kleojobexecutor.cpp

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/*
    Copyright (c) 2008 Volker Krause <vkrause@kde.org>

    This program 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.

    This program 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.
*/



#include "kleojobexecutor.h"

#include <kleo/decryptverifyjob.h>
#include <kleo/importjob.h>
#include <kleo/verifydetachedjob.h>
#include <kleo/verifyopaquejob.h>

#include <kdebug.h>

#include <QBuffer>
#include <QEventLoop>

#include <cassert>

using namespace Kleo;
using namespace GpgME;
using namespace MessageViewer;
using boost::shared_ptr;

KleoJobExecutor::KleoJobExecutor( QObject* parent ) : QObject( parent )
{
    setObjectName( QLatin1String("KleoJobExecutor") );
    mEventLoop = new QEventLoop( this );
}


GpgME::VerificationResult KleoJobExecutor::exec(
        Kleo::VerifyDetachedJob* job,
        const QByteArray & signature,
        const QByteArray & signedData )
{
    kDebug() << "Starting detached verification job";
    connect( job, SIGNAL(result(GpgME::VerificationResult)),
             SLOT(verificationResult(GpgME::VerificationResult)) );
    GpgME::Error err = job->start( signature, signedData );
    if ( err )
        return VerificationResult( err );
    mEventLoop->exec( QEventLoop::ExcludeUserInputEvents );
    return mVerificationResult;
}

GpgME::VerificationResult KleoJobExecutor::exec(
        Kleo::VerifyOpaqueJob * job,
        const QByteArray & signedData,
        QByteArray & plainText )
{
    kDebug() << "Starting opaque verification job";
    connect( job, SIGNAL(result(GpgME::VerificationResult,QByteArray)),
             SLOT(verificationResult(GpgME::VerificationResult,QByteArray)) );
    GpgME::Error err = job->start( signedData );
    if ( err ) {
        plainText.clear();
        return VerificationResult( err );
    }
    mEventLoop->exec( QEventLoop::ExcludeUserInputEvents );
    plainText = mData;
    return mVerificationResult;
}

std::pair< GpgME::DecryptionResult, GpgME::VerificationResult > KleoJobExecutor::exec(
        Kleo::DecryptVerifyJob * job,
        const QByteArray & cipherText,
        QByteArray & plainText )
{
    kDebug() << "Starting decryption job";
    connect( job, SIGNAL(result(GpgME::DecryptionResult,GpgME::VerificationResult,QByteArray)),
             SLOT(decryptResult(GpgME::DecryptionResult,GpgME::VerificationResult,QByteArray)) );
    GpgME::Error err = job->start( cipherText );
    if ( err ) {
        plainText.clear();
        return std::make_pair( DecryptionResult( err ), VerificationResult( err ) );
    }
    mEventLoop->exec( QEventLoop::ExcludeUserInputEvents );
    plainText = mData;
    return std::make_pair( mDecryptResult, mVerificationResult );
}

GpgME::ImportResult KleoJobExecutor::exec(Kleo::ImportJob* job, const QByteArray & certData)
{
    connect( job, SIGNAL(result(GpgME::ImportResult)), SLOT(importResult(GpgME::ImportResult)) );
    GpgME::Error err = job->start( certData );
    if ( err )
        return ImportResult( err );
    mEventLoop->exec( QEventLoop::ExcludeUserInputEvents );
    return mImportResult;
}

void KleoJobExecutor::verificationResult(const GpgME::VerificationResult & result)
{
    kDebug() << "Detached verification job finished";
    Kleo::Job * job = dynamic_cast<Kleo::Job*>( sender() );
    assert(job);
    mVerificationResult = result;
    mAuditLogError = job->auditLogError();
    mAuditLog = job->auditLogAsHtml();
    mEventLoop->quit();
}

void KleoJobExecutor::verificationResult(const GpgME::VerificationResult & result, const QByteArray & plainText)
{
    kDebug() << "Opaque verification job finished";
    Kleo::Job * job = dynamic_cast<Kleo::Job*>( sender() );
    assert(job);
    mVerificationResult = result;
    mData = plainText;
    mAuditLogError = job->auditLogError();
    mAuditLog = job->auditLogAsHtml();
    mEventLoop->quit();
}

void KleoJobExecutor::decryptResult(
        const GpgME::DecryptionResult & decryptionresult,
        const GpgME::VerificationResult & verificationresult,
        const QByteArray & plainText )
{
    kDebug() << "Decryption job finished";
    Kleo::Job * job = dynamic_cast<Kleo::Job*>( sender() );
    assert(job);
    mVerificationResult = verificationresult;
    mDecryptResult = decryptionresult;
    mData = plainText;
    mAuditLogError = job->auditLogError();
    mAuditLog = job->auditLogAsHtml();
    mEventLoop->quit();
}

void KleoJobExecutor::importResult(const GpgME::ImportResult & result)
{
    Kleo::Job * job = dynamic_cast<Kleo::Job*>( sender() );
    assert(job);
    mImportResult = result;
    mAuditLogError = job->auditLogError();
    mAuditLog = job->auditLogAsHtml();
    mEventLoop->quit();
}


QString KleoJobExecutor::auditLogAsHtml() const
{
    return mAuditLog;
}