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