newkeyapprovaldialog.cpp
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newkeyapprovaldialog.cpp
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	/* -- c++ --
	newkeyapprovaldialog.cpp

	This file is part of libkleopatra, the KDE keymanagement library
	SPDX-FileCopyrightText: 2018 Intevation GmbH

	SPDX-License-Identifier: GPL-2.0-or-later
	*/

	#include "newkeyapprovaldialog.h"
	#include "kleo/defaultkeyfilter.h"
	#include "keyselectioncombo.h"
	#include "progressdialog.h"
	#include "utils/formatting.h"

	#include "libkleo_debug.h"

	#include <QApplication>
	#include <QButtonGroup>
	#include <QDesktopWidget>
	#include <QDialogButtonBox>
	#include <QGroupBox>
	#include <QLabel>
	#include <QMap>
	#include <QPushButton>
	#include <QRadioButton>
	#include <QScrollArea>
	#include <QToolTip>
	#include <QVBoxLayout>

	#include <QGpgME/DefaultKeyGenerationJob>
	#include <QGpgME/CryptoConfig>
	#include <QGpgME/Protocol>
	#include <gpgme++/keygenerationresult.h>
	#include <gpgme++/key.h>

	#include <KLocalizedString>
	#include <KMessageBox>

	using namespace Kleo;

	namespace {
	class OpenPGPFilter: public DefaultKeyFilter
	{
	public:
	OpenPGPFilter() : DefaultKeyFilter()
	{
	setIsOpenPGP(DefaultKeyFilter::Set);
	setCanEncrypt(DefaultKeyFilter::Set);
	}
	};
	static std::shared_ptr<KeyFilter> s_pgpFilter = std::shared_ptr<KeyFilter> (new OpenPGPFilter);
	class OpenPGPSignFilter: public DefaultKeyFilter
	{
	public:
	OpenPGPSignFilter() : DefaultKeyFilter()
	{
	/* Also list unusable keys to make it transparent why they are unusable */
	setDisabled(DefaultKeyFilter::NotSet);
	setRevoked(DefaultKeyFilter::NotSet);
	setExpired(DefaultKeyFilter::NotSet);
	setCanSign(DefaultKeyFilter::Set);
	setHasSecret(DefaultKeyFilter::Set);
	setIsOpenPGP(DefaultKeyFilter::Set);
	}
	};
	static std::shared_ptr<KeyFilter> s_pgpSignFilter = std::shared_ptr<KeyFilter> (new OpenPGPSignFilter);
	class SMIMEFilter: public DefaultKeyFilter
	{
	public:
	SMIMEFilter(): DefaultKeyFilter()
	{
	setIsOpenPGP(DefaultKeyFilter::NotSet);
	setCanEncrypt(DefaultKeyFilter::Set);
	}
	};
	static std::shared_ptr<KeyFilter> s_smimeFilter = std::shared_ptr<KeyFilter> (new SMIMEFilter);
	class SMIMESignFilter: public DefaultKeyFilter
	{
	public:
	SMIMESignFilter(): DefaultKeyFilter()
	{
	setDisabled(DefaultKeyFilter::NotSet);
	setRevoked(DefaultKeyFilter::NotSet);
	setExpired(DefaultKeyFilter::NotSet);
	setCanSign(DefaultKeyFilter::Set);
	setIsOpenPGP(DefaultKeyFilter::NotSet);
	setHasSecret(DefaultKeyFilter::Set);
	}
	};
	static std::shared_ptr<KeyFilter> s_smimeSignFilter = std::shared_ptr<KeyFilter> (new SMIMESignFilter);
	static std::shared_ptr<KeyFilter> s_defaultFilter= std::shared_ptr<KeyFilter> (new DefaultKeyFilter);
	class SignFilter: public DefaultKeyFilter
	{
	public:
	SignFilter(): DefaultKeyFilter()
	{
	setHasSecret(DefaultKeyFilter::Set);
	}
	};
	static std::shared_ptr<KeyFilter> s_signFilter = std::shared_ptr<KeyFilter> (new SignFilter);

	/* Some decoration and a button to remove the filter for a keyselectioncombo */
	class ComboWidget: public QWidget
	{
	Q_OBJECT
	public:
	explicit ComboWidget(KeySelectionCombo *combo):
	mCombo(combo),
	mFilterBtn(new QPushButton),
	mFromOverride(GpgME::UnknownProtocol)
	{
	auto hLay = new QHBoxLayout(this);
	auto infoBtn = new QPushButton;
	infoBtn->setIcon(QIcon::fromTheme(QStringLiteral("help-contextual")));
	infoBtn->setIconSize(QSize(22,22));
	infoBtn->setFlat(true);
	hLay->addWidget(infoBtn);
	hLay->addWidget(combo, 1);
	hLay->addWidget(mFilterBtn, 0);

	connect(infoBtn, &QPushButton::clicked, this, [this, infoBtn] () {
	QToolTip::showText(infoBtn->mapToGlobal(QPoint()) + QPoint(infoBtn->width(), 0),
	mCombo->currentData(Qt::ToolTipRole).toString(), infoBtn, QRect(), 30000);
	});

	// Assume that combos start out with a filter
	mFilterBtn->setIcon(QIcon::fromTheme(QStringLiteral("kt-remove-filters")));
	mFilterBtn->setToolTip(i18n("Remove Filter"));

	// FIXME: This is ugly to enforce but otherwise the
	// icon is broken.
	combo->setMinimumHeight(22);
	mFilterBtn->setMinimumHeight(23);

	connect(mFilterBtn, &QPushButton::clicked, this, [this] () {
	const QString curFilter = mCombo->idFilter();
	if (curFilter.isEmpty()) {
	mCombo->setIdFilter(mLastIdFilter);
	mLastIdFilter = QString();
	mFilterBtn->setIcon(QIcon::fromTheme(QStringLiteral("kt-remove-filters")));
	mFilterBtn->setToolTip(i18n("Remove Filter"));
	} else {
	mLastIdFilter = curFilter;
	mFilterBtn->setIcon(QIcon::fromTheme(QStringLiteral("kt-add-filters")));
	mFilterBtn->setToolTip(i18n("Add Filter"));
	mCombo->setIdFilter(QString());
	}
	});
	}

	KeySelectionCombo *combo()
	{
	return mCombo;
	}

	GpgME::Protocol fromOverride() const
	{
	return mFromOverride;
	}

	void setFromOverride(GpgME::Protocol proto)
	{
	mFromOverride = proto;
	}

	private:
	KeySelectionCombo *mCombo;
	QPushButton *mFilterBtn;
	QString mLastIdFilter;
	GpgME::Protocol mFromOverride;
	};

	static enum GpgME::UserID::Validity keyValidity(const GpgME::Key &key)
	{
	enum GpgME::UserID::Validity validity = GpgME::UserID::Validity::Unknown;

	for (const auto &uid: key.userIDs()) {
	if (validity == GpgME::UserID::Validity::Unknown
	\|\| validity > uid.validity()) {
	validity = uid.validity();
	}
	}

	return validity;
	}

	static bool key_has_addr(const GpgME::Key &key, const QString &addr)
	{
	for (const auto &uid: key.userIDs()) {
	if (QString::fromStdString(uid.addrSpec()).toLower() == addr.toLower()) {
	return true;
	}
	}
	return false;
	}

	} // namespace

	class NewKeyApprovalDialog::Private
	{
	private:
	enum Action {
	Unset,
	GenerateKey,
	IgnoreKey,
	};
	public:
	Private(NewKeyApprovalDialog *pub,
	GpgME::Protocol forcedProtocol,
	GpgME::Protocol presetProtocol,
	const QString &sender, bool allowMixed):
	mProto(forcedProtocol),
	mSender(sender),
	mAllowMixed(allowMixed),
	q(pub)
	{
	// We do the translation here to avoid having the same string multiple times.
	mGenerateTooltip = i18nc("@info:tooltip for a 'Generate new key pair' action "
	"in a combobox when a user does not yet have an OpenPGP or S/MIME key.",
	"Generate a new key using your E-Mail address.<br/><br/>"
	"The key is necessary to decrypt and sign E-Mails. "
	"You will be asked for a passphrase to protect this key and the protected key "
	"will be stored in your home directory.");
	mMainLay = new QVBoxLayout;

	QDialogButtonBox *btnBox = new QDialogButtonBox(QDialogButtonBox::Ok \| QDialogButtonBox::Cancel);
	mOkButton = btnBox->button(QDialogButtonBox::Ok);
	QObject::connect (btnBox, &QDialogButtonBox::accepted, q, [this] () {
	accepted();
	});
	QObject::connect (btnBox, &QDialogButtonBox::rejected, q, &QDialog::reject);

	mScrollArea = new QScrollArea;
	mScrollArea->setWidget(new QWidget);
	mScrollLayout = new QVBoxLayout;
	mScrollArea->widget()->setLayout(mScrollLayout);
	mScrollArea->setWidgetResizable(true);
	mScrollArea->setSizeAdjustPolicy(QAbstractScrollArea::AdjustToContentsOnFirstShow);
	mScrollArea->setFrameStyle(QFrame::NoFrame);
	mScrollLayout->setContentsMargins(0, 0, 0, 0);

	q->setWindowTitle(i18nc("@title:window", "Security approval"));

	auto fmtLayout = new QHBoxLayout;
	mFormatBtns = new QButtonGroup;
	auto pgpBtn = new QRadioButton(i18n("OpenPGP"));
	auto smimeBtn = new QRadioButton(i18n("S/MIME"));
	mFormatBtns->addButton(pgpBtn, 1);
	mFormatBtns->addButton(smimeBtn, 2);
	mFormatBtns->setExclusive(true);

	fmtLayout->addStretch(-1);
	fmtLayout->addWidget(pgpBtn);
	fmtLayout->addWidget(smimeBtn);
	mMainLay->addLayout(fmtLayout);

	// Handle force / preset
	if (forcedProtocol == GpgME::OpenPGP) {
	pgpBtn->setChecked(true);
	pgpBtn->setVisible(false);
	smimeBtn->setVisible(false);
	} else if (forcedProtocol == GpgME::CMS) {
	smimeBtn->setChecked(true);
	pgpBtn->setVisible(false);
	smimeBtn->setVisible(false);
	} else if (presetProtocol == GpgME::CMS) {
	smimeBtn->setChecked(true);
	} else if (!mAllowMixed) {
	pgpBtn->setChecked(true);
	} else if (mAllowMixed) {
	smimeBtn->setVisible(false);
	pgpBtn->setVisible(false);
	}

	updateFilter();


	QObject::connect (mFormatBtns, static_cast<void (QButtonGroup::)(QAbstractButton , bool)> (&QButtonGroup::buttonToggled),
	q, [this](QAbstractButton *, bool) {
	updateFilter();
	});

	mMainLay->addWidget(mScrollArea);

	mComplianceLbl = new QLabel;
	mComplianceLbl->setVisible(false);

	auto btnLayout = new QHBoxLayout;
	btnLayout->addWidget(mComplianceLbl);
	btnLayout->addWidget(btnBox);
	mMainLay->addLayout(btnLayout);

	q->setLayout(mMainLay);

	}

	~Private() = default;

	void generateKey(KeySelectionCombo *combo)
	{
	const auto &addr = combo->property("address").toString();
	auto job = new QGpgME::DefaultKeyGenerationJob(q);
	auto progress = new Kleo::ProgressDialog(job, i18n("Generating key for '%1'...", addr) + QStringLiteral("\n\n") +
	i18n("This can take several minutes."), q);
	progress->setWindowFlags(progress->windowFlags() & ~Qt::WindowContextHelpButtonHint);
	progress->setWindowTitle(i18nc("@title:window", "Key generation"));
	progress->setModal(true);
	progress->setAutoClose(true);
	progress->setMinimumDuration(0);
	progress->setValue(0);

	mRunningJobs << job;
	connect (job, &QGpgME::DefaultKeyGenerationJob::result, q,
	[this, job, combo] (const GpgME::KeyGenerationResult &result) {
	handleKeyGenResult(result, job, combo);
	});
	job->start(addr, QString());
	return;
	}

	void handleKeyGenResult(const GpgME::KeyGenerationResult &result, QGpgME::Job job, KeySelectionCombo combo)
	{
	mLastError = result.error();
	if (!mLastError \|\| mLastError.isCanceled()) {
	combo->setDefaultKey(QString::fromLatin1(result.fingerprint()), GpgME::OpenPGP);
	connect (combo, &KeySelectionCombo::keyListingFinished, q, [this, job] () {
	mRunningJobs.removeAll(job);
	});
	combo->refreshKeys();
	} else {
	mRunningJobs.removeAll(job);
	}
	}

	void checkAccepted()
	{
	if (mLastError \|\| mLastError.isCanceled()) {
	KMessageBox::error(q, QString::fromLocal8Bit(mLastError.asString()), i18n("Operation Failed"));
	mRunningJobs.clear();
	return;
	}

	if (!mRunningJobs.empty()) {
	return;
	}
	/* Save the keys */
	bool isPGP = mFormatBtns->checkedId() == 1;
	bool isSMIME = mFormatBtns->checkedId() == 2;

	mAcceptedEnc.clear();
	mAcceptedSig.clear();

	for (const auto combo: qAsConst(mEncCombos)) {
	const auto &addr = combo->property("address").toString();
	const auto &key = combo->currentKey();
	if (!combo->isVisible()) {
	continue;
	}
	if (isSMIME && key.protocol() != GpgME::CMS) {
	continue;
	}
	if (isPGP && key.protocol() != GpgME::OpenPGP) {
	continue;
	}
	if (mAcceptedEnc.contains(addr)) {
	mAcceptedEnc[addr].push_back(key);
	} else {
	std::vector<GpgME::Key> vec;
	vec.push_back(key);
	mAcceptedEnc.insert(addr, vec);
	}
	}
	for (const auto combo: qAsConst(mSigningCombos)) {
	const auto key = combo->currentKey();
	if (!combo->isVisible()) {
	continue;
	}
	if (isSMIME && key.protocol() != GpgME::CMS) {
	continue;
	}
	if (isPGP && key.protocol() != GpgME::OpenPGP) {
	continue;
	}
	mAcceptedSig.push_back(combo->currentKey());
	}

	q->accept();
	}

	void accepted()
	{
	// We can assume everything was validly resolved, otherwise
	// the OK button would have been disabled.
	// Handle custom items now.
	for (auto combo: qAsConst(mAllCombos)) {
	auto act = combo->currentData(Qt::UserRole).toInt();
	if (act == GenerateKey) {
	generateKey(combo);
	// Only generate once
	return;
	}
	}
	checkAccepted();
	}

	void updateFilter()
	{
	const bool isPGP = !mAllowMixed && mFormatBtns->checkedId() == 1;
	const bool isSMIME = !mAllowMixed && mFormatBtns->checkedId() == 2;

	if (isSMIME) {
	mCurEncFilter = s_smimeFilter;
	mCurSigFilter = s_smimeSignFilter;
	} else if (isPGP) {
	mCurEncFilter = s_pgpFilter;
	mCurSigFilter = s_pgpSignFilter;
	} else {
	mCurEncFilter = s_defaultFilter;
	mCurSigFilter = s_signFilter;
	}
	for (auto combo: qAsConst(mSigningCombos)) {
	combo->setKeyFilter(mCurSigFilter);
	auto widget = qobject_cast <ComboWidget *>(combo->parentWidget());
	if (!widget) {
	qCDebug(LIBKLEO_LOG) << "Failed to find signature combo widget";
	continue;
	}
	widget->setVisible(mAllowMixed \|\|
	widget->fromOverride() == GpgME::UnknownProtocol \|\|
	((isSMIME && widget->fromOverride() == GpgME::CMS) \|\|
	(isPGP && widget->fromOverride() == GpgME::OpenPGP)));
	}
	for (auto combo: qAsConst(mEncCombos)) {
	combo->setKeyFilter(mCurEncFilter);

	auto widget = qobject_cast <ComboWidget *>(combo->parentWidget());
	if (!widget) {
	qCDebug(LIBKLEO_LOG) << "Failed to find combo widget";
	continue;
	}
	widget->setVisible(mAllowMixed \|\|
	widget->fromOverride() == GpgME::UnknownProtocol \|\|
	((isSMIME && widget->fromOverride() == GpgME::CMS) \|\|
	(isPGP && widget->fromOverride() == GpgME::OpenPGP)));
	}
	}

	ComboWidget *createSigningCombo(const QString &addr, const GpgME::Key &key)
	{
	auto combo = new KeySelectionCombo();
	#ifndef NDEBUG
	combo->setObjectName(QStringLiteral("signing key"));
	#endif
	combo->setKeyFilter(mCurSigFilter);
	if (!key.isNull()) {
	if (mAllowMixed) {
	// do not set the key for a specific protocol if mixed protocols are allowed
	combo->setDefaultKey(QString::fromLatin1(key.primaryFingerprint()));
	} else {
	combo->setDefaultKey(QString::fromLatin1(key.primaryFingerprint()), key.protocol());
	}
	}
	if (key.isNull() && mProto != GpgME::CMS) {
	combo->appendCustomItem(QIcon::fromTheme(QStringLiteral("document-new")),
	i18n("Generate a new key pair"), GenerateKey,
	mGenerateTooltip);
	}
	combo->appendCustomItem(QIcon::fromTheme(QStringLiteral("emblem-unavailable")),
	i18n("Don't confirm identity and integrity"), IgnoreKey,
	i18nc("@info:tooltip for not selecting a key for signing.",
	"The E-Mail will not be cryptographically signed."));

	mSigningCombos << combo;
	mAllCombos << combo;
	combo->setProperty("address", addr);

	connect(combo, &KeySelectionCombo::currentKeyChanged, q, [this] () {
	updateOkButton();
	});
	connect(combo, QOverload<int>::of(&QComboBox::currentIndexChanged), q, [this] () {
	updateOkButton();
	});

	return new ComboWidget(combo);
	}

	void addSigningKeys(const QMap<QString, std::vector<GpgME::Key> > &resolved,
	const QStringList &unresolved)
	{
	if (resolved.empty() && unresolved.empty()) {
	return;
	}
	for (const QString &addr: resolved.keys()) {
	auto group = new QGroupBox(i18nc("Caption for signing key selection",
	"Confirm identity '%1' as:", addr));
	group->setAlignment(Qt::AlignLeft);
	mScrollLayout->addWidget(group);
	auto sigLayout = new QVBoxLayout;

	group->setLayout(sigLayout);
	for (const auto &key: resolved[addr])
	{
	auto comboWidget = createSigningCombo(addr, key);
	if (key_has_addr (key, addr)) {
	comboWidget->combo()->setIdFilter(addr);
	}
	if (resolved[addr].size() > 1) {
	comboWidget->setFromOverride(key.protocol());
	}
	sigLayout->addWidget(comboWidget);
	}
	}
	for (const QString &addr: qAsConst(unresolved)) {
	auto group = new QGroupBox(i18nc("Caption for signing key selection, no key found",
	"No key found for the address '%1':", addr));
	group->setAlignment(Qt::AlignLeft);
	mScrollLayout->addWidget(group);
	auto sigLayout = new QHBoxLayout;

	group->setLayout(sigLayout);

	auto comboWidget = createSigningCombo(addr, GpgME::Key());
	comboWidget->combo()->setIdFilter(addr);
	sigLayout->addWidget(comboWidget);
	}
	}

	void addEncryptionAddr(const QString &addr, const std::vector<GpgME::Key> &keys,
	QGridLayout *encGrid)
	{
	encGrid->addWidget(new QLabel(addr), encGrid->rowCount(), 0);
	for (const auto &key: keys)
	{
	auto combo = new KeySelectionCombo(false);
	#ifndef NDEBUG
	combo->setObjectName(QStringLiteral("encryption key"));
	#endif
	combo->setKeyFilter(mCurEncFilter);
	if (!key.isNull()) {
	if (mAllowMixed) {
	// do not set the key for a specific protocol if mixed protocols are allowed
	combo->setDefaultKey(QString::fromLatin1(key.primaryFingerprint()));
	} else {
	combo->setDefaultKey(QString::fromLatin1(key.primaryFingerprint()), key.protocol());
	}
	}

	if (mSender == addr && key.isNull()) {
	combo->appendCustomItem(QIcon::fromTheme(QStringLiteral("document-new")),
	i18n("Generate a new key pair"), GenerateKey,
	mGenerateTooltip);
	}

	combo->appendCustomItem(QIcon::fromTheme(QStringLiteral("emblem-unavailable")),
	i18n("No key. Recipient will be unable to decrypt."), IgnoreKey,
	i18nc("@info:tooltip for No Key selected for a specific recipient.",
	"Do not select a key for this recipient.<br/><br/>"
	"The recipient will receive the encrypted E-Mail, but it can only "
	"be decrypted with the other keys selected in this dialog."));

	if (key.isNull() \|\| key_has_addr (key, addr)) {
	combo->setIdFilter(addr);
	}

	connect(combo, &KeySelectionCombo::currentKeyChanged, q, [this] () {
	updateOkButton();
	});
	connect(combo, QOverload<int>::of(&QComboBox::currentIndexChanged), q, [this] () {
	updateOkButton();
	});

	mEncCombos << combo;
	mAllCombos << combo;
	combo->setProperty("address", addr);
	auto comboWidget = new ComboWidget(combo);
	if (keys.size() > 1) {
	comboWidget->setFromOverride(key.protocol());
	}
	encGrid->addWidget(comboWidget, encGrid->rowCount(), 0, 1, 2);
	}
	}

	void addEncryptionKeys(const QMap<QString, std::vector<GpgME::Key> > &resolved,
	const QStringList &unresolved)
	{
	if (resolved.empty() && unresolved.empty()) {
	return;
	}
	auto group = new QGroupBox(i18n("Encrypt to:"));
	group->setAlignment(Qt::AlignLeft);
	auto encGrid = new QGridLayout;
	group->setLayout(encGrid);
	mScrollLayout->addWidget(group);

	for (const QString &addr: resolved.keys()) {
	addEncryptionAddr(addr, resolved[addr], encGrid);
	}
	std::vector<GpgME::Key> dummy;
	dummy.push_back(GpgME::Key());
	for (const QString &addr: unresolved) {
	addEncryptionAddr(addr, dummy, encGrid);
	}

	encGrid->setColumnStretch(1, -1);
	mScrollLayout->addStretch(-1);
	}

	void updateOkButton()
	{
	static QString origOkText = mOkButton->text();
	bool isGenerate = false;
	bool isAllIgnored = true;
	// Check if generate is selected.
	for (auto combo: mAllCombos) {
	auto act = combo->currentData(Qt::UserRole).toInt();
	if (act == GenerateKey) {
	mOkButton->setText(i18n("Generate"));
	isGenerate = true;
	}
	if (act != IgnoreKey) {
	isAllIgnored = false;
	}
	}

	// If we don't encrypt the ok button is always enabled. But otherwise
	// we only enable it if we encrypt to at least one recipient.
	if (!mEncCombos.size()) {
	mOkButton->setEnabled(true);
	} else {
	mOkButton->setEnabled(!isAllIgnored);
	}

	if (!isGenerate) {
	mOkButton->setText(origOkText);
	}

	if (Formatting::complianceMode() != QLatin1String("de-vs")) {
	return;
	}

	// Handle compliance
	bool de_vs = true;

	bool isPGP = mFormatBtns->checkedId() == 1;
	bool isSMIME = mFormatBtns->checkedId() == 2;

	for (const auto combo: qAsConst(mEncCombos)) {
	const auto &key = combo->currentKey();
	if (!combo->isVisible()) {
	continue;
	}
	if (isSMIME && key.protocol() != GpgME::CMS) {
	continue;
	}
	if (isPGP && key.protocol() != GpgME::OpenPGP) {
	continue;
	}
	if (!Formatting::isKeyDeVs(key) \|\| keyValidity(key) < GpgME::UserID::Validity::Full) {
	de_vs = false;
	break;
	}
	}
	if (de_vs) {
	for (const auto combo: qAsConst(mSigningCombos)) {
	const auto key = combo->currentKey();
	if (!combo->isVisible()) {
	continue;
	}
	if (isSMIME && key.protocol() != GpgME::CMS) {
	continue;
	}
	if (isPGP && key.protocol() != GpgME::OpenPGP) {
	continue;
	}
	if (!Formatting::isKeyDeVs(key) \|\| keyValidity(key) < GpgME::UserID::Validity::Full) {
	de_vs = false;
	break;
	}
	}
	}

	mOkButton->setIcon(QIcon::fromTheme(de_vs
	? QStringLiteral("security-high")
	: QStringLiteral("security-medium")));
	mOkButton->setStyleSheet(QStringLiteral("background-color: ") + (de_vs
	? QStringLiteral("#D5FAE2") // KColorScheme(QPalette::Active, KColorScheme::View).background(KColorScheme::PositiveBackground).color().name()
	: QStringLiteral("#FAE9EB"))); //KColorScheme(QPalette::Active, KColorScheme::View).background(KColorScheme::NegativeBackground).color().name()));
	mComplianceLbl->setText(de_vs
	? i18nc("%1 is a placeholder for the name of a compliance mode. E.g. NATO RESTRICTED compliant or VS-NfD compliant",
	"%1 communication possible.", Formatting::deVsString())
	: i18nc("%1 is a placeholder for the name of a compliance mode. E.g. NATO RESTRICTED compliant or VS-NfD compliant",
	"%1 communication not possible.", Formatting::deVsString()));
	mComplianceLbl->setVisible(true);
	}

	void selectionChanged()
	{
	bool isPGP = false;
	bool isCMS = false;
	for (const auto combo: mEncCombos) {
	isPGP \|= combo->currentKey().protocol() == GpgME::OpenPGP;
	isCMS \|= combo->currentKey().protocol() == GpgME::CMS;
	if (isPGP && isCMS) {
	break;
	}
	}
	}

	GpgME::Protocol mProto;
	QList<KeySelectionCombo *> mSigningCombos;
	QList<KeySelectionCombo *> mEncCombos;
	QList<KeySelectionCombo *> mAllCombos;
	QScrollArea *mScrollArea;
	QVBoxLayout *mScrollLayout;
	QPushButton *mOkButton;
	QVBoxLayout *mMainLay;
	QButtonGroup *mFormatBtns;
	std::shared_ptr<KeyFilter> mCurSigFilter;
	std::shared_ptr<KeyFilter> mCurEncFilter;
	QString mSender;
	bool mAllowMixed;
	NewKeyApprovalDialog *q;
	QList <QGpgME::Job *> mRunningJobs;
	GpgME::Error mLastError;
	QLabel *mComplianceLbl;
	QMap<QString, std::vector<GpgME::Key> > mAcceptedEnc;
	std::vector<GpgME::Key> mAcceptedSig;
	QString mGenerateTooltip;
	};

	NewKeyApprovalDialog::NewKeyApprovalDialog(const QMap<QString, std::vector<GpgME::Key> > &resolvedSigningKeys,
	const QMap<QString, std::vector<GpgME::Key> > &resolvedRecp,
	const QStringList &unresolvedSigKeys,
	const QStringList &unresolvedRecp,
	const QString &sender,
	bool allowMixed,
	GpgME::Protocol forcedProtocol,
	GpgME::Protocol presetProtocol,
	QWidget *parent,
	Qt::WindowFlags f): QDialog(parent, f),
	d(new Private(this, forcedProtocol, presetProtocol, sender, allowMixed))
	{
	d->addSigningKeys(resolvedSigningKeys, unresolvedSigKeys);
	d->addEncryptionKeys(resolvedRecp, unresolvedRecp);
	d->updateFilter();
	d->updateOkButton();

	const auto size = sizeHint();
	const auto desk = QApplication::desktop()->screenGeometry(this);
	resize(QSize(desk.width() / 3, qMin(size.height(), desk.height() / 2)));
	}

	Kleo::NewKeyApprovalDialog::~NewKeyApprovalDialog() = default;

	std::vector<GpgME::Key> NewKeyApprovalDialog::signingKeys()
	{
	return d->mAcceptedSig;
	}

	QMap <QString, std::vector<GpgME::Key> > NewKeyApprovalDialog::encryptionKeys()
	{
	return d->mAcceptedEnc;
	}

	#include "newkeyapprovaldialog.moc"

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