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/* 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;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.security.cert.X509Certificate;
import java.util.logging.Logger;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JPanel;
import es.gob.afirma.cert.signvalidation.SignValider;
import es.gob.afirma.cert.signvalidation.SignValiderFactory;
import es.gob.afirma.cert.signvalidation.SignValidity;
import es.gob.afirma.cert.signvalidation.SignValidity.SIGN_DETAIL_TYPE;
import es.gob.afirma.cert.signvalidation.SignValidity.VALIDITY_ERROR;
import es.gob.afirma.core.misc.AOUtil;
import es.gob.afirma.core.signers.AOSimpleSignInfo;
import es.gob.afirma.core.util.tree.AOTreeModel;
import es.gob.afirma.core.util.tree.AOTreeNode;
import es.gob.afirma.signers.cades.AOCAdESSigner;
import es.gob.afirma.signers.cms.AOCMSSigner;
import es.gob.afirma.signers.odf.AOODFSigner;
import es.gob.afirma.signers.ooxml.AOOOXMLSigner;
import es.gob.afirma.signers.pades.AOPDFSigner;
import es.gob.afirma.signers.xades.AOFacturaESigner;
import es.gob.afirma.signers.xades.AOXAdESSigner;
import es.gob.afirma.signers.xmldsig.AOXMLDSigSigner;
import es.gob.afirma.standalone.DataAnalizerUtil;
import es.gob.afirma.standalone.LookAndFeelManager;
import es.gob.afirma.standalone.SimpleAfirmaMessages;
import es.gob.afirma.standalone.VisorFirma;
/** Visor de firmas.
* @author Tomás García-Merás.
* @author Carlos Gamuci. */
public final class VisorPanel extends JPanel implements KeyListener {
/** Version ID. */
private static final long serialVersionUID = 8309157734617505338L;
private final VisorFirma visorFirma;
VisorFirma getVisorFirma() {
return this.visorFirma;
}
/** Construye un panel con la información extraída de una firma. Si no se
* indica la firma, esta se cargará desde un fichero. Es obligatorio introducir
* alguno de los dos parámetros.
* @param signFile Fichero de firma.
* @param sign Firma.
* @param vf VisorFirma para las acciones de los botones
* @param allowReload true si se desea dar a usuario la opción de ver otras firmas en el
* visor cargándolas mediante un botón, false en caso contrario. */
public VisorPanel(final File signFile, final byte[] sign, final VisorFirma vf, final boolean allowReload) {
super(true);
this.visorFirma = vf;
createUI(signFile, sign, allowReload);
}
private void createUI(final File signFile, final byte[] sign, final boolean addReloadButton) {
if (!LookAndFeelManager.HIGH_CONTRAST) {
setBackground(LookAndFeelManager.WINDOW_COLOR);
}
setLayout(new GridBagLayout());
setBorder(BorderFactory.createEmptyBorder(15, 15, 15, 15));
openSign(signFile, sign, addReloadButton);
}
private void openSign(final File signFile, final byte[] signature, final boolean addReloadButton) {
if (signFile == null && signature == null) {
Logger.getLogger("es.gob.afirma").warning("Se ha intentado abrir una firma nula"); //$NON-NLS-1$ //$NON-NLS-2$
return;
}
byte[] sign = signature != null ? signature.clone() : null;
if (sign == null && signFile != null) {
try ( final FileInputStream fis = new FileInputStream(signFile); ) {
sign = AOUtil.getDataFromInputStream(fis);
}
catch (final Exception e) {
Logger.getLogger("es.gob.afirma").warning( //$NON-NLS-1$
"No se ha podido cargar el fichero de firma: " + e //$NON-NLS-1$
);
}
}
SignValidity validity = new SignValidity(SIGN_DETAIL_TYPE.UNKNOWN, null);
if (sign != null) {
try {
validity = validateSign(sign);
}
catch (final Exception e) {
Logger.getLogger("es.gob.afirma").warning( //$NON-NLS-1$
"No se ha podido comprobar la validez de la firma: " + e //$NON-NLS-1$
);
validity = new SignValidity(SIGN_DETAIL_TYPE.KO, null);
}
}
final X509Certificate cert = getCertificate(sign);
final JPanel resultPanel = new SignResultPanel(validity, this);
final JPanel dataPanel = new SignDataPanel(
signFile,
sign,
null,
cert, // Certificado
this
);
final JPanel bottonPanel = new JPanel(true);
bottonPanel.setLayout(new FlowLayout(FlowLayout.TRAILING));
if (addReloadButton) {
final JButton openSign = new JButton(SimpleAfirmaMessages.getString("VisorPanel.1")); //$NON-NLS-1$
openSign.setMnemonic('V');
bottonPanel.add(openSign);
openSign.addKeyListener(this);
openSign.addActionListener(
e -> {
if (VisorPanel.this.getVisorFirma() != null) {
VisorPanel.this.getVisorFirma().loadNewSign();
}
}
);
}
final JButton closeVisor = new JButton(SimpleAfirmaMessages.getString("VisorPanel.0")); //$NON-NLS-1$
closeVisor.setMnemonic('C');
closeVisor.addKeyListener(this);
closeVisor.addActionListener(
e -> {
if (VisorPanel.this.getVisorFirma() != null) {
VisorPanel.this.getVisorFirma().closeApplication(0);
}
}
);
bottonPanel.add(closeVisor);
// Establecemos la configuracion de color
if (!LookAndFeelManager.HIGH_CONTRAST) {
bottonPanel.setBackground(LookAndFeelManager.WINDOW_COLOR);
}
setLayout(new GridBagLayout());
final GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.BOTH;
c.weightx = 1.0;
c.insets = new Insets(11, 11, 11, 11);
add(resultPanel, c);
c.weighty = 1.0;
c.gridy = 1;
c.insets = new Insets(0, 11, 11, 11);
add(dataPanel, c);
c.weighty = 0.0;
c.gridy = 2;
c.insets = new Insets(0, 11, 11, 11);
add(bottonPanel, c);
repaint();
}
private static X509Certificate getCertificate(final byte[] sign) {
if (sign == null) {
return null;
}
final AOTreeModel tree;
try {
if (new AOFacturaESigner().isSign(sign)) {
tree = new AOFacturaESigner().getSignersStructure(sign, true);
}
else if (new AOXAdESSigner().isSign(sign)) {
tree = new AOXAdESSigner().getSignersStructure(sign, true);
}
else if (new AOXMLDSigSigner().isSign(sign)) {
tree = new AOXMLDSigSigner().getSignersStructure(sign, true);
}
else if (new AOPDFSigner().isSign(sign)) {
tree = new AOPDFSigner().getSignersStructure(sign, true);
}
else if (new AOCAdESSigner().isSign(sign)) {
tree = new AOCAdESSigner().getSignersStructure(sign, true);
}
else if (new AOCMSSigner().isSign(sign)) {
tree = new AOCMSSigner().getSignersStructure(sign, true);
}
else if (new AOOOXMLSigner().isSign(sign)) {
tree = new AOOOXMLSigner().getSignersStructure(sign, true);
}
else if (new AOODFSigner().isSign(sign)) {
tree = new AOODFSigner().getSignersStructure(sign, true);
}
else {
return null;
}
}
catch(final Exception e) {
Logger.getLogger("es.gob.afirma").warning( //$NON-NLS-1$
"No se ha podido obtener el certificado de la firma: " + e //$NON-NLS-1$
);
return null;
}
// Solo se muestra la informacion del certificado si hay una unica firma
if (AOTreeModel.getChildCount(tree.getRoot()) != 1) {
return null;
}
final AOTreeNode node = (AOTreeNode) AOTreeModel.getChild(tree.getRoot(),0);
final AOSimpleSignInfo ssi = (AOSimpleSignInfo) node.getUserObject();
if (ssi == null) {
return null;
}
final X509Certificate[] certs = ssi.getCerts();
if (certs == null || certs.length < 1) {
return null;
}
return certs[0];
}
/** Comprueba la validez de la firma.
* @param sign Firma que se desea comprobar.
* @return {@code true} si la firma es v´lida, {@code false} en caso contrario.
* @throws IOException Si ocurren problemas relacionados con la lectura de la firma. */
public static SignValidity validateSign(final byte[] sign) throws IOException {
final SignValider sv = SignValiderFactory.getSignValider(sign);
if (sv != null) {
return sv.validate(sign);
}
else if(DataAnalizerUtil.isSignedODF(sign)) {
return new SignValidity(SIGN_DETAIL_TYPE.UNKNOWN, VALIDITY_ERROR.ODF_UNKOWN_VALIDITY);
}
else if(DataAnalizerUtil.isSignedOOXML(sign)) {
return new SignValidity(SIGN_DETAIL_TYPE.UNKNOWN, VALIDITY_ERROR.OOXML_UNKOWN_VALIDITY);
}
return new SignValidity(SIGN_DETAIL_TYPE.KO, VALIDITY_ERROR.UNKOWN_SIGNATURE_FORMAT);
}
@Override
public void keyPressed(final KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_ESCAPE && VisorPanel.this.visorFirma != null) {
VisorPanel.this.visorFirma.closeApplication(0);
}
}
@Override
public void keyReleased(final KeyEvent e) {
// Vacio
}
@Override
public void keyTyped(final KeyEvent e) {
// Vacio
}
}
