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/**
* This file is part of GPGFrontend.
*
* GPGFrontend 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 3 of the License, or
* (at your option) any later version.
*
* Foobar 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 Foobar. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from gpg4usb-team.
* Their source code version also complies with GNU General Public License.
*
* The source code version of this software was modified and released
* by Saturneric<[email protected]> starting on May 12, 2021.
*
*/
#ifndef __SGPGMEPP_CONTEXT_H__
#define __SGPGMEPP_CONTEXT_H__
#include <GpgFrontend.h>
#include "GpgConstants.h"
#include "GpgGenKeyInfo.h"
#include "GpgKey.h"
using GpgKeyList = std::list<GpgKey>;
class GpgImportedKey {
public:
QString fpr;
int importStatus;
};
typedef std::list<GpgImportedKey> GpgImportedKeyList;
class GpgImportInformation {
public:
GpgImportInformation() = default;
int considered = 0;
int no_user_id = 0;
int imported = 0;
int imported_rsa = 0;
int unchanged = 0;
int new_user_ids = 0;
int new_sub_keys = 0;
int new_signatures = 0;
int new_revocations = 0;
int secret_read = 0;
int secret_imported = 0;
int secret_unchanged = 0;
int not_imported = 0;
GpgImportedKeyList importedKeys;
};
namespace GpgME {
class GpgContext : public QObject {
Q_OBJECT
public:
GpgContext();
~GpgContext() override;
[[nodiscard]] bool isGood() const;
GpgImportInformation importKey(QByteArray inBuffer);
[[nodiscard]] const GpgKeyList &getKeys() const;
bool exportKeys(QStringList *uidList, QByteArray *outBuffer);
bool exportKeys(const QVector<GpgKey> &keys, QByteArray &outBuffer);
bool generateKey(GenKeyInfo *params);
bool generateSubkey(const GpgKey &key, GenKeyInfo *params);
void deleteKeys(QStringList *uidList);
gpg_error_t encrypt(QVector<GpgKey> &keys, const QByteArray &inBuffer, QByteArray *outBuffer,
gpgme_encrypt_result_t *result);
gpgme_error_t encryptSign(QVector<GpgKey> &keys, const QByteArray &inBuffer, QByteArray *outBuffer,
gpgme_encrypt_result_t *encr_result, gpgme_sign_result_t *sign_result);
gpgme_error_t decrypt(const QByteArray &inBuffer, QByteArray *outBuffer, gpgme_decrypt_result_t *result);
gpgme_error_t
decryptVerify(const QByteArray &inBuffer, QByteArray *outBuffer, gpgme_decrypt_result_t *decrypt_result,
gpgme_verify_result_t *verify_result);
void clearPasswordCache();
bool exportSecretKey(const GpgKey &key, QByteArray *outBuffer);
void getSigners(QVector<GpgKey> &signer);
void setSigners(const QVector<GpgKey> &keys);
bool signKey(const GpgKey &target, const QString &uid, const QDateTime *expires);
bool revSign(const GpgKey &key, const GpgKeySignature &signature);
gpgme_error_t verify(QByteArray *inBuffer, QByteArray *sigBuffer, gpgme_verify_result_t *result);
gpg_error_t
sign(const QVector<GpgKey> &keys, const QByteArray &inBuffer, QByteArray *outBuffer, bool detached = false,
gpgme_sign_result_t *result = nullptr);
bool addUID(const GpgKey &key, const GpgUID &uid);
bool revUID(const GpgKey &key, const GpgUID &uid);
bool setPrimaryUID(const GpgKey &key, const GpgUID &uid);
bool setExpire(const GpgKey &key, const GpgSubKey *subkey, QDateTime *expires);
QProcess * generateRevokeCert(const GpgKey &key, const QString &outputFileName);
static bool checkIfKeyCanSign(const GpgKey &key);
static bool checkIfKeyCanCert(const GpgKey &key);
static bool checkIfKeyCanAuth(const GpgKey &key);
static bool checkIfKeyCanEncr(const GpgKey &key);
/**
* @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.
*/
static void preventNoDataErr(QByteArray *in);
GpgKey getKeyByFpr(const QString &fpr);
const GpgKey &getKeyById(const QString &id);
static QString gpgErrString(gpgme_error_t err);
static QString getGpgmeVersion();
/**
* @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.
*/
static int textIsSigned(const QByteArray &text);
static QString beautifyFingerprint(QString fingerprint);
signals:
void signalKeyDBChanged();
void signalKeyUpdated(QString key_id);
void signalKeyInfoChanged();
private slots:
void slotRefreshKeyList();
void slotUpdateKeyList(const QString &key_id);
private:
gpgme_ctx_t mCtx{};
gpgme_data_t in{};
gpgme_error_t err;
bool debug;
bool good = true;
static gpgme_error_t readToBuffer(gpgme_data_t dataIn, QByteArray *outBuffer);
QByteArray mPasswordCache;
QSettings settings;
GpgKeyList mKeyList;
QMap<QString, GpgKey *> mKeyMap;
void fetch_keys();
static void checkErr(gpgme_error_t gpgmeError);
static void checkErr(gpgme_error_t gpgmeError, const QString &comment);
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);
QProcess * executeGpgCommand(const QStringList &arguments,
QByteArray *stdOut,
QByteArray *stdErr, const std::function<void(QProcess *)> &interactFunc);
QString gpgExec;
QString gpgKeys;
};
} // namespace GpgME
#endif // __SGPGMEPP_CONTEXT_H__
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