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diff --git a/src/qgpgmebackend.cpp b/src/qgpgmebackend.cpp
new file mode 100644
index 0000000..8256522
--- /dev/null
+++ b/src/qgpgmebackend.cpp
@@ -0,0 +1,153 @@
+/* -*- mode: C++; c-file-style: "gnu" -*-
+ qgpgmebackend.cpp
+
+ This file is part of libkleopatra, the KDE keymanagement library
+ Copyright (c) 2004,2005 Klar舁vdalens Datakonsult AB
+
+ Libkleopatra is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ Libkleopatra is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+ In addition, as a special exception, the copyright holders give
+ permission to link the code of this program with any edition of
+ the Qt library by Trolltech AS, Norway (or with modified versions
+ of Qt that use the same license as Qt), and distribute linked
+ combinations including the two. You must obey the GNU General
+ Public License in all respects for all of the code used other than
+ Qt. If you modify this file, you may extend this exception to
+ your version of the file, but you are not obligated to do so. If
+ you do not wish to do so, delete this exception statement from
+ your version.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "qgpgmebackend.h"
+
+#include "qgpgmecryptoconfig.h"
+#include "cryptplugwrapper.h"
+
+#include <gpgmepp/context.h>
+#include <gpgmepp/engineinfo.h>
+
+#include <klocale.h>
+#include <kstandarddirs.h>
+
+#include <qfile.h>
+#include <qstring.h>
+
+Kleo::QGpgMEBackend::QGpgMEBackend()
+ : Kleo::CryptoBackend(),
+ mCryptoConfig( 0 ),
+ mOpenPGPProtocol( 0 ),
+ mSMIMEProtocol( 0 )
+{
+ GpgME::initializeLibrary();
+}
+
+Kleo::QGpgMEBackend::~QGpgMEBackend() {
+ delete mCryptoConfig; mCryptoConfig = 0;
+ delete mOpenPGPProtocol; mOpenPGPProtocol = 0;
+ delete mSMIMEProtocol; mSMIMEProtocol = 0;
+}
+
+QString Kleo::QGpgMEBackend::name() const {
+ return "gpgme";
+}
+
+QString Kleo::QGpgMEBackend::displayName() const {
+ return i18n( "GpgME" );
+}
+
+Kleo::CryptoConfig * Kleo::QGpgMEBackend::config() const {
+ if ( !mCryptoConfig ) {
+ static bool hasGpgConf = !KStandardDirs::findExe( "gpgconf" ).isEmpty();
+ if ( hasGpgConf )
+ mCryptoConfig = new QGpgMECryptoConfig();
+ }
+ return mCryptoConfig;
+}
+
+static bool check( GpgME::Context::Protocol proto, QString * reason ) {
+ if ( !GpgME::checkEngine( proto ) )
+ return true;
+ if ( !reason )
+ return false;
+ // error, check why:
+ const GpgME::EngineInfo ei = GpgME::engineInfo( proto );
+ if ( ei.isNull() )
+ *reason = i18n("GPGME was compiled without support for %1.").arg( proto == GpgME::Context::CMS ? "S/MIME" : "OpenPGP" );
+ else if ( ei.fileName() && !ei.version() )
+ *reason = i18n("Engine %1 is not installed properly.").arg( QFile::decodeName( ei.fileName() ) );
+ else if ( ei.fileName() && ei.version() && ei.requiredVersion() )
+ *reason = i18n("Engine %1 version %2 installed, "
+ "but at least version %3 is required.")
+ .arg( QFile::decodeName( ei.fileName() ), ei.version(), ei.requiredVersion() );
+ else
+ *reason = i18n("Unknown problem with engine for protocol %1.").arg( proto == GpgME::Context::CMS ? "S/MIME" : "OpenPGP" );
+ return false;
+}
+
+bool Kleo::QGpgMEBackend::checkForOpenPGP( QString * reason ) const {
+ return check( GpgME::Context::OpenPGP, reason );
+}
+
+bool Kleo::QGpgMEBackend::checkForSMIME( QString * reason ) const {
+ return check( GpgME::Context::CMS, reason );
+}
+
+bool Kleo::QGpgMEBackend::checkForProtocol( const char * name, QString * reason ) const {
+ if ( qstricmp( name, OpenPGP ) == 0 )
+ return check( GpgME::Context::OpenPGP, reason );
+ if ( qstricmp( name, SMIME ) == 0 )
+ return check( GpgME::Context::CMS, reason );
+ if ( reason )
+ *reason = i18n( "Unsupported protocol \"%1\"" ).arg( name );
+ return false;
+}
+
+Kleo::CryptoBackend::Protocol * Kleo::QGpgMEBackend::openpgp() const {
+ if ( !mOpenPGPProtocol )
+ if ( checkForOpenPGP() )
+ mOpenPGPProtocol = new CryptPlugWrapper( "gpg", "openpgp" );
+ return mOpenPGPProtocol;
+}
+
+Kleo::CryptoBackend::Protocol * Kleo::QGpgMEBackend::smime() const {
+ if ( !mSMIMEProtocol )
+ if ( checkForSMIME() )
+ mSMIMEProtocol = new CryptPlugWrapper( "gpgsm", "smime" );
+ return mSMIMEProtocol;
+}
+
+Kleo::CryptoBackend::Protocol * Kleo::QGpgMEBackend::protocol( const char * name ) const {
+ if ( qstricmp( name, OpenPGP ) == 0 )
+ return openpgp();
+ if ( qstricmp( name, SMIME ) == 0 )
+ return smime();
+ return 0;
+}
+
+bool Kleo::QGpgMEBackend::supportsProtocol( const char * name ) const {
+ return qstricmp( name, OpenPGP ) == 0 || qstricmp( name, SMIME ) == 0;
+}
+
+const char * Kleo::QGpgMEBackend::enumerateProtocols( int i ) const {
+ switch ( i ) {
+ case 0: return OpenPGP;
+ case 1: return SMIME;
+ default: return 0;
+ }
+}

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