Add first keepassxc-cli version.

src/cli/Extract.cpp

@@ -0,0 +1,87 @@
+/*
+ *  Copyright (C) 2010 Felix Geyer <debfx@fobos.de>
+ *
+ *  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 <stdio.h>
+
+#include "Extract.h"
+
+#include <QCommandLineParser>
+#include <QCoreApplication>
+#include <QFile>
+#include <QStringList>
+#include <QTextStream>
+
+#include "core/Database.h"
+#include "crypto/Crypto.h"
+#include "format/KeePass2Reader.h"
+#include "keys/CompositeKey.h"
+#include "keys/FileKey.h"
+#include "keys/PasswordKey.h"
+
+int Extract::execute(int argc, char **argv)
+{
+    QCoreApplication app(argc, argv);
+
+    QCommandLineParser parser;
+    parser.setApplicationDescription(QCoreApplication::translate("main",
+                                                                 "Extract and print a KeePassXC database file."));
+    parser.addPositionalArgument("database", QCoreApplication::translate("main", "path of the database to extract."));
+    parser.process(app);
+
+    const QStringList args = parser.positionalArguments();
+    if (args.size() != 1) {
+        parser.showHelp();
+        return 1;
+    }
+
+    static QTextStream inputTextStream(stdin, QIODevice::ReadOnly);
+    QString line = inputTextStream.readLine();
+    CompositeKey key = CompositeKey::readFromLine(line);
+
+    QString databaseFilename = args.at(0);
+    QFile dbFile(databaseFilename);
+    if (!dbFile.exists()) {
+        qCritical("File %s does not exist.", qPrintable(databaseFilename));
+        return 1;
+    }
+    if (!dbFile.open(QIODevice::ReadOnly)) {
+        qCritical("Unable to open file %s.", qPrintable(databaseFilename));
+        return 1;
+    }
+
+    KeePass2Reader reader;
+    reader.setSaveXml(true);
+    Database* db = reader.readDatabase(&dbFile, key);
+    delete db;
+
+    QByteArray xmlData = reader.xmlData();
+
+    if (reader.hasError()) {
+        if (xmlData.isEmpty()) {
+            qCritical("Error while reading the database:\n%s", qPrintable(reader.errorString()));
+            return 1;
+        }
+        else {
+            qWarning("Error while parsing the database:\n%s\n", qPrintable(reader.errorString()));
+        }
+    }
+
+    QTextStream out(stdout);
+    out << xmlData.constData() << "\n";
+
+    return 0;
+}