void QgsHttpRequestHandler::setGetMapResponse( const QString& service, QImage* img, int imageQuality = -1 )
{
Q_UNUSED( service );
QgsMessageLog::logMessage( "setting getmap response..." );
if ( img )
{
bool png16Bit = ( mFormatString.compare( "image/png; mode=16bit", Qt::CaseInsensitive ) == 0 );
bool png8Bit = ( mFormatString.compare( "image/png; mode=8bit", Qt::CaseInsensitive ) == 0 );
bool png1Bit = ( mFormatString.compare( "image/png; mode=1bit", Qt::CaseInsensitive ) == 0 );
bool isBase64 = mFormatString.endsWith( ";base64", Qt::CaseInsensitive );
if ( mFormat != "PNG" && mFormat != "JPG" && !png16Bit && !png8Bit && !png1Bit )
{
QgsMessageLog::logMessage( "service exception - incorrect image format requested..." );
setServiceException( QgsMapServiceException( "InvalidFormat", "Output format '" + mFormatString + "' is not supported in the GetMap request" ) );
return;
}
//store the image in a QByteArray and set it directly
QByteArray ba;
QBuffer buffer( &ba );
buffer.open( QIODevice::WriteOnly );
// Do not use imageQuality for PNG images
// For now, QImage expects quality to be a range 0-9 for PNG
if ( mFormat == "PNG" )
{
imageQuality = -1;
}
if ( png8Bit )
{
QVector<QRgb> colorTable;
medianCut( colorTable, 256, *img );
QImage palettedImg = img->convertToFormat( QImage::Format_Indexed8, colorTable, Qt::ColorOnly | Qt::ThresholdDither |
Qt::ThresholdAlphaDither | Qt::NoOpaqueDetection );
palettedImg.save( &buffer, "PNG", imageQuality );
}
else if ( png16Bit )
{
QImage palettedImg = img->convertToFormat( QImage::Format_ARGB4444_Premultiplied );
palettedImg.save( &buffer, "PNG", imageQuality );
}
else if ( png1Bit )
{
QImage palettedImg = img->convertToFormat( QImage::Format_Mono, Qt::MonoOnly | Qt::ThresholdDither |
Qt::ThresholdAlphaDither | Qt::NoOpaqueDetection );
palettedImg.save( &buffer, "PNG", imageQuality );
}
else
{
img->save( &buffer, mFormat.toUtf8().data(), imageQuality );
}
if ( isBase64 )
{
ba = ba.toBase64();
}
setHttpResponse( &ba, formatToMimeType( mFormat ) );
}
}
QDomDocument QgsSLDConfigParser::getStyle( const QString& styleName, const QString& layerName ) const
{
QDomElement userLayerElement = findUserLayerElement( layerName );
if ( userLayerElement.isNull() )
{
throw QgsMapServiceException( QStringLiteral( "LayerNotDefined" ), QStringLiteral( "Operation request is for a Layer not offered by the server." ) );
}
QDomElement userStyleElement = findUserStyleElement( userLayerElement, styleName );
if ( userStyleElement.isNull() )
{
throw QgsMapServiceException( QStringLiteral( "StyleNotDefined" ), QStringLiteral( "Operation request references a Style not offered by the server." ) );
}
QDomDocument styleDoc;
styleDoc.appendChild( styleDoc.importNode( userStyleElement, true ) );
return styleDoc;
}
QgsFeatureRenderer* QgsSLDConfigParser::rendererFromUserStyle( const QDomElement& userStyleElement, QgsVectorLayer* vec ) const
{
if ( !vec || userStyleElement.isNull() )
{
return nullptr;
}
QgsDebugMsg( "Entering" );
QString errorMessage;
QgsFeatureRenderer* renderer = QgsFeatureRenderer::loadSld( userStyleElement.parentNode(), vec->geometryType(), errorMessage );
if ( !renderer )
{
throw QgsMapServiceException( QStringLiteral( "SLD error" ), errorMessage );
}
return renderer;
}
void QgsGetRequestHandler::sendGetMapResponse( const QString& service, QImage* img ) const
{
if ( img )
{
if ( mFormat != "PNG" && mFormat != "JPG" )
{
sendServiceException( QgsMapServiceException( "InvalidFormat", "Output format '" + mFormat + "' is not supported in the GetMap request" ) );
return;
}
//store the image in a QByteArray and send it directly
QByteArray ba;
QBuffer buffer( &ba );
buffer.open( QIODevice::WriteOnly );
img->save( &buffer, mFormat.toLocal8Bit().data(), -1 );
sendHttpResponse( &ba, formatToMimeType( mFormat ) );
}
}
QDomDocument QgsSLDConfigParser::getStyles( QStringList& layerList ) const
{
QDomDocument styleDoc;
for ( int i = 0; i < layerList.size(); i++ )
{
QString layerName;
layerName = layerList.at( i );
QDomElement userLayerElement = findUserLayerElement( layerName );
if ( userLayerElement.isNull() )
{
throw QgsMapServiceException( QStringLiteral( "LayerNotDefined" ), QStringLiteral( "Operation request is for a Layer not offered by the server." ) );
}
QDomNodeList userStyleList = userLayerElement.elementsByTagName( QStringLiteral( "UserStyle" ) );
for ( int j = 0; j < userStyleList.size(); j++ )
{
QDomElement userStyleElement = userStyleList.item( i ).toElement();
styleDoc.appendChild( styleDoc.importNode( userStyleElement, true ) );
}
}
return styleDoc;
}
void QgsSOAPRequestHandler::parseInput()
{
QString inputString = readPostBody();
//QgsDebugMsg("input string is: " + inputString)
//inputString to QDomDocument
QDomDocument inputXML;
QString errorMsg;
if ( !inputXML.setContent( inputString, true, &errorMsg ) )
{
QgsDebugMsg( "soap request parse error" );
QgsDebugMsg( "error message: " + errorMsg );
QgsDebugMsg( "the xml string was:" );
QgsDebugMsg( inputString );
throw QgsMapServiceException( "InvalidXML", "XML error: " + errorMsg );
}
// if xml reading was successfull, save the inputXML in a file
QFile soapFile;
QTextStream soapStream;
//go through soap envelope->soap body, search for either GetCapabilities or GetMap
QDomNodeList envelopeNodeList = inputXML.elementsByTagNameNS( "http://schemas.xmlsoap.org/soap/envelope/", "Envelope" );
if ( envelopeNodeList.size() < 1 )
{
QgsDebugMsg( "Envelope element not found" );
throw QgsMapServiceException( "SOAPError", "Element <Envelope> not found" );
}
QDomNodeList bodyNodeList = envelopeNodeList.item( 0 ).toElement().elementsByTagNameNS( "http://schemas.xmlsoap.org/soap/envelope/", "Body" );
if ( bodyNodeList.size() < 1 )
{
QgsDebugMsg( "body node not found" );
throw QgsMapServiceException( "SOAPError", "Element <Body> not found" );
}
QDomElement bodyElement = bodyNodeList.item( 0 ).toElement();
QDomElement firstChildElement = bodyElement.firstChild().toElement();
QString serviceString = firstChildElement.attribute( "service" );
if ( serviceString == "MS" )
{
QgsDebugMsg( "service = MS " );
mParameterMap.insert( "SERVICE", "MS" );
mService = "MS";
}
else if ( serviceString == "WMS" )
{
mParameterMap.insert( "SERVICE", "WMS" );
mService = "WMS";
}
else if ( serviceString == "MDS" )
{
mParameterMap.insert( "SERVICE", "MDS" );
mService = "MDS";
}
else if ( serviceString == "MAS" )
{
mParameterMap.insert( "SERVICE", "MAS" );
mService = "MAS";
}
else
{
mParameterMap.insert( "SERVICE", "DISCOVERY" );
mService = "DISCOVERY";
}
//GetCapabilities request
//if(firstChildElement.localName().compare("getCapabilities", Qt::CaseInsensitive) == 0)
if ( firstChildElement.localName() == "GetCapabilities" || firstChildElement.localName() == "getCapabilities" )
{
mParameterMap.insert( "REQUEST", "GetCapabilities" );
}
//GetMap request
//else if(firstChildElement.tagName().compare("getMap",Qt::CaseInsensitive) == 0)
else if ( firstChildElement.localName() == "GetMap" || firstChildElement.localName() == "getMap" )
{
mParameterMap.insert( "REQUEST", "GetMap" );
parseGetMapElement( mParameterMap, firstChildElement );
}
//GetDiagram request
//else if(firstChildElement.tagName().compare("getDiagram", Qt::CaseInsensitive) == 0)
else if ( firstChildElement.localName() == "GetDiagram" )
{
mParameterMap.insert( "REQUEST", "GetDiagram" );
parseGetMapElement( mParameterMap, firstChildElement ); //reuse the method for GetMap
}
//GetFeatureInfo request
else if ( firstChildElement.localName() == "GetFeatureInfo" )
{
mParameterMap.insert( "REQUEST", "GetFeatureInfo" );
parseGetFeatureInfoElement( mParameterMap, firstChildElement );
}
//set mFormat
QString formatString = mParameterMap.value( "FORMAT" );
if ( !formatString.isEmpty() )
{
//remove the image/ in front of the format
if ( formatString == "image/jpeg" || formatString == "JPG" || formatString == "jpg" )
{
formatString = "JPG";
}
else if ( formatString == "image/png" || formatString == "PNG" || formatString == "png" )
{
formatString = "PNG";
}
else if ( formatString == "image/gif" || formatString == "GIF" || formatString == "gif" )
{
formatString = "GIF";
}
else
{
throw QgsMapServiceException( "InvalidFormat", "Invalid format " + formatString + ", only jpg and png are supported" );
}
mFormat = formatString;
}
}
void QgsWCSServer::executeRequest()
{
//request type
QString request = mParameters.value( "REQUEST" );
if ( request.isEmpty() )
{
//do some error handling
QgsDebugMsg( "unable to find 'REQUEST' parameter, exiting..." );
mRequestHandler->setServiceException( QgsMapServiceException( "OperationNotSupported", "Please check the value of the REQUEST parameter" ) );
return;
}
if ( request.compare( "GetCapabilities", Qt::CaseInsensitive ) == 0 )
{
QDomDocument capabilitiesDocument;
try
{
capabilitiesDocument = getCapabilities();
}
catch ( QgsMapServiceException& ex )
{
mRequestHandler->setServiceException( ex );
return;
}
QgsDebugMsg( "seting GetCapabilities response" );
mRequestHandler->setGetCapabilitiesResponse( capabilitiesDocument );
return;
}
else if ( request.compare( "DescribeCoverage", Qt::CaseInsensitive ) == 0 )
{
QDomDocument describeDocument;
try
{
describeDocument = describeCoverage();
}
catch ( QgsMapServiceException& ex )
{
mRequestHandler->setServiceException( ex );
return;
}
QgsDebugMsg( "seting GetCapabilities response" );
mRequestHandler->setGetCapabilitiesResponse( describeDocument );
return;
}
else if ( request.compare( "GetCoverage", Qt::CaseInsensitive ) == 0 )
{
QByteArray* coverageOutput;
try
{
coverageOutput = getCoverage();
}
catch ( QgsMapServiceException& ex )
{
mRequestHandler->setServiceException( ex );
return;
}
if ( coverageOutput )
{
mRequestHandler->setGetCoverageResponse( coverageOutput );
}
return;
}
}
QByteArray* QgsWCSServer::getCoverage()
{
QStringList wcsLayersId = mConfigParser->wcsLayers();
QList<QgsMapLayer*> layerList;
QStringList mErrors = QStringList();
//defining coverage name
QString coveName = "";
//read COVERAGE
QMap<QString, QString>::const_iterator cove_name_it = mParameters.find( "COVERAGE" );
if ( cove_name_it != mParameters.end() )
{
coveName = cove_name_it.value();
}
if ( coveName == "" )
{
QMap<QString, QString>::const_iterator cove_name_it = mParameters.find( "IDENTIFIER" );
if ( cove_name_it != mParameters.end() )
{
coveName = cove_name_it.value();
}
}
if ( coveName == "" )
{
mErrors << QString( "COVERAGE is mandatory" );
}
layerList = mConfigParser->mapLayerFromCoverage( coveName );
if ( layerList.size() < 1 )
{
mErrors << QString( "The layer for the COVERAGE '%1' is not found" ).arg( coveName );
}
bool conversionSuccess;
// BBOX
bool bboxOk = false;
double minx = 0.0, miny = 0.0, maxx = 0.0, maxy = 0.0;
// WIDTh and HEIGHT
int width = 0, height = 0;
// CRS
QString crs = "";
// read BBOX
QMap<QString, QString>::const_iterator bbIt = mParameters.find( "BBOX" );
if ( bbIt == mParameters.end() )
{
minx = 0; miny = 0; maxx = 0; maxy = 0;
}
else
{
bboxOk = true;
QString bbString = bbIt.value();
minx = bbString.section( ",", 0, 0 ).toDouble( &conversionSuccess );
if ( !conversionSuccess ) {bboxOk = false;}
miny = bbString.section( ",", 1, 1 ).toDouble( &conversionSuccess );
if ( !conversionSuccess ) {bboxOk = false;}
maxx = bbString.section( ",", 2, 2 ).toDouble( &conversionSuccess );
if ( !conversionSuccess ) {bboxOk = false;}
maxy = bbString.section( ",", 3, 3 ).toDouble( &conversionSuccess );
if ( !conversionSuccess ) {bboxOk = false;}
}
if ( !bboxOk )
{
mErrors << QString( "The BBOX is mandatory and has to be xx.xxx,yy.yyy,xx.xxx,yy.yyy" );
}
// read WIDTH
width = mParameters.value( "WIDTH", "0" ).toInt( &conversionSuccess );
if ( !conversionSuccess )
width = 0;
// read HEIGHT
height = mParameters.value( "HEIGHT", "0" ).toInt( &conversionSuccess );
if ( !conversionSuccess )
{
height = 0;
}
if ( width < 0 || height < 0 )
{
mErrors << QString( "The WIDTH and HEIGHT are mandatory and have to be integer" );
}
crs = mParameters.value( "CRS", "" );
if ( crs == "" )
{
mErrors << QString( "The CRS is mandatory" );
}
if ( mErrors.count() != 0 )
{
throw QgsMapServiceException( "RequestNotWellFormed", mErrors.join( ". " ) );
}
QgsCoordinateReferenceSystem requestCRS = QgsCRSCache::instance()->crsByAuthId( crs );
if ( !requestCRS.isValid() )
{
mErrors << QString( "Could not create request CRS" );
throw QgsMapServiceException( "RequestNotWellFormed", mErrors.join( ". " ) );
}
QgsRectangle rect( minx, miny, maxx, maxy );
QgsMapLayer* layer = layerList.at( 0 );
QgsRasterLayer* rLayer = dynamic_cast<QgsRasterLayer*>( layer );
if ( rLayer && wcsLayersId.contains( rLayer->id() ) )
{
// RESPONSE_CRS
QgsCoordinateReferenceSystem responseCRS = rLayer->crs();
crs = mParameters.value( "RESPONSE_CRS", "" );
if ( crs != "" )
{
responseCRS = QgsCRSCache::instance()->crsByAuthId( crs );
if ( !responseCRS.isValid() )
{
responseCRS = rLayer->crs();
}
}
// transform rect
if ( requestCRS != rLayer->crs() )
{
QgsCoordinateTransform t( requestCRS, rLayer->crs() );
rect = t.transformBoundingBox( rect );
}
QTemporaryFile tempFile;
tempFile.open();
QgsRasterFileWriter fileWriter( tempFile.fileName() );
// clone pipe/provider
QgsRasterPipe* pipe = new QgsRasterPipe();
if ( !pipe->set( rLayer->dataProvider()->clone() ) )
{
mErrors << QString( "Cannot set pipe provider" );
throw QgsMapServiceException( "RequestNotWellFormed", mErrors.join( ". " ) );
}
// add projector if necessary
if ( responseCRS != rLayer->crs() )
{
QgsRasterProjector * projector = new QgsRasterProjector;
projector->setCRS( rLayer->crs(), responseCRS );
if ( !pipe->insert( 2, projector ) )
{
mErrors << QString( "Cannot set pipe projector" );
throw QgsMapServiceException( "RequestNotWellFormed", mErrors.join( ". " ) );
}
}
QgsRasterFileWriter::WriterError err = fileWriter.writeRaster( pipe, width, height, rect, responseCRS );
if ( err != QgsRasterFileWriter::NoError )
{
mErrors << QString( "Cannot write raster error code: %1" ).arg( err );
throw QgsMapServiceException( "RequestNotWellFormed", mErrors.join( ". " ) );
}
delete pipe;
QByteArray* ba = 0;
ba = new QByteArray();
*ba = tempFile.readAll();
return ba;
}
return 0;
}
QgsComposition* QgsProjectParser::initComposition( const QString& composerTemplate, QgsMapRenderer* mapRenderer, QList< QgsComposerMap*>& mapList, QList< QgsComposerLabel* >& labelList ) const
{
//Create composition from xml
QDomElement composerElem = composerByName( composerTemplate );
if ( composerElem.isNull() )
{
throw QgsMapServiceException( "Error", "Composer template not found" );
}
QDomElement compositionElem = composerElem.firstChildElement( "Composition" );
if ( compositionElem.isNull() )
{
return 0;
}
QgsComposition* composition = new QgsComposition( mapRenderer ); //set resolution, paper size from composer element attributes
if ( !composition->readXML( compositionElem, *mXMLDoc ) )
{
delete composition;
return 0;
}
//go through all the item elements and add them to the composition (and to the lists)
QDomNodeList itemNodes = composerElem.childNodes();
for ( int i = 0; i < itemNodes.size(); ++i )
{
QDomElement currentElem = itemNodes.at( i ).toElement();
QString elemName = currentElem.tagName();
if ( elemName == "ComposerMap" )
{
QgsComposerMap* map = new QgsComposerMap( composition );
map->readXML( currentElem, *mXMLDoc );
composition->addItem( map );
mapList.push_back( map );
}
else if ( elemName == "ComposerLabel" )
{
QgsComposerLabel* label = new QgsComposerLabel( composition );
label->readXML( currentElem, *mXMLDoc );
composition->addItem( label );
labelList.push_back( label );
}
else if ( elemName == "ComposerLegend" )
{
//legend needs to be loaded indirectly to have generic content
//and to avoid usage of x-server with pixmap icons
//read full legend from xml
QgsComposerLegend* legend = new QgsComposerLegend( composition );
legend->readXML( currentElem, *mXMLDoc );
//dynamic legend (would be interesting in case of layers dynamically defined in SLD)
//legend->_readXML( currentElem.firstChildElement( "ComposerItem" ), *mXMLDoc );
//legend->updateLegend();
composition->addItem( legend );
}
else if ( elemName == "ComposerShape" )
{
QgsComposerShape* shape = new QgsComposerShape( composition );
shape->readXML( currentElem, *mXMLDoc );
composition->addItem( shape );
}
else if ( elemName == "ComposerArrow" )
{
QgsComposerArrow* arrow = new QgsComposerArrow( composition );
arrow->readXML( currentElem, *mXMLDoc );
composition->addItem( arrow );
}
else if ( elemName == "ComposerAttributeTable" )
{
QgsComposerAttributeTable* table = new QgsComposerAttributeTable( composition );
table->readXML( currentElem, *mXMLDoc );
composition->addItem( table );
}
}
//scalebars and pictures need to be loaded after the maps to receive the correct size / rotation
for ( int i = 0; i < itemNodes.size(); ++i )
{
QDomElement currentElem = itemNodes.at( i ).toElement();
QString elemName = currentElem.tagName();
if ( elemName == "ComposerPicture" )
{
QgsComposerPicture* picture = new QgsComposerPicture( composition );
picture->readXML( currentElem, *mXMLDoc );
//qgis mapserver needs an absolute file path
picture->setPictureFile( convertToAbsolutePath( picture->pictureFile() ) );
composition->addItem( picture );
}
else if ( elemName == "ComposerScaleBar" )
{
QgsComposerScaleBar* bar = new QgsComposerScaleBar( composition );
bar->readXML( currentElem, *mXMLDoc );
composition->addItem( bar );
}
}
return composition;
}
void QgsHttpRequestHandler::setGetFeatureInfoResponse( const QDomDocument& infoDoc, const QString& infoFormat )
{
QByteArray ba;
QgsMessageLog::logMessage( "Info format is:" + infoFormat );
if ( infoFormat == "text/xml" || infoFormat.startsWith( "application/vnd.ogc.gml" ) )
{
ba = infoDoc.toByteArray();
}
else if ( infoFormat == "text/plain" || infoFormat == "text/html" )
{
//create string
QString featureInfoString;
if ( infoFormat == "text/plain" )
{
featureInfoString.append( "GetFeatureInfo results\n" );
featureInfoString.append( "\n" );
}
else if ( infoFormat == "text/html" )
{
featureInfoString.append( "<HEAD>\n" );
featureInfoString.append( "<TITLE> GetFeatureInfo results </TITLE>\n" );
featureInfoString.append( "<meta http-equiv=\"Content-Type\" content=\"text/html;charset=utf-8\">\n" );
featureInfoString.append( "</HEAD>\n" );
featureInfoString.append( "<BODY>\n" );
}
QDomNodeList layerList = infoDoc.elementsByTagName( "Layer" );
//layer loop
for ( int i = 0; i < layerList.size(); ++i )
{
QDomElement layerElem = layerList.at( i ).toElement();
if ( infoFormat == "text/plain" )
{
featureInfoString.append( "Layer '" + layerElem.attribute( "name" ) + "'\n" );
}
else if ( infoFormat == "text/html" )
{
featureInfoString.append( "<TABLE border=1 width=100%>\n" );
featureInfoString.append( "<TR><TH width=25%>Layer</TH><TD>" + layerElem.attribute( "name" ) + "</TD></TR>\n" );
featureInfoString.append( "</BR>" );
}
//feature loop (for vector layers)
QDomNodeList featureNodeList = layerElem.elementsByTagName( "Feature" );
QDomElement currentFeatureElement;
if ( featureNodeList.size() < 1 ) //raster layer?
{
QDomNodeList attributeNodeList = layerElem.elementsByTagName( "Attribute" );
for ( int j = 0; j < attributeNodeList.size(); ++j )
{
QDomElement attributeElement = attributeNodeList.at( j ).toElement();
if ( infoFormat == "text/plain" )
{
featureInfoString.append( attributeElement.attribute( "name" ) + " = '" +
attributeElement.attribute( "value" ) + "'\n" );
}
else if ( infoFormat == "text/html" )
{
featureInfoString.append( "<TR><TH>" + attributeElement.attribute( "name" ) + "</TH><TD>" +
attributeElement.attribute( "value" ) + "</TD></TR>\n" );
}
}
}
else //vector layer
{
for ( int j = 0; j < featureNodeList.size(); ++j )
{
QDomElement featureElement = featureNodeList.at( j ).toElement();
if ( infoFormat == "text/plain" )
{
featureInfoString.append( "Feature " + featureElement.attribute( "id" ) + "\n" );
}
else if ( infoFormat == "text/html" )
{
featureInfoString.append( "<TABLE border=1 width=100%>\n" );
featureInfoString.append( "<TR><TH>Feature</TH><TD>" + featureElement.attribute( "id" ) + "</TD></TR>\n" );
}
//attribute loop
QDomNodeList attributeNodeList = featureElement.elementsByTagName( "Attribute" );
for ( int k = 0; k < attributeNodeList.size(); ++k )
{
QDomElement attributeElement = attributeNodeList.at( k ).toElement();
if ( infoFormat == "text/plain" )
{
featureInfoString.append( attributeElement.attribute( "name" ) + " = '" +
attributeElement.attribute( "value" ) + "'\n" );
}
else if ( infoFormat == "text/html" )
{
featureInfoString.append( "<TR><TH>" + attributeElement.attribute( "name" ) + "</TH><TD>" + attributeElement.attribute( "value" ) + "</TD></TR>\n" );
}
}
if ( infoFormat == "text/html" )
{
featureInfoString.append( "</TABLE>\n</BR>\n" );
}
}
}
if ( infoFormat == "text/plain" )
{
featureInfoString.append( "\n" );
}
else if ( infoFormat == "text/html" )
{
featureInfoString.append( "</TABLE>\n<BR></BR>\n" );
}
}
if ( infoFormat == "text/html" )
{
featureInfoString.append( "</BODY>\n" );
}
ba = featureInfoString.toUtf8();
}
else //unsupported format, set exception
{
setServiceException( QgsMapServiceException( "InvalidFormat", "Feature info format '" + mFormat + "' is not supported. Possibilities are 'text/plain', 'text/html' or 'text/xml'." ) );
return;
}
setHttpResponse( &ba, infoFormat );
}
/**
* @brief Handles the request
* @param queryString
* @return response headers and body
*/
QPair<QByteArray, QByteArray> QgsServer::handleRequest( const QString& queryString )
{
// Run init if handleRequest was called without previously initialising
// the server
if ( ! mInitialised )
{
init();
}
/*
* This is mainly for python bindings, passing QUERY_STRING
* to handleRequest without using os.environment
*/
if ( ! queryString.isEmpty() )
putenv( "QUERY_STRING", queryString );
int logLevel = QgsServerLogger::instance()->logLevel();
QTime time; //used for measuring request time if loglevel < 1
QgsMapLayerRegistry::instance()->removeAllMapLayers();
mQgsApplication->processEvents();
if ( logLevel < 1 )
{
time.start();
printRequestInfos();
}
//Request handler
QScopedPointer<QgsRequestHandler> theRequestHandler( createRequestHandler( mCaptureOutput ) );
try
{
// TODO: split parse input into plain parse and processing from specific services
theRequestHandler->parseInput();
}
catch ( QgsMapServiceException& e )
{
QgsMessageLog::logMessage( "Parse input exception: " + e.message(), "Server", QgsMessageLog::CRITICAL );
theRequestHandler->setServiceException( e );
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
// Set the request handler into the interface for plugins to manipulate it
mServerInterface->setRequestHandler( theRequestHandler.data() );
// Iterate filters and call their requestReady() method
QgsServerFiltersMap::const_iterator filtersIterator;
QgsServerFiltersMap filters = mServerInterface->filters();
for ( filtersIterator = filters.constBegin(); filtersIterator != filters.constEnd(); ++filtersIterator )
{
filtersIterator.value()->requestReady();
}
//Pass the filters to the requestHandler, this is needed for the following reasons:
// 1. allow core services to access plugin filters and implement thir own plugin hooks
// 2. allow requestHandler to call sendResponse plugin hook
theRequestHandler->setPluginFilters( mServerInterface->filters() );
#endif
// Copy the parameters map
QMap<QString, QString> parameterMap( theRequestHandler->parameterMap() );
#ifdef HAVE_SERVER_PYTHON_PLUGINS
const QgsAccessControl* accessControl = nullptr;
accessControl = mServerInterface->accessControls();
#endif
printRequestParameters( parameterMap, logLevel );
QMap<QString, QString>::const_iterator paramIt;
//Config file path
QString configFilePath = configPath( mConfigFilePath, parameterMap );
#ifdef HAVE_SERVER_PYTHON_PLUGINS
mServerInterface->setConfigFilePath( configFilePath );
#endif
//Service parameter
QString serviceString = theRequestHandler->parameter( "SERVICE" );
if ( serviceString.isEmpty() )
{
// SERVICE not mandatory for WMS 1.3.0 GetMap & GetFeatureInfo
QString requestString = theRequestHandler->parameter( "REQUEST" );
if ( requestString == "GetMap" || requestString == "GetFeatureInfo" )
{
serviceString = "WMS";
}
}
//possibility for client to suggest a download filename
QString outputFileName = theRequestHandler->parameter( "FILE_NAME" );
if ( !outputFileName.isEmpty() )
{
theRequestHandler->setDefaultHeaders();
theRequestHandler->setHeader( "Content-Disposition", "attachment; filename=\"" + outputFileName + "\"" );
}
// Enter core services main switch
if ( !theRequestHandler->exceptionRaised() )
{
if ( serviceString == "WCS" )
{
QgsWCSProjectParser* p = QgsConfigCache::instance()->wcsConfiguration(
configFilePath
#ifdef HAVE_SERVER_PYTHON_PLUGINS
, accessControl
#endif
);
if ( !p )
{
theRequestHandler->setServiceException( QgsMapServiceException( "Project file error", QString( "Error reading the project file: %1" ).arg( configFilePath ) ) );
}
else
{
QgsWCSServer wcsServer(
configFilePath
, parameterMap
, p
, theRequestHandler.data()
#ifdef HAVE_SERVER_PYTHON_PLUGINS
, accessControl
#endif
);
wcsServer.executeRequest();
}
}
else if ( serviceString == "WFS" )
{
QgsWFSProjectParser* p = QgsConfigCache::instance()->wfsConfiguration(
configFilePath
#ifdef HAVE_SERVER_PYTHON_PLUGINS
, accessControl
#endif
);
if ( !p )
{
theRequestHandler->setServiceException( QgsMapServiceException( "Project file error", QString( "Error reading the project file: %1" ).arg( configFilePath ) ) );
}
else
{
QgsWFSServer wfsServer(
configFilePath
, parameterMap
, p
, theRequestHandler.data()
#ifdef HAVE_SERVER_PYTHON_PLUGINS
, accessControl
#endif
);
wfsServer.executeRequest();
}
}
else if ( serviceString == "WMS" )
{
QgsWMSConfigParser* p = QgsConfigCache::instance()->wmsConfiguration(
configFilePath
#ifdef HAVE_SERVER_PYTHON_PLUGINS
, accessControl
#endif
);
if ( !p )
{
theRequestHandler->setServiceException( QgsMapServiceException( "WMS configuration error", "There was an error reading the project file or the SLD configuration" ) );
}
else
{
QgsWMSServer wmsServer(
configFilePath
, parameterMap
, p
, theRequestHandler.data()
, mMapRenderer
, mCapabilitiesCache
#ifdef HAVE_SERVER_PYTHON_PLUGINS
, accessControl
#endif
);
wmsServer.executeRequest();
}
}
else
{
theRequestHandler->setServiceException( QgsMapServiceException( "Service configuration error", "Service unknown or unsupported" ) );
} // end switch
} // end if not exception raised
#ifdef HAVE_SERVER_PYTHON_PLUGINS
// Iterate filters and call their responseComplete() method
filters = mServerInterface->filters();
for ( filtersIterator = filters.constBegin(); filtersIterator != filters.constEnd(); ++filtersIterator )
{
filtersIterator.value()->responseComplete();
}
// We are done using theRequestHandler in plugins, make sure we don't access
// to a deleted request handler from Python bindings
mServerInterface->clearRequestHandler();
#endif
theRequestHandler->sendResponse();
if ( logLevel < 1 )
{
QgsMessageLog::logMessage( "Request finished in " + QString::number( time.elapsed() ) + " ms", "Server", QgsMessageLog::INFO );
}
// Returns the header and response bytestreams (to be used in Python bindings)
return theRequestHandler->getResponse();
}
int main( int argc, char * argv[] )
{
#ifndef _MSC_VER
qInstallMsgHandler( dummyMessageHandler );
#endif
QString optionsPath = getenv( "QGIS_OPTIONS_PATH" );
if ( !optionsPath.isEmpty() )
{
QgsDebugMsg( "Options PATH: " + optionsPath );
QSettings::setDefaultFormat( QSettings::IniFormat );
QSettings::setPath( QSettings::IniFormat, QSettings::UserScope, optionsPath );
}
QgsApplication qgsapp( argc, argv, getenv( "DISPLAY" ) );
QCoreApplication::setOrganizationName( QgsApplication::QGIS_ORGANIZATION_NAME );
QCoreApplication::setOrganizationDomain( QgsApplication::QGIS_ORGANIZATION_DOMAIN );
QCoreApplication::setApplicationName( QgsApplication::QGIS_APPLICATION_NAME );
//Default prefix path may be altered by environment variable
QgsApplication::init();
#if !defined(Q_OS_WIN)
// init QGIS's paths - true means that all path will be inited from prefix
QgsApplication::setPrefixPath( CMAKE_INSTALL_PREFIX, TRUE );
#endif
#if defined(SERVER_SKIP_ECW)
QgsDebugMsg( "Skipping GDAL ECW drivers in server." );
QgsApplication::skipGdalDriver( "ECW" );
QgsApplication::skipGdalDriver( "JP2ECW" );
#endif
setupNetworkAccessManager();
QDomImplementation::setInvalidDataPolicy( QDomImplementation::DropInvalidChars );
// Instantiate the plugin directory so that providers are loaded
QgsProviderRegistry::instance( QgsApplication::pluginPath() );
QgsDebugMsg( "Prefix PATH: " + QgsApplication::prefixPath() );
QgsDebugMsg( "Plugin PATH: " + QgsApplication::pluginPath() );
QgsDebugMsg( "PkgData PATH: " + QgsApplication::pkgDataPath() );
QgsDebugMsg( "User DB PATH: " + QgsApplication::qgisUserDbFilePath() );
QgsDebugMsg( "SVG PATHS: " + QgsApplication::svgPaths().join( ":" ) );
QgsApplication::createDB(); //init qgis.db (e.g. necessary for user crs)
QString defaultConfigFilePath;
QFileInfo projectFileInfo = defaultProjectFile(); //try to find a .qgs file in the server directory
if ( projectFileInfo.exists() )
{
defaultConfigFilePath = projectFileInfo.absoluteFilePath();
QgsDebugMsg( "Using default project file: " + defaultConfigFilePath );
}
else
{
QFileInfo adminSLDFileInfo = defaultAdminSLD();
if ( adminSLDFileInfo.exists() )
{
defaultConfigFilePath = adminSLDFileInfo.absoluteFilePath();
}
}
//create cache for capabilities XML
QgsCapabilitiesCache capabilitiesCache;
//creating QgsMapRenderer is expensive (access to srs.db), so we do it here before the fcgi loop
QScopedPointer< QgsMapRenderer > theMapRenderer( new QgsMapRenderer );
theMapRenderer->setLabelingEngine( new QgsPalLabeling() );
#ifdef QGSMSDEBUG
QgsFontUtils::loadStandardTestFonts( QStringList() << "Roman" << "Bold" );
#endif
int logLevel = QgsServerLogger::instance()->logLevel();
QTime time; //used for measuring request time if loglevel < 1
#ifdef HAVE_SERVER_PYTHON_PLUGINS
// Create the interface
QgsServerInterfaceImpl serverIface( &capabilitiesCache );
// Init plugins
if ( ! QgsServerPlugins::initPlugins( &serverIface ) )
{
QgsMessageLog::logMessage( "No server python plugins are available", "Server", QgsMessageLog::INFO );
}
else
{
QgsMessageLog::logMessage( "Server python plugins loaded", "Server", QgsMessageLog::INFO );
}
// Store plugin filters for faster access
QMultiMap<int, QgsServerFilter*> pluginFilters = serverIface.filters();
#endif
QgsEditorWidgetRegistry::initEditors();
while ( fcgi_accept() >= 0 )
{
QgsMapLayerRegistry::instance()->removeAllMapLayers();
qgsapp.processEvents();
if ( logLevel < 1 )
{
time.start();
printRequestInfos();
}
//Request handler
QScopedPointer<QgsRequestHandler> theRequestHandler( createRequestHandler() );
try
{
// TODO: split parse input into plain parse and processing from specific services
theRequestHandler->parseInput();
}
catch ( QgsMapServiceException& e )
{
QgsMessageLog::logMessage( "Parse input exception: " + e.message(), "Server", QgsMessageLog::CRITICAL );
theRequestHandler->setServiceException( e );
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
// Set the request handler into the interface for plugins to manipulate it
serverIface.setRequestHandler( theRequestHandler.data() );
// Iterate filters and call their requestReady() method
QgsServerFiltersMap::const_iterator filtersIterator;
for ( filtersIterator = pluginFilters.constBegin(); filtersIterator != pluginFilters.constEnd(); ++filtersIterator )
{
filtersIterator.value()->requestReady();
}
//Pass the filters to the requestHandler, this is needed for the following reasons:
// 1. allow core services to access plugin filters and implement thir own plugin hooks
// 2. allow requestHandler to call sendResponse plugin hook
//TODO: implement this in the requestHandler ctor (far easier if we will get rid of
// HAVE_SERVER_PYTHON_PLUGINS
theRequestHandler->setPluginFilters( pluginFilters );
#endif
// Copy the parameters map
QMap<QString, QString> parameterMap( theRequestHandler->parameterMap() );
printRequestParameters( parameterMap, logLevel );
QMap<QString, QString>::const_iterator paramIt;
//Config file path
QString configFilePath = configPath( defaultConfigFilePath, parameterMap );
//Service parameter
QString serviceString = theRequestHandler->parameter( "SERVICE" );
if ( serviceString.isEmpty() )
{
// SERVICE not mandatory for WMS 1.3.0 GetMap & GetFeatureInfo
QString requestString = theRequestHandler->parameter( "REQUEST" );
if ( requestString == "GetMap" || requestString == "GetFeatureInfo" )
{
serviceString = "WMS";
}
}
// Enter core services main switch
if ( !theRequestHandler->exceptionRaised() )
{
if ( serviceString == "WCS" )
{
QgsWCSProjectParser* p = QgsConfigCache::instance()->wcsConfiguration( configFilePath );
if ( !p )
{
theRequestHandler->setServiceException( QgsMapServiceException( "Project file error", "Error reading the project file" ) );
}
else
{
QgsWCSServer wcsServer( configFilePath, parameterMap, p, theRequestHandler.data() );
wcsServer.executeRequest();
}
}
else if ( serviceString == "WFS" )
{
QgsWFSProjectParser* p = QgsConfigCache::instance()->wfsConfiguration( configFilePath );
if ( !p )
{
theRequestHandler->setServiceException( QgsMapServiceException( "Project file error", "Error reading the project file" ) );
}
else
{
QgsWFSServer wfsServer( configFilePath, parameterMap, p, theRequestHandler.data() );
wfsServer.executeRequest();
}
}
else if ( serviceString == "WMS" )
{
QgsWMSConfigParser* p = QgsConfigCache::instance()->wmsConfiguration( configFilePath, parameterMap );
if ( !p )
{
theRequestHandler->setServiceException( QgsMapServiceException( "WMS configuration error", "There was an error reading the project file or the SLD configuration" ) );
}
else
{
QgsWMSServer wmsServer( configFilePath, parameterMap, p, theRequestHandler.data(), theMapRenderer.data(), &capabilitiesCache );
wmsServer.executeRequest();
}
}
else
{
theRequestHandler->setServiceException( QgsMapServiceException( "Service configuration error", "Service unknown or unsupported" ) );
} // end switch
} // end if not exception raised
#ifdef HAVE_SERVER_PYTHON_PLUGINS
// Iterate filters and call their responseComplete() method
for ( filtersIterator = pluginFilters.constBegin(); filtersIterator != pluginFilters.constEnd(); ++filtersIterator )
{
filtersIterator.value()->responseComplete();
}
#endif
theRequestHandler->sendResponse();
if ( logLevel < 1 )
{
QgsMessageLog::logMessage( "Request finished in " + QString::number( time.elapsed() ) + " ms", "Server", QgsMessageLog::INFO );
}
}
return 0;
}
int main( int argc, char * argv[] )
{
#ifndef _MSC_VER
qInstallMsgHandler( dummyMessageHandler );
#endif
QgsApplication qgsapp( argc, argv, false );
//Default prefix path may be altered by environment variable
char* prefixPath = getenv( "QGIS_PREFIX_PATH" );
if ( prefixPath )
{
QgsApplication::setPrefixPath( prefixPath, TRUE );
}
#if !defined(Q_OS_WIN)
else
{
// init QGIS's paths - true means that all path will be inited from prefix
QgsApplication::setPrefixPath( CMAKE_INSTALL_PREFIX, TRUE );
}
#endif
// Instantiate the plugin directory so that providers are loaded
QgsProviderRegistry::instance( QgsApplication::pluginPath() );
QgsDebugMsg( "Prefix PATH: " + QgsApplication::prefixPath() );
QgsDebugMsg( "Plugin PATH: " + QgsApplication::pluginPath() );
QgsDebugMsg( "PkgData PATH: " + QgsApplication::pkgDataPath() );
QgsDebugMsg( "User DB PATH: " + QgsApplication::qgisUserDbFilePath() );
QgsDebugMsg( qgsapp.applicationDirPath() + "/qgis_wms_server.log" );
//create config cache and search for config files in the current directory.
//These configurations are used if no mapfile parameter is present in the request
QString defaultConfigFilePath;
QFileInfo projectFileInfo = defaultProjectFile(); //try to find a .qgs file in the server directory
if ( projectFileInfo.exists() )
{
defaultConfigFilePath = projectFileInfo.absoluteFilePath();
}
else
{
QFileInfo adminSLDFileInfo = defaultAdminSLD();
if ( adminSLDFileInfo.exists() )
{
defaultConfigFilePath = adminSLDFileInfo.absoluteFilePath();
}
}
//create cache for capabilities XML
QgsCapabilitiesCache capabilitiesCache;
//creating QgsMapRenderer is expensive (access to srs.db), so we do it here before the fcgi loop
QgsMapRenderer* theMapRenderer = new QgsMapRenderer();
while ( fcgi_accept() >= 0 )
{
printRequestInfos(); //print request infos if in debug mode
//use QgsGetRequestHandler in case of HTTP GET and QgsSOAPRequestHandler in case of HTTP POST
QgsRequestHandler* theRequestHandler = 0;
char* requestMethod = getenv( "REQUEST_METHOD" );
if ( requestMethod != NULL )
{
if ( strcmp( requestMethod, "POST" ) == 0 )
{
//QgsDebugMsg( "Creating QgsSOAPRequestHandler" );
//theRequestHandler = new QgsSOAPRequestHandler();
theRequestHandler = new QgsPostRequestHandler();
}
else
{
QgsDebugMsg( "Creating QgsGetRequestHandler" );
theRequestHandler = new QgsGetRequestHandler();
}
}
else
{
QgsDebugMsg( "Creating QgsGetRequestHandler" );
theRequestHandler = new QgsGetRequestHandler();
}
std::map<QString, QString> parameterMap;
try
{
parameterMap = theRequestHandler->parseInput();
}
catch ( QgsMapServiceException& e )
{
QgsDebugMsg( "An exception was thrown during input parsing" );
theRequestHandler->sendServiceException( e );
continue;
}
//set admin config file to wms server object
QString configFilePath = defaultConfigFilePath;
std::map<QString, QString>::const_iterator mapFileIt = parameterMap.find( "MAP" );
if ( mapFileIt != parameterMap.end() )
{
configFilePath = mapFileIt->second;
QgsDebugMsg( QString( "Configuration file path set to: %1" ).arg( defaultConfigFilePath ) );
}
else
{
QgsDebugMsg( QString( "Using default configuration file path: %1" ).arg( defaultConfigFilePath ) );
}
QgsConfigParser* adminConfigParser = QgsConfigCache::instance()->searchConfiguration( configFilePath );
if ( !adminConfigParser )
{
QgsDebugMsg( "parse error on config file " + configFilePath );
theRequestHandler->sendServiceException( QgsMapServiceException( "", "Configuration file problem : perhaps you left off the .qgs extension?" ) );
continue;
}
//sld parser might need information about request parameters
adminConfigParser->setParameterMap( parameterMap );
//request to WMS?
QString serviceString( "WMS" );
std::map<QString, QString>::const_iterator serviceIt = parameterMap.find( "SERVICE" );
if ( serviceIt != parameterMap.end() )
{
serviceString = serviceIt->second;
}
/*else
{
QgsDebugMsg( "unable to find 'SERVICE' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "ServiceNotSpecified", "Service not specified. The SERVICE parameter is mandatory" ) );
delete theRequestHandler;
continue;
}*/
QgsWMSServer* theServer = 0;
try
{
theServer = new QgsWMSServer( parameterMap, theMapRenderer );
}
catch ( QgsMapServiceException e ) //admin.sld may be invalid
{
theRequestHandler->sendServiceException( e );
continue;
}
theServer->setAdminConfigParser( adminConfigParser );
//request type
std::map<QString, QString>::const_iterator requestIt = parameterMap.find( "REQUEST" );
if ( requestIt == parameterMap.end() )
{
//do some error handling
QgsDebugMsg( "unable to find 'REQUEST' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "OperationNotSupported", "Please check the value of the REQUEST parameter" ) );
delete theRequestHandler;
delete theServer;
continue;
}
if ( requestIt->second == "GetCapabilities" )
{
const QDomDocument* capabilitiesDocument = capabilitiesCache.searchCapabilitiesDocument( configFilePath );
if ( !capabilitiesDocument ) //capabilities xml not in cache. Create a new one
{
QgsDebugMsg( "Capabilities document not found in cache" );
QDomDocument doc;
try
{
doc = theServer->getCapabilities();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
capabilitiesCache.insertCapabilitiesDocument( configFilePath, &doc );
capabilitiesDocument = capabilitiesCache.searchCapabilitiesDocument( configFilePath );
}
else
{
QgsDebugMsg( "Found capabilities document in cache" );
}
if ( capabilitiesDocument )
{
theRequestHandler->sendGetCapabilitiesResponse( *capabilitiesDocument );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( requestIt->second == "GetMap" )
{
QImage* result = 0;
try
{
result = theServer->getMap();
}
catch ( QgsMapServiceException& ex )
{
QgsDebugMsg( "Catched exception during GetMap request" );
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
if ( result )
{
QgsDebugMsg( "Sending GetMap response" );
theRequestHandler->sendGetMapResponse( serviceString, result );
}
else
{
//do some error handling
QgsDebugMsg( "result image is 0" );
}
delete result;
delete theRequestHandler;
delete theServer;
continue;
}
else if ( requestIt->second == "GetFeatureInfo" )
{
QDomDocument featureInfoDoc;
try
{
if ( theServer->getFeatureInfo( featureInfoDoc ) != 0 )
{
delete theRequestHandler;
delete theServer;
continue;
}
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
//info format for GetFeatureInfo
QString infoFormat;
std::map<QString, QString>::const_iterator p_it = parameterMap.find( "INFO_FORMAT" );
if ( p_it != parameterMap.end() )
{
infoFormat = p_it->second;
}
theRequestHandler->sendGetFeatureInfoResponse( featureInfoDoc, infoFormat );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( requestIt->second == "GetStyle" )
{
try
{
QDomDocument doc = theServer->getStyle();
theRequestHandler->sendGetStyleResponse( doc );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( requestIt->second == "GetLegendGraphics" )
{
QImage* result = 0;
try
{
result = theServer->getLegendGraphics();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
if ( result )
{
QgsDebugMsg( "Sending GetLegendGraphics response" );
//sending is the same for GetMap and GetLegendGraphics
theRequestHandler->sendGetMapResponse( serviceString, result );
}
else
{
//do some error handling
QgsDebugMsg( "result image is 0" );
}
delete result;
delete theRequestHandler;
delete theServer;
continue;
}
else if ( requestIt->second == "GetPrint" )
{
QByteArray* printOutput = 0;
try
{
printOutput = theServer->getPrint( theRequestHandler->format() );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
if ( printOutput )
{
theRequestHandler->sendGetPrintResponse( printOutput );
}
delete printOutput;
delete theRequestHandler;
delete theServer;
continue;
}
else//unknown request
{
QgsMapServiceException e( "OperationNotSupported", "Operation " + requestIt->second + " not supported" );
theRequestHandler->sendServiceException( e );
delete theRequestHandler;
delete theServer;
}
}
delete theMapRenderer;
return 0;
}
int main( int argc, char * argv[] )
{
#ifndef _MSC_VER
qInstallMsgHandler( dummyMessageHandler );
#endif
QgsApplication qgsapp( argc, argv, getenv( "DISPLAY" ) );
//Default prefix path may be altered by environment variable
QgsApplication::init();
#if defined(MAPSERVER_SKIP_ECW)
QgsDebugMsg( "Skipping GDAL ECW drivers in server." );
QgsApplication::skipGdalDriver( "ECW" );
QgsApplication::skipGdalDriver( "JP2ECW" );
#endif
QSettings settings;
QgsNetworkAccessManager *nam = QgsNetworkAccessManager::instance();
QNetworkDiskCache *cache = new QNetworkDiskCache( 0 );
QString cacheDirectory = settings.value( "cache/directory", QgsApplication::qgisSettingsDirPath() + "cache" ).toString();
qint64 cacheSize = settings.value( "cache/size", 50 * 1024 * 1024 ).toULongLong();
QgsDebugMsg( QString( "setCacheDirectory: %1" ).arg( cacheDirectory ) );
QgsDebugMsg( QString( "setMaximumCacheSize: %1" ).arg( cacheSize ) );
cache->setCacheDirectory( cacheDirectory );
cache->setMaximumCacheSize( cacheSize );
QgsDebugMsg( QString( "cacheDirectory: %1" ).arg( cache->cacheDirectory() ) );
QgsDebugMsg( QString( "maximumCacheSize: %1" ).arg( cache->maximumCacheSize() ) );
nam->setCache( cache );
QDomImplementation::setInvalidDataPolicy( QDomImplementation::DropInvalidChars );
// Instantiate the plugin directory so that providers are loaded
QgsProviderRegistry::instance( QgsApplication::pluginPath() );
QgsDebugMsg( "Prefix PATH: " + QgsApplication::prefixPath() );
QgsDebugMsg( "Plugin PATH: " + QgsApplication::pluginPath() );
QgsDebugMsg( "PkgData PATH: " + QgsApplication::pkgDataPath() );
QgsDebugMsg( "User DB PATH: " + QgsApplication::qgisUserDbFilePath() );
QgsDebugMsg( qgsapp.applicationDirPath() + "/qgis_wms_server.log" );
QgsApplication::createDB(); //init qgis.db (e.g. necessary for user crs)
//create config cache and search for config files in the current directory.
//These configurations are used if no mapfile parameter is present in the request
QString defaultConfigFilePath;
QFileInfo projectFileInfo = defaultProjectFile(); //try to find a .qgs file in the server directory
if ( projectFileInfo.exists() )
{
defaultConfigFilePath = projectFileInfo.absoluteFilePath();
QgsDebugMsg( "Using default project file: " + defaultConfigFilePath );
}
else
{
QFileInfo adminSLDFileInfo = defaultAdminSLD();
if ( adminSLDFileInfo.exists() )
{
defaultConfigFilePath = adminSLDFileInfo.absoluteFilePath();
}
}
//create cache for capabilities XML
QgsCapabilitiesCache capabilitiesCache;
//creating QgsMapRenderer is expensive (access to srs.db), so we do it here before the fcgi loop
QgsMapRenderer* theMapRenderer = new QgsMapRenderer();
theMapRenderer->setLabelingEngine( new QgsPalLabeling() );
#ifdef QGSMSDEBUG
QgsFontUtils::loadStandardTestFonts( QStringList() << "Roman" << "Bold" );
#endif
while ( fcgi_accept() >= 0 )
{
printRequestInfos(); //print request infos if in debug mode
//use QgsGetRequestHandler in case of HTTP GET and QgsSOAPRequestHandler in case of HTTP POST
QgsRequestHandler* theRequestHandler = 0;
char* requestMethod = getenv( "REQUEST_METHOD" );
if ( requestMethod != NULL )
{
if ( strcmp( requestMethod, "POST" ) == 0 )
{
//QgsDebugMsg( "Creating QgsSOAPRequestHandler" );
//theRequestHandler = new QgsSOAPRequestHandler();
theRequestHandler = new QgsPostRequestHandler();
}
else
{
QgsDebugMsg( "Creating QgsGetRequestHandler" );
theRequestHandler = new QgsGetRequestHandler();
}
}
else
{
QgsDebugMsg( "Creating QgsGetRequestHandler" );
theRequestHandler = new QgsGetRequestHandler();
}
QMap<QString, QString> parameterMap;
try
{
parameterMap = theRequestHandler->parseInput();
}
catch ( QgsMapServiceException& e )
{
QgsDebugMsg( "An exception was thrown during input parsing" );
theRequestHandler->sendServiceException( e );
continue;
}
QMap<QString, QString>::const_iterator paramIt;
//set admin config file to wms server object
QString configFilePath( defaultConfigFilePath );
QString projectFile = getenv( "QGIS_PROJECT_FILE" );
if ( !projectFile.isEmpty() )
{
configFilePath = projectFile;
}
else
{
paramIt = parameterMap.find( "MAP" );
if ( paramIt == parameterMap.constEnd() )
{
QgsDebugMsg( QString( "Using default configuration file path: %1" ).arg( defaultConfigFilePath ) );
}
else
{
configFilePath = paramIt.value();
}
}
QgsConfigParser* adminConfigParser = QgsConfigCache::instance()->searchConfiguration( configFilePath );
if ( !adminConfigParser )
{
QgsDebugMsg( "parse error on config file " + configFilePath );
theRequestHandler->sendServiceException( QgsMapServiceException( "", "Configuration file problem : perhaps you left off the .qgs extension?" ) );
continue;
}
//sld parser might need information about request parameters
adminConfigParser->setParameterMap( parameterMap );
//request to WMS?
QString serviceString;
paramIt = parameterMap.find( "SERVICE" );
if ( paramIt == parameterMap.constEnd() )
{
#ifndef QGISDEBUG
serviceString = parameterMap.value( "SERVICE", "WMS" );
#else
QgsDebugMsg( "unable to find 'SERVICE' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "ServiceNotSpecified", "Service not specified. The SERVICE parameter is mandatory" ) );
delete theRequestHandler;
continue;
#endif
}
else
{
serviceString = paramIt.value();
}
QgsWMSServer* theServer = 0;
if ( serviceString == "WCS" )
{
delete theServer;
QgsWCSServer* theServer = 0;
try
{
theServer = new QgsWCSServer( parameterMap );
}
catch ( const QgsMapServiceException &e ) //admin.sld may be invalid
{
theRequestHandler->sendServiceException( e );
continue;
}
theServer->setAdminConfigParser( adminConfigParser );
//request type
QString request = parameterMap.value( "REQUEST" );
if ( request.isEmpty() )
{
//do some error handling
QgsDebugMsg( "unable to find 'REQUEST' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "OperationNotSupported", "Please check the value of the REQUEST parameter" ) );
delete theRequestHandler;
delete theServer;
continue;
}
if ( request.compare( "GetCapabilities", Qt::CaseInsensitive ) == 0 )
{
QDomDocument capabilitiesDocument;
try
{
capabilitiesDocument = theServer->getCapabilities();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending GetCapabilities response" );
theRequestHandler->sendGetCapabilitiesResponse( capabilitiesDocument );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "DescribeCoverage", Qt::CaseInsensitive ) == 0 )
{
QDomDocument describeDocument;
try
{
describeDocument = theServer->describeCoverage();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending GetCapabilities response" );
theRequestHandler->sendGetCapabilitiesResponse( describeDocument );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetCoverage", Qt::CaseInsensitive ) == 0 )
{
QByteArray* coverageOutput;
try
{
coverageOutput = theServer->getCoverage();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
if ( coverageOutput )
{
theRequestHandler->sendGetCoverageResponse( coverageOutput );
}
delete theRequestHandler;
delete theServer;
continue;
}
}
else if ( serviceString == "WFS" )
{
delete theServer;
QgsWFSServer* theServer = 0;
try
{
theServer = new QgsWFSServer( parameterMap );
}
catch ( const QgsMapServiceException &e ) //admin.sld may be invalid
{
theRequestHandler->sendServiceException( e );
continue;
}
theServer->setAdminConfigParser( adminConfigParser );
//request type
QString request = parameterMap.value( "REQUEST" );
if ( request.isEmpty() )
{
//do some error handling
QgsDebugMsg( "unable to find 'REQUEST' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "OperationNotSupported", "Please check the value of the REQUEST parameter" ) );
delete theRequestHandler;
delete theServer;
continue;
}
if ( request.compare( "GetCapabilities", Qt::CaseInsensitive ) == 0 )
{
QDomDocument capabilitiesDocument;
try
{
capabilitiesDocument = theServer->getCapabilities();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending GetCapabilities response" );
theRequestHandler->sendGetCapabilitiesResponse( capabilitiesDocument );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "DescribeFeatureType", Qt::CaseInsensitive ) == 0 )
{
QDomDocument describeDocument;
try
{
describeDocument = theServer->describeFeatureType();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending GetCapabilities response" );
theRequestHandler->sendGetCapabilitiesResponse( describeDocument );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetFeature", Qt::CaseInsensitive ) == 0 )
{
//output format for GetFeature
QString outputFormat = parameterMap.value( "OUTPUTFORMAT" );
try
{
theServer->getFeature( *theRequestHandler, outputFormat );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "Transaction", Qt::CaseInsensitive ) == 0 )
{
QDomDocument transactionDocument;
try
{
transactionDocument = theServer->transaction( parameterMap.value( "REQUEST_BODY" ) );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending Transaction response" );
theRequestHandler->sendGetCapabilitiesResponse( transactionDocument );
delete theRequestHandler;
delete theServer;
continue;
}
return 0;
}
try
{
theServer = new QgsWMSServer( parameterMap, theMapRenderer );
}
catch ( const QgsMapServiceException &e ) //admin.sld may be invalid
{
theRequestHandler->sendServiceException( e );
continue;
}
adminConfigParser->loadLabelSettings( theMapRenderer->labelingEngine() );
theServer->setAdminConfigParser( adminConfigParser );
//request type
QString request = parameterMap.value( "REQUEST" );
if ( request.isEmpty() )
{
//do some error handling
QgsDebugMsg( "unable to find 'REQUEST' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "OperationNotSupported", "Please check the value of the REQUEST parameter" ) );
delete theRequestHandler;
delete theServer;
continue;
}
QString version = parameterMap.value( "VERSION", "1.3.0" );
bool getProjectSettings = ( request.compare( "GetProjectSettings", Qt::CaseInsensitive ) == 0 );
if ( getProjectSettings )
{
version = "1.3.0"; //getProjectSettings extends WMS 1.3.0 capabilities
}
if ( request.compare( "GetCapabilities", Qt::CaseInsensitive ) == 0 || getProjectSettings )
{
const QDomDocument* capabilitiesDocument = capabilitiesCache.searchCapabilitiesDocument( configFilePath, getProjectSettings ? "projectSettings" : version );
if ( !capabilitiesDocument ) //capabilities xml not in cache. Create a new one
{
QgsDebugMsg( "Capabilities document not found in cache" );
QDomDocument doc;
try
{
doc = theServer->getCapabilities( version, getProjectSettings );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
capabilitiesCache.insertCapabilitiesDocument( configFilePath, getProjectSettings ? "projectSettings" : version, &doc );
capabilitiesDocument = capabilitiesCache.searchCapabilitiesDocument( configFilePath, getProjectSettings ? "projectSettings" : version );
}
else
{
QgsDebugMsg( "Found capabilities document in cache" );
}
if ( capabilitiesDocument )
{
theRequestHandler->sendGetCapabilitiesResponse( *capabilitiesDocument );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetMap", Qt::CaseInsensitive ) == 0 )
{
QImage* result = 0;
try
{
result = theServer->getMap();
}
catch ( QgsMapServiceException& ex )
{
QgsDebugMsg( "Caught exception during GetMap request" );
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
if ( result )
{
QgsDebugMsg( "Sending GetMap response" );
theRequestHandler->sendGetMapResponse( serviceString, result );
QgsDebugMsg( "Response sent" );
}
else
{
//do some error handling
QgsDebugMsg( "result image is 0" );
}
delete result;
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetFeatureInfo", Qt::CaseInsensitive ) == 0 )
{
QDomDocument featureInfoDoc;
try
{
if ( theServer->getFeatureInfo( featureInfoDoc, version ) != 0 )
{
delete theRequestHandler;
delete theServer;
continue;
}
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QString infoFormat = parameterMap.value( "INFO_FORMAT" );
theRequestHandler->sendGetFeatureInfoResponse( featureInfoDoc, infoFormat );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetContext", Qt::CaseInsensitive ) == 0 )
{
try
{
QDomDocument doc = theServer->getContext();
theRequestHandler->sendGetStyleResponse( doc );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetStyle", Qt::CaseInsensitive ) == 0 ) // GetStyle for compatibility with earlier QGIS versions
{
try
{
QDomDocument doc = theServer->getStyle();
theRequestHandler->sendGetStyleResponse( doc );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetStyles", Qt::CaseInsensitive ) == 0 )
{
// GetStyles is only defined for WMS1.1.1/SLD1.0
if ( version != "1.1.1" )
{
theRequestHandler->sendServiceException( QgsMapServiceException( "OperationNotSupported", "GetStyles method is only available in WMS version 1.1.1" ) );
}
else
{
try
{
QDomDocument doc = theServer->getStyles();
theRequestHandler->sendGetStyleResponse( doc );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetLegendGraphic", Qt::CaseInsensitive ) == 0 ||
request.compare( "GetLegendGraphics", Qt::CaseInsensitive ) == 0 )
// GetLegendGraphics for compatibility with earlier QGIS versions
{
QImage* result = 0;
try
{
result = theServer->getLegendGraphics();
}
catch ( QgsMapServiceException& ex )
{
QgsDebugMsg( "Caught exception during GetLegendGraphic request" );
theRequestHandler->sendServiceException( ex );
}
if ( result )
{
QgsDebugMsg( "Sending GetLegendGraphic response" );
//sending is the same for GetMap and GetLegendGraphic
theRequestHandler->sendGetMapResponse( serviceString, result );
QgsDebugMsg( "Response sent" );
}
else
{
//do some error handling
QgsDebugMsg( "result image is 0" );
}
delete result;
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.compare( "GetPrint", Qt::CaseInsensitive ) == 0 )
{
QByteArray* printOutput = 0;
try
{
printOutput = theServer->getPrint( theRequestHandler->format() );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
if ( printOutput )
{
theRequestHandler->sendGetPrintResponse( printOutput );
}
delete printOutput;
delete theRequestHandler;
delete theServer;
continue;
}
else//unknown request
{
QgsMapServiceException e( "OperationNotSupported", "Operation " + request + " not supported" );
theRequestHandler->sendServiceException( e );
delete theRequestHandler;
delete theServer;
}
}
delete theMapRenderer;
QgsDebugMsg( "************* all done ***************" );
return 0;
}
QgsVectorLayer* QgsSLDConfigParser::contourLayerFromRaster( const QDomElement& userStyleElem, QgsRasterLayer* rasterLayer ) const
{
QgsDebugMsg( "Entering." );
if ( !rasterLayer )
{
return nullptr;
}
//get <ContourSymbolizer> element
QDomNodeList contourNodeList = userStyleElem.elementsByTagName( QStringLiteral( "ContourSymbolizer" ) );
if ( contourNodeList.size() < 1 )
{
return nullptr;
}
QDomElement contourSymbolizerElem = contourNodeList.item( 0 ).toElement();
if ( contourSymbolizerElem.isNull() )
{
return nullptr;
}
double equidistance, minValue, maxValue, offset;
QString propertyName;
equidistance = contourSymbolizerElem.attribute( QStringLiteral( "equidistance" ) ).toDouble();
minValue = contourSymbolizerElem.attribute( QStringLiteral( "minValue" ) ).toDouble();
maxValue = contourSymbolizerElem.attribute( QStringLiteral( "maxValue" ) ).toDouble();
offset = contourSymbolizerElem.attribute( QStringLiteral( "offset" ) ).toDouble();
propertyName = contourSymbolizerElem.attribute( QStringLiteral( "propertyName" ) );
if ( equidistance <= 0.0 )
{
return nullptr;
}
QTemporaryFile* tmpFile1 = new QTemporaryFile();
tmpFile1->open();
mFilesToRemove.push_back( tmpFile1 );
QString tmpBaseName = tmpFile1->fileName();
QString tmpFileName = tmpBaseName + ".shp";
//hack: use gdal_contour first to write into a temporary file
/* todo: use GDALContourGenerate( hBand, dfInterval, dfOffset,
nFixedLevelCount, adfFixedLevels,
bNoDataSet, dfNoData,
hLayer, 0, nElevField,
GDALTermProgress, nullptr );*/
//do the stuff that is also done in the main method of gdal_contour...
/* -------------------------------------------------------------------- */
/* Open source raster file. */
/* -------------------------------------------------------------------- */
GDALRasterBandH hBand;
GDALDatasetH hSrcDS;
int numberOfLevels = 0;
double currentLevel = 0.0;
if ( maxValue > minValue )
{
//find first level
currentLevel = ( int )(( minValue - offset ) / equidistance + 0.5 ) * equidistance + offset;
while ( currentLevel <= maxValue )
{
++numberOfLevels;
currentLevel += equidistance;
}
}
double *adfFixedLevels = new double[numberOfLevels];
int nFixedLevelCount = numberOfLevels;
currentLevel = ( int )(( minValue - offset ) / equidistance + 0.5 ) * equidistance + offset;
for ( int i = 0; i < numberOfLevels; ++i )
{
adfFixedLevels[i] = currentLevel;
currentLevel += equidistance;
}
int nBandIn = 1;
double dfInterval = equidistance, dfNoData = 0.0, dfOffset = offset;
int /* b3D = FALSE, */ bNoDataSet = FALSE, bIgnoreNoData = FALSE;
hSrcDS = GDALOpen( rasterLayer->source().toUtf8().constData(), GA_ReadOnly );
if ( !hSrcDS )
{
delete [] adfFixedLevels;
throw QgsMapServiceException( QStringLiteral( "LayerNotDefined" ), QStringLiteral( "Operation request is for a file not available on the server." ) );
}
hBand = GDALGetRasterBand( hSrcDS, nBandIn );
if ( !hBand )
{
CPLError( CE_Failure, CPLE_AppDefined,
"Band %d does not exist on dataset.",
nBandIn );
}
if ( !bNoDataSet && !bIgnoreNoData )
dfNoData = GDALGetRasterNoDataValue( hBand, &bNoDataSet );
/* -------------------------------------------------------------------- */
/* Try to get a coordinate system from the raster. */
/* -------------------------------------------------------------------- */
OGRSpatialReferenceH hSRS = nullptr;
const char *pszWKT = GDALGetProjectionRef( hBand );
if ( pszWKT && strlen( pszWKT ) != 0 )
hSRS = OSRNewSpatialReference( pszWKT );
/* -------------------------------------------------------------------- */
/* Create the outputfile. */
/* -------------------------------------------------------------------- */
OGRDataSourceH hDS;
OGRSFDriverH hDriver = OGRGetDriverByName( "ESRI Shapefile" );
OGRFieldDefnH hFld;
OGRLayerH hLayer;
int nElevField = -1;
if ( !hDriver )
{
//fprintf( FCGI_stderr, "Unable to find format driver named 'ESRI Shapefile'.\n" );
delete [] adfFixedLevels;
throw QgsMapServiceException( QStringLiteral( "LayerNotDefined" ), QStringLiteral( "Operation request is for a file not available on the server." ) );
}
hDS = OGR_Dr_CreateDataSource( hDriver, tmpFileName.toUtf8().constData(), nullptr );
if ( !hDS )
{
delete [] adfFixedLevels;
throw QgsMapServiceException( QStringLiteral( "LayerNotDefined" ), QStringLiteral( "Operation request cannot create data source." ) );
}
hLayer = OGR_DS_CreateLayer( hDS, "contour", hSRS,
/* b3D ? wkbLineString25D : */ wkbLineString,
nullptr );
if ( !hLayer )
{
delete [] adfFixedLevels;
throw QgsMapServiceException( QStringLiteral( "LayerNotDefined" ), QStringLiteral( "Operation request could not create contour file." ) );
}
hFld = OGR_Fld_Create( "ID", OFTInteger );
OGR_Fld_SetWidth( hFld, 8 );
OGR_L_CreateField( hLayer, hFld, FALSE );
OGR_Fld_Destroy( hFld );
if ( !propertyName.isEmpty() )
{
hFld = OGR_Fld_Create( propertyName.toUtf8().constData(), OFTReal );
OGR_Fld_SetWidth( hFld, 12 );
OGR_Fld_SetPrecision( hFld, 3 );
OGR_L_CreateField( hLayer, hFld, FALSE );
OGR_Fld_Destroy( hFld );
nElevField = 1;
}
/* -------------------------------------------------------------------- */
/* Invoke. */
/* -------------------------------------------------------------------- */
GDALContourGenerate( hBand, dfInterval, dfOffset,
nFixedLevelCount, adfFixedLevels,
bNoDataSet, dfNoData,
hLayer, 0, nElevField,
GDALTermProgress, nullptr );
delete [] adfFixedLevels;
OGR_DS_Destroy( hDS );
GDALClose( hSrcDS );
//todo: store those three files elsewhere...
//mark shp, dbf and shx to delete after the request
mFilePathsToRemove.push_back( tmpBaseName + ".shp" );
mFilePathsToRemove.push_back( tmpBaseName + ".dbf" );
mFilePathsToRemove.push_back( tmpBaseName + ".shx" );
QgsVectorLayer* contourLayer = new QgsVectorLayer( tmpFileName, QStringLiteral( "layer" ), QStringLiteral( "ogr" ) );
//create renderer
QgsFeatureRenderer* theRenderer = rendererFromUserStyle( userStyleElem, contourLayer );
contourLayer->setRenderer( theRenderer );
//add labeling if requested
labelSettingsFromUserStyle( userStyleElem, contourLayer );
QgsDebugMsg( "Returning the contour layer" );
return contourLayer;
}
int main( int argc, char * argv[] )
{
#ifndef _MSC_VER
qInstallMsgHandler( dummyMessageHandler );
#endif
QgsApplication qgsapp( argc, argv, getenv( "DISPLAY" ) );
//Default prefix path may be altered by environment variable
char* prefixPath = getenv( "QGIS_PREFIX_PATH" );
if ( prefixPath )
{
QgsApplication::setPrefixPath( prefixPath, TRUE );
}
#if !defined(Q_OS_WIN)
else
{
// init QGIS's paths - true means that all path will be inited from prefix
QgsApplication::setPrefixPath( CMAKE_INSTALL_PREFIX, TRUE );
}
#endif
QDomImplementation::setInvalidDataPolicy( QDomImplementation::DropInvalidChars );
// Instantiate the plugin directory so that providers are loaded
QgsProviderRegistry::instance( QgsApplication::pluginPath() );
QgsDebugMsg( "Prefix PATH: " + QgsApplication::prefixPath() );
QgsDebugMsg( "Plugin PATH: " + QgsApplication::pluginPath() );
QgsDebugMsg( "PkgData PATH: " + QgsApplication::pkgDataPath() );
QgsDebugMsg( "User DB PATH: " + QgsApplication::qgisUserDbFilePath() );
QgsDebugMsg( qgsapp.applicationDirPath() + "/qgis_wms_server.log" );
//create config cache and search for config files in the current directory.
//These configurations are used if no mapfile parameter is present in the request
QString defaultConfigFilePath;
QFileInfo projectFileInfo = defaultProjectFile(); //try to find a .qgs file in the server directory
if ( projectFileInfo.exists() )
{
defaultConfigFilePath = projectFileInfo.absoluteFilePath();
}
else
{
QFileInfo adminSLDFileInfo = defaultAdminSLD();
if ( adminSLDFileInfo.exists() )
{
defaultConfigFilePath = adminSLDFileInfo.absoluteFilePath();
}
}
//create cache for capabilities XML
QgsCapabilitiesCache capabilitiesCache;
//creating QgsMapRenderer is expensive (access to srs.db), so we do it here before the fcgi loop
QgsMapRenderer* theMapRenderer = new QgsMapRenderer();
theMapRenderer->setLabelingEngine( new QgsPalLabeling() );
while ( fcgi_accept() >= 0 )
{
printRequestInfos(); //print request infos if in debug mode
//use QgsGetRequestHandler in case of HTTP GET and QgsSOAPRequestHandler in case of HTTP POST
QgsRequestHandler* theRequestHandler = 0;
char* requestMethod = getenv( "REQUEST_METHOD" );
if ( requestMethod != NULL )
{
if ( strcmp( requestMethod, "POST" ) == 0 )
{
//QgsDebugMsg( "Creating QgsSOAPRequestHandler" );
//theRequestHandler = new QgsSOAPRequestHandler();
theRequestHandler = new QgsPostRequestHandler();
}
else
{
QgsDebugMsg( "Creating QgsGetRequestHandler" );
theRequestHandler = new QgsGetRequestHandler();
}
}
else
{
QgsDebugMsg( "Creating QgsGetRequestHandler" );
theRequestHandler = new QgsGetRequestHandler();
}
QMap<QString, QString> parameterMap;
try
{
parameterMap = theRequestHandler->parseInput();
}
catch ( QgsMapServiceException& e )
{
QgsDebugMsg( "An exception was thrown during input parsing" );
theRequestHandler->sendServiceException( e );
continue;
}
QMap<QString, QString>::const_iterator paramIt;
//set admin config file to wms server object
QString configFilePath( defaultConfigFilePath );
paramIt = parameterMap.find( "MAP" );
if ( paramIt == parameterMap.constEnd() )
{
QgsDebugMsg( QString( "Using default configuration file path: %1" ).arg( defaultConfigFilePath ) );
}
else
{
configFilePath = paramIt.value();
}
QgsConfigParser* adminConfigParser = QgsConfigCache::instance()->searchConfiguration( configFilePath );
if ( !adminConfigParser )
{
QgsDebugMsg( "parse error on config file " + configFilePath );
theRequestHandler->sendServiceException( QgsMapServiceException( "", "Configuration file problem : perhaps you left off the .qgs extension?" ) );
continue;
}
//sld parser might need information about request parameters
adminConfigParser->setParameterMap( parameterMap );
//request to WMS?
QString serviceString;
paramIt = parameterMap.find( "SERVICE" );
if ( paramIt == parameterMap.constEnd() )
{
#ifndef QGISDEBUG
serviceString = parameterMap.value( "SERVICE", "WMS" );
#else
QgsDebugMsg( "unable to find 'SERVICE' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "ServiceNotSpecified", "Service not specified. The SERVICE parameter is mandatory" ) );
delete theRequestHandler;
continue;
#endif
}
else
{
serviceString = paramIt.value();
}
QgsWMSServer* theServer = 0;
if ( serviceString == "WFS" )
{
delete theServer;
QgsWFSServer* theServer = 0;
try
{
theServer = new QgsWFSServer( parameterMap );
}
catch ( QgsMapServiceException e ) //admin.sld may be invalid
{
theRequestHandler->sendServiceException( e );
continue;
}
theServer->setAdminConfigParser( adminConfigParser );
//request type
QString request = parameterMap.value( "REQUEST" );
if ( request.isEmpty() )
{
//do some error handling
QgsDebugMsg( "unable to find 'REQUEST' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "OperationNotSupported", "Please check the value of the REQUEST parameter" ) );
delete theRequestHandler;
delete theServer;
continue;
}
if ( request.toLower() == QString( "GetCapabilities" ).toLower() )
{
QDomDocument capabilitiesDocument;
try
{
capabilitiesDocument = theServer->getCapabilities();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending GetCapabilities response" );
theRequestHandler->sendGetCapabilitiesResponse( capabilitiesDocument );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.toLower() == QString( "DescribeFeatureType" ).toLower() )
{
QDomDocument describeDocument;
try
{
describeDocument = theServer->describeFeatureType();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending GetCapabilities response" );
theRequestHandler->sendGetCapabilitiesResponse( describeDocument );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.toLower() == QString( "GetFeature" ).toLower() )
{
//output format for GetFeature
QString outputFormat = parameterMap.value( "OUTPUTFORMAT" );
try
{
if ( theServer->getFeature( *theRequestHandler, outputFormat ) != 0 )
{
delete theRequestHandler;
delete theServer;
continue;
}
else
{
delete theRequestHandler;
delete theServer;
continue;
}
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
}
else if ( request.toLower() == QString( "Transaction" ).toLower() )
{
QDomDocument transactionDocument;
try
{
transactionDocument = theServer->transaction( parameterMap.value( "REQUEST_BODY" ) );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QgsDebugMsg( "sending Transaction response" );
theRequestHandler->sendGetCapabilitiesResponse( transactionDocument );
delete theRequestHandler;
delete theServer;
continue;
}
return 0;
}
try
{
theServer = new QgsWMSServer( parameterMap, theMapRenderer );
}
catch ( QgsMapServiceException e ) //admin.sld may be invalid
{
theRequestHandler->sendServiceException( e );
continue;
}
theServer->setAdminConfigParser( adminConfigParser );
//request type
QString request = parameterMap.value( "REQUEST" );
if ( request.isEmpty() )
{
//do some error handling
QgsDebugMsg( "unable to find 'REQUEST' parameter, exiting..." );
theRequestHandler->sendServiceException( QgsMapServiceException( "OperationNotSupported", "Please check the value of the REQUEST parameter" ) );
delete theRequestHandler;
delete theServer;
continue;
}
QString version = parameterMap.value( "VERSION", "1.3.0" );
bool getProjectSettings = ( request.toLower() == QString( "GetProjectSettings" ).toLower() );
if ( getProjectSettings )
{
version = "1.3.0"; //getProjectSettings extends WMS 1.3.0 capabilities
}
if ( request.toLower() == QString( "GetCapabilities" ).toLower() || getProjectSettings )
{
const QDomDocument* capabilitiesDocument = capabilitiesCache.searchCapabilitiesDocument( configFilePath, getProjectSettings ? "projectSettings" : version );
if ( !capabilitiesDocument ) //capabilities xml not in cache. Create a new one
{
QgsDebugMsg( "Capabilities document not found in cache" );
QDomDocument doc;
try
{
doc = theServer->getCapabilities( version, getProjectSettings );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
capabilitiesCache.insertCapabilitiesDocument( configFilePath, getProjectSettings ? "projectSettings" : version, &doc );
capabilitiesDocument = capabilitiesCache.searchCapabilitiesDocument( configFilePath, getProjectSettings ? "projectSettings" : version );
}
else
{
QgsDebugMsg( "Found capabilities document in cache" );
}
if ( capabilitiesDocument )
{
theRequestHandler->sendGetCapabilitiesResponse( *capabilitiesDocument );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.toLower() == QString( "GetMap" ).toLower() )
{
QImage* result = 0;
try
{
result = theServer->getMap();
}
catch ( QgsMapServiceException& ex )
{
QgsDebugMsg( "Caught exception during GetMap request" );
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
if ( result )
{
QgsDebugMsg( "Sending GetMap response" );
theRequestHandler->sendGetMapResponse( serviceString, result );
QgsDebugMsg( "Response sent" );
}
else
{
//do some error handling
QgsDebugMsg( "result image is 0" );
}
delete result;
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.toLower() == QString( "GetFeatureInfo" ).toLower() )
{
QDomDocument featureInfoDoc;
try
{
if ( theServer->getFeatureInfo( featureInfoDoc, version ) != 0 )
{
delete theRequestHandler;
delete theServer;
continue;
}
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
delete theRequestHandler;
delete theServer;
continue;
}
QString infoFormat = parameterMap.value( "INFO_FORMAT" );
theRequestHandler->sendGetFeatureInfoResponse( featureInfoDoc, infoFormat );
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.toLower() == QString( "GetStyles" ).toLower() || request.toLower() == QString( "GetStyle" ).toLower() ) // GetStyle for compatibility with earlier QGIS versions
{
try
{
QDomDocument doc = theServer->getStyle();
theRequestHandler->sendGetStyleResponse( doc );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.toLower() == QString( "GetLegendGraphic" ).toLower() || request.toLower() == QString( "GetLegendGraphics" ).toLower() ) // GetLegendGraphics for compatibility with earlier QGIS versions
{
QImage* result = 0;
try
{
result = theServer->getLegendGraphics();
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
if ( result )
{
QgsDebugMsg( "Sending GetLegendGraphic response" );
//sending is the same for GetMap and GetLegendGraphic
theRequestHandler->sendGetMapResponse( serviceString, result );
}
else
{
//do some error handling
QgsDebugMsg( "result image is 0" );
}
delete result;
delete theRequestHandler;
delete theServer;
continue;
}
else if ( request.toLower() == QString( "GetPrint" ).toLower() )
{
QByteArray* printOutput = 0;
try
{
printOutput = theServer->getPrint( theRequestHandler->format() );
}
catch ( QgsMapServiceException& ex )
{
theRequestHandler->sendServiceException( ex );
}
if ( printOutput )
{
theRequestHandler->sendGetPrintResponse( printOutput );
}
delete printOutput;
delete theRequestHandler;
delete theServer;
continue;
}
else//unknown request
{
QgsMapServiceException e( "OperationNotSupported", "Operation " + request + " not supported" );
theRequestHandler->sendServiceException( e );
delete theRequestHandler;
delete theServer;
}
}
delete theMapRenderer;
QgsDebugMsg( "************* all done ***************" );
return 0;
}
/**
* @brief Handles the request
* @param queryString
* @param returnBody
* @param returnHeaders
* @return response body and headers if mCaptureOutput is set and the
* flags are set, empty QByteArray if not
*/
QByteArray QgsServer::handleRequest( const QString queryString ,
bool returnHeaders,
bool returnBody )
{
// Run init if handleRequest was called without previously initialising
// the server
if ( ! mInitialised )
{
init( );
}
/*
* This is mainly for python bindings, passing QUERY_STRING
* to handleRequest without using os.environment
*/
if ( ! queryString.isEmpty() )
{
#ifdef _MSC_VER
_putenv_s( "QUERY_STRING", queryString.toUtf8().data() );
#else
setenv( "QUERY_STRING", queryString.toUtf8().data(), 1 );
#endif
}
int logLevel = QgsServerLogger::instance()->logLevel();
QTime time; //used for measuring request time if loglevel < 1
QgsMapLayerRegistry::instance()->removeAllMapLayers();
mQgsApplication->processEvents();
if ( logLevel < 1 )
{
time.start();
printRequestInfos();
}
//Request handler
QScopedPointer<QgsRequestHandler> theRequestHandler( createRequestHandler( mCaptureOutput ) );
try
{
// TODO: split parse input into plain parse and processing from specific services
theRequestHandler->parseInput();
}
catch ( QgsMapServiceException& e )
{
QgsMessageLog::logMessage( "Parse input exception: " + e.message(), "Server", QgsMessageLog::CRITICAL );
theRequestHandler->setServiceException( e );
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
// Set the request handler into the interface for plugins to manipulate it
mServerInterface->setRequestHandler( theRequestHandler.data() );
// Iterate filters and call their requestReady() method
QgsServerFiltersMap::const_iterator filtersIterator;
for ( filtersIterator = mServerInterface->filters().constBegin(); filtersIterator != mServerInterface->filters().constEnd(); ++filtersIterator )
{
filtersIterator.value()->requestReady();
}
//Pass the filters to the requestHandler, this is needed for the following reasons:
// 1. allow core services to access plugin filters and implement thir own plugin hooks
// 2. allow requestHandler to call sendResponse plugin hook
theRequestHandler->setPluginFilters( mServerInterface->filters() );
#endif
// Copy the parameters map
QMap<QString, QString> parameterMap( theRequestHandler->parameterMap() );
printRequestParameters( parameterMap, logLevel );
QMap<QString, QString>::const_iterator paramIt;
//Config file path
mConfigFilePath = configPath( mConfigFilePath, parameterMap );
#ifdef HAVE_SERVER_PYTHON_PLUGINS
mServerInterface->setConfigFilePath( mConfigFilePath );
#endif
//Service parameter
QString serviceString = theRequestHandler->parameter( "SERVICE" );
if ( serviceString.isEmpty() )
{
// SERVICE not mandatory for WMS 1.3.0 GetMap & GetFeatureInfo
QString requestString = theRequestHandler->parameter( "REQUEST" );
if ( requestString == "GetMap" || requestString == "GetFeatureInfo" )
{
serviceString = "WMS";
}
}
// Enter core services main switch
if ( !theRequestHandler->exceptionRaised() )
{
if ( serviceString == "WCS" )
{
QgsWCSProjectParser* p = QgsConfigCache::instance()->wcsConfiguration( mConfigFilePath );
if ( !p )
{
theRequestHandler->setServiceException( QgsMapServiceException( "Project file error", "Error reading the project file" ) );
}
else
{
QgsWCSServer wcsServer( mConfigFilePath, parameterMap, p, theRequestHandler.data() );
wcsServer.executeRequest();
}
}
else if ( serviceString == "WFS" )
{
QgsWFSProjectParser* p = QgsConfigCache::instance()->wfsConfiguration( mConfigFilePath );
if ( !p )
{
theRequestHandler->setServiceException( QgsMapServiceException( "Project file error", "Error reading the project file" ) );
}
else
{
QgsWFSServer wfsServer( mConfigFilePath, parameterMap, p, theRequestHandler.data() );
wfsServer.executeRequest();
}
}
else if ( serviceString == "WMS" )
{
QgsWMSConfigParser* p = QgsConfigCache::instance()->wmsConfiguration( mConfigFilePath, parameterMap );
if ( !p )
{
theRequestHandler->setServiceException( QgsMapServiceException( "WMS configuration error", "There was an error reading the project file or the SLD configuration" ) );
}
else
{
QgsWMSServer wmsServer( mConfigFilePath, parameterMap, p, theRequestHandler.data(), mMapRenderer, mCapabilitiesCache );
wmsServer.executeRequest();
}
}
else
{
theRequestHandler->setServiceException( QgsMapServiceException( "Service configuration error", "Service unknown or unsupported" ) );
} // end switch
} // end if not exception raised
#ifdef HAVE_SERVER_PYTHON_PLUGINS
// Iterate filters and call their responseComplete() method
for ( filtersIterator = mServerInterface->filters().constBegin(); filtersIterator != mServerInterface->filters().constEnd(); ++filtersIterator )
{
filtersIterator.value()->responseComplete();
}
#endif
theRequestHandler->sendResponse();
if ( logLevel < 1 )
{
QgsMessageLog::logMessage( "Request finished in " + QString::number( time.elapsed() ) + " ms", "Server", QgsMessageLog::INFO );
}
// TODO: if HAVE_SERVER_PYTHON
// Returns the response bytestream
return theRequestHandler->getResponse( returnHeaders , returnBody );
}
int main( int argc, char * argv[] )
{
#ifndef _MSC_VER
qInstallMsgHandler( dummyMessageHandler );
#endif
QgsApplication qgsapp( argc, argv, getenv( "DISPLAY" ) );
//Default prefix path may be altered by environment variable
QgsApplication::init();
#if !defined(Q_OS_WIN)
// init QGIS's paths - true means that all path will be inited from prefix
QgsApplication::setPrefixPath( CMAKE_INSTALL_PREFIX, TRUE );
#endif
#if defined(MAPSERVER_SKIP_ECW)
QgsDebugMsg( "Skipping GDAL ECW drivers in server." );
QgsApplication::skipGdalDriver( "ECW" );
QgsApplication::skipGdalDriver( "JP2ECW" );
#endif
setupNetworkAccessManager();
QDomImplementation::setInvalidDataPolicy( QDomImplementation::DropInvalidChars );
// Instantiate the plugin directory so that providers are loaded
QgsProviderRegistry::instance( QgsApplication::pluginPath() );
QgsDebugMsg( "Prefix PATH: " + QgsApplication::prefixPath() );
QgsDebugMsg( "Plugin PATH: " + QgsApplication::pluginPath() );
QgsDebugMsg( "PkgData PATH: " + QgsApplication::pkgDataPath() );
QgsDebugMsg( "User DB PATH: " + QgsApplication::qgisUserDbFilePath() );
QgsDebugMsg( qgsapp.applicationDirPath() + "/qgis_wms_server.log" );
QgsApplication::createDB(); //init qgis.db (e.g. necessary for user crs)
QString defaultConfigFilePath;
QFileInfo projectFileInfo = defaultProjectFile(); //try to find a .qgs file in the server directory
if ( projectFileInfo.exists() )
{
defaultConfigFilePath = projectFileInfo.absoluteFilePath();
QgsDebugMsg( "Using default project file: " + defaultConfigFilePath );
}
else
{
QFileInfo adminSLDFileInfo = defaultAdminSLD();
if ( adminSLDFileInfo.exists() )
{
defaultConfigFilePath = adminSLDFileInfo.absoluteFilePath();
}
}
//create cache for capabilities XML
QgsCapabilitiesCache capabilitiesCache;
//creating QgsMapRenderer is expensive (access to srs.db), so we do it here before the fcgi loop
QgsMapRenderer* theMapRenderer = new QgsMapRenderer();
theMapRenderer->setLabelingEngine( new QgsPalLabeling() );
printRequestInfos();
#ifdef QGSMSDEBUG
QgsFontUtils::loadStandardTestFonts( QStringList() << "Roman" << "Bold" );
#endif
while ( fcgi_accept() >= 0 )
{
printRequestInfos(); //print request infos if in debug mode
//Request handler
QgsRequestHandler* theRequestHandler = createRequestHandler();
QMap<QString, QString> parameterMap;
try
{
parameterMap = theRequestHandler->parseInput();
}
catch ( QgsMapServiceException& e )
{
QgsDebugMsg( "An exception was thrown during input parsing" );
theRequestHandler->sendServiceException( e );
continue;
}
QMap<QString, QString>::const_iterator paramIt;
//Config file path
QString configFilePath = configPath( defaultConfigFilePath, parameterMap );
//Service parameter
QString serviceString;
paramIt = parameterMap.find( "SERVICE" );
if ( paramIt == parameterMap.constEnd() )
{
theRequestHandler->sendServiceException( QgsMapServiceException( "ServiceNotSpecified", "Service not specified. The SERVICE parameter is mandatory" ) );
delete theRequestHandler;
continue;
}
else
{
serviceString = paramIt.value();
}
if ( serviceString == "WCS" )
{
QgsWCSProjectParser* p = QgsConfigCache::instance()->wcsConfiguration( configFilePath );
if ( !p )
{
//error handling
}
QgsWCSServer wcsServer( configFilePath, parameterMap, p, theRequestHandler );
wcsServer.executeRequest();
}
else if ( serviceString == "WFS" )
{
QgsWFSProjectParser* p = QgsConfigCache::instance()->wfsConfiguration( configFilePath );
if ( !p )
{
//error handling
}
QgsWFSServer wfsServer( configFilePath, parameterMap, p, theRequestHandler );
wfsServer.executeRequest();
}
else //WMS else
{
QgsWMSConfigParser* p = QgsConfigCache::instance()->wmsConfiguration( configFilePath, parameterMap );
if ( !p )
{
//error handling
}
//adminConfigParser->loadLabelSettings( theMapRenderer->labelingEngine() );
QgsWMSServer wmsServer( configFilePath, parameterMap, p, theRequestHandler, theMapRenderer, &capabilitiesCache );
wmsServer.executeRequest();
}
}
delete theMapRenderer;
return 0;
}
