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             : #ifdef HAVE_CONFIG_H
      35             :  #include "config.h"
      36             : #endif
      37             : 
      38             : #include "qgpgmeverifyopaquejob.h"
      39             : 
      40             : #include "dataprovider.h"
      41             : 
      42             : #include "context.h"
      43             : #include "verificationresult.h"
      44             : #include "data.h"
      45             : 
      46             : #include <QBuffer>
      47             : 
      48             : 
      49             : #include <cassert>
      50             : 
      51             : using namespace QGpgME;
      52             : using namespace GpgME;
      53             : 
      54          10 : QGpgMEVerifyOpaqueJob::QGpgMEVerifyOpaqueJob(Context *context)
      55          10 :     : mixin_type(context)
      56             : {
      57          10 :     lateInitialization();
      58          10 : }
      59             : 
      60          20 : QGpgMEVerifyOpaqueJob::~QGpgMEVerifyOpaqueJob() {}
      61             : 
      62          10 : static QGpgMEVerifyOpaqueJob::result_type verify_opaque(Context *ctx, QThread *thread, const std::weak_ptr<QIODevice> &signedData_, const std::weak_ptr<QIODevice> &plainText_)
      63             : {
      64             : 
      65          10 :     const std::shared_ptr<QIODevice> plainText = plainText_.lock();
      66          20 :     const std::shared_ptr<QIODevice> signedData = signedData_.lock();
      67             : 
      68          20 :     const _detail::ToThreadMover ptMover(plainText,  thread);
      69          20 :     const _detail::ToThreadMover sdMover(signedData, thread);
      70             : 
      71          20 :     QGpgME::QIODeviceDataProvider in(signedData);
      72          20 :     const Data indata(&in);
      73             : 
      74          10 :     if (!plainText) {
      75          10 :         QGpgME::QByteArrayDataProvider out;
      76          20 :         Data outdata(&out);
      77             : 
      78          20 :         const VerificationResult res = ctx->verifyOpaqueSignature(indata, outdata);
      79          20 :         Error ae;
      80          20 :         const QString log = _detail::audit_log_as_html(ctx, ae);
      81          20 :         return std::make_tuple(res, out.data(), log, ae);
      82             :     } else {
      83           0 :         QGpgME::QIODeviceDataProvider out(plainText);
      84           0 :         Data outdata(&out);
      85             : 
      86           0 :         const VerificationResult res = ctx->verifyOpaqueSignature(indata, outdata);
      87           0 :         Error ae;
      88           0 :         const QString log = _detail::audit_log_as_html(ctx, ae);
      89           0 :         return std::make_tuple(res, QByteArray(), log, ae);
      90          10 :     }
      91             : 
      92             : }
      93             : 
      94          10 : static QGpgMEVerifyOpaqueJob::result_type verify_opaque_qba(Context *ctx, const QByteArray &signedData)
      95             : {
      96          10 :     const std::shared_ptr<QBuffer> buffer(new QBuffer);
      97          10 :     buffer->setData(signedData);
      98          10 :     if (!buffer->open(QIODevice::ReadOnly)) {
      99           0 :         assert(!"This should never happen: QBuffer::open() failed");
     100             :     }
     101          10 :     return verify_opaque(ctx, 0, buffer, std::shared_ptr<QIODevice>());
     102             : }
     103             : 
     104           0 : Error QGpgMEVerifyOpaqueJob::start(const QByteArray &signedData)
     105             : {
     106           0 :     run(std::bind(&verify_opaque_qba, std::placeholders::_1, signedData));
     107           0 :     return Error();
     108             : }
     109             : 
     110           0 : void QGpgMEVerifyOpaqueJob::start(const std::shared_ptr<QIODevice> &signedData, const std::shared_ptr<QIODevice> &plainText)
     111             : {
     112           0 :     run(std::bind(&verify_opaque, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4), signedData, plainText);
     113           0 : }
     114             : 
     115          10 : GpgME::VerificationResult QGpgME::QGpgMEVerifyOpaqueJob::exec(const QByteArray &signedData, QByteArray &plainText)
     116             : {
     117          10 :     const result_type r = verify_opaque_qba(context(), signedData);
     118          10 :     plainText = std::get<1>(r);
     119          10 :     resultHook(r);
     120          10 :     return mResult;
     121             : }
     122             : 
     123             : //PENDING(marc) implement showErrorDialog()
     124             : 
     125          10 : void QGpgME::QGpgMEVerifyOpaqueJob::resultHook(const result_type &tuple)
     126             : {
     127          10 :     mResult = std::get<0>(tuple);
     128          10 : }
     129             : #include "qgpgmeverifyopaquejob.moc"