From 30e02aac087bb6d3cfb77e77e17ec19d7e087c51 Mon Sep 17 00:00:00 2001
From: Hide_D <hided62@gmail.com>
Date: Sun, 22 Dec 2024 03:42:08 +0000
Subject: [PATCH] =?UTF-8?q?feat:=20=EA=B0=80=EC=9E=85=20=EC=8B=9C=20?=
 =?UTF-8?q?=EC=98=81=EA=B5=AC=20=EC=B0=A8=EB=8B=A8=EB=90=9C=20=EC=9D=B4?=
 =?UTF-8?q?=EB=A9=94=EC=9D=BC=20=EA=B2=80=EC=82=AC?=
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---
 oauth_kakao/lib.join.php | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/oauth_kakao/lib.join.php b/oauth_kakao/lib.join.php
index 572f8a03..0492d1ca 100644
--- a/oauth_kakao/lib.join.php
+++ b/oauth_kakao/lib.join.php
@@ -48,6 +48,15 @@ function checkEmailDup($email){
         return '적절하지 않은 길이입니다.';
     }
 
+    $globalSalt = RootDB::getGlobalSalt();
+    $isBanned = RootDB::db()->queryFirstField(
+        'SELECT count(no) FROM banned_member WHERE `hashed_email` = sha2(concat(%s, %s, %s), 512) LIMIT 1',
+        $globalSalt, $email, $globalSalt
+    );
+    if($isBanned){
+        return '영구 차단된 이메일입니다.';
+    }
+
     $userInfo = RootDB::db()->queryFirstField('SELECT `no`, `delete_after` FROM member WHERE `email` = %s LIMIT 1', $email);
     if($userInfo){
         $nowDate = TimeUtil::now();