File indexing completed on 2024-06-23 05:13:37

 /* -*- mode: c++; c-basic-offset:4 -*-
     commands/changeownertrustcommand.cpp
 
     This file is part of Kleopatra, the KDE keymanager
     SPDX-FileCopyrightText: 2008 Klarälvdalens Datakonsult AB
     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 "changeownertrustcommand.h"
 
 #include "command_p.h"
 
 #include <Libkleo/Compliance>
 #include <Libkleo/Formatting>
 #include <Libkleo/KeyCache>
 
 #include <KLocalizedString>
 
 #include <QGpgME/ChangeOwnerTrustJob>
 #include <QGpgME/Protocol>
 
 #include <gpgme++/key.h>
 
 #include "kleopatra_debug.h"
 
 using namespace Kleo;
 using namespace Kleo::Commands;
 using namespace GpgME;
 using namespace QGpgME;
 
 class ChangeOwnerTrustCommand::Private : public Command::Private
 {
     friend class ::Kleo::Commands::ChangeOwnerTrustCommand;
     ChangeOwnerTrustCommand *q_func() const
     {
         return static_cast<ChangeOwnerTrustCommand *>(q);
     }
 
 public:
     Private(ChangeOwnerTrustCommand *qq, KeyListController *c);
 
 private:
     void startJob(Key::OwnerTrust trust);
     void createJob();
     void slotResult(const Error &err);
     void showErrorDialog(const Error &error);
     void showSuccessDialog();
 
 private:
     QPointer<ChangeOwnerTrustJob> job;
     Key::OwnerTrust trustToSet = Key::OwnerTrust::Unknown;
 };
 
 ChangeOwnerTrustCommand::Private *ChangeOwnerTrustCommand::d_func()
 {
     return static_cast<Private *>(d.get());
 }
 const ChangeOwnerTrustCommand::Private *ChangeOwnerTrustCommand::d_func() const
 {
     return static_cast<const Private *>(d.get());
 }
 
 #define d d_func()
 #define q q_func()
 
 ChangeOwnerTrustCommand::Private::Private(ChangeOwnerTrustCommand *qq, KeyListController *c)
     : Command::Private{qq, c}
 {
 }
 
 ChangeOwnerTrustCommand::ChangeOwnerTrustCommand(QAbstractItemView *v, KeyListController *c)
     : Command{v, new Private{this, c}}
 {
 }
 
 ChangeOwnerTrustCommand::~ChangeOwnerTrustCommand()
 {
     qCDebug(KLEOPATRA_LOG) << this << __func__;
 }
 
 void ChangeOwnerTrustCommand::doStart()
 {
     if (d->keys().size() != 1) {
         d->finished();
         return;
     }
 
     const Key key = d->key();
     if (key.protocol() != GpgME::OpenPGP) {
         d->finished();
         return;
     }
 
     const auto keyInfo = Formatting::formatForComboBox(key);
 
     if (key.hasSecret()) {
         const auto answer = KMessageBox::questionTwoActionsCancel(d->parentWidgetOrView(),
                                                                   xi18nc("@info", "Is '%1' your own certificate?", keyInfo),
                                                                   i18nc("@title:window", "Mark Own Certificate"),
                                                                   KGuiItem(i18nc("@action:button", "Yes, it's mine")),
                                                                   KGuiItem(i18nc("@action:button", "No, it's not mine")),
                                                                   KStandardGuiItem::cancel());
         switch (answer) {
         case KMessageBox::ButtonCode::PrimaryAction: {
             if (key.ownerTrust() < Key::Ultimate) {
                 d->startJob(Key::OwnerTrust::Ultimate);
             }
             return;
         }
         case KMessageBox::ButtonCode::SecondaryAction: {
             if (key.ownerTrust() == Key::Ultimate) {
                 d->startJob(Key::OwnerTrust::Unknown);
                 return;
             }
             // else ask next question
             break;
         }
         case KMessageBox::Cancel: {
             d->canceled();
             return;
         }
         default:; // cannot happen
         }
     }
 
     if (key.ownerTrust() < Key::OwnerTrust::Full) {
         const auto text = (DeVSCompliance::isCompliant() && DeVSCompliance::allSubkeysAreCompliant(key))
             ? xi18nc("@info %1: a certificate, %2: name of a compliance mode",
                      "<para>Do you want to grant '%1' the power to mark certificates as %2 for you?</para>"
                      "<para><emphasis>This means that the owner of this certificate properly checks fingerprints "
                      "and confirms the identities of others.</emphasis></para>",
                      keyInfo,
                      DeVSCompliance::name())
             : xi18nc("@info %1: a certificate",
                      "<para>Do you want to grant '%1' the power to mark certificates as valid for you?</para>"
                      "<para><emphasis>This means that the owner of this certificate properly checks fingerprints "
                      "and confirms the identities of others.</emphasis></para>",
                      keyInfo);
         const auto answer = KMessageBox::questionTwoActions(d->parentWidgetOrView(),
                                                             text,
                                                             i18nc("@title:window", "Grant Certification Power"),
                                                             KGuiItem(i18nc("@action:button", "Grant Power")),
                                                             KStandardGuiItem::cancel());
         if (answer == KMessageBox::ButtonCode::PrimaryAction) {
             d->startJob(Key::OwnerTrust::Full);
         } else {
             d->canceled();
         }
     } else {
         const auto text = (DeVSCompliance::isCompliant() && DeVSCompliance::allSubkeysAreCompliant(key))
             ? xi18nc("@info %1: a certificate, %2: name of a compliance mode",
                      "<para>The certificate '%1' is empowered to mark other certificates as %2 for you.</para>"
                      "<para>Do you want to revoke this power?</para>",
                      keyInfo,
                      DeVSCompliance::name())
             : xi18nc("@info %1: a certificate",
                      "<para>The certificate '%1' is empowered to mark other certificates as valid for you.</para>"
                      "<para>Do you want to revoke this power?</para>",
                      keyInfo);
         const auto answer = KMessageBox::questionTwoActions(d->parentWidgetOrView(),
                                                             text,
                                                             i18nc("@title:window", "Revoke Certification Power"),
                                                             KGuiItem(i18nc("@action:button", "Revoke Power")),
                                                             KStandardGuiItem::cancel());
         if (answer == KMessageBox::ButtonCode::PrimaryAction) {
             d->startJob(Key::OwnerTrust::Unknown);
         } else {
             d->canceled();
         }
     }
 }
 
 void ChangeOwnerTrustCommand::Private::startJob(Key::OwnerTrust trust)
 {
     trustToSet = trust;
 
     createJob();
     Q_ASSERT(job);
 
     if (const Error err = job->start(key(), trust)) {
         showErrorDialog(err);
         finished();
     }
 }
 
 void ChangeOwnerTrustCommand::Private::slotResult(const Error &err)
 {
     if (err.isCanceled())
         ;
     else if (err) {
         showErrorDialog(err);
     } else {
         showSuccessDialog();
     }
     finished();
 }
 
 void ChangeOwnerTrustCommand::doCancel()
 {
     qCDebug(KLEOPATRA_LOG) << this << __func__;
     if (d->job) {
         d->job->slotCancel();
     }
 }
 
 void ChangeOwnerTrustCommand::Private::createJob()
 {
     Q_ASSERT(!job);
 
     ChangeOwnerTrustJob *const j = QGpgME::openpgp()->changeOwnerTrustJob();
     if (!j) {
         return;
     }
 
     connect(j, &QGpgME::Job::jobProgress, q, &Command::progress);
     connect(j, &ChangeOwnerTrustJob::result, q, [this](const GpgME::Error &result) {
         slotResult(result);
     });
 
     job = j;
 }
 
 void ChangeOwnerTrustCommand::Private::showErrorDialog(const Error &err)
 {
     const auto keyInfo = Formatting::formatForComboBox(key());
     switch (trustToSet) {
     case Key::OwnerTrust::Ultimate:
         error(xi18nc("@info",
                      "<para>An error occurred while marking certificate '%1' as your certificate.</para>"
                      "<para><message>%2</message></para>",
                      keyInfo,
                      Formatting::errorAsString(err)));
         break;
     case Key::OwnerTrust::Full:
         error(xi18nc("@info",
                      "<para>An error occurred while granting certification power to '%1'.</para>"
                      "<para><message>%2</message></para>",
                      keyInfo,
                      Formatting::errorAsString(err)));
         break;
     default:
         error(xi18nc("@info",
                      "<para>An error occurred while revoking the certification power of '%1'.</para>"
                      "<para><message>%2</message></para>",
                      keyInfo,
                      Formatting::errorAsString(err)));
     }
 }
 
 void ChangeOwnerTrustCommand::Private::showSuccessDialog()
 {
     auto updatedKey = key();
     updatedKey.update();
     KeyCache::mutableInstance()->insert(updatedKey);
 
     const auto keyInfo = Formatting::formatForComboBox(updatedKey);
     switch (updatedKey.ownerTrust()) {
     case Key::OwnerTrust::Ultimate:
         success(i18nc("@info", "Certificate '%1' was marked as your certificate.", keyInfo));
         break;
     case Key::OwnerTrust::Full:
         success(i18nc("@info", "Certification power was granted to '%1'.", keyInfo));
         break;
     default:
         success(i18nc("@info", "The certification power of '%1' was revoked.", keyInfo));
     }
 }
 
 #undef d
 #undef q
 
 #include "moc_changeownertrustcommand.cpp"