void writeAsDxf( QgsServerInterface *serverIface, const QgsProject *project,
const QString &version, const QgsServerRequest &request,
QgsServerResponse &response )
{
Q_UNUSED( version );
QgsServerRequest::Parameters params = request.parameters();
QgsWmsParameters wmsParameters( QUrlQuery( request.url() ) );
QgsRenderer renderer( serverIface, project, wmsParameters );
QMap<QString, QString> formatOptionsMap = parseFormatOptions( params.value( QStringLiteral( "FORMAT_OPTIONS" ) ) );
QgsDxfExport dxf = renderer.getDxf( formatOptionsMap );
QString codec = QStringLiteral( "ISO-8859-1" );
QMap<QString, QString>::const_iterator codecIt = formatOptionsMap.find( QStringLiteral( "CODEC" ) );
if ( codecIt != formatOptionsMap.constEnd() )
{
codec = formatOptionsMap.value( QStringLiteral( "CODEC" ) );
}
// Write output
response.setHeader( "Content-Type", "application/dxf" );
dxf.writeToFile( response.io(), codec );
}
QString serviceUrl( const QgsServerRequest &request, const QgsProject *project )
{
QString href;
if ( project )
{
href = QgsServerProjectUtils::wmtsServiceUrl( *project );
}
// Build default url
if ( href.isEmpty() )
{
QUrl url = request.originalUrl();
QgsWmtsParameters params;
params.load( QUrlQuery( url ) );
params.remove( QgsServerParameter::REQUEST );
params.remove( QgsServerParameter::VERSION_SERVICE );
params.remove( QgsServerParameter::SERVICE );
url.setQuery( params.urlQuery() );
href = url.toString();
}
return href;
}
QUrl serviceUrl( const QgsServerRequest &request, const QgsProject *project )
{
QUrl href;
if ( project )
{
href.setUrl( QgsServerProjectUtils::wmsServiceUrl( *project ) );
}
// Build default url
if ( href.isEmpty() )
{
href = request.url();
QUrlQuery q( href );
q.removeAllQueryItems( QStringLiteral( "REQUEST" ) );
q.removeAllQueryItems( QStringLiteral( "VERSION" ) );
q.removeAllQueryItems( QStringLiteral( "SERVICE" ) );
q.removeAllQueryItems( QStringLiteral( "LAYERS" ) );
q.removeAllQueryItems( QStringLiteral( "SLD_VERSION" ) );
q.removeAllQueryItems( QStringLiteral( "_DC" ) );
href.setQuery( q );
}
return href;
}
void writeGetMap( QgsServerInterface* serverIface, const QString& version,
const QgsServerRequest& request,
QgsServerResponse& response )
{
Q_UNUSED( version );
QgsServerRequest::Parameters params = request.parameters();
QgsWmsConfigParser* parser = getConfigParser( serverIface );
QgsWmsServer server( serverIface->configFilePath(),
*serverIface->serverSettings(), params, parser,
serverIface->accessControls() );
QScopedPointer<QImage> result( server.getMap() );
if ( !result.isNull() )
{
QString format = params.value( QStringLiteral( "FORMAT" ), QStringLiteral( "PNG" ) );
writeImage( response, *result, format, server.getImageQuality() );
}
else
{
throw QgsServiceException( QStringLiteral( "UnknownError" ),
QStringLiteral( "Failed to compute GetMap image" ) );
}
}
QString serviceUrl( const QgsServerRequest &request, const QgsProject *project )
{
QUrl href;
if ( project )
{
href.setUrl( QgsServerProjectUtils::wfsServiceUrl( *project ) );
}
// Build default url
if ( href.isEmpty() )
{
static QSet<QString> sFilter
{
QStringLiteral( "REQUEST" ),
QStringLiteral( "VERSION" ),
QStringLiteral( "SERVICE" ),
};
href = request.originalUrl();
QUrlQuery q( href );
for ( auto param : q.queryItems() )
{
if ( sFilter.contains( param.first.toUpper() ) )
q.removeAllQueryItems( param.first );
}
href.setQuery( q );
}
return href.toString();
}
QDomDocument getStyle( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
const QgsServerRequest &request )
{
Q_UNUSED( version );
QgsServerRequest::Parameters parameters = request.parameters();
QDomDocument doc;
QString styleName = parameters.value( QStringLiteral( "STYLE" ) );
QString layerName = parameters.value( QStringLiteral( "LAYER" ) );
if ( styleName.isEmpty() )
{
throw QgsBadRequestException( QgsServiceException::QGIS_MissingParameterValue,
QgsWmsParameter::STYLE );
}
if ( layerName.isEmpty() )
{
throw QgsBadRequestException( QgsServiceException::QGIS_MissingParameterValue,
QgsWmsParameter::LAYERS );
}
QStringList layerList;
layerList.append( layerName );
return getStyledLayerDescriptorDocument( serverIface, project, layerList );
}
QString serviceUrl( const QgsServerRequest& request, const QgsProject* project )
{
QString href;
if ( project )
{
href = QgsServerProjectUtils::wfsServiceUrl( *project );
}
// Build default url
if ( href.isEmpty() )
{
QUrl url = request.url();
QUrlQuery q( url );
q.removeAllQueryItems( QStringLiteral( "REQUEST" ) );
q.removeAllQueryItems( QStringLiteral( "VERSION" ) );
q.removeAllQueryItems( QStringLiteral( "SERVICE" ) );
q.removeAllQueryItems( QStringLiteral( "_DC" ) );
url.setQuery( q );
href = url.toString( QUrl::FullyDecoded );
}
return href;
}
void writeGetPrint( QgsServerInterface *serverIface, const QgsProject *project,
const QString &version, const QgsServerRequest &request,
QgsServerResponse &response )
{
QgsServerRequest::Parameters params = request.parameters();
Q_UNUSED( version );
QgsWmsParameters wmsParameters( QUrlQuery( request.url() ) );
QgsRenderer renderer( serverIface, project, wmsParameters );
QString format = params.value( "FORMAT" );
QString contentType;
// GetPrint supports svg/png/pdf
if ( format.compare( QLatin1String( "image/png" ), Qt::CaseInsensitive ) == 0 ||
format.compare( QLatin1String( "png" ), Qt::CaseInsensitive ) == 0 )
{
format = "png";
contentType = "image/png";
}
else if ( format.compare( QLatin1String( "image/svg" ), Qt::CaseInsensitive ) == 0 ||
format.compare( QLatin1String( "image/svg+xml" ), Qt::CaseInsensitive ) == 0 ||
format.compare( QLatin1String( "svg" ), Qt::CaseInsensitive ) == 0 )
{
format = "svg";
contentType = "image/svg+xml";
}
else if ( format.compare( QLatin1String( "application/pdf" ), Qt::CaseInsensitive ) == 0 ||
format.compare( QLatin1String( "pdf" ), Qt::CaseInsensitive ) == 0 )
{
format = "pdf";
contentType = "application/pdf";
}
else
{
throw QgsServiceException( QStringLiteral( "InvalidFormat" ),
QString( "Output format %1 is not supported by the GetPrint request" ).arg( format ) );
}
response.setHeader( QStringLiteral( "Content-Type" ), contentType );
response.write( renderer.getPrint( format ) );
}
void writeGetTile( QgsServerInterface *serverIface, const QgsProject *project,
const QString &version, const QgsServerRequest &request,
QgsServerResponse &response )
{
Q_UNUSED( version );
const QgsWmtsParameters params( QUrlQuery( request.url() ) );
// WMS query
QUrlQuery query = translateWmtsParamToWmsQueryItem( QStringLiteral( "GetMap" ), params, project, serverIface );
// Get cached image
QgsAccessControl *accessControl = serverIface->accessControls();
QgsServerCacheManager *cacheManager = serverIface->cacheManager();
if ( cacheManager )
{
QgsWmtsParameters::Format f = params.format();
QString contentType;
QString saveFormat;
std::unique_ptr<QImage> image;
if ( f == QgsWmtsParameters::Format::JPG )
{
contentType = QStringLiteral( "image/jpeg" );
saveFormat = QStringLiteral( "JPEG" );
image = qgis::make_unique<QImage>( 256, 256, QImage::Format_RGB32 );
}
else
{
contentType = QStringLiteral( "image/png" );
saveFormat = QStringLiteral( "PNG" );
image = qgis::make_unique<QImage>( 256, 256, QImage::Format_ARGB32_Premultiplied );
}
QByteArray content = cacheManager->getCachedImage( project, request, accessControl );
if ( !content.isEmpty() && image->loadFromData( content ) )
{
response.setHeader( QStringLiteral( "Content-Type" ), contentType );
image->save( response.io(), qPrintable( saveFormat ) );
return;
}
}
QgsServerParameters wmsParams( query );
QgsServerRequest wmsRequest( "?" + query.query( QUrl::FullyDecoded ) );
QgsService *service = serverIface->serviceRegistry()->getService( wmsParams.service(), wmsParams.version() );
service->executeRequest( wmsRequest, response, project );
if ( cacheManager )
{
QByteArray content = response.data();
if ( !content.isEmpty() )
cacheManager->setCachedImage( &content, project, request, accessControl );
}
}
void writeGetFeatureInfo( QgsServerInterface *serverIface, const QgsProject *project,
const QString &version, const QgsServerRequest &request,
QgsServerResponse &response )
{
// get wms parameters from query
QgsWmsParameters parameters( QUrlQuery( request.url() ) );
// prepare render context
QgsWmsRenderContext context( project, serverIface );
context.setFlag( QgsWmsRenderContext::AddQueryLayers );
context.setFlag( QgsWmsRenderContext::UseFilter );
context.setFlag( QgsWmsRenderContext::UseScaleDenominator );
context.setFlag( QgsWmsRenderContext::SetAccessControl );
context.setParameters( parameters );
const QString infoFormat = request.parameters().value( QStringLiteral( "INFO_FORMAT" ), QStringLiteral( "text/plain" ) );
response.setHeader( QStringLiteral( "Content-Type" ), infoFormat + QStringLiteral( "; charset=utf-8" ) );
QgsRenderer renderer( context );
response.write( renderer.getFeatureInfo( version ) );
}
void writeGetCapabilities( QgsServerInterface* serverIface, const QString& version,
const QgsServerRequest& request, QgsServerResponse& response,
bool projectSettings )
{
QgsServerRequest::Parameters params = request.parameters();
QString configFilePath = serverIface->configFilePath();
QgsServerSettings* serverSettings = serverIface->serverSettings();
QgsAccessControl* accessControl = serverIface->accessControls();
QgsCapabilitiesCache* capabilitiesCache = serverIface->capabilitiesCache();
QStringList cacheKeyList;
cacheKeyList << ( projectSettings ? QStringLiteral( "projectSettings" ) : version );
cacheKeyList << getenv( "SERVER_NAME" );
bool cache = true;
if ( accessControl )
cache = accessControl->fillCacheKey( cacheKeyList );
QString cacheKey = cacheKeyList.join( QStringLiteral( "-" ) );
const QDomDocument* capabilitiesDocument = capabilitiesCache->searchCapabilitiesDocument( configFilePath, cacheKey );
if ( !capabilitiesDocument ) //capabilities xml not in cache. Create a new one
{
QgsMessageLog::logMessage( QStringLiteral( "Capabilities document not found in cache" ) );
QDomDocument doc;
QgsWmsServer server( configFilePath,
*serverSettings,
params,
getConfigParser( serverIface ),
accessControl );
doc = server.getCapabilities( version, projectSettings );
if ( cache )
{
capabilitiesCache->insertCapabilitiesDocument( configFilePath, cacheKey, &doc );
capabilitiesDocument = capabilitiesCache->searchCapabilitiesDocument( configFilePath, cacheKey );
}
else
{
doc = doc.cloneNode().toDocument();
capabilitiesDocument = &doc;
}
}
else
{
QgsMessageLog::logMessage( QStringLiteral( "Found capabilities document in cache" ) );
}
response.setHeader( QStringLiteral( "Content-Type" ), QStringLiteral( "text/xml; charset=utf-8" ) );
response.write( capabilitiesDocument->toByteArray() );
}
void writeGetSchemaExtension( QgsServerInterface* serverIface, const QString& version,
const QgsServerRequest& request, QgsServerResponse& response )
{
Q_UNUSED( version );
QgsServerRequest::Parameters params = request.parameters();
QgsWmsServer server( serverIface->configFilePath(),
*serverIface->serverSettings(), params,
getConfigParser( serverIface ),
serverIface->accessControls() );
QDomDocument doc = server.getSchemaExtension();
response.setHeader( QStringLiteral( "Content-Type" ), QStringLiteral( "text/xml; charset=utf-8" ) );
response.write( doc.toByteArray() );
}
void writeGetLegendGraphics( QgsServerInterface *serverIface, const QgsProject *project,
const QString &version, const QgsServerRequest &request,
QgsServerResponse &response )
{
Q_UNUSED( version );
QgsServerRequest::Parameters params = request.parameters();
QgsWmsParameters wmsParameters( QUrlQuery( request.url() ) );
QgsRenderer renderer( serverIface, project, wmsParameters );
std::unique_ptr<QImage> result( renderer.getLegendGraphics() );
if ( result )
{
QString format = params.value( QStringLiteral( "FORMAT" ), QStringLiteral( "PNG" ) );
writeImage( response, *result, format, renderer.getImageQuality() );
}
else
{
throw QgsServiceException( QStringLiteral( "UnknownError" ),
QStringLiteral( "Failed to compute GetLegendGraphics image" ) );
}
}
QDomDocument getSchemaExtension( QgsServerInterface *serverIface, const QString &version,
const QgsServerRequest &request )
{
Q_UNUSED( version );
Q_UNUSED( serverIface );
QgsServerRequest::Parameters parameters = request.parameters();
QDomDocument xsdDoc;
QDir resourcesDir = QFileInfo( QgsApplication::serverResourcesPath() ).absoluteDir();
QFileInfo xsdFileInfo( resourcesDir, QStringLiteral( "schemaExtension.xsd" ) );
if ( !xsdFileInfo.exists() )
{
QgsMessageLog::logMessage( QStringLiteral( "Error, xsd file 'schemaExtension.xsd' does not exist" ),
QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
return xsdDoc;
}
QString xsdFilePath = xsdFileInfo.absoluteFilePath();
QFile xsdFile( xsdFilePath );
if ( !xsdFile.exists() )
{
QgsMessageLog::logMessage( QStringLiteral( "Error, xsd file 'schemaExtension.xsd' does not exist" ),
QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
return xsdDoc;
}
if ( !xsdFile.open( QIODevice::ReadOnly ) )
{
QgsMessageLog::logMessage( QStringLiteral( "Error, cannot open xsd file 'schemaExtension.xsd' does not exist" ),
QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
return xsdDoc;
}
QString errorMsg;
int line, column;
if ( !xsdDoc.setContent( &xsdFile, true, &errorMsg, &line, &column ) )
{
QgsMessageLog::logMessage( QStringLiteral( "Error parsing file 'schemaExtension.xsd" ) +
QStringLiteral( "': parse error %1 at row %2, column %3" ).arg( errorMsg ).arg( line ).arg( column ),
QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
}
return xsdDoc;
}
void writeGetCapabilities( QgsServerInterface* serverIface, const QString& version,
const QgsServerRequest& request, QgsServerResponse& response,
bool projectSettings )
{
QString configFilePath = serverIface->configFilePath();
QgsCapabilitiesCache* capabilitiesCache = serverIface->capabilitiesCache();
QStringList cacheKeyList;
cacheKeyList << ( projectSettings ? QStringLiteral( "projectSettings" ) : version );
cacheKeyList << request.url().host();
bool cache = true;
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsAccessControl* accessControl = serverIface->accessControls();
if ( accessControl )
cache = accessControl->fillCacheKey( cacheKeyList );
#endif
QString cacheKey = cacheKeyList.join( QStringLiteral( "-" ) );
const QDomDocument* capabilitiesDocument = capabilitiesCache->searchCapabilitiesDocument( configFilePath, cacheKey );
if ( !capabilitiesDocument ) //capabilities xml not in cache. Create a new one
{
QgsMessageLog::logMessage( QStringLiteral( "Capabilities document not found in cache" ) );
QDomDocument doc;
doc = getCapabilities( serverIface, version, request, projectSettings );
if ( cache )
{
capabilitiesCache->insertCapabilitiesDocument( configFilePath, cacheKey, &doc );
capabilitiesDocument = capabilitiesCache->searchCapabilitiesDocument( configFilePath, cacheKey );
}
else
{
doc = doc.cloneNode().toDocument();
capabilitiesDocument = &doc;
}
}
else
{
QgsMessageLog::logMessage( QStringLiteral( "Found capabilities document in cache" ) );
}
response.setHeader( QStringLiteral( "Content-Type" ), QStringLiteral( "text/xml; charset=utf-8" ) );
response.write( capabilitiesDocument->toByteArray() );
}
void executeRequest( const QgsServerRequest& request, QgsServerResponse& response,
const QgsProject* project )
{
QgsServerRequest::Parameters params = request.parameters();
QString versionString = params.value( "VERSION" );
// Set the default version
if ( versionString.isEmpty() )
{
versionString = version(); // defined in qgswfsutils.h
}
// Get the request
QString req = params.value( QStringLiteral( "REQUEST" ) );
if ( req.isEmpty() )
{
throw QgsServiceException( QStringLiteral( "OperationNotSupported" ),
QStringLiteral( "Please check the value of the REQUEST parameter" ) );
}
if ( QSTR_COMPARE( req, "GetCapabilities" ) )
{
writeGetCapabilities( mServerIface, project, versionString, request, response );
}
else if ( QSTR_COMPARE( req, "GetFeature" ) )
{
writeGetFeature( mServerIface, project, versionString, request, response );
}
else if ( QSTR_COMPARE( req, "DescribeFeatureType" ) )
{
writeDescribeFeatureType( mServerIface, versionString, request, response );
}
else if ( QSTR_COMPARE( req, "Transaction" ) )
{
writeTransaction( mServerIface, versionString, request, response );
}
else
{
// Operation not supported
throw QgsServiceException( QStringLiteral( "OperationNotSupported" ),
QStringLiteral( "Request %1 is not supported" ).arg( req ) );
}
}
void executeRequest( const QgsServerRequest &request, QgsServerResponse &response,
const QgsProject *project ) override
{
Q_UNUSED( project );
const QgsWmtsParameters params( QUrlQuery( request.url() ) );
// Set the default version
QString versionString = params.version();
if ( versionString.isEmpty() )
{
versionString = version(); // defined in qgswfsutils.h
}
// Get the request
QString req = params.value( QgsServerParameter::name( QgsServerParameter::REQUEST ) );
if ( req.isEmpty() )
{
throw QgsServiceException( QStringLiteral( "OperationNotSupported" ),
QStringLiteral( "Please check the value of the REQUEST parameter" ), 501 );
}
if ( QSTR_COMPARE( req, "GetCapabilities" ) )
{
writeGetCapabilities( mServerIface, project, versionString, request, response );
}
else if ( QSTR_COMPARE( req, "GetTile" ) )
{
writeGetTile( mServerIface, project, versionString, request, response );
}
else if ( QSTR_COMPARE( req, "GetFeatureInfo" ) )
{
writeGetFeatureInfo( mServerIface, project, versionString, request, response );
}
else
{
// Operation not supported
throw QgsServiceException( QStringLiteral( "OperationNotSupported" ),
QStringLiteral( "Request %1 is not supported" ).arg( req ), 501 );
}
}
void writeGetLegendGraphics( QgsServerInterface* serverIface, const QString& version,
const QgsServerRequest& request, QgsServerResponse& response )
{
Q_UNUSED( version );
QgsServerRequest::Parameters params = request.parameters();
QgsRenderer renderer( serverIface, params, getConfigParser( serverIface ) );
QScopedPointer<QImage> result( renderer.getLegendGraphics() );
if ( !result.isNull() )
{
QString format = params.value( QStringLiteral( "FORMAT" ), QStringLiteral( "PNG" ) );
writeImage( response, *result, format, renderer.getImageQuality() );
}
else
{
throw QgsServiceException( QStringLiteral( "UnknownError" ),
QStringLiteral( "Failed to compute GetLegendGraphics image" ) );
}
}
void writeGetFeatureInfo( QgsServerInterface *serverIface, const QgsProject *project,
const QString &version, const QgsServerRequest &request,
QgsServerResponse &response )
{
Q_UNUSED( version );
const QgsWmtsParameters params( QUrlQuery( request.url() ) );
// WMS query
QUrlQuery query = translateWmtsParamToWmsQueryItem( QStringLiteral( "GetFeatureInfo" ), params, project, serverIface );
// GetFeatureInfo query items
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::QUERY_LAYERS ), params.layer() );
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::I ), params.i() );
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::J ), params.j() );
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::INFO_FORMAT ), params.infoFormatAsString() );
QgsServerParameters wmsParams( query );
QgsServerRequest wmsRequest( "?" + query.query( QUrl::FullyDecoded ) );
QgsService *service = serverIface->serviceRegistry()->getService( wmsParams.service(), wmsParams.version() );
service->executeRequest( wmsRequest, response, project );
}
QDomDocument getStyles( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
const QgsServerRequest &request )
{
Q_UNUSED( version );
QgsServerRequest::Parameters parameters = request.parameters();
QString layersName = parameters.value( "LAYERS" );
if ( layersName.isEmpty() )
{
throw QgsBadRequestException( QgsServiceException::QGIS_MissingParameterValue,
QgsWmsParameter::LAYERS );
}
QStringList layerList = layersName.split( ',', QString::SkipEmptyParts );
if ( layerList.isEmpty() )
{
throw QgsBadRequestException( QgsServiceException::QGIS_MissingParameterValue,
QgsWmsParameter::LAYERS );
}
return getStyledLayerDescriptorDocument( serverIface, project, layerList );
}
void QgsServer::handleRequest( QgsServerRequest &request, QgsServerResponse &response, const QgsProject *project )
{
Qgis::MessageLevel logLevel = QgsServerLogger::instance()->logLevel();
QTime time; //used for measuring request time if loglevel < 1
qApp->processEvents();
if ( logLevel == Qgis::Info )
{
time.start();
}
// Pass the filters to the requestHandler, this is needed for the following reasons:
// Allow server request to call sendResponse plugin hook if enabled
QgsFilterResponseDecorator responseDecorator( sServerInterface->filters(), response );
//Request handler
QgsRequestHandler requestHandler( request, response );
try
{
// TODO: split parse input into plain parse and processing from specific services
requestHandler.parseInput();
}
catch ( QgsMapServiceException &e )
{
QgsMessageLog::logMessage( "Parse input exception: " + e.message(), QStringLiteral( "Server" ), Qgis::Critical );
requestHandler.setServiceException( e );
}
// Set the request handler into the interface for plugins to manipulate it
sServerInterface->setRequestHandler( &requestHandler );
// Call requestReady() method (if enabled)
responseDecorator.start();
// Plugins may have set exceptions
if ( !requestHandler.exceptionRaised() )
{
try
{
const QgsServerParameters params = request.serverParameters();
printRequestParameters( params.toMap(), logLevel );
//Config file path
if ( ! project )
{
QString configFilePath = configPath( *sConfigFilePath, params.map() );
// load the project if needed and not empty
project = mConfigCache->project( configFilePath );
if ( ! project )
{
throw QgsServerException( QStringLiteral( "Project file error" ) );
}
sServerInterface->setConfigFilePath( configFilePath );
}
else
{
sServerInterface->setConfigFilePath( project->fileName() );
}
if ( ! params.fileName().isEmpty() )
{
const QString value = QString( "attachment; filename=\"%1\"" ).arg( params.fileName() );
requestHandler.setResponseHeader( QStringLiteral( "Content-Disposition" ), value );
}
// Lookup for service
QgsService *service = sServiceRegistry->getService( params.service(), params.version() );
if ( service )
{
service->executeRequest( request, responseDecorator, project );
}
else
{
throw QgsOgcServiceException( QStringLiteral( "Service configuration error" ),
QStringLiteral( "Service unknown or unsupported" ) );
}
}
catch ( QgsServerException &ex )
{
responseDecorator.write( ex );
}
catch ( QgsException &ex )
{
// Internal server error
response.sendError( 500, ex.what() );
}
}
// Terminate the response
responseDecorator.finish();
// We are done using requestHandler in plugins, make sure we don't access
// to a deleted request handler from Python bindings
sServerInterface->clearRequestHandler();
if ( logLevel == Qgis::Info )
{
QgsMessageLog::logMessage( "Request finished in " + QString::number( time.elapsed() ) + " ms", QStringLiteral( "Server" ), Qgis::Info );
}
}
void QgsServer::handleRequest( QgsServerRequest &request, QgsServerResponse &response )
{
QgsMessageLog::MessageLevel logLevel = QgsServerLogger::instance()->logLevel();
QTime time; //used for measuring request time if loglevel < 1
QgsProject::instance()->removeAllMapLayers();
qApp->processEvents();
if ( logLevel == QgsMessageLog::INFO )
{
time.start();
}
// Pass the filters to the requestHandler, this is needed for the following reasons:
// Allow server request to call sendResponse plugin hook if enabled
QgsFilterResponseDecorator responseDecorator( sServerInterface->filters(), response );
//Request handler
QgsRequestHandler requestHandler( request, response );
try
{
// TODO: split parse input into plain parse and processing from specific services
requestHandler.parseInput();
}
catch ( QgsMapServiceException &e )
{
QgsMessageLog::logMessage( "Parse input exception: " + e.message(), QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
requestHandler.setServiceException( e );
}
// Set the request handler into the interface for plugins to manipulate it
sServerInterface->setRequestHandler( &requestHandler );
// Call requestReady() method (if enabled)
responseDecorator.start();
// Plugins may have set exceptions
if ( !requestHandler.exceptionRaised() )
{
try
{
QMap<QString, QString> parameterMap = request.parameters();
printRequestParameters( parameterMap, logLevel );
//Config file path
QString configFilePath = configPath( *sConfigFilePath, parameterMap );
// load the project if needed and not empty
const QgsProject *project = mConfigCache->project( configFilePath );
if ( ! project )
{
throw QgsServerException( QStringLiteral( "Project file error" ) );
}
sServerInterface->setConfigFilePath( configFilePath );
//Service parameter
QString serviceString = parameterMap.value( QStringLiteral( "SERVICE" ) );
if ( serviceString.isEmpty() )
{
// SERVICE not mandatory for WMS 1.3.0 GetMap & GetFeatureInfo
QString requestString = parameterMap.value( QStringLiteral( "REQUEST" ) );
if ( requestString == QLatin1String( "GetMap" ) || requestString == QLatin1String( "GetFeatureInfo" ) )
{
serviceString = QStringLiteral( "WMS" );
}
}
QString versionString = parameterMap.value( QStringLiteral( "VERSION" ) );
//possibility for client to suggest a download filename
QString outputFileName = parameterMap.value( QStringLiteral( "FILE_NAME" ) );
if ( !outputFileName.isEmpty() )
{
requestHandler.setResponseHeader( QStringLiteral( "Content-Disposition" ), "attachment; filename=\"" + outputFileName + "\"" );
}
// Lookup for service
QgsService *service = sServiceRegistry.getService( serviceString, versionString );
if ( service )
{
service->executeRequest( request, responseDecorator, project );
}
else
{
throw QgsOgcServiceException( QStringLiteral( "Service configuration error" ),
QStringLiteral( "Service unknown or unsupported" ) ) ;
}
}
catch ( QgsServerException &ex )
{
responseDecorator.write( ex );
}
catch ( QgsException &ex )
{
// Internal server error
response.sendError( 500, ex.what() );
}
}
// Terminate the response
responseDecorator.finish();
// We are done using requestHandler in plugins, make sure we don't access
// to a deleted request handler from Python bindings
sServerInterface->clearRequestHandler();
if ( logLevel == QgsMessageLog::INFO )
{
QgsMessageLog::logMessage( "Request finished in " + QString::number( time.elapsed() ) + " ms", QStringLiteral( "Server" ), QgsMessageLog::INFO );
}
}
QDomDocument createDescribeFeatureTypeDocument( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
const QgsServerRequest &request )
{
Q_UNUSED( version );
QDomDocument doc;
QgsServerRequest::Parameters parameters = request.parameters();
QgsWfsParameters wfsParameters( parameters );
QgsWfsParameters::Format oFormat = wfsParameters.outputFormat();
// test oFormat
if ( oFormat == QgsWfsParameters::Format::NONE )
throw QgsBadRequestException( QStringLiteral( "Invalid WFS Parameter" ),
"OUTPUTFORMAT " + wfsParameters.outputFormatAsString() + "is not supported" );
QgsAccessControl *accessControl = serverIface->accessControls();
//xsd:schema
QDomElement schemaElement = doc.createElement( QStringLiteral( "schema" )/*xsd:schema*/ );
schemaElement.setAttribute( QStringLiteral( "xmlns" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema" ) );
schemaElement.setAttribute( QStringLiteral( "xmlns:xsd" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema" ) );
schemaElement.setAttribute( QStringLiteral( "xmlns:ogc" ), OGC_NAMESPACE );
schemaElement.setAttribute( QStringLiteral( "xmlns:gml" ), GML_NAMESPACE );
schemaElement.setAttribute( QStringLiteral( "xmlns:qgs" ), QGS_NAMESPACE );
schemaElement.setAttribute( QStringLiteral( "targetNamespace" ), QGS_NAMESPACE );
schemaElement.setAttribute( QStringLiteral( "elementFormDefault" ), QStringLiteral( "qualified" ) );
schemaElement.setAttribute( QStringLiteral( "version" ), QStringLiteral( "1.0" ) );
doc.appendChild( schemaElement );
//xsd:import
QDomElement importElement = doc.createElement( QStringLiteral( "import" )/*xsd:import*/ );
importElement.setAttribute( QStringLiteral( "namespace" ), GML_NAMESPACE );
if ( oFormat == QgsWfsParameters::Format::GML2 )
importElement.setAttribute( QStringLiteral( "schemaLocation" ), QStringLiteral( "http://schemas.opengis.net/gml/2.1.2/feature.xsd" ) );
else if ( oFormat == QgsWfsParameters::Format::GML3 )
importElement.setAttribute( QStringLiteral( "schemaLocation" ), QStringLiteral( "http://schemas.opengis.net/gml/3.1.1/base/gml.xsd" ) );
schemaElement.appendChild( importElement );
QStringList typeNameList;
QDomDocument queryDoc;
QString errorMsg;
if ( queryDoc.setContent( parameters.value( QStringLiteral( "REQUEST_BODY" ) ), true, &errorMsg ) )
{
//read doc
QDomElement queryDocElem = queryDoc.documentElement();
QDomNodeList docChildNodes = queryDocElem.childNodes();
if ( docChildNodes.size() )
{
for ( int i = 0; i < docChildNodes.size(); i++ )
{
QDomElement docChildElem = docChildNodes.at( i ).toElement();
if ( docChildElem.tagName() == QLatin1String( "TypeName" ) )
{
QString typeName = docChildElem.text().trimmed();
if ( typeName.contains( ':' ) )
typeNameList << typeName.section( ':', 1, 1 );
else
typeNameList << typeName;
}
}
}
}
else
{
QString typeNames = request.parameter( QStringLiteral( "TYPENAME" ) );
if ( !typeNames.isEmpty() )
{
QStringList typeNameSplit = typeNames.split( ',' );
for ( int i = 0; i < typeNameSplit.size(); ++i )
{
QString typeName = typeNameSplit.at( i ).trimmed();
if ( typeName.contains( ':' ) )
typeNameList << typeName.section( ':', 1, 1 );
else
typeNameList << typeName;
}
}
}
QStringList wfsLayerIds = QgsServerProjectUtils::wfsLayerIds( *project );
for ( int i = 0; i < wfsLayerIds.size(); ++i )
{
QgsMapLayer *layer = project->mapLayer( wfsLayerIds.at( i ) );
if ( layer->type() != QgsMapLayer::LayerType::VectorLayer )
{
continue;
}
QString name = layer->name();
if ( !layer->shortName().isEmpty() )
name = layer->shortName();
name = name.replace( ' ', '_' );
if ( !typeNameList.isEmpty() && !typeNameList.contains( name ) )
{
continue;
}
if ( accessControl && !accessControl->layerReadPermission( layer ) )
{
if ( !typeNameList.isEmpty() )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature access permission denied" ) );
}
else
{
continue;
}
}
QgsVectorLayer *vLayer = qobject_cast<QgsVectorLayer *>( layer );
QgsVectorDataProvider *provider = vLayer->dataProvider();
if ( !provider )
{
continue;
}
setSchemaLayer( schemaElement, doc, const_cast<QgsVectorLayer *>( vLayer ) );
}
return doc;
}
QDomDocument createDescribeCoverageDocument( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
const QgsServerRequest &request )
{
Q_UNUSED( version );
QDomDocument doc;
QgsServerRequest::Parameters parameters = request.parameters();
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsAccessControl *accessControl = serverIface->accessControls();
#endif
//wcs:WCS_Capabilities element
QDomElement coveDescElement = doc.createElement( QStringLiteral( "CoverageDescription" )/*wcs:CoverageDescription*/ );
coveDescElement.setAttribute( QStringLiteral( "xmlns" ), WCS_NAMESPACE );
coveDescElement.setAttribute( QStringLiteral( "xmlns:xsi" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema-instance" ) );
coveDescElement.setAttribute( QStringLiteral( "xsi:schemaLocation" ), WCS_NAMESPACE + " http://schemas.opengis.net/wcs/1.0.0/describeCoverage.xsd" );
coveDescElement.setAttribute( QStringLiteral( "xmlns:gml" ), GML_NAMESPACE );
coveDescElement.setAttribute( QStringLiteral( "xmlns:xlink" ), QStringLiteral( "http://www.w3.org/1999/xlink" ) );
coveDescElement.setAttribute( QStringLiteral( "version" ), QStringLiteral( "1.0.0" ) );
coveDescElement.setAttribute( QStringLiteral( "updateSequence" ), QStringLiteral( "0" ) );
doc.appendChild( coveDescElement );
//defining coverage name
QString coveNames;
//read COVERAGE
QMap<QString, QString>::const_iterator cove_name_it = parameters.constFind( QStringLiteral( "COVERAGE" ) );
if ( cove_name_it != parameters.constEnd() )
{
coveNames = cove_name_it.value();
}
if ( coveNames.isEmpty() )
{
QMap<QString, QString>::const_iterator cove_name_it = parameters.constFind( QStringLiteral( "IDENTIFIER" ) );
if ( cove_name_it != parameters.constEnd() )
{
coveNames = cove_name_it.value();
}
}
QStringList coveNameList;
if ( !coveNames.isEmpty() )
{
coveNameList = coveNames.split( ',' );
for ( int i = 0; i < coveNameList.size(); ++i )
{
coveNameList.replace( i, coveNameList.at( i ).trimmed() );
}
}
QStringList wcsLayersId = QgsServerProjectUtils::wcsLayerIds( *project );
for ( int i = 0; i < wcsLayersId.size(); ++i )
{
QgsMapLayer *layer = project->mapLayer( wcsLayersId.at( i ) );
if ( !layer )
{
continue;
}
if ( layer->type() != QgsMapLayer::LayerType::RasterLayer )
{
continue;
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
if ( !accessControl->layerReadPermission( layer ) )
{
continue;
}
#endif
QString name = layer->name();
if ( !layer->shortName().isEmpty() )
name = layer->shortName();
name = name.replace( ' ', '_' );
if ( coveNameList.size() == 0 || coveNameList.contains( name ) )
{
QgsRasterLayer *rLayer = qobject_cast<QgsRasterLayer *>( layer );
coveDescElement.appendChild( getCoverageOffering( doc, const_cast<QgsRasterLayer *>( rLayer ), project ) );
}
}
return doc;
}
QDomDocument getCapabilities( QgsServerInterface* serverIface, const QString& version,
const QgsServerRequest& request, bool projectSettings )
{
QDomDocument doc;
QDomElement wmsCapabilitiesElement;
QgsWmsConfigParser* configParser = getConfigParser( serverIface );
QgsServerRequest::Parameters parameters = request.parameters();
// Get service URL
QUrl href = serviceUrl( request, configParser );
//href needs to be a prefix
QString hrefString = href.toString( QUrl::FullyDecoded );
hrefString.append( href.hasQuery() ? "&" : "?" );
// XML declaration
QDomProcessingInstruction xmlDeclaration = doc.createProcessingInstruction( QStringLiteral( "xml" ),
QStringLiteral( "version=\"1.0\" encoding=\"utf-8\"" ) );
// Append format helper
std::function < void ( QDomElement&, const QString& ) > appendFormat = [&doc]( QDomElement & elem, const QString & format )
{
QDomElement formatElem = doc.createElement( QStringLiteral( "Format" )/*wms:Format*/ );
formatElem.appendChild( doc.createTextNode( format ) );
elem.appendChild( formatElem );
};
if ( version == QLatin1String( "1.1.1" ) )
{
doc = QDomDocument( QStringLiteral( "WMT_MS_Capabilities SYSTEM 'http://schemas.opengis.net/wms/1.1.1/WMS_MS_Capabilities.dtd'" ) ); //WMS 1.1.1 needs DOCTYPE "SYSTEM http://schemas.opengis.net/wms/1.1.1/WMS_MS_Capabilities.dtd"
doc.appendChild( xmlDeclaration );
wmsCapabilitiesElement = doc.createElement( QStringLiteral( "WMT_MS_Capabilities" )/*wms:WMS_Capabilities*/ );
}
else // 1.3.0 as default
{
doc.appendChild( xmlDeclaration );
wmsCapabilitiesElement = doc.createElement( QStringLiteral( "WMS_Capabilities" )/*wms:WMS_Capabilities*/ );
wmsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns" ), QStringLiteral( "http://www.opengis.net/wms" ) );
wmsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns:sld" ), QStringLiteral( "http://www.opengis.net/sld" ) );
wmsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns:qgs" ), QStringLiteral( "http://www.qgis.org/wms" ) );
wmsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns:xsi" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema-instance" ) );
QString schemaLocation = QStringLiteral( "http://www.opengis.net/wms" );
schemaLocation += QLatin1String( " http://schemas.opengis.net/wms/1.3.0/capabilities_1_3_0.xsd" );
schemaLocation += QLatin1String( " http://www.opengis.net/sld" );
schemaLocation += QLatin1String( " http://schemas.opengis.net/sld/1.1.0/sld_capabilities.xsd" );
schemaLocation += QLatin1String( " http://www.qgis.org/wms" );
if ( configParser && configParser->wmsInspireActivated() )
{
wmsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns:inspire_common" ), QStringLiteral( "http://inspire.ec.europa.eu/schemas/common/1.0" ) );
wmsCapabilitiesElement.setAttribute( QStringLiteral( "xmlns:inspire_vs" ), QStringLiteral( "http://inspire.ec.europa.eu/schemas/inspire_vs/1.0" ) );
schemaLocation += QLatin1String( " http://inspire.ec.europa.eu/schemas/inspire_vs/1.0" );
schemaLocation += QLatin1String( " http://inspire.ec.europa.eu/schemas/inspire_vs/1.0/inspire_vs.xsd" );
}
schemaLocation += " " + hrefString + "SERVICE=WMS&REQUEST=GetSchemaExtension";
wmsCapabilitiesElement.setAttribute( QStringLiteral( "xsi:schemaLocation" ), schemaLocation );
}
wmsCapabilitiesElement.setAttribute( QStringLiteral( "version" ), version );
doc.appendChild( wmsCapabilitiesElement );
configParser->serviceCapabilities( wmsCapabilitiesElement, doc );
//wms:Capability element
QDomElement capabilityElement = doc.createElement( QStringLiteral( "Capability" )/*wms:Capability*/ );
wmsCapabilitiesElement.appendChild( capabilityElement );
//wms:Request element
QDomElement requestElement = doc.createElement( QStringLiteral( "Request" )/*wms:Request*/ );
capabilityElement.appendChild( requestElement );
QDomElement dcpTypeElement = doc.createElement( QStringLiteral( "DCPType" )/*wms:DCPType*/ );
QDomElement httpElement = doc.createElement( QStringLiteral( "HTTP" )/*wms:HTTP*/ );
dcpTypeElement.appendChild( httpElement );
QDomElement elem;
//wms:GetCapabilities
elem = doc.createElement( QStringLiteral( "GetCapabilities" )/*wms:GetCapabilities*/ );
appendFormat( elem, ( version == QLatin1String( "1.1.1" ) ? "application/vnd.ogc.wms_xml" : "text/xml" ) );
elem.appendChild( dcpTypeElement );
requestElement.appendChild( elem );
// SOAP platform
//only give this information if it is not a WMS request to be in sync with the WMS capabilities schema
// XXX Not even sure that cam be ever true
if ( parameters.value( QStringLiteral( "SERVICE" ) ).compare( QLatin1String( "WMS" ), Qt::CaseInsensitive ) != 0 )
{
QDomElement soapElement = doc.createElement( QStringLiteral( "SOAP" )/*wms:SOAP*/ );
httpElement.appendChild( soapElement );
QDomElement soapResourceElement = doc.createElement( QStringLiteral( "OnlineResource" )/*wms:OnlineResource*/ );
soapResourceElement.setAttribute( QStringLiteral( "xmlns:xlink" ), QStringLiteral( "http://www.w3.org/1999/xlink" ) );
soapResourceElement.setAttribute( QStringLiteral( "xlink:type" ), QStringLiteral( "simple" ) );
soapResourceElement.setAttribute( QStringLiteral( "xlink:href" ), hrefString );
soapElement.appendChild( soapResourceElement );
}
//only Get supported for the moment
QDomElement getElement = doc.createElement( QStringLiteral( "Get" )/*wms:Get*/ );
httpElement.appendChild( getElement );
QDomElement olResourceElement = doc.createElement( QStringLiteral( "OnlineResource" )/*wms:OnlineResource*/ );
olResourceElement.setAttribute( QStringLiteral( "xmlns:xlink" ), QStringLiteral( "http://www.w3.org/1999/xlink" ) );
olResourceElement.setAttribute( QStringLiteral( "xlink:type" ), QStringLiteral( "simple" ) );
olResourceElement.setAttribute( QStringLiteral( "xlink:href" ), hrefString );
getElement.appendChild( olResourceElement );
//wms:GetMap
elem = doc.createElement( QStringLiteral( "GetMap" )/*wms:GetMap*/ );
appendFormat( elem, QStringLiteral( "image/jpeg" ) );
appendFormat( elem, QStringLiteral( "image/png" ) );
appendFormat( elem, QStringLiteral( "image/png; mode=16bit" ) );
appendFormat( elem, QStringLiteral( "image/png; mode=8bit" ) );
appendFormat( elem, QStringLiteral( "image/png; mode=1bit" ) );
appendFormat( elem, QStringLiteral( "application/dxf" ) );
elem.appendChild( dcpTypeElement.cloneNode().toElement() ); //this is the same as for 'GetCapabilities'
requestElement.appendChild( elem );
//wms:GetFeatureInfo
elem = doc.createElement( QStringLiteral( "GetFeatureInfo" ) );
appendFormat( elem, QStringLiteral( "text/plain" ) );
appendFormat( elem, QStringLiteral( "text/html" ) );
appendFormat( elem, QStringLiteral( "text/xml" ) );
appendFormat( elem, QStringLiteral( "application/vnd.ogc.gml" ) );
appendFormat( elem, QStringLiteral( "application/vnd.ogc.gml/3.1.1" ) );
elem.appendChild( dcpTypeElement.cloneNode().toElement() ); //this is the same as for 'GetCapabilities'
requestElement.appendChild( elem );
//wms:GetLegendGraphic
elem = doc.createElement(( version == QLatin1String( "1.1.1" ) ? "GetLegendGraphic" : "sld:GetLegendGraphic" )/*wms:GetLegendGraphic*/ );
appendFormat( elem, QStringLiteral( "image/jpeg" ) );
appendFormat( elem, QStringLiteral( "image/png" ) );
elem.appendChild( dcpTypeElement.cloneNode().toElement() ); // this is the same as for 'GetCapabilities'
requestElement.appendChild( elem );
//wms:DescribeLayer
elem = doc.createElement(( version == QLatin1String( "1.1.1" ) ? "DescribeLayer" : "sld:DescribeLayer" )/*wms:GetLegendGraphic*/ );
appendFormat( elem, QStringLiteral( "text/xml" ) );
elem.appendChild( dcpTypeElement.cloneNode().toElement() ); // this is the same as for 'GetCapabilities'
requestElement.appendChild( elem );
//wms:GetStyles
elem = doc.createElement(( version == QLatin1String( "1.1.1" ) ? "GetStyles" : "qgs:GetStyles" )/*wms:GetStyles*/ );
appendFormat( elem, QStringLiteral( "text/xml" ) );
elem.appendChild( dcpTypeElement.cloneNode().toElement() ); //this is the same as for 'GetCapabilities'
requestElement.appendChild( elem );
if ( projectSettings ) //remove composer templates from GetCapabilities in the long term
{
//wms:GetPrint
elem = doc.createElement( QStringLiteral( "GetPrint" ) /*wms:GetPrint*/ );
appendFormat( elem, QStringLiteral( "svg" ) );
appendFormat( elem, QStringLiteral( "png" ) );
appendFormat( elem, QStringLiteral( "pdf" ) );
elem.appendChild( dcpTypeElement.cloneNode().toElement() ); //this is the same as for 'GetCapabilities'
requestElement.appendChild( elem );
}
//Exception element is mandatory
elem = doc.createElement( QStringLiteral( "Exception" ) );
appendFormat( elem, ( version == QLatin1String( "1.1.1" ) ? "application/vnd.ogc.se_xml" : "XML" ) );
capabilityElement.appendChild( elem );
//UserDefinedSymbolization element
if ( version == QLatin1String( "1.3.0" ) )
{
elem = doc.createElement( QStringLiteral( "sld:UserDefinedSymbolization" ) );
elem.setAttribute( QStringLiteral( "SupportSLD" ), QStringLiteral( "1" ) );
elem.setAttribute( QStringLiteral( "UserLayer" ), QStringLiteral( "0" ) );
elem.setAttribute( QStringLiteral( "UserStyle" ), QStringLiteral( "1" ) );
elem.setAttribute( QStringLiteral( "RemoteWFS" ), QStringLiteral( "0" ) );
elem.setAttribute( QStringLiteral( "InlineFeature" ), QStringLiteral( "0" ) );
elem.setAttribute( QStringLiteral( "RemoteWCS" ), QStringLiteral( "0" ) );
capabilityElement.appendChild( elem );
if ( configParser->wmsInspireActivated() )
{
configParser->inspireCapabilities( capabilityElement, doc );
}
}
if ( projectSettings )
{
//Insert <ComposerTemplate> elements derived from wms:_ExtendedCapabilities
configParser->printCapabilities( capabilityElement, doc );
//WFS layers
QStringList wfsLayers = configParser->wfsLayerNames();
if ( !wfsLayers.isEmpty() )
{
QDomElement wfsLayersElem = doc.createElement( QStringLiteral( "WFSLayers" ) );
for ( auto wfsIt = wfsLayers.constBegin() ; wfsIt != wfsLayers.constEnd(); ++wfsIt )
{
QDomElement wfsLayerElem = doc.createElement( QStringLiteral( "WFSLayer" ) );
wfsLayerElem.setAttribute( QStringLiteral( "name" ), *wfsIt );
wfsLayersElem.appendChild( wfsLayerElem );
}
capabilityElement.appendChild( wfsLayersElem );
}
}
//add the xml content for the individual layers/styles
configParser->layersAndStylesCapabilities( capabilityElement, doc, version, projectSettings );
return doc;
}
QDomDocument createTransactionDocument( QgsServerInterface* serverIface, const QString& version,
const QgsServerRequest& request )
{
Q_UNUSED( version );
QDomDocument doc;
QgsWfsProjectParser* configParser = getConfigParser( serverIface );
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsAccessControl* accessControl = serverIface->accessControls();
#endif
const QString requestBody = request.getParameter( QStringLiteral( "REQUEST_BODY" ) );
QString errorMsg;
if ( !doc.setContent( requestBody, true, &errorMsg ) )
{
throw QgsRequestNotWellFormedException( errorMsg );
}
QDomElement docElem = doc.documentElement();
QDomNodeList docChildNodes = docElem.childNodes();
// Re-organize the transaction document
QDomDocument mDoc;
QDomElement mDocElem = mDoc.createElement( QStringLiteral( "myTransactionDocument" ) );
mDocElem.setAttribute( QStringLiteral( "xmlns" ), QGS_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:wfs" ), WFS_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:gml" ), GML_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:ogc" ), OGC_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:qgs" ), QGS_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:xsi" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema-instance" ) );
mDoc.appendChild( mDocElem );
QDomElement actionElem;
QString actionName;
QDomElement typeNameElem;
QString typeName;
for ( int i = docChildNodes.count(); 0 < i; --i )
{
actionElem = docChildNodes.at( i - 1 ).toElement();
actionName = actionElem.localName();
if ( actionName == QLatin1String( "Insert" ) )
{
QDomElement featureElem = actionElem.firstChild().toElement();
typeName = featureElem.localName();
}
else if ( actionName == QLatin1String( "Update" ) )
{
typeName = actionElem.attribute( QStringLiteral( "typeName" ) );
}
else if ( actionName == QLatin1String( "Delete" ) )
{
typeName = actionElem.attribute( QStringLiteral( "typeName" ) );
}
if ( typeName.contains( QLatin1String( ":" ) ) )
typeName = typeName.section( QStringLiteral( ":" ), 1, 1 );
QDomNodeList typeNameList = mDocElem.elementsByTagName( typeName );
if ( typeNameList.count() == 0 )
{
typeNameElem = mDoc.createElement( typeName );
mDocElem.appendChild( typeNameElem );
}
else
typeNameElem = typeNameList.at( 0 ).toElement();
typeNameElem.appendChild( actionElem );
}
// It's time to make the transaction
// Create the response document
QDomDocument resp;
//wfs:WFS_TransactionRespone element
QDomElement respElem = resp.createElement( QStringLiteral( "WFS_TransactionResponse" )/*wfs:WFS_TransactionResponse*/ );
respElem.setAttribute( QStringLiteral( "xmlns" ), WFS_NAMESPACE );
respElem.setAttribute( QStringLiteral( "xmlns:xsi" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema-instance" ) );
respElem.setAttribute( QStringLiteral( "xsi:schemaLocation" ), WFS_NAMESPACE + " http://schemas.opengis.net/wfs/1.0.0/wfs.xsd" );
respElem.setAttribute( QStringLiteral( "xmlns:ogc" ), OGC_NAMESPACE );
respElem.setAttribute( QStringLiteral( "version" ), QStringLiteral( "1.0.0" ) );
resp.appendChild( respElem );
// Store the created feature id for WFS
QStringList insertResults;
// Get the WFS layers id
QStringList wfsLayersId = configParser->wfsLayers();;
QList<QgsMapLayer*> layerList;
QgsMapLayer* currentLayer = nullptr;
// Loop through the layer transaction elements
docChildNodes = mDocElem.childNodes();
for ( int i = 0; i < docChildNodes.count(); ++i )
{
// Get the vector layer
typeNameElem = docChildNodes.at( i ).toElement();
typeName = typeNameElem.tagName();
layerList = configParser->mapLayerFromTypeName( typeName );
// Could be empty!
if ( layerList.count() > 0 )
{
currentLayer = layerList.at( 0 );
}
else
{
throw QgsRequestNotWellFormedException( QStringLiteral( "Wrong TypeName: %1" ).arg( typeName ) );
}
QgsVectorLayer* layer = qobject_cast<QgsVectorLayer*>( currentLayer );
// it's a vectorlayer and defined by the administrator as a WFS layer
if ( layer && wfsLayersId.contains( layer->id() ) )
{
#ifdef HAVE_SERVER_PYTHON_PLUGINS
if ( actionName == QLatin1String( "Insert" ) )
{
if ( !accessControl->layerInsertPermission( layer ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature insert permission denied" ) );
}
}
else if ( actionName == QLatin1String( "Update" ) )
{
if ( !accessControl->layerUpdatePermission( layer ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature update permission denied" ) );
}
}
else if ( actionName == QLatin1String( "Delete" ) )
{
if ( !accessControl->layerDeletePermission( layer ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature delete permission denied" ) );
}
}
#endif
// Get the provider and it's capabilities
QgsVectorDataProvider* provider = layer->dataProvider();
if ( !provider )
{
continue;
}
int cap = provider->capabilities();
// Start the update transaction
layer->startEditing();
if (( cap & QgsVectorDataProvider::ChangeAttributeValues ) && ( cap & QgsVectorDataProvider::ChangeGeometries ) )
{
// Loop through the update elements for this layer
QDomNodeList upNodeList = typeNameElem.elementsByTagNameNS( WFS_NAMESPACE, QStringLiteral( "Update" ) );
for ( int j = 0; j < upNodeList.count(); ++j )
{
if ( !configParser->wfstUpdateLayers().contains( layer->id() ) )
{
//no wfs permissions to do updates
QString errorMsg = "No permissions to do WFS updates on layer '" + layer->name() + "'";
QgsMessageLog::logMessage( errorMsg, QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
addTransactionResult( resp, respElem, QStringLiteral( "FAILED" ), QStringLiteral( "Update" ), errorMsg );
return resp;
}
actionElem = upNodeList.at( j ).toElement();
// Get the Feature Ids for this filter on the layer
QDomElement filterElem = actionElem.elementsByTagName( QStringLiteral( "Filter" ) ).at( 0 ).toElement();
QgsFeatureIds fids = getFeatureIdsFromFilter( filterElem, layer );
// Loop through the property elements
// Store properties and the geometry element
QDomNodeList propertyNodeList = actionElem.elementsByTagName( QStringLiteral( "Property" ) );
QMap<QString, QString> propertyMap;
QDomElement propertyElem;
QDomElement nameElem;
QDomElement valueElem;
QDomElement geometryElem;
for ( int l = 0; l < propertyNodeList.count(); ++l )
{
propertyElem = propertyNodeList.at( l ).toElement();
nameElem = propertyElem.elementsByTagName( QStringLiteral( "Name" ) ).at( 0 ).toElement();
valueElem = propertyElem.elementsByTagName( QStringLiteral( "Value" ) ).at( 0 ).toElement();
if ( nameElem.text() != QLatin1String( "geometry" ) )
{
propertyMap.insert( nameElem.text(), valueElem.text() );
}
else
{
geometryElem = valueElem;
}
}
// Update the features
QgsFields fields = provider->fields();
QMap<QString, int> fieldMap = provider->fieldNameMap();
QMap<QString, int>::const_iterator fieldMapIt;
QString fieldName;
bool conversionSuccess;
QgsFeatureIds::const_iterator fidIt = fids.constBegin();
for ( ; fidIt != fids.constEnd(); ++fidIt )
{
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest( *fidIt ) );
QgsFeature feature;
while ( fit.nextFeature( feature ) )
{
if ( !accessControl->allowToEdit( layer, feature ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
}
#endif
QMap< QString, QString >::const_iterator it = propertyMap.constBegin();
for ( ; it != propertyMap.constEnd(); ++it )
{
fieldName = it.key();
fieldMapIt = fieldMap.find( fieldName );
if ( fieldMapIt == fieldMap.constEnd() )
{
continue;
}
QgsField field = fields.at( fieldMapIt.value() );
if ( field.type() == 2 )
layer->changeAttributeValue( *fidIt, fieldMapIt.value(), it.value().toInt( &conversionSuccess ) );
else if ( field.type() == 6 )
layer->changeAttributeValue( *fidIt, fieldMapIt.value(), it.value().toDouble( &conversionSuccess ) );
else
layer->changeAttributeValue( *fidIt, fieldMapIt.value(), it.value() );
}
if ( !geometryElem.isNull() )
{
QgsGeometry g = QgsOgcUtils::geometryFromGML( geometryElem );
if ( !layer->changeGeometry( *fidIt, g ) )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "Error in change geometry" ) );
}
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
fit = layer->getFeatures( QgsFeatureRequest( *fidIt ) );
while ( fit.nextFeature( feature ) )
{
if ( !accessControl->allowToEdit( layer, feature ) )
{
layer->rollBack();
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
}
#endif
}
}
}
// Commit the changes of the update elements
if ( !layer->commitChanges() )
{
addTransactionResult( resp, respElem, QStringLiteral( "PARTIAL" ), QStringLiteral( "Update" ), layer->commitErrors().join( QStringLiteral( "\n " ) ) );
return resp;
}
// Start the delete transaction
layer->startEditing();
if (( cap & QgsVectorDataProvider::DeleteFeatures ) )
{
// Loop through the delete elements
QDomNodeList delNodeList = typeNameElem.elementsByTagNameNS( WFS_NAMESPACE, QStringLiteral( "Delete" ) );
for ( int j = 0; j < delNodeList.count(); ++j )
{
if ( !configParser->wfstDeleteLayers().contains( layer->id() ) )
{
//no wfs permissions to do updates
QString errorMsg = "No permissions to do WFS deletes on layer '" + layer->name() + "'";
QgsMessageLog::logMessage( errorMsg, QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
addTransactionResult( resp, respElem, QStringLiteral( "FAILED" ), QStringLiteral( "Delete" ), errorMsg );
return resp;
}
actionElem = delNodeList.at( j ).toElement();
QDomElement filterElem = actionElem.firstChild().toElement();
// Get Feature Ids for the Filter element
QgsFeatureIds fids = getFeatureIdsFromFilter( filterElem, layer );
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsFeatureIds::const_iterator fidIt = fids.constBegin();
for ( ; fidIt != fids.constEnd(); ++fidIt )
{
QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest( *fidIt ) );
QgsFeature feature;
while ( fit.nextFeature( feature ) )
{
if ( !accessControl->allowToEdit( layer, feature ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
}
}
#endif
layer->selectByIds( fids );
layer->deleteSelectedFeatures();
}
}
// Commit the changes of the delete elements
if ( !layer->commitChanges() )
{
addTransactionResult( resp, respElem, QStringLiteral( "PARTIAL" ), QStringLiteral( "Delete" ), layer->commitErrors().join( QStringLiteral( "\n " ) ) );
return resp;
}
// Store the inserted features
QgsFeatureList inFeatList;
if ( cap & QgsVectorDataProvider::AddFeatures )
{
// Get Layer Field Information
QgsFields fields = provider->fields();
QMap<QString, int> fieldMap = provider->fieldNameMap();
QMap<QString, int>::const_iterator fieldMapIt;
// Loop through the insert elements
QDomNodeList inNodeList = typeNameElem.elementsByTagNameNS( WFS_NAMESPACE, QStringLiteral( "Insert" ) );
for ( int j = 0; j < inNodeList.count(); ++j )
{
if ( !configParser->wfstInsertLayers().contains( layer->id() ) )
{
//no wfs permissions to do updates
QString errorMsg = "No permissions to do WFS inserts on layer '" + layer->name() + "'";
QgsMessageLog::logMessage( errorMsg, QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
addTransactionResult( resp, respElem, QStringLiteral( "FAILED" ), QStringLiteral( "Insert" ), errorMsg );
return resp;
}
actionElem = inNodeList.at( j ).toElement();
// Loop through the feature element
QDomNodeList featNodes = actionElem.childNodes();
for ( int l = 0; l < featNodes.count(); l++ )
{
// Add the feature to the layer
// and store it to put it's Feature Id in the response
inFeatList << QgsFeature( fields );
// Create feature for this layer
QDomElement featureElem = featNodes.at( l ).toElement();
QDomNode currentAttributeChild = featureElem.firstChild();
while ( !currentAttributeChild.isNull() )
{
QDomElement currentAttributeElement = currentAttributeChild.toElement();
QString attrName = currentAttributeElement.localName();
if ( attrName != QLatin1String( "boundedBy" ) )
{
if ( attrName != QLatin1String( "geometry" ) ) //a normal attribute
{
fieldMapIt = fieldMap.find( attrName );
if ( fieldMapIt == fieldMap.constEnd() )
{
continue;
}
QgsField field = fields.at( fieldMapIt.value() );
QString attrValue = currentAttributeElement.text();
int attrType = field.type();
QgsMessageLog::logMessage( QStringLiteral( "attr: name=%1 idx=%2 value=%3" ).arg( attrName ).arg( fieldMapIt.value() ).arg( attrValue ) );
if ( attrType == QVariant::Int )
inFeatList.last().setAttribute( fieldMapIt.value(), attrValue.toInt() );
else if ( attrType == QVariant::Double )
inFeatList.last().setAttribute( fieldMapIt.value(), attrValue.toDouble() );
else
inFeatList.last().setAttribute( fieldMapIt.value(), attrValue );
}
else //a geometry attribute
{
QgsGeometry g = QgsOgcUtils::geometryFromGML( currentAttributeElement );
inFeatList.last().setGeometry( g );
}
}
currentAttributeChild = currentAttributeChild.nextSibling();
}
}
}
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsFeatureList::iterator featureIt = inFeatList.begin();
while ( featureIt != inFeatList.end() )
{
if ( !accessControl->allowToEdit( layer, *featureIt ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
featureIt++;
}
#endif
// add the features
if ( !provider->addFeatures( inFeatList ) )
{
addTransactionResult( resp, respElem, QStringLiteral( "Partial" ), QStringLiteral( "Insert" ), layer->commitErrors().join( QStringLiteral( "\n " ) ) );
if ( provider->hasErrors() )
{
provider->clearErrors();
}
return resp;
}
// Get the Feature Ids of the inserted feature
for ( int j = 0; j < inFeatList.size(); j++ )
{
insertResults << typeName + "." + QString::number( inFeatList[j].id() );
}
}
}
// Put the Feature Ids of the inserted feature
if ( !insertResults.isEmpty() )
{
Q_FOREACH ( const QString &fidStr, insertResults )
{
QDomElement irElem = doc.createElement( QStringLiteral( "InsertResult" ) );
QDomElement fiElem = doc.createElement( QStringLiteral( "ogc:FeatureId" ) );
fiElem.setAttribute( QStringLiteral( "fid" ), fidStr );
irElem.appendChild( fiElem );
respElem.appendChild( irElem );
}
// DescribeLayer is defined for WMS1.1.1/SLD1.0 and in WMS 1.3.0 SLD Extension
QDomDocument describeLayer( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
const QgsServerRequest &request )
{
Q_UNUSED( version );
QgsServerRequest::Parameters parameters = request.parameters();
if ( !parameters.contains( QStringLiteral( "SLD_VERSION" ) ) )
{
throw QgsServiceException( QStringLiteral( "MissingParameterValue" ),
QStringLiteral( "SLD_VERSION is mandatory for DescribeLayer operation" ), 400 );
}
if ( parameters[ QStringLiteral( "SLD_VERSION" )] != QLatin1String( "1.1.0" ) )
{
throw QgsServiceException( QStringLiteral( "InvalidParameterValue" ),
QStringLiteral( "SLD_VERSION = %1 is not supported" ).arg( parameters[ QStringLiteral( "SLD_VERSION" )] ), 400 );
}
if ( !parameters.contains( QStringLiteral( "LAYERS" ) ) )
{
throw QgsServiceException( QStringLiteral( "MissingParameterValue" ),
QStringLiteral( "LAYERS is mandatory for DescribeLayer operation" ), 400 );
}
QStringList layersList = parameters[ QStringLiteral( "LAYERS" )].split( ',', QString::SkipEmptyParts );
if ( layersList.isEmpty() )
{
throw QgsServiceException( QStringLiteral( "InvalidParameterValue" ), QStringLiteral( "Layers is empty" ), 400 );
}
QDomDocument myDocument = QDomDocument();
QDomNode header = myDocument.createProcessingInstruction( QStringLiteral( "xml" ), QStringLiteral( "version=\"1.0\" encoding=\"UTF-8\"" ) );
myDocument.appendChild( header );
// Create the root element
QDomElement root = myDocument.createElementNS( QStringLiteral( "http://www.opengis.net/sld" ), QStringLiteral( "DescribeLayerResponse" ) );
root.setAttribute( QStringLiteral( "xsi:schemaLocation" ), QStringLiteral( "http://www.opengis.net/sld http://schemas.opengis.net/sld/1.1.0/DescribeLayer.xsd" ) );
root.setAttribute( QStringLiteral( "xmlns:ows" ), QStringLiteral( "http://www.opengis.net/ows" ) );
root.setAttribute( QStringLiteral( "xmlns:se" ), QStringLiteral( "http://www.opengis.net/se" ) );
root.setAttribute( QStringLiteral( "xmlns:xlink" ), QStringLiteral( "http://www.w3.org/1999/xlink" ) );
root.setAttribute( QStringLiteral( "xmlns:xsi" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema-instance" ) );
myDocument.appendChild( root );
// store the Version element
QDomElement versionNode = myDocument.createElement( QStringLiteral( "Version" ) );
versionNode.appendChild( myDocument.createTextNode( QStringLiteral( "1.1.0" ) ) );
root.appendChild( versionNode );
// get the wms service url defined in project or keep the one from the
// request url
QString wmsHrefString = serviceUrl( request, project ).toString();
// get the wfs service url defined in project or take the same as the
// wms service url
QString wfsHrefString = QgsServerProjectUtils::wfsServiceUrl( *project );
if ( wfsHrefString.isEmpty() )
{
wfsHrefString = wmsHrefString;
}
// get the wcs service url defined in project or take the same as the
// wms service url
QString wcsHrefString = QgsServerProjectUtils::wcsServiceUrl( *project );
if ( wcsHrefString.isEmpty() )
{
wcsHrefString = wmsHrefString;
}
// access control
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsAccessControl *accessControl = serverIface->accessControls();
#endif
// Use layer ids
bool useLayerIds = QgsServerProjectUtils::wmsUseLayerIds( *project );
// WMS restricted layers
QStringList restrictedLayers = QgsServerProjectUtils::wmsRestrictedLayers( *project );
// WFS layers
QStringList wfsLayerIds = QgsServerProjectUtils::wfsLayerIds( *project );
// WCS layers
QStringList wcsLayerIds = QgsServerProjectUtils::wcsLayerIds( *project );
for ( QgsMapLayer *layer : project->mapLayers() )
{
QString name = layer->name();
if ( useLayerIds )
name = layer->id();
else if ( !layer->shortName().isEmpty() )
name = layer->shortName();
if ( !layersList.contains( name ) )
{
continue;
}
//unpublished layer
if ( restrictedLayers.contains( layer->name() ) )
{
throw QgsSecurityException( QStringLiteral( "You are not allowed to access to this layer" ) );
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
if ( accessControl && !accessControl->layerReadPermission( layer ) )
{
throw QgsSecurityException( QStringLiteral( "You are not allowed to access to this layer" ) );
}
#endif
// Create the NamedLayer element
QDomElement layerNode = myDocument.createElement( QStringLiteral( "LayerDescription" ) );
root.appendChild( layerNode );
// store the owsType element
QDomElement typeNode = myDocument.createElement( QStringLiteral( "owsType" ) );
// store the se:OnlineResource element
QDomElement oResNode = myDocument.createElement( QStringLiteral( "se:OnlineResource" ) );
oResNode.setAttribute( QStringLiteral( "xlink:type" ), QStringLiteral( "simple" ) );
// store the TypeName element
QDomElement nameNode = myDocument.createElement( QStringLiteral( "TypeName" ) );
switch ( layer->type() )
{
case QgsMapLayer::VectorLayer:
{
typeNode.appendChild( myDocument.createTextNode( QStringLiteral( "wfs" ) ) );
if ( wfsLayerIds.indexOf( layer->id() ) != -1 )
{
oResNode.setAttribute( QStringLiteral( "xlink:href" ), wfsHrefString );
}
// store the se:FeatureTypeName element
QDomElement typeNameNode = myDocument.createElement( QStringLiteral( "se:FeatureTypeName" ) );
typeNameNode.appendChild( myDocument.createTextNode( name ) );
nameNode.appendChild( typeNameNode );
break;
}
case QgsMapLayer::RasterLayer:
{
typeNode.appendChild( myDocument.createTextNode( QStringLiteral( "wcs" ) ) );
if ( wcsLayerIds.indexOf( layer->id() ) != -1 )
{
oResNode.setAttribute( QStringLiteral( "xlink:href" ), wcsHrefString );
}
// store the se:CoverageTypeName element
QDomElement typeNameNode = myDocument.createElement( QStringLiteral( "se:CoverageTypeName" ) );
typeNameNode.appendChild( myDocument.createTextNode( name ) );
nameNode.appendChild( typeNameNode );
break;
}
case QgsMapLayer::MeshLayer:
case QgsMapLayer::PluginLayer:
break;
}
layerNode.appendChild( typeNode );
layerNode.appendChild( oResNode );
layerNode.appendChild( nameNode );
}
return myDocument;
}
