Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 153 insertions, 0 deletions

diff --git a/certmanager/lib/backends/qgpgme/qgpgmebackend.cpp b/certmanager/lib/backends/qgpgme/qgpgmebackend.cpp
new file mode 100644
index 000000000..8256522ae
--- /dev/null
+++ b/certmanager/lib/backends/qgpgme/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 Klarälvdalens 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;
+  }
+}