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/**
* Copyright (C) 2021-2024 Saturneric <[email protected]>
*
* 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.
*
* GpgFrontend 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 GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* All the source code of GpgFrontend was modified and released by
* Saturneric <[email protected]> starting on May 12, 2021.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "GpgUIDOperator.h"
#include "core/GpgModel.h"
#include "core/function/gpg/GpgAutomatonHandler.h"
#include "core/utils/GpgUtils.h"
namespace GpgFrontend {
GpgUIDOperator::GpgUIDOperator(int channel)
: SingletonFunctionObject<GpgUIDOperator>(channel) {}
auto GpgUIDOperator::AddUID(const GpgKeyPtr& key, const QString& uid) -> bool {
auto err = gpgme_op_adduid(ctx_.DefaultContext(),
static_cast<gpgme_key_t>(*key), uid.toUtf8(), 0);
return CheckGpgError(err) == GPG_ERR_NO_ERROR;
}
auto GpgUIDOperator::SetPrimaryUID(const GpgKeyPtr& key,
const QString& uid) -> bool {
auto err = CheckGpgError(gpgme_op_set_uid_flag(
ctx_.DefaultContext(), static_cast<gpgme_key_t>(*key), uid.toUtf8(),
"primary", nullptr));
return CheckGpgError(err) == GPG_ERR_NO_ERROR;
}
auto GpgUIDOperator::AddUID(const GpgKeyPtr& key, const QString& name,
const QString& comment,
const QString& email) -> bool {
LOG_D() << "new uuid:" << name << comment << email;
return AddUID(key, QString("%1(%2)<%3>").arg(name).arg(comment).arg(email));
}
auto GpgUIDOperator::DeleteUID(const GpgKeyPtr& key, int uid_index) -> bool {
if (uid_index < 2 || uid_index > static_cast<int>(key->UIDs().size())) {
LOG_W() << "illegal uid_index index: " << uid_index;
return false;
}
AutomatonNextStateHandler next_state_handler = [](AutomatonState state,
QString status,
QString args) {
auto tokens = args.split(' ');
switch (state) {
case GpgAutomatonHandler::AS_START:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_SELECT;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_SELECT:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_COMMAND;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_COMMAND:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_QUIT;
} else if (status == "GET_BOOL" && args == "keyedit.remove.uid.okay") {
return GpgAutomatonHandler::AS_REALLY_ULTIMATE;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_QUIT;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_QUIT:
if (status == "GET_BOOL" && args == "keyedit.save.okay") {
return GpgAutomatonHandler::AS_SAVE;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_ERROR:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_QUIT;
}
return GpgAutomatonHandler::AS_ERROR;
default:
return GpgAutomatonHandler::AS_ERROR;
};
};
AutomatonActionHandler action_handler =
[uid_index](AutomatonHandelStruct& handler, AutomatonState state) {
switch (state) {
case GpgAutomatonHandler::AS_SELECT:
return QString("uid %1").arg(uid_index);
case GpgAutomatonHandler::AS_COMMAND:
return QString("deluid");
case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
handler.SetSuccess(true);
return QString("Y");
case GpgAutomatonHandler::AS_QUIT:
return QString("quit");
case GpgAutomatonHandler::AS_SAVE:
handler.SetSuccess(true);
return QString("Y");
case GpgAutomatonHandler::AS_START:
case GpgAutomatonHandler::AS_ERROR:
return QString("");
default:
return QString("");
}
return QString("");
};
auto key_fpr = key->Fingerprint();
AutomatonHandelStruct handel_struct(key_fpr);
handel_struct.SetHandler(next_state_handler, action_handler);
GpgData data_out;
return GpgAutomatonHandler::GetInstance(GetChannel())
.DoInteract(key, next_state_handler, action_handler);
}
auto GpgUIDOperator::RevokeUID(const GpgKeyPtr& key, int uid_index,
int reason_code,
const QString& reason_text) -> bool {
if (uid_index < 2 || uid_index > static_cast<int>(key->UIDs().size())) {
LOG_W() << "illegal uid index: " << uid_index;
return false;
}
if (reason_code != 0 && reason_code != 4) {
LOG_W() << "illegal reason code: " << reason_code;
return false;
}
// dealing with reason text
auto reason_text_lines = GpgFrontend::SecureCreateSharedObject<QStringList>(
reason_text.split('\n', Qt::SkipEmptyParts));
AutomatonNextStateHandler next_state_handler = [](AutomatonState state,
QString status,
QString args) {
auto tokens = args.split(' ');
switch (state) {
case GpgAutomatonHandler::AS_START:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_SELECT;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_SELECT:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_COMMAND;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_COMMAND:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_QUIT;
} else if (status == "GET_BOOL" && args == "keyedit.revoke.uid.okay") {
return GpgAutomatonHandler::AS_REALLY_ULTIMATE;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_REASON_CODE:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_QUIT;
} else if (status == "GET_LINE" &&
args == "ask_revocation_reason.text") {
return GpgAutomatonHandler::AS_REASON_TEXT;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_REASON_TEXT:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_QUIT;
} else if (status == "GET_LINE" &&
args == "ask_revocation_reason.text") {
return GpgAutomatonHandler::AS_REASON_TEXT;
} else if (status == "GET_BOOL" &&
args == "ask_revocation_reason.okay") {
return GpgAutomatonHandler::AS_REALLY_ULTIMATE;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_QUIT;
} else if (status == "GET_LINE" &&
args == "ask_revocation_reason.code") {
return GpgAutomatonHandler::AS_REASON_CODE;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_QUIT:
if (status == "GET_BOOL" && args == "keyedit.save.okay") {
return GpgAutomatonHandler::AS_SAVE;
}
return GpgAutomatonHandler::AS_ERROR;
case GpgAutomatonHandler::AS_ERROR:
if (status == "GET_LINE" && args == "keyedit.prompt") {
return GpgAutomatonHandler::AS_QUIT;
}
return GpgAutomatonHandler::AS_ERROR;
default:
return GpgAutomatonHandler::AS_ERROR;
};
};
AutomatonActionHandler action_handler =
[uid_index, reason_code, reason_text_lines](
AutomatonHandelStruct& handler, AutomatonState state) {
switch (state) {
case GpgAutomatonHandler::AS_SELECT:
return QString("uid %1").arg(uid_index);
case GpgAutomatonHandler::AS_COMMAND:
return QString("revuid");
case GpgAutomatonHandler::AS_REASON_CODE:
return QString::number(reason_code);
case GpgAutomatonHandler::AS_REASON_TEXT:
return reason_text_lines->isEmpty()
? QString("")
: QString(reason_text_lines->takeFirst().toUtf8());
case GpgAutomatonHandler::AS_REALLY_ULTIMATE:
return QString("Y");
case GpgAutomatonHandler::AS_QUIT:
return QString("quit");
case GpgAutomatonHandler::AS_SAVE:
handler.SetSuccess(true);
return QString("Y");
case GpgAutomatonHandler::AS_START:
case GpgAutomatonHandler::AS_ERROR:
return QString("");
default:
return QString("");
}
return QString("");
};
auto key_fpr = key->Fingerprint();
AutomatonHandelStruct handel_struct(key_fpr);
handel_struct.SetHandler(next_state_handler, action_handler);
GpgData data_out;
return GpgAutomatonHandler::GetInstance(GetChannel())
.DoInteract(key, next_state_handler, action_handler);
}
} // namespace GpgFrontend
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