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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 "EMailHelper.h"
#include <QRegularExpression>
#include "GFModuleCommonUtils.hpp"
static const QRegularExpression kNameEmailStringRegex{
R"(^\s*(.*)\s*<\s*([^<>@\s]+@[^<>@\s]+)\s*>\s*$)"};
auto IsValidMicalgFormat(const QString& prm_micalg_value) -> bool {
QRegularExpression regex("^pgp-(\\w+)$");
QRegularExpressionMatch match = regex.match(prm_micalg_value);
return match.hasMatch();
}
auto FormatMailBox(const std::shared_ptr<vmime::mailbox>& m) -> QString {
if (!m) return {"Unknown"};
QString name = Q_SC(m->getName().getConvertedText(vmime::charsets::UTF_8));
QString address =
Q_SC(m->getEmail().toText().getConvertedText(vmime::charsets::UTF_8));
if (!name.isEmpty()) {
return QString("%1 <%2>").arg(name, address);
}
return address;
}
auto ExtractFieldValue(const vmime::shared_ptr<vmime::header>& header,
const QString& field_name) -> QString {
auto field = header->getField(field_name.toStdString());
if (!field) {
FLOG_WARN("cannot get '%1' Field from header", field_name);
return {};
}
auto field_value = field->getValue();
if (!field_value) {
FLOG_WARN("cannot get '%s' Field Value from header", field_name);
return {};
}
return Q_SC(field_value->generate());
}
auto ExtractFieldValueMailBox(const vmime::shared_ptr<vmime::header>& header,
const QString& field_name) -> QString {
auto field = header->getField(field_name.toStdString());
if (!field) {
FLOG_WARN("cannot get '%1' Field from header", field_name);
return {};
}
auto field_value = field->getValue<vmime::mailbox>();
if (!field_value) {
FLOG_WARN("cannot get '%s' Field Value from header", field_name);
return {};
}
return FormatMailBox(field_value);
}
auto ExtractFieldValueAddressList(
const vmime::shared_ptr<vmime::header>& header,
const QString& field_name) -> QString {
auto field = header->getField(field_name.toStdString());
if (!field) {
FLOG_WARN("cannot get '%1' Field from header", field_name);
return {};
}
auto field_value = field->getValue<vmime::addressList>();
if (!field_value) {
FLOG_WARN("cannot get '%s' Field Value from header", field_name);
return {};
}
QStringList mailbox_list_strings;
for (const auto& mailbox : field_value->toMailboxList()->getMailboxList()) {
QString formatted_mailbox = FormatMailBox(mailbox);
mailbox_list_strings.append(formatted_mailbox);
}
return mailbox_list_strings.join(", ");
}
auto ExtractFieldValueText(const vmime::shared_ptr<vmime::header>& header,
const QString& field_name) -> QString {
auto field = header->getField(field_name.toStdString());
if (!field) {
FLOG_WARN("cannot get '%1' Field from header", field_name);
return {};
}
auto field_value = field->getValue<vmime::text>();
if (!field_value) {
FLOG_WARN("cannot get '%s' Field Value from header", field_name);
return {};
}
return Q_SC(field_value->getConvertedText(vmime::charsets::UTF_8));
}
auto ExtractFieldValueDateTime(const vmime::shared_ptr<vmime::header>& header,
const QString& field_name) -> QDateTime {
auto field = header->getField(field_name.toStdString());
if (!field) {
FLOG_WARN("cannot get '%1' Field from header", field_name);
return {};
}
auto field_value = field->getValue<vmime::datetime>();
if (!field_value) {
FLOG_WARN("cannot get '%s' Field Value from header", field_name);
return {};
}
QDate date(field_value->getYear(), field_value->getMonth(),
field_value->getDay());
QTime time(field_value->getHour(), field_value->getMinute(),
field_value->getSecond());
field_value->getZone();
auto zone = field_value->getZone();
QDateTime datetime(date, time);
datetime.setOffsetFromUtc(zone * 60);
return datetime;
}
auto ParseEmailString(const QString& input, QString& name,
QString& email) -> bool {
QRegularExpressionMatch match = kNameEmailStringRegex.match(input);
if (match.hasMatch()) {
name = match.captured(1).trimmed();
email = match.captured(2).trimmed();
return true;
}
return false;
}
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