keyresolver.cpp
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	/* -- c++ --
	keyresolver.cpp

	This file is part of libkleopatra, the KDE keymanagement library
	Copyright (c) 2004 Klarälvdalens Datakonsult AB
	Copyright (c) 2018 Intevation GmbH

	Based on kpgp.cpp
	Copyright (C) 2001,2002 the KPGP authors
	See file libkdenetwork/AUTHORS.kpgp for details

	Libkleopatra 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 of the
	License, or (at your option) any later version.

	Libkleopatra 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, write to the Free Software
	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

	In addition, as a special exception, the copyright holders give
	permission to link the code of this program with any edition of
	the Qt library by Trolltech AS, Norway (or with modified versions
	of Qt that use the same license as Qt), and distribute linked
	combinations including the two. You must obey the GNU General
	Public License in all respects for all of the code used other than
	Qt. If you modify this file, you may extend this exception to
	your version of the file, but you are not obligated to do so. If
	you do not wish to do so, delete this exception statement from
	your version.
	*/

	#include <gpgme++/key.h>

	#include "libkleo_debug.h"
	#include "keyresolver.h"
	#include "models/keycache.h"
	#include "utils/formatting.h"

	#include "ui/newkeyapprovaldialog.h"

	#include <QStringList>

	using namespace Kleo;

	namespace {

	static inline bool ValidEncryptionKey(const GpgME::Key &key)
	{
	if (key.isNull() \|\| key.isRevoked() \|\| key.isExpired() \|\|
	key.isDisabled() \|\| !key.canEncrypt()) {
	return false;
	}
	return true;
	}

	static inline bool ValidSigningKey(const GpgME::Key &key)
	{
	if (key.isNull() \|\| key.isRevoked() \|\| key.isExpired() \|\|
	key.isDisabled() \|\| !key.canSign() \|\| !key.hasSecret()) {
	return false;
	}
	return true;
	}
	} // namespace

	class KeyResolver::Private
	{
	public:
	Private(KeyResolver* qq, bool enc, bool sig, CryptoMessageFormat fmt, bool allowMixed) :
	q(qq), mFormat(fmt), mEncrypt(enc), mSign(sig), mNag(true),
	mAllowMixed(allowMixed),
	mCache(KeyCache::instance()),
	mDialogWindowFlags(Qt::WindowFlags()),
	mMinimumValidity(GpgME::UserID::Marginal),
	mCompliance(Formatting::complianceMode())
	{
	}

	~Private()
	{
	}

	bool isAcceptableSigningKey(const GpgME::Key &key)
	{
	if (!ValidSigningKey(key)) {
	return false;
	}
	if (mCompliance == QStringLiteral("de-vs")) {
	if (!Formatting::isKeyDeVs(key)) {
	qCDebug(LIBKLEO_LOG) << "Rejected sig key" << key.primaryFingerprint()
	<< "because it is not de-vs compliant.";
	return false;
	}
	}
	return true;
	}

	bool isAcceptableEncryptionKey(const GpgME::Key &key, const QString &address = QString())
	{
	if (!ValidEncryptionKey(key)) {
	return false;
	}

	if (mCompliance == QStringLiteral("de-vs")) {
	if (!Formatting::isKeyDeVs(key)) {
	qCDebug(LIBKLEO_LOG) << "Rejected enc key" << key.primaryFingerprint()
	<< "because it is not de-vs compliant.";
	return false;
	}
	}

	if (address.isEmpty()) {
	return true;
	}
	for (const auto &uid: key.userIDs()) {
	if (uid.addrSpec() == address.toStdString()) {
	if (uid.validity() >= mMinimumValidity) {
	return true;
	}
	}
	}
	return false;
	}

	void addRecpients (const QStringList &addresses, bool hidden)
	{
	if (!mEncrypt) {
	return;
	}

	// Internally we work with normalized addresses. Normalization
	// matches the gnupg one.
	for (const auto &addr :addresses) {
	// PGP Uids are defined to be UTF-8 (RFC 4880 §5.11)
	const auto normalized = GpgME::UserID::addrSpecFromString (addr.toUtf8().constData());
	if (normalized.empty()) {
	// should not happen bug in the caller, non localized
	// error for bug reporting.
	mFatalErrors << QStringLiteral("The mail address for '%1' could not be extracted").arg(addr);
	continue;
	}
	const QString normStr = QString::fromUtf8(normalized.c_str());

	// Initially mark them as unresolved for both protocols
	if (!mUnresolvedCMS.contains(normStr)) {
	mUnresolvedCMS << normStr;
	}
	if (!mUnresolvedPGP.contains(normStr)) {
	mUnresolvedPGP << normStr;
	}

	// Add it to the according recipient lists
	if (hidden) {
	mHiddenRecipients << normStr;
	} else {
	mRecipients << normStr;
	}
	}
	}

	// Apply the overrides this is also where specific formats come in
	void resolveOverrides()
	{
	if (!mEncrypt) {
	// No encryption we are done.
	return;
	}
	for (CryptoMessageFormat fmt: mOverrides.keys()) {
	// Iterate over the crypto message formats
	if (mFormat != AutoFormat && mFormat != fmt) {
	// Skip overrides for the wrong format
	continue;
	}
	for (const auto &addr: mOverrides[fmt].keys()) {
	// For all address overrides of this format.
	for (const auto &fprOrId: mOverrides[fmt][addr]) {
	// For all the keys configured for this address.
	const auto key = mCache->findByKeyIDOrFingerprint(fprOrId.toUtf8().constData());
	if (key.isNull()) {
	qCDebug (LIBKLEO_LOG) << "Failed to find override key for:" << addr
	<< "fpr:" << fprOrId;
	continue;
	}

	// Now add it to the resolved keys and remove it from our list
	// of unsresolved keys.
	QMap<CryptoMessageFormat, QMap <QString, std::vector<GpgME::Key> > > *targetMap;
	if (mRecipients.contains(addr)) {
	targetMap = &mEncKeys;
	} else if (mHiddenRecipients.contains(addr)) {
	targetMap = &mBccKeys;
	} else {
	qCWarning(LIBKLEO_LOG) << "Override provided for an address that is "
	"neither sender nor recipient. Address: " << addr;
	continue;
	}

	auto recpMap = targetMap->value(fmt);
	auto keys = recpMap.value(addr);
	keys.push_back(key);
	recpMap.insert(addr, keys);
	targetMap->insert(fmt, recpMap);

	// Now we can remove it from our unresolved lists.
	if (key.protocol() == GpgME::OpenPGP) {
	mUnresolvedPGP.removeAll(addr);
	} else {
	mUnresolvedCMS.removeAll(addr);
	}
	}
	}
	}
	}

	void resolveSign(GpgME::Protocol proto)
	{
	auto fmt = proto == GpgME::OpenPGP ? AnyOpenPGP : AnySMIME;
	if (mSigKeys.contains(fmt)) {
	// Explicitly set
	return;
	}
	const auto keys = mCache->findBestByMailBox(mSender.toUtf8().constData(),
	proto, true, false);
	for (const auto &key: keys) {
	if (key.isNull()) {
	continue;
	}
	if (!isAcceptableSigningKey(key)) {
	qCDebug(LIBKLEO_LOG) << "Unacceptable signing key" << key.primaryFingerprint()
	<< "for" << mSender;
	return;
	}
	}

	if (!keys.empty() && !keys[0].isNull()) {
	mSigKeys.insert(fmt, keys);
	}
	}

	void setSigningKeys(const std::vector<GpgME::Key> keys)
	{
	if (mSign) {
	for (const auto &key: keys) {
	const auto sigFmt = key.protocol() == GpgME::Protocol::OpenPGP ? AnyOpenPGP : AnySMIME;
	auto list = mSigKeys.value(sigFmt);
	list.push_back(key);
	mSigKeys.insert(sigFmt, list);
	}
	}
	}

	// Try to find matching keys in the provided protocol for the unresolved addresses
	// only updates the any maps.
	void resolveEnc(GpgME::Protocol proto)
	{
	auto fmt = proto == GpgME::OpenPGP ? AnyOpenPGP : AnySMIME;
	auto encMap = mEncKeys.value(fmt);
	auto hiddenMap = mBccKeys.value(fmt);
	QMutableStringListIterator it((proto == GpgME::Protocol::OpenPGP) ? mUnresolvedPGP : mUnresolvedCMS);
	while (it.hasNext()) {
	const QString addr = it.next();
	const auto keys = mCache->findBestByMailBox(addr.toUtf8().constData(),
	proto, false, true);
	if (keys.empty() \|\| keys[0].isNull()) {
	qCDebug(LIBKLEO_LOG) << "Failed to find any"
	<< (proto == GpgME::Protocol::OpenPGP ? "OpenPGP" : "CMS")
	<< "key for: " << addr;
	continue;
	}
	if (keys.size() == 1) {
	if (!isAcceptableEncryptionKey(keys[0], addr)) {
	qCDebug(LIBKLEO_LOG) << "key for: " << addr << keys[0].primaryFingerprint()
	<< "has not enough validity";
	continue;
	}
	} else {
	// If we have one unacceptable group key we reject the
	// whole group to avoid the situation where one key is
	// skipped or the operation fails.
	//
	// We are in Autoresolve land here. In the GUI we
	// will also show unacceptable group keys so that the
	// user can see which key is not acceptable.
	bool unacceptable = false;
	for (const auto &key: keys) {
	if (!isAcceptableEncryptionKey(key)) {
	qCDebug(LIBKLEO_LOG) << "group key for: " << addr << keys[0].primaryFingerprint()
	<< "has not enough validity";
	unacceptable = true;
	break;
	}
	}
	if (unacceptable) {
	continue;
	}
	}
	if (mHiddenRecipients.contains(addr)) {
	hiddenMap.insert(addr, keys);
	} else {
	encMap.insert(addr, keys);
	for (const auto &k: keys) {
	if (!k.isNull()) {
	qCDebug(LIBKLEO_LOG) << "Resolved encrypt to" << addr
	<< "with key" << k.primaryFingerprint();
	}
	}
	}
	it.remove();
	}
	mEncKeys.insert(fmt, encMap);
	mBccKeys.insert(fmt, hiddenMap);
	}

	void encMapToSpecific(CryptoMessageFormat anyFormat, CryptoMessageFormat specificFormat,
	QMap<CryptoMessageFormat, QMap<QString, std::vector<GpgME::Key> > >&encMap)
	{
	Q_ASSERT(anyFormat & specificFormat);
	if (!encMap.contains(anyFormat)) {
	return;
	}
	for (const auto &addr: encMap[anyFormat].keys()) {
	if (!encMap.contains(specificFormat)) {
	encMap.insert(specificFormat, QMap<QString, std::vector<GpgME::Key> >());
	}
	encMap[specificFormat].insert(addr, encMap[anyFormat][addr]);
	}
	encMap.remove(anyFormat);
	}

	void reduceToSingle(CryptoMessageFormat targetFmt)
	{
	// We a have a specific format so we need to map any keys
	// into that format. This ignores overrides as the format
	// was explicitly set.
	CryptoMessageFormat srcFmt = (targetFmt & AnySMIME) ? AnySMIME : AnyOpenPGP;
	if (mSigKeys.contains(srcFmt)) {
	mSigKeys.insert(targetFmt, mSigKeys.take(srcFmt));
	}
	encMapToSpecific(srcFmt, targetFmt, mEncKeys);
	encMapToSpecific(srcFmt, targetFmt, mBccKeys);
	}

	void updateEncMap(QMap<QString, std::vector<GpgME::Key> > &target,
	QMap<QString, std::vector<GpgME::Key> > &src)
	{
	for (const auto &addr: target.keys()) {
	if (src.contains(addr)) {
	target.insert(addr, src[addr]);
	}
	}
	}

	void updateEncMaps(CryptoMessageFormat target, CryptoMessageFormat src)
	{
	if (mBccKeys.contains(src) && mBccKeys.contains(target)) {
	updateEncMap(mBccKeys[target], mBccKeys[src]);
	}
	if (mEncKeys.contains(src) && mEncKeys.contains(target)) {
	updateEncMap(mEncKeys[target], mEncKeys[src]);
	}
	}

	bool needsFormat(CryptoMessageFormat fmt)
	{
	return mBccKeys.contains(fmt) \|\| mEncKeys.contains(fmt);
	}

	void selectFormats()
	{
	// Check if we can find a single common specific format that works
	if (mFormat != AutoFormat && mFormat != AnyOpenPGP && mFormat != AnySMIME) {
	reduceToSingle(mFormat);
	}

	// OpenPGP
	// By default prefer OpenPGPMIME
	bool needTwoPGP = needsFormat(OpenPGPMIMEFormat) && needsFormat(InlineOpenPGPFormat);
	reduceToSingle(OpenPGPMIMEFormat);
	if (needTwoPGP) {
	// We need two messages as we have conflicting preferences.

	// Then we need to check that if we sign the PGP MIME Message we
	// also sign the inline one.
	if (mSigKeys.contains(OpenPGPMIMEFormat)) {
	mSigKeys.insert(InlineOpenPGPFormat,
	mSigKeys[OpenPGPMIMEFormat]);
	}

	// Then it's also possible that a user updated a key in the
	// UI so we need to check that too.
	updateEncMaps(InlineOpenPGPFormat, OpenPGPMIMEFormat);
	}

	// Similar for S/MIME
	bool needTwoSMIME = needsFormat(SMIMEOpaqueFormat) && needsFormat(SMIMEFormat);
	// Here we prefer real S/MIME
	reduceToSingle(SMIMEFormat);
	if (needTwoSMIME) {
	if (mSigKeys.contains(SMIMEFormat)) {
	mSigKeys.insert(SMIMEOpaqueFormat,
	mSigKeys[SMIMEFormat]);
	}
	updateEncMaps(SMIMEOpaqueFormat, SMIMEFormat);
	}
	return;
	}

	void showApprovalDialog(QWidget *parent)
	{
	QMap<QString, std::vector<GpgME::Key> > resolvedSig;
	QStringList unresolvedSig;
	bool pgpOnly = mUnresolvedPGP.empty() && (!mSign \|\| mSigKeys.contains(AnyOpenPGP));
	bool cmsOnly = mUnresolvedCMS.empty() && (!mSign \|\| mSigKeys.contains(AnySMIME));
	// First handle the signing keys
	if (mSign) {
	if (mSigKeys.empty()) {
	unresolvedSig << mSender;
	} else {
	std::vector<GpgME::Key> resolvedSigKeys;
	for (const auto &keys: mSigKeys) {
	for (const auto &key: keys) {
	if ((pgpOnly && key.protocol() != GpgME::OpenPGP) \|\|
	(cmsOnly && key.protocol() != GpgME::CMS)) {
	continue;
	}
	resolvedSigKeys.push_back(key);
	}
	}
	resolvedSig.insert(mSender, resolvedSigKeys);
	}
	}

	// Now build the encryption keys
	QMap<QString, std::vector<GpgME::Key> > resolvedRecp;
	QStringList unresolvedRecp;

	if (mEncrypt) {
	// Use all unresolved recpients.
	if (!cmsOnly && !pgpOnly) {
	if (mFormat & AutoFormat) {
	// In Auto Format we can now remove recpients that could
	// be resolved either through CMS or PGP
	for (const auto &addr: mUnresolvedPGP) {
	if (mUnresolvedCMS.contains(addr)) {
	unresolvedRecp << addr;
	}
	}
	} else if (mFormat & AnyOpenPGP) {
	unresolvedRecp = mUnresolvedPGP;
	} else if (mFormat & AnySMIME) {
	unresolvedRecp = mUnresolvedCMS;
	}
	}

	// Now Map all resolved encryption keys regardless of the format.
	for (const auto &map: mEncKeys.values()) {
	// Foreach format
	for (const auto &addr: map.keys()) {
	// Foreach sender
	if (!resolvedRecp.contains(addr) \|\| !resolvedRecp[addr].size()) {
	resolvedRecp.insert(addr, map[addr]);
	} else {
	qCDebug(LIBKLEO_LOG) << "Replacing resolved keys for" << addr
	<< "with keys from new format.";
	resolvedRecp[addr] = map[addr];
	}
	}
	}
	}

	// Do we force the protocol?
	GpgME::Protocol forcedProto = mFormat == AutoFormat ? GpgME::UnknownProtocol :
	mFormat & AnyOpenPGP ? GpgME::OpenPGP :
	GpgME::CMS;

	// Start with the protocol for which every keys could be found.
	GpgME::Protocol presetProtocol = pgpOnly ? GpgME::OpenPGP :
	cmsOnly ? GpgME::CMS :
	GpgME::UnknownProtocol;

	mDialog = std::shared_ptr<NewKeyApprovalDialog>(new NewKeyApprovalDialog(resolvedSig,
	resolvedRecp,
	unresolvedSig,
	unresolvedRecp,
	mSender,
	mAllowMixed,
	forcedProto,
	presetProtocol,
	parent,
	mDialogWindowFlags));
	connect (mDialog.get(), &QDialog::accepted, q, [this] () {
	dialogAccepted();
	});
	connect (mDialog.get(), &QDialog::rejected, q, [this] () {
	Q_EMIT q->keysResolved(false, false);}
	);
	mDialog->open();
	}

	void dialogAccepted()
	{
	// Update keymaps accordingly
	mSigKeys.clear();
	for (const auto &key: mDialog->signingKeys()) {
	CryptoMessageFormat fmt = key.protocol() == GpgME::OpenPGP ? AnyOpenPGP : AnySMIME;
	if (!mSigKeys.contains(fmt)) {
	mSigKeys.insert(fmt, std::vector<GpgME::Key>());
	}
	mSigKeys[fmt].push_back(key);
	}
	const auto &encMap = mDialog->encryptionKeys();
	// First we clear the Any Maps and fill them with
	// the results of the dialog. Then we use the sender
	// address to determine if a keys in the specific
	// maps need updating.
	mEncKeys.remove(AnyOpenPGP);
	mEncKeys.remove(AnySMIME);
	mBccKeys.remove(AnyOpenPGP);
	mBccKeys.remove(AnySMIME);

	bool isUnresolved = false;
	for (const auto &addr: encMap.keys()) {
	for (const auto &key: encMap[addr]) {
	if (key.isNull()) {
	isUnresolved = true;
	}
	CryptoMessageFormat fmt = key.protocol() == GpgME::OpenPGP ? AnyOpenPGP : AnySMIME;
	// Should we add to hidden or normal?
	QMap<CryptoMessageFormat, QMap<QString, std::vector<GpgME::Key> > > *targetMap =
	mHiddenRecipients.contains(addr) ? &mBccKeys : &mEncKeys;
	if (!targetMap->contains(fmt)) {
	targetMap->insert(fmt, QMap<QString, std::vector<GpgME::Key> >());
	}

	if (!(*targetMap)[fmt].contains(addr)) {
	(*targetMap)[fmt].insert(addr, std::vector<GpgME::Key>());
	}
	qCDebug (LIBKLEO_LOG) << "Adding" << addr << "for" << cryptoMessageFormatToString (fmt)
	<< "fpr:" << key.primaryFingerprint();

	(*targetMap)[fmt][addr].push_back(key);
	}
	}

	if (isUnresolved) {
	// TODO show warning
	}

	Q_EMIT q->keysResolved(true, false);
	}

	KeyResolver *q;
	QString mSender;
	QStringList mRecipients;
	QStringList mHiddenRecipients;
	QMap<CryptoMessageFormat, std::vector<GpgME::Key> > mSigKeys;
	QMap<CryptoMessageFormat, QMap<QString, std::vector<GpgME::Key> > >mEncKeys;
	QMap<CryptoMessageFormat, QMap<QString, std::vector<GpgME::Key> > >mBccKeys;
	QMap<CryptoMessageFormat, QMap<QString, QStringList> > mOverrides;

	QStringList mUnresolvedPGP, mUnresolvedCMS;

	CryptoMessageFormat mFormat;
	QStringList mFatalErrors;
	bool mEncrypt, mSign, mNag;
	bool mAllowMixed;
	// The cache is needed as a member variable to avoid rebuilding
	// it beteween calls if we are the only user.
	std::shared_ptr<const KeyCache> mCache;
	std::shared_ptr<NewKeyApprovalDialog> mDialog;
	Qt::WindowFlags mDialogWindowFlags;
	int mMinimumValidity;
	QString mCompliance;
	};

	void KeyResolver::start(bool showApproval, QWidget *parentWidget)
	{
	qCDebug(LIBKLEO_LOG) << "Starting ";
	if (!d->mSign && !d->mEncrypt) {
	// nothing to do
	return Q_EMIT keysResolved(true, true);
	}

	// First resolve through overrides
	d->resolveOverrides();

	// Then look for signing / encryption keys
	if (d->mFormat & AnyOpenPGP) {
	d->resolveSign(GpgME::OpenPGP);
	d->resolveEnc(GpgME::OpenPGP);
	}
	bool pgpOnly = d->mUnresolvedPGP.empty() && (!d->mSign \|\| d->mSigKeys.contains(AnyOpenPGP));

	if (d->mFormat & AnySMIME && !(d->mFormat == AutoFormat && pgpOnly)) {
	d->resolveSign(GpgME::CMS);
	d->resolveEnc(GpgME::CMS);
	}
	bool cmsOnly = d->mUnresolvedCMS.empty() && (!d->mSign \|\| d->mSigKeys.contains(AnySMIME));

	// Check if we need the user to select different keys.
	bool needsUser = false;
	if (!pgpOnly && !cmsOnly) {
	for (const auto &unresolved: d->mUnresolvedPGP) {
	if (d->mUnresolvedCMS.contains(unresolved)) {
	// We have at least one unresolvable key.
	needsUser = true;
	break;
	}
	}
	if (d->mSign) {
	// So every recipient could be resolved through
	// a combination of PGP and S/MIME do we also
	// have signining keys for both?
	needsUser \|= !(d->mSigKeys.contains(AnyOpenPGP) &&
	d->mSigKeys.contains(AnySMIME));
	}
	}

	if (!needsUser && !showApproval) {
	if (pgpOnly) {
	d->mSigKeys.remove(AnySMIME);
	d->mEncKeys.remove(AnySMIME);
	d->mBccKeys.remove(AnySMIME);
	}
	if (cmsOnly) {
	d->mSigKeys.remove(AnyOpenPGP);
	d->mEncKeys.remove(AnyOpenPGP);
	d->mBccKeys.remove(AnyOpenPGP);
	}

	d->selectFormats();
	qCDebug(LIBKLEO_LOG) << "Automatic key resolution done.";
	Q_EMIT keysResolved(true, false);
	return;
	} else if (!needsUser) {
	qCDebug(LIBKLEO_LOG) << "No need for the user showing approval anyway.";
	}

	d->showApprovalDialog(parentWidget);
	}

	KeyResolver::KeyResolver(bool encrypt, bool sign, CryptoMessageFormat fmt, bool allowMixed) :
	d(new Private(this, encrypt, sign, fmt, allowMixed))
	{
	}

	void KeyResolver::setRecipients(const QStringList &addresses)
	{
	d->addRecpients(addresses, false);
	}

	void KeyResolver::setSender(const QString &address)
	{
	const auto normalized = GpgME::UserID::addrSpecFromString (address.toUtf8().constData());
	if (normalized.empty()) {
	// should not happen bug in the caller, non localized
	// error for bug reporting.
	d->mFatalErrors << QStringLiteral("The sender address '%1' could not be extracted").arg(address);
	return;
	}
	const auto normStr = QString::fromUtf8(normalized.c_str());
	if (d->mSign) {
	d->mSender = normStr;
	}
	if (d->mEncrypt) {
	if (!d->mUnresolvedCMS.contains(normStr)) {
	d->mUnresolvedCMS << normStr;
	}
	if (!d->mUnresolvedPGP.contains(normStr)) {
	d->mUnresolvedPGP << normStr;
	}
	}
	}

	void KeyResolver::setHiddenRecipients(const QStringList &addresses)
	{
	d->addRecpients(addresses, true);
	}

	void KeyResolver::setOverrideKeys(const QMap<CryptoMessageFormat, QMap<QString, QStringList> > &overrides)
	{
	QMap<QString, QStringList> normalizedOverrides;
	for (const auto fmt: overrides.keys()) {
	for (const auto &addr: overrides[fmt].keys()) {
	const auto normalized = QString::fromUtf8(
	GpgME::UserID::addrSpecFromString (addr.toUtf8().constData()).c_str());
	const auto fingerprints = overrides[fmt][addr];
	normalizedOverrides.insert(addr, fingerprints);
	}
	d->mOverrides.insert(fmt, normalizedOverrides);
	}
	}

	QMap <CryptoMessageFormat, QMap<QString, std::vector<GpgME::Key> > > KeyResolver::encryptionKeys() const
	{
	return d->mEncKeys;
	}

	QMap <CryptoMessageFormat, QMap<QString, std::vector<GpgME::Key> > > KeyResolver::hiddenKeys() const
	{
	return d->mBccKeys;
	}

	QMap <CryptoMessageFormat, std::vector<GpgME::Key> > KeyResolver::signingKeys() const
	{
	return d->mSigKeys;
	}

	QMap <CryptoMessageFormat, QMap<QString, QStringList> > KeyResolver::overrideKeys() const
	{
	return d->mOverrides;
	}

	void KeyResolver::enableNagging(bool value)
	{
	d->mNag = value;
	}

	void KeyResolver::setDialogWindowFlags(Qt::WindowFlags flags)
	{
	d->mDialogWindowFlags = flags;
	}

	void KeyResolver::setMinimumValidity(int validity)
	{
	d->mMinimumValidity = validity;
	}

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