sdrangel/plugins/feature/map/osmtemplateserver.h

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2021-11-23 16:44:07 +00:00
///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2021 Jon Beniston, M7RCE //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation as version 3 of the License, or //
// (at your option) any later version. //
// //
// This program 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 General Public License V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_OSMTEMPLATE_SERVER_H_
#define INCLUDE_OSMTEMPLATE_SERVER_H_
#include <QTcpServer>
#include <QTcpSocket>
#include <QDebug>
class OSMTemplateServer : public QTcpServer
{
Q_OBJECT
private:
QString m_thunderforestAPIKey;
QString m_maptilerAPIKey;
public:
// port - port to listen on / is listening on. Use 0 for any free port.
OSMTemplateServer(const QString &thunderforestAPIKey, const QString &maptilerAPIKey, quint16 &port, QObject* parent = 0) :
QTcpServer(parent),
m_thunderforestAPIKey(thunderforestAPIKey),
m_maptilerAPIKey(maptilerAPIKey)
{
listen(QHostAddress::Any, port);
port = serverPort();
}
void incomingConnection(qintptr socket) override
{
QTcpSocket* s = new QTcpSocket(this);
connect(s, SIGNAL(readyRead()), this, SLOT(readClient()));
connect(s, SIGNAL(disconnected()), this, SLOT(discardClient()));
s->setSocketDescriptor(socket);
//addPendingConnection(socket);
}
private slots:
void readClient()
{
QStringList map({"/cycle", "/cycle-hires", "/hiking", "/hiking-hires", "/night-transit", "/night-transit-hires", "/terrain", "/terrain-hires", "/transit", "/transit-hires"});
QStringList mapId({"thf-cycle", "thf-cycle-hires", "thf-hike", "thf-hike-hires", "thf-nighttransit", "thf-nighttransit-hires", "thf-landsc", "thf-landsc-hires", "thf-transit", "thf-transit-hires"});
QStringList mapUrl({"cycle", "cycle", "outdoors", "outdoors", "transport-dark", "transport-dark", "landscape", "landscape", "transport", "transport"});
QTcpSocket* socket = (QTcpSocket*)sender();
if (socket->canReadLine())
{
QString line = socket->readLine();
qDebug() << "HTTP Request: " << line;
QStringList tokens = QString(line).split(QRegExp("[ \r\n][ \r\n]*"));
if (tokens[0] == "GET")
{
bool hires = tokens[1].contains("hires");
QString hiresURL = hires ? "@2x" : "";
QString xml;
if ((tokens[1] == "/street") || (tokens[1] == "/street-hires"))
{
xml = QString("\
{\
\"UrlTemplate\" : \"https://maps.wikimedia.org/osm-intl/%z/%x/%y%1.png\",\
\"ImageFormat\" : \"png\",\
\"QImageFormat\" : \"Indexed8\",\
\"ID\" : \"wmf-intl-%2x\",\
\"MaximumZoomLevel\" : 18,\
\"MapCopyRight\" : \"<a href='https://wikimediafoundation.org/wiki/Terms_of_Use'>WikiMedia Foundation</a>\",\
\"DataCopyRight\" : \"<a href='http://www.openstreetmap.org/copyright'>OpenStreetMap</a> contributors\"\
}").arg(hiresURL).arg(hires ? 1 : 2);
}
else if (tokens[1] == "/satellite")
{
xml = QString("\
{\
\"Enabled\" : true,\
\"UrlTemplate\" : \"https://api.maptiler.com/tiles/satellite/%z/%x/%y%1.jpg?key=%2\",\
\"ImageFormat\" : \"jpg\",\
\"QImageFormat\" : \"RGB888\",\
\"ID\" : \"usgs-l7\",\
\"MaximumZoomLevel\" : 20,\
\"MapCopyRight\" : \"<a href='http://maptiler.com/'>Maptiler</a>\",\
\"DataCopyRight\" : \"<a href='http://maptiler.com'>Maptiler</a>\"\
}").arg(hiresURL).arg(m_maptilerAPIKey);
}
else
{
int idx = map.indexOf(tokens[1]);
if (idx != -1)
{
xml = QString("\
{\
\"UrlTemplate\" : \"http://a.tile.thunderforest.com/%1/%z/%x/%y%4.png?apikey=%2\",\
\"ImageFormat\" : \"png\",\
\"QImageFormat\" : \"Indexed8\",\
\"ID\" : \"%3\",\
\"MaximumZoomLevel\" : 20,\
\"MapCopyRight\" : \"<a href='http://www.thunderforest.com/'>Thunderforest</a>\",\
\"DataCopyRight\" : \"<a href='http://www.openstreetmap.org/copyright'>OpenStreetMap</a> contributors\"\
}").arg(mapUrl[idx]).arg(m_thunderforestAPIKey).arg(mapId[idx]).arg(hiresURL);
}
}
QTextStream os(socket);
os.setAutoDetectUnicode(true);
os << "HTTP/1.0 200 Ok\r\n"
"Content-Type: text/html; charset=\"utf-8\"\r\n"
"\r\n"
<< xml << "\n";
socket->close();
if (socket->state() == QTcpSocket::UnconnectedState) {
delete socket;
}
}
}
}
void discardClient()
{
QTcpSocket* socket = (QTcpSocket*)sender();
socket->deleteLater();
}
};
#endif