fix: disallow thumbnails for tiff and jpeg2000 images

services/thumbnails/pkg/thumbnail/mimetypes_vips.go

@@ -2,6 +2,15 @@
 
 package thumbnail
 
+import "github.com/davidbyttow/govips/v2/vips"
+
+func init() {
+	// temporary remove TIFF and JP2K from go-vips' list of supported
+	// imagetypes
+	delete(vips.ImageTypes, vips.ImageTypeTIFF)
+	delete(vips.ImageTypes, vips.ImageTypeJP2K)
+}
+
 var (
 	// SupportedMimeTypes contains an all mimetypes which are supported by the thumbnailer.
 	SupportedMimeTypes = map[string]struct{}{
@@ -11,7 +20,6 @@ var (
 		"image/gif":                         {},
 		"image/bmp":                         {},
 		"image/x-ms-bmp":                    {},
-		"image/tiff":                        {},
 		"text/plain":                        {},
 		"audio/flac":                        {},
 		"audio/mpeg":                        {},