File indexing completed on 2024-04-28 16:21:26

 /* This file is part of the KDE project
    Copyright 2009 Stefan Nikolaus <stefan.nikolaus@kdemail.net>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
 #include "ProtectableObject.h"
 
 #include "part/Digest.h" // FIXME detach from part
 #include "SheetsDebug.h"
 
 #include <KoXmlNS.h>
 
 #include <kcodecs.h>
 #include <KLocalizedString>
 #include <kmessagebox.h>
 #include <knewpassworddialog.h>
 #include <kpassworddialog.h>
 
 #include <QPointer>
 
 using namespace Calligra::Sheets;
 
 void ProtectableObject::password(QByteArray & password) const
 {
     password = m_password;
 }
 
 bool ProtectableObject::isProtected() const
 {
     return !m_password.isNull();
 }
 
 void ProtectableObject::setProtected(QByteArray const & password)
 {
     m_password = password;
 }
 
 bool ProtectableObject::checkPassword(QByteArray const & password) const
 {
     return (password == m_password);
 }
 
 bool ProtectableObject::showPasswordDialog(QWidget* parent, Mode mode, const QString& title)
 {
     if (mode == Lock) {
         QPointer<KNewPasswordDialog> dlg = new KNewPasswordDialog(parent);
         dlg->setPrompt(i18n("Enter a password."));
         dlg->setWindowTitle(title);
         if (dlg->exec() != KPasswordDialog::Accepted) {
             return false;
         }
 
         QByteArray hash;
         QString password = dlg->password();
         if (password.length() > 0) {
             SHA1::getHash(password, hash);
         }
         m_password = hash;
         delete dlg;
     } else { /* Unlock */
         QPointer<KPasswordDialog> dlg = new KPasswordDialog(parent);
         dlg->setPrompt(i18n("Enter the password."));
         dlg->setWindowTitle(title);
         if (dlg->exec() != KPasswordDialog::Accepted) {
             return false;
         }
 
         QByteArray hash("");
         QString password(dlg->password());
         if (password.length() > 0) {
             SHA1::getHash(password, hash);
         }
         if (!checkPassword(hash)) {
             KMessageBox::error(parent, i18n("Password is incorrect."));
             return false;
         }
         m_password = QByteArray();
         delete dlg;
     }
     return true;
 }
 
 void ProtectableObject::loadXmlProtection(const KoXmlElement& element)
 {
     if (element.hasAttribute("protected")) {
         const QString passwd = element.attribute("protected");
         QByteArray str(passwd.toUtf8());
         m_password = KCodecs::base64Decode(str);
     }
 }