don't accept "undefined" as token

1 files changed, 1 insertions, 1 deletions

diff --git a/server.js b/server.js
index 071b429..de4d53f 100644
--- a/server.js
+++ b/server.js
@@ -57,7 +57,7 @@ const checkRateLimiting = (req, res, next) => {
 };
 
 const checkCaptcha = (req, res, next) => {
-    const token = String(req.get("X-CAPTCHA-TOKEN"));
+    const token = String(req.get("X-CAPTCHA-TOKEN") || "");
 
     if (!token.match(/^[a-zA-Z0-9-_]{30,60}$/)) {
         res.status(403).json({