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Diffstat (limited to 'src/gui/dbsettings/DatabaseSettingsWidgetDatabaseKey.cpp')
| -rw-r--r-- | src/gui/dbsettings/DatabaseSettingsWidgetDatabaseKey.cpp | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/src/gui/dbsettings/DatabaseSettingsWidgetDatabaseKey.cpp b/src/gui/dbsettings/DatabaseSettingsWidgetDatabaseKey.cpp new file mode 100644 index 000000000..2d733d06d --- /dev/null +++ b/src/gui/dbsettings/DatabaseSettingsWidgetDatabaseKey.cpp @@ -0,0 +1,260 @@ +/* + * 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 "DatabaseSettingsWidgetDatabaseKey.h" + +#include "core/Database.h" +#include "gui/MessageBox.h" +#include "gui/databasekey/KeyFileEditWidget.h" +#include "gui/databasekey/PasswordEditWidget.h" +#include "gui/databasekey/YubiKeyEditWidget.h" +#include "keys/FileKey.h" +#include "keys/PasswordKey.h" +#include "keys/YkChallengeResponseKey.h" + +#include <QPushButton> +#include <QSpacerItem> +#include <QVBoxLayout> + +DatabaseSettingsWidgetDatabaseKey::DatabaseSettingsWidgetDatabaseKey(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); +} + +DatabaseSettingsWidgetDatabaseKey::~DatabaseSettingsWidgetDatabaseKey() +{ +} + +void DatabaseSettingsWidgetDatabaseKey::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 DatabaseSettingsWidgetDatabaseKey::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 DatabaseSettingsWidgetDatabaseKey::uninitialize() +{ +} + +bool DatabaseSettingsWidgetDatabaseKey::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 DatabaseSettingsWidgetDatabaseKey::discard() +{ + emit editFinished(false); +} + +void DatabaseSettingsWidgetDatabaseKey::showAdditionalKeyOptions() +{ + setAdditionalKeyOptionsVisible(true); +} + +void DatabaseSettingsWidgetDatabaseKey::setAdditionalKeyOptionsVisible(bool show) +{ + m_additionalKeyOptionsToggle->setVisible(!show); + m_additionalKeyOptions->setVisible(show); + m_additionalKeyOptions->layout()->setSizeConstraint(QLayout::SetMinimumSize); + emit sizeChanged(); +} + +bool DatabaseSettingsWidgetDatabaseKey::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 database credentials"), error, MessageBox::Ok); + return false; + } + } else if (widget->visiblePage() == KeyComponentWidget::LeaveOrRemove) { + Q_ASSERT(oldKey); + newKey->addKey(oldKey); + } + return true; +} + +bool DatabaseSettingsWidgetDatabaseKey::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 database credentials"), error, MessageBox::Ok); + return false; + } + } else if (widget->visiblePage() == KeyComponentWidget::LeaveOrRemove) { + Q_ASSERT(oldKey); + newKey->addChallengeResponseKey(oldKey); + } + return true; +} + +void DatabaseSettingsWidgetDatabaseKey::markDirty() +{ + m_isDirty = true; +} |