Commit e35e245b authored by Pier Angelo Vendrame's avatar Pier Angelo Vendrame 🎃
Browse files

BB 44772: Disable efficient randomization for canvases. 

Always use the regular randomization algorithm, instead.
parent facdb9ab

dom/canvas/CanvasUtils.cpp

+3 −8
Original line number Diff line number Diff line
@@ -382,14 +382,9 @@ ImageExtraction ImageExtractionResult(dom::HTMLCanvasElement* aCanvasElement, 
    return ImageExtraction::Placeholder;

  }



  if (ownerDoc->ShouldResistFingerprinting(

          RFPTarget::EfficientCanvasRandomization) &&

      GetCanvasExtractDataPermission(aPrincipal) !=

          nsIPermissionManager::ALLOW_ACTION) {

    return ImageExtraction::EfficientRandomize;

  }



  if ((ownerDoc->ShouldResistFingerprinting(RFPTarget::CanvasRandomization) ||

  if ((ownerDoc->ShouldResistFingerprinting(

           RFPTarget::EfficientCanvasRandomization) ||

       ownerDoc->ShouldResistFingerprinting(RFPTarget::CanvasRandomization) ||

       ownerDoc->ShouldResistFingerprinting(RFPTarget::WebGLRandomization)) &&

      GetCanvasExtractDataPermission(aPrincipal) !=

          nsIPermissionManager::ALLOW_ACTION) {