certmanager/lib

cryptplugfactory.cpp

00001 /*
00002     cryptplugfactory.cpp
00003 
00004     This file is part of libkleopatra, the KDE key management library
00005     Copyright (c) 2001,2004 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 "cryptplugfactory.h"
00038 #include "cryptplugwrapperlist.h"
00039 
00040 #include <kconfig.h>
00041 #include <klocale.h>
00042 #include <kdebug.h>
00043 #include <kmessagebox.h>
00044 #include <kapplication.h>
00045 
00046 #include <assert.h>
00047 
00048 KMail::CryptPlugFactory * KMail::CryptPlugFactory::mSelf = 0;
00049 
00050 //
00051 //
00052 // KMail::CryptPlugFactory: backwards compat stuff (ugly)
00053 //
00054 //
00055 
00056 
00057 KMail::CryptPlugFactory::CryptPlugFactory()
00058   : Kleo::CryptoBackendFactory(),
00059     mCryptPlugWrapperList( 0 )
00060 {
00061   mSelf = this;
00062 
00063   mCryptPlugWrapperList = new CryptPlugWrapperList();
00064   mCryptPlugWrapperList->setAutoDelete( false );
00065   updateCryptPlugWrapperList();
00066 }
00067 
00068 KMail::CryptPlugFactory::~CryptPlugFactory() {
00069   mSelf = 0;
00070   delete mCryptPlugWrapperList; mCryptPlugWrapperList = 0;
00071 }
00072 
00073 KMail::CryptPlugFactory * KMail::CryptPlugFactory::instance() {
00074   if ( !mSelf )
00075     mSelf = new CryptPlugFactory();
00076   return mSelf;
00077 }
00078 
00079 CryptPlugWrapper * KMail::CryptPlugFactory::active() const {
00080   if ( smime() && smime()->active() )
00081     return smime();
00082   if ( openpgp() && openpgp()->active() )
00083     return openpgp();
00084   return 0;
00085 }
00086 
00087 CryptPlugWrapper * KMail::CryptPlugFactory::createForProtocol( const QString & proto ) const {
00088   QString p = proto.lower();
00089   if ( p == "application/pkcs7-signature" || p == "application/x-pkcs7-signature" )
00090     return smime();
00091   if ( p == "application/pgp-signature" || p == "application/x-pgp-signature" )
00092     return openpgp();
00093   return 0;
00094 }
00095 
00096 CryptPlugWrapper * KMail::CryptPlugFactory::smime() const {
00097   return mCryptPlugWrapperList->findForLibName( "smime" );
00098 }
00099 
00100 CryptPlugWrapper * KMail::CryptPlugFactory::openpgp() const {
00101   return mCryptPlugWrapperList->findForLibName( "openpgp" );
00102 }
00103 
00104 void KMail::CryptPlugFactory::scanForBackends( QStringList * reason ) {
00105   Kleo::CryptoBackendFactory::scanForBackends( reason );
00106   updateCryptPlugWrapperList();
00107 }
00108 
00109 void KMail::CryptPlugFactory::updateCryptPlugWrapperList() {
00110   mCryptPlugWrapperList->clear();
00111   for ( std::vector<Kleo::CryptoBackend*>::const_iterator it = mBackendList.begin() ; it != mBackendList.end() ; ++it ) {
00112     if ( CryptPlugWrapper * w = dynamic_cast<CryptPlugWrapper*>( (*it)->openpgp() ) )
00113       mCryptPlugWrapperList->append( w );
00114     if ( CryptPlugWrapper * w = dynamic_cast<CryptPlugWrapper*>( (*it)->smime() ) )
00115       mCryptPlugWrapperList->append( w );
00116   }
00117 }
00118 
00119 #include "cryptplugfactory.moc"
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