From 23c8b7dabf8f2205390a6f796529e790771db22e Mon Sep 17 00:00:00 2001
From: quank123wip <quank123wip@outlook.com>
Date: Thu, 25 Apr 2019 22:19:54 +0800
Subject: [PATCH] add username_regex

---
 config-example.json | 3 ++-
 utility.js          | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/config-example.json b/config-example.json
index 2c5a90b..761e168 100644
--- a/config-example.json
+++ b/config-example.json
@@ -121,5 +121,6 @@
     "type": "like-google-fonts",
     "url": "https://fonts.loli.net"
   },
-  "no_cdn": false
+  "no_cdn": false,
+  "username_regex": "^[a-zA-Z0-9\\-\\_]+$"
 }
diff --git a/utility.js b/utility.js
index f2524fa..1288106 100644
--- a/utility.js
+++ b/utility.js
@@ -255,7 +255,7 @@ module.exports = {
     return md5.digest('hex');
   },
   isValidUsername(s) {
-    return /^[a-zA-Z0-9\-\_]+$/.test(s);
+    return RegExp(syzoj.config.username_regex).test(s);
   },
   locks: [],
   lock(key, cb) {