1 files changed, 100 insertions, 0 deletions
diff --git a/src/m_email/EMailHelper.h b/src/m_email/EMailHelper.h
new file mode 100644
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+++ b/src/m_email/EMailHelper.h
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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
+ *
+ */
+
+#pragma once
+
+#include <QDateTime>
+#include <QString>
+
+// vmime
+#define VMIME_STATIC
+#include <vmime/vmime.hpp>
+
+auto inline Q_SC(const std::string& s) -> QString {
+  return QString::fromStdString(s);
+}
+
+/**
+ * @brief
+ *
+ * @param prm_micalg_value
+ * @return true
+ * @return false
+ */
+auto IsValidMicalgFormat(const QString& prm_micalg_value) -> bool;
+
+/**
+ * @brief
+ *
+ * @param header
+ * @param field_name
+ * @return QString
+ */
+auto ExtractFieldValue(const vmime::shared_ptr<vmime::header>& header,
+                       const QString& field_name) -> QString;
+
+/**
+ * @brief
+ *
+ * @param header
+ * @param field_name
+ * @return QString
+ */
+auto ExtractFieldValueText(const vmime::shared_ptr<vmime::header>& header,
+                           const QString& field_name) -> QString;
+
+/**
+ * @brief
+ *
+ * @param header
+ * @param field_name
+ * @return QString
+ */
+auto ExtractFieldValueMailBox(const vmime::shared_ptr<vmime::header>& header,
+                              const QString& field_name) -> QString;
+
+/**
+ * @brief
+ *
+ * @param header
+ * @param field_name
+ * @return QString
+ */
+auto ExtractFieldValueAddressList(
+    const vmime::shared_ptr<vmime::header>& header,
+    const QString& field_name) -> QString;
+
+/**
+ * @brief
+ *
+ * @param header
+ * @param field_name
+ * @return QDateTime
+ */
+auto ExtractFieldValueDateTime(const vmime::shared_ptr<vmime::header>& header,
+                               const QString& field_name) -> QDateTime;