Add unit tests for WMS server access control with request filters

tests/src/python/test_qgsserver_accesscontrol.py

@@ -107,6 +107,8 @@ class RestrictedAccessControl(QgsAccessControlFilter):
             return "pk = 1"
         elif layer.name() == "Hello_Project_SubsetString":
             return "pkuid = 6 or pkuid = 7"
+        elif layer.name() == "Hello_Filter_SubsetString":
+            return "pkuid = 6 or pkuid = 7"
         else:
             return None
 
@@ -866,6 +868,47 @@ class TestQgsServerAccessControl(unittest.TestCase):
         response, headers = self._get_restricted(query_string)
         self._img_diff_error(response, headers, "Restricted_WMS_GetMap")
 
+    def test_wms_getmap_subsetstring_with_filter(self):
+        """ test that request filter and access control subsetStrings are correctly combined. Note that for this
+        test we reuse the projectsubsetstring reference images as we are using filter requests to set the same
+        filter " pkuid in (7,8) " as the project subsetstring uses for its test.
+        """
+        query_string = "&".join(["%s=%s" % i for i in {
+            "MAP": urllib.quote(self.projectPath),
+            "SERVICE": "WMS",
+            "VERSION": "1.1.1",
+            "REQUEST": "GetMap",
+            "LAYERS": "Hello_Filter_SubsetString",
+            "FILTER": "Hello_Filter_SubsetString:\"pkuid\" IN ( 7 , 8 )",
+            "STYLES": "",
+            "FORMAT": "image/png",
+            "BBOX": "-16817707,-4710778,5696513,14587125",
+            "HEIGHT": "500",
+            "WIDTH": "500",
+            "SRS": "EPSG:3857"
+        }.items()])
+
+        response, headers = self._get_fullaccess(query_string)
+        self._img_diff_error(response, headers, "WMS_GetMap_projectsubstring")
+
+        query_string = "&".join(["%s=%s" % i for i in {
+            "MAP": urllib.quote(self.projectPath),
+            "SERVICE": "WMS",
+            "VERSION": "1.1.1",
+            "REQUEST": "GetMap",
+            "LAYERS": "Hello_Filter_SubsetString",
+            "FILTER": "Hello_Filter_SubsetString:\"pkuid\" IN ( 7 , 8 )",
+            "STYLES": "",
+            "FORMAT": "image/png",
+            "BBOX": "-16817707,-4710778,5696513,14587125",
+            "HEIGHT": "500",
+            "WIDTH": "500",
+            "SRS": "EPSG:3857"
+        }.items()])
+
+        response, headers = self._get_restricted(query_string)
+        self._img_diff_error(response, headers, "Restricted_WMS_GetMap_projectsubstring")
+
     def test_wms_getmap_projectsubsetstring(self):
         """ test that project set layer subsetStrings are honored"""
         query_string = "&".join(["%s=%s" % i for i in {
@@ -1005,7 +1048,7 @@ class TestQgsServerAccessControl(unittest.TestCase):
             "Project set layer subsetString not honored in WMS GetFeatureInfo when access control applied/1\n%s" % response)
 
     def test_wms_getfeatureinfo_projectsubsetstring2(self):
-        """test that layer subsetStrings set in projects are honored. This test checks for a feature which should be pass
+        """test that layer subsetStrings set in projects are honored. This test checks for a feature which should pass
         both project set layer subsetString and access control filters
         """
         query_string = "&".join(["%s=%s" % i for i in {
@@ -1043,8 +1086,8 @@ class TestQgsServerAccessControl(unittest.TestCase):
             str(response).find("<qgs:pk>7</qgs:pk>") != -1,
             "No good result result in GetFeatureInfo Hello/2\n%s" % response)
 
-    def test_wms_getfeatureinfo_projectsubsetstring2(self):
-        """test that layer subsetStrings set in projects are honored. This test checks for a feature which should be pass
+    def test_wms_getfeatureinfo_projectsubsetstring3(self):
+        """test that layer subsetStrings set in projects are honored. This test checks for a feature which should pass
         the project set layer subsetString but fail the access control checks
         """
         query_string = "&".join(["%s=%s" % i for i in {
@@ -1079,6 +1122,117 @@ class TestQgsServerAccessControl(unittest.TestCase):
             str(response).find("<qgs:pk>") != -1,
             "Unexpected result from GetFeatureInfo Hello/2\n%s" % response)
 
+    def test_wms_getfeatureinfo_subsetstring_with_filter(self):
+        """test that request filters are honored. This test checks for a feature which should be filtered
+        out by the request filter
+        """
+        query_string = "&".join(["%s=%s" % i for i in {
+            "SERVICE": "WMS",
+            "VERSION": "1.1.1",
+            "REQUEST": "GetFeatureInfo",
+            "LAYERS": "Hello_Filter_SubsetString",
+            "QUERY_LAYERS": "Hello_Filter_SubsetString",
+            "FILTER": "Hello_Filter_SubsetString:\"pkuid\" IN ( 7 , 8 )",
+            "STYLES": "",
+            "FORMAT": "image/png",
+            "BBOX": "-16817707,-4710778,5696513,14587125",
+            "HEIGHT": "500",
+            "WIDTH": "500",
+            "SRS": "EPSG:3857",
+            "FEATURE_COUNT": "10",
+            "INFO_FORMAT": "application/vnd.ogc.gml",
+            "X": "56",
+            "Y": "144",
+            "MAP": urllib.quote(self.projectPath)
+        }.items()])
+
+        response, headers = self._get_fullaccess(query_string)
+        self.assertFalse(
+            str(response).find("<qgs:pk>") != -1,
+            "Request filter not honored in WMS GetFeatureInfo/1\n%s" % response)
+
+        response, headers = self._get_restricted(query_string)
+        self.assertFalse(
+            str(response).find("<qgs:pk>") != -1,
+            "Request filter not honored in WMS GetFeatureInfo when access control applied/1\n%s" % response)
+
+    def test_wms_getfeatureinfo_projectsubsetstring2(self):
+        """test that request filters are honored. This test checks for a feature which should pass
+        both request filter and access control filters
+        """
+        query_string = "&".join(["%s=%s" % i for i in {
+            "SERVICE": "WMS",
+            "VERSION": "1.1.1",
+            "REQUEST": "GetFeatureInfo",
+            "LAYERS": "Hello_Filter_SubsetString",
+            "QUERY_LAYERS": "Hello_Filter_SubsetString",
+            "FILTER": "Hello_Filter_SubsetString:\"pkuid\" IN ( 7 , 8 )",
+            "STYLES": "",
+            "FORMAT": "image/png",
+            "BBOX": "-1623412,3146330,-1603412,3166330",
+            "HEIGHT": "500",
+            "WIDTH": "500",
+            "SRS": "EPSG:3857",
+            "FEATURE_COUNT": "10",
+            "INFO_FORMAT": "application/vnd.ogc.gml",
+            "X": "146",
+            "Y": "160",
+            "MAP": urllib.quote(self.projectPath)
+        }.items()])
+
+        response, headers = self._get_fullaccess(query_string)
+        self.assertTrue(
+            str(response).find("<qgs:pk>") != -1,
+            "No result result in GetFeatureInfo Hello/2\n%s" % response)
+        self.assertTrue(
+            str(response).find("<qgs:pk>7</qgs:pk>") != -1,
+            "No good result result in GetFeatureInfo Hello/2\n%s" % response)
+
+        response, headers = self._get_restricted(query_string)
+        self.assertTrue(
+            str(response).find("<qgs:pk>") != -1,
+            "No result result in GetFeatureInfo Hello/2\n%s" % response)
+        self.assertTrue(
+            str(response).find("<qgs:pk>7</qgs:pk>") != -1,
+            "No good result result in GetFeatureInfo Hello/2\n%s" % response)
+
+    def test_wms_getfeatureinfo_projectsubsetstring3(self):
+        """test that request filters are honored. This test checks for a feature which should pass
+        the request filter but fail the access control checks
+        """
+        query_string = "&".join(["%s=%s" % i for i in {
+            "SERVICE": "WMS",
+            "VERSION": "1.1.1",
+            "REQUEST": "GetFeatureInfo",
+            "LAYERS": "Hello_Filter_SubsetString",
+            "QUERY_LAYERS": "Hello_Filter_SubsetString",
+            "FILTER": "Hello_Filter_SubsetString:\"pkuid\" IN ( 7 , 8 )",
+            "STYLES": "",
+            "FORMAT": "image/png",
+            "BBOX": "3415650,2018968,3415750,2019968",
+            "HEIGHT": "500",
+            "WIDTH": "500",
+            "SRS": "EPSG:3857",
+            "FEATURE_COUNT": "10",
+            "INFO_FORMAT": "application/vnd.ogc.gml",
+            "X": "146",
+            "Y": "160",
+            "MAP": urllib.quote(self.projectPath)
+        }.items()])
+
+        response, headers = self._get_fullaccess(query_string)
+        self.assertTrue(
+            str(response).find("<qgs:pk>") != -1,
+            "No result result in GetFeatureInfo Hello/2\n%s" % response)
+        self.assertTrue(
+            str(response).find("<qgs:pk>8</qgs:pk>") != -1,
+            "No good result result in GetFeatureInfo Hello/2\n%s" % response)
+
+        response, headers = self._get_restricted(query_string)
+        self.assertFalse(
+            str(response).find("<qgs:pk>") != -1,
+            "Unexpected result from GetFeatureInfo Hello/2\n%s" % response)
+
 # # WFS # # WFS # # WFS # #
 
     def test_wfs_getfeature_subsetstring(self):

tests/testdata/qgis_server_accesscontrol/project.qgs

@@ -15,6 +15,9 @@
     <layer-tree-layer expanded="1" checked="Qt::Checked" id="Hello_SubsetString_copy20160222085231770" name="Hello_Project_SubsetString">
       <customproperties/>
     </layer-tree-layer>
+    <layer-tree-layer expanded="1" checked="Qt::Checked" id="Hello_Project_SubsetString_copy20160223113949592" name="Hello_Filter_SubsetString">
+      <customproperties/>
+    </layer-tree-layer>
     <layer-tree-layer expanded="0" checked="Qt::Checked" id="dem20150730091219559" name="dem">
       <customproperties/>
     </layer-tree-layer>
@@ -26,10 +29,10 @@
   <mapcanvas>
     <units>meters</units>
     <extent>
-      <xmin>-18850007.98058429732918739</xmin>
-      <ymin>-15457772.87261204048991203</ymin>
-      <xmax>19663195.48641690239310265</xmax>
-      <ymax>23138032.31389476731419563</ymax>
+      <xmin>-15398461.32893919758498669</xmin>
+      <ymin>-387737.65663182735443115</ymin>
+      <xmax>11994411.33100509829819202</xmax>
+      <ymax>11190075.94268352724611759</ymax>
     </extent>
     <rotation>0</rotation>
     <projections>1</projections>
@@ -55,6 +58,7 @@
       <layer_coordinate_transform destAuthId="EPSG:3857" srcAuthId="EPSG:3857" srcDatumTransform="-1" destDatumTransform="-1" layerid="points20150803121107046"/>
       <layer_coordinate_transform destAuthId="EPSG:3857" srcAuthId="EPSG:3857" srcDatumTransform="-1" destDatumTransform="-1" layerid="Hello20150522142526972"/>
       <layer_coordinate_transform destAuthId="EPSG:3857" srcAuthId="EPSG:3857" srcDatumTransform="-1" destDatumTransform="-1" layerid="landsat20150522140814516"/>
+      <layer_coordinate_transform destAuthId="EPSG:3857" srcAuthId="EPSG:3857" srcDatumTransform="-1" destDatumTransform="-1" layerid="Hello_Project_SubsetString_copy20160223113949592"/>
     </layer_coordinate_transform_info>
   </mapcanvas>
   <layer-tree-canvas>
@@ -65,6 +69,7 @@
       <item>points20150803121107046</item>
       <item>Hello_copy20150804164427541</item>
       <item>Hello_SubsetString_copy20160222085231770</item>
+      <item>Hello_Project_SubsetString_copy20160223113949592</item>
     </custom-order>
   </layer-tree-canvas>
   <legend updateDrawingOrder="true">
@@ -88,6 +93,11 @@
         <legendlayerfile isInOverview="0" layerid="Hello_SubsetString_copy20160222085231770" visible="1"/>
       </filegroup>
     </legendlayer>
+    <legendlayer drawingOrder="-1" open="true" checked="Qt::Checked" name="Hello_Filter_SubsetString" showFeatureCount="0">
+      <filegroup open="true" hidden="false">
+        <legendlayerfile isInOverview="0" layerid="Hello_Project_SubsetString_copy20160223113949592" visible="1"/>
+      </filegroup>
+    </legendlayer>
     <legendlayer drawingOrder="-1" open="false" checked="Qt::Checked" name="dem" showFeatureCount="0">
       <filegroup open="false" hidden="false">
         <legendlayerfile isInOverview="0" layerid="dem20150730091219559" visible="1"/>
@@ -205,6 +215,323 @@
     </Composition>
   </Composer>
   <projectlayers>
+    <maplayer minimumScale="0" maximumScale="1e+08" simplifyDrawingHints="1" minLabelScale="1" maxLabelScale="1e+08" simplifyDrawingTol="1" geometry="Polygon" simplifyMaxScale="1" type="vector" hasScaleBasedVisibilityFlag="0" simplifyLocal="1" scaleBasedLabelVisibilityFlag="0">
+      <id>Hello_Project_SubsetString_copy20160223113949592</id>
+      <datasource>dbname='./helloworld.db' table="hello" (geom) sql=</datasource>
+      <shortname></shortname>
+      <title></title>
+      <abstract></abstract>
+      <keywordList>
+        <value></value>
+      </keywordList>
+      <layername>Hello_Filter_SubsetString</layername>
+      <srs>
+        <spatialrefsys>
+          <proj4>+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext  +no_defs</proj4>
+          <srsid>3857</srsid>
+          <srid>3857</srid>
+          <authid>EPSG:3857</authid>
+          <description>WGS 84 / Pseudo Mercator</description>
+          <projectionacronym>merc</projectionacronym>
+          <ellipsoidacronym>WGS84</ellipsoidacronym>
+          <geographicflag>false</geographicflag>
+        </spatialrefsys>
+      </srs>
+      <provider encoding="UTF-8">spatialite</provider>
+      <previewExpression></previewExpression>
+      <vectorjoins/>
+      <layerDependencies/>
+      <expressionfields/>
+      <map-layer-style-manager current="">
+        <map-layer-style name=""/>
+      </map-layer-style-manager>
+      <edittypes>
+        <edittype widgetv2type="TextEdit" name="pk">
+          <widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="1"/>
+        </edittype>
+        <edittype widgetv2type="TextEdit" name="pkuid">
+          <widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="0"/>
+        </edittype>
+        <edittype widgetv2type="TextEdit" name="colour">
+          <widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="1"/>
+        </edittype>
+      </edittypes>
+      <renderer-v2 forceraster="0" symbollevels="0" type="singleSymbol" enableorderby="0">
+        <symbols>
+          <symbol alpha="1" clip_to_extent="1" type="fill" name="0">
+            <layer pass="0" class="SimpleFill" locked="0">
+              <prop k="border_width_map_unit_scale" v="0,0,0,0,0,0"/>
+              <prop k="color" v="178,178,178,255"/>
+              <prop k="joinstyle" v="bevel"/>
+              <prop k="offset" v="0.8,0.8"/>
+              <prop k="offset_map_unit_scale" v="0,0,0,0,0,0"/>
+              <prop k="offset_unit" v="MM"/>
+              <prop k="outline_color" v="121,121,121,255"/>
+              <prop k="outline_style" v="solid"/>
+              <prop k="outline_width" v="0.26"/>
+              <prop k="outline_width_unit" v="MM"/>
+              <prop k="style" v="solid"/>
+            </layer>
+            <layer pass="0" class="SimpleFill" locked="0">
+              <prop k="border_width_map_unit_scale" v="0,0,0,0,0,0"/>
+              <prop k="color" v="230,85,192,255"/>
+              <prop k="joinstyle" v="bevel"/>
+              <prop k="offset" v="0,0"/>
+              <prop k="offset_map_unit_scale" v="0,0,0,0,0,0"/>
+              <prop k="offset_unit" v="MM"/>
+              <prop k="outline_color" v="0,0,0,255"/>
+              <prop k="outline_style" v="solid"/>
+              <prop k="outline_width" v="0.26"/>
+              <prop k="outline_width_unit" v="MM"/>
+              <prop k="style" v="solid"/>
+            </layer>
+          </symbol>
+        </symbols>
+        <rotation/>
+        <sizescale scalemethod="diameter"/>
+      </renderer-v2>
+      <labeling type="simple"/>
+      <customproperties>
+        <property key="labeling" value="pal"/>
+        <property key="labeling/addDirectionSymbol" value="false"/>
+        <property key="labeling/angleOffset" value="0"/>
+        <property key="labeling/blendMode" value="0"/>
+        <property key="labeling/bufferBlendMode" value="0"/>
+        <property key="labeling/bufferColorA" value="255"/>
+        <property key="labeling/bufferColorB" value="255"/>
+        <property key="labeling/bufferColorG" value="255"/>
+        <property key="labeling/bufferColorR" value="255"/>
+        <property key="labeling/bufferDraw" value="false"/>
+        <property key="labeling/bufferJoinStyle" value="64"/>
+        <property key="labeling/bufferNoFill" value="false"/>
+        <property key="labeling/bufferSize" value="1"/>
+        <property key="labeling/bufferSizeInMapUnits" value="false"/>
+        <property key="labeling/bufferSizeMapUnitMaxScale" value="0"/>
+        <property key="labeling/bufferSizeMapUnitMinScale" value="0"/>
+        <property key="labeling/bufferTransp" value="0"/>
+        <property key="labeling/centroidInside" value="false"/>
+        <property key="labeling/centroidWhole" value="false"/>
+        <property key="labeling/decimals" value="3"/>
+        <property key="labeling/displayAll" value="false"/>
+        <property key="labeling/dist" value="0"/>
+        <property key="labeling/distInMapUnits" value="false"/>
+        <property key="labeling/distMapUnitMaxScale" value="0"/>
+        <property key="labeling/distMapUnitMinScale" value="0"/>
+        <property key="labeling/drawLabels" value="false"/>
+        <property key="labeling/enabled" value="false"/>
+        <property key="labeling/fieldName" value="if (1 = $id, 'First', 'Others')&#xa;"/>
+        <property key="labeling/fitInPolygonOnly" value="false"/>
+        <property key="labeling/fontBold" value="false"/>
+        <property key="labeling/fontCapitals" value="0"/>
+        <property key="labeling/fontFamily" value="Sans Serif"/>
+        <property key="labeling/fontItalic" value="false"/>
+        <property key="labeling/fontLetterSpacing" value="0"/>
+        <property key="labeling/fontLimitPixelSize" value="false"/>
+        <property key="labeling/fontMaxPixelSize" value="10000"/>
+        <property key="labeling/fontMinPixelSize" value="3"/>
+        <property key="labeling/fontSize" value="9"/>
+        <property key="labeling/fontSizeInMapUnits" value="false"/>
+        <property key="labeling/fontSizeMapUnitMaxScale" value="0"/>
+        <property key="labeling/fontSizeMapUnitMinScale" value="0"/>
+        <property key="labeling/fontStrikeout" value="false"/>
+        <property key="labeling/fontUnderline" value="false"/>
+        <property key="labeling/fontWeight" value="50"/>
+        <property key="labeling/fontWordSpacing" value="0"/>
+        <property key="labeling/formatNumbers" value="false"/>
+        <property key="labeling/isExpression" value="true"/>
+        <property key="labeling/labelOffsetInMapUnits" value="true"/>
+        <property key="labeling/labelOffsetMapUnitMaxScale" value="0"/>
+        <property key="labeling/labelOffsetMapUnitMinScale" value="0"/>
+        <property key="labeling/labelPerPart" value="false"/>
+        <property key="labeling/leftDirectionSymbol" value="&lt;"/>
+        <property key="labeling/limitNumLabels" value="false"/>
+        <property key="labeling/maxCurvedCharAngleIn" value="20"/>
+        <property key="labeling/maxCurvedCharAngleOut" value="-20"/>
+        <property key="labeling/maxNumLabels" value="2000"/>
+        <property key="labeling/mergeLines" value="false"/>
+        <property key="labeling/minFeatureSize" value="0"/>
+        <property key="labeling/multilineAlign" value="0"/>
+        <property key="labeling/multilineHeight" value="1"/>
+        <property key="labeling/namedStyle" value="Normal"/>
+        <property key="labeling/obstacle" value="true"/>
+        <property key="labeling/obstacleFactor" value="1"/>
+        <property key="labeling/obstacleType" value="0"/>
+        <property key="labeling/offsetType" value="0"/>
+        <property key="labeling/placeDirectionSymbol" value="0"/>
+        <property key="labeling/placement" value="0"/>
+        <property key="labeling/placementFlags" value="0"/>
+        <property key="labeling/plussign" value="false"/>
+        <property key="labeling/predefinedPositionOrder" value="TR,TL,BR,BL,R,L,TSR,BSR"/>
+        <property key="labeling/preserveRotation" value="true"/>
+        <property key="labeling/previewBkgrdColor" value="#ffffff"/>
+        <property key="labeling/priority" value="5"/>
+        <property key="labeling/quadOffset" value="4"/>
+        <property key="labeling/repeatDistance" value="0"/>
+        <property key="labeling/repeatDistanceMapUnitMaxScale" value="0"/>
+        <property key="labeling/repeatDistanceMapUnitMinScale" value="0"/>
+        <property key="labeling/repeatDistanceUnit" value="1"/>
+        <property key="labeling/reverseDirectionSymbol" value="false"/>
+        <property key="labeling/rightDirectionSymbol" value=">"/>
+        <property key="labeling/scaleMax" value="10000000"/>
+        <property key="labeling/scaleMin" value="1"/>
+        <property key="labeling/scaleVisibility" value="false"/>
+        <property key="labeling/shadowBlendMode" value="6"/>
+        <property key="labeling/shadowColorB" value="0"/>
+        <property key="labeling/shadowColorG" value="0"/>
+        <property key="labeling/shadowColorR" value="0"/>
+        <property key="labeling/shadowDraw" value="false"/>
+        <property key="labeling/shadowOffsetAngle" value="135"/>
+        <property key="labeling/shadowOffsetDist" value="1"/>
+        <property key="labeling/shadowOffsetGlobal" value="true"/>
+        <property key="labeling/shadowOffsetMapUnitMaxScale" value="0"/>
+        <property key="labeling/shadowOffsetMapUnitMinScale" value="0"/>
+        <property key="labeling/shadowOffsetUnits" value="1"/>
+        <property key="labeling/shadowRadius" value="1.5"/>
+        <property key="labeling/shadowRadiusAlphaOnly" value="false"/>
+        <property key="labeling/shadowRadiusMapUnitMaxScale" value="0"/>
+        <property key="labeling/shadowRadiusMapUnitMinScale" value="0"/>
+        <property key="labeling/shadowRadiusUnits" value="1"/>
+        <property key="labeling/shadowScale" value="100"/>
+        <property key="labeling/shadowTransparency" value="30"/>
+        <property key="labeling/shadowUnder" value="0"/>
+        <property key="labeling/shapeBlendMode" value="0"/>
+        <property key="labeling/shapeBorderColorA" value="255"/>
+        <property key="labeling/shapeBorderColorB" value="128"/>
+        <property key="labeling/shapeBorderColorG" value="128"/>
+        <property key="labeling/shapeBorderColorR" value="128"/>
+        <property key="labeling/shapeBorderWidth" value="0"/>
+        <property key="labeling/shapeBorderWidthMapUnitMaxScale" value="0"/>
+        <property key="labeling/shapeBorderWidthMapUnitMinScale" value="0"/>
+        <property key="labeling/shapeBorderWidthUnits" value="1"/>
+        <property key="labeling/shapeDraw" value="false"/>
+        <property key="labeling/shapeFillColorA" value="255"/>
+        <property key="labeling/shapeFillColorB" value="255"/>
+        <property key="labeling/shapeFillColorG" value="255"/>
+        <property key="labeling/shapeFillColorR" value="255"/>
+        <property key="labeling/shapeJoinStyle" value="64"/>
+        <property key="labeling/shapeOffsetMapUnitMaxScale" value="0"/>
+        <property key="labeling/shapeOffsetMapUnitMinScale" value="0"/>
+        <property key="labeling/shapeOffsetUnits" value="1"/>
+        <property key="labeling/shapeOffsetX" value="0"/>
+        <property key="labeling/shapeOffsetY" value="0"/>
+        <property key="labeling/shapeRadiiMapUnitMaxScale" value="0"/>
+        <property key="labeling/shapeRadiiMapUnitMinScale" value="0"/>
+        <property key="labeling/shapeRadiiUnits" value="1"/>
+        <property key="labeling/shapeRadiiX" value="0"/>
+        <property key="labeling/shapeRadiiY" value="0"/>
+        <property key="labeling/shapeRotation" value="0"/>
+        <property key="labeling/shapeRotationType" value="0"/>
+        <property key="labeling/shapeSVGFile" value=""/>
+        <property key="labeling/shapeSizeMapUnitMaxScale" value="0"/>
+        <property key="labeling/shapeSizeMapUnitMinScale" value="0"/>
+        <property key="labeling/shapeSizeType" value="0"/>
+        <property key="labeling/shapeSizeUnits" value="1"/>
+        <property key="labeling/shapeSizeX" value="0"/>
+        <property key="labeling/shapeSizeY" value="0"/>
+        <property key="labeling/shapeTransparency" value="0"/>
+        <property key="labeling/shapeType" value="0"/>
+        <property key="labeling/textColorA" value="255"/>
+        <property key="labeling/textColorB" value="0"/>
+        <property key="labeling/textColorG" value="0"/>
+        <property key="labeling/textColorR" value="0"/>
+        <property key="labeling/textTransp" value="0"/>
+        <property key="labeling/upsidedownLabels" value="0"/>
+        <property key="labeling/wrapChar" value=""/>
+        <property key="labeling/xOffset" value="0"/>
+        <property key="labeling/yOffset" value="0"/>
+        <property key="labeling/zIndex" value="0"/>
+        <property key="variableNames" value="_fields_"/>
+        <property key="variableValues" value=""/>
+      </customproperties>
+      <blendMode>0</blendMode>
+      <featureBlendMode>0</featureBlendMode>
+      <layerTransparency>0</layerTransparency>
+      <displayfield>pkuid</displayfield>
+      <label>0</label>
+      <labelattributes>
+        <label fieldname="" text="Label"/>
+        <family fieldname="" name="DejaVu Sans"/>
+        <size fieldname="" units="pt" value="12"/>
+        <bold fieldname="" on="0"/>
+        <italic fieldname="" on="0"/>
+        <underline fieldname="" on="0"/>
+        <strikeout fieldname="" on="0"/>
+        <color fieldname="" red="0" blue="0" green="0"/>
+        <x fieldname=""/>
+        <y fieldname=""/>
+        <offset x="0" y="0" units="pt" yfieldname="" xfieldname=""/>
+        <angle fieldname="" value="0" auto="0"/>
+        <alignment fieldname="" value="center"/>
+        <buffercolor fieldname="" red="255" blue="255" green="255"/>
+        <buffersize fieldname="" units="pt" value="1"/>
+        <bufferenabled fieldname="" on=""/>
+        <multilineenabled fieldname="" on=""/>
+        <selectedonly on=""/>
+      </labelattributes>
+      <SingleCategoryDiagramRenderer diagramType="Pie">
+        <DiagramCategory penColor="#000000" labelPlacementMethod="XHeight" penWidth="0" diagramOrientation="Up" minimumSize="0" barWidth="5" penAlpha="255" maxScaleDenominator="1e+08" backgroundColor="#ffffff" transparency="0" width="15" scaleDependency="Area" backgroundAlpha="255" angleOffset="1440" scaleBasedVisibility="0" enabled="0" height="15" sizeType="MM" minScaleDenominator="0">
+          <fontProperties description="DejaVu Sans,11,-1,5,50,0,0,0,0,0" style=""/>
+          <attribute field="" color="#000000" label=""/>
+        </DiagramCategory>
+      </SingleCategoryDiagramRenderer>
+      <DiagramLayerSettings yPosColumn="-1" linePlacementFlags="10" placement="0" dist="0" xPosColumn="-1" priority="0" obstacle="0" zIndex="0" showAll="1"/>
+      <annotationform>.</annotationform>
+      <aliases>
+        <alias field="colour" index="2" name="Couleur"/>
+      </aliases>
+      <excludeAttributesWMS/>
+      <excludeAttributesWFS/>
+      <attributeactions/>
+      <editform>.</editform>
+      <editforminit/>
+      <editforminitcodesource>0</editforminitcodesource>
+      <editforminitfilepath>.</editforminitfilepath>
+      <editforminitcode><![CDATA[# -*- coding: utf-8 -*-
+"""
+QGIS forms can have a Python function that is called when the form is
+opened.
+
+Use this function to add extra logic to your forms.
+
+Enter the name of the function in the "Python Init function"
+field.
+An example follows:
+"""
+from PyQt4.QtGui import QWidget
+
+def my_form_open(dialog, layer, feature):
+	geom = feature.geometry()
+	control = dialog.findChild(QWidget, "MyLineEdit")
+]]></editforminitcode>
+      <featformsuppress>0</featformsuppress>
+      <editorlayout>generatedlayout</editorlayout>
+      <attributeEditorForm>
+        <attributeEditorContainer name="t">
+          <attributeEditorContainer name="c1">
+            <attributeEditorField index="1" name="pkuid"/>
+          </attributeEditorContainer>
+          <attributeEditorContainer name="c2">
+            <attributeEditorField index="2" name="colour"/>
+          </attributeEditorContainer>
+        </attributeEditorContainer>
+      </attributeEditorForm>
+      <widgets/>
+      <conditionalstyles>
+        <rowstyles/>
+        <fieldstyles/>
+      </conditionalstyles>
+      <edittypes>
+        <edittype widgetv2type="TextEdit" name="pk">
+          <widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="1"/>
+        </edittype>
+        <edittype widgetv2type="TextEdit" name="pkuid">
+          <widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="0"/>
+        </edittype>
+        <edittype widgetv2type="TextEdit" name="colour">
+          <widgetv2config IsMultiline="0" fieldEditable="1" UseHtml="0" labelOnTop="1"/>
+        </edittype>
+      </edittypes>
+    </maplayer>
     <maplayer minimumScale="-4.65661e-10" maximumScale="1e+08" simplifyDrawingHints="1" minLabelScale="1" maxLabelScale="1e+08" simplifyDrawingTol="1" geometry="Polygon" simplifyMaxScale="1" type="vector" hasScaleBasedVisibilityFlag="0" simplifyLocal="1" scaleBasedLabelVisibilityFlag="0">
       <id>Hello_SubsetString_copy20160222085231770</id>
       <datasource>dbname='./helloworld.db' table="hello" (geom) sql="pkuid" in ( 7, 8 )</datasource>
@@ -2331,15 +2658,15 @@ def my_form_open(dialog, layer, feature):
     <WMSKeywordList type="QStringList">
       <value></value>
     </WMSKeywordList>
+    <Variables>
+      <variableNames type="QStringList"/>
+      <variableValues type="QStringList"/>
+    </Variables>
     <Paths>
       <Absolute type="bool">false</Absolute>
     </Paths>
     <WMSContactPosition type="QString"></WMSContactPosition>
     <WMSMaxHeight type="int">5000</WMSMaxHeight>
-    <Variables>
-      <variableNames type="QStringList"/>
-      <variableValues type="QStringList"/>
-    </Variables>
     <PositionPrecision>
       <DecimalPlaces type="int">2</DecimalPlaces>
       <Automatic type="bool">true</Automatic>