Function stripPS3

processing/strip_metadata.go:13–48

(img *vips.Image)

)

func stripPS3(img *vips.Image) []byte {
	ps3Data, err := img.GetBlob("iptc-data")
	if err != nil || len(ps3Data) == 0 {
		return nil
	}

	ps3Map := make(photoshop.PhotoshopMap)
	photoshop.Parse(ps3Data, ps3Map)

	iptcData, found := ps3Map[photoshop.IptcKey]
	if !found {
		return nil
	}

	iptcMap := make(iptc.IptcMap)
	err = iptc.Parse(iptcData, iptcMap)
	if err != nil {
		return nil
	}

	for key := range iptcMap {
		if key.RecordID == 2 && key.TagID != 80 && key.TagID != 110 && key.TagID != 116 {
			delete(iptcMap, key)
		}
	}

	if len(iptcMap) == 0 {
		return nil
	}

	ps3Map = photoshop.PhotoshopMap{
		photoshop.IptcKey: iptcMap.Dump(),
	}

	return ps3Map.Dump()
}

func stripXMP(img *vips.Image) []byte {
	xmpData, err := img.GetBlob("xmp-data")