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	diff --git a/src/dialogs/certificatedetailswidget.cpp b/src/dialogs/certificatedetailswidget.cpp
	index 1af4c86fd..dfdce8000 100644
	--- a/src/dialogs/certificatedetailswidget.cpp
	+++ b/src/dialogs/certificatedetailswidget.cpp
	@@ -1,1160 +1,1158 @@
	/*
	dialogs/certificatedetailswidget.cpp

	This file is part of Kleopatra, the KDE keymanager
	SPDX-FileCopyrightText: 2016 Klarälvdalens Datakonsult AB
	SPDX-FileCopyrightText: 2017 Intevation GmbH
	SPDX-FileCopyrightText: 2022 g10 Code GmbH
	SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de>
	SPDX-FileCopyrightText: 2022 Felix Tiede

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

	#include <config-kleopatra.h>

	#include "certificatedetailswidget.h"

	#include "kleopatra_debug.h"
	#include "exportdialog.h"
	#include "trustchainwidget.h"
	#include "subkeyswidget.h"
	#include "weboftrustdialog.h"

	#include "commands/changepassphrasecommand.h"
	#include "commands/changeexpirycommand.h"
	#include "commands/certifycertificatecommand.h"
	#ifdef MAILAKONADI_ENABLED
	#include "commands/exportopenpgpcerttoprovidercommand.h"
	#endif // MAILAKONADI_ENABLED
	#include "commands/refreshcertificatecommand.h"
	#include "commands/revokecertificationcommand.h"
	#include "commands/revokeuseridcommand.h"
	#include "commands/adduseridcommand.h"
	#include "commands/genrevokecommand.h"
	#include "commands/detailscommand.h"
	#include "commands/dumpcertificatecommand.h"

	#include "utils/keys.h"
	#include "utils/tags.h"

	#include <Libkleo/Formatting>
	#include <Libkleo/Dn>
	#include <Libkleo/KeyCache>
	#include <Libkleo/GnuPG>

	#include <KLocalizedString>
	#include <KMessageBox>
	#include <KSeparator>

	#include <gpgme++/context.h>
	#include <gpgme++/key.h>
	#include <gpgme++/keylistresult.h>
	#include <gpgme++/tofuinfo.h>

	#include <QGpgME/Debug>
	#include <QGpgME/Protocol>
	#include <QGpgME/KeyListJob>

	#include <QClipboard>
	#include <QDateTime>
	#include <QGridLayout>
	#include <QGuiApplication>
	#include <QHBoxLayout>
	#include <QLabel>
	#include <QListWidget>
	#include <QLocale>
	#include <QMenu>
	#include <QPushButton>
	#include <QStringBuilder>
	#include <QTreeWidget>
	#include <QVBoxLayout>

	#include <map>
	#if __has_include(<ranges>)
	#include <ranges>
	#define USE_RANGES
	#endif
	#include <set>

	Q_DECLARE_METATYPE(GpgME::UserID)

	using namespace Kleo;

	static const char *accessibleNameProperty = "_kleo_accessibleName";

	class InfoField {
	public:
	InfoField(const QString &label, QWidget *parent);

	void setValue(const QString &value, const QString &accessibleValue = {});
	QString value() const;

	void setIcon(const QIcon &icon);
	void setAction(const QAction *action);
	void setToolTip(const QString &toolTip);
	void setVisible(bool visible);

	QLabel *label() const { return mLabel; }
	QLayout *layout() const { return mLayout; }

	private:
	void onActionChanged();

	QLabel *mLabel = nullptr;
	QHBoxLayout *mLayout = nullptr;
	QLabel *mIcon = nullptr;
	QLabel *mValue = nullptr;
	QPushButton *mButton = nullptr;
	const QAction *mAction = nullptr;
	};

	InfoField::InfoField(const QString &label, QWidget *parent)
	: mLabel{new QLabel{label, parent}}
	, mLayout{new QHBoxLayout}
	, mIcon{new QLabel{parent}}
	, mValue{new QLabel{parent}}
	, mButton{new QPushButton{parent}}
	{
	mLabel->setBuddy(mValue);
	mLabel->setTextInteractionFlags(Qt::TextSelectableByMouse);
	mIcon->setVisible(false);
	mLayout->addWidget(mIcon);
	mValue->setTextInteractionFlags(Qt::TextSelectableByMouse);
	mValue->setFocusPolicy(Qt::TabFocus);
	mLayout->addWidget(mValue);
	mButton->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
	mButton->setVisible(false);
	mLayout->addWidget(mButton);
	mLayout->addStretch();
	}

	void InfoField::setValue(const QString &value, const QString &accessibleValue)
	{
	mValue->setText(value);
	mValue->setAccessibleName(accessibleValue);
	}

	QString InfoField::value() const
	{
	return mValue->text();
	}

	void InfoField::setIcon(const QIcon &icon)
	{
	if (!icon.isNull()) {
	const int iconSize = mIcon->style()->pixelMetric(QStyle::PM_SmallIconSize, nullptr, mIcon);
	mIcon->setPixmap(icon.pixmap(iconSize));
	mIcon->setVisible(true);
	} else {
	mIcon->setVisible(false);
	mIcon->clear();
	}
	}

	void InfoField::setAction(const QAction *action)
	{
	if (action == mAction) {
	return;
	}
	if (mAction) {
	QObject::disconnect(mButton, {}, mAction, {});
	QObject::disconnect(mAction, {}, mButton, {});
	}
	mAction = action;
	if (mAction) {
	QObject::connect(mButton, &QPushButton::clicked, action, &QAction::trigger);
	QObject::connect(mAction, &QAction::changed, mButton, [this]() {
	onActionChanged();
	});
	onActionChanged();
	mButton->setAccessibleName(mAction->property(accessibleNameProperty).toString());
	mButton->setVisible(true);
	} else {
	mButton->setVisible(false);
	mButton->setText({});
	mButton->setIcon({});
	}
	}

	void InfoField::setToolTip(const QString &toolTip)
	{
	mValue->setToolTip(toolTip);
	}

	void InfoField::setVisible(bool visible)
	{
	mLabel->setVisible(visible);
	mIcon->setVisible(visible && !mIcon->pixmap(Qt::ReturnByValue).isNull());
	mValue->setVisible(visible);
	mButton->setVisible(visible && mAction);
	}

	void InfoField::onActionChanged()
	{
	if (!mAction) {
	return;
	}
	if (mAction->text() != mButton->text()) {
	mButton->setText(mAction->text());
	}
	mButton->setIcon(mAction->icon());
	if (mAction->toolTip() != mButton->toolTip()) {
	mButton->setToolTip(mAction->toolTip());
	}
	if (mAction->isEnabled() != mButton->isEnabled()) {
	mButton->setEnabled(mAction->isEnabled());
	}
	}

	namespace
	{
	class UserIDTable : public QTreeWidget
	{
	Q_OBJECT
	public:
	using QTreeWidget::QTreeWidget;

	protected:
	QModelIndex moveCursor(QAbstractItemView::CursorAction cursorAction, Qt::KeyboardModifiers modifiers) override
	{
	// make keyboard navigation with Left/Right possible by switching the selection behavior to SelectItems
	// before calling QTreeWidget::moveCursor, because QTreeWidget::moveCursor ignores MoveLeft/MoveRight
	// if the selection behavior is SelectRows
	if ((cursorAction == MoveLeft) \|\| (cursorAction == MoveRight)) {
	setSelectionBehavior(SelectItems);
	}
	const auto result = QTreeWidget::moveCursor(cursorAction, modifiers);
	if ((cursorAction == MoveLeft) \|\| (cursorAction == MoveRight)) {
	setSelectionBehavior(SelectRows);
	}
	return result;
	}
	};
	}

	class CertificateDetailsWidget::Private
	{
	public:
	Private(CertificateDetailsWidget *qq);

	void setupCommonProperties();
	void setUpUserIDTable();
	void setUpSMIMEAdressList();
	void setupPGPProperties();
	void setupSMIMEProperties();

	void revokeUserID(const GpgME::UserID &uid);
	void genRevokeCert();
	void refreshCertificate();
	void certifyClicked();
	void webOfTrustClicked();
	void exportClicked();
	void addUserID();
	void changePassphrase();
	void changeExpiration();
	void keysMayHaveChanged();
	void showTrustChainDialog();
	void showMoreDetails();
	void userIDTableContextMenuRequested(const QPoint &p);

	QString tofuTooltipString(const GpgME::UserID &uid) const;
	QIcon trustLevelIcon(const GpgME::UserID &uid) const;
	QString trustLevelText(const GpgME::UserID &uid) const;

	void showIssuerCertificate();

	void updateKey();
	void setUpdatedKey(const GpgME::Key &key);
	void keyListDone(const GpgME::KeyListResult &,
	const std::vector<GpgME::Key> &, const QString &,
	const GpgME::Error &);
	void copyFingerprintToClipboard();

	private:
	CertificateDetailsWidget *const q;

	public:
	GpgME::Key key;
	bool updateInProgress = false;

	private:
	InfoField *attributeField(const QString &attributeName)
	{
	if (ui.smimeAttributeFields.contains(attributeName)) {
	return ui.smimeAttributeFields.at(attributeName).get();
	}
	return nullptr;
	}

	private:
	struct UI {
	- std::map<QString, std::unique_ptr<InfoField>> smimeAttributeFields;
	- std::unique_ptr<InfoField> smimeTrustLevelField;
	- QLabel *smimeRelatedAddresses = nullptr;
	QLabel *userIDTableLabel = nullptr;
	UserIDTable *userIDTable = nullptr;
	- QListWidget *smimeAddressList = nullptr;
	+
	+ std::map<QString, std::unique_ptr<InfoField>> smimeAttributeFields;
	+ std::unique_ptr<InfoField> smimeTrustLevelField;
	std::unique_ptr<InfoField> validFromField;
	std::unique_ptr<InfoField> expiresField;
	QAction *changeExpirationAction = nullptr;
	std::unique_ptr<InfoField> fingerprintField;
	QAction *copyFingerprintAction = nullptr;
	std::unique_ptr<InfoField> smimeIssuerField;
	QAction *showIssuerCertificateAction = nullptr;
	std::unique_ptr<InfoField> complianceField;
	std::unique_ptr<InfoField> trustedIntroducerField;
	+
	+ QLabel *smimeRelatedAddresses = nullptr;
	+ QListWidget *smimeAddressList = nullptr;
	+
	QPushButton *addUserIDBtn = nullptr;
	QPushButton *changePassphraseBtn = nullptr;
	QPushButton *trustChainDetailsBtn = nullptr;
	QPushButton *genRevokeBtn = nullptr;
	QPushButton *refreshBtn = nullptr;
	QPushButton *certifyBtn = nullptr;
	QPushButton *moreDetailsBtn = nullptr;
	QPushButton *exportBtn = nullptr;
	QPushButton *webOfTrustBtn = nullptr;

	void setupUi(QWidget *parent)
	{
	auto mainLayout = new QVBoxLayout{parent};

	userIDTableLabel = new QLabel(i18n("User IDs:"), parent);

	mainLayout->addWidget(userIDTableLabel);

	userIDTable = new UserIDTable{parent};
	userIDTableLabel->setBuddy(userIDTable);
	userIDTable->setAccessibleName(i18n("User IDs"));
	QTreeWidgetItem *__qtreewidgetitem = new QTreeWidgetItem();
	__qtreewidgetitem->setText(0, QString::fromUtf8("1"));
	userIDTable->setHeaderItem(__qtreewidgetitem);
	userIDTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
	userIDTable->setSelectionMode(QAbstractItemView::SingleSelection);
	userIDTable->setRootIsDecorated(false);
	userIDTable->setUniformRowHeights(true);
	userIDTable->setAllColumnsShowFocus(false);

	mainLayout->addWidget(userIDTable);

	- {
	- auto smimeGrid = new QGridLayout;
	- smimeGrid->setColumnStretch(1, 1);
	-
	- int row = 0;
	- for (const auto &attribute : DN::attributeOrder()) {
	- const auto attributeLabel = DN::attributeNameToLabel(attribute);
	- if (attributeLabel.isEmpty()) {
	- continue;
	- }
	- const auto labelWithColon = i18nc("interpunctation for labels", "%1:", attributeLabel);
	- const auto & [it, inserted] = smimeAttributeFields.try_emplace(attribute, std::make_unique<InfoField>(labelWithColon, parent));
	- if (inserted) {
	- const auto &field = it->second;
	- smimeGrid->addWidget(field->label(), row, 0, 1, 1);
	- smimeGrid->addLayout(field->layout(), row, 1, 1, 1);
	- row++;
	- }
	- }
	-
	- smimeTrustLevelField = std::make_unique<InfoField>(i18n("Trust level:"), parent);
	- smimeGrid->addWidget(smimeTrustLevelField->label(), row, 0, 1, 1);
	- smimeGrid->addLayout(smimeTrustLevelField->layout(), row, 1, 1, 1);
	-
	- mainLayout->addLayout(smimeGrid);
	- }
	-
	- smimeRelatedAddresses = new QLabel(i18n("Related addresses:"), parent);
	- mainLayout->addWidget(smimeRelatedAddresses);
	-
	- smimeAddressList = new QListWidget{parent};
	- smimeRelatedAddresses->setBuddy(smimeAddressList);
	- smimeAddressList->setAccessibleName(i18n("Related addresses"));
	- smimeAddressList->setEditTriggers(QAbstractItemView::NoEditTriggers);
	- smimeAddressList->setSelectionMode(QAbstractItemView::SingleSelection);
	-
	- mainLayout->addWidget(smimeAddressList);
	-
	{
	auto hboxLayout_1 = new QHBoxLayout;

	addUserIDBtn = new QPushButton(i18nc("@action:button", "Add User ID"), parent);
	hboxLayout_1->addWidget(addUserIDBtn);

	certifyBtn = new QPushButton(i18nc("@action:button", "Certify User ID"), parent);
	hboxLayout_1->addWidget(certifyBtn);

	webOfTrustBtn = new QPushButton(i18nc("@action:button", "Show Certifications"), parent);
	hboxLayout_1->addWidget(webOfTrustBtn);

	hboxLayout_1->addStretch(1);

	mainLayout->addLayout(hboxLayout_1);
	}

	mainLayout->addWidget(new KSeparator{Qt::Horizontal, parent});

	{
	auto gridLayout = new QGridLayout;
	gridLayout->setColumnStretch(1, 1);

	- int boxRow = 0;
	+ int boxRow = -1;
	+ for (const auto &attribute : DN::attributeOrder()) {
	+ const auto attributeLabel = DN::attributeNameToLabel(attribute);
	+ if (attributeLabel.isEmpty()) {
	+ continue;
	+ }
	+ const auto labelWithColon = i18nc("interpunctation for labels", "%1:", attributeLabel);
	+ const auto & [it, inserted] = smimeAttributeFields.try_emplace(attribute, std::make_unique<InfoField>(labelWithColon, parent));
	+ if (inserted) {
	+ boxRow++;
	+ const auto &field = it->second;
	+ gridLayout->addWidget(field->label(), boxRow, 0, 1, 1);
	+ gridLayout->addLayout(field->layout(), boxRow, 1, 1, 1);
	+ }
	+ }
	+
	+ boxRow++;
	+ smimeTrustLevelField = std::make_unique<InfoField>(i18n("Trust level:"), parent);
	+ gridLayout->addWidget(smimeTrustLevelField->label(), boxRow, 0, 1, 1);
	+ gridLayout->addLayout(smimeTrustLevelField->layout(), boxRow, 1, 1, 1);
	+
	+ boxRow++;
	validFromField = std::make_unique<InfoField>(i18n("Valid from:"), parent);
	gridLayout->addWidget(validFromField->label(), boxRow, 0, 1, 1);
	gridLayout->addLayout(validFromField->layout(), boxRow, 1, 1, 1);

	boxRow++;
	expiresField = std::make_unique<InfoField>(i18n("Expires:"), parent);
	changeExpirationAction = new QAction{parent};
	changeExpirationAction->setIcon(QIcon::fromTheme(QStringLiteral("editor")));
	changeExpirationAction->setToolTip(i18nc("@info:tooltip", "Change the expiration date"));
	changeExpirationAction->setProperty(accessibleNameProperty, i18nc("@action:button", "Change expiration"));
	expiresField->setAction(changeExpirationAction);
	gridLayout->addWidget(expiresField->label(), boxRow, 0, 1, 1);
	gridLayout->addLayout(expiresField->layout(), boxRow, 1, 1, 1);

	boxRow++;
	fingerprintField = std::make_unique<InfoField>(i18n("Fingerprint:"), parent);
	if (QGuiApplication::clipboard()) {
	copyFingerprintAction = new QAction{parent};
	copyFingerprintAction->setIcon(QIcon::fromTheme(QStringLiteral("edit-copy")));
	copyFingerprintAction->setToolTip(i18nc("@info:tooltip", "Copy the fingerprint to the clipboard"));
	copyFingerprintAction->setProperty(accessibleNameProperty, i18nc("@action:button", "Copy fingerprint"));
	fingerprintField->setAction(copyFingerprintAction);
	}
	gridLayout->addWidget(fingerprintField->label(), boxRow, 0, 1, 1);
	gridLayout->addLayout(fingerprintField->layout(), boxRow, 1, 1, 1);

	boxRow++;
	smimeIssuerField = std::make_unique<InfoField>(i18n("Issuer:"), parent);
	showIssuerCertificateAction = new QAction{parent};
	showIssuerCertificateAction->setIcon(QIcon::fromTheme(QStringLiteral("dialog-information")));
	showIssuerCertificateAction->setToolTip(i18nc("@info:tooltip", "Show the issuer certificate"));
	showIssuerCertificateAction->setProperty(accessibleNameProperty, i18nc("@action:button", "Show certificate"));
	smimeIssuerField->setAction(showIssuerCertificateAction);
	gridLayout->addWidget(smimeIssuerField->label(), boxRow, 0, 1, 1);
	gridLayout->addLayout(smimeIssuerField->layout(), boxRow, 1, 1, 1);

	boxRow++;
	complianceField = std::make_unique<InfoField>(i18n("Compliance:"), parent);
	gridLayout->addWidget(complianceField->label(), boxRow, 0, 1, 1);
	gridLayout->addLayout(complianceField->layout(), boxRow, 1, 1, 1);

	boxRow++;
	trustedIntroducerField = std::make_unique<InfoField>(i18n("Trusted introducer for:"), parent);
	gridLayout->addWidget(trustedIntroducerField->label(), boxRow, 0, 1, 1);
	trustedIntroducerField->setToolTip(i18n("See certifications for details."));
	gridLayout->addLayout(trustedIntroducerField->layout(), boxRow, 1, 1, 1);

	- boxRow++;
	+ mainLayout->addLayout(gridLayout);
	+ }
	+
	+ smimeRelatedAddresses = new QLabel(i18n("Related addresses:"), parent);
	+ mainLayout->addWidget(smimeRelatedAddresses);
	+
	+ smimeAddressList = new QListWidget{parent};
	+ smimeRelatedAddresses->setBuddy(smimeAddressList);
	+ smimeAddressList->setAccessibleName(i18n("Related addresses"));
	+ smimeAddressList->setEditTriggers(QAbstractItemView::NoEditTriggers);
	+ smimeAddressList->setSelectionMode(QAbstractItemView::SingleSelection);
	+
	+ mainLayout->addWidget(smimeAddressList);
	+
	+ {
	auto horizontalLayout = new QHBoxLayout;

	moreDetailsBtn = new QPushButton(i18nc("@action:button", "More Details..."), parent);
	horizontalLayout->addWidget(moreDetailsBtn);

	trustChainDetailsBtn = new QPushButton(i18nc("@action:button", "Trust Chain Details"), parent);
	horizontalLayout->addWidget(trustChainDetailsBtn);

	refreshBtn = new QPushButton{i18nc("@action:button", "Update"), parent};
	#ifndef QGPGME_SUPPORTS_KEY_REFRESH
	refreshBtn->setVisible(false);
	#endif
	horizontalLayout->addWidget(refreshBtn);

	exportBtn = new QPushButton(i18nc("@action:button", "Export"), parent);
	horizontalLayout->addWidget(exportBtn);

	changePassphraseBtn = new QPushButton(i18nc("@action:button", "Change Passphrase"), parent);
	horizontalLayout->addWidget(changePassphraseBtn);

	genRevokeBtn = new QPushButton(i18nc("@action:button", "Generate Revocation Certificate"), parent);
	genRevokeBtn->setToolTip(u"<html>" %
	i18n("A revocation certificate is a file that serves as a \"kill switch\" to publicly "
	"declare that a key shall not anymore be used. It is not possible "
	"to retract such a revocation certificate once it has been published.") %
	u"</html>");
	horizontalLayout->addWidget(genRevokeBtn);

	horizontalLayout->addStretch(1);

	- gridLayout->addLayout(horizontalLayout, boxRow, 0, 1, 2);
	-
	- mainLayout->addLayout(gridLayout);
	+ mainLayout->addLayout(horizontalLayout);
	}
	}
	} ui;
	};

	CertificateDetailsWidget::Private::Private(CertificateDetailsWidget *qq)
	: q{qq}
	{
	ui.setupUi(q);

	ui.userIDTable->setContextMenuPolicy(Qt::CustomContextMenu);
	connect(ui.userIDTable, &QAbstractItemView::customContextMenuRequested,
	q, [this](const QPoint &p) { userIDTableContextMenuRequested(p); });
	connect(ui.addUserIDBtn, &QPushButton::clicked,
	q, [this]() { addUserID(); });
	connect(ui.changePassphraseBtn, &QPushButton::clicked,
	q, [this]() { changePassphrase(); });
	connect(ui.genRevokeBtn, &QPushButton::clicked,
	q, [this]() { genRevokeCert(); });
	connect(ui.changeExpirationAction, &QAction::triggered,
	q, [this]() { changeExpiration(); });
	connect(ui.showIssuerCertificateAction, &QAction::triggered,
	q, [this]() { showIssuerCertificate(); });
	connect(ui.trustChainDetailsBtn, &QPushButton::pressed,
	q, [this]() { showTrustChainDialog(); });
	connect(ui.moreDetailsBtn, &QPushButton::pressed,
	q, [this]() { showMoreDetails(); });
	connect(ui.refreshBtn, &QPushButton::clicked,
	q, [this]() { refreshCertificate(); });
	connect(ui.certifyBtn, &QPushButton::clicked,
	q, [this]() { certifyClicked(); });
	connect(ui.webOfTrustBtn, &QPushButton::clicked,
	q, [this]() { webOfTrustClicked(); });
	connect(ui.exportBtn, &QPushButton::clicked,
	q, [this]() { exportClicked(); });
	if (ui.copyFingerprintAction) {
	connect(ui.copyFingerprintAction, &QAction::triggered,
	q, [this]() { copyFingerprintToClipboard(); });
	}

	connect(Kleo::KeyCache::instance().get(), &Kleo::KeyCache::keysMayHaveChanged,
	q, [this]() { keysMayHaveChanged(); });
	}

	void CertificateDetailsWidget::Private::setupCommonProperties()
	{
	const bool hasSecret = key.hasSecret();
	const bool isOpenPGP = key.protocol() == GpgME::OpenPGP;

	ui.userIDTableLabel->setVisible(isOpenPGP);
	ui.userIDTable->setVisible(isOpenPGP);

	ui.changePassphraseBtn->setVisible(hasSecret);
	ui.genRevokeBtn->setVisible(isOpenPGP && hasSecret);
	ui.certifyBtn->setVisible(isOpenPGP && !hasSecret);
	if (isOpenPGP && hasSecret) {
	ui.expiresField->setAction(ui.changeExpirationAction);
	} else {
	ui.expiresField->setAction(nullptr);
	}
	ui.addUserIDBtn->setVisible(hasSecret && isOpenPGP);
	ui.webOfTrustBtn->setVisible(isOpenPGP);

	ui.validFromField->setValue(Formatting::creationDateString(key), Formatting::accessibleCreationDate(key));
	ui.expiresField->setValue(Formatting::expirationDateString(key, i18nc("Expires", "never")),
	Formatting::accessibleExpirationDate(key, i18nc("Expires", "never")));
	ui.fingerprintField->setValue(Formatting::prettyID(key.primaryFingerprint()),
	Formatting::accessibleHexID(key.primaryFingerprint()));

	ui.complianceField->setVisible(Kleo::gnupgIsDeVsCompliant());
	if (Kleo::gnupgIsDeVsCompliant()) {
	ui.complianceField->setValue(Kleo::Formatting::complianceStringForKey(key));
	}
	}

	void CertificateDetailsWidget::Private::setUpUserIDTable()
	{
	ui.userIDTable->clear();

	QStringList headers = { i18n("Email"), i18n("Name"), i18n("Trust Level"), i18n("Tags") };
	ui.userIDTable->setColumnCount(headers.count());
	ui.userIDTable->setColumnWidth(0, 200);
	ui.userIDTable->setColumnWidth(1, 200);
	ui.userIDTable->setHeaderLabels(headers);

	const auto uids = key.userIDs();
	for (unsigned int i = 0; i < uids.size(); ++i) {
	const auto &uid = uids[i];
	auto item = new QTreeWidgetItem;
	const QString toolTip = tofuTooltipString(uid);
	item->setData(0, Qt::UserRole, QVariant::fromValue(uid));

	auto pMail = Kleo::Formatting::prettyEMail(uid);
	auto pName = Kleo::Formatting::prettyName(uid);

	item->setData(0, Qt::DisplayRole, pMail);
	item->setData(0, Qt::ToolTipRole, toolTip);
	item->setData(0, Qt::AccessibleTextRole, pMail.isEmpty() ? i18nc("text for screen readers for an empty email address", "no email") : pMail);
	item->setData(1, Qt::DisplayRole, pName);
	item->setData(1, Qt::ToolTipRole, toolTip);

	item->setData(2, Qt::DecorationRole, trustLevelIcon(uid));
	item->setData(2, Qt::DisplayRole, trustLevelText(uid));
	item->setData(2, Qt::ToolTipRole, toolTip);

	GpgME::Error err;
	QStringList tagList;
	for (const auto &tag: uid.remarks(Tags::tagKeys(), err)) {
	if (err) {
	qCWarning(KLEOPATRA_LOG) << "Getting remarks for user ID" << uid.id() << "failed:" << err;
	}
	tagList << QString::fromStdString(tag);
	}
	qCDebug(KLEOPATRA_LOG) << "tagList:" << tagList;
	const auto tags = tagList.join(QStringLiteral("; "));
	item->setData(3, Qt::DisplayRole, tags);
	item->setData(3, Qt::ToolTipRole, toolTip);

	ui.userIDTable->addTopLevelItem(item);
	}
	if (!Tags::tagsEnabled()) {
	ui.userIDTable->hideColumn(3);
	}
	}

	void CertificateDetailsWidget::Private::setUpSMIMEAdressList()
	{
	ui.smimeAddressList->clear();

	const auto *const emailField = attributeField(QStringLiteral("EMAIL"));

	// add email address from primary user ID if not listed already as attribute field
	if (!emailField) {
	const auto ownerId = key.userID(0);
	const Kleo::DN dn(ownerId.id());
	const QString dnEmail = dn[QStringLiteral("EMAIL")];
	if (!dnEmail.isEmpty()) {
	ui.smimeAddressList->addItem(dnEmail);
	}
	}

	if (key.numUserIDs() < 2) {
	return;
	}

	// iterate over the secondary user IDs
	#ifdef USE_RANGES
	for (const auto uids = key.userIDs(); const auto &uid : std::ranges::subrange(std::next(uids.begin()), uids.end())) {
	#else
	const auto uids = key.userIDs();
	for (auto it = std::next(uids.begin()); it != uids.end(); ++it) {
	const auto &uid = *it;
	#endif
	const auto name = Kleo::Formatting::prettyName(uid);
	const auto email = Kleo::Formatting::prettyEMail(uid);
	if (name.isEmpty() && !email.isEmpty()) {
	// skip email addresses already listed in email attribute field
	if (!emailField \|\| email != emailField->value()) {
	ui.smimeAddressList->addItem(email);
	}
	} else {
	// S/MIME certificates sometimes contain urls where both
	// name and mail is empty. In that case we print whatever
	// the uid is as name.
	//
	// Can be ugly like (3:uri24:http://ca.intevation.org), but
	// this is better then showing an empty entry.
	ui.smimeAddressList->addItem(QString::fromUtf8(uid.id()));
	}
	}
	}

	void CertificateDetailsWidget::Private::revokeUserID(const GpgME::UserID &userId)
	{
	const QString message = xi18nc(
	"@info",
	"<para>Do you really want to revoke the user ID<nl/><emphasis>%1</emphasis> ?</para>",
	QString::fromUtf8(userId.id()));
	auto confirmButton = KStandardGuiItem::yes();
	confirmButton.setText(i18nc("@action:button", "Revoke User ID"));
	confirmButton.setToolTip({});
	const auto choice = KMessageBox::questionYesNo(
	q->window(), message, i18nc("@title:window", "Confirm Revocation"),
	confirmButton, KStandardGuiItem::cancel(), {}, KMessageBox::Notify \| KMessageBox::WindowModal);
	if (choice != KMessageBox::Yes) {
	return;
	}

	auto cmd = new Commands::RevokeUserIDCommand(userId);
	cmd->setParentWidget(q);
	ui.userIDTable->setEnabled(false);
	connect(cmd, &Command::finished,
	q, [this]() {
	ui.userIDTable->setEnabled(true);
	updateKey();
	});
	cmd->start();
	}

	void CertificateDetailsWidget::Private::changeExpiration()
	{
	auto cmd = new Kleo::Commands::ChangeExpiryCommand(key);
	QObject::connect(cmd, &Kleo::Commands::ChangeExpiryCommand::finished,
	q, [this]() {
	ui.changeExpirationAction->setEnabled(true);
	});
	ui.changeExpirationAction->setEnabled(false);
	cmd->start();
	}

	void CertificateDetailsWidget::Private::changePassphrase()
	{
	auto cmd = new Kleo::Commands::ChangePassphraseCommand(key);
	QObject::connect(cmd, &Kleo::Commands::ChangePassphraseCommand::finished,
	q, [this]() {
	ui.changePassphraseBtn->setEnabled(true);
	});
	ui.changePassphraseBtn->setEnabled(false);
	cmd->start();
	}

	void CertificateDetailsWidget::Private::genRevokeCert()
	{
	auto cmd = new Kleo::Commands::GenRevokeCommand(key);
	QObject::connect(cmd, &Kleo::Commands::GenRevokeCommand::finished,
	q, [this]() {
	ui.genRevokeBtn->setEnabled(true);
	});
	ui.genRevokeBtn->setEnabled(false);
	cmd->start();
	}

	void CertificateDetailsWidget::Private::refreshCertificate()
	{
	auto cmd = new Kleo::RefreshCertificateCommand{key};
	QObject::connect(cmd, &Kleo::RefreshCertificateCommand::finished,
	q, [this]() {
	ui.refreshBtn->setEnabled(true);
	});
	ui.refreshBtn->setEnabled(false);
	cmd->start();
	}

	void CertificateDetailsWidget::Private::certifyClicked()
	{
	auto cmd = new Kleo::Commands::CertifyCertificateCommand(key);
	QObject::connect(cmd, &Kleo::Commands::CertifyCertificateCommand::finished,
	q, [this]() {
	ui.certifyBtn->setEnabled(true);
	});
	ui.certifyBtn->setEnabled(false);
	cmd->start();
	}

	void CertificateDetailsWidget::Private::webOfTrustClicked()
	{
	QScopedPointer<WebOfTrustDialog> dlg(new WebOfTrustDialog(q));
	dlg->setKey(key);
	dlg->exec();
	}

	void CertificateDetailsWidget::Private::exportClicked()
	{
	QScopedPointer<ExportDialog> dlg(new ExportDialog(q));
	dlg->setKey(key);
	dlg->exec();
	}

	void CertificateDetailsWidget::Private::addUserID()
	{
	auto cmd = new Kleo::Commands::AddUserIDCommand(key);
	QObject::connect(cmd, &Kleo::Commands::AddUserIDCommand::finished,
	q, [this]() {
	ui.addUserIDBtn->setEnabled(true);
	updateKey();
	});
	ui.addUserIDBtn->setEnabled(false);
	cmd->start();
	}

	namespace
	{
	void ensureThatKeyDetailsAreLoaded(GpgME::Key &key)
	{
	if (key.userID(0).numSignatures() == 0) {
	key.update();
	}
	}
	}

	void CertificateDetailsWidget::Private::keysMayHaveChanged()
	{
	auto newKey = Kleo::KeyCache::instance()->findByFingerprint(key.primaryFingerprint());
	if (!newKey.isNull()) {
	ensureThatKeyDetailsAreLoaded(newKey);
	setUpdatedKey(newKey);
	}
	}

	void CertificateDetailsWidget::Private::showTrustChainDialog()
	{
	QScopedPointer<TrustChainDialog> dlg(new TrustChainDialog(q));
	dlg->setKey(key);
	dlg->exec();
	}

	namespace
	{
	bool isLastValidUserID(const GpgME::UserID &userId)
	{
	if (isRevokedOrExpired(userId)) {
	return false;
	}
	const auto userIds = userId.parent().userIDs();
	const int numberOfValidUserIds = std::count_if(std::begin(userIds), std::end(userIds),
	[](const auto &u) {
	return !isRevokedOrExpired(u);
	});
	return numberOfValidUserIds == 1;
	}

	bool canRevokeUserID(const GpgME::UserID &userId)
	{
	const auto key = userId.parent();
	return (!userId.isNull() //
	&& key.protocol() == GpgME::OpenPGP
	&& canCreateCertifications(key)
	&& !isLastValidUserID(userId));
	}
	}

	void CertificateDetailsWidget::Private::userIDTableContextMenuRequested(const QPoint &p)
	{
	auto item = ui.userIDTable->itemAt(p);
	if (!item) {
	return;
	}

	const auto userID = item->data(0, Qt::UserRole).value<GpgME::UserID>();

	auto menu = new QMenu(q);
	menu->addAction(QIcon::fromTheme(QStringLiteral("view-certificate-sign")),
	i18n("Certify..."),
	q, [this, userID]() {
	auto cmd = new Kleo::Commands::CertifyCertificateCommand(userID);
	ui.userIDTable->setEnabled(false);
	connect(cmd, &Kleo::Commands::CertifyCertificateCommand::finished,
	q, [this]() {
	ui.userIDTable->setEnabled(true);
	updateKey();
	});
	cmd->start();
	});
	{
	auto action = menu->addAction(QIcon::fromTheme(QStringLiteral("view-certificate-revoke")),
	i18nc("@action:inmenu", "Revoke User ID"),
	q, [this, userID]() {
	revokeUserID(userID);
	});
	action->setEnabled(canRevokeUserID(userID));
	}
	if (Kleo::Commands::RevokeCertificationCommand::isSupported()) {
	menu->addAction(QIcon::fromTheme(QStringLiteral("view-certificate-revoke")),
	i18n("Revoke Certification..."),
	q, [this, userID]() {
	auto cmd = new Kleo::Commands::RevokeCertificationCommand(userID);
	ui.userIDTable->setEnabled(false);
	connect(cmd, &Kleo::Commands::RevokeCertificationCommand::finished,
	q, [this]() {
	ui.userIDTable->setEnabled(true);
	updateKey();
	});
	cmd->start();
	});
	}
	#ifdef MAILAKONADI_ENABLED
	if (key.hasSecret() && key.protocol() == GpgME::OpenPGP) {
	menu->addAction(QIcon::fromTheme(QStringLiteral("view-certificate-export")),
	i18nc("@action:inmenu", "Publish at Mail Provider ..."),
	q, [this, userID]() {
	auto cmd = new Kleo::Commands::ExportOpenPGPCertToProviderCommand(userID);
	ui.userIDTable->setEnabled(false);
	connect(cmd, &Kleo::Commands::ExportOpenPGPCertToProviderCommand::finished,
	q, [this]() { ui.userIDTable->setEnabled(true); });
	cmd->start();
	});
	}
	#endif // MAILAKONADI_ENABLED
	connect(menu, &QMenu::aboutToHide, menu, &QObject::deleteLater);
	menu->popup(ui.userIDTable->viewport()->mapToGlobal(p));
	}

	void CertificateDetailsWidget::Private::showMoreDetails()
	{
	ui.moreDetailsBtn->setEnabled(false);
	if (key.protocol() == GpgME::CMS) {
	auto cmd = new Kleo::Commands::DumpCertificateCommand(key);
	connect(cmd, &Kleo::Commands::DumpCertificateCommand::finished,
	q, [this]() {
	ui.moreDetailsBtn->setEnabled(true);
	});
	cmd->setUseDialog(true);
	cmd->start();
	} else {
	QScopedPointer<SubKeysDialog> dlg(new SubKeysDialog(q));
	dlg->setKey(key);
	dlg->exec();
	ui.moreDetailsBtn->setEnabled(true);
	}
	}

	QString CertificateDetailsWidget::Private::tofuTooltipString(const GpgME::UserID &uid) const
	{
	const auto tofu = uid.tofuInfo();
	if (tofu.isNull()) {
	return QString();
	}

	QString html = QStringLiteral("<table border=\"0\" cell-padding=\"5\">");
	const auto appendRow = [&html](const QString &lbl, const QString &val) {
	html += QStringLiteral("<tr>"
	"<th style=\"text-align: right; padding-right: 5px; white-space: nowrap;\">%1:</th>"
	"<td style=\"white-space: nowrap;\">%2</td>"
	"</tr>")
	.arg(lbl, val);
	};
	const auto appendHeader = [this, &html](const QString &hdr) {
	html += QStringLiteral("<tr><th colspan=\"2\" style=\"background-color: %1; color: %2\">%3</th></tr>")
	.arg(q->palette().highlight().color().name(),
	q->palette().highlightedText().color().name(),
	hdr);
	};
	const auto dateTime = [](long ts) {
	QLocale l;
	return ts == 0 ? i18n("never") : l.toString(QDateTime::fromSecsSinceEpoch(ts), QLocale::ShortFormat);
	};
	appendHeader(i18n("Signing"));
	appendRow(i18n("First message"), dateTime(tofu.signFirst()));
	appendRow(i18n("Last message"), dateTime(tofu.signLast()));
	appendRow(i18n("Message count"), QString::number(tofu.signCount()));
	appendHeader(i18n("Encryption"));
	appendRow(i18n("First message"), dateTime(tofu.encrFirst()));
	appendRow(i18n("Last message"), dateTime(tofu.encrLast()));
	appendRow(i18n("Message count"), QString::number(tofu.encrCount()));

	html += QStringLiteral("</table>");
	// Make sure the tooltip string is different for each UserID, even if the
	// data are the same, otherwise the tooltip is not updated and moved when
	// user moves mouse from one row to another.
	html += QStringLiteral("<!-- %1 //-->").arg(QString::fromUtf8(uid.id()));
	return html;
	}

	QIcon CertificateDetailsWidget::Private::trustLevelIcon(const GpgME::UserID &uid) const
	{
	if (updateInProgress) {
	return QIcon::fromTheme(QStringLiteral("emblem-question"));
	}
	switch (uid.validity()) {
	case GpgME::UserID::Unknown:
	case GpgME::UserID::Undefined:
	return QIcon::fromTheme(QStringLiteral("emblem-question"));
	case GpgME::UserID::Never:
	return QIcon::fromTheme(QStringLiteral("emblem-error"));
	case GpgME::UserID::Marginal:
	return QIcon::fromTheme(QStringLiteral("emblem-warning"));
	case GpgME::UserID::Full:
	case GpgME::UserID::Ultimate:
	return QIcon::fromTheme(QStringLiteral("emblem-success"));
	}
	return {};
	}

	QString CertificateDetailsWidget::Private::trustLevelText(const GpgME::UserID &uid) const
	{
	return updateInProgress ? i18n("Updating...") : Formatting::validityShort(uid);
	}

	namespace
	{
	auto isGood(const GpgME::UserID::Signature &signature)
	{
	return signature.status() == GpgME::UserID::Signature::NoError &&
	!signature.isInvalid() &&
	0x10 <= signature.certClass() && signature.certClass() <= 0x13;
	}

	auto accumulateTrustDomains(const std::vector<GpgME::UserID::Signature> &signatures)
	{
	return std::accumulate(
	std::begin(signatures), std::end(signatures),
	std::set<QString>(),
	[] (auto domains, const auto &signature) {
	if (isGood(signature) && signature.isTrustSignature()) {
	domains.insert(Formatting::trustSignatureDomain(signature));
	}
	return domains;
	}
	);
	}

	auto accumulateTrustDomains(const std::vector<GpgME::UserID> &userIds)
	{
	return std::accumulate(
	std::begin(userIds), std::end(userIds),
	std::set<QString>(),
	[] (auto domains, const auto &userID) {
	const auto newDomains = accumulateTrustDomains(userID.signatures());
	std::copy(std::begin(newDomains), std::end(newDomains), std::inserter(domains, std::end(domains)));
	return domains;
	}
	);
	}
	}

	void CertificateDetailsWidget::Private::setupPGPProperties()
	{
	for (const auto &[_, field] : ui.smimeAttributeFields) {
	field->setVisible(false);
	}
	ui.smimeIssuerField->setVisible(false);
	ui.smimeTrustLevelField->setVisible(false);
	ui.smimeRelatedAddresses->setVisible(false);
	ui.smimeAddressList->setVisible(false);
	ui.trustChainDetailsBtn->setVisible(false);

	setUpUserIDTable();

	const auto trustDomains = accumulateTrustDomains(key.userIDs());
	ui.trustedIntroducerField->setVisible(!trustDomains.empty());
	ui.trustedIntroducerField->setValue(QStringList(std::begin(trustDomains), std::end(trustDomains)).join(u", "));

	ui.refreshBtn->setToolTip(i18nc("@info:tooltip", "Update the key from external sources."));
	}

	static QString formatDNToolTip(const Kleo::DN &dn)
	{
	QString html = QStringLiteral("<table border=\"0\" cell-spacing=15>");

	const auto appendRow = [&html, dn](const QString &lbl, const QString &attr) {
	const QString val = dn[attr];
	if (!val.isEmpty()) {
	html += QStringLiteral(
	"<tr><th style=\"text-align: left; white-space: nowrap\">%1:</th>"
	"<td style=\"white-space: nowrap\">%2</td>"
	"</tr>").arg(lbl, val);
	}
	};
	appendRow(i18n("Common Name"), QStringLiteral("CN"));
	appendRow(i18n("Organization"), QStringLiteral("O"));
	appendRow(i18n("Street"), QStringLiteral("STREET"));
	appendRow(i18n("City"), QStringLiteral("L"));
	appendRow(i18n("State"), QStringLiteral("ST"));
	appendRow(i18n("Country"), QStringLiteral("C"));
	html += QStringLiteral("</table>");

	return html;
	}

	void CertificateDetailsWidget::Private::setupSMIMEProperties()
	{
	ui.trustedIntroducerField->setVisible(false);

	const auto ownerId = key.userID(0);
	const Kleo::DN dn(ownerId.id());

	for (const auto &[attributeName, field] : ui.smimeAttributeFields) {
	const QString attributeValue = dn[attributeName];
	field->setValue(attributeValue);
	field->setVisible(!attributeValue.isEmpty());
	}
	ui.smimeTrustLevelField->setIcon(trustLevelIcon(ownerId));
	ui.smimeTrustLevelField->setValue(trustLevelText(ownerId));

	const Kleo::DN issuerDN(key.issuerName());
	const QString issuerCN = issuerDN[QStringLiteral("CN")];
	const QString issuer = issuerCN.isEmpty() ? QString::fromUtf8(key.issuerName()) : issuerCN;
	ui.smimeIssuerField->setValue(issuer);
	ui.smimeIssuerField->setToolTip(formatDNToolTip(issuerDN));

	setUpSMIMEAdressList();

	ui.refreshBtn->setToolTip(i18nc("@info:tooltip", "Update the CRLs and do a full validation check of the certificate."));
	}

	void CertificateDetailsWidget::Private::showIssuerCertificate()
	{
	const auto parentKey = KeyCache::instance()->findIssuers(key, KeyCache::NoOption);

	if (!parentKey.size()) {
	return;
	}
	auto cmd = new Kleo::Commands::DetailsCommand(parentKey[0], nullptr);
	cmd->setParentWidget(q);
	cmd->start();
	}

	void CertificateDetailsWidget::Private::copyFingerprintToClipboard()
	{
	if (auto clipboard = QGuiApplication::clipboard()) {
	clipboard->setText(QString::fromLatin1(key.primaryFingerprint()));
	}
	}

	CertificateDetailsWidget::CertificateDetailsWidget(QWidget *parent)
	: QWidget{parent}
	, d{std::make_unique<Private>(this)}
	{
	}

	CertificateDetailsWidget::~CertificateDetailsWidget() = default;

	void CertificateDetailsWidget::Private::keyListDone(const GpgME::KeyListResult &,
	const std::vector<GpgME::Key> &keys,
	const QString &,
	const GpgME::Error &)
	{
	updateInProgress = false;
	if (keys.size() != 1) {
	qCWarning(KLEOPATRA_LOG) << "Invalid keylist result in update.";
	return;
	}
	// As we listen for keysmayhavechanged we get the update
	// after updating the keycache.
	KeyCache::mutableInstance()->insert(keys);
	}

	void CertificateDetailsWidget::Private::updateKey()
	{
	key.update();
	setUpdatedKey(key);
	}

	void CertificateDetailsWidget::Private::setUpdatedKey(const GpgME::Key &k)
	{
	key = k;

	setupCommonProperties();
	if (key.protocol() == GpgME::OpenPGP) {
	setupPGPProperties();
	} else {
	setupSMIMEProperties();
	}
	}

	void CertificateDetailsWidget::setKey(const GpgME::Key &key)
	{
	if (key.protocol() == GpgME::CMS) {
	// For everything but S/MIME this should be quick
	// and we don't need to show another status.
	d->updateInProgress = true;
	}
	d->setUpdatedKey(key);

	// Run a keylistjob with full details (TOFU / Validate)
	QGpgME::KeyListJob *job = key.protocol() == GpgME::OpenPGP ? QGpgME::openpgp()->keyListJob(false, true, true) :
	QGpgME::smime()->keyListJob(false, true, true);

	auto ctx = QGpgME::Job::context(job);
	ctx->addKeyListMode(GpgME::WithTofu);
	ctx->addKeyListMode(GpgME::SignatureNotations);
	if (key.hasSecret()) {
	ctx->addKeyListMode(GpgME::WithSecret);
	}

	// Windows QGpgME new style connect problem makes this necessary.
	connect(job, SIGNAL(result(GpgME::KeyListResult,std::vector<GpgME::Key>,QString,GpgME::Error)),
	this, SLOT(keyListDone(GpgME::KeyListResult,std::vector<GpgME::Key>,QString,GpgME::Error)));

	job->start(QStringList() << QLatin1String(key.primaryFingerprint()));
	}

	GpgME::Key CertificateDetailsWidget::key() const
	{
	return d->key;
	}

	#include "certificatedetailswidget.moc"
	#include "moc_certificatedetailswidget.cpp"

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