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/************************************************************************
*
* Copyright (C) 2009-2025 IRCAD France
* Copyright (C) 2012-2019 IHU Strasbourg
*
* This file is part of Sight.
*
* Sight 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 3 of the License, or
* (at your option) any later version.
*
* Sight 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sight. If not, see <https://www.gnu.org/licenses/>.
*
***********************************************************************/
#include "client_qt.hpp"
#include <core/os/temp_path.hpp>
#include <ui/__/dialog/message.hpp>
#include <QList>
#include <QtNetwork>
#include <filesystem>
namespace sight::io::http
{
client_qt::client_qt()
= default;
//-----------------------------------------------------------------------------
client_qt::~client_qt()
= default;
//-----------------------------------------------------------------------------
QByteArray client_qt::get(request::sptr _request)
{
QNetworkAccessManager network_manager;
const QUrl qt_url(QString::fromStdString(_request->get_url()));
QNetworkRequest qt_request(qt_url);
sight::io::http::client_qt::compute_headers(qt_request, _request->get_headers());
QNetworkReply* reply = network_manager.get(qt_request);
QEventLoop loop;
QObject::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
QObject::connect(
reply,
QOverload<QNetworkReply::NetworkError>::of(
&QNetworkReply::errorOccurred
),
this,
&client_qt::process_error
);
loop.exec();
QByteArray data = reply->readAll();
reply->deleteLater();
return data;
}
//-----------------------------------------------------------------------------
std::string client_qt::get_file(request::sptr _request)
{
QNetworkAccessManager network_manager;
const QUrl qt_url(QString::fromStdString(_request->get_url()));
QNetworkRequest qt_request(qt_url);
sight::io::http::client_qt::compute_headers(qt_request, _request->get_headers());
QNetworkReply* reply = network_manager.get(qt_request);
QEventLoop loop;
QObject::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
QObject::connect(
reply,
QOverload<QNetworkReply::NetworkError>::of(
&QNetworkReply::errorOccurred
),
this,
&client_qt::process_error
);
std::filesystem::path file_path = core::os::temp_file::unique_path();
QFile file(file_path.string().c_str());
if(!file.open(QIODevice::WriteOnly))
{
throw std::runtime_error("Could not create a temporary file");
}
QObject::connect(reply, &QNetworkReply::readyRead, [&]{file.write(reply->readAll());});
loop.exec();
file.write(reply->readAll());
reply->deleteLater();
return file_path.string();
}
//-----------------------------------------------------------------------------
void client_qt::process_error(QNetworkReply::NetworkError _error_code)
{
QMetaObject meta_object = QNetworkReply::staticMetaObject;
QMetaEnum meta_enum = meta_object.enumerator(meta_object.indexOfEnumerator("NetworkError"));
const char* desc = meta_enum.valueToKey(_error_code);
switch(_error_code)
{
case QNetworkReply::ConnectionRefusedError:
throw io::http::exceptions::connection_refused(desc);
break;
case QNetworkReply::HostNotFoundError:
throw io::http::exceptions::host_not_found(desc);
break;
case QNetworkReply::ContentNotFoundError:
throw io::http::exceptions::content_not_found(desc);
break;
default:
throw io::http::exceptions::base(desc);
break;
}
}
//-----------------------------------------------------------------------------
QByteArray client_qt::post(request::sptr _request, const QByteArray& _body)
{
QNetworkAccessManager network_manager;
const QUrl qt_url(QString::fromStdString(_request->get_url()));
QNetworkRequest qt_request(qt_url);
qt_request.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
sight::io::http::client_qt::compute_headers(qt_request, _request->get_headers());
QNetworkReply* reply = network_manager.post(qt_request, _body);
QEventLoop loop;
QObject::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
QObject::connect(
reply,
&QNetworkReply::errorOccurred,
this,
&client_qt::process_error
);
loop.exec();
QByteArray data = reply->readAll();
delete reply;
return data;
}
//-----------------------------------------------------------------------------
void client_qt::compute_headers(QNetworkRequest& _request, const request::headers_t& _headers)
{
auto c_it = _headers.begin();
for( ; c_it != _headers.end() ; ++c_it)
{
_request.setRawHeader(c_it->first.c_str(), c_it->second.c_str());
}
}
//-----------------------------------------------------------------------------
request::headers_t client_qt::head(request::sptr _request)
{
QNetworkAccessManager network_manager;
request::headers_t headers;
const QUrl qt_url(QString::fromStdString(_request->get_url()));
QNetworkRequest qt_request(qt_url);
client_qt::compute_headers(qt_request, _request->get_headers());
QNetworkReply* reply = network_manager.head(qt_request);
QEventLoop loop;
QObject::connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
loop.exec();
const QList<QNetworkReply::RawHeaderPair>& raw_headers = reply->rawHeaderPairs();
QList<QNetworkReply::RawHeaderPair>::const_iterator c_it = raw_headers.begin();
for( ; c_it != raw_headers.end() ; ++c_it)
{
headers[c_it->first.data()] = c_it->second.data();
}
reply->deleteLater();
return headers;
}
//-----------------------------------------------------------------------------
} // namespace sight::io::http
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