Fix server getPrint accesscontrol for map items

Fixes #41800

python/core/auto_generated/layout/qgslayoutrendercontext.sip.in

@@ -311,6 +311,20 @@ Returns the current list of predefined scales for use with the layout.
 .. seealso:: :py:func:`setPredefinedScales`
 
 .. versionadded:: 3.10
+%End
+
+    QgsFeatureFilterProvider *featureFilterProvider() const;
+%Docstring
+Returns the possibly NULL featureFilterProvider
+
+.. versionadded:: 3.18
+%End
+
+    void setFeatureFilterProvider( QgsFeatureFilterProvider *featureFilterProvider );
+%Docstring
+Sets ``featureFilterProvider``
+
+.. versionadded:: 3.18
 %End
 
   signals:

src/core/layout/qgslayoutitemmap.cpp

@@ -1346,6 +1346,10 @@ void QgsLayoutItemMap::drawMap( QPainter *painter, const QgsRectangle &extent, Q
   }
 
   QgsMapRendererCustomPainterJob job( ms, painter );
+#ifdef HAVE_SERVER_PYTHON_PLUGINS
+  job.setFeatureFilterProvider( mLayout->renderContext().featureFilterProvider() );
+#endif
+
   // Render the map in this thread. This is done because of problems
   // with printing to printer on Windows (printing to PDF is fine though).
   // Raster images were not displayed - see #10599

src/core/layout/qgslayoutrendercontext.cpp

@@ -133,3 +133,13 @@ void QgsLayoutRenderContext::setPredefinedScales( const QVector<qreal> &scales )
   std::sort( mPredefinedScales.begin(), mPredefinedScales.end() ); // clazy:exclude=detaching-member
   emit predefinedScalesChanged();
 }
+
+QgsFeatureFilterProvider *QgsLayoutRenderContext::featureFilterProvider() const
+{
+  return mFeatureFilterProvider;
+}
+
+void QgsLayoutRenderContext::setFeatureFilterProvider( QgsFeatureFilterProvider *featureFilterProvider )
+{
+  mFeatureFilterProvider = featureFilterProvider;
+}

src/core/layout/qgslayoutrendercontext.h

@@ -297,6 +297,18 @@ class CORE_EXPORT QgsLayoutRenderContext : public QObject
      */
     QVector<qreal> predefinedScales() const { return mPredefinedScales; }
 
+    /**
+     * Returns the possibly NULL featureFilterProvider
+     * \since QGIS 3.18
+     */
+    QgsFeatureFilterProvider *featureFilterProvider() const;
+
+    /**
+     * Sets \a featureFilterProvider
+     * \since QGIS 3.18
+     */
+    void setFeatureFilterProvider( QgsFeatureFilterProvider *featureFilterProvider );
+
   signals:
 
     /**
@@ -342,6 +354,8 @@ class CORE_EXPORT QgsLayoutRenderContext : public QObject
 
     QVector<qreal> mPredefinedScales;
 
+    QgsFeatureFilterProvider *mFeatureFilterProvider = nullptr;
+
     friend class QgsLayoutExporter;
     friend class TestQgsLayout;
     friend class LayoutContextPreviewSettingRestorer;

src/server/qgsaccesscontrol.cpp

@@ -64,7 +64,7 @@ void QgsAccessControl::filterFeatures( const QgsVectorLayer *layer, QgsFeatureRe
 
   QString expression;
 
-  if ( mResolved && mFilterFeaturesExpressions.keys().contains( layer->id() ) )
+  if ( mResolved && mFilterFeaturesExpressions.contains( layer->id() ) )
   {
     expression = mFilterFeaturesExpressions[layer->id()];
   }

src/server/services/wms/qgswmsgetprint.cpp

@@ -64,6 +64,7 @@ namespace QgsWms
     context.setFlag( QgsWmsRenderContext::SetAccessControl );
     context.setFlag( QgsWmsRenderContext::AddHighlightLayers );
     context.setFlag( QgsWmsRenderContext::AddExternalLayers );
+    context.setFlag( QgsWmsRenderContext::AddAllLayers );
     context.setParameters( parameters );
 
     // rendering

src/server/services/wms/qgswmsrendercontext.cpp

@@ -182,7 +182,7 @@ qreal QgsWmsRenderContext::dotsPerMm() const
   return dpm / 1000.0;
 }
 
-QStringList QgsWmsRenderContext::flattenedQueryLayers() const
+QStringList QgsWmsRenderContext::flattenedQueryLayers( const QStringList &layerNames ) const
 {
   QStringList result;
   std::function <QStringList( const QString &name )> findLeaves = [ & ]( const QString & name ) -> QStringList
@@ -211,8 +211,8 @@ QStringList QgsWmsRenderContext::flattenedQueryLayers() const
     }
     return _result;
   };
-  const auto constNicks { mParameters.queryLayersNickname() };
-  for ( const auto &name : constNicks )
+
+  for ( const auto &name : qgis::as_const( layerNames ) )
   {
     result.append( findLeaves( name ) );
   }
@@ -429,7 +429,21 @@ void QgsWmsRenderContext::searchLayersToRender()
 
   if ( mFlags & AddQueryLayers )
   {
-    const QStringList queryLayerNames { flattenedQueryLayers() };
+    const QStringList queryLayerNames = flattenedQueryLayers( mParameters.queryLayersNickname() );
+    for ( const QString &layerName : queryLayerNames )
+    {
+      const QList<QgsMapLayer *> layers = mNicknameLayers.values( layerName );
+      for ( QgsMapLayer *lyr : layers )
+        if ( !mLayersToRender.contains( lyr ) )
+        {
+          mLayersToRender.append( lyr );
+        }
+    }
+  }
+
+  if ( mFlags & AddAllLayers )
+  {
+    const QStringList queryLayerNames = flattenedQueryLayers( mParameters.allLayersNickname() );
     for ( const QString &layerName : queryLayerNames )
     {
       const QList<QgsMapLayer *> layers = mNicknameLayers.values( layerName );

src/server/services/wms/qgswmsrendercontext.h

@@ -48,7 +48,8 @@ namespace QgsWms
         UseWfsLayersOnly       = 0x100,
         AddExternalLayers      = 0x200,
         UseSrcWidthHeight      = 0x400,
-        UseTileBuffer          = 0x800
+        UseTileBuffer          = 0x800,
+        AddAllLayers           = 0x1000 //!< For GetPrint: add layers from LAYER(S) parameter
       };
       Q_DECLARE_FLAGS( Flags, Flag )
 
@@ -209,7 +210,7 @@ namespace QgsWms
        * Returns a list of query layer names where group names are replaced by the names of their layer components.
        * \since QGIS 3.8
        */
-      QStringList flattenedQueryLayers() const;
+      QStringList flattenedQueryLayers( const QStringList &layerNames ) const;
 
 #ifdef HAVE_SERVER_PYTHON_PLUGINS
 

src/server/services/wms/qgswmsrenderer.cpp

@@ -427,6 +427,14 @@ namespace QgsWms
     // configure layout
     configurePrintLayout( layout.get(), mapSettings, atlas );
 
+#ifdef HAVE_SERVER_PYTHON_PLUGINS
+    QgsFeatureFilterProviderGroup filters;
+    mContext.accessControl()->resolveFilterFeatures( mapSettings.layers() );
+    filters.addProvider( mContext.accessControl() );
+    QgsLayoutRenderContext &layoutRendererContext = layout->renderContext();
+    layoutRendererContext.setFeatureFilterProvider( &filters );
+#endif
+
     // Get the temporary output file
     const QgsWmsParameters::Format format = mWmsParameters.format();
     const QString extension = QgsWmsParameters::formatAsString( format ).toLower();
@@ -556,6 +564,7 @@ namespace QgsWms
 
   bool QgsRenderer::configurePrintLayout( QgsPrintLayout *c, const QgsMapSettings &mapSettings, bool atlasPrint )
   {
+
     c->renderContext().setSelectionColor( mapSettings.selectionColor() );
     // Maps are configured first
     QList<QgsLayoutItemMap *> maps;
@@ -1174,7 +1183,7 @@ namespace QgsWms
   QDomDocument QgsRenderer::featureInfoDocument( QList<QgsMapLayer *> &layers, const QgsMapSettings &mapSettings,
       const QImage *outputImage, const QString &version ) const
   {
-    const QStringList queryLayers = mContext.flattenedQueryLayers( );
+    const QStringList queryLayers = mContext.flattenedQueryLayers( mContext.parameters().queryLayersNickname() );
 
     bool ijDefined = ( !mWmsParameters.i().isEmpty() && !mWmsParameters.j().isEmpty() );