Remove ASCII-only restriction on media filenames. Closes #2277.

cmd/media.go

@@ -48,10 +48,6 @@ func handleUploadMedia(c echo.Context) error {
 		ext         = strings.TrimPrefix(strings.ToLower(filepath.Ext(file.Filename)), ".")
 		contentType = file.Header.Get("Content-Type")
 	)
-	if !isASCII(file.Filename) {
-		return echo.NewHTTPError(http.StatusUnprocessableEntity,
-			app.i18n.Ts("media.invalidFileName", "name", file.Filename))
-	}
 
 	// Validate file extension.
 	if !inArray("*", app.constants.MediaUpload.Extensions) {

cmd/utils.go

@@ -8,7 +8,6 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
-	"unicode"
 
 	"golang.org/x/text/cases"
 	"golang.org/x/text/language"
@@ -124,12 +123,3 @@ func titleCase(input string) string {
 
 	return strings.Join(parts, " ")
 }
-
-func isASCII(s string) bool {
-	for _, c := range s {
-		if c > unicode.MaxASCII {
-			return false
-		}
-	}
-	return true
-}