src/kgpgme.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Petri Damsten                                   *
   3  *   damu@iki.fi                                                           *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifndef KGPGME_H
  21 #define KGPGME_H
  22
  23 #include <config.h>
  24 //Added by qt3to4:
  25 #include <Q3CString>
  26 #include <Q3ValueList>
  27
  28 #ifdef HAVE_LIBGPGME
  29
  30 #include <gpgme.h>
  31 #include <qstringlist.h>
  32
  33 /**
  34         @author Petri Damsten <damu@iki.fi>
  35 */
  36
  37 class KGpgKey
  38 {
  39         public:
  40                 QString id;
  41                 QString name;
  42                 QString email;
  43 };
  44
  45 typedef Q3ValueList< KGpgKey > KGpgKeyList;
  46
  47 class KGpgMe
  48 {
  49         public:
  50                 KGpgMe();
  51                 ~KGpgMe();
  52
  53                 QString selectKey(QString previous = QString::null);
  54                 KGpgKeyList keys(bool privateKeys = false) const;
  55                 void setText(QString text, bool saving) { m_text = text; m_saving = saving; };
  56                 void setUseGnuPGAgent(bool use) { m_useGnuPGAgent = use; setPassphraseCb(); };
  57                 QString text() const { return m_text; };
  58                 bool saving() const { return m_saving; };
  59                 void clearCache();
  60
  61                 bool encrypt(const QByteArray& inBuffer, Q_ULONG length,
  62                                          QByteArray* outBuffer, QString keyid = QString::null);
  63                 bool decrypt(const QByteArray& inBuffer, QByteArray* outBuffer);
  64
  65                 static QString checkForUtf8(QString txt);
  66                 static bool isGnuPGAgentAvailable();
  67
  68         private:
  69                 gpgme_ctx_t m_ctx;
  70                 QString m_text;
  71                 bool m_saving;
  72                 bool m_useGnuPGAgent;
  73                 Q3CString m_cache;
  74
  75                 void init(gpgme_protocol_t proto);
  76                 gpgme_error_t readToBuffer(gpgme_data_t in, QByteArray* outBuffer) const;
  77                 void setPassphraseCb();
  78                 static gpgme_error_t passphraseCb(void *hook, const char *uid_hint,
  79                                                                                   const char *passphrase_info,
  80                                                                                   int last_was_bad, int fd);
  81                 gpgme_error_t passphrase(const char *uid_hint,
  82                                                                  const char *passphrase_info,
  83                                                                  int last_was_bad, int fd);
  84 };
  85 #endif                                                                                                                            // HAVE_LIBGPGME
  86 #endif                                                                                                                            // KGPGME_H