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/*
Copyright (c) 2016 Christian Mollekopf <mollekopf@kolabsys.com>
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This library 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*/
#pragma once
#include "framework/src/errors.h"
#include <QByteArray>
#include <QVariant>
#include <functional>
#include <memory>
#include <gpgme.h>
#include <QDateTime>
namespace Crypto {
enum CryptoProtocol {
UnknownProtocol,
OpenPGP,
CMS
};
struct UserId {
QByteArray name;
QByteArray email;
QByteArray id;
};
struct Key {
QByteArray keyId;
QByteArray shortKeyId;
QByteArray fingerprint;
bool isExpired = false;
std::vector<UserId> userIds;
};
struct Error {
gpgme_error_t error;
gpgme_err_code_t errorCode() const {
return gpgme_err_code(error);
}
operator bool() const
{
return error != GPG_ERR_NO_ERROR;
}
};
struct Signature {
QByteArray fingerprint;
gpgme_sigsum_t summary;
Error status;
gpgme_validity_t validity;
gpgme_error_t validity_reason;
QDateTime creationTime;
};
struct VerificationResult {
std::vector<Signature> signatures;
Error error;
};
struct Recipient {
QByteArray keyId;
Error status;
};
struct DecryptionResult {
std::vector<Recipient> recipients;
Error error;
};
struct KeyListResult {
std::vector<Key> keys;
Error error;
};
std::vector<Key> findKeys(const QStringList &filter, bool findPrivate = false, bool remote = false);
Expected<Error, QByteArray> exportPublicKey(const Key &key);
struct ImportResult {
int considered;
int imported;
int unchanged;
};
ImportResult importKeys(CryptoProtocol protocol, const QByteArray &certData);
ImportResult importKey(const QByteArray &key);
/**
* Sign the given content and returns the signing data and the algorithm used
* for integrity check in the "pgp-<algorithm>" format.
*/
Expected<Error, std::pair<QByteArray, QString>>
sign(const QByteArray &content, const std::vector<Key> &signingKeys);
Expected<Error, QByteArray> signAndEncrypt(const QByteArray &content, const std::vector<Key> &encryptionKeys, const std::vector<Key> &signingKeys);
std::pair<DecryptionResult,VerificationResult> decryptAndVerify(CryptoProtocol protocol, const QByteArray &ciphertext, QByteArray &outdata);
VerificationResult verifyDetachedSignature(CryptoProtocol protocol, const QByteArray &signature, const QByteArray &outdata);
VerificationResult verifyOpaqueSignature(CryptoProtocol protocol, const QByteArray &signature, QByteArray &outdata);
};
Q_DECLARE_METATYPE(Crypto::Key);
QDebug operator<< (QDebug d, const Crypto::Key &);
QDebug operator<< (QDebug d, const Crypto::Error &);
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