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/*
* Copyright (C) 2018 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 "DatabaseSettingsWidgetMasterKey.h"
#include "core/Database.h"
#include "gui/MessageBox.h"
#include "gui/masterkey/KeyFileEditWidget.h"
#include "gui/masterkey/PasswordEditWidget.h"
#include "gui/masterkey/YubiKeyEditWidget.h"
#include "keys/FileKey.h"
#include "keys/PasswordKey.h"
#include "keys/YkChallengeResponseKey.h"
#include <QPushButton>
#include <QSpacerItem>
#include <QVBoxLayout>
DatabaseSettingsWidgetMasterKey::DatabaseSettingsWidgetMasterKey(QWidget* parent)
: DatabaseSettingsWidget(parent)
, m_additionalKeyOptionsToggle(new QPushButton(tr("Add additional protection..."), this))
, m_additionalKeyOptions(new QWidget(this))
, m_passwordEditWidget(new PasswordEditWidget(this))
, m_keyFileEditWidget(new KeyFileEditWidget(this))
#ifdef WITH_XC_YUBIKEY
, m_yubiKeyEditWidget(new YubiKeyEditWidget(this))
#endif
{
auto* vbox = new QVBoxLayout(this);
vbox->setSizeConstraint(QLayout::SetMinimumSize);
// primary password option
vbox->addWidget(m_passwordEditWidget);
// additional key options
m_additionalKeyOptionsToggle->setObjectName("additionalKeyOptionsToggle");
vbox->addWidget(m_additionalKeyOptionsToggle);
vbox->addWidget(m_additionalKeyOptions);
vbox->setSizeConstraint(QLayout::SetMinimumSize);
m_additionalKeyOptions->setLayout(new QVBoxLayout());
m_additionalKeyOptions->layout()->setMargin(0);
m_additionalKeyOptions->layout()->addWidget(m_keyFileEditWidget);
#ifdef WITH_XC_YUBIKEY
m_additionalKeyOptions->layout()->addWidget(m_yubiKeyEditWidget);
#endif
m_additionalKeyOptions->setVisible(false);
connect(m_additionalKeyOptionsToggle, SIGNAL(clicked()), SLOT(showAdditionalKeyOptions()));
vbox->addStretch();
setLayout(vbox);
}
DatabaseSettingsWidgetMasterKey::~DatabaseSettingsWidgetMasterKey()
{
}
void DatabaseSettingsWidgetMasterKey::load(QSharedPointer<Database> db)
{
DatabaseSettingsWidget::load(db);
if (!m_db->key() || m_db->key()->keys().isEmpty()) {
// database has no key, we are about to add a new one
m_passwordEditWidget->changeVisiblePage(KeyComponentWidget::Page::Edit);
m_passwordEditWidget->setPasswordVisible(true);
}
bool hasAdditionalKeys = false;
for (const auto& key : m_db->key()->keys()) {
if (key->uuid() == PasswordKey::UUID) {
m_passwordEditWidget->setComponentAdded(true);
} else if (key->uuid() == FileKey::UUID) {
m_keyFileEditWidget->setComponentAdded(true);
hasAdditionalKeys = true;
}
}
#ifdef WITH_XC_YUBIKEY
for (const auto& key : m_db->key()->challengeResponseKeys()) {
if (key->uuid() == YkChallengeResponseKey::UUID) {
m_yubiKeyEditWidget->setComponentAdded(true);
hasAdditionalKeys = true;
}
}
#endif
setAdditionalKeyOptionsVisible(hasAdditionalKeys);
connect(m_passwordEditWidget->findChild<QPushButton*>("removeButton"), SIGNAL(clicked()), SLOT(markDirty()));
connect(m_keyFileEditWidget->findChild<QPushButton*>("removeButton"), SIGNAL(clicked()), SLOT(markDirty()));
#ifdef WITH_XC_YUBIKEY
connect(m_yubiKeyEditWidget->findChild<QPushButton*>("removeButton"), SIGNAL(clicked()), SLOT(markDirty()));
#endif
}
void DatabaseSettingsWidgetMasterKey::initialize()
{
bool blocked = blockSignals(true);
m_passwordEditWidget->setComponentAdded(false);
m_keyFileEditWidget->setComponentAdded(false);
#ifdef WITH_XC_YUBIKEY
m_yubiKeyEditWidget->setComponentAdded(false);
#endif
blockSignals(blocked);
}
void DatabaseSettingsWidgetMasterKey::uninitialize()
{
}
bool DatabaseSettingsWidgetMasterKey::save()
{
m_isDirty |= (m_passwordEditWidget->visiblePage() == KeyComponentWidget::Page::Edit);
m_isDirty |= (m_keyFileEditWidget->visiblePage() == KeyComponentWidget::Page::Edit);
#ifdef WITH_XC_YUBIKEY
m_isDirty |= (m_yubiKeyEditWidget->visiblePage() == KeyComponentWidget::Page::Edit);
#endif
if (m_db->key() && !m_db->key()->keys().isEmpty() && !m_isDirty) {
// key unchanged
return true;
}
auto newKey = QSharedPointer<CompositeKey>::create();
QSharedPointer<Key> oldPasswordKey;
QSharedPointer<Key> oldFileKey;
QSharedPointer<ChallengeResponseKey> oldChallengeResponse;
for (const auto& key : m_db->key()->keys()) {
if (key->uuid() == PasswordKey::UUID) {
oldPasswordKey = key;
} else if (key->uuid() == FileKey::UUID) {
oldFileKey = key;
}
}
for (const auto& key : m_db->key()->challengeResponseKeys()) {
if (key->uuid() == YkChallengeResponseKey::UUID) {
oldChallengeResponse = key;
}
}
if (m_passwordEditWidget->visiblePage() == KeyComponentWidget::Page::AddNew || m_passwordEditWidget->isEmpty()) {
QScopedPointer<QMessageBox> msgBox(new QMessageBox(this));
msgBox->setIcon(QMessageBox::Warning);
msgBox->setWindowTitle(tr("No password set"));
msgBox->setText(tr("WARNING! You have not set a password. Using a database without "
"a password is strongly discouraged!\n\n"
"Are you sure you want to continue without a password?"));
auto btn = msgBox->addButton(tr("Continue without password"), QMessageBox::ButtonRole::AcceptRole);
msgBox->addButton(QMessageBox::Cancel);
msgBox->setDefaultButton(QMessageBox::Cancel);
msgBox->exec();
if (msgBox->clickedButton() != btn) {
return false;
}
} else if (!addToCompositeKey(m_passwordEditWidget, newKey, oldPasswordKey)) {
return false;
}
if (!addToCompositeKey(m_keyFileEditWidget, newKey, oldFileKey)) {
return false;
}
#ifdef WITH_XC_YUBIKEY
if (!addToCompositeKey(m_yubiKeyEditWidget, newKey, oldChallengeResponse)) {
return false;
}
#endif
if (newKey->keys().isEmpty() && newKey->challengeResponseKeys().isEmpty()) {
MessageBox::critical(this,
tr("No encryption key added"),
tr("You must add at least one encryption key to secure your database!"),
MessageBox::Ok,
MessageBox::Ok);
return false;
}
m_db->setKey(newKey, true, false, false);
emit editFinished(true);
if (m_isDirty) {
m_db->markAsModified();
}
return true;
}
void DatabaseSettingsWidgetMasterKey::discard()
{
emit editFinished(false);
}
void DatabaseSettingsWidgetMasterKey::showAdditionalKeyOptions()
{
setAdditionalKeyOptionsVisible(true);
}
void DatabaseSettingsWidgetMasterKey::setAdditionalKeyOptionsVisible(bool show)
{
m_additionalKeyOptionsToggle->setVisible(!show);
m_additionalKeyOptions->setVisible(show);
m_additionalKeyOptions->layout()->setSizeConstraint(QLayout::SetMinimumSize);
emit sizeChanged();
}
bool DatabaseSettingsWidgetMasterKey::addToCompositeKey(KeyComponentWidget* widget,
QSharedPointer<CompositeKey>& newKey,
QSharedPointer<Key>& oldKey)
{
if (widget->visiblePage() == KeyComponentWidget::Edit) {
QString error = tr("Unknown error");
if (!widget->validate(error) || !widget->addToCompositeKey(newKey)) {
MessageBox::critical(this, tr("Failed to change master key"), error, MessageBox::Ok);
return false;
}
} else if (widget->visiblePage() == KeyComponentWidget::LeaveOrRemove) {
Q_ASSERT(oldKey);
newKey->addKey(oldKey);
}
return true;
}
bool DatabaseSettingsWidgetMasterKey::addToCompositeKey(KeyComponentWidget* widget,
QSharedPointer<CompositeKey>& newKey,
QSharedPointer<ChallengeResponseKey>& oldKey)
{
if (widget->visiblePage() == KeyComponentWidget::Edit) {
QString error = tr("Unknown error");
if (!widget->validate(error) || !widget->addToCompositeKey(newKey)) {
MessageBox::critical(this, tr("Failed to change master key"), error, MessageBox::Ok);
return false;
}
} else if (widget->visiblePage() == KeyComponentWidget::LeaveOrRemove) {
Q_ASSERT(oldKey);
newKey->addChallengeResponseKey(oldKey);
}
return true;
}
void DatabaseSettingsWidgetMasterKey::markDirty()
{
m_isDirty = true;
}
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