void QgsFileDownloader::startDownload()
{
QgsNetworkAccessManager* nam = QgsNetworkAccessManager::instance();
QNetworkRequest request( mUrl );
if ( mReply )
{
disconnect( mReply, &QNetworkReply::readyRead, this, &QgsFileDownloader::onReadyRead );
disconnect( mReply, &QNetworkReply::finished, this, &QgsFileDownloader::onFinished );
disconnect( mReply, &QNetworkReply::downloadProgress, this, &QgsFileDownloader::onDownloadProgress );
mReply->abort();
mReply->deleteLater();
}
mReply = nam->get( request );
connect( mReply, &QNetworkReply::readyRead, this, &QgsFileDownloader::onReadyRead );
connect( mReply, &QNetworkReply::finished, this, &QgsFileDownloader::onFinished );
connect( mReply, &QNetworkReply::downloadProgress, this, &QgsFileDownloader::onDownloadProgress );
connect( nam, &QgsNetworkAccessManager::requestTimedOut, this, &QgsFileDownloader::onRequestTimedOut, Qt::UniqueConnection );
#ifndef QT_NO_SSL
connect( nam, &QgsNetworkAccessManager::sslErrors, this, &QgsFileDownloader::onSslErrors, Qt::UniqueConnection );
#endif
if ( mGuiNotificationsEnabled )
{
mProgressDialog = new QProgressDialog();
mProgressDialog->setWindowTitle( tr( "Download" ) );
mProgressDialog->setLabelText( tr( "Downloading %1." ).arg( mFile.fileName() ) );
mProgressDialog->show();
connect( mProgressDialog, &QProgressDialog::canceled, this, &QgsFileDownloader::onDownloadCanceled );
}
}
void QgsServer::setupNetworkAccessManager()
{
QSettings settings;
QgsNetworkAccessManager *nam = QgsNetworkAccessManager::instance();
QNetworkDiskCache *cache = new QNetworkDiskCache( nullptr );
qint64 cacheSize = sSettings.cacheSize();
QString cacheDirectory = sSettings.cacheDirectory();
cache->setCacheDirectory( cacheDirectory );
cache->setMaximumCacheSize( cacheSize );
QgsMessageLog::logMessage( QStringLiteral( "cacheDirectory: %1" ).arg( cache->cacheDirectory() ), QStringLiteral( "Server" ), Qgis::Info );
QgsMessageLog::logMessage( QStringLiteral( "maximumCacheSize: %1" ).arg( cache->maximumCacheSize() ), QStringLiteral( "Server" ), Qgis::Info );
nam->setCache( cache );
}
/**
* @brief QgsServer::setupNetworkAccessManager
*/
void QgsServer::setupNetworkAccessManager()
{
QSettings settings;
QgsNetworkAccessManager *nam = QgsNetworkAccessManager::instance();
QNetworkDiskCache *cache = new QNetworkDiskCache( 0 );
QString cacheDirectory = settings.value( "cache/directory", QgsApplication::qgisSettingsDirPath() + "cache" ).toString();
qint64 cacheSize = settings.value( "cache/size", 50 * 1024 * 1024 ).toULongLong();
QgsDebugMsg( QString( "setCacheDirectory: %1" ).arg( cacheDirectory ) );
QgsDebugMsg( QString( "setMaximumCacheSize: %1" ).arg( cacheSize ) );
cache->setCacheDirectory( cacheDirectory );
cache->setMaximumCacheSize( cacheSize );
QgsDebugMsg( QString( "cacheDirectory: %1" ).arg( cache->cacheDirectory() ) );
QgsDebugMsg( QString( "maximumCacheSize: %1" ).arg( cache->maximumCacheSize() ) );
nam->setCache( cache );
}
bool QgsGlobePluginDialog::validateRemoteUri( const QString &uri, QString &errMsg ) const
{
QUrl url( uri );
QgsNetworkAccessManager *nam = QgsNetworkAccessManager::instance();
QNetworkReply *reply = nullptr;
while ( true )
{
QNetworkRequest req( url );
req.setRawHeader( "User-Agent", "Wget/1.13.4" );
reply = nam->get( req );
QTimer timer;
QEventLoop loop;
QObject::connect( &timer, SIGNAL( timeout() ), &loop, SLOT( quit() ) );
QObject::connect( reply, SIGNAL( finished() ), &loop, SLOT( quit() ) );
timer.setSingleShot( true );
timer.start( 500 );
loop.exec();
if ( reply->isRunning() )
{
// Timeout
reply->close();
delete reply;
errMsg = tr( "Timeout" );
return false;
}
QUrl redirectUrl = reply->attribute( QNetworkRequest::RedirectionTargetAttribute ).toUrl();
if ( redirectUrl.isValid() && url != redirectUrl )
{
delete reply;
url = redirectUrl;
}
else
{
break;
}
}
errMsg = reply->error() == QNetworkReply::NoError ? QString() : reply->errorString();
delete reply;
return errMsg.isEmpty();
}
bool QgsOSMDownload::start()
{
mError.clear();
if ( mQuery.isEmpty() )
{
mError = tr( "No query has been specified." );
return false;
}
if ( mReply )
{
mError = tr( "There is already a pending request for data." );
return false;
}
if ( !mFile.open( QIODevice::WriteOnly | QIODevice::Truncate ) )
{
mError = tr( "Cannot open output file: %1" ).arg( mFile.fileName() );
return false;
}
QgsNetworkAccessManager* nwam = QgsNetworkAccessManager::instance();
QUrl url( mServiceUrl );
url.addQueryItem( QStringLiteral( "data" ), mQuery );
QNetworkRequest request( url );
request.setRawHeader( "User-Agent", "QGIS" );
mReply = nwam->get( request );
connect( mReply, SIGNAL( readyRead() ), this, SLOT( onReadyRead() ) );
connect( mReply, SIGNAL( error( QNetworkReply::NetworkError ) ), this, SLOT( onError( QNetworkReply::NetworkError ) ) );
connect( mReply, SIGNAL( finished() ), this, SLOT( onFinished() ) );
connect( mReply, SIGNAL( downloadProgress( qint64, qint64 ) ), this, SIGNAL( downloadProgress( qint64, qint64 ) ) );
return true;
}
int main( int argc, char * argv[] )
{
#ifndef _MSC_VER
qInstallMsgHandler( dummyMessageHandler );
#endif
QgsApplication qgsapp( argc, argv, getenv( "DISPLAY" ) );
//Default prefix path may be altered by environment variable
char* prefixPath = getenv( "QGIS_PREFIX_PATH" );
if ( prefixPath )
{
QgsApplication::setPrefixPath( prefixPath, TRUE );
}
#if !defined(Q_OS_WIN)
else
{
// init QGIS's paths - true means that all path will be inited from prefix
QgsApplication::setPrefixPath( CMAKE_INSTALL_PREFIX, TRUE );
}
#endif
#if defined(MAPSERVER_SKIP_ECW)
QgsDebugMsg( "Skipping GDAL ECW drivers in server." );
QgsApplication::skipGdalDriver( "ECW" );
QgsApplication::skipGdalDriver( "JP2ECW" );
#endif
QSettings settings;
QgsNetworkAccessManager *nam = QgsNetworkAccessManager::instance();
QNetworkDiskCache *cache = new QNetworkDiskCache( 0 );
QString cacheDirectory = settings.value( "cache/directory", QgsApplication::qgisSettingsDirPath() + "cache" ).toString();
qint64 cacheSize = settings.value( "cache/size", 50 * 1024 * 1024 ).toULongLong();
QgsDebugMsg( QString( "setCacheDirectory: %1" ).arg( cacheDirectory ) );
QgsDebugMsg( QString( "setMaximumCacheSize: %1" ).arg( cacheSize ) );
cache->setCacheDirectory( cacheDirectory );
cache->setMaximumCacheSize( cacheSize );
QgsDebugMsg( QString( "cacheDirectory: %1" ).arg( cache->cacheDirectory() ) );
QgsDebugMsg( QString( "maximumCacheSize: %1" ).arg( cache->maximumCacheSize() ) );
nam->setCache( cache );
QDomImplementation::setInvalidDataPolicy( QDomImplementation::DropInvalidChars );
// Instantiate the plugin directory so that providers are loaded
QgsProviderRegistry::instance( QgsApplication::pluginPath() );
QgsDebugMsg( "Prefix PATH: " + QgsApplication::prefixPath() );
QgsDebugMsg( "Plugin PATH: " + QgsApplication::pluginPath() );
QgsDebugMsg( "PkgData PATH: " + QgsApplication::pkgDataPath() );
QgsDebugMsg( "User DB PATH: " + QgsApplication::qgisUserDbFilePath() );
QgsDebugMsg( qgsapp.applicationDirPath() + "/qgis_wms_server.log" );
QgsApplication::createDB(); //init qgis.db (e.g. necessary for user crs)
//create config cache and search for config files in the current directory.
//These configurations are used if no mapfile parameter is present in the request
QString defaultConfigFilePath;
QFileInfo projectFileInfo = defaultProjectFile(); //try to find a .qgs file in the server directory
if ( projectFileInfo.exists() )
{
defaultConfigFilePath = projectFileInfo.absoluteFilePath();
}
else
{
QFileInfo adminSLDFileInfo = defaultAdminSLD();
if ( adminSLDFileInfo.exists() )
{
defaultConfigFilePath = adminSLDFileInfo.absoluteFilePath();
}
}
//create cache for capabilities XML
QgsCapabilitiesCache capabilitiesCache;
//creating QgsMapRenderer is expensive (access to srs.db), so we do it here before the fcgi loop
QgsMapRenderer* theMapRenderer = new QgsMapRenderer();
theMapRenderer->setLabelingEngine( new QgsPalLabeling() );
while ( fcgi_accept() >= 0 )
{
printRequestInfos(); //print request infos if in debug mode
//use QgsGetRequestHandler in case of HTTP GET and QgsSOAPRequestHandler in case of HTTP POST
QgsRequestHandler* theRequestHandler = 0;
char* requestMethod = getenv( "REQUEST_METHOD" );
if ( requestMethod != NULL )
{
if ( strcmp( requestMethod, "POST" ) == 0 )
{
//QgsDebugMsg( "Creating QgsSOAPRequestHandler" );
//theRequestHandler = new QgsSOAPRequestHandler();
theRequestHandler = new QgsPostRequestHandler();
}
else
{
QgsDebugMsg( "Creating QgsGetRequestHandler" );
theRequestHandler = new QgsGetRequestHandler();
}
}
else
{
QgsDebugMsg( "Creating QgsGetRequestHandler" );
theRequestHandler = new QgsGetRequestHandler();
}
QMap<QString, QString> parameterMap;
try
{
parameterMap = theRequestHandler->parseInput();
}
catch ( QgsMapServiceException& e )
{
QgsDebugMsg( "An exception was thrown during input parsing" );
theRequestHandler->sendServiceException( e );
continue;
}
QMap<QString, QString>::const_iterator paramIt;
//set admin config file to wms server object
QString configFilePath( defaultConfigFilePath );
paramIt = parameterMap.find( "MAP" );
if ( paramIt == parameterMap.constEnd() )
{
QgsDebugMsg( QString( "Using default configuration file path: %1" ).arg( defaultConfigFilePath ) );
}
else
{
configFilePath = paramIt.value();
}
QgsConfigParser* adminConfigParser = QgsConfigCache::instance()->searchConfiguration( configFilePath );
if ( !adminConfigParser )
{
QgsDebugMsg( "parse error on config file " + configFilePath );
theRequestHandler->sendServiceException( QgsMapServiceException( "", "Configuration file problem : perhaps you left off the .qgs extension?" ) );
continue;
}
//sld parser might need information about request parameters
adminConfigParser->setParameterMap( parameterMap );
//request to WMS?
QString serviceString;
paramIt = parameterMap.find( "SERVICE" );
if ( paramIt == parameterMap.constEnd() )
{
#ifndef QGISDEBUG
serviceString = parameterMap.value( "SERVICE", "WMS" );
#else
QgsDebugMsg( "unable to find 'SERVICE' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "ServiceNotSpecified", "Service not specified. The SERVICE parameter is mandatory" ) );
delete theRequestHandler;
continue;
#endif
}
else
{
serviceString = paramIt.value();
}
QgsWMSServer* theServer = 0;
if ( serviceString == "WFS" )
{
delete theServer;
QgsWFSServer* theServer = 0;
try
{
theServer = new QgsWFSServer( parameterMap );
}
catch ( QgsMapServiceException e ) //admin.sld may be invalid
{
theRequestHandler->sendServiceException( e );
continue;
}
theServer->setAdminConfigParser( adminConfigParser );
//request type
QString request = parameterMap.value( "REQUEST" );
if ( request.isEmpty() )
{
//do some error handling
QgsDebugMsg( "unable to find 'REQUEST' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "OperationNotSupported", "Please check the value of the REQUEST parameter" ) );
delete theRequestHandler;
delete theServer;
continue;
}
if ( request.compare( "GetCapabilities", Qt::CaseInsensitive ) == 0 )
{
QDomDocument capabilitiesDocument;
try
{
capabilitiesDocument = theServer->getCapabilities();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending GetCapabilities response" );
theRequestHandler->sendGetCapabilitiesResponse( capabilitiesDocument );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "DescribeFeatureType", Qt::CaseInsensitive ) == 0 )
{
QDomDocument describeDocument;
try
{
describeDocument = theServer->describeFeatureType();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending GetCapabilities response" );
theRequestHandler->sendGetCapabilitiesResponse( describeDocument );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetFeature", Qt::CaseInsensitive ) == 0 )
{
//output format for GetFeature
QString outputFormat = parameterMap.value( "OUTPUTFORMAT" );
try
{
if ( theServer->getFeature( *theRequestHandler, outputFormat ) != 0 )
{
delete theRequestHandler;
delete theServer;
continue;
}
else
{
delete theRequestHandler;
delete theServer;
continue;
}
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
}
else if ( request.compare( "Transaction", Qt::CaseInsensitive ) == 0 )
{
QDomDocument transactionDocument;
try
{
transactionDocument = theServer->transaction( parameterMap.value( "REQUEST_BODY" ) );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending Transaction response" );
theRequestHandler->sendGetCapabilitiesResponse( transactionDocument );
delete theRequestHandler;
delete theServer;
continue;
}
return 0;
}
try
{
theServer = new QgsWMSServer( parameterMap, theMapRenderer );
}
catch ( QgsMapServiceException e ) //admin.sld may be invalid
{
theRequestHandler->sendServiceException( e );
continue;
}
theServer->setAdminConfigParser( adminConfigParser );
//request type
QString request = parameterMap.value( "REQUEST" );
if ( request.isEmpty() )
{
//do some error handling
QgsDebugMsg( "unable to find 'REQUEST' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "OperationNotSupported", "Please check the value of the REQUEST parameter" ) );
delete theRequestHandler;
delete theServer;
continue;
}
QString version = parameterMap.value( "VERSION", "1.3.0" );
bool getProjectSettings = ( request.compare( "GetProjectSettings", Qt::CaseInsensitive ) == 0 );
if ( getProjectSettings )
{
version = "1.3.0"; //getProjectSettings extends WMS 1.3.0 capabilities
}
if ( request.compare( "GetCapabilities", Qt::CaseInsensitive ) == 0 || getProjectSettings )
{
const QDomDocument* capabilitiesDocument = capabilitiesCache.searchCapabilitiesDocument( configFilePath, getProjectSettings ? "projectSettings" : version );
if ( !capabilitiesDocument ) //capabilities xml not in cache. Create a new one
{
QgsDebugMsg( "Capabilities document not found in cache" );
QDomDocument doc;
try
{
doc = theServer->getCapabilities( version, getProjectSettings );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
capabilitiesCache.insertCapabilitiesDocument( configFilePath, getProjectSettings ? "projectSettings" : version, &doc );
capabilitiesDocument = capabilitiesCache.searchCapabilitiesDocument( configFilePath, getProjectSettings ? "projectSettings" : version );
}
else
{
QgsDebugMsg( "Found capabilities document in cache" );
}
if ( capabilitiesDocument )
{
theRequestHandler->sendGetCapabilitiesResponse( *capabilitiesDocument );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetMap", Qt::CaseInsensitive ) == 0 )
{
QImage* result = 0;
try
{
result = theServer->getMap();
}
catch ( QgsMapServiceException& ex )
{
QgsDebugMsg( "Caught exception during GetMap request" );
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
if ( result )
{
QgsDebugMsg( "Sending GetMap response" );
theRequestHandler->sendGetMapResponse( serviceString, result );
QgsDebugMsg( "Response sent" );
}
else
{
//do some error handling
QgsDebugMsg( "result image is 0" );
}
delete result;
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetFeatureInfo", Qt::CaseInsensitive ) == 0 )
{
QDomDocument featureInfoDoc;
try
{
if ( theServer->getFeatureInfo( featureInfoDoc, version ) != 0 )
{
delete theRequestHandler;
delete theServer;
continue;
}
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QString infoFormat = parameterMap.value( "INFO_FORMAT" );
theRequestHandler->sendGetFeatureInfoResponse( featureInfoDoc, infoFormat );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetContext", Qt::CaseInsensitive ) == 0 )
{
try
{
QDomDocument doc = theServer->getContext();
theRequestHandler->sendGetStyleResponse( doc );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetStyles", Qt::CaseInsensitive ) == 0 || request.compare( "GetStyle", Qt::CaseInsensitive ) == 0 ) // GetStyle for compatibility with earlier QGIS versions
{
try
{
QDomDocument doc = theServer->getStyle();
theRequestHandler->sendGetStyleResponse( doc );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetLegendGraphic", Qt::CaseInsensitive ) == 0 ||
request.compare( "GetLegendGraphics", Qt::CaseInsensitive ) == 0 )
// GetLegendGraphics for compatibility with earlier QGIS versions
{
QImage* result = 0;
try
{
result = theServer->getLegendGraphics();
}
catch ( QgsMapServiceException& ex )
{
QgsDebugMsg( "Caught exception during GetLegendGraphic request" );
theRequestHandler->sendServiceException( ex );
}
if ( result )
{
QgsDebugMsg( "Sending GetLegendGraphic response" );
//sending is the same for GetMap and GetLegendGraphic
theRequestHandler->sendGetMapResponse( serviceString, result );
QgsDebugMsg( "Response sent" );
}
else
{
//do some error handling
QgsDebugMsg( "result image is 0" );
}
delete result;
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetPrint", Qt::CaseInsensitive ) == 0 )
{
QByteArray* printOutput = 0;
try
{
printOutput = theServer->getPrint( theRequestHandler->format() );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
if ( printOutput )
{
theRequestHandler->sendGetPrintResponse( printOutput );
}
delete printOutput;
delete theRequestHandler;
delete theServer;
continue;
}
else//unknown request
{
QgsMapServiceException e( "OperationNotSupported", "Operation " + request + " not supported" );
theRequestHandler->sendServiceException( e );
delete theRequestHandler;
delete theServer;
}
}
delete theMapRenderer;
QgsDebugMsg( "************* all done ***************" );
return 0;
}