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 );
}
QList< tileMatrixSetDef > getTileMatrixSetList( const QgsProject *project, const QString &tms_ref )
{
QList< tileMatrixSetDef > tmsList;
bool gridsDefined = false;
QStringList wmtsGridList = project->readListEntry( QStringLiteral( "WMTSGrids" ), QStringLiteral( "CRS" ), QStringList(), &gridsDefined );
if ( gridsDefined )
{
if ( !tms_ref.isEmpty() && !wmtsGridList.contains( tms_ref ) )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "TileMatrixSet is unknown" ) );
}
QStringList wmtsGridConfigList = project->readListEntry( QStringLiteral( "WMTSGrids" ), QStringLiteral( "Config" ) );
for ( const QString &c : wmtsGridConfigList )
{
QStringList config = c.split( ',' );
QString crsStr = config[0];
if ( !tms_ref.isEmpty() && tms_ref != crsStr )
{
continue;
}
tileMatrixInfo tmi;
double fixedTop = 0.0;
double fixedLeft = 0.0;
double resolution = -1.0;
int col = -1;
int row = -1;
// Does the CRS have fixed tile matrices
if ( fixedTileMatrixInfoMap.contains( crsStr ) )
{
tmi = fixedTileMatrixInfoMap[crsStr];
// Calculate resolution based on scale denominator
resolution = tmi.resolution;
// Get fixed corner
QgsRectangle extent = tmi.extent;
fixedTop = extent.yMaximum();
fixedLeft = extent.xMinimum();
// Get numbers of column and row for the resolution to cover the extent
col = std::ceil( ( extent.xMaximum() - extent.xMinimum() ) / ( tileSize * resolution ) );
row = std::ceil( ( extent.yMaximum() - extent.yMinimum() ) / ( tileSize * resolution ) );
}
else
{
tmi.ref = crsStr;
fixedTop = QVariant( config[1] ).toDouble();
fixedLeft = QVariant( config[2] ).toDouble();
double minScale = QVariant( config[3] ).toDouble();
tmi.scaleDenominator = minScale;
QgsCoordinateReferenceSystem crs = QgsCoordinateReferenceSystem::fromOgcWmsCrs( crsStr );
tmi.unit = crs.mapUnits();
tmi.hasAxisInverted = crs.hasAxisInverted();
QgsCoordinateTransform crsTransform( QgsCoordinateReferenceSystem::fromOgcWmsCrs( GEO_EPSG_CRS_AUTHID ), crs, project );
try
{
// firstly transform CRS bounds expressed in WGS84 to CRS
QgsRectangle extent = crsTransform.transformBoundingBox( crs.bounds() );
// Calculate resolution based on scale denominator
resolution = POINTS_TO_M * minScale / QgsUnitTypes::fromUnitToUnitFactor( tmi.unit, QgsUnitTypes::DistanceMeters );
// Get numbers of column and row for the resolution to cover the extent
col = std::ceil( ( extent.xMaximum() - extent.xMinimum() ) / ( tileSize * resolution ) );
row = std::ceil( ( extent.yMaximum() - extent.yMinimum() ) / ( tileSize * resolution ) );
// Calculate extent
double bottom = fixedTop - row * tileSize * resolution;
double right = fixedLeft + col * tileSize * resolution;
tmi.extent = QgsRectangle( fixedLeft, bottom, right, fixedTop );
}
catch ( QgsCsException &cse )
{
Q_UNUSED( cse )
continue;
}
}
// get lastLevel
tmi.lastLevel = QVariant( config[4] ).toInt();
QList< tileMatrixDef > tileMatrixList;
for ( int i = 0; i <= tmi.lastLevel; ++i )
{
double scale = tmi.scaleDenominator / std::pow( 2, i );
double res = resolution / std::pow( 2, i );
tileMatrixDef tm;
tm.resolution = res;
tm.scaleDenominator = scale;
tm.col = col * std::pow( 2, i );
tm.row = row * std::pow( 2, i );
tm.left = fixedLeft;
tm.top = fixedTop;
tileMatrixList.append( tm );
}
tileMatrixSetDef tms;
tms.ref = tmi.ref;
tms.extent = tmi.extent;
tms.unit = tmi.unit;
tms.hasAxisInverted = tmi.hasAxisInverted;
tms.tileMatrixList = tileMatrixList;
tmsList.append( tms );
}
return tmsList;
}
double minScale = project->readNumEntry( QStringLiteral( "WMTSMinScale" ), QStringLiteral( "/" ), -1.0 );
if ( minScale == -1.0 )
{
minScale = getProjectMinScale( project );
}
QStringList crsList = QgsServerProjectUtils::wmsOutputCrsList( *project );
if ( !tms_ref.isEmpty() && !crsList.contains( tms_ref ) )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "TileMatrixSet is unknown" ) );
}
for ( const QString &crsStr : crsList )
{
if ( !tms_ref.isEmpty() && tms_ref != crsStr )
{
continue;
}
tileMatrixInfo tmi = calculateTileMatrixInfo( crsStr, project );
if ( tmi.scaleDenominator > 0.0 )
{
tmsList.append( calculateTileMatrixSet( tmi, minScale ) );
}
}
return tmsList;
}
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;
}
QgsFeatureRequest parseFilterElement( const QString &typeName, QDomElement &filterElem, const QgsProject *project )
{
QgsFeatureRequest request;
QDomNodeList fidNodes = filterElem.elementsByTagName( QStringLiteral( "FeatureId" ) );
QDomNodeList goidNodes = filterElem.elementsByTagName( QStringLiteral( "GmlObjectId" ) );
if ( !fidNodes.isEmpty() )
{
QgsFeatureIds fids;
QDomElement fidElem;
for ( int f = 0; f < fidNodes.size(); f++ )
{
fidElem = fidNodes.at( f ).toElement();
if ( !fidElem.hasAttribute( QStringLiteral( "fid" ) ) )
{
throw QgsRequestNotWellFormedException( "FeatureId element without fid attribute" );
}
QString fid = fidElem.attribute( QStringLiteral( "fid" ) );
if ( fid.contains( QLatin1String( "." ) ) )
{
if ( fid.section( QStringLiteral( "." ), 0, 0 ) != typeName )
continue;
fid = fid.section( QStringLiteral( "." ), 1, 1 );
}
fids.insert( fid.toInt() );
}
if ( !fids.isEmpty() )
{
request.setFilterFids( fids );
}
else
{
throw QgsRequestNotWellFormedException( QStringLiteral( "No FeatureId element correctly parse against typeName '%1'" ).arg( typeName ) );
}
request.setFlags( QgsFeatureRequest::NoFlags );
return request;
}
else if ( !goidNodes.isEmpty() )
{
QgsFeatureIds fids;
QDomElement goidElem;
for ( int f = 0; f < goidNodes.size(); f++ )
{
goidElem = goidNodes.at( f ).toElement();
if ( !goidElem.hasAttribute( QStringLiteral( "id" ) ) && !goidElem.hasAttribute( QStringLiteral( "gml:id" ) ) )
{
throw QgsRequestNotWellFormedException( "GmlObjectId element without gml:id attribute" );
}
QString fid = goidElem.attribute( QStringLiteral( "id" ) );
if ( fid.isEmpty() )
fid = goidElem.attribute( QStringLiteral( "gml:id" ) );
if ( fid.contains( QLatin1String( "." ) ) )
{
if ( fid.section( QStringLiteral( "." ), 0, 0 ) != typeName )
continue;
fid = fid.section( QStringLiteral( "." ), 1, 1 );
}
fids.insert( fid.toInt() );
}
if ( !fids.isEmpty() )
{
request.setFilterFids( fids );
}
else
{
throw QgsRequestNotWellFormedException( QStringLiteral( "No GmlObjectId element correctly parse against typeName '%1'" ).arg( typeName ) );
}
request.setFlags( QgsFeatureRequest::NoFlags );
return request;
}
else if ( filterElem.firstChildElement().tagName() == QLatin1String( "BBOX" ) )
{
QDomElement bboxElem = filterElem.firstChildElement();
QDomElement childElem = bboxElem.firstChildElement();
while ( !childElem.isNull() )
{
if ( childElem.tagName() == QLatin1String( "Box" ) )
{
request.setFilterRect( QgsOgcUtils::rectangleFromGMLBox( childElem ) );
}
else if ( childElem.tagName() != QLatin1String( "PropertyName" ) )
{
QgsGeometry geom = QgsOgcUtils::geometryFromGML( childElem );
request.setFilterRect( geom.boundingBox() );
}
childElem = childElem.nextSiblingElement();
}
request.setFlags( QgsFeatureRequest::ExactIntersect | QgsFeatureRequest::NoFlags );
return request;
}
// Apply BBOX through filterRect even inside an And to use spatial index
else if ( filterElem.firstChildElement().tagName() == QLatin1String( "And" ) &&
!filterElem.firstChildElement().firstChildElement( QLatin1String( "BBOX" ) ).isNull() )
{
QDomElement childElem = filterElem.firstChildElement().firstChildElement();
while ( !childElem.isNull() )
{
QDomElement childFilterElement = filterElem.ownerDocument().createElement( QLatin1String( "Filter" ) );
childFilterElement.appendChild( childElem.cloneNode( true ) );
QgsFeatureRequest childRequest = parseFilterElement( typeName, childFilterElement );
if ( childElem.tagName() == QLatin1String( "BBOX" ) )
{
if ( request.filterRect().isEmpty() )
{
request.setFilterRect( childRequest.filterRect() );
}
else
{
request.setFilterRect( request.filterRect().intersect( childRequest.filterRect() ) );
}
}
else
{
if ( !request.filterExpression() )
{
request.setFilterExpression( childRequest.filterExpression()->expression() );
}
else
{
QgsExpressionNode *opLeft = request.filterExpression()->rootNode()->clone();
QgsExpressionNode *opRight = childRequest.filterExpression()->rootNode()->clone();
std::unique_ptr<QgsExpressionNodeBinaryOperator> node = qgis::make_unique<QgsExpressionNodeBinaryOperator>( QgsExpressionNodeBinaryOperator::boAnd, opLeft, opRight );
QgsExpression expr( node->dump() );
request.setFilterExpression( expr );
}
}
childElem = childElem.nextSiblingElement();
}
request.setFlags( QgsFeatureRequest::ExactIntersect | QgsFeatureRequest::NoFlags );
return request;
}
else
{
QgsVectorLayer *layer = nullptr;
if ( project != nullptr )
{
layer = layerByTypeName( project, typeName );
}
std::shared_ptr<QgsExpression> filter( QgsOgcUtils::expressionFromOgcFilter( filterElem, layer ) );
if ( filter )
{
if ( filter->hasParserError() )
{
throw QgsRequestNotWellFormedException( filter->parserErrorString() );
}
if ( filter->needsGeometry() )
{
request.setFlags( QgsFeatureRequest::NoFlags );
}
request.setFilterExpression( filter->expression() );
return request;
}
}
return request;
}
