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certificatedetailsdialog.cpp
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/* -*- mode: c++; c-basic-offset:4 -*-
dialogs/certificatedetailsdialog.cpp
This file is part of Kleopatra, the KDE keymanager
Copyright (c) 2008 Klarälvdalens Datakonsult AB
Kleopatra 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.
Kleopatra 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 <config-kleopatra.h>
#include "certificatedetailsdialog.h"
#include "ui_certificatedetailsdialog.h"
#include <models/useridlistmodel.h>
#include <models/subkeylistmodel.h>
#include <models/keycache.h>
#include <commands/changepassphrasecommand.h>
#include <commands/changeownertrustcommand.h>
#include <commands/changeexpirycommand.h>
#include <commands/adduseridcommand.h>
#include <commands/certifycertificatecommand.h>
#include <commands/dumpcertificatecommand.h>
#include <utils/formatting.h>
#include <utils/gnupg-helper.h>
#include <kleo/cryptobackendfactory.h>
#include <kleo/cryptobackend.h>
#include <kleo/keylistjob.h>
#include <kleo/dn.h>
#include <gpgme++/key.h>
#include <gpgme++/keylistresult.h>
#include <KDebug>
#include <KMessageBox>
#include <KLocalizedString>
#include <KGlobalSettings>
#include <QPointer>
#include <QHeaderView>
#include <boost/mem_fn.hpp>
#include <algorithm>
#include <cassert>
using namespace Kleo;
using namespace Kleo::Dialogs;
using namespace Kleo::Commands;
using namespace GpgME;
using namespace boost;
static bool own( const std::vector<UserID::Signature> & sigs ) {
const shared_ptr<const KeyCache> kc = KeyCache::instance();
Q_FOREACH( const UserID::Signature & sig, sigs ) {
const Key signer = kc->findByKeyIDOrFingerprint( sig.signerKeyID() );
if ( signer.isNull() || !signer.hasSecret() )
return false;
}
return !sigs.empty();
}
class CertificateDetailsDialog::Private {
friend class ::Kleo::Dialogs::CertificateDetailsDialog;
CertificateDetailsDialog * const q;
public:
explicit Private( CertificateDetailsDialog * qq )
: q( qq ),
key(),
certificationsModel(),
subkeysModel(),
ui( q )
{
ui.certificationsTV->setModel( &certificationsModel );
connect( ui.certificationsTV->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
q, SLOT(slotCertificationSelectionChanged()) );
ui.subkeyTV->setModel( &subkeysModel );
// no selection (yet)
connect( KeyCache::instance().get(), SIGNAL(keysMayHaveChanged()),
q, SLOT(slotKeysMayHaveChanged()) );
}
private:
void startCommandImplementation( const QPointer<Command> & ptr, const char * slot ) {
connect( ptr, SIGNAL(finished()), q, slot );
ptr->start();
enableDisableWidgets();
}
template <typename T, typename A>
void startCommand( QPointer<Command> & ptr, const A & arg, const char * slot ) {
if ( ptr )
return;
ptr = new T( arg );
startCommandImplementation( ptr, slot );
}
template <typename T>
void startCommand( QPointer<Command> & ptr, const char * slot ) {
startCommand<T>( ptr, this->key, slot );
}
void commandFinished( QPointer<Command> & ptr ) {
ptr = 0;
enableDisableWidgets();
}
void slotChangePassphraseClicked() {
startCommand<ChangePassphraseCommand>( changePassphraseCommand, SLOT(slotChangePassphraseCommandFinished()) );
}
void slotChangePassphraseCommandFinished() {
commandFinished( changePassphraseCommand );
}
void slotChangeTrustLevelClicked() {
startCommand<ChangeOwnerTrustCommand>( changeOwnerTrustCommand, SLOT(slotChangeOwnerTrustCommandFinished()) );
}
void slotChangeOwnerTrustCommandFinished() {
commandFinished( changeOwnerTrustCommand );
}
void slotChangeExpiryDateClicked() {
startCommand<ChangeExpiryCommand>( changeExpiryDateCommand, SLOT(slotChangeExpiryDateCommandFinished()) );
}
void slotChangeExpiryDateCommandFinished() {
commandFinished( changeExpiryDateCommand );
}
void slotAddUserIDClicked() {
startCommand<AddUserIDCommand>( addUserIDCommand, SLOT(slotAddUserIDCommandFinished()) );
}
void slotAddUserIDCommandFinished() {
commandFinished( addUserIDCommand );
}
void slotCertifyUserIDClicked() {
const std::vector<UserID> uids = selectedUserIDs();
if ( uids.empty() )
return;
startCommand<CertifyCertificateCommand>( signCertificateCommand, uids, SLOT(slotSignCertificateCommandFinished()) );
}
void slotSignCertificateCommandFinished() {
commandFinished( signCertificateCommand );
}
void slotRevokeCertificateClicked() {
}
void slotRevokeUserIDClicked() {
}
void slotRevokeCertificationClicked() {
}
void slotShowCertificationsClicked() {
startSignatureListing();
enableDisableWidgets();
}
void startSignatureListing() {
if ( keyListJob )
return;
const CryptoBackend::Protocol * const protocol = CryptoBackendFactory::instance()->protocol( key.protocol() );
if ( !protocol )
return;
KeyListJob * const job = protocol->keyListJob( /*remote*/false, /*includeSigs*/true, /*validate*/true );
if ( !job )
return;
connect( job, SIGNAL(result(GpgME::KeyListResult)),
q, SLOT(slotSignatureListingDone(GpgME::KeyListResult)) );
connect( job, SIGNAL(nextKey(GpgME::Key)),
q, SLOT(slotSignatureListingNextKey(GpgME::Key)) );
if ( const Error err = job->start( QStringList( QString::fromLatin1( key.primaryFingerprint() ) ) ) )
showSignatureListingErrorDialog( err );
else
keyListJob = job;
}
void slotSignatureListingNextKey( const Key & key ) {
// don't lose the secret flags ...
Key merged = key;
merged.mergeWith( this->key );
q->setKey( merged );
// fixup the tree view
ui.certificationsTV->expandAll();
ui.certificationsTV->header()->resizeSections( QHeaderView::ResizeToContents );
}
void slotSignatureListingDone( const KeyListResult & result ) {
if ( result.error().isCanceled() )
;
else if ( result.error() )
showSignatureListingErrorDialog( result.error() );
else
;
keyListJob = 0;
enableDisableWidgets();
}
void showSignatureListingErrorDialog( const Error & err ) {
KMessageBox::information( q, i18nc("@info",
"<para>An error occurred while loading the certifications: "
"<message>%1</message></para>",
QString::fromLocal8Bit( err.asString() ) ),
i18nc("@title","Certifications Loading Failed") );
}
void slotCertificationSelectionChanged() {
enableDisableWidgets();
}
void slotKeysMayHaveChanged() {
if ( const char * const fpr = key.primaryFingerprint() )
if ( !(key.keyListMode() & Extern) )
q->setKey( KeyCache::instance()->findByFingerprint( fpr ) );
}
void slotDumpCertificate() {
if ( dumpCertificateCommand )
return;
if ( key.protocol() != CMS ) {
ui.dumpLTW->clear();
return;
}
ui.dumpLTW->setLines( QStringList( i18n("Please wait while generating the dump...") ) );
dumpCertificateCommand = new DumpCertificateCommand( key );
dumpCertificateCommand->setUseDialog( false );
QPointer<Command> cmd = dumpCertificateCommand.data();
startCommandImplementation( cmd, SLOT(slotDumpCertificateCommandFinished()) );
}
void slotDumpCertificateCommandFinished() {
ui.dumpLTW->setLines( dumpCertificateCommand->output() );
}
private:
void updateWidgetVisibility() {
const bool x509 = key.protocol() == CMS;
const bool pgp = key.protocol() == OpenPGP;
const bool secret = key.hasSecret();
const bool sigs = (key.keyListMode() & Signatures);
const bool ultimateTrust = key.ownerTrust() == Key::Ultimate;
const bool external = (key.keyListMode() & Extern);
// Overview Tab
ui.overviewActionsGB->setVisible( !external );
ui.changePassphrasePB->setVisible( secret );
ui.changeTrustLevelPB->setVisible( pgp && ( !secret || !ultimateTrust ) );
ui.changeExpiryDatePB->setVisible( pgp && secret );
// Certifications Tab
ui.userIDsActionsGB->setVisible( !external && pgp );
ui.certificationsActionGB->setVisible( !external && pgp );
ui.addUserIDPB->setVisible( secret );
ui.expandAllCertificationsPB->setVisible( pgp && sigs );
ui.collapseAllCertificationsPB->setVisible( pgp && sigs );
ui.showCertificationsPB->setVisible( !external && pgp && !sigs );
// Technical Details Tab
ui.tabWidget->setTabEnabled( ui.tabWidget->indexOf( ui.detailsTab ), pgp );
// Chain tab
ui.tabWidget->setTabEnabled( ui.tabWidget->indexOf( ui.chainTab ), x509 );
// Dump tab
ui.tabWidget->setTabEnabled( ui.tabWidget->indexOf( ui.dumpTab ), x509 );
// not implemented:
ui.revokeCertificatePB->hide();
ui.revokeUserIDPB->hide();
ui.certificationsActionGB->hide();
}
QModelIndexList selectedCertificationsIndexes() const {
return ui.certificationsTV->selectionModel()->selectedRows();
}
std::vector<UserID> selectedUserIDs() const {
const QModelIndexList mil = selectedCertificationsIndexes();
std::vector<UserID> uids = certificationsModel.userIDs( mil, true );
uids.erase( std::remove_if( uids.begin(), uids.end(), mem_fn( &UserID::isNull ) ), uids.end() );
return uids;
}
std::vector<UserID::Signature> selectedSignatures() const {
const QModelIndexList mil = selectedCertificationsIndexes();
std::vector<UserID::Signature> sigs = certificationsModel.signatures( mil );
sigs.erase( std::remove_if( sigs.begin(), sigs.end(), mem_fn( &UserID::Signature::isNull ) ), sigs.end() );
return sigs;
}
void enableDisableWidgets() {
// Overview Tab
ui.changePassphrasePB->setEnabled( !changePassphraseCommand );
ui.changeTrustLevelPB->setEnabled( !changeOwnerTrustCommand );
ui.changeExpiryDatePB->setEnabled( !changeExpiryDateCommand );
// Certifications Tab
ui.addUserIDPB->setEnabled( !addUserIDCommand );
ui.showCertificationsPB->setEnabled( !keyListJob );
ui.showCertificationsPB->setText( keyListJob
? i18n("(please wait while certifications are being loaded)")
: i18n("Load Certifications (may take a while)") );
const std::vector<UserID> uids = selectedUserIDs();
const std::vector<UserID::Signature> sigs = selectedSignatures();
ui.certifyUserIDPB->setEnabled( !uids.empty() && sigs.empty() && !signCertificateCommand );
ui.revokeUserIDPB->setEnabled( !uids.empty() && sigs.empty() );
ui.revokeCertificationPB->setEnabled( uids.empty() && !sigs.empty() && own( sigs ) );
}
void updateLabel() {
ui.overviewLB->setText( Formatting::formatOverview( key ) );
}
void updateChainTab() {
ui.chainTW->clear();
if ( key.protocol() != CMS )
return;
QTreeWidgetItem * last = 0;
const std::vector<Key> chain = KeyCache::instance()->findIssuers( key, KeyCache::RecursiveSearch|KeyCache::IncludeSubject );
if ( chain.empty() )
return;
if ( !chain.back().isRoot() ) {
last = new QTreeWidgetItem( ui.chainTW );
last->setText( 0, i18n("Issuer Certificate Not Found (%1)",
DN( chain.back().issuerName() ).prettyDN() ) );
//last->setSelectable( false );
const QBrush & fg = ui.chainTW->palette().brush( QPalette::Disabled, QPalette::WindowText );
last->setForeground( 0, fg );
}
for ( std::vector<Key>::const_reverse_iterator it = chain.rbegin(), end = chain.rend() ; it != end ; ++it ) {
last = last ? new QTreeWidgetItem( last ) : new QTreeWidgetItem( ui.chainTW ) ;
last->setText( 0, DN( it->userID(0).id() ).prettyDN() );
//last->setSelectable( true );
}
ui.chainTW->expandAll();
}
void propagateKey() {
certificationsModel.setKey( key );
const QModelIndexList uidIndexes = certificationsModel.indexes( key.userIDs() );
Q_FOREACH( const QModelIndex & idx, uidIndexes )
ui.certificationsTV->setFirstColumnSpanned( idx.row(), idx.parent(), true );
subkeysModel.setKey( key );
ui.subkeyTV->header()->resizeSections( QHeaderView::ResizeToContents );
updateChainTab();
slotDumpCertificate();
}
private:
Key key;
UserIDListModel certificationsModel;
SubkeyListModel subkeysModel;
QPointer<Command> changePassphraseCommand;
QPointer<Command> changeOwnerTrustCommand;
QPointer<Command> changeExpiryDateCommand;
QPointer<Command> addUserIDCommand;
QPointer<Command> signCertificateCommand;
QPointer<DumpCertificateCommand> dumpCertificateCommand;
QPointer<KeyListJob> keyListJob;
struct UI : public Ui_CertificateDetailsDialog {
explicit UI( Dialogs::CertificateDetailsDialog * qq )
: Ui_CertificateDetailsDialog()
{
setupUi( qq );
chainTW->header()->setResizeMode( 0, QHeaderView::Stretch );
dumpLTW->setFont( KGlobalSettings::fixedFont() );
dumpLTW->setMinimumVisibleLines( 15 );
dumpLTW->setMinimumVisibleColumns( 40 );
subkeyHLine->setTitle( i18nc("@title","Subkeys") );
}
} ui;
};
CertificateDetailsDialog::CertificateDetailsDialog( QWidget * p, Qt::WindowFlags f )
: QDialog( p, f ), d( new Private( this ) )
{
}
CertificateDetailsDialog::~CertificateDetailsDialog() {}
void CertificateDetailsDialog::setKey( const Key & key ) {
d->key = key;
d->updateWidgetVisibility();
d->updateLabel();
d->propagateKey();
d->enableDisableWidgets();
}
Key CertificateDetailsDialog::key() const {
return d->key;
}
#include "moc_certificatedetailsdialog.cpp"

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