {
	Shell shell = ProvUI.getDefaultParentShell();
	String message = null;
	if (previousInfo.saveResult())
	message = NLS.bind(ProvUIMessages.ProvUIMessages_SavedNotAccepted_EnterFor_0, location);
	else
	message = NLS.bind(ProvUIMessages.ProvUIMessages_NotAccepted_EnterFor_0, location);

	UserValidationDialog dialog = new UserValidationDialog(previousInfo, shell, ProvUIMessages.ServiceUI_LoginRequired, null, message);
	int dialogCode = dialog.open();
	if (dialogCode == Window.OK) {
	result[0] = dialog.getResult();
	} else if (dialogCode == Window.CANCEL) {
	result[0] = AUTHENTICATION_PROMPT_CANCELED;
	}
	});
	}
	return result[0];
	}

	@Override
	public void showInformationMessage(final String title, final String text, final String linkText) {
	if (isHeadless()) {
	super.showInformationMessage(title, text, linkText);
	return;
	}
	PlatformUI.getWorkbench().getDisplay().syncExec(() -> {
	MessageDialog dialog = new MessageDialogWithLink(ProvUI.getDefaultParentShell(), title, null, text, MessageDialog.INFORMATION, new String[] {IDialogConstants.OK_LABEL}, 0, linkText);
	dialog.open();
	});
	}

	private boolean isHeadless() {
	// If there is no UI available and we are still the IServiceUI,
	// assume that the operation should proceed. See
	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=291049
	return !PlatformUI.isWorkbenchRunning();
	}

	}