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// SPDX-FileCopyrightText: 2022 Linus Jahn <lnj@kaidan.im>
//
// SPDX-License-Identifier: LGPL-2.1-or-later
#include "QXmppFileShare.h"
#include "QXmppConstants_p.h"
#include "QXmppEncryptedFileSource.h"
#include "QXmppFileMetadata.h"
#include "QXmppHttpFileSource.h"
#include <optional>
#include <QDomElement>
#include <QUrl>
#include <QXmlStreamWriter>
using Disposition = QXmppFileShare::Disposition;
static std::optional<Disposition> dispositionFromString(const QString &str)
{
if (str == "inline") {
return Disposition::Inline;
}
if (str == "attachment") {
return Disposition::Attachment;
}
return {};
}
static QString dispositionToString(Disposition value)
{
switch (value) {
case Disposition::Inline:
return QStringLiteral("inline");
case Disposition::Attachment:
return QStringLiteral("attachment");
}
Q_UNREACHABLE();
}
/// \cond
class QXmppFileSharePrivate : public QSharedData
{
public:
QXmppFileMetadata metadata;
QVector<QXmppHttpFileSource> httpSources;
QVector<QXmppEncryptedFileSource> encryptedSources;
QXmppFileShare::Disposition disposition = Disposition::Inline;
};
/// \endcond
///
/// \class QXmppFileShare
///
/// File sharing element from \xep{0447, Stateless file sharing}. Contains
/// metadata and source URLs.
///
/// \note jinglepub references are currently missing
///
/// \since QXmpp 1.5
///
///
/// \enum QXmppFileShare::Disposition
///
/// \brief Decides whether to display the file contents (e.g. an image) inline in the chat or as
/// a file.
///
/// Default constructor
QXmppFileShare::QXmppFileShare()
: d(new QXmppFileSharePrivate)
{
}
QXMPP_PRIVATE_DEFINE_RULE_OF_SIX(QXmppFileShare)
/// Returns the disposition setting for this file.
QXmppFileShare::Disposition QXmppFileShare::disposition() const
{
return d->disposition;
}
/// Sets the disposition setting for this file.
void QXmppFileShare::setDisposition(Disposition disp)
{
d->disposition = disp;
}
/// Returns the metadata of the shared file.
const QXmppFileMetadata &QXmppFileShare::metadata() const
{
return d->metadata;
}
/// Sets the metadata of the shared file.
void QXmppFileShare::setMetadata(const QXmppFileMetadata &metadata)
{
d->metadata = metadata;
}
/// Returns the HTTP sources for this file.
const QVector<QXmppHttpFileSource> &QXmppFileShare::httpSources() const
{
return d->httpSources;
}
/// Sets the HTTP sources for this file.
void QXmppFileShare::setHttpSources(const QVector<QXmppHttpFileSource> &newHttpSources)
{
d->httpSources = newHttpSources;
}
/// Returns the encrypted sources for this file.
const QVector<QXmppEncryptedFileSource> &QXmppFileShare::encryptedSources() const
{
return d->encryptedSources;
}
/// Sets the encrypted sources for this file.
void QXmppFileShare::setEncryptedSourecs(const QVector<QXmppEncryptedFileSource> &newEncryptedSources)
{
d->encryptedSources = newEncryptedSources;
}
/// \cond
void QXmppFileShare::visitSources(std::function<bool(const std::any &)> &&visitor) const
{
for (const auto &httpSource : d->httpSources) {
if (visitor(httpSource)) {
return;
}
}
for (const auto &encryptedSource : d->encryptedSources) {
if (visitor(encryptedSource)) {
return;
}
}
}
void QXmppFileShare::addSource(const std::any &source)
{
if (source.type() == typeid(QXmppHttpFileSource)) {
d->httpSources.push_back(std::any_cast<QXmppHttpFileSource>(source));
} else if (source.type() == typeid(QXmppEncryptedFileSource)) {
d->encryptedSources.push_back(std::any_cast<QXmppEncryptedFileSource>(source));
}
}
bool QXmppFileShare::parse(const QDomElement &el)
{
if (el.tagName() == "file-sharing" && el.namespaceURI() == ns_sfs) {
// disposition
d->disposition = dispositionFromString(el.attribute("disposition"))
.value_or(Disposition::Inline);
// file metadata
auto fileEl = el.firstChildElement("file");
d->metadata = QXmppFileMetadata();
if (!d->metadata.parse(fileEl)) {
return false;
}
// sources:
// expect that there's only one sources element with the correct namespace
auto sources = el.firstChildElement("sources");
for (auto sourceEl = sources.firstChildElement();
!sourceEl.isNull();
sourceEl = sourceEl.nextSiblingElement()) {
if (sourceEl.tagName() == QStringLiteral("url-data")) {
QXmppHttpFileSource source;
if (source.parse(sourceEl)) {
d->httpSources.push_back(std::move(source));
}
} else if (sourceEl.tagName() == QStringLiteral("encrypted")) {
QXmppEncryptedFileSource source;
if (source.parse(sourceEl)) {
d->encryptedSources.push_back(std::move(source));
}
}
}
return true;
}
return false;
}
void QXmppFileShare::toXml(QXmlStreamWriter *writer) const
{
writer->writeStartElement("file-sharing");
writer->writeDefaultNamespace(ns_sfs);
writer->writeAttribute("disposition", dispositionToString(d->disposition));
d->metadata.toXml(writer);
writer->writeStartElement("sources");
for (const auto &source : d->httpSources) {
source.toXml(writer);
}
for (const auto &source : d->encryptedSources) {
source.toXml(writer);
}
writer->writeEndElement();
writer->writeEndElement();
}
/// \endcond
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