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/****************************************************************************
*
* (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
*
* QGroundControl is licensed according to the terms in the file
* COPYING.md in the root of the source code directory.
*
****************************************************************************/
/**
* @file
* @author Gus Grubba <mavlink@grubba.com>
* Original work: The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
*/
//#define DEBUG_GOOGLE_MAPS
#include "QGCApplication.h"
#include "QGCMapEngine.h"
#include "AppSettings.h"
#include "SettingsManager.h"
#include <QRegExp>
#include <QNetworkReply>
#include <QEventLoop>
#include <QTimer>
#include <QString>
#include <QByteArray>
#if defined(DEBUG_GOOGLE_MAPS)
#include <QFile>
#include <QStandardPaths>
#endif
static const unsigned char pngSignature[] = {0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A, 0x00};
static const unsigned char jpegSignature[] = {0xFF, 0xD8, 0xFF, 0x00};
static const unsigned char gifSignature[] = {0x47, 0x49, 0x46, 0x38, 0x00};
//-----------------------------------------------------------------------------
UrlFactory::UrlFactory()
: _timeout(5 * 1000)
#ifndef QGC_NO_GOOGLE_MAPS
, _googleVersionRetrieved(false)
, _googleReply(NULL)
#endif
{
QStringList langs = QLocale::system().uiLanguages();
if (langs.length() > 0) {
_language = langs[0];
}
#ifndef QGC_NO_GOOGLE_MAPS
// Google version strings
_versionGoogleMap = "m@354000000";
_versionGoogleSatellite = "692";
_versionGoogleLabels = "h@336";
_versionGoogleTerrain = "t@354,r@354000000";
_secGoogleWord = "Galileo";
#endif
// BingMaps
_versionBingMaps = "563";
}
//-----------------------------------------------------------------------------
UrlFactory::~UrlFactory()
{
#ifndef QGC_NO_GOOGLE_MAPS
if(_googleReply)
_googleReply->deleteLater();
#endif
}
//-----------------------------------------------------------------------------
QString
UrlFactory::getImageFormat(MapType type, const QByteArray& image)
{
QString format;
if(image.size() > 2)
{
if (image.startsWith(reinterpret_cast<const char*>(pngSignature)))
format = "png";
else if (image.startsWith(reinterpret_cast<const char*>(jpegSignature)))
format = "jpg";
else if (image.startsWith(reinterpret_cast<const char*>(gifSignature)))
format = "gif";
else {
switch (type) {
case GoogleMap:
case GoogleLabels:
case GoogleTerrain:
case GoogleHybrid:
case BingMap:
case StatkartTopo:
format = "png";
break;
case EniroTopo:
format = "png";
break;
/*
case MapQuestMap:
case MapQuestSat:
case OpenStreetMap:
*/
case MapboxStreets:
case MapboxLight:
case MapboxDark:
case MapboxSatellite:
case MapboxHybrid:
case MapboxWheatPaste:
case MapboxStreetsBasic:
case MapboxComic:
case MapboxOutdoors:
case MapboxRunBikeHike:
case MapboxPencil:
case MapboxPirates:
case MapboxEmerald:
case MapboxHighContrast:
case GoogleSatellite:
case BingSatellite:
case BingHybrid:
format = "jpg";
break;
default:
qWarning("UrlFactory::getImageFormat() Unknown map id %d", type);
break;
}
}
}
return format;
}
//-----------------------------------------------------------------------------
QNetworkRequest
UrlFactory::getTileURL(MapType type, int x, int y, int zoom, QNetworkAccessManager* networkManager)
{
//-- Build URL
QNetworkRequest request;
QString url = _getURL(type, x, y, zoom, networkManager);
if(url.isEmpty())
return request;
request.setUrl(QUrl(url));
request.setRawHeader("Accept", "*/*");
switch (type) {
#ifndef QGC_NO_GOOGLE_MAPS
case GoogleMap:
case GoogleSatellite:
case GoogleLabels:
case GoogleTerrain:
case GoogleHybrid:
request.setRawHeader("Referrer", "https://www.google.com/maps/preview");
break;
#endif
case BingHybrid:
case BingMap:
case BingSatellite:
request.setRawHeader("Referrer", "https://www.bing.com/maps/");
break;
case StatkartTopo:
request.setRawHeader("Referrer", "https://www.norgeskart.no/");
break;
case EniroTopo:
request.setRawHeader("Referrer", "https://www.eniro.se/");
break;
/*
case OpenStreetMapSurfer:
case OpenStreetMapSurferTerrain:
request.setRawHeader("Referrer", "http://www.mapsurfer.net/");
break;
case OpenStreetMap:
case OpenStreetOsm:
request.setRawHeader("Referrer", "https://www.openstreetmap.org/");
break;
*/
case EsriWorldStreet:
case EsriWorldSatellite:
case EsriTerrain: {
QByteArray token = qgcApp()->toolbox()->settingsManager()->appSettings()->esriToken()->rawValue().toString().toLatin1();
request.setRawHeader("User-Agent", QByteArrayLiteral("Qt Location based application"));
request.setRawHeader("User-Token", token);
}
return request;
default:
break;
}
request.setRawHeader("User-Agent", _userAgent);
return request;
}
//-----------------------------------------------------------------------------
#ifndef QGC_NO_GOOGLE_MAPS
void
UrlFactory::_getSecGoogleWords(int x, int y, QString &sec1, QString &sec2)
{
sec1 = ""; // after &x=...
sec2 = ""; // after &zoom=...
int seclen = ((x * 3) + y) % 8;
sec2 = _secGoogleWord.left(seclen);
if (y >= 10000 && y < 100000) {
sec1 = "&s=";
}
}
#endif
//-----------------------------------------------------------------------------
QString
UrlFactory::_getURL(MapType type, int x, int y, int zoom, QNetworkAccessManager* networkManager)
{
switch (type) {
#ifdef QGC_NO_GOOGLE_MAPS
Q_UNUSED(networkManager);
#else
case GoogleMap:
{
// http://mt1.google.com/vt/lyrs=m
QString server = "mt";
QString request = "vt";
QString sec1 = ""; // after &x=...
QString sec2 = ""; // after &zoom=...
_getSecGoogleWords(x, y, sec1, sec2);
_tryCorrectGoogleVersions(networkManager);
return QString("http://%1%2.google.com/%3/lyrs=%4&hl=%5&x=%6%7&y=%8&z=%9&s=%10").arg(server).arg(_getServerNum(x, y, 4)).arg(request).arg(_versionGoogleMap).arg(_language).arg(x).arg(sec1).arg(y).arg(zoom).arg(sec2);
}
break;
case GoogleSatellite:
{
// http://mt1.google.com/vt/lyrs=s
QString server = "khm";
QString request = "kh";
QString sec1 = ""; // after &x=...
QString sec2 = ""; // after &zoom=...
_getSecGoogleWords(x, y, sec1, sec2);
_tryCorrectGoogleVersions(networkManager);
return QString("http://%1%2.google.com/%3/v=%4&hl=%5&x=%6%7&y=%8&z=%9&s=%10").arg(server).arg(_getServerNum(x, y, 4)).arg(request).arg(_versionGoogleSatellite).arg(_language).arg(x).arg(sec1).arg(y).arg(zoom).arg(sec2);
}
break;
case GoogleLabels:
{
QString server = "mts";
QString request = "vt";
QString sec1 = ""; // after &x=...
QString sec2 = ""; // after &zoom=...
_getSecGoogleWords(x, y, sec1, sec2);
_tryCorrectGoogleVersions(networkManager);
return QString("http://%1%2.google.com/%3/lyrs=%4&hl=%5&x=%6%7&y=%8&z=%9&s=%10").arg(server).arg(_getServerNum(x, y, 4)).arg(request).arg(_versionGoogleLabels).arg(_language).arg(x).arg(sec1).arg(y).arg(zoom).arg(sec2);
}
break;
case GoogleTerrain:
{
QString server = "mt";
QString request = "vt";
QString sec1 = ""; // after &x=...
QString sec2 = ""; // after &zoom=...
_getSecGoogleWords(x, y, sec1, sec2);
_tryCorrectGoogleVersions(networkManager);
return QString("http://%1%2.google.com/%3/v=%4&hl=%5&x=%6%7&y=%8&z=%9&s=%10").arg(server).arg(_getServerNum(x, y, 4)).arg(request).arg(_versionGoogleTerrain).arg(_language).arg(x).arg(sec1).arg(y).arg(zoom).arg(sec2);
}
break;
#endif
case StatkartTopo:
{
return QString("http://opencache.statkart.no/gatekeeper/gk/gk.open_gmaps?layers=topo2&zoom=%1&x=%2&y=%3").arg(zoom).arg(x).arg(y);
}
break;
case EniroTopo:
{
return QString("http://map.eniro.com/geowebcache/service/tms1.0.0/map/%1/%2/%3.png").arg(zoom).arg(x).arg((1<<zoom)-1-y);
}
break;
/*
case OpenStreetMap:
{
char letter = "abc"[_getServerNum(x, y, 3)];
return QString("https://%1.tile.openstreetmap.org/%2/%3/%4.png").arg(letter).arg(zoom).arg(x).arg(y);
}
break;
case OpenStreetOsm:
{
char letter = "abc"[_getServerNum(x, y, 3)];
return QString("http://%1.tah.openstreetmap.org/Tiles/tile/%2/%3/%4.png").arg(letter).arg(zoom).arg(x).arg(y);
}
break;
case OpenStreetMapSurfer:
{
// http://tiles1.mapsurfer.net/tms_r.ashx?x=37378&y=20826&z=16
return QString("http://tiles1.mapsurfer.net/tms_r.ashx?x=%1&y=%2&z=%3").arg(x).arg(y).arg(zoom);
}
break;
case OpenStreetMapSurferTerrain:
{
// http://tiles2.mapsurfer.net/tms_t.ashx?x=9346&y=5209&z=14
return QString("http://tiles2.mapsurfer.net/tms_t.ashx?x=%1&y=%2&z=%3").arg(x).arg(y).arg(zoom);
}
break;
*/
case BingMap:
{
QString key = _tileXYToQuadKey(x, y, zoom);
return QString("http://ecn.t%1.tiles.virtualearth.net/tiles/r%2.png?g=%3&mkt=%4").arg(_getServerNum(x, y, 4)).arg(key).arg(_versionBingMaps).arg(_language);
}
break;
case BingSatellite:
{
QString key = _tileXYToQuadKey(x, y, zoom);
return QString("http://ecn.t%1.tiles.virtualearth.net/tiles/a%2.jpeg?g=%3&mkt=%4").arg(_getServerNum(x, y, 4)).arg(key).arg(_versionBingMaps).arg(_language);
}
break;
case BingHybrid:
{
QString key = _tileXYToQuadKey(x, y, zoom);
return QString("http://ecn.t%1.tiles.virtualearth.net/tiles/h%2.jpeg?g=%3&mkt=%4").arg(_getServerNum(x, y, 4)).arg(key).arg(_versionBingMaps).arg(_language);
}
/*
case MapQuestMap:
{
char letter = "1234"[_getServerNum(x, y, 4)];
return QString("http://otile%1.mqcdn.com/tiles/1.0.0/map/%2/%3/%4.jpg").arg(letter).arg(zoom).arg(x).arg(y);
}
break;
case MapQuestSat:
{
char letter = "1234"[_getServerNum(x, y, 4)];
return QString("http://otile%1.mqcdn.com/tiles/1.0.0/sat/%2/%3/%4.jpg").arg(letter).arg(zoom).arg(x).arg(y);
}
break;
*/
case EsriWorldStreet:
return QString("http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer/tile/%1/%2/%3").arg(zoom).arg(y).arg(x);
case EsriWorldSatellite:
return QString("http://server.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer/tile/%1/%2/%3").arg(zoom).arg(y).arg(x);
case EsriTerrain:
return QString("http://server.arcgisonline.com/ArcGIS/rest/services/World_Terrain_Base/MapServer/tile/%1/%2/%3").arg(zoom).arg(y).arg(x);
case MapboxStreets:
case MapboxLight:
case MapboxDark:
case MapboxSatellite:
case MapboxHybrid:
case MapboxWheatPaste:
case MapboxStreetsBasic:
case MapboxComic:
case MapboxOutdoors:
case MapboxRunBikeHike:
case MapboxPencil:
case MapboxPirates:
case MapboxEmerald:
case MapboxHighContrast:
{
QString mapBoxToken = qgcApp()->toolbox()->settingsManager()->appSettings()->mapboxToken()->rawValue().toString();
if(!mapBoxToken.isEmpty()) {
QString server = "https://api.mapbox.com/v4/";
switch(type) {
case MapboxStreets:
server += "mapbox.streets";
break;
case MapboxLight:
server += "mapbox.light";
break;
case MapboxDark:
server += "mapbox.dark";
break;
case MapboxSatellite:
server += "mapbox.satellite";
break;
case MapboxHybrid:
server += "mapbox.streets-satellite";
break;
case MapboxWheatPaste:
server += "mapbox.wheatpaste";
break;
case MapboxStreetsBasic:
server += "mapbox.streets-basic";
break;
case MapboxComic:
server += "mapbox.comic";
break;
case MapboxOutdoors:
server += "mapbox.outdoors";
break;
case MapboxRunBikeHike:
server += "mapbox.run-bike-hike";
break;
case MapboxPencil:
server += "mapbox.pencil";
break;
case MapboxPirates:
server += "mapbox.pirates";
break;
case MapboxEmerald:
server += "mapbox.emerald";
break;
case MapboxHighContrast:
server += "mapbox.high-contrast";
break;
default:
return QString::null;
}
server += QString("/%1/%2/%3.jpg80?access_token=%4").arg(zoom).arg(x).arg(y).arg(mapBoxToken);
return server;
}
}
break;
default:
qWarning("Unknown map id %d\n", type);
break;
}
return QString::null;
}
//-----------------------------------------------------------------------------
QString
UrlFactory::_tileXYToQuadKey(int tileX, int tileY, int levelOfDetail)
{
QString quadKey;
for (int i = levelOfDetail; i > 0; i--) {
char digit = '0';
int mask = 1 << (i - 1);
if ((tileX & mask) != 0) {
digit++;
}
if ((tileY & mask) != 0) {
digit++;
digit++;
}
quadKey.append(digit);
}
return quadKey;
}
//-----------------------------------------------------------------------------
int
UrlFactory::_getServerNum(int x, int y, int max)
{
return (x + 2 * y) % max;
}
//-----------------------------------------------------------------------------
#ifndef QGC_NO_GOOGLE_MAPS
void
UrlFactory::_networkReplyError(QNetworkReply::NetworkError error)
{
qWarning() << "Could not connect to google maps. Error:" << error;
if(_googleReply)
{
_googleReply->deleteLater();
_googleReply = NULL;
}
}
#endif
//-----------------------------------------------------------------------------
#ifndef QGC_NO_GOOGLE_MAPS
void
UrlFactory::_replyDestroyed()
{
_googleReply = NULL;
}
#endif
//-----------------------------------------------------------------------------
#ifndef QGC_NO_GOOGLE_MAPS
void
UrlFactory::_googleVersionCompleted()
{
if (!_googleReply || (_googleReply->error() != QNetworkReply::NoError)) {
qDebug() << "Error collecting Google maps version info";
return;
}
QString html = QString(_googleReply->readAll());
#if defined(DEBUG_GOOGLE_MAPS)
QString filename = QStandardPaths::writableLocation(QStandardPaths::HomeLocation);
filename += "/google.output";
QFile file(filename);
if (file.open(QIODevice::ReadWrite))
{
QTextStream stream( &file );
stream << html << endl;
}
#endif
QRegExp reg("\"*https?://mt\\D?\\d..*/vt\\?lyrs=m@(\\d*)", Qt::CaseInsensitive);
if (reg.indexIn(html) != -1) {
QStringList gc = reg.capturedTexts();
_versionGoogleMap = QString("m@%1").arg(gc[1]);
}
reg = QRegExp("\"*https?://khm\\D?\\d.googleapis.com/kh\\?v=(\\d*)", Qt::CaseInsensitive);
if (reg.indexIn(html) != -1) {
QStringList gc = reg.capturedTexts();
_versionGoogleSatellite = gc[1];
}
reg = QRegExp("\"*https?://mt\\D?\\d..*/vt\\?lyrs=t@(\\d*),r@(\\d*)", Qt::CaseInsensitive);
if (reg.indexIn(html) != -1) {
QStringList gc = reg.capturedTexts();
_versionGoogleTerrain = QString("t@%1,r@%2").arg(gc[1]).arg(gc[2]);
}
_googleReply->deleteLater();
_googleReply = NULL;
}
#endif
//-----------------------------------------------------------------------------
#ifndef QGC_NO_GOOGLE_MAPS
void
UrlFactory::_tryCorrectGoogleVersions(QNetworkAccessManager* networkManager)
{
QMutexLocker locker(&_googleVersionMutex);
if (_googleVersionRetrieved) {
return;
}
_googleVersionRetrieved = true;
if(networkManager)
{
QNetworkRequest qheader;
QNetworkProxy proxy = networkManager->proxy();
QNetworkProxy tProxy;
tProxy.setType(QNetworkProxy::DefaultProxy);
networkManager->setProxy(tProxy);
QSslConfiguration conf = qheader.sslConfiguration();
conf.setPeerVerifyMode(QSslSocket::VerifyNone);
qheader.setSslConfiguration(conf);
QString url = "http://maps.google.com/maps/api/js?v=3.2&sensor=false";
qheader.setUrl(QUrl(url));
QByteArray ua;
ua.append(getQGCMapEngine()->userAgent());
qheader.setRawHeader("User-Agent", ua);
_googleReply = networkManager->get(qheader);
connect(_googleReply, &QNetworkReply::finished, this, &UrlFactory::_googleVersionCompleted);
connect(_googleReply, &QNetworkReply::destroyed, this, &UrlFactory::_replyDestroyed);
connect(_googleReply, static_cast<void (QNetworkReply::*)(QNetworkReply::NetworkError)>(&QNetworkReply::error),
this, &UrlFactory::_networkReplyError);
networkManager->setProxy(proxy);
}
}
#endif
#define AVERAGE_GOOGLE_STREET_MAP 4913
#define AVERAGE_GOOGLE_TERRAIN_MAP 19391
#define AVERAGE_BING_STREET_MAP 1297
#define AVERAGE_BING_SAT_MAP 19597
#define AVERAGE_GOOGLE_SAT_MAP 56887
#define AVERAGE_MAPBOX_SAT_MAP 15739
#define AVERAGE_MAPBOX_STREET_MAP 5648
#define AVERAGE_TILE_SIZE 13652
//-----------------------------------------------------------------------------
quint32
UrlFactory::averageSizeForType(MapType type)
{
switch (type) {
case GoogleMap:
return AVERAGE_GOOGLE_STREET_MAP;
case BingMap:
return AVERAGE_BING_STREET_MAP;
case GoogleSatellite:
return AVERAGE_GOOGLE_SAT_MAP;
case MapboxSatellite:
return AVERAGE_MAPBOX_SAT_MAP;
case BingHybrid:
case BingSatellite:
return AVERAGE_BING_SAT_MAP;
case GoogleTerrain:
return AVERAGE_GOOGLE_TERRAIN_MAP;
case MapboxStreets:
case MapboxStreetsBasic:
case MapboxRunBikeHike:
return AVERAGE_MAPBOX_STREET_MAP;
case GoogleLabels:
case MapboxDark:
case MapboxLight:
case MapboxOutdoors:
case MapboxPencil:
case OpenStreetMap:
case GoogleHybrid:
case MapboxComic:
case MapboxEmerald:
case MapboxHighContrast:
case MapboxHybrid:
case MapboxPirates:
case MapboxWheatPaste:
default:
break;
}
return AVERAGE_TILE_SIZE;
}