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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 "YubiKeyEditWidget.h"
#include "ui_YubiKeyEditWidget.h"
#include "config-keepassx.h"
#include "core/AsyncTask.h"
#include "gui/MainWindow.h"
#include "gui/MessageBox.h"
#include "keys/CompositeKey.h"
#include "keys/YkChallengeResponseKey.h"
YubiKeyEditWidget::YubiKeyEditWidget(QWidget* parent)
: KeyComponentWidget(parent)
, m_compUi(new Ui::YubiKeyEditWidget())
{
setComponentName(tr("YubiKey Challenge-Response"));
setComponentDescription(
tr("<p>If you own a <a href=\"https://www.yubico.com/\">YubiKey</a>, you can use it "
"for additional security.</p><p>The YubiKey requires one of its slots to be programmed as "
"<a href=\"https://www.yubico.com/products/services-software/personalization-tools/challenge-response/\">"
"HMAC-SHA1 Challenge-Response</a>.</p>"));
connect(YubiKey::instance(), SIGNAL(detectComplete(bool)), SLOT(hardwareKeyResponse(bool)), Qt::QueuedConnection);
}
YubiKeyEditWidget::~YubiKeyEditWidget()
{
}
bool YubiKeyEditWidget::addToCompositeKey(QSharedPointer<CompositeKey> key)
{
if (!m_isDetected || !m_compEditWidget) {
return false;
}
int selectionIndex = m_compUi->comboChallengeResponse->currentIndex();
auto slot = m_compUi->comboChallengeResponse->itemData(selectionIndex).value<YubiKeySlot>();
key->addChallengeResponseKey(QSharedPointer<YkChallengeResponseKey>::create(slot));
return true;
}
bool YubiKeyEditWidget::validate(QString& errorMessage) const
{
if (!m_isDetected) {
errorMessage = tr("Could not find any hardware keys!");
return false;
}
// Perform a test challenge response
int selectionIndex = m_compUi->comboChallengeResponse->currentIndex();
auto slot = m_compUi->comboChallengeResponse->itemData(selectionIndex).value<YubiKeySlot>();
bool valid = AsyncTask::runAndWaitForFuture([&slot] { return YubiKey::instance()->testChallenge(slot); });
if (!valid) {
errorMessage = tr("Selected hardware key slot does not support challenge-response!");
}
return valid;
}
QWidget* YubiKeyEditWidget::componentEditWidget()
{
m_compEditWidget = new QWidget();
m_compUi->setupUi(m_compEditWidget);
QSizePolicy sp = m_compUi->yubikeyProgress->sizePolicy();
sp.setRetainSizeWhenHidden(true);
m_compUi->yubikeyProgress->setSizePolicy(sp);
m_compUi->yubikeyProgress->setVisible(false);
#ifdef WITH_XC_YUBIKEY
connect(m_compUi->buttonRedetectYubikey, SIGNAL(clicked()), SLOT(pollYubikey()));
pollYubikey();
#endif
return m_compEditWidget;
}
void YubiKeyEditWidget::initComponentEditWidget(QWidget* widget)
{
Q_UNUSED(widget);
Q_ASSERT(m_compEditWidget);
m_compUi->comboChallengeResponse->setFocus();
}
void YubiKeyEditWidget::pollYubikey()
{
#ifdef WITH_XC_YUBIKEY
if (!m_compEditWidget) {
return;
}
m_isDetected = false;
m_compUi->comboChallengeResponse->clear();
m_compUi->comboChallengeResponse->addItem(tr("Detecting hardware keys…"));
m_compUi->buttonRedetectYubikey->setEnabled(false);
m_compUi->comboChallengeResponse->setEnabled(false);
m_compUi->yubikeyProgress->setVisible(true);
YubiKey::instance()->findValidKeys();
#endif
}
void YubiKeyEditWidget::hardwareKeyResponse(bool found)
{
if (!m_compEditWidget) {
return;
}
m_compUi->comboChallengeResponse->clear();
m_compUi->buttonRedetectYubikey->setEnabled(true);
m_compUi->yubikeyProgress->setVisible(false);
if (!found) {
m_compUi->comboChallengeResponse->addItem(tr("No hardware keys detected"));
m_isDetected = false;
return;
}
for (auto& slot : YubiKey::instance()->foundKeys()) {
// add detected YubiKey to combo box and encode blocking mode in LSB, slot number in second LSB
m_compUi->comboChallengeResponse->addItem(YubiKey::instance()->getDisplayName(slot), QVariant::fromValue(slot));
}
m_isDetected = true;
m_compUi->comboChallengeResponse->setEnabled(true);
}
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