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/*
* 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 "QXmppTrustMessageElement.h"
#include "QXmppConstants_p.h"
#include "QXmppTrustMessageKeyOwner.h"
#include <QDomElement>
///
/// \class QXmppTrustMessageElement
///
/// \brief The QXmppTrustMessageElement class represents a trust message element
/// as defined by \xep{0434, Trust Messages (TM)}.
///
/// \since QXmpp 1.5
///
class QXmppTrustMessageElementPrivate : public QSharedData
{
public:
QString usage;
QString encryption;
QList<QXmppTrustMessageKeyOwner> keyOwners;
};
///
/// Constructs a trust message element.
///
QXmppTrustMessageElement::QXmppTrustMessageElement()
: d(new QXmppTrustMessageElementPrivate)
{
}
///
/// Constructs a copy of \a other.
///
/// \param other
///
QXmppTrustMessageElement::QXmppTrustMessageElement(const QXmppTrustMessageElement &other) = default;
QXmppTrustMessageElement::~QXmppTrustMessageElement() = default;
///
/// Assigns \a other to this trust message element.
///
/// \param other
///
QXmppTrustMessageElement &QXmppTrustMessageElement::operator=(const QXmppTrustMessageElement &other) = default;
///
/// Returns the namespace of the trust management protocol.
///
/// \return the trust management protocol namespace
///
QString QXmppTrustMessageElement::usage() const
{
return d->usage;
}
///
/// Sets the namespace of the trust management protocol.
///
/// \param usage trust management protocol namespace
///
void QXmppTrustMessageElement::setUsage(const QString &usage)
{
d->usage = usage;
}
///
/// Returns the namespace of the keys' encryption protocol.
///
/// \return the encryption protocol namespace
///
QString QXmppTrustMessageElement::encryption() const
{
return d->encryption;
}
///
/// Sets the namespace of the keys' encryption protocol.
///
/// \param encryption encryption protocol namespace
///
void QXmppTrustMessageElement::setEncryption(const QString &encryption)
{
d->encryption = encryption;
}
///
/// Returns the key owners containing the corresponding information for
/// trusting or distrusting their keys.
///
/// \return the owners of the keys for trusting or distrusting
///
QList<QXmppTrustMessageKeyOwner> QXmppTrustMessageElement::keyOwners() const
{
return d->keyOwners;
}
///
/// Sets the key owners containing the corresponding information for trusting or
/// distrusting their keys.
///
/// \param keyOwners owners of the keys for trusting or distrusting
///
void QXmppTrustMessageElement::setKeyOwners(const QList<QXmppTrustMessageKeyOwner> &keyOwners)
{
d->keyOwners = keyOwners;
}
///
/// Adds a key owner containing the corresponding information for trusting or
/// distrusting the owners keys.
///
/// \param keyOwner owner of the keys for trusting or distrusting
///
void QXmppTrustMessageElement::addKeyOwner(const QXmppTrustMessageKeyOwner &keyOwner)
{
d->keyOwners.append(keyOwner);
}
/// \cond
void QXmppTrustMessageElement::parse(const QDomElement &element)
{
d->usage = element.attribute("usage");
d->encryption = element.attribute("encryption");
for (auto keyOwnerElement = element.firstChildElement("key-owner");
!keyOwnerElement.isNull();
keyOwnerElement = keyOwnerElement.nextSiblingElement("key-owner")) {
if (QXmppTrustMessageKeyOwner::isTrustMessageKeyOwner(keyOwnerElement)) {
QXmppTrustMessageKeyOwner keyOwner;
keyOwner.parse(keyOwnerElement);
d->keyOwners.append(keyOwner);
}
}
}
void QXmppTrustMessageElement::toXml(QXmlStreamWriter *writer) const
{
writer->writeStartElement("trust-message");
writer->writeDefaultNamespace(ns_tm);
writer->writeAttribute("usage", d->usage);
writer->writeAttribute("encryption", d->encryption);
for (const auto &keyOwner : d->keyOwners) {
keyOwner.toXml(writer);
}
writer->writeEndElement();
}
/// \endcond
///
/// Determines whether the given DOM element is a trust message element.
///
/// \param element DOM element being checked
///
/// \return true if element is a trust message element, otherwise false
///
bool QXmppTrustMessageElement::isTrustMessageElement(const QDomElement &element)
{
return element.tagName() == QStringLiteral("trust-message") &&
element.namespaceURI() == ns_tm;
}
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