mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-12-23 10:05:46 -05:00
24d80f8ab0
VOR localizer: Allow plugin to be compiled as static lib. SID feature: Allow plugin to be compiled as static lib. Satellite Tracker: Allow building without texttospeech or timezone. Map: Allow plugin to be compiled as static lib. Allow building without SSL. APT: Allow plugin to be compiled as static lib. Radio Astronomy: Allow plugin to be compiled as static lib. Allow building without process. ChannelWebAPIUtils: Fix memory leaks. DeviceSampleSource: Add signals that indicate when the position or direction of a device (or it's antenna) has changed. This is to support per device position, which is useful for remote devices not at My Position.
436 lines
16 KiB
C++
436 lines
16 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2021, 2023 Jon Beniston, M7RCE <jon@beniston.com> //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_MAPTILESERVER_H_
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#define INCLUDE_MAPTILESERVER_H_
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#include <QTcpServer>
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#include <QTcpSocket>
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#include <QRegularExpression>
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#include <QDebug>
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#include <QtNetwork>
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#include <QImage>
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#include <QPainter>
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#include <QHash>
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#include <QMutex>
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#include <QMutexLocker>
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#include <QNetworkDiskCache>
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class MapTileServer : public QTcpServer
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{
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Q_OBJECT
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private:
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QString m_thunderforestAPIKey;
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QString m_maptilerAPIKey;
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QNetworkAccessManager m_manager;
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QMutex m_mutex;
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struct TileJob {
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QTcpSocket* m_socket;
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QList<QString> m_urls;
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QHash<QString, QImage> m_images;
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QString m_format;
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};
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QList<TileJob *> m_tileJobs;
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QHash<QNetworkReply *, TileJob *> m_replies;
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QNetworkDiskCache *m_cache;
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QString m_radarPath;
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QString m_satellitePath;
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QString m_nasaGlobalImageryPath;
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QString m_nasaGlobalImageryFormat;
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bool m_displayRain;
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bool m_displayClouds;
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bool m_displaySeaMarks;
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bool m_displayRailways;
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bool m_displayNASAGlobalImagery;
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public:
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// port - port to listen on / is listening on. Use 0 for any free port.
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MapTileServer(quint16 &port, QObject* parent = 0) :
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QTcpServer(parent),
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m_thunderforestAPIKey(""),
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m_maptilerAPIKey(""),
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m_radarPath(""),
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m_satellitePath(""),
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m_nasaGlobalImageryPath(""),
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m_nasaGlobalImageryFormat(""),
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m_displayRain(false),
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m_displayClouds(false),
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m_displaySeaMarks(false),
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m_displayRailways(false),
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m_displayNASAGlobalImagery(false)
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{
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connect(&m_manager, &QNetworkAccessManager::finished, this, &MapTileServer::downloadFinished);
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listen(QHostAddress::Any, port);
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port = serverPort();
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QStringList locations = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
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QDir writeableDir(locations[0]);
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if (!writeableDir.mkpath(QStringLiteral("cache") + QDir::separator() + QStringLiteral("maptiles"))) {
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qDebug() << "Failed to create cache/maptiles";
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}
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m_cache = new QNetworkDiskCache();
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m_cache->setCacheDirectory(locations[0] + QDir::separator() + QStringLiteral("cache") + QDir::separator() + QStringLiteral("maptiles"));
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m_cache->setMaximumCacheSize(1000000000);
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m_manager.setCache(m_cache);
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}
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~MapTileServer()
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{
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disconnect(&m_manager, &QNetworkAccessManager::finished, this, &MapTileServer::downloadFinished);
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delete m_cache;
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}
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void setThunderforestAPIKey(const QString& thunderforestAPIKey)
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{
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m_thunderforestAPIKey = thunderforestAPIKey;
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}
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void setMaptilerAPIKey(const QString& maptilerAPIKey)
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{
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m_maptilerAPIKey = maptilerAPIKey;
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}
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void setRadarPath(const QString& radarPath)
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{
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m_radarPath = radarPath;
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}
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void setSatellitePath(const QString& satellitePath)
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{
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m_satellitePath = satellitePath;
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}
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void setNASAGlobalImageryPath(const QString& nasaGlobalImageryPath)
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{
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m_nasaGlobalImageryPath = nasaGlobalImageryPath;
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}
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void setNASAGlobalImageryFormat(const QString& nasaGlobalImageryFormat)
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{
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m_nasaGlobalImageryFormat = nasaGlobalImageryFormat;
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}
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void setDisplaySeaMarks(bool displaySeaMarks)
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{
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m_displaySeaMarks = displaySeaMarks;
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}
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void setDisplayRailways(bool displayRailways)
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{
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m_displayRailways = displayRailways;
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}
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void setDisplayRain(bool displayRain)
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{
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m_displayRain = displayRain;
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}
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void setDisplayClouds(bool displayClouds)
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{
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m_displayClouds = displayClouds;
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}
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void setDisplayNASAGlobalImagery(bool displayNASAGlobalImagery)
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{
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m_displayNASAGlobalImagery = displayNASAGlobalImagery;
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}
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void incomingConnection(qintptr socket) override
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{
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QTcpSocket* s = new QTcpSocket(this);
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connect(s, SIGNAL(readyRead()), this, SLOT(readClient()));
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connect(s, SIGNAL(disconnected()), this, SLOT(discardClient()));
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s->setSocketDescriptor(socket);
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//addPendingConnection(socket);
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}
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bool isHttpRedirect(QNetworkReply *reply)
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{
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int status = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
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// 304 is file not changed, but maybe we did
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return (status >= 301 && status <= 308);
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}
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QNetworkReply *download(const QUrl &url)
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{
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QNetworkRequest request(url);
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request.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
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request.setRawHeader("User-Agent", "SDRangel"); // Required by a.tile.openstreetmap.org
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// Don't cache rainviwer data as it's dynamic
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if (!url.toString().contains("tilecache.rainviewer")) {
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request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
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}
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QNetworkReply *reply = m_manager.get(request);
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#ifndef QT_NO_OPENSSL
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connect(reply, &QNetworkReply::sslErrors, this, &MapTileServer::sslErrors);
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#endif
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//qDebug() << "MapTileServer: Downloading from " << url;
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return reply;
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}
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QImage combine(const TileJob *job)
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{
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// Don't use job->m_images[job->m_urls[0]].size() as not always valid (E.g. map tiler can return http 204 - no content)
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// Do we need to support 512x512?
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QImage image(QSize(256, 256), QImage::Format_ARGB32_Premultiplied);
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image.fill(qPremultiply(QColor(0, 0, 0, 0).rgba()));
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QPainter painter(&image);
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for (int i = 0; i < job->m_images.size(); i++) {
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const QImage &img = job->m_images[job->m_urls[i]];
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//qDebug() << "Image format " << i << " is " << img.format() << img.size();
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}
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for (int i = 0; i < job->m_images.size(); i++) {
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const QImage &img = job->m_images[job->m_urls[i]];
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//img.save(QString("in%1.png").arg(i), "PNG");
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if (img.format() != QImage::Format_Invalid) {
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painter.drawImage(image.rect(), img);
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}
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}
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return image;
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}
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void replyImage(QTcpSocket* socket, const QImage& image, const QString& format)
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{
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QByteArray ba;
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QBuffer buffer(&ba);
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buffer.open(QIODevice::WriteOnly);
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image.save(&buffer, qPrintable(format));
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//qDebug() << "socket: " << socket << "thread:" << QThread::currentThread();
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socket->write("HTTP/1.0 200 Ok\r\n"
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"Content-Type: image/png\r\n"
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"\r\n");
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socket->write(buffer.buffer());
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socket->close();
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if (socket->state() == QTcpSocket::UnconnectedState) {
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delete socket;
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}
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}
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void replyError(QTcpSocket* socket)
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{
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QTextStream os(socket);
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os.setAutoDetectUnicode(true);
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os << "HTTP/1.0 404 Not Found\r\n"
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"Content-Type: text/html\r\n"
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"\r\n"
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"<html>Not found</html>\r\n";
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socket->close();
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if (socket->state() == QTcpSocket::UnconnectedState) {
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delete socket;
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}
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}
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private slots:
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void readClient()
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{
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QMutexLocker locker(&m_mutex);
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QTcpSocket* socket = (QTcpSocket*)sender();
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if (socket->canReadLine())
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{
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QString line = socket->readLine();
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qDebug() << "HTTP Request: " << line;
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QStringList tokens = QString(line).split(QRegularExpression("[ \r\n][ \r\n]*"));
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if (tokens[0] == "GET")
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{
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QString xml = "";
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// Create multiple requests for each image
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// https://wiki.openstreetmap.org/wiki/Raster_tile_providers
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// rain radar: https://tilecache.rainviewer.com/v2/radar/{timestamp=1705359600}/{size=256}/z/x/y/{color=0}/{options=1_1}.png
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// "GET /street/1/2/3.png HTTP/1.1\r\n"
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const QRegularExpression re("\\/([A-Za-z0-9\\-_]+)\\/([0-9]+)\\/([0-9]+)\\/([0-9]+).(png|jpg)");
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QRegularExpressionMatch match = re.match(tokens[1]);
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if (match.hasMatch())
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{
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QString map, x, y, z, format;
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map = match.captured(1);
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z = match.captured(2);
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x = match.captured(3);
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y = match.captured(4);
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format = match.captured(5);
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TileJob *job = new TileJob;
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//qDebug() << "Created job" << job << "socket:" << socket << "thread:" << QThread::currentThread() ;
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job->m_socket = socket;
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if (format == "png") {
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job->m_format = "PNG";
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} else {
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job->m_format = "JPG";
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}
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// This should match code in OSMTemplateServer::readClient
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QString baseMapURL;
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if (map == "street") {
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baseMapURL = QString("https://tile.openstreetmap.org/%3/%1/%2.png").arg(x).arg(y).arg(z);
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} else if (map == "satellite") {
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baseMapURL = QString("https://api.maptiler.com/tiles/satellite-v2/%3/%1/%2.jpg?key=%4").arg(x).arg(y).arg(z).arg(m_maptilerAPIKey);
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} else if ((map == "dark_nolabels") || (map == "light_nolabels")) {
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baseMapURL = QString("http://1.basemaps.cartocdn.com/%4/%3/%1/%2.png").arg(x).arg(y).arg(z).arg(map);
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} else {
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baseMapURL = QString("http://a.tile.thunderforest.com/%4/%3/%1/%2.png?apikey=%5").arg(x).arg(y).arg(z).arg(map).arg(m_thunderforestAPIKey);
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}
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job->m_urls.append(baseMapURL);
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if (m_displaySeaMarks) {
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job->m_urls.append(QString("https://tiles.openseamap.org/seamark/%3/%1/%2.png").arg(x).arg(y).arg(z));
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}
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if (m_displayRailways) {
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job->m_urls.append(QString("https://a.tiles.openrailwaymap.org/standard/%3/%1/%2.png").arg(x).arg(y).arg(z));
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}
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if (m_displayNASAGlobalImagery && !m_nasaGlobalImageryPath.isEmpty()) {
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job->m_urls.append(QString("https://gibs.earthdata.nasa.gov/wmts/epsg3857/best/%4/%3/%2/%1.%5").arg(x).arg(y).arg(z).arg(m_nasaGlobalImageryPath).arg(m_nasaGlobalImageryFormat)); // x,y reversed compared to others
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}
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if (m_displayClouds && !m_satellitePath.isEmpty()) {
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job->m_urls.append(QString("https://tilecache.rainviewer.com%4/256/%3/%1/%2/0/0_0.png").arg(x).arg(y).arg(z).arg(m_satellitePath));
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}
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if (m_displayRain && !m_radarPath.isEmpty()) {
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job->m_urls.append(QString("https://tilecache.rainviewer.com%4/256/%3/%1/%2/4/1_1.png").arg(x).arg(y).arg(z).arg(m_radarPath));
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}
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m_tileJobs.append(job);
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for (const auto& url : job->m_urls)
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{
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QNetworkReply *reply = download(QUrl(url));
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m_replies.insert(reply, job);
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}
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}
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else
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{
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replyError(socket);
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}
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}
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}
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}
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void discardClient()
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{
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QTcpSocket* socket = (QTcpSocket*)sender();
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//qDebug() << "discardClient socket:" << socket;
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socket->deleteLater();
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for (auto job : m_tileJobs) {
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if (job->m_socket == socket) {
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//qDebug() << "Socket closed on active job. job: " << job << "socket" << socket;
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job->m_socket = nullptr;
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}
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}
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}
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void downloadFinished(QNetworkReply *reply)
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{
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QMutexLocker locker(&m_mutex);
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//QString url = reply->url().toEncoded().constData();
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QString url = reply->request().url().toEncoded().constData(); // reply->url() may differ if redirection occurred, so use requested
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if (!isHttpRedirect(reply))
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{
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QByteArray data = reply->readAll();
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QImage image;
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if (!reply->error())
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{
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if (!image.loadFromData(data))
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{
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qDebug() << "MapTileServer::downloadFinished: Failed to load image: " << url;
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}
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}
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else
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{
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qDebug() << "MapTileServer::downloadFinished: Error: " << reply->error() << "for" << url;
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}
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bool found = false;
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TileJob *job = m_replies[reply];
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if (!m_tileJobs.contains(job)) {
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qDebug() << "job has been deleted!";
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}
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for (const auto& jobURL : job->m_urls)
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{
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if (jobURL == url)
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{
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job->m_images.insert(url, image);
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if (job->m_urls.size() == job->m_images.size())
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{
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// All images available
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QImage combinedImage = combine(job);
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if (job->m_socket)
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{
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replyImage(job->m_socket, combinedImage, job->m_format);
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job->m_socket = nullptr;
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m_tileJobs.removeAll(job);
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delete job;
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//qDebug() << "Delete job" << job;
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}
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else
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{
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qDebug() << "Socket was null. URL: " << url << "job:" << job;
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}
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}
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found = true;
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break;
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}
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}
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if (!found) {
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qDebug() << "MapTileServer::downloadFinished: Failed to match URL: " << url;
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}
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}
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else
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{
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qDebug() << "MapTileServer::downloadFinished: Redirect";
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}
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reply->deleteLater();
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m_replies.remove(reply);
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}
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#ifndef QT_NO_OPENSSL
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void sslErrors(const QList<QSslError> &sslErrors)
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{
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for (const QSslError &error : sslErrors)
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{
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qCritical() << "MapTileServer: SSL error" << (int)error.error() << ": " << error.errorString();
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#ifdef ANDROID
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// On Android 6 (but not on 12), we always seem to get: "The issuer certificate of a locally looked up certificate could not be found"
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// which causes downloads to fail, so ignore
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if (error.error() == QSslError::UnableToGetLocalIssuerCertificate)
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{
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QNetworkReply *reply = qobject_cast<QNetworkReply *>(sender());
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QList<QSslError> errorsThatCanBeIgnored;
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errorsThatCanBeIgnored << QSslError(QSslError::UnableToGetLocalIssuerCertificate, error.certificate());
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reply->ignoreSslErrors(errorsThatCanBeIgnored);
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}
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#endif
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}
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}
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#endif
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};
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#endif
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