saving work

src/routes/image.go

@@ -15,6 +15,8 @@ import (
 	"github.com/h2non/filetype"
 	"sour.is/x/toolbox/httpsrv"
 	"sour.is/x/toolbox/log"
+
+	"sour.is/x/paste/src/pkg/readutil"
 )
 
 func init() {
@@ -81,7 +83,7 @@ func (a *Image) get(w http.ResponseWriter, r *http.Request) {
 	}
 	defer f.Close()
 
-	pr := NewPreviewReader(f)
+	pr := readutil.NewPreviewReader(f)
 
 	mime, err := ReadMIME(pr, name)
 	w.Header().Set("Content-Type", mime)
@@ -105,7 +107,7 @@ func (a *Image) put(w http.ResponseWriter, r *http.Request) {
 	}
 
 	rdr := io.LimitReader(r.Body, a.maxSize)
-	pr := NewPreviewReader(rdr)
+	pr := readutil.NewPreviewReader(rdr)
 	if !isImageOrVideo(pr) {
 		httpsrv.WriteError(w, http.StatusUnsupportedMediaType, "ERR Not Image")
 		return