File indexing completed on 2024-06-23 05:13:45

 /* -*- mode: c++; c-basic-offset:4 -*-
     commands/revokekeycommand.cpp
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2022 g10 Code GmbH
     SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include <config-kleopatra.h>
 
 #include "command_p.h"
 #include "dialogs/revokekeydialog.h"
 #include "revokekeycommand.h"
 
 #include <Libkleo/Formatting>
 
 #include <KLocalizedString>
 
 #include <QGpgME/RevokeKeyJob>
 
 #include "kleopatra_debug.h"
 #include <QGpgME/Protocol>
 
 using namespace Kleo;
 using namespace GpgME;
 
 class RevokeKeyCommand::Private : public Command::Private
 {
     friend class ::RevokeKeyCommand;
     RevokeKeyCommand *q_func() const
     {
         return static_cast<RevokeKeyCommand *>(q);
     }
 
 public:
     explicit Private(RevokeKeyCommand *qq, KeyListController *c = nullptr);
     ~Private() override;
 
     void start();
     void cancel();
 
 private:
     void ensureDialogCreated();
     void onDialogAccepted();
     void onDialogRejected();
 
     std::unique_ptr<QGpgME::RevokeKeyJob> startJob();
     void onJobResult(const Error &err);
     void showError(const Error &err);
 
 private:
     Key key;
     QPointer<RevokeKeyDialog> dialog;
     QPointer<QGpgME::RevokeKeyJob> job;
 };
 
 RevokeKeyCommand::Private *RevokeKeyCommand::d_func()
 {
     return static_cast<Private *>(d.get());
 }
 const RevokeKeyCommand::Private *RevokeKeyCommand::d_func() const
 {
     return static_cast<const Private *>(d.get());
 }
 
 #define d d_func()
 #define q q_func()
 
 RevokeKeyCommand::Private::Private(RevokeKeyCommand *qq, KeyListController *c)
     : Command::Private{qq, c}
 {
 }
 
 RevokeKeyCommand::Private::~Private() = default;
 
 namespace
 {
 Key getKey(const std::vector<Key> &keys)
 {
     if (keys.size() != 1) {
         qCWarning(KLEOPATRA_LOG) << "Expected exactly one key, but got" << keys.size();
         return {};
     }
     const Key key = keys.front();
     if (key.protocol() != GpgME::OpenPGP) {
         qCWarning(KLEOPATRA_LOG) << "Expected OpenPGP key, but got" << Formatting::displayName(key.protocol()) << "key";
         return {};
     }
     return key;
 }
 }
 
 void RevokeKeyCommand::Private::start()
 {
     key = getKey(keys());
     if (key.isNull()) {
         finished();
         return;
     }
 
     if (key.isRevoked()) {
         information(i18nc("@info", "This key has already been revoked."));
         finished();
         return;
     }
 
     ensureDialogCreated();
     Q_ASSERT(dialog);
 
     dialog->setKey(key);
     dialog->show();
 }
 
 void RevokeKeyCommand::Private::cancel()
 {
     if (job) {
         job->slotCancel();
     }
     job.clear();
 }
 
 void RevokeKeyCommand::Private::ensureDialogCreated()
 {
     if (dialog) {
         return;
     }
 
     dialog = new RevokeKeyDialog;
     applyWindowID(dialog);
     dialog->setAttribute(Qt::WA_DeleteOnClose);
 
     connect(dialog, &QDialog::accepted, q, [this]() {
         onDialogAccepted();
     });
     connect(dialog, &QDialog::rejected, q, [this]() {
         onDialogRejected();
     });
 }
 
 void RevokeKeyCommand::Private::onDialogAccepted()
 {
     auto revokeJob = startJob();
     if (!revokeJob) {
         finished();
         return;
     }
     job = revokeJob.release();
 }
 
 void RevokeKeyCommand::Private::onDialogRejected()
 {
     canceled();
 }
 
 namespace
 {
 std::vector<std::string> toStdStrings(const QStringList &l)
 {
     std::vector<std::string> v;
     v.reserve(l.size());
     std::transform(std::begin(l), std::end(l), std::back_inserter(v), std::mem_fn(&QString::toStdString));
     return v;
 }
 
 auto descriptionToLines(const QString &description)
 {
     std::vector<std::string> lines;
     if (!description.isEmpty()) {
         lines = toStdStrings(description.split(QLatin1Char('\n')));
     }
     return lines;
 }
 }
 
 std::unique_ptr<QGpgME::RevokeKeyJob> RevokeKeyCommand::Private::startJob()
 {
     std::unique_ptr<QGpgME::RevokeKeyJob> revokeJob{QGpgME::openpgp()->revokeKeyJob()};
     Q_ASSERT(revokeJob);
 
     connect(revokeJob.get(), &QGpgME::RevokeKeyJob::result, q, [this](const GpgME::Error &err) {
         onJobResult(err);
     });
     connect(revokeJob.get(), &QGpgME::Job::jobProgress, q, &Command::progress);
 
     const auto description = descriptionToLines(dialog->description());
     const GpgME::Error err = revokeJob->start(key, dialog->reason(), description);
     if (err) {
         showError(err);
         return {};
     }
     Q_EMIT q->info(i18nc("@info:status", "Revoking key..."));
 
     return revokeJob;
 }
 
 void RevokeKeyCommand::Private::onJobResult(const Error &err)
 {
     if (err) {
         showError(err);
         finished();
         return;
     }
 
     if (!err.isCanceled()) {
         information(i18nc("@info", "The key was revoked successfully."), i18nc("@title:window", "Key Revoked"));
     }
     finished();
 }
 
 void RevokeKeyCommand::Private::showError(const Error &err)
 {
     error(xi18nc("@info",
                  "<para>An error occurred during the revocation:</para>"
                  "<para><message>%1</message></para>",
                  Formatting::errorAsString(err)),
           i18nc("@title:window", "Revocation Failed"));
 }
 
 RevokeKeyCommand::RevokeKeyCommand(QAbstractItemView *v, KeyListController *c)
     : Command{v, new Private{this, c}}
 {
 }
 
 RevokeKeyCommand::RevokeKeyCommand(const GpgME::Key &key)
     : Command{key, new Private{this}}
 {
 }
 
 RevokeKeyCommand::~RevokeKeyCommand() = default;
 
 void RevokeKeyCommand::doStart()
 {
     d->start();
 }
 
 void RevokeKeyCommand::doCancel()
 {
     d->cancel();
 }
 
 #undef d
 #undef q
 
 #include "moc_revokekeycommand.cpp"