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es.gob.afirma.standalone.ui.hash.HashHelper 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.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.nio.file.Paths;
import java.util.HashMap;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
import javax.swing.SwingWorker;
import es.gob.afirma.core.AOCancelledOperationException;
import es.gob.afirma.core.misc.AOUtil;
import es.gob.afirma.core.ui.AOUIFactory;
import es.gob.afirma.standalone.AutoFirmaUtil;
import es.gob.afirma.standalone.DataAnalizerUtil;
import es.gob.afirma.standalone.SimpleAfirmaMessages;
import es.gob.afirma.standalone.ui.CommonWaitDialog;
import es.gob.afirma.standalone.ui.hash.CreateHashDialog.HashFormat;
/** Funciones para el acceso a las capacidades de creación y verificación de
* huellas digitales.
* @author Tomás García-Merás. */
public final class HashHelper {
private static final Logger LOGGER = Logger.getLogger("es.gob.afirma"); //$NON-NLS-1$
private static final String DEFAULT_HASH_ALGORITHM = "SHA-256"; //$NON-NLS-1$
private static final boolean DEFAULT_RECURSIVE = true;
private static final HashFormat DEFAULT_HASH_FORMAT = HashFormat.HEX;
private static final boolean DEFAULT_COPY_TO_CLIPBOARD = true;
private static final int SIZE_WAIT = 50000000; //Tamano en bytes
/** Comprueba las huellas digitales del fichero de huella proporcionados mediante un
* interfaz gráfico.
* @param fileName Nombre del fichero de huella. */
public static void checkHashUI(final String fileName) {
if (fileName == null) {
AOUIFactory.showErrorMessage(
null,
SimpleAfirmaMessages.getString("HashHelper.4"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("HashHelper.1"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
return;
}
final File file = new File(fileName);
if (!file.exists() || file.isDirectory()) {
AOUIFactory.showErrorMessage(
null,
SimpleAfirmaMessages.getString("HashHelper.5"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("HashHelper.1"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
return;
}
if (!file.canRead()) {
AOUIFactory.showErrorMessage(
null,
SimpleAfirmaMessages.getString("HashHelper.3"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("HashHelper.1"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
return;
}
// Leemos el fichero
final byte[] inputBytes;
try (
InputStream fis = new FileInputStream(file);
InputStream bis = new BufferedInputStream(fis);
) {
inputBytes = AOUtil.getDataFromInputStream(bis);
}
catch(final Exception e) {
LOGGER.log(Level.SEVERE, "No se ha podido leer el fichero de huellas indicado", e); //$NON-NLS-1$
AOUIFactory.showErrorMessage(
null,
SimpleAfirmaMessages.getString("HashHelper.6"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("HashHelper.1"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
return;
}
// Si es un XML debe ser un informe de huellas
if (DataAnalizerUtil.isXML(inputBytes)) {
// Preguntamos por el directorio de origen
final File dataDir;
try {
dataDir = AOUIFactory.getLoadFiles(
SimpleAfirmaMessages.getString("HashHelper.10"), //$NON-NLS-1$
file.getParent(),
null, // Filename
null,
null,
true, // Seleccion de directorio
false,
AutoFirmaUtil.getDefaultDialogsIcon(),
null
)[0];
}
catch(final AOCancelledOperationException e) {
// Operacion cancelada
return;
}
try {
// Se crea la ventana de espera.
final CommonWaitDialog dialog = new CommonWaitDialog(
null,
SimpleAfirmaMessages.getString("CreateHashFiles.21"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("CreateHashFiles.22") //$NON-NLS-1$
);
// Arrancamos el proceso en un hilo aparte
final SwingWorker worker = new SwingWorker() {
@Override
protected Void doInBackground() throws Exception {
CheckHashFiles.setReportXML(new HashMap>());
CheckHashFiles.checkHashXML(
Paths.get(dataDir.toURI()),
file.getAbsolutePath()
);
return null;
}
@Override
protected void done() {
super.done();
dialog.dispose();
}
};
worker.execute();
if (CreateHashFiles.getSize(dataDir) > SIZE_WAIT) {
// Se muestra la ventana de espera
dialog.setVisible(true);
}
worker.get();
if (!(CheckHashFiles.getReportXML().containsKey("CheckHashDialog.5") || //$NON-NLS-1$
CheckHashFiles.getReportXML().containsKey("CheckHashFiles.1") || //$NON-NLS-1$
CheckHashFiles.getReportXML().containsKey("CheckHashFiles.10"))) { //$NON-NLS-1$
AOUIFactory.showMessageDialog(
null,
SimpleAfirmaMessages.getString("CheckHashDialog.2"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("CheckHashDialog.3"), //$NON-NLS-1$
JOptionPane.INFORMATION_MESSAGE
);
}
else {
AOUIFactory.showMessageDialog(
null,
SimpleAfirmaMessages.getString("CheckHashFiles.18"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("CheckHashFiles.17"), //$NON-NLS-1$
JOptionPane.WARNING_MESSAGE
);
}
final String ext = SimpleAfirmaMessages.getString("CheckHashFiles.20"); //$NON-NLS-1$
AOUIFactory.getSaveDataToFile(
CheckHashFiles.generateXMLReport(
CheckHashFiles.getReportXML(),
CheckHashFiles.getAlgorithm(),
CheckHashFiles.getIsRecursive()
).getBytes(),
SimpleAfirmaMessages.getString("CheckHashFiles.15"), //$NON-NLS-1$ ,,,
null,
new java.io.File(SimpleAfirmaMessages.getString("CheckHashFiles.16")).getName() + ext, //$NON-NLS-1$
new String[] { ext },
SimpleAfirmaMessages.getString("CheckHashFiles.11") + " (*" + ext + ")", //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$
null
);
}
catch (final OutOfMemoryError ooe) {
AOUIFactory.showErrorMessage(
null,
SimpleAfirmaMessages.getString("CreateHashFiles.2"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("CreateHashDialog.14"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
LOGGER.log(
Level.SEVERE,
"Fichero demasiado grande: " + ooe //$NON-NLS-1$
);
return;
}
catch (final AOCancelledOperationException ex) {
// Operacion cancelada por el usuario
return;
}
catch (final Exception ex) {
LOGGER.log(
Level.SEVERE,
"Error comprobando las huellas digitales del directorio '" + //$NON-NLS-1$
dataDir.getAbsolutePath() + " con el fichero: " + //$NON-NLS-1$
file.getAbsolutePath() + ex
);
AOUIFactory.showErrorMessage(
null,
SimpleAfirmaMessages.getString("CheckHashDialog.6"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("CheckHashDialog.7"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
return;
}
}
// Si no debe ser un fichero de huella simple
else {
// Preguntamos por el fichero de datos
final File dataFile;
try {
dataFile = AOUIFactory.getLoadFiles(
SimpleAfirmaMessages.getString("HashHelper.7"), //$NON-NLS-1$
file.getParent(),
null, // Filename
null,
null,
false,
false,
AutoFirmaUtil.getDefaultDialogsIcon(),
null
)[0];
}
catch(final AOCancelledOperationException e) {
// Operacion cancelada
return;
}
try {
if (CheckHashDialog.checkHash(file.getAbsolutePath(), dataFile.getAbsolutePath())) {
AOUIFactory.showMessageDialog(
null,
SimpleAfirmaMessages.getString("HashHelper.11"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("HashHelper.12"), //$NON-NLS-1$
JOptionPane.INFORMATION_MESSAGE
);
}
else {
AOUIFactory.showMessageDialog(
null,
SimpleAfirmaMessages.getString("HashHelper.13"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("HashHelper.14"), //$NON-NLS-1$
JOptionPane.WARNING_MESSAGE
);
}
}
catch (final Exception e) {
LOGGER.log(
Level.SEVERE,
"Error comprobando la huella digital de fichero '" + dataFile.getAbsolutePath() + "' con la huella: " + file.getAbsolutePath(), //$NON-NLS-1$ //$NON-NLS-2$
e
);
AOUIFactory.showErrorMessage(
null,
SimpleAfirmaMessages.getString("HashHelper.8"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("HashHelper.1"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
return;
}
}
}
/** Crea las huellas digitales del fichero o directorio proporcionados mediante un
* interfaz gráfico.
* @param fileName Nombre del fichero o del directorio. */
public static void createHashUI(final String fileName) {
if (fileName == null) {
AOUIFactory.showErrorMessage(
null,
SimpleAfirmaMessages.getString("HashHelper.0"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("HashHelper.1"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
return;
}
final File file = new File(fileName);
if (!file.exists()) {
AOUIFactory.showErrorMessage(
null,
SimpleAfirmaMessages.getString("HashHelper.2"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("HashHelper.1"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
return;
}
if (!file.canRead()) {
AOUIFactory.showErrorMessage(
null,
SimpleAfirmaMessages.getString("HashHelper.3"), //$NON-NLS-1$
SimpleAfirmaMessages.getString("HashHelper.1"), //$NON-NLS-1$
JOptionPane.ERROR_MESSAGE
);
return;
}
if (file.isDirectory()) {
CreateHashFiles.doHashProcess(
null,
file.getAbsolutePath(),
DEFAULT_HASH_ALGORITHM,
DEFAULT_RECURSIVE
);
}
// Es un fichero
else {
CreateHashDialog.doHashProcess(
null,
file.getAbsolutePath(),
DEFAULT_HASH_ALGORITHM,
DEFAULT_HASH_FORMAT,
DEFAULT_COPY_TO_CLIPBOARD,
null
);
}
}
}
