From d2cf16d046cd343fe2b7bf285c25312109b8504b Mon Sep 17 00:00:00 2001
From: Azalea <22280294+hykilpikonna@users.noreply.github.com>
Date: Tue, 26 Mar 2024 18:51:17 -0400
Subject: [PATCH] [F] Fix username decoding

---
 .../samnyan/aqua/sega/maimai2/handler/UpsertUserAllHandler.kt  | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/icu/samnyan/aqua/sega/maimai2/handler/UpsertUserAllHandler.kt b/src/main/java/icu/samnyan/aqua/sega/maimai2/handler/UpsertUserAllHandler.kt
index ced9cc9b..b1468794 100644
--- a/src/main/java/icu/samnyan/aqua/sega/maimai2/handler/UpsertUserAllHandler.kt
+++ b/src/main/java/icu/samnyan/aqua/sega/maimai2/handler/UpsertUserAllHandler.kt
@@ -45,6 +45,9 @@ class UpsertUserAllHandler(
             card = userData?.card ?: cardService.getCardByExtId(userId).orElseThrow()
             isNetMember = 1
 
+            // Decode Username
+            userName = String(userName.toByteArray(Charsets.ISO_8859_1), Charsets.UTF_8)
+
             // Verify user name
             if (userName.isBlank() || userName.length > 8 || !userName.all { it in USERNAME_CHARS })
                 400 - "Invalid username"