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kgpg: implement signing

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2022-03-14 17:35:00 +02:00
parent 1dbd8112bb
commit 48723e8bd6
1 changed files with 73 additions and 3 deletions
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76
kgpg/kgpg.cpp
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@ -79,7 +79,7 @@ void KGPG::setMode(const KGPGMode mode)
break;
}
case KGPG::VerifyMode: {
updateKeys(GPGME_KEYLIST_MODE_LOCAL, false);
updateKeys(GPGME_KEYLIST_MODE_LOCAL | GPGME_KEYLIST_MODE_SIGS, false);
m_ui.startbutton->setEnabled(true);
m_ui.destinationrequester->setVisible(false);
break;
@ -97,6 +97,8 @@ void KGPG::setSource(const QString &source)
// TODO: invalid source or destination URL should disable start button
switch (m_mode) {
case KGPG::EncryptMode: {
gpgme_set_armor(m_gpgctx, 0);
QString destinationstring = sourceurl.prettyUrl();
destinationstring.append(QLatin1String(".gpg"));
m_ui.sourcerequester->setUrl(sourceurl);
@ -104,6 +106,8 @@ void KGPG::setSource(const QString &source)
break;
}
case KGPG::DecryptMode: {
gpgme_set_armor(m_gpgctx, 0);
QString destinationstring = sourceurl.prettyUrl();
if (destinationstring.endsWith(QLatin1String(".gpg"))) {
destinationstring.chop(4);
@ -115,6 +119,8 @@ void KGPG::setSource(const QString &source)
break;
}
case KGPG::SignMode: {
gpgme_set_armor(m_gpgctx, 1);
QString destinationstring = sourceurl.prettyUrl();
destinationstring.append(QLatin1String(".asc"));
m_ui.sourcerequester->setFilter(QString());
@ -124,6 +130,8 @@ void KGPG::setSource(const QString &source)
break;
}
case KGPG::VerifyMode: {
gpgme_set_armor(m_gpgctx, 1);
m_ui.sourcerequester->setFilter(QString::fromLatin1("application/pgp-signature"));
m_ui.sourcerequester->setUrl(sourceurl);
break;
@ -287,10 +295,72 @@ void KGPG::start()
break;
}
setError("Not implemented");
const QByteArray kgpgkeyfpr = m_keys.at(m_ui.keysbox->currentIndex()).fpr;
const QByteArray gpginputfile = m_ui.sourcerequester->url().toLocalFile().toLocal8Bit();
gpgme_data_t gpgindata;
gpgme_error_t gpgresult = gpgme_data_new_from_file(&gpgindata, gpginputfile.constData(), 1);
if (gpgresult != 0) {
setError(gpgme_strerror(gpgresult));
break;
}
gpgme_key_t gpgencryptkey;
gpgresult = gpgme_get_key(m_gpgctx, kgpgkeyfpr.constData(), &gpgencryptkey, 1);
if (gpgresult != 0) {
setError(gpgme_strerror(gpgresult));
gpgme_data_release(gpgindata);
break;
}
gpgme_data_t gpgoutdata;
gpgresult = gpgme_data_new(&gpgoutdata);
if (gpgresult != 0) {
setError(gpgme_strerror(gpgresult));
gpgme_data_release(gpgindata);
break;
}
gpgme_key_t gpgkeys[2] = { gpgencryptkey, NULL };
// the only important difference from the code for KGPG::EncryptMode mode is the function call bellow
gpgresult = gpgme_op_encrypt_sign(m_gpgctx, gpgkeys, GPGME_ENCRYPT_ALWAYS_TRUST, gpgindata, gpgoutdata);
if (gpgresult != 0) {
setError(gpgme_strerror(gpgresult));
gpgme_data_release(gpgindata);
gpgme_data_release(gpgoutdata);
break;
}
size_t gpgbuffersize = 0;
char* gpgbuffer = gpgme_data_release_and_get_mem(gpgoutdata, &gpgbuffersize);
const QString outputfile = m_ui.destinationrequester->url().toLocalFile();
QFile encryptedfile(outputfile);
if (!encryptedfile.open(QFile::WriteOnly)) {
setError(encryptedfile.errorString());
gpgme_free(gpgbuffer);
gpgme_data_release(gpgindata);
break;
}
if (encryptedfile.write(gpgbuffer, gpgbuffersize) != gpgbuffersize) {
setError(encryptedfile.errorString());
gpgme_free(gpgbuffer);
gpgme_data_release(gpgindata);
break;
}
// qDebug() << Q_FUNC_INFO << "sign" << gpgbuffer;
gpgme_free(gpgbuffer);
gpgme_data_release(gpgindata);
break;
}
case KGPG::VerifyMode: {
if (m_keys.isEmpty()) {
setError("No key available");
break;
}
setError("Not implemented");
break;
}
@ -386,8 +456,8 @@ int main(int argc, char **argv)
kgpg->setMode(KGPG::DecryptMode);
kgpg->setSource(args->getOption("decrypt"));
} else if (args->isSet("sign")) {
kgpg->setSource(args->getOption("sign"));
kgpg->setMode(KGPG::SignMode);
kgpg->setSource(args->getOption("sign"));
} else if (args->isSet("verify")) {
kgpg->setMode(KGPG::VerifyMode);
kgpg->setSource(args->getOption("verify"));