support multiple auth header

auth.go

@@ -21,11 +21,13 @@ func handleAuth(c *gin.Context) error {
 	authorization = strings.Trim(authorization[len("Bearer"):], " ")
 	log.Println("Received authorization", authorization)
 
-	if authorization != authConfig.Value {
+	for _, auth := range strings.Split(authConfig.Value, ",") {
+		if authorization != strings.Trim(auth, " ") {
 			err = errors.New("wrong authorization header")
 			c.AbortWithError(403, err)
 			return err
 		}
+	}
 
 	return nil
 }