certmanager/lib

qgpgmesecretkeyexportjob.cpp

00001 /*
00002     qgpgmesecretexportjob.cpp
00003 
00004     This file is part of libkleopatra, the KDE keymanagement library
00005     Copyright (c) 2004 Klarälvdalens Datakonsult AB
00006 
00007     Libkleopatra is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU General Public License as
00009     published by the Free Software Foundation; either version 2 of the
00010     License, or (at your option) any later version.
00011 
00012     Libkleopatra is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     General Public License for more details.
00016 
00017     You should have received a copy of the GNU General Public License
00018     along with this program; if not, write to the Free Software
00019     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021     In addition, as a special exception, the copyright holders give
00022     permission to link the code of this program with any edition of
00023     the Qt library by Trolltech AS, Norway (or with modified versions
00024     of Qt that use the same license as Qt), and distribute linked
00025     combinations including the two.  You must obey the GNU General
00026     Public License in all respects for all of the code used other than
00027     Qt.  If you modify this file, you may extend this exception to
00028     your version of the file, but you are not obligated to do so.  If
00029     you do not wish to do so, delete this exception statement from
00030     your version.
00031 */
00032 
00033 #ifdef HAVE_CONFIG_H
00034 #include <config.h>
00035 #endif
00036 
00037 #include "qgpgmesecretkeyexportjob.h"
00038 
00039 #include "gnupgprocessbase.h"
00040 #include "qgpgmeprogresstokenmapper.h"
00041 
00042 #include <kdebug.h>
00043 
00044 #include <gpgmepp/context.h>
00045 #include <gpgmepp/data.h>
00046 
00047 #include <qgpgme/eventloopinteractor.h>
00048 
00049 #include <qstringlist.h>
00050 
00051 #include <gpg-error.h>
00052 
00053 #include <string.h>
00054 #include <assert.h>
00055 
00056 Kleo::QGpgMESecretKeyExportJob::QGpgMESecretKeyExportJob( bool armour, const QString& charset )
00057   : ExportJob( QGpgME::EventLoopInteractor::instance(), "Kleo::QGpgMESecretKeyExportJob" ),
00058     mProcess( 0 ),
00059     mError( 0 ),
00060     mArmour( armour ),
00061     mCharset( charset )
00062 {
00063 
00064 }
00065 
00066 Kleo::QGpgMESecretKeyExportJob::~QGpgMESecretKeyExportJob() {
00067 
00068 }
00069 
00070 GpgME::Error Kleo::QGpgMESecretKeyExportJob::start( const QStringList & patterns ) {
00071   assert( mKeyData.isEmpty() );
00072 
00073   if ( patterns.size() != 1 || patterns.front().isEmpty() ) {
00074     deleteLater();
00075     return mError = gpg_err_make( GPG_ERR_SOURCE_GPGSM, GPG_ERR_INV_VALUE );
00076   }
00077 
00078   // create and start gpgsm process:
00079   mProcess = new GnuPGProcessBase( this, "gpgsm --export-secret-key-p12" );
00080 
00081   // FIXME: obtain the path to gpgsm from gpgme, so we use the same instance.
00082   *mProcess << "gpgsm" << "--export-secret-key-p12";
00083   if ( mArmour )
00084     *mProcess << "--armor";
00085   if ( !mCharset.isEmpty() )
00086     *mProcess << "--p12-charset" << mCharset;
00087   *mProcess << patterns.front().utf8();
00088 
00089   mProcess->setUseStatusFD( true );
00090 
00091   connect( mProcess, SIGNAL(processExited(KProcess*)),
00092        SLOT(slotProcessExited(KProcess*)) );
00093   connect( mProcess, SIGNAL(receivedStdout(KProcess*,char*,int)),
00094        SLOT(slotStdout(KProcess*,char*,int)) );
00095   connect( mProcess, SIGNAL(receivedStderr(KProcess*,char*,int)),
00096        SLOT(slotStderr(KProcess*,char*,int)) );
00097   connect( mProcess, SIGNAL(status(Kleo::GnuPGProcessBase*,const QString&,const QStringList&)),
00098        SLOT(slotStatus(Kleo::GnuPGProcessBase*,const QString&,const QStringList&)) );
00099 
00100   if ( !mProcess->start( KProcess::NotifyOnExit, KProcess::AllOutput ) ) {
00101     mError = gpg_err_make( GPG_ERR_SOURCE_GPGSM, GPG_ERR_ENOENT ); // what else?
00102     deleteLater();
00103     return mError;
00104   } else
00105     return 0;
00106 }
00107 
00108 void Kleo::QGpgMESecretKeyExportJob::slotCancel() {
00109   if ( mProcess )
00110     mProcess->kill();
00111   mProcess = 0;
00112   mError = gpg_err_make( GPG_ERR_SOURCE_GPGSM, GPG_ERR_CANCELED );
00113 }
00114 
00115 void Kleo::QGpgMESecretKeyExportJob::slotStatus( GnuPGProcessBase * proc, const QString & type, const QStringList & args ) {
00116   if ( proc != mProcess )
00117     return;
00118   QStringList::const_iterator it = args.begin();
00119   bool ok = false;
00120 
00121   if ( type == "ERROR" ) {
00122 
00123 
00124     if ( args.size() < 2 ) {
00125       kdDebug( 5150 ) << "Kleo::QGpgMESecretKeyExportJob::slotStatus() not recognising ERROR with < 2 args!" << endl;
00126       return;
00127     }
00128     const int source = (*++it).toInt( &ok );
00129     if ( !ok ) {
00130       kdDebug( 5150 ) << "Kleo::QGpgMESecretKeyExportJob::slotStatus() expected number for first ERROR arg, got something else" << endl;
00131       return;
00132     }
00133     ok = false;
00134     const int code = (*++it).toInt( &ok );
00135     if ( !ok ) {
00136       kdDebug( 5150 ) << "Kleo::QGpgMESecretKeyExportJob::slotStatus() expected number for second ERROR arg, got something else" << endl;
00137       return;
00138     }
00139     mError = gpg_err_make( (gpg_err_source_t)source, (gpg_err_code_t)code );
00140 
00141 
00142   } else if ( type == "PROGRESS" ) {
00143 
00144 
00145     if ( args.size() < 4 ) {
00146       kdDebug( 5150 ) << "Kleo::QGpgMESecretKeyExportJob::slotStatus() not recognising PROGRESS with < 4 args!" << endl;
00147       return;
00148     }
00149     const QString what = *++it;
00150     ++it; // don't use "type"...
00151     const int cur = (*++it).toInt( &ok );
00152     if ( !ok ) {
00153       kdDebug( 5150 ) << "Kleo::QGpgMESecretKeyExportJob::slotStatus() expected number for \"cur\", got something else" << endl;
00154       return;
00155     }
00156     ok = false;
00157     const int total = (*++it).toInt( &ok );
00158     if ( !ok ) {
00159       kdDebug( 5150 ) << "Kleo::QGpgMESecretKeyExportJob::slotStatus() expected number for \"total\", got something else" << endl;
00160       return;
00161     }
00162     emit progress( QGpgMEProgressTokenMapper::instance()->map( what, 0, cur, total ), cur, total );
00163 
00164 
00165   }
00166 }
00167 
00168 void Kleo::QGpgMESecretKeyExportJob::slotStdout( KProcess * proc, char * buf, int buflen ) {
00169   if ( proc != mProcess )
00170     return;
00171   if ( buflen <= 0 )
00172     return;
00173   if ( !buf )
00174     return;
00175   const unsigned int oldlen = mKeyData.size();
00176   mKeyData.resize( oldlen + buflen );
00177   memcpy( mKeyData.data() + oldlen, buf, buflen );
00178 }
00179 
00180 void Kleo::QGpgMESecretKeyExportJob::slotStderr( KProcess *, char *, int ) {
00181   // implement? or not?
00182 }
00183 
00184 void Kleo::QGpgMESecretKeyExportJob::slotProcessExited( KProcess * proc ) {
00185   if ( proc != mProcess )
00186     return;
00187 
00188   emit done();
00189   if ( !mError &&
00190        ( !mProcess->normalExit() || mProcess->exitStatus() != 0 ) )
00191     mError = gpg_err_make( GPG_ERR_SOURCE_GPGSM, GPG_ERR_GENERAL );
00192   emit result( mError, mKeyData );
00193   deleteLater();
00194 }
00195 
00196 #include "qgpgmesecretkeyexportjob.moc"