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/*
* Copyright (C) 2017 KeePassXC Team <team@keepassxc.org>
*
* This program 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 or (at your option)
* version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cstdlib>
#include <stdio.h>
#include "Extract.h"
#include <QCommandLineParser>
#include <QFile>
#include <QTextStream>
#include "cli/Utils.h"
#include "core/Database.h"
#include "format/KeePass2Reader.h"
#include "keys/CompositeKey.h"
#include "keys/FileKey.h"
#include "keys/PasswordKey.h"
Extract::Extract()
{
name = QString("extract");
description = QObject::tr("Extract and print the content of a database.");
}
Extract::~Extract()
{
}
int Extract::execute(const QStringList& arguments)
{
QTextStream out(stdout);
QTextStream errorTextStream(stderr);
QCommandLineParser parser;
parser.setApplicationDescription(this->description);
parser.addPositionalArgument("database", QObject::tr("Path of the database to extract."));
QCommandLineOption keyFile(QStringList() << "k"
<< "key-file",
QObject::tr("Key file of the database."),
QObject::tr("path"));
parser.addOption(keyFile);
parser.process(arguments);
const QStringList args = parser.positionalArguments();
if (args.size() != 1) {
out << parser.helpText().replace("keepassxc-cli", "keepassxc-cli extract");
return EXIT_FAILURE;
}
out << QObject::tr("Insert password to unlock %1: ").arg(args.at(0));
out.flush();
CompositeKey compositeKey;
QString line = Utils::getPassword();
PasswordKey passwordKey;
passwordKey.setPassword(line);
compositeKey.addKey(passwordKey);
QString keyFilePath = parser.value(keyFile);
if (!keyFilePath.isEmpty()) {
FileKey fileKey;
QString errorMsg;
if (!fileKey.load(keyFilePath, &errorMsg)) {
errorTextStream << QObject::tr("Failed to load key file %1 : %2").arg(keyFilePath).arg(errorMsg);
errorTextStream << endl;
return EXIT_FAILURE;
}
if (fileKey.type() != FileKey::Hashed) {
errorTextStream << QObject::tr("WARNING: You are using a legacy key file format which may become\n"
"unsupported in the future.\n\n"
"Please consider generating a new key file.");
errorTextStream << endl;
}
compositeKey.addKey(fileKey);
}
QString databaseFilename = args.at(0);
QFile dbFile(databaseFilename);
if (!dbFile.exists()) {
qCritical("File %s does not exist.", qPrintable(databaseFilename));
return EXIT_FAILURE;
}
if (!dbFile.open(QIODevice::ReadOnly)) {
qCritical("Unable to open file %s.", qPrintable(databaseFilename));
return EXIT_FAILURE;
}
KeePass2Reader reader;
reader.setSaveXml(true);
Database* db = reader.readDatabase(&dbFile, compositeKey);
delete db;
QByteArray xmlData = reader.reader()->xmlData();
if (reader.hasError()) {
if (xmlData.isEmpty()) {
qCritical("Error while reading the database:\n%s", qPrintable(reader.errorString()));
} else {
qWarning("Error while parsing the database:\n%s\n", qPrintable(reader.errorString()));
}
return EXIT_FAILURE;
}
out << xmlData.constData() << "\n";
return EXIT_SUCCESS;
}
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