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es.gob.afirma.standalone.ui.hash.CreateHashDialog Maven / Gradle / Ivy
/* Copyright (C) 2011 [Gobierno de Espana]
* This file is part of "Cliente @Firma".
* "Cliente @Firma" is free software; you can redistribute it and/or modify it under the terms of:
* - the GNU General Public License as published by the Free Software Foundation;
* either version 2 of the License, or (at your option) any later version.
* - or The European Software License; either version 1.1 or (at your option) any later version.
* You may contact the copyright holder at: [email protected]
*/
package es.gob.afirma.standalone.ui.hash;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.StringSelection;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.logging.Logger;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.SwingWorker;
import es.gob.afirma.core.AOCancelledOperationException;
import es.gob.afirma.core.misc.AOUtil;
import es.gob.afirma.core.misc.Base64;
import es.gob.afirma.core.misc.Platform;
import es.gob.afirma.core.ui.AOUIFactory;
import es.gob.afirma.standalone.AutoFirmaUtil;
import es.gob.afirma.standalone.SimpleAfirmaMessages;
import es.gob.afirma.standalone.ui.CommonWaitDialog;
import es.gob.afirma.standalone.ui.preferences.PreferencesManager;
/** Diálogo para la creación de huellas digitales.
* @author Tomás García-Merás */
public final class CreateHashDialog extends JDialog implements KeyListener {
private static final long serialVersionUID = 3581001930027153381L;
private static final int SIZE_WAIT = 50000000; //Tamano en bytes
private static final String[] HASH_ALGOS = new String[] {
"SHA-256", //$NON-NLS-1$
"SHA-1", //$NON-NLS-1$
"SHA-384", //$NON-NLS-1$
"SHA-512" //$NON-NLS-1$
};
enum HashFormat {
HEX(SimpleAfirmaMessages.getString("CreateHashDialog.21")), //$NON-NLS-1$
BASE64(SimpleAfirmaMessages.getString("CreateHashDialog.22")), //$NON-NLS-1$
BINARY(SimpleAfirmaMessages.getString("CreateHashDialog.23")); //$NON-NLS-1$
private final String name;
private HashFormat(final String n) {
this.name = n;
}
@Override
public String toString() {
return this.name;
}
static HashFormat[] getHashFormats() {
return new HashFormat[] {
HEX, BASE64, BINARY
};
}
static HashFormat getDefaultFormat() {
return HEX;
}
static HashFormat fromString(final String name) {
if (HEX.toString().equals(name)) {
return HEX;
}
if (BASE64.toString().equals(name)) {
return BASE64;
}
if (BINARY.toString().equals(name)) {
return BINARY;
}
Logger.getLogger("es.gob.afirma").warning( //$NON-NLS-1$
"Formato de huella desconocido, se usara el por defecto: " + name //$NON-NLS-1$
);
return getDefaultFormat();
}
}
private final JComboBox hashAlgorithms = new JComboBox<>(HASH_ALGOS);
String getSelectedHashAlgorithm() {
return this.hashAlgorithms.getSelectedItem().toString();
}
private final JComboBox hashFormats = new JComboBox<>(HashFormat.getHashFormats());
HashFormat getSelectedHashFormat() {
return (HashFormat) this.hashFormats.getSelectedItem();
}
private final JTextField fileTextField = new JTextField();
JTextField getFileTextField() {
return this.fileTextField;
}
final JCheckBox copyToClipBoardCheckBox = new JCheckBox(
SimpleAfirmaMessages.getString("CreateHashDialog.19") //$NON-NLS-1$
);
boolean isCopyToClipBoardChecked() {
return this.copyToClipBoardCheckBox.isSelected();
}
/** Inicia el proceso de creación de huella digital.
* @param parent Componente padre para la modalidad. */
public static void startHashCreation(final Frame parent) {
final CreateHashDialog chd = new CreateHashDialog(parent);
chd.setSize(600, 350);
chd.setResizable(false);
chd.setLocationRelativeTo(parent);
chd.setVisible(true);
}
/** Crea un diálogo para la creación de huellas digitales.
* @param parent Componente padre para la modalidad. */
private CreateHashDialog(final Frame parent) {
super(parent);
setTitle(SimpleAfirmaMessages.getString("CreateHashDialog.15")); //$NON-NLS-1$
setModalityType(ModalityType.APPLICATION_MODAL);
createUI(parent);
}
void createUI(final Frame parent) {
final Container c = getContentPane();
final GridBagLayout gbl = new GridBagLayout();
c.setLayout(gbl);
final GridBagConstraints gbc = new GridBagConstraints();
gbc.fill = GridBagConstraints.BOTH;
gbc.weightx = 1.0;
gbc.gridy = 0;
gbc.insets = new Insets(5,15,0,10);
setIconImage(
AutoFirmaUtil.getDefaultDialogsIcon()
);
getAccessibleContext().setAccessibleDescription(
SimpleAfirmaMessages.getString("CreateHashDialog.1") //$NON-NLS-1$
);
final JLabel hashAlgorithmsLabel = new JLabel(
SimpleAfirmaMessages.getString("CreateHashDialog.2") //$NON-NLS-1$
);
hashAlgorithmsLabel.setLabelFor(this.hashAlgorithms);
this.hashAlgorithms.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
PreferencesManager.put(
PreferencesManager.PREFERENCE_CREATE_HASH_ALGORITHM,
getSelectedHashAlgorithm()
);
}
}
);
this.hashAlgorithms.setSelectedItem(
PreferencesManager.get(PreferencesManager.PREFERENCE_CREATE_HASH_ALGORITHM)
);
this.hashAlgorithms.addKeyListener(this);
final JLabel hashFormatLabel = new JLabel(
SimpleAfirmaMessages.getString("CreateHashDialog.0") //$NON-NLS-1$
);
hashFormatLabel.setLabelFor(this.hashFormats);
this.hashFormats.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
PreferencesManager.put(
PreferencesManager.PREFERENCE_CREATE_HASH_FORMAT,
getSelectedHashFormat().toString()
);
}
}
);
this.hashFormats.setSelectedItem(
HashFormat.fromString(
PreferencesManager.get(PreferencesManager.PREFERENCE_CREATE_HASH_FORMAT)
)
);
this.hashFormats.addKeyListener(this);
this.copyToClipBoardCheckBox.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
PreferencesManager.putBoolean(
PreferencesManager.PREFERENCE_CREATE_HASH_CLIPBOARD,
isCopyToClipBoardChecked()
);
}
}
);
this.copyToClipBoardCheckBox.setSelected(
PreferencesManager.getBoolean(PreferencesManager.PREFERENCE_CREATE_HASH_CLIPBOARD)
);
this.copyToClipBoardCheckBox.addKeyListener(this);
final JLabel fileTextFieldLabel = new JLabel(
SimpleAfirmaMessages.getString("CreateHashDialog.3") //$NON-NLS-1$
);
fileTextFieldLabel.addKeyListener(this);
fileTextFieldLabel.setLabelFor(this.fileTextField);
this.fileTextField.addKeyListener(this);
this.fileTextField.setEditable(false);
this.fileTextField.setFocusable(false);
this.fileTextField.setColumns(10);
final JButton generateButton = new JButton(
SimpleAfirmaMessages.getString("CreateHashDialog.4") //$NON-NLS-1$
);
generateButton.addKeyListener(this);
final JButton fileButton = new JButton(
SimpleAfirmaMessages.getString("CreateHashDialog.5") //$NON-NLS-1$
);
fileButton.addKeyListener(this);
fileButton.setMnemonic('E');
fileButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent ae) {
try {
getFileTextField().setText(
AOUIFactory.getLoadFiles(
SimpleAfirmaMessages.getString("CreateHashDialog.6"), //$NON-NLS-1$,
null,
null,
null,
SimpleAfirmaMessages.getString("CreateHashDialog.7"), //$NON-NLS-1$,,
false,
false,
AutoFirmaUtil.getDefaultDialogsIcon(),
CreateHashDialog.this
)[0].getAbsolutePath()
);
generateButton.setEnabled(true);
}
catch(final AOCancelledOperationException ex) {
// Operacion cancelada por el usuario
}
}
}
);
fileButton.getAccessibleContext().setAccessibleDescription(
SimpleAfirmaMessages.getString("CreateHashDialog.12") //$NON-NLS-1$
);
fileButton.addKeyListener(this);
generateButton.setEnabled(false);
generateButton.setMnemonic('G');
generateButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent e) {
doHashProcess(
parent,
getFileTextField().getText(),
getSelectedHashAlgorithm(),
getSelectedHashFormat(),
isCopyToClipBoardChecked(),
CreateHashDialog.this
);
CreateHashDialog.this.setVisible(false);
CreateHashDialog.this.dispose();
}
}
);
generateButton.getAccessibleContext().setAccessibleDescription(
SimpleAfirmaMessages.getString("CreateHashDialog.11") //$NON-NLS-1$
);
final JButton exitButton = new JButton(
SimpleAfirmaMessages.getString("CreateHashDialog.16") //$NON-NLS-1$
);
exitButton.setMnemonic('C');
exitButton.addActionListener(
new ActionListener () {
@Override
public void actionPerformed( final ActionEvent e ) {
CreateHashDialog.this.setVisible(false);
CreateHashDialog.this.dispose();
}
}
);
exitButton.getAccessibleContext().setAccessibleDescription(
SimpleAfirmaMessages.getString("CreateHashDialog.17") //$NON-NLS-1$
);
exitButton.addKeyListener(this);
final JPanel panel = new JPanel();
panel.setLayout(new FlowLayout(FlowLayout.RIGHT));
// En Mac OS X el orden de los botones es distinto
if (Platform.OS.MACOSX.equals(Platform.getOS())) {
panel.add(exitButton);
panel.add(generateButton);
}
else {
panel.add(generateButton);
panel.add(exitButton);
}
c.add(fileTextFieldLabel, gbc);
gbc.insets = new Insets(5,10,0,10);
gbc.gridy++;
c.add(this.fileTextField, gbc);
gbc.weightx = 0;
c.add(fileButton, gbc);
gbc.insets = new Insets(20,15,0,10);
gbc.weightx = 1.0;
gbc.gridy++;
c.add(hashAlgorithmsLabel, gbc);
gbc.insets = new Insets(5,10,0,10);
gbc.gridy++;
c.add(this.hashAlgorithms, gbc);
gbc.insets = new Insets(20,10,0,10);
gbc.gridy++;
c.add(hashFormatLabel, gbc);
gbc.insets = new Insets(5,10,0,10);
gbc.gridy++;
c.add(this.hashFormats, gbc);
gbc.insets = new Insets(20,10,0,10);
gbc.gridy++;
c.add(this.copyToClipBoardCheckBox, gbc);
gbc.insets = new Insets(20,10,0,10);
gbc.gridy++;
gbc.gridwidth = GridBagConstraints.REMAINDER;
c.add(panel, gbc);
}
static void doHashProcess(final Frame parent,
final String file,
final String hashAlgorithm,
final HashFormat format,
final boolean copyToClipboard,
final Window currentFrame) {
final CommonWaitDialog dialog = new CommonWaitDialog(
null,
SimpleAfirmaMessages.getString("CreateHashFiles.18"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("CreateHashFiles.20") //$NON-NLS-1$
);
// Arrancamos el proceso en un hilo aparte
final SwingWorker worker = new SwingWorker() {
@Override
protected Void doInBackground() {
try ( final InputStream is = new FileInputStream(file); ) {
if (currentFrame != null) {
currentFrame.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
}
final byte[] hash = HashUtil.getFileHash(hashAlgorithm, file);
final String ext;
final byte[] dataToSave;
switch(format) {
case HEX:
ext = ".hexhash"; //$NON-NLS-1$
dataToSave = (AOUtil.hexify(hash, false) + "h").getBytes(); //$NON-NLS-1$
break;
case BASE64:
ext = ".hashb64"; //$NON-NLS-1$
dataToSave = Base64.encode(hash).getBytes();
break;
case BINARY:
dataToSave = hash;
ext = ".hash"; //$NON-NLS-1$
break;
default:
throw new IllegalStateException(
"Formato de huella no contemplado: " + format //$NON-NLS-1$
);
}
dialog.dispose();
AOUIFactory.getSaveDataToFile(
dataToSave,
SimpleAfirmaMessages.getString("CreateHashDialog.8"), //$NON-NLS-1$
null,
AutoFirmaUtil.getCanonicalFile(new File(file)).getName() + ext,
new String[] { ext },
SimpleAfirmaMessages.getString("CreateHashDialog.9") + " (*" + ext + ")", //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
parent
);
// Si se selecciona Base64 se usa Base64 en portapapeles, en cualquier otro caso, HEX pasado a ASCII.
if (copyToClipboard) {
copyToClipBoard(
HashFormat.BASE64.equals(format) ? new String(dataToSave) : AOUtil.hexify(hash, false)
);
}
}
catch(final OutOfMemoryError ooe) {
AOUIFactory.showErrorMessage(
parent,
SimpleAfirmaMessages.getString("CreateHashDialog.18"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("CreateHashDialog.14"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
Logger.getLogger("es.gob.afirma").severe( //$NON-NLS-1$
"Fichero demasiado grande: " + ooe //$NON-NLS-1$
);
return null;
}
catch(final AOCancelledOperationException aocoe) {
// Operacion cancelada
return null;
}
catch (final Exception ioe) {
AOUIFactory.showErrorMessage(
parent,
SimpleAfirmaMessages.getString("CreateHashDialog.13"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("CreateHashDialog.14"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
Logger.getLogger("es.gob.afirma").severe( //$NON-NLS-1$
"Error generando o guardando la huella digital: " + ioe //$NON-NLS-1$
);
return null;
}
finally {
if (currentFrame != null) {
currentFrame.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
}
return null;
}
@Override
protected void done() {
super.done();
dialog.dispose();
}
};
worker.execute();
if (new File(file).length() > SIZE_WAIT) {
// Se muestra la ventana de espera
dialog.setVisible(true);
}
}
/** {@inheritDoc} */
@Override
public void keyTyped(final KeyEvent e) { /* Vacio */ }
/** {@inheritDoc} */
@Override
public void keyPressed(final KeyEvent e) { /* Vacio */ }
/** {@inheritDoc} */
@Override
public void keyReleased(final KeyEvent ke) {
// En Mac no cerramos los dialogos con Escape
if (ke != null && ke.getKeyCode() == KeyEvent.VK_ESCAPE && !Platform.OS.MACOSX.equals(Platform.getOS())) {
CreateHashDialog.this.setVisible(false);
CreateHashDialog.this.dispose();
}
}
/** Copia un texto al portapapeles del sistema.
* @param text Contenido a copiar. */
static void copyToClipBoard(final String text) {
final StringSelection stringSelection = new StringSelection(text);
final Clipboard clpbrd = Toolkit.getDefaultToolkit().getSystemClipboard();
clpbrd.setContents(stringSelection, null);
}
}
