[Backport release-3_40] Move provider-specific credential redaction logic to QgsProviderMetadata

python/PyQt6/core/auto_additions/qgis.py

@@ -2549,6 +2549,22 @@
 # --
 Qgis.FileFilterType.baseClass = Qgis
 # monkey patching scoped based enum
+Qgis.UriCleaningFlag.RemoveCredentials.__doc__ = "Completely remove credentials (eg passwords) from the URI. This flag is not compatible with the RedactCredentials flag."
+Qgis.UriCleaningFlag.RedactCredentials.__doc__ = "Replace the value of credentials (eg passwords) with 'xxxxxxxx'. This flag is not compatible with the RemoveCredentials flag."
+Qgis.UriCleaningFlag.__doc__ = """Flags for cleaning layer URIs.
+
+.. versionadded:: 3.42
+
+* ``RemoveCredentials``: Completely remove credentials (eg passwords) from the URI. This flag is not compatible with the RedactCredentials flag.
+* ``RedactCredentials``: Replace the value of credentials (eg passwords) with 'xxxxxxxx'. This flag is not compatible with the RemoveCredentials flag.
+
+"""
+# --
+Qgis.UriCleaningFlag.baseClass = Qgis
+Qgis.UriCleaningFlags = lambda flags=0: Qgis.UriCleaningFlag(flags)
+Qgis.UriCleaningFlags.baseClass = Qgis
+UriCleaningFlags = Qgis  # dirty hack since SIP seems to introduce the flags in module
+# monkey patching scoped based enum
 Qgis.SublayerQueryFlag.FastScan.__doc__ = "Indicates that the provider must scan for sublayers using the fastest possible approach -- e.g. by first checking that a uri has an extension which is known to be readable by the provider"
 Qgis.SublayerQueryFlag.ResolveGeometryType.__doc__ = "Attempt to resolve the geometry type for vector sublayers"
 Qgis.SublayerQueryFlag.CountFeatures.__doc__ = "Count features in vector sublayers"

python/PyQt6/core/auto_generated/providers/qgsprovidermetadata.sip.in

@@ -573,6 +573,13 @@ If a provider does not work with paths, unmodified URI will be returned.
 .. seealso:: :py:func:`absoluteToRelativeUri`
 
 .. versionadded:: 3.30
+%End
+
+    virtual QString cleanUri( const QString &uri, Qgis::UriCleaningFlags flags = Qgis::UriCleaningFlag::RemoveCredentials ) const;
+%Docstring
+Cleans a layer ``uri``, e.g. to remove or hide sensitive information from the URI.
+
+.. versionadded:: 3.42
 %End
 
     virtual QList< QgsDataItemProvider * > dataItemProviders() const /Factory/;

python/PyQt6/core/auto_generated/qgis.sip.in

@@ -783,6 +783,15 @@ The development version
       TiledScene,
     };
 
+    enum class UriCleaningFlag /BaseType=IntFlag/
+    {
+      RemoveCredentials,
+      RedactCredentials,
+    };
+
+    typedef QFlags<Qgis::UriCleaningFlag> UriCleaningFlags;
+
+
     enum class SublayerQueryFlag /BaseType=IntFlag/
     {
       FastScan,
@@ -3313,6 +3322,8 @@ QFlags<Qgis::SnappingType> operator|(Qgis::SnappingType f1, QFlags<Qgis::Snappin
 
 QFlags<Qgis::SqlLayerDefinitionCapability> operator|(Qgis::SqlLayerDefinitionCapability f1, QFlags<Qgis::SqlLayerDefinitionCapability> f2);
 
+QFlags<Qgis::UriCleaningFlag> operator|(Qgis::UriCleaningFlag f1, QFlags<Qgis::UriCleaningFlag> f2);
+
 QFlags<Qgis::SublayerFlag> operator|(Qgis::SublayerFlag f1, QFlags<Qgis::SublayerFlag> f2);
 
 QFlags<Qgis::SublayerQueryFlag> operator|(Qgis::SublayerQueryFlag f1, QFlags<Qgis::SublayerQueryFlag> f2);

python/core/auto_additions/qgis.py

@@ -2521,6 +2521,21 @@
 # --
 Qgis.FileFilterType.baseClass = Qgis
 # monkey patching scoped based enum
+Qgis.UriCleaningFlag.RemoveCredentials.__doc__ = "Completely remove credentials (eg passwords) from the URI. This flag is not compatible with the RedactCredentials flag."
+Qgis.UriCleaningFlag.RedactCredentials.__doc__ = "Replace the value of credentials (eg passwords) with 'xxxxxxxx'. This flag is not compatible with the RemoveCredentials flag."
+Qgis.UriCleaningFlag.__doc__ = """Flags for cleaning layer URIs.
+
+.. versionadded:: 3.42
+
+* ``RemoveCredentials``: Completely remove credentials (eg passwords) from the URI. This flag is not compatible with the RedactCredentials flag.
+* ``RedactCredentials``: Replace the value of credentials (eg passwords) with 'xxxxxxxx'. This flag is not compatible with the RemoveCredentials flag.
+
+"""
+# --
+Qgis.UriCleaningFlag.baseClass = Qgis
+Qgis.UriCleaningFlags.baseClass = Qgis
+UriCleaningFlags = Qgis  # dirty hack since SIP seems to introduce the flags in module
+# monkey patching scoped based enum
 Qgis.SublayerQueryFlag.FastScan.__doc__ = "Indicates that the provider must scan for sublayers using the fastest possible approach -- e.g. by first checking that a uri has an extension which is known to be readable by the provider"
 Qgis.SublayerQueryFlag.ResolveGeometryType.__doc__ = "Attempt to resolve the geometry type for vector sublayers"
 Qgis.SublayerQueryFlag.CountFeatures.__doc__ = "Count features in vector sublayers"

python/core/auto_generated/providers/qgsprovidermetadata.sip.in

@@ -573,6 +573,13 @@ If a provider does not work with paths, unmodified URI will be returned.
 .. seealso:: :py:func:`absoluteToRelativeUri`
 
 .. versionadded:: 3.30
+%End
+
+    virtual QString cleanUri( const QString &uri, Qgis::UriCleaningFlags flags = Qgis::UriCleaningFlag::RemoveCredentials ) const;
+%Docstring
+Cleans a layer ``uri``, e.g. to remove or hide sensitive information from the URI.
+
+.. versionadded:: 3.42
 %End
 
     virtual QList< QgsDataItemProvider * > dataItemProviders() const /Factory/;

python/core/auto_generated/qgis.sip.in

@@ -783,6 +783,15 @@ The development version
       TiledScene,
     };
 
+    enum class UriCleaningFlag
+    {
+      RemoveCredentials,
+      RedactCredentials,
+    };
+
+    typedef QFlags<Qgis::UriCleaningFlag> UriCleaningFlags;
+
+
     enum class SublayerQueryFlag
     {
       FastScan,
@@ -3313,6 +3322,8 @@ QFlags<Qgis::SnappingType> operator|(Qgis::SnappingType f1, QFlags<Qgis::Snappin
 
 QFlags<Qgis::SqlLayerDefinitionCapability> operator|(Qgis::SqlLayerDefinitionCapability f1, QFlags<Qgis::SqlLayerDefinitionCapability> f2);
 
+QFlags<Qgis::UriCleaningFlag> operator|(Qgis::UriCleaningFlag f1, QFlags<Qgis::UriCleaningFlag> f2);
+
 QFlags<Qgis::SublayerFlag> operator|(Qgis::SublayerFlag f1, QFlags<Qgis::SublayerFlag> f2);
 
 QFlags<Qgis::SublayerQueryFlag> operator|(Qgis::SublayerQueryFlag f1, QFlags<Qgis::SublayerQueryFlag> f2);

src/core/providers/gdal/qgsgdalprovider.cpp

@@ -2720,6 +2720,29 @@ QString QgsGdalProviderMetadata::relativeToAbsoluteUri( const QString &uri, cons
   return context.pathResolver().readPath( src );
 }
 
+QString QgsGdalProviderMetadata::cleanUri( const QString &uri, Qgis::UriCleaningFlags flags ) const
+{
+  QVariantMap components = decodeUri( uri );
+  QVariantMap credentialOptions = components.value( QStringLiteral( "credentialOptions" ) ).toMap();
+  if ( !credentialOptions.empty() )
+  {
+    if ( flags.testFlag( Qgis::UriCleaningFlag::RedactCredentials ) )
+    {
+      for ( auto it = credentialOptions.begin(); it != credentialOptions.end(); ++it )
+      {
+        it.value() = QStringLiteral( "XXXXXXXX" );
+      }
+      components.insert( QStringLiteral( "credentialOptions" ), credentialOptions );
+    }
+    else if ( flags.testFlag( Qgis::UriCleaningFlag::RemoveCredentials ) )
+    {
+      components.remove( QStringLiteral( "credentialOptions" ) );
+    }
+  }
+
+  return encodeUri( components );
+}
+
 bool QgsGdalProviderMetadata::uriIsBlocklisted( const QString &uri ) const
 {
   const QVariantMap parts = decodeUri( uri );

src/core/providers/gdal/qgsgdalprovider.h

@@ -390,6 +390,7 @@ class QgsGdalProviderMetadata final: public QgsProviderMetadata
     QString encodeUri( const QVariantMap &parts ) const override;
     QString absoluteToRelativeUri( const QString &uri, const QgsReadWriteContext &context ) const override;
     QString relativeToAbsoluteUri( const QString &uri, const QgsReadWriteContext &context ) const override;
+    QString cleanUri( const QString &uri, Qgis::UriCleaningFlags flags = Qgis::UriCleaningFlag::RemoveCredentials ) const override;
     bool uriIsBlocklisted( const QString &uri ) const override;
     QgsGdalProvider *createProvider( const QString &uri, const QgsDataProvider::ProviderOptions &options, Qgis::DataProviderReadFlags flags = Qgis::DataProviderReadFlags() ) override;
     QgsGdalProvider *createRasterDataProvider(

src/core/providers/qgsprovidermetadata.cpp

@@ -198,6 +198,15 @@ QString QgsProviderMetadata::relativeToAbsoluteUri( const QString &uri, const Qg
   return context.pathResolver().readPath( uri );
 }
 
+QString QgsProviderMetadata::cleanUri( const QString &uri, Qgis::UriCleaningFlags flags ) const
+{
+  if ( flags.testFlag( Qgis::UriCleaningFlag::RemoveCredentials ) )
+    return QgsDataSourceUri::removePassword( uri );
+  else if ( flags.testFlag( Qgis::UriCleaningFlag::RedactCredentials ) )
+    return QgsDataSourceUri::removePassword( uri, true );
+  return uri;
+}
+
 Qgis::VectorExportResult QgsProviderMetadata::createEmptyLayer( const QString &, const QgsFields &,
     Qgis::WkbType, const QgsCoordinateReferenceSystem &,
     bool, QMap<int, int> &,

src/core/providers/qgsprovidermetadata.h

@@ -612,6 +612,13 @@ class CORE_EXPORT QgsProviderMetadata : public QObject
      */
     virtual QString relativeToAbsoluteUri( const QString &uri, const QgsReadWriteContext &context ) const;
 
+    /**
+     * Cleans a layer \a uri, e.g. to remove or hide sensitive information from the URI.
+     *
+     * \since QGIS 3.42
+     */
+    virtual QString cleanUri( const QString &uri, Qgis::UriCleaningFlags flags = Qgis::UriCleaningFlag::RemoveCredentials ) const;
+
     /**
      * Returns data item providers. Caller is responsible for ownership of the item providers
      * \see QgsProviderGuiMetadata::dataItemGuiProviders()

src/core/qgis.h

@@ -1293,6 +1293,26 @@ class CORE_EXPORT Qgis
     };
     Q_ENUM( FileFilterType )
 
+    /**
+     * Flags for cleaning layer URIs.
+     *
+     * \since QGIS 3.42
+     */
+    enum class UriCleaningFlag : int SIP_ENUM_BASETYPE( IntFlag )
+    {
+      RemoveCredentials = 1 << 0, //!< Completely remove credentials (eg passwords) from the URI. This flag is not compatible with the RedactCredentials flag.
+      RedactCredentials = 1 << 1, //!< Replace the value of credentials (eg passwords) with 'xxxxxxxx'. This flag is not compatible with the RemoveCredentials flag.
+    };
+    Q_ENUM( UriCleaningFlag )
+
+    /**
+     * Flags for cleaning layer URIs.
+     *
+     * \since QGIS 3.42
+     */
+    Q_DECLARE_FLAGS( UriCleaningFlags, UriCleaningFlag )
+    Q_FLAG( UriCleaningFlags )
+
     /**
      * Flags which control how data providers will scan for sublayers in a dataset.
      *
@@ -5721,6 +5741,7 @@ Q_DECLARE_OPERATORS_FOR_FLAGS( Qgis::SelectionFlags )
 Q_DECLARE_OPERATORS_FOR_FLAGS( Qgis::SettingsTreeNodeOptions )
 Q_DECLARE_OPERATORS_FOR_FLAGS( Qgis::SnappingTypes )
 Q_DECLARE_OPERATORS_FOR_FLAGS( Qgis::SqlLayerDefinitionCapabilities )
+Q_DECLARE_OPERATORS_FOR_FLAGS( Qgis::UriCleaningFlags )
 Q_DECLARE_OPERATORS_FOR_FLAGS( Qgis::SublayerFlags )
 Q_DECLARE_OPERATORS_FOR_FLAGS( Qgis::SublayerQueryFlags )
 Q_DECLARE_OPERATORS_FOR_FLAGS( Qgis::FeatureRendererFlags )

src/core/qgsmaplayer.cpp

@@ -477,34 +477,16 @@ QString QgsMapLayer::publicSource( bool redactCredentials ) const
 {
   QGIS_PROTECT_QOBJECT_THREAD_ACCESS
 
-  QString safeName = mDataSource;
-
-  if ( providerType() == QLatin1String( "gdal" ) )
-  {
-    QVariantMap components = QgsProviderRegistry::instance()->decodeUri( providerType(), safeName );
-    QVariantMap credentialOptions = components.value( QStringLiteral( "credentialOptions" ) ).toMap();
-    if ( !credentialOptions.empty() )
-    {
-      if ( redactCredentials )
-      {
-        for ( auto it = credentialOptions.begin(); it != credentialOptions.end(); ++it )
-        {
-          it.value() = QStringLiteral( "XXXXXXXX" );
-        }
-        components.insert( QStringLiteral( "credentialOptions" ), credentialOptions );
-      }
-      else
-      {
-        components.remove( QStringLiteral( "credentialOptions" ) );
-      }
-    }
-    safeName = QgsProviderRegistry::instance()->encodeUri( providerType(), components );
-  }
-
   // Redo this every time we're asked for it, as we don't know if
   // dataSource has changed.
-  safeName = QgsDataSourceUri::removePassword( safeName, redactCredentials );
-  return safeName;
+  if ( const QgsProviderMetadata *metadata = QgsProviderRegistry::instance()->providerMetadata( providerType() ) )
+  {
+    return metadata->cleanUri( mDataSource, redactCredentials ? Qgis::UriCleaningFlag::RedactCredentials : Qgis::UriCleaningFlag::RemoveCredentials );
+  }
+  else
+  {
+    return QgsDataSourceUri::removePassword( mDataSource, redactCredentials );
+  }
 }
 
 QString QgsMapLayer::source() const