Line data    Source code

       1             : /*
       2             :     qgpgmeverifyopaquejob.cpp
       3             : 
       4             :     This file is part of qgpgme, the Qt API binding for gpgme
       5             :     Copyright (c) 2004,2007,2008 Klarälvdalens Datakonsult AB
       6             :     Copyright (c) 2016 by Bundesamt für Sicherheit in der Informationstechnik
       7             :     Software engineering by Intevation GmbH
       8             : 
       9             :     QGpgME is free software; you can redistribute it and/or
      10             :     modify it under the terms of the GNU General Public License as
      11             :     published by the Free Software Foundation; either version 2 of the
      12             :     License, or (at your option) any later version.
      13             : 
      14             :     QGpgME is distributed in the hope that it will be useful,
      15             :     but WITHOUT ANY WARRANTY; without even the implied warranty of
      16             :     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17             :     General Public License for more details.
      18             : 
      19             :     You should have received a copy of the GNU General Public License along
      20             :     with this program; if not, write to the Free Software Foundation, Inc.,
      21             :     51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
      22             : 
      23             :     In addition, as a special exception, the copyright holders give
      24             :     permission to link the code of this program with any edition of
      25             :     the Qt library by Trolltech AS, Norway (or with modified versions
      26             :     of Qt that use the same license as Qt), and distribute linked
      27             :     combinations including the two.  You must obey the GNU General
      28             :     Public License in all respects for all of the code used other than
      29             :     Qt.  If you modify this file, you may extend this exception to
      30             :     your version of the file, but you are not obligated to do so.  If
      31             :     you do not wish to do so, delete this exception statement from
      32             :     your version.
      33             : */
      34             : 
      35             : #ifdef HAVE_CONFIG_H
      36             :  #include "config.h"
      37             : #endif
      38             : 
      39             : #include "qgpgmeverifyopaquejob.h"
      40             : 
      41             : #include "dataprovider.h"
      42             : 
      43             : #include "context.h"
      44             : #include "verificationresult.h"
      45             : #include "data.h"
      46             : 
      47             : #include <QBuffer>
      48             : 
      49             : 
      50             : #include <cassert>
      51             : 
      52             : using namespace QGpgME;
      53             : using namespace GpgME;
      54             : 
      55          13 : QGpgMEVerifyOpaqueJob::QGpgMEVerifyOpaqueJob(Context *context)
      56          13 :     : mixin_type(context)
      57             : {
      58          13 :     lateInitialization();
      59          13 : }
      60             : 
      61          26 : QGpgMEVerifyOpaqueJob::~QGpgMEVerifyOpaqueJob() {}
      62             : 
      63          13 : static QGpgMEVerifyOpaqueJob::result_type verify_opaque(Context *ctx, QThread *thread, const std::weak_ptr<QIODevice> &signedData_, const std::weak_ptr<QIODevice> &plainText_)
      64             : {
      65             : 
      66          26 :     const std::shared_ptr<QIODevice> plainText = plainText_.lock();
      67          26 :     const std::shared_ptr<QIODevice> signedData = signedData_.lock();
      68             : 
      69          26 :     const _detail::ToThreadMover ptMover(plainText,  thread);
      70          26 :     const _detail::ToThreadMover sdMover(signedData, thread);
      71             : 
      72          26 :     QGpgME::QIODeviceDataProvider in(signedData);
      73          26 :     const Data indata(&in);
      74             : 
      75          13 :     if (!plainText) {
      76          26 :         QGpgME::QByteArrayDataProvider out;
      77          26 :         Data outdata(&out);
      78             : 
      79          26 :         const VerificationResult res = ctx->verifyOpaqueSignature(indata, outdata);
      80          26 :         Error ae;
      81          26 :         const QString log = _detail::audit_log_as_html(ctx, ae);
      82          13 :         return std::make_tuple(res, out.data(), log, ae);
      83             :     } else {
      84           0 :         QGpgME::QIODeviceDataProvider out(plainText);
      85           0 :         Data outdata(&out);
      86             : 
      87           0 :         const VerificationResult res = ctx->verifyOpaqueSignature(indata, outdata);
      88           0 :         Error ae;
      89           0 :         const QString log = _detail::audit_log_as_html(ctx, ae);
      90           0 :         return std::make_tuple(res, QByteArray(), log, ae);
      91             :     }
      92             : 
      93             : }
      94             : 
      95          13 : static QGpgMEVerifyOpaqueJob::result_type verify_opaque_qba(Context *ctx, const QByteArray &signedData)
      96             : {
      97          26 :     const std::shared_ptr<QBuffer> buffer(new QBuffer);
      98          13 :     buffer->setData(signedData);
      99          13 :     if (!buffer->open(QIODevice::ReadOnly)) {
     100           0 :         assert(!"This should never happen: QBuffer::open() failed");
     101             :     }
     102          26 :     return verify_opaque(ctx, 0, buffer, std::shared_ptr<QIODevice>());
     103             : }
     104             : 
     105           0 : Error QGpgMEVerifyOpaqueJob::start(const QByteArray &signedData)
     106             : {
     107           0 :     run(std::bind(&verify_opaque_qba, std::placeholders::_1, signedData));
     108           0 :     return Error();
     109             : }
     110             : 
     111           0 : void QGpgMEVerifyOpaqueJob::start(const std::shared_ptr<QIODevice> &signedData, const std::shared_ptr<QIODevice> &plainText)
     112             : {
     113           0 :     run(std::bind(&verify_opaque, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4), signedData, plainText);
     114           0 : }
     115             : 
     116          13 : GpgME::VerificationResult QGpgME::QGpgMEVerifyOpaqueJob::exec(const QByteArray &signedData, QByteArray &plainText)
     117             : {
     118          26 :     const result_type r = verify_opaque_qba(context(), signedData);
     119          13 :     plainText = std::get<1>(r);
     120          13 :     resultHook(r);
     121          26 :     return mResult;
     122             : }
     123             : 
     124             : //PENDING(marc) implement showErrorDialog()
     125             : 
     126          13 : void QGpgME::QGpgMEVerifyOpaqueJob::resultHook(const result_type &tuple)
     127             : {
     128          13 :     mResult = std::get<0>(tuple);
     129          13 : }
     130             : #include "qgpgmeverifyopaquejob.moc"