messagecomposer/attachmentfrompublickeyjob.cpp

   1 /*
   2   Copyright (c) 2009 Constantin Berzan <exit3219@gmail.com>
   3
   4   Based on KMail code by:
   5   Various authors.
   6
   7   This program is free software; you can redistribute it and/or
   8   modify it under the terms of the GNU General Public License as
   9   published by the Free Software Foundation; either version 2 of
  10   the License or (at your option) version 3 or any later version
  11   accepted by the membership of KDE e.V. (or its successor approved
  12   by the membership of KDE e.V.), which shall act as a proxy
  13   defined in Section 14 of version 3 of the license.
  14
  15   This program is distributed in the hope that it will be useful,
  16   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18   GNU General Public License for more details.
  19
  20   You should have received a copy of the GNU General Public License
  21   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22 */
  23
  24 #include "attachmentfrompublickeyjob.h"
  25
  26 #include <boost/shared_ptr.hpp>
  27
  28 #include <KDebug>
  29 #include <kdialogjobuidelegate.h> // FIXME add CamelCase header in kdelibs/kdeui
  30 #include <KLocalizedString>
  31
  32 #include <kleo/cryptobackendfactory.h>
  33 #include <kleo/exportjob.h>
  34 #include <libkleo/ui/progressdialog.h>
  35
  36 using namespace Message;
  37 using namespace KPIM;
  38
  39 class Message::AttachmentFromPublicKeyJob::Private
  40 {
  41   public:
  42     Private( AttachmentFromPublicKeyJob *qq );
  43
  44     void exportResult( const GpgME::Error &error, const QByteArray &keyData ); // slot
  45     void emitGpgError( const GpgME::Error &error );
  46
  47     AttachmentFromPublicKeyJob *const q;
  48     QString fingerprint;
  49     QByteArray data;
  50 };
  51
  52 AttachmentFromPublicKeyJob::Private::Private( AttachmentFromPublicKeyJob *qq )
  53   : q( qq )
  54 {
  55 }
  56
  57 void AttachmentFromPublicKeyJob::Private::exportResult( const GpgME::Error &error, const QByteArray &keyData )
  58 {
  59   if( error ) {
  60     emitGpgError( error );
  61     return;
  62   }
  63
  64   // Create the AttachmentPart.
  65   AttachmentPart::Ptr part = AttachmentPart::Ptr( new AttachmentPart );
  66   part->setName( i18n( "OpenPGP key 0x%1", fingerprint ) );
  67   part->setFileName( QString::fromLatin1( "0x" + fingerprint.toLatin1() + ".asc" ) );
  68   part->setMimeType( "application/pgp-keys" );
  69   part->setData( keyData );
  70
  71   q->setAttachmentPart( part );
  72   q->emitResult(); // Success.
  73 }
  74
  75 void AttachmentFromPublicKeyJob::Private::emitGpgError( const GpgME::Error &error )
  76 {
  77   Q_ASSERT( error );
  78   const QString msg = i18n( "<p>An error occurred while trying to export "
  79          "the key from the backend:</p>"
  80          "<p><b>%1</b></p>",
  81          QString::fromLocal8Bit( error.asString() ) );
  82   q->setError( KJob::UserDefinedError );
  83   q->setErrorText( msg );
  84   q->emitResult();
  85 }
  86
  87
  88
  89 AttachmentFromPublicKeyJob::AttachmentFromPublicKeyJob( const QString &fingerprint, QObject *parent )
  90   : AttachmentLoadJob( parent )
  91   , d( new Private( this ) )
  92 {
  93   d->fingerprint = fingerprint;
  94 }
  95
  96 AttachmentFromPublicKeyJob::~AttachmentFromPublicKeyJob()
  97 {
  98   delete d;
  99 }
 100
 101 QString AttachmentFromPublicKeyJob::fingerprint() const
 102 {
 103   return d->fingerprint;
 104 }
 105
 106 void AttachmentFromPublicKeyJob::setFingerprint( const QString &fingerprint )
 107 {
 108   d->fingerprint = fingerprint;
 109 }
 110
 111 void AttachmentFromPublicKeyJob::doStart()
 112 {
 113   Kleo::ExportJob *job = Kleo::CryptoBackendFactory::instance()->openpgp()->publicKeyExportJob( true );
 114   Q_ASSERT( job );
 115   QObject::connect( job, SIGNAL(result(GpgME::Error,QByteArray)),
 116       this, SLOT(exportResult(GpgME::Error,QByteArray)) );
 117
 118   const GpgME::Error error = job->start( QStringList( d->fingerprint ) );
 119   if( error ) {
 120     d->emitGpgError( error );
 121     // TODO check autodeletion policy of Kleo::Jobs...
 122     return;
 123   } else if( uiDelegate() ) {
 124     Q_ASSERT( dynamic_cast<KDialogJobUiDelegate*>( uiDelegate() ) );
 125     KDialogJobUiDelegate *delegate = static_cast<KDialogJobUiDelegate*>( uiDelegate() );
 126     (void)new Kleo::ProgressDialog( job, i18n( "Exporting key..." ),
 127                                     delegate->window() );
 128   }
 129 }
 130
 131 #include "attachmentfrompublickeyjob.moc"