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/*
* context.h
*
* Copyright 2008 gpg4usb-team <[email protected]>
*
* This program 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.
*
* This program 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.
*/
#ifndef __SGPGMEPP_CONTEXT_H__
#define __SGPGMEPP_CONTEXT_H__
#include <locale.h>
#include <errno.h>
#include <gpgme.h>
#include <QLinkedList>
#include <QtGui>
QT_BEGIN_NAMESPACE
class QMessageBox;
class sstream;
class QApplication;
class QByteArray;
class QString;
QT_END_NAMESPACE
class GpgKey
{
public:
GpgKey() {
privkey = false;
}
QString id;
QString name;
QString email;
QString fpr;
bool privkey;
bool expired;
};
typedef QLinkedList< GpgKey > GpgKeyList;
namespace GpgME
{
class Context : public QObject
{
Q_OBJECT
public:
Context(); // Constructor
~Context(); // Destructor
void importKey(QByteArray inBuffer);
bool exportKeys(QStringList *uidList, QByteArray *outBuffer);
void generateKey(QString *params);
GpgKeyList listKeys();
void deleteKeys(QStringList *uidList);
bool encrypt(QStringList *uidList, const QByteArray &inBuffer,
QByteArray *outBuffer);
bool decrypt(const QByteArray &inBuffer, QByteArray *outBuffer);
void clearPasswordCache();
void exportSecretKey(QString uid, QByteArray *outBuffer);
gpgme_key_t getKeyDetails(QString uid);
gpgme_signature_t verify(QByteArray in);
// void decryptVerify(QByteArray in);
bool sign(QStringList *uidList, const QByteArray &inBuffer, QByteArray *outBuffer );
/**
* @details If text contains PGP-message, put a linebreak before the message,
* so that gpgme can decrypt correctly
*
* @param in Pointer to the QBytearray to check.
*/
void preventNoDataErr(QByteArray *in);
/**
* @brief
*
* @param text
* @return \li 2, if the text is completly signed,
* \li 1, if the text is partially signed,
* \li 0, if the text is not signed at all.
*/
int textIsSigned(const QByteArray &text);
QString beautifyFingerprint(QString fingerprint);
signals:
void keyDBChanged();
private:
gpgme_ctx_t mCtx;
gpgme_data_t in, out;
gpgme_error_t err;
gpgme_error_t readToBuffer(gpgme_data_t in, QByteArray *outBuffer);
QByteArray mPasswordCache;
QSettings settings;
bool debug;
int checkErr(gpgme_error_t err) const;
int checkErr(gpgme_error_t err, QString comment) const;
static gpgme_error_t passphraseCb(void *hook, const char *uid_hint,
const char *passphrase_info,
int last_was_bad, int fd);
gpgme_error_t passphrase(const char *uid_hint,
const char *passphrase_info,
int last_was_bad, int fd);
void executeGpgCommand(QStringList arguments,
QByteArray *stdOut,
QByteArray *stdErr);
};
} // namespace GpgME
#endif // __SGPGMEPP_CONTEXT_H__
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