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// SPDX-FileCopyrightText: 2022 Jonah Brüchert <jbb@kaidan.im>
//
// SPDX-License-Identifier: LGPL-2.1-or-later
#include "QXmppHttpFileSharingProvider.h"
#include "QXmppClient.h"
#include "QXmppDownload.h"
#include "QXmppHttpUploadManager.h"
#include "QXmppUpload.h"
#include "QXmppUtils.h"
#include "QXmppUtils_p.h"
#include <QMimeDatabase>
#include <QNetworkReply>
using namespace QXmpp;
using namespace QXmpp::Private;
///
/// \class QXmppHttpFileSharingProvider
///
/// A file sharing provider that uses HTTP File Upload to upload the file.
///
/// \since QXmpp 1.5
///
class QXmppSfsHttpUpload : public QXmppUpload
{
Q_OBJECT
public:
QXmppSfsHttpUpload(std::shared_ptr<QXmppHttpUpload> &&httpUpload)
: inner(std::move(httpUpload))
{
connect(inner.get(), &QXmppHttpUpload::finished, this, [this](const QXmppHttpUpload::Result &result) {
Q_EMIT uploadFinished(std::visit([](auto &&value) -> QXmpp::Private::UploadResult {
using T = std::decay_t<decltype(value)>;
if constexpr (std::is_same_v<T, QUrl>) {
return std::any(QXmppHttpFileSource(value));
} else if constexpr (std::is_same_v<T, Cancelled>) {
return Cancelled {};
} else if constexpr (std::is_same_v<T, QXmppError>) {
return value;
}
},
result));
});
connect(inner.get(), &QXmppHttpUpload::progressChanged,
this, &QXmppSfsHttpUpload::progressChanged);
}
float progress() override { return inner->progress(); }
void cancel() override { inner->cancel(); }
bool isFinished() override { return inner->isFinished(); }
quint64 bytesTransferred() override { return inner->bytesSent(); }
quint64 bytesTotal() override { return inner->bytesTotal(); }
private:
std::shared_ptr<QXmppHttpUpload> inner;
};
class QXmppHttpDownload : public QXmppDownload
{
float progress() override
{
return calculateProgress(m_bytesSent, m_bytesTotal);
}
void cancel() override
{
m_aborted = true;
reply->abort();
}
bool isFinished() override
{
return m_isFinished;
}
quint64 bytesTransferred() override
{
return m_bytesSent;
}
quint64 bytesTotal() override
{
return m_bytesTotal;
}
public:
void reportProgress(quint64 bytesSent, quint64 bytesTotal)
{
m_bytesSent = bytesSent;
m_bytesTotal = bytesTotal;
Q_EMIT progressChanged();
}
void reportFinished(Result &&result)
{
Q_EMIT finished(result);
m_isFinished = true;
}
[[nodiscard]] bool aborted() const
{
return m_aborted;
}
private:
QNetworkReply *reply = nullptr;
quint64 m_bytesSent = 0;
quint64 m_bytesTotal = 0;
bool m_isFinished = false;
bool m_aborted = false;
};
class QXmppHttpFileSharingProviderPrivate
{
public:
QXmppHttpUploadManager *manager;
QNetworkAccessManager *netManager;
};
///
/// \brief Create a QXmppHttpFileSharingProvider
/// \param client
/// \param netManager QNetworkAccessManager that can be reused all over your application.
///
QXmppHttpFileSharingProvider::QXmppHttpFileSharingProvider(QXmppClient *client, QNetworkAccessManager *netManager)
: d(std::make_unique<QXmppHttpFileSharingProviderPrivate>())
{
qRegisterMetaType<QXmpp::Private::UploadResult>();
Q_ASSERT(client);
d->manager = client->findExtension<QXmppHttpUploadManager>();
Q_ASSERT(d->manager);
d->netManager = netManager;
}
QXmppHttpFileSharingProvider::~QXmppHttpFileSharingProvider() = default;
auto QXmppHttpFileSharingProvider::downloadFile(const std::any &source, std::unique_ptr<QIODevice> &&target)
-> std::shared_ptr<QXmppDownload>
{
QXmppHttpFileSource httpSource;
try {
httpSource = std::any_cast<QXmppHttpFileSource>(source);
} catch (const std::bad_any_cast &) {
qFatal("QXmppHttpFileSharingProvider::downloadFile can only handle QXmppHttpFileSharingProvider sources");
}
auto *reply = d->netManager->get(QNetworkRequest(httpSource.url()));
auto download = std::make_shared<QXmppHttpDownload>();
QObject::connect(reply, &QNetworkReply::finished, [=]() {
if (reply->error() != QNetworkReply::NoError) {
download->reportFinished(QXmppError::fromIoDevice(*reply));
} else if (download->aborted()) {
download->reportFinished(Cancelled());
} else {
download->reportFinished(Success());
}
reply->deleteLater();
});
QObject::connect(reply, &QNetworkReply::readyRead, [file = std::move(target), reply]() {
file->write(reply->readAll());
});
QObject::connect(reply, &QNetworkReply::downloadProgress, [=](qint64 bytesReceived, qint64 bytesTotal) {
download->reportProgress(bytesReceived, bytesTotal);
});
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
QObject::connect(reply, &QNetworkReply::errorOccurred,
#else
QObject::connect(reply, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::error),
#endif
[download, reply]() {
download->reportFinished(QXmppError::fromNetworkReply(*reply));
});
QObject::connect(reply, &QNetworkReply::uploadProgress, [download](qint64 sent, qint64 total) {
quint64 sentBytes = sent < 0 ? 0 : quint64(sent);
quint64 totalBytes = total < 0 ? 0 : quint64(total);
download->reportProgress(sentBytes, totalBytes);
});
return download;
}
auto QXmppHttpFileSharingProvider::uploadFile(std::unique_ptr<QIODevice> data,
const QXmppFileMetadata &info)
-> std::shared_ptr<QXmppUpload>
{
Q_ASSERT(d->manager);
auto upload = d->manager->uploadFile(
std::move(data),
info.filename().value_or(QXmppUtils::generateStanzaHash(10)),
info.mediaType().value_or(QMimeDatabase().mimeTypeForName("application/octet-stream")),
info.size() ? info.size().value() : -1);
return std::make_shared<QXmppSfsHttpUpload>(std::move(upload));
}
#include "QXmppHttpFileSharingProvider.moc"
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