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/*
* Copyright (C) 2008-2021 The QXmpp developers
*
* Author:
* Linus Jahn
*
* 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 "QXmppBitsOfBinaryContentId.h"
#include "QXmppBitsOfBinaryDataList.h"
#include "QXmppConstants_p.h"
#include "QXmppUtils.h"
#include <QDomElement>
#include <QMimeDatabase>
#include <QMimeType>
#include <QSharedData>
#include <QXmlStreamWriter>
class QXmppBitsOfBinaryDataPrivate : public QSharedData
{
public:
QXmppBitsOfBinaryDataPrivate();
QXmppBitsOfBinaryContentId cid;
int maxAge;
QMimeType contentType;
QByteArray data;
};
QXmppBitsOfBinaryDataPrivate::QXmppBitsOfBinaryDataPrivate()
: maxAge(-1)
{
}
///
/// \class QXmppBitsOfBinaryData
///
/// QXmppBitsOfBinaryData represents a data element for \xep{0231, Bits of
/// Binary}. It can be used as an extension in other stanzas.
///
/// \see QXmppBitsOfBinaryIq, QXmppBitsOfBinaryDataList
///
/// \since QXmpp 1.2
///
///
/// Default constructor
///
QXmppBitsOfBinaryData::QXmppBitsOfBinaryData()
: d(new QXmppBitsOfBinaryDataPrivate)
{
}
/// Default copy-constructor
QXmppBitsOfBinaryData::QXmppBitsOfBinaryData(const QXmppBitsOfBinaryData &) = default;
/// Default destructor
QXmppBitsOfBinaryData::~QXmppBitsOfBinaryData() = default;
/// Default assignment operator
QXmppBitsOfBinaryData &QXmppBitsOfBinaryData::operator=(const QXmppBitsOfBinaryData &) = default;
///
/// Returns the content id of the data
///
QXmppBitsOfBinaryContentId QXmppBitsOfBinaryData::cid() const
{
return d->cid;
}
///
/// Sets the content id of the data
///
void QXmppBitsOfBinaryData::setCid(const QXmppBitsOfBinaryContentId &cid)
{
d->cid = cid;
}
///
/// Returns the time in seconds the data should be cached
///
/// A value of 0 means that the data should not be cached, while a value of -1
/// means that nothing was set.
///
/// The default value is -1.
///
int QXmppBitsOfBinaryData::maxAge() const
{
return d->maxAge;
}
///
/// Sets the time in seconds the data should be cached
///
/// A value of 0 means that the data should not be cached, while a value of -1
/// means that nothing was set.
///
/// The default value is -1.
///
void QXmppBitsOfBinaryData::setMaxAge(int maxAge)
{
d->maxAge = maxAge;
}
///
/// Returns the content type of the data
///
/// \note This is the advertised content type and may differ from the actual
/// content type of the data.
///
QMimeType QXmppBitsOfBinaryData::contentType() const
{
return d->contentType;
}
///
/// Sets the content type of the data
///
void QXmppBitsOfBinaryData::setContentType(const QMimeType &contentType)
{
d->contentType = contentType;
}
///
/// Returns the included data in binary form
///
QByteArray QXmppBitsOfBinaryData::data() const
{
return d->data;
}
///
/// Sets the data in binary form
///
void QXmppBitsOfBinaryData::setData(const QByteArray &data)
{
d->data = data;
}
///
/// Returns true, if \c element is a \xep{0231, Bits of Binary} data element
///
bool QXmppBitsOfBinaryData::isBitsOfBinaryData(const QDomElement &element)
{
return element.tagName() == QStringLiteral("data") && element.namespaceURI() == ns_bob;
}
/// \cond
void QXmppBitsOfBinaryData::parseElementFromChild(const QDomElement &dataElement)
{
d->cid = QXmppBitsOfBinaryContentId::fromContentId(dataElement.attribute(QStringLiteral("cid")));
d->maxAge = dataElement.attribute(QStringLiteral("max-age"), QStringLiteral("-1")).toInt();
d->contentType = QMimeDatabase().mimeTypeForName(dataElement.attribute(QStringLiteral("type")));
d->data = QByteArray::fromBase64(dataElement.text().toUtf8());
}
void QXmppBitsOfBinaryData::toXmlElementFromChild(QXmlStreamWriter *writer) const
{
writer->writeStartElement(QStringLiteral("data"));
writer->writeDefaultNamespace(ns_bob);
helperToXmlAddAttribute(writer, QStringLiteral("cid"), d->cid.toContentId());
if (d->maxAge > -1)
helperToXmlAddAttribute(writer, QStringLiteral("max-age"), QString::number(d->maxAge));
helperToXmlAddAttribute(writer, QStringLiteral("type"), d->contentType.name());
writer->writeCharacters(d->data.toBase64());
writer->writeEndElement();
}
/// \endcond
///
/// Returns true, if cid, maxAge, contentType and data equal.
///
bool QXmppBitsOfBinaryData::operator==(const QXmppBitsOfBinaryData &other) const
{
return d->cid == other.cid() &&
d->maxAge == other.maxAge() &&
d->contentType == other.contentType() &&
d->data == other.data();
}
///
/// \class QXmppBitsOfBinaryDataList
///
/// QXmppBitsOfBinaryDataList represents a list of data elements from
/// \xep{0231, Bits of Binary}.
///
/// \since QXmpp 1.2
///
QXmppBitsOfBinaryDataList::QXmppBitsOfBinaryDataList() = default;
QXmppBitsOfBinaryDataList::~QXmppBitsOfBinaryDataList() = default;
/// \cond
void QXmppBitsOfBinaryDataList::parse(const QDomElement &element)
{
// clear previous data elements
clear();
// parse all <data/> elements
QDomElement child = element.firstChildElement();
while (!child.isNull()) {
if (QXmppBitsOfBinaryData::isBitsOfBinaryData(child)) {
QXmppBitsOfBinaryData data;
data.parseElementFromChild(child);
append(data);
}
child = child.nextSiblingElement();
}
}
void QXmppBitsOfBinaryDataList::toXml(QXmlStreamWriter *writer) const
{
for (const auto &bitsOfBinaryData : *this) {
bitsOfBinaryData.toXmlElementFromChild(writer);
}
}
/// \endcond
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