kde-playground/kdepim/messageviewer/viewer/objecttreeparser_p.cpp
2015-04-14 21:49:29 +00:00

411 lines
12 KiB
C++

/* -*- mode: C++; c-file-style: "gnu" -*-
objecttreeparser_p.cpp
This file is part of KMail, the KDE mail client.
Copyright (C) 2009 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.net
Copyright (c) 2009 Klarälvdalens Datakonsult AB
Authors: Marc Mutz <marc@kdab.net>
Copyright (c) 2009 Andras Mantia <andras@kdab.net>
KMail is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License, version 2, as
published by the Free Software Foundation.
KMail 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 "objecttreeparser_p.h"
#include <kdebug.h>
#include <kleo/decryptverifyjob.h>
#include <kleo/verifydetachedjob.h>
#include <kleo/verifyopaquejob.h>
#include <kleo/keylistjob.h>
#include <gpgme++/keylistresult.h>
#include <qtimer.h>
#include <qstringlist.h>
#include <cassert>
using namespace Kleo;
using namespace GpgME;
using namespace MessageViewer;
CryptoBodyPartMemento::CryptoBodyPartMemento()
: QObject( 0 ),
Interface::BodyPartMemento(),
m_running( false )
{
}
CryptoBodyPartMemento::~CryptoBodyPartMemento() {}
void CryptoBodyPartMemento::setAuditLog( const Error & err, const QString & log ) {
m_auditLogError = err;
m_auditLog = log;
}
void CryptoBodyPartMemento::setRunning( bool running ) {
m_running = running;
}
void CryptoBodyPartMemento::detach()
{
disconnect( this, SIGNAL(update(MessageViewer::Viewer::UpdateMode)), 0, 0 );
}
DecryptVerifyBodyPartMemento::DecryptVerifyBodyPartMemento( DecryptVerifyJob * job, const QByteArray & cipherText )
: CryptoBodyPartMemento(),
m_cipherText( cipherText ),
m_job( job )
{
assert( m_job );
}
DecryptVerifyBodyPartMemento::~DecryptVerifyBodyPartMemento() {
if ( m_job )
m_job->slotCancel();
}
bool DecryptVerifyBodyPartMemento::start() {
assert( m_job );
if ( const Error err = m_job->start( m_cipherText ) ) {
m_dr = DecryptionResult( err );
return false;
}
connect( m_job, SIGNAL(result(GpgME::DecryptionResult,GpgME::VerificationResult,QByteArray)),
this, SLOT(slotResult(GpgME::DecryptionResult,GpgME::VerificationResult,QByteArray)) );
setRunning( true );
return true;
}
void DecryptVerifyBodyPartMemento::exec() {
assert( m_job );
QByteArray plainText;
setRunning( true );
const std::pair<DecryptionResult,VerificationResult> p = m_job->exec( m_cipherText, plainText );
saveResult( p.first, p.second, plainText );
m_job->deleteLater(); // exec'ed jobs don't delete themselves
m_job = 0;
}
void DecryptVerifyBodyPartMemento::saveResult( const DecryptionResult & dr,
const VerificationResult & vr,
const QByteArray & plainText )
{
assert( m_job );
setRunning( false );
m_dr = dr;
m_vr = vr;
m_plainText = plainText;
setAuditLog( m_job->auditLogError(), m_job->auditLogAsHtml() );
}
void DecryptVerifyBodyPartMemento::slotResult( const DecryptionResult & dr,
const VerificationResult & vr,
const QByteArray & plainText )
{
saveResult( dr, vr, plainText );
m_job = 0;
notify();
}
VerifyDetachedBodyPartMemento::VerifyDetachedBodyPartMemento( VerifyDetachedJob * job,
KeyListJob * klj,
const QByteArray & signature,
const QByteArray & plainText )
: CryptoBodyPartMemento(),
m_signature( signature ),
m_plainText( plainText ),
m_job( job ),
m_keylistjob( klj )
{
assert( m_job );
}
VerifyDetachedBodyPartMemento::~VerifyDetachedBodyPartMemento() {
if ( m_job )
m_job->slotCancel();
if ( m_keylistjob )
m_keylistjob->slotCancel();
}
bool VerifyDetachedBodyPartMemento::start() {
assert( m_job );
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyDetachedBodyPartMemento started";
#endif
connect( m_job, SIGNAL(result(GpgME::VerificationResult)),
this, SLOT(slotResult(GpgME::VerificationResult)) );
if ( const Error err = m_job->start( m_signature, m_plainText ) ) {
m_vr = VerificationResult( err );
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyDetachedBodyPartMemento stopped with error";
#endif
return false;
}
setRunning( true );
return true;
}
void VerifyDetachedBodyPartMemento::exec() {
assert( m_job );
setRunning( true );
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyDetachedBodyPartMemento execed";
#endif
saveResult( m_job->exec( m_signature, m_plainText ) );
m_job->deleteLater(); // exec'ed jobs don't delete themselves
m_job = 0;
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyDetachedBodyPartMemento after execed";
#endif
if ( canStartKeyListJob() ) {
std::vector<GpgME::Key> keys;
m_keylistjob->exec( keyListPattern(), /*secretOnly=*/false, keys );
if ( !keys.empty() )
m_key = keys.back();
}
if ( m_keylistjob )
m_keylistjob->deleteLater(); // exec'ed jobs don't delete themselves
m_keylistjob = 0;
setRunning( false );
}
bool VerifyDetachedBodyPartMemento::canStartKeyListJob() const
{
if ( !m_keylistjob )
return false;
const char * const fpr = m_vr.signature( 0 ).fingerprint();
return fpr && *fpr;
}
QStringList VerifyDetachedBodyPartMemento::keyListPattern() const
{
assert( canStartKeyListJob() );
return QStringList( QString::fromLatin1( m_vr.signature( 0 ).fingerprint() ) );
}
void VerifyDetachedBodyPartMemento::saveResult( const VerificationResult & vr )
{
assert( m_job );
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyDetachedBodyPartMemento::saveResult called";
#endif
m_vr = vr;
setAuditLog( m_job->auditLogError(), m_job->auditLogAsHtml() );
}
void VerifyDetachedBodyPartMemento::slotResult( const VerificationResult & vr )
{
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyDetachedBodyPartMemento::slotResult called";
#endif
saveResult( vr );
m_job = 0;
if ( canStartKeyListJob() && startKeyListJob() ) {
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyDetachedBodyPartMemento: canStartKeyListJob && startKeyListJob";
#endif
return;
}
if ( m_keylistjob )
m_keylistjob->deleteLater();
m_keylistjob = 0;
setRunning( false );
notify();
}
bool VerifyDetachedBodyPartMemento::startKeyListJob()
{
assert( canStartKeyListJob() );
if ( const GpgME::Error err = m_keylistjob->start( keyListPattern() ) )
return false;
connect( m_keylistjob, SIGNAL(done()), this, SLOT(slotKeyListJobDone()) );
connect( m_keylistjob, SIGNAL(nextKey(GpgME::Key)),
this, SLOT(slotNextKey(GpgME::Key)) );
return true;
}
void VerifyDetachedBodyPartMemento::slotNextKey( const GpgME::Key & key )
{
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyDetachedBodyPartMemento::slotNextKey called";
#endif
m_key = key;
}
void VerifyDetachedBodyPartMemento::slotKeyListJobDone()
{
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyDetachedBodyPartMemento::slotKeyListJobDone called";
#endif
m_keylistjob = 0;
setRunning( false );
notify();
}
VerifyOpaqueBodyPartMemento::VerifyOpaqueBodyPartMemento( VerifyOpaqueJob * job,
KeyListJob * klj,
const QByteArray & signature )
: CryptoBodyPartMemento(),
m_signature( signature ),
m_job( job ),
m_keylistjob( klj )
{
assert( m_job );
}
VerifyOpaqueBodyPartMemento::~VerifyOpaqueBodyPartMemento() {
if ( m_job )
m_job->slotCancel();
if ( m_keylistjob )
m_keylistjob->slotCancel();
}
bool VerifyOpaqueBodyPartMemento::start() {
assert( m_job );
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyOpaqueBodyPartMemento started";
#endif
if ( const Error err = m_job->start( m_signature ) ) {
m_vr = VerificationResult( err );
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyOpaqueBodyPartMemento stopped with error";
#endif
return false;
}
connect( m_job, SIGNAL(result(GpgME::VerificationResult,QByteArray)),
this, SLOT(slotResult(GpgME::VerificationResult,QByteArray)) );
setRunning( true );
return true;
}
void VerifyOpaqueBodyPartMemento::exec() {
assert( m_job );
setRunning( true );
QByteArray plainText;
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyOpaqueBodyPartMemento execed";
#endif
saveResult( m_job->exec( m_signature, plainText ), plainText );
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyOpaqueBodyPartMemento after execed";
#endif
m_job->deleteLater(); // exec'ed jobs don't delete themselves
m_job = 0;
if ( canStartKeyListJob() ) {
std::vector<GpgME::Key> keys;
m_keylistjob->exec( keyListPattern(), /*secretOnly=*/false, keys );
if ( !keys.empty() )
m_key = keys.back();
}
if ( m_keylistjob )
m_keylistjob->deleteLater(); // exec'ed jobs don't delete themselves
m_keylistjob = 0;
setRunning( false );
}
bool VerifyOpaqueBodyPartMemento::canStartKeyListJob() const
{
if ( !m_keylistjob )
return false;
const char * const fpr = m_vr.signature( 0 ).fingerprint();
return fpr && *fpr;
}
QStringList VerifyOpaqueBodyPartMemento::keyListPattern() const
{
assert( canStartKeyListJob() );
return QStringList( QString::fromLatin1( m_vr.signature( 0 ).fingerprint() ) );
}
void VerifyOpaqueBodyPartMemento::saveResult( const VerificationResult & vr,
const QByteArray & plainText )
{
assert( m_job );
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyOpaqueBodyPartMemento::saveResult called";
#endif
m_vr = vr;
m_plainText = plainText;
setAuditLog( m_job->auditLogError(), m_job->auditLogAsHtml() );
}
void VerifyOpaqueBodyPartMemento::slotResult( const VerificationResult & vr,
const QByteArray & plainText )
{
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyOpaqueBodyPartMemento::slotResult called";
#endif
saveResult( vr, plainText );
m_job = 0;
if ( canStartKeyListJob() && startKeyListJob() ) {
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyOpaqueBodyPartMemento: canStartKeyListJob && startKeyListJob";
#endif
return;
}
if ( m_keylistjob )
m_keylistjob->deleteLater();
m_keylistjob = 0;
setRunning( false );
notify();
}
bool VerifyOpaqueBodyPartMemento::startKeyListJob()
{
assert( canStartKeyListJob() );
if ( const GpgME::Error err = m_keylistjob->start( keyListPattern() ) )
return false;
connect( m_keylistjob, SIGNAL(done()), this, SLOT(slotKeyListJobDone()) );
connect( m_keylistjob, SIGNAL(nextKey(GpgME::Key)),
this, SLOT(slotNextKey(GpgME::Key)) );
return true;
}
void VerifyOpaqueBodyPartMemento::slotNextKey( const GpgME::Key & key )
{
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyOpaqueBodyPartMemento::slotNextKey called";
#endif
m_key = key;
}
void VerifyOpaqueBodyPartMemento::slotKeyListJobDone()
{
#ifdef DEBUG_SIGNATURE
kDebug() << "tokoe: VerifyOpaqueBodyPartMemento::slotKeyListJobDone called";
#endif
m_keylistjob = 0;
setRunning( false );
notify();
}