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