Implement XEP-0215: External Service Discovery (#542)

Implements https://xmpp.org/extensions/xep-0215.html in version 1.0.

1 files changed, 83 insertions, 0 deletions

diff --git a/src/base/QXmppExternalService.h b/src/base/QXmppExternalService.h
new file mode 100644
index 00000000..fb0b7d58
--- /dev/null
+++ b/src/base/QXmppExternalService.h
@@ -0,0 +1,83 @@
+// SPDX-FileCopyrightText: 2023 Tibor Csötönyi <work@taibsu.de>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#pragma once
+
+#include "QXmppGlobal.h"
+
+#include <optional>
+
+#include <QSharedDataPointer>
+
+class QDateTime;
+class QDomElement;
+class QXmlStreamWriter;
+class QXmppExternalServicePrivate;
+
+class QXMPP_EXPORT QXmppExternalService
+{
+public:
+    ///
+    /// Describes the action type of an external service IQ.
+    ///
+    /// \since QXmpp 1.6
+    ///
+    enum class Action {
+        Add,
+        Delete,
+        Modify
+    };
+
+    ///
+    /// Describes the packet type of an external service IQ.
+    ///
+    /// \since QXmpp 1.6
+    ///
+    enum class Transport {
+        Tcp,
+        Udp
+    };
+
+    QXmppExternalService();
+
+    QXMPP_PRIVATE_DECLARE_RULE_OF_SIX(QXmppExternalService)
+
+    QString host() const;
+    void setHost(const QString &);
+
+    QString type() const;
+    void setType(const QString &);
+
+    std::optional<Action> action() const;
+    void setAction(std::optional<Action>);
+
+    std::optional<QDateTime> expires() const;
+    void setExpires(std::optional<QDateTime>);
+
+    std::optional<QString> name() const;
+    void setName(std::optional<QString>);
+
+    std::optional<QString> password() const;
+    void setPassword(std::optional<QString>);
+
+    std::optional<int> port() const;
+    void setPort(std::optional<int>);
+
+    std::optional<bool> restricted() const;
+    void setRestricted(std::optional<bool>);
+
+    std::optional<Transport> transport() const;
+    void setTransport(std::optional<Transport>);
+
+    std::optional<QString> username() const;
+    void setUsername(std::optional<QString>);
+
+    static bool isExternalService(const QDomElement &);
+
+    void parse(const QDomElement &);
+    void toXml(QXmlStreamWriter *) const;
+
+private:
+    QSharedDataPointer<QXmppExternalServicePrivate> d;
+};