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 );
}
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 );
}
// Write image response
void writeImage( QgsServerResponse &response, QImage &img, const QString &formatStr,
int imageQuality )
{
ImageOutputFormat outputFormat = parseImageFormat( formatStr );
QImage result;
QString saveFormat;
QString contentType;
switch ( outputFormat )
{
case PNG:
result = img;
contentType = "image/png";
saveFormat = "PNG";
break;
case PNG8:
{
QVector<QRgb> colorTable;
medianCut( colorTable, 256, img );
result = img.convertToFormat( QImage::Format_Indexed8, colorTable,
Qt::ColorOnly | Qt::ThresholdDither |
Qt::ThresholdAlphaDither | Qt::NoOpaqueDetection );
}
contentType = "image/png";
saveFormat = "PNG";
break;
case PNG16:
result = img.convertToFormat( QImage::Format_ARGB4444_Premultiplied );
contentType = "image/png";
saveFormat = "PNG";
break;
case PNG1:
result = img.convertToFormat( QImage::Format_Mono,
Qt::MonoOnly | Qt::ThresholdDither |
Qt::ThresholdAlphaDither | Qt::NoOpaqueDetection );
contentType = "image/png";
saveFormat = "PNG";
break;
case JPEG:
result = img;
contentType = "image/jpeg";
saveFormat = "JPEG";
break;
default:
QgsMessageLog::logMessage( QString( "Unsupported format string %1" ).arg( formatStr ) );
saveFormat = UNKN;
break;
}
if ( outputFormat != UNKN )
{
response.setHeader( "Content-Type", contentType );
if ( saveFormat == "JPEG" )
{
result.save( response.io(), qPrintable( saveFormat ), imageQuality );
}
else
{
result.save( response.io(), qPrintable( saveFormat ) );
}
}
else
{
QgsWmsParameter parameter( QgsWmsParameter::FORMAT );
parameter.mValue = formatStr;
throw QgsBadRequestException( QgsServiceException::OGC_InvalidFormat,
parameter );
}
}
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;
}
QUrlQuery translateWmtsParamToWmsQueryItem( const QString &request, const QgsWmtsParameters ¶ms,
const QgsProject *project, QgsServerInterface *serverIface )
{
#ifndef HAVE_SERVER_PYTHON_PLUGINS
( void )serverIface;
#endif
//defining Layer
QString layer = params.layer();
//read Layer
if ( layer.isEmpty() )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "Layer is mandatory" ) );
}
//check layer value
bool wmtsProject = project->readBoolEntry( QStringLiteral( "WMTSLayers" ), QStringLiteral( "Project" ) );
QStringList wmtsGroupNameList = project->readListEntry( QStringLiteral( "WMTSLayers" ), QStringLiteral( "Group" ) );
QStringList wmtsLayerIdList = project->readListEntry( QStringLiteral( "WMTSLayers" ), QStringLiteral( "Layer" ) );
QStringList wmtsLayerIds;
if ( wmtsProject )
{
// Root Layer name
QString rootLayerId = QgsServerProjectUtils::wmsRootName( *project );
if ( rootLayerId.isEmpty() )
{
rootLayerId = project->title();
}
if ( !rootLayerId.isEmpty() )
{
wmtsLayerIds << rootLayerId;
}
}
if ( !wmtsGroupNameList.isEmpty() )
{
QgsLayerTreeGroup *treeRoot = project->layerTreeRoot();
for ( const QString &gName : wmtsGroupNameList )
{
QgsLayerTreeGroup *treeGroup = treeRoot->findGroup( gName );
if ( !treeGroup )
{
continue;
}
QString groupLayerId = treeGroup->customProperty( QStringLiteral( "wmsShortName" ) ).toString();
if ( groupLayerId.isEmpty() )
{
groupLayerId = gName;
}
wmtsLayerIds << groupLayerId;
}
}
if ( !wmtsLayerIdList.isEmpty() )
{
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsAccessControl *accessControl = serverIface->accessControls();
#endif
for ( const QString &lId : wmtsLayerIdList )
{
QgsMapLayer *l = project->mapLayer( lId );
if ( !l )
{
continue;
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
if ( !accessControl->layerReadPermission( l ) )
{
continue;
}
#endif
QString layerLayerId = l->shortName();
if ( layerLayerId.isEmpty() )
{
layerLayerId = l->name();
}
wmtsLayerIds << layerLayerId;
}
}
if ( !wmtsLayerIds.contains( layer ) )
{
QString msg = QObject::tr( "Layer '%1' not found" ).arg( layer );
throw QgsBadRequestException( QStringLiteral( "LayerNotDefined" ), msg );
}
//defining Format
QString format = params.formatAsString();
//read Format
if ( format.isEmpty() )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "Format is mandatory" ) );
}
//defining TileMatrixSet ref
QString tms_ref = params.tileMatrixSet();
//read TileMatrixSet
if ( tms_ref.isEmpty() )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "TileMatrixSet is mandatory" ) );
}
// verifying TileMatrixSet value
QList< tileMatrixSetDef > tmsList = getTileMatrixSetList( project, tms_ref );
if ( tmsList.isEmpty() )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "TileMatrixSet is unknown" ) );
}
tileMatrixSetDef tms = tmsList[0];
if ( tms.ref != tms_ref )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "TileMatrixSet is unknown" ) );
}
//defining TileMatrix idx
int tm_idx = params.tileMatrixAsInt();
//read TileMatrix
if ( tm_idx < 0 || tms.tileMatrixList.count() < tm_idx )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "TileMatrix is unknown" ) );
}
tileMatrixDef tm = tms.tileMatrixList.at( tm_idx );
//defining TileRow
int tr = params.tileRowAsInt();
//read TileRow
if ( tr < 0 || tm.row <= tr )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "TileRow is unknown" ) );
}
//defining TileCol
int tc = params.tileColAsInt();
//read TileCol
if ( tc < 0 || tm.col <= tc )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "TileCol is unknown" ) );
}
double res = tm.resolution;
double minx = tm.left + tc * ( tileSize * res );
double miny = tm.top - ( tr + 1 ) * ( tileSize * res );
double maxx = tm.left + ( tc + 1 ) * ( tileSize * res );
double maxy = tm.top - tr * ( tileSize * res );
QString bbox;
if ( tms.hasAxisInverted )
{
bbox = qgsDoubleToString( miny, 6 ) + ',' +
qgsDoubleToString( minx, 6 ) + ',' +
qgsDoubleToString( maxy, 6 ) + ',' +
qgsDoubleToString( maxx, 6 );
}
else
{
bbox = qgsDoubleToString( minx, 6 ) + ',' +
qgsDoubleToString( miny, 6 ) + ',' +
qgsDoubleToString( maxx, 6 ) + ',' +
qgsDoubleToString( maxy, 6 );
}
QUrlQuery query;
if ( !params.value( QStringLiteral( "MAP" ) ).isEmpty() )
{
query.addQueryItem( QgsServerParameter::name( QgsServerParameter::MAP ), params.value( QStringLiteral( "MAP" ) ) );
}
query.addQueryItem( QgsServerParameter::name( QgsServerParameter::SERVICE ), QStringLiteral( "WMS" ) );
query.addQueryItem( QgsServerParameter::name( QgsServerParameter::VERSION_SERVICE ), QStringLiteral( "1.3.0" ) );
query.addQueryItem( QgsServerParameter::name( QgsServerParameter::REQUEST ), request );
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::LAYERS ), layer );
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::STYLES ), QString() );
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::CRS ), tms.ref );
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::BBOX ), bbox );
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::WIDTH ), QStringLiteral( "256" ) );
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::HEIGHT ), QStringLiteral( "256" ) );
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::FORMAT ), format );
if ( params.format() == QgsWmtsParameters::Format::PNG )
{
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::TRANSPARENT ), QStringLiteral( "true" ) );
}
query.addQueryItem( QgsWmsParameterForWmts::name( QgsWmsParameterForWmts::DPI ), QStringLiteral( "96" ) );
return query;
}
void QgsServerParameterDefinition::raiseError( const QString &msg )
{
throw QgsBadRequestException( QStringLiteral( "Invalid Parameter" ), msg );
}
