From 2a836ec1fb8329018d23ca3adb5ad388100bd13e Mon Sep 17 00:00:00 2001
From: Melvin Keskin <melvo@olomono.de>
Date: Sat, 28 Aug 2021 14:37:25 +0200
Subject: Add QXmppTrustStorage

---
 src/client/QXmppTrustStorage.h | 69 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 src/client/QXmppTrustStorage.h

(limited to 'src/client/QXmppTrustStorage.h')

diff --git a/src/client/QXmppTrustStorage.h b/src/client/QXmppTrustStorage.h
new file mode 100644
index 00000000..1252c06b
--- /dev/null
+++ b/src/client/QXmppTrustStorage.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2008-2021 The QXmpp developers
+ *
+ * Author:
+ *  Melvin Keskin <melvo@olomono.de>
+ *
+ * Source:
+ *  https://github.com/qxmpp-project/qxmpp
+ *
+ * This file is a part of QXmpp library.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ */
+
+#ifndef QXMPPTRUSTSTORAGE_H
+#define QXMPPTRUSTSTORAGE_H
+
+#include "QXmppGlobal.h"
+
+#include <QFuture>
+
+class QXmppTrustMessageKeyOwner;
+
+class QXMPP_EXPORT QXmppTrustStorage
+{
+public:
+    ///
+    /// trust level of public long-term keys used by end-to-end encryption
+    /// protocols
+    ///
+    enum TrustLevel {
+        AutomaticallyDistrusted = 1,  ///< The key is automatically distrusted (e.g., by ATM's security policy).
+        ManuallyDistrusted = 2,       ///< The key is manually distrusted (e.g., by clicking a button or ATM).
+        AutomaticallyTrusted = 4,     ///< The key is automatically trusted (e.g., by the client for all keys of a bare JID until one of it is authenticated).
+        ManuallyTrusted = 8,          ///< The key is manually trusted (e.g., by clicking a button).
+        Authenticated = 16,           ///< The key is authenticated (e.g., by QR code scanning or ATM).
+    };
+    Q_DECLARE_FLAGS(TrustLevels, TrustLevel)
+
+    virtual QFuture<void> addOwnKey(const QString &encryption, const QString &keyId) = 0;
+    virtual QFuture<void> removeOwnKey(const QString &encryption) = 0;
+    virtual QFuture<QString> ownKey(const QString &encryption) const = 0;
+
+    virtual QFuture<void> addKeys(const QString &encryption, const QString &keyOwnerJid, const QList<QString> &keyIds, TrustLevel trustLevel = TrustLevel::AutomaticallyDistrusted) = 0;
+    virtual QFuture<void> removeKeys(const QString &encryption = {}, const QList<QString> &keyIds = {}) = 0;
+    virtual QFuture<QHash<TrustLevel, QMultiHash<QString, QString>>> keys(const QString &encryption, TrustLevels trustLevels = {}) const = 0;
+
+    virtual QFuture<void> setTrustLevel(const QString &encryption, const QMultiHash<QString, QString> &keyIds, TrustLevel trustLevel) = 0;
+    virtual QFuture<void> setTrustLevel(const QString &encryption, const QList<QString> &keyOwnerJids, TrustLevel oldTrustLevel, TrustLevel newTrustLevel) = 0;
+    virtual QFuture<TrustLevel> trustLevel(const QString &encryption, const QString &keyId) const = 0;
+
+    virtual QFuture<void> addKeysForPostponedTrustDecisions(const QString &encryption, const QString &senderKeyId, const QList<QXmppTrustMessageKeyOwner> &keyOwners) = 0;
+    virtual QFuture<void> removeKeysForPostponedTrustDecisions(const QString &encryption, const QList<QString> &keyIdsForAuthentication, const QList<QString> &keyIdsForDistrusting) = 0;
+    virtual QFuture<void> removeKeysForPostponedTrustDecisions(const QString &encryption = {}, const QList<QString> &senderKeyIds = {}) = 0;
+    virtual QFuture<QHash<bool, QMultiHash<QString, QString>>> keysForPostponedTrustDecisions(const QString &encryption, const QList<QString> &senderKeyIds = {}) = 0;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QXmppTrustStorage::TrustLevels)
+
+#endif  // QXMPPTRUSTSTORAGE_H
-- 
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