middle 2

auth.ts

@@ -2,10 +2,14 @@
 import NextAuth from "next-auth";
 import Google from "next-auth/providers/google";
 import { PrismaClient } from "@/app/generated/prisma";
-import { randomBytes } from "crypto";
-
-function generateRegisterCode(): string {
-  return randomBytes(16).toString("hex");
+async function generateRegisterCode(): Promise<string> {
+  // Library-free random (Edge 호환). 16바이트 hex
+  let out = "";
+  for (let i = 0; i < 16; i++) {
+    const byte = Math.floor(Math.random() * 256);
+    out += byte.toString(16).padStart(2, "0");
+  }
+  return out;
 }
 
 export const { handlers, auth, signIn, signOut } = NextAuth({
@@ -16,18 +20,10 @@ export const { handlers, auth, signIn, signOut } = NextAuth({
     }),
 
   ],
+  // callbacks 제거: 세션에 registerCode를 포함하지 않음
   
   events: {
     async signIn({ user, account, profile }) {
-
-      console.log("[NextAuth] signIn user:", {
-        id: (user as any)?.id,
-        name: user?.name,
-        email: user?.email,
-        image: (user as any)?.image,
-        provider: account?.provider,
-      });
-
       // Upsert User (by email)
       try {
         const prisma = new PrismaClient();
@@ -41,7 +37,7 @@ export const { handlers, auth, signIn, signOut } = NextAuth({
         if (existing) {
           const registerCodeData = existing.RegisgerCode
             ? {}
-            : { RegisgerCode: generateRegisterCode() };
+            : { RegisgerCode: await generateRegisterCode() };
           await prisma.user.update({
             where: { id: existing.id },
             data: {
@@ -54,7 +50,7 @@ export const { handlers, auth, signIn, signOut } = NextAuth({
             data: {
               email,
               icon: (user as any)?.image ?? "",
-              RegisgerCode: generateRegisterCode(),
+              RegisgerCode: await generateRegisterCode(),
             },
           });
         }