Add QXmppTrustMessageKeyOwner

4 files changed, 248 insertions, 0 deletions

diff --git a/src/base/QXmppConstants.cpp b/src/base/QXmppConstants.cpp
index 1df63f68..ff7a7de8 100644
--- a/src/base/QXmppConstants.cpp
+++ b/src/base/QXmppConstants.cpp
@@ -176,3 +176,5 @@ const char* ns_mix_presence = "urn:xmpp:presence:0";
 const char* ns_mix_misc = "urn:xmpp:mix:misc:0";
 // XEP-0428: Fallback Indication
 const char* ns_fallback_indication = "urn:xmpp:fallback:0";
+// XEP-0434: Trust Messages (TM)
+const char* ns_tm = "urn:xmpp:tm:0";
diff --git a/src/base/QXmppConstants_p.h b/src/base/QXmppConstants_p.h
index 3a95ce82..cdef36ee 100644
--- a/src/base/QXmppConstants_p.h
+++ b/src/base/QXmppConstants_p.h
@@ -188,5 +188,7 @@ extern const char* ns_mix_presence;
 extern const char* ns_mix_misc;
 // XEP-0428: Fallback Indication
 extern const char* ns_fallback_indication;
+// XEP-0434: Trust Messages (TM)
+extern const char* ns_tm;
 
 #endif  // QXMPPCONSTANTS_H
diff --git a/src/base/QXmppTrustMessageKeyOwner.cpp b/src/base/QXmppTrustMessageKeyOwner.cpp
new file mode 100644
index 00000000..d2633cde
--- /dev/null
+++ b/src/base/QXmppTrustMessageKeyOwner.cpp
@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2008-2021 The QXmpp developers
+ *
+ * Author:
+ *  Melvin Keskin
+ *
+ * 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.
+ *
+ */
+
+#include "QXmppTrustMessageKeyOwner.h"
+
+#include "QXmppConstants_p.h"
+#include "QXmppUtils.h"
+
+#include <QDomElement>
+
+///
+/// \class QXmppTrustMessageKeyOwner
+///
+/// \brief The QXmppTrustMessageKeyOwner class represents a key owner of the
+/// trust message as defined by \xep{0434, Trust Messages (TM)}.
+///
+/// \since QXmpp 1.5
+///
+
+class QXmppTrustMessageKeyOwnerPrivate : public QSharedData
+{
+public:
+    QString jid;
+    QList<QString> trustedKeys;
+    QList<QString> distrustedKeys;
+};
+
+///
+/// Constructs a trust message key owner.
+///
+QXmppTrustMessageKeyOwner::QXmppTrustMessageKeyOwner()
+    : d(new QXmppTrustMessageKeyOwnerPrivate)
+{
+}
+
+///
+/// Constructs a copy of \a other.
+///
+/// \param other
+///
+QXmppTrustMessageKeyOwner::QXmppTrustMessageKeyOwner(const QXmppTrustMessageKeyOwner &other) = default;
+
+QXmppTrustMessageKeyOwner::~QXmppTrustMessageKeyOwner() = default;
+
+///
+/// Assigns \a other to this trust message key owner.
+///
+/// \param other
+///
+QXmppTrustMessageKeyOwner &QXmppTrustMessageKeyOwner::operator=(const QXmppTrustMessageKeyOwner &other) = default;
+
+///
+/// Returns the bare JID of the key owner.
+///
+/// \return the key owner's bare JID
+///
+QString QXmppTrustMessageKeyOwner::jid() const
+{
+    return d->jid;
+}
+
+///
+/// Sets the bare JID of the key owner.
+///
+/// If a full JID is passed, it is converted into a bare JID.
+///
+/// \param jid key owner's bare JID
+///
+void QXmppTrustMessageKeyOwner::setJid(const QString &jid)
+{
+    d->jid = QXmppUtils::jidToBareJid(jid);
+}
+
+///
+/// Returns the IDs of the keys that are trusted.
+///
+/// \return the IDs of trusted keys
+///
+QList<QString> QXmppTrustMessageKeyOwner::trustedKeys() const
+{
+    return d->trustedKeys;
+}
+
+///
+/// Sets the IDs of keys that are trusted.
+///
+/// \param keyIds IDs of trusted keys
+///
+void QXmppTrustMessageKeyOwner::setTrustedKeys(const QList<QString> &keyIds)
+{
+    d->trustedKeys = keyIds;
+}
+
+///
+/// Returns the IDs of the keys that are distrusted.
+///
+/// \return the IDs of distrusted keys
+///
+QList<QString> QXmppTrustMessageKeyOwner::distrustedKeys() const
+{
+    return d->distrustedKeys;
+}
+
+///
+/// Sets the IDs of keys that are distrusted.
+///
+/// \param keyIds IDs of distrusted keys
+///
+void QXmppTrustMessageKeyOwner::setDistrustedKeys(const QList<QString> &keyIds)
+{
+    d->distrustedKeys = keyIds;
+}
+
+/// \cond
+void QXmppTrustMessageKeyOwner::parse(const QDomElement &element)
+{
+    d->jid = element.attribute("jid");
+
+    for (auto childElement = element.firstChildElement();
+         !childElement.isNull();
+         childElement = childElement.nextSiblingElement()) {
+        if (childElement.tagName() == "trust") {
+            d->trustedKeys.append(childElement.text());
+        } else if (childElement.tagName() == "distrust") {
+            d->distrustedKeys.append(childElement.text());
+        }
+    }
+}
+
+void QXmppTrustMessageKeyOwner::toXml(QXmlStreamWriter *writer) const
+{
+    writer->writeStartElement("key-owner");
+    writer->writeAttribute("jid", d->jid);
+
+    for (const auto &keyIdentifier : d->trustedKeys) {
+        writer->writeTextElement("trust", keyIdentifier);
+    }
+
+    for (const auto &keyIdentifier : d->distrustedKeys) {
+        writer->writeTextElement("distrust", keyIdentifier);
+    }
+
+    writer->writeEndElement();
+}
+/// \endcond
+
+///
+/// Determines whether the given DOM element is a trust message key owner.
+///
+/// \param element DOM element being checked
+///
+/// \return true if element is a trust message key owner, otherwise false
+///
+bool QXmppTrustMessageKeyOwner::isTrustMessageKeyOwner(const QDomElement &element)
+{
+    return element.tagName() == QStringLiteral("key-owner") &&
+        element.namespaceURI() == ns_tm;
+}
diff --git a/src/base/QXmppTrustMessageKeyOwner.h b/src/base/QXmppTrustMessageKeyOwner.h
new file mode 100644
index 00000000..c4350a4b
--- /dev/null
+++ b/src/base/QXmppTrustMessageKeyOwner.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2008-2021 The QXmpp developers
+ *
+ * Author:
+ *  Melvin Keskin
+ *
+ * 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 QXMPPTRUSTMESSAGEKEYOWNER_H
+#define QXMPPTRUSTMESSAGEKEYOWNER_H
+
+#include "QXmppGlobal.h"
+
+#include <QDomElement>
+#include <QSharedDataPointer>
+#include <QXmlStreamWriter>
+
+class QXmppTrustMessageKeyOwnerPrivate;
+
+class QXMPP_EXPORT QXmppTrustMessageKeyOwner
+{
+public:
+    QXmppTrustMessageKeyOwner();
+    QXmppTrustMessageKeyOwner(const QXmppTrustMessageKeyOwner &other);
+    ~QXmppTrustMessageKeyOwner();
+
+    QXmppTrustMessageKeyOwner &operator=(const QXmppTrustMessageKeyOwner &other);
+
+    QString jid() const;
+    void setJid(const QString &jid);
+
+    QList<QString> trustedKeys() const;
+    void setTrustedKeys(const QList<QString> &keyIds);
+
+    QList<QString> distrustedKeys() const;
+    void setDistrustedKeys(const QList<QString> &keyIds);
+
+    /// \cond
+    void parse(const QDomElement &element);
+    void toXml(QXmlStreamWriter *writer) const;
+    /// \endcond
+
+    static bool isTrustMessageKeyOwner(const QDomElement &element);
+
+private:
+    QSharedDataPointer<QXmppTrustMessageKeyOwnerPrivate> d;
+};
+
+Q_DECLARE_TYPEINFO(QXmppTrustMessageKeyOwner, Q_MOVABLE_TYPE);
+
+#endif  // QXMPPTRUSTMESSAGEKEYOWNER_H