bundles/org.eclipse.equinox.security.ui/src/org/eclipse/equinox/internal/security/ui/storage/TabContents.java - equinox/rt.equinox.bundles - Git at Google

 /*******************************************************************************
  * Copyright (c) 2008, 2017 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
  *******************************************************************************/
 package org.eclipse.equinox.internal.security.ui.storage;

 import java.io.*;
 import java.net.URL;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.equinox.internal.security.storage.friends.IDeleteListener;
 import org.eclipse.equinox.internal.security.storage.friends.InternalExchangeUtils;
 import org.eclipse.equinox.internal.security.ui.Activator;
 import org.eclipse.equinox.internal.security.ui.nls.SecUIMessages;
 import org.eclipse.equinox.internal.security.ui.storage.view.*;
 import org.eclipse.equinox.security.storage.*;
 import org.eclipse.jface.layout.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.SashForm;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.PlatformUI;

 public class TabContents implements ISecurePreferencesSelection, IDeleteListener {

 	private Shell shell;
 	protected NodesView nodesView = null;
 	protected ValuesView valuesView = null;
 	protected Button buttonSave = null;

 	@Override
 	public void setSelection(ISecurePreferences selectedNode) {
 		valuesView.setInput(selectedNode);
 	}

 	public TabContents(TabFolder folder, int index, final Shell shell) {
 		this.shell = shell;

 		TabItem tab = new TabItem(folder, SWT.NONE, index);
 		tab.setText(SecUIMessages.tabContents);
 		Composite page = new Composite(folder, SWT.NONE);
 		tab.setControl(page);

 		SashForm sashForm = new SashForm(page, SWT.HORIZONTAL);
 		sashForm.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));

 		Tree nodeTree = new Tree(sashForm, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
 		GridData gridData = new GridData(GridData.FILL, GridData.FILL, true, true);
 		gridData.verticalSpan = 2;
 		nodeTree.setLayoutData(gridData);

 		Composite rightPane = new Composite(sashForm, SWT.NONE);
 		GridLayout rightPaneLayout = new GridLayout();
 		rightPaneLayout.marginHeight = 0;
 		rightPaneLayout.marginWidth = 2;
 		rightPane.setLayout(rightPaneLayout);

 		new Label(rightPane, SWT.NONE).setText(SecUIMessages.keysTable);

 		Table tableOfValues = new Table(rightPane, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
 		tableOfValues.setLinesVisible(true);
 		tableOfValues.setHeaderVisible(true);
 		tableOfValues.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));

 		Composite buttonBar = new Composite(rightPane, SWT.NONE);
 		GridLayout buttonBarLayout = new GridLayout();
 		buttonBarLayout.marginWidth = 0;
 		buttonBar.setLayout(buttonBarLayout);
 		buttonBar.setLayoutData(new GridData(GridData.END, GridData.BEGINNING, false, false));

 		buttonSave = new Button(buttonBar, SWT.PUSH);
 		buttonSave.setText(SecUIMessages.saveButton);
 		setButtonSize(buttonSave);
 		buttonSave.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
 			ISecurePreferences root = SecurePreferencesFactory.getDefault();
 			if (root == null)
 				return;
 			try {
 				root.flush();
 			} catch (IOException exception) {
 				Activator.log(IStatus.ERROR, exception.getMessage(), null, exception);
 			}
 			validateSave(); // save could fail so re-check
 		}));

 		/* Removed for the time being. In future modify/show/export operations could be
 		 * re-introduced with some special access token required to be entered by the user
 		Button buttonExport = new Button(buttonBar, SWT.CENTER);
 		buttonExport.setText(SecUIMessages.exportButton);
 		setButtonSize(buttonExport, minButtonWidth);
 		buttonExport.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				export();
 			}
 		});
 		*/

 		Button buttonDelete = new Button(buttonBar, SWT.PUSH);
 		buttonDelete.setText(SecUIMessages.deleteButton);
 		setButtonSize(buttonDelete);
 		buttonDelete.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> deteleDefaultStorage()));

 		URL location = InternalExchangeUtils.defaultStorageLocation();
 		if (location != null) {
 			new Label(page, SWT.NONE).setText(SecUIMessages.locationButton);
 			new Text(page, SWT.READ_ONLY).setText(new Path(location.getFile()).toOSString());
 		}

 		sashForm.setWeights(new int[] {30, 70});

 		nodesView = new NodesView(nodeTree, this);
 		valuesView = new ValuesView(tableOfValues, this, shell);

 		GridLayoutFactory.fillDefaults().margins(LayoutConstants.getSpacing()).generateLayout(page);
 		validateSave();
 	}

 	@Override
 	public void modified() {
 		validateSave();
 	}

 	public void validateSave() {
 		ISecurePreferences root = SecurePreferencesFactory.getDefault();
 		if (root == null)
 			return;
 		boolean modified = (root == null) ? false : InternalExchangeUtils.isModified(root);
 		buttonSave.setEnabled(modified);
 	}

 	@Override
 	public void onDeleted() {
 		if (nodesView != null)
 			nodesView.postDeleted();
 	}

 	protected void export() {
 		ISecurePreferences root = SecurePreferencesFactory.getDefault();
 		if (root == null)
 			return;
 		ExportDialog dialog = new ExportDialog(shell);
 		dialog.open();
 		String fileName = dialog.getFileName();
 		if (fileName == null)
 			return;
 		File outputFile = new File(fileName);

 		try (PrintStream output = new PrintStream(new FileOutputStream(outputFile))) {
 			export(root, output);
 			output.flush();
 		} catch (FileNotFoundException e) {
 			Activator.log(IStatus.ERROR, e.getMessage(), null, e);
 			return;
 		}
 	}

 	protected void export(ISecurePreferences node, PrintStream stream) {
 		if (IStorageConst.PROVIDER_NODE.equals(node.absolutePath()))
 			return; // skip internal node
 		String[] keys = node.keys();
 		if (keys.length > 0) {
 			String header = '[' + node.absolutePath() + ']';
 			stream.println(header);
 			for (String key : keys) {
 				try {
 					String data = key + " := " + node.get(key, ""); //$NON-NLS-1$ //$NON-NLS-2$
 					stream.println(data);
 				} catch (StorageException e) {
 					Activator.log(IStatus.ERROR, SecUIMessages.failedDecrypt, null, e);
 				}
 			}
 		}
 		String[] children = node.childrenNames();
 		for (String child : children) {
 			export(node.node(child), stream);
 		}
 	}

 	protected void setButtonSize(Button button) {
 		GridDataFactory.defaultsFor(button).align(SWT.FILL, SWT.BEGINNING).grab(false, false).applyTo(button);
 	}

 	protected void deteleDefaultStorage() {
 		URL location = InternalExchangeUtils.defaultStorageLocation();
 		if (location == null)
 			return;
 		MessageBox messageBox = new MessageBox(shell, SWT.YES | SWT.NO);
 		messageBox.setText(SecUIMessages.generalDialogTitle);
 		messageBox.setMessage(SecUIMessages.confirmDeleteMsg);
 		if (messageBox.open() != SWT.YES)
 			return;

 		// clear the data structure itself in case somebody holds on to it
 		ISecurePreferences defaultStorage = SecurePreferencesFactory.getDefault();
 		defaultStorage.clear();
 		defaultStorage.removeNode();

 		// clear it from the list of open storages, delete the file
 		InternalExchangeUtils.defaultStorageDelete();

 		if (nodesView != null)
 			nodesView.postDeleted();

 		// suggest restart in case somebody holds on to the deleted storage
 		MessageBox postDeletionBox = new MessageBox(shell, SWT.YES | SWT.NO);
 		postDeletionBox.setText(SecUIMessages.generalDialogTitle);
 		postDeletionBox.setMessage(SecUIMessages.postDeleteMsg);
 		int result = postDeletionBox.open();
 		if (result == SWT.YES)
 			PlatformUI.getWorkbench().restart();
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2008, 2017 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
	*******************************************************************************/
	package org.eclipse.equinox.internal.security.ui.storage;

	import java.io.*;
	import java.net.URL;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.equinox.internal.security.storage.friends.IDeleteListener;
	import org.eclipse.equinox.internal.security.storage.friends.InternalExchangeUtils;
	import org.eclipse.equinox.internal.security.ui.Activator;
	import org.eclipse.equinox.internal.security.ui.nls.SecUIMessages;
	import org.eclipse.equinox.internal.security.ui.storage.view.*;
	import org.eclipse.equinox.security.storage.*;
	import org.eclipse.jface.layout.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.SashForm;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.PlatformUI;

	public class TabContents implements ISecurePreferencesSelection, IDeleteListener {

	private Shell shell;
	protected NodesView nodesView = null;
	protected ValuesView valuesView = null;
	protected Button buttonSave = null;

	@Override
	public void setSelection(ISecurePreferences selectedNode) {
	valuesView.setInput(selectedNode);
	}

	public TabContents(TabFolder folder, int index, final Shell shell) {
	this.shell = shell;

	TabItem tab = new TabItem(folder, SWT.NONE, index);
	tab.setText(SecUIMessages.tabContents);
	Composite page = new Composite(folder, SWT.NONE);
	tab.setControl(page);

	SashForm sashForm = new SashForm(page, SWT.HORIZONTAL);
	sashForm.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));

	Tree nodeTree = new Tree(sashForm, SWT.SINGLE \| SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER);
	GridData gridData = new GridData(GridData.FILL, GridData.FILL, true, true);
	gridData.verticalSpan = 2;
	nodeTree.setLayoutData(gridData);

	Composite rightPane = new Composite(sashForm, SWT.NONE);
	GridLayout rightPaneLayout = new GridLayout();
	rightPaneLayout.marginHeight = 0;
	rightPaneLayout.marginWidth = 2;
	rightPane.setLayout(rightPaneLayout);

	new Label(rightPane, SWT.NONE).setText(SecUIMessages.keysTable);

	Table tableOfValues = new Table(rightPane, SWT.MULTI \| SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER \| SWT.FULL_SELECTION);
	tableOfValues.setLinesVisible(true);
	tableOfValues.setHeaderVisible(true);
	tableOfValues.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));

	Composite buttonBar = new Composite(rightPane, SWT.NONE);
	GridLayout buttonBarLayout = new GridLayout();
	buttonBarLayout.marginWidth = 0;
	buttonBar.setLayout(buttonBarLayout);
	buttonBar.setLayoutData(new GridData(GridData.END, GridData.BEGINNING, false, false));

	buttonSave = new Button(buttonBar, SWT.PUSH);
	buttonSave.setText(SecUIMessages.saveButton);
	setButtonSize(buttonSave);
	buttonSave.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> {
	ISecurePreferences root = SecurePreferencesFactory.getDefault();
	if (root == null)
	return;
	try {
	root.flush();
	} catch (IOException exception) {
	Activator.log(IStatus.ERROR, exception.getMessage(), null, exception);
	}
	validateSave(); // save could fail so re-check
	}));

	/* Removed for the time being. In future modify/show/export operations could be
	* re-introduced with some special access token required to be entered by the user
	Button buttonExport = new Button(buttonBar, SWT.CENTER);
	buttonExport.setText(SecUIMessages.exportButton);
	setButtonSize(buttonExport, minButtonWidth);
	buttonExport.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	export();
	}
	});
	*/

	Button buttonDelete = new Button(buttonBar, SWT.PUSH);
	buttonDelete.setText(SecUIMessages.deleteButton);
	setButtonSize(buttonDelete);
	buttonDelete.addSelectionListener(SelectionListener.widgetSelectedAdapter(e -> deteleDefaultStorage()));

	URL location = InternalExchangeUtils.defaultStorageLocation();
	if (location != null) {
	new Label(page, SWT.NONE).setText(SecUIMessages.locationButton);
	new Text(page, SWT.READ_ONLY).setText(new Path(location.getFile()).toOSString());
	}

	sashForm.setWeights(new int[] {30, 70});

	nodesView = new NodesView(nodeTree, this);
	valuesView = new ValuesView(tableOfValues, this, shell);

	GridLayoutFactory.fillDefaults().margins(LayoutConstants.getSpacing()).generateLayout(page);
	validateSave();
	}

	@Override
	public void modified() {
	validateSave();
	}

	public void validateSave() {
	ISecurePreferences root = SecurePreferencesFactory.getDefault();
	if (root == null)
	return;
	boolean modified = (root == null) ? false : InternalExchangeUtils.isModified(root);
	buttonSave.setEnabled(modified);
	}

	@Override
	public void onDeleted() {
	if (nodesView != null)
	nodesView.postDeleted();
	}

	protected void export() {
	ISecurePreferences root = SecurePreferencesFactory.getDefault();
	if (root == null)
	return;
	ExportDialog dialog = new ExportDialog(shell);
	dialog.open();
	String fileName = dialog.getFileName();
	if (fileName == null)
	return;
	File outputFile = new File(fileName);

	try (PrintStream output = new PrintStream(new FileOutputStream(outputFile))) {
	export(root, output);
	output.flush();
	} catch (FileNotFoundException e) {
	Activator.log(IStatus.ERROR, e.getMessage(), null, e);
	return;
	}
	}

	protected void export(ISecurePreferences node, PrintStream stream) {
	if (IStorageConst.PROVIDER_NODE.equals(node.absolutePath()))
	return; // skip internal node
	String[] keys = node.keys();
	if (keys.length > 0) {
	String header = '[' + node.absolutePath() + ']';
	stream.println(header);
	for (String key : keys) {
	try {
	String data = key + " := " + node.get(key, ""); //$NON-NLS-1$ //$NON-NLS-2$
	stream.println(data);
	} catch (StorageException e) {
	Activator.log(IStatus.ERROR, SecUIMessages.failedDecrypt, null, e);
	}
	}
	}
	String[] children = node.childrenNames();
	for (String child : children) {
	export(node.node(child), stream);
	}
	}

	protected void setButtonSize(Button button) {
	GridDataFactory.defaultsFor(button).align(SWT.FILL, SWT.BEGINNING).grab(false, false).applyTo(button);
	}

	protected void deteleDefaultStorage() {
	URL location = InternalExchangeUtils.defaultStorageLocation();
	if (location == null)
	return;
	MessageBox messageBox = new MessageBox(shell, SWT.YES \| SWT.NO);
	messageBox.setText(SecUIMessages.generalDialogTitle);
	messageBox.setMessage(SecUIMessages.confirmDeleteMsg);
	if (messageBox.open() != SWT.YES)
	return;

	// clear the data structure itself in case somebody holds on to it
	ISecurePreferences defaultStorage = SecurePreferencesFactory.getDefault();
	defaultStorage.clear();
	defaultStorage.removeNode();

	// clear it from the list of open storages, delete the file
	InternalExchangeUtils.defaultStorageDelete();

	if (nodesView != null)
	nodesView.postDeleted();

	// suggest restart in case somebody holds on to the deleted storage
	MessageBox postDeletionBox = new MessageBox(shell, SWT.YES \| SWT.NO);
	postDeletionBox.setText(SecUIMessages.generalDialogTitle);
	postDeletionBox.setMessage(SecUIMessages.postDeleteMsg);
	int result = postDeletionBox.open();
	if (result == SWT.YES)
	PlatformUI.getWorkbench().restart();
	}

	}