normalize socket IP format

2026-02-23 13:12:42 +11:00
parent 0295041cda
commit 8489927b67
1 changed files with 4 additions and 2 deletions
--- a/server.ts
+++ b/server.ts
@@ -132,11 +132,13 @@ function getClientIp(req: Request, server: Bun.Server<WsData>): string {
    const xff = req.headers.get("x-forwarded-for");
    if (xff) {
      const rightmost = xff.split(",").at(-1)?.trim();
-      if (rightmost) return rightmost;
+      if (rightmost && !isPrivateIp(rightmost)) {
+        return rightmost.startsWith("::ffff:") ? rightmost.slice(7) : rightmost;
+      }
    }
  }

-  return socketIp;
+  return socketIp.startsWith("::ffff:") ? socketIp.slice(7) : socketIp;
 }

 function isRateLimited(key: string, limit: number, windowMs: number): boolean {