kakaots 추가

src/pages/api/oauth/kakao.ts

@@ -0,0 +1,33 @@
+import type { NextApiRequest, NextApiResponse } from 'next';
+
+export default async function handler(req: NextApiRequest, res: NextApiResponse) {
+    if (req.method !== 'POST') {
+        return res.status(405).json({ message: 'Method Not Allowed' });
+    }
+
+    const { code } = req.body;
+
+    if (!code) {
+        return res.status(400).json({ message: 'Authorization code is missing' });
+    }
+
+    try {
+        const tokenResponse = await fetch('https://kauth.kakao.com/oauth/token', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+            body: new URLSearchParams({
+                grant_type: 'authorization_code',
+                client_id: process.env.KAKAO_CLIENT_ID!,
+                redirect_uri: process.env.KAKAO_REDIRECT_URI!,
+                code,
+            }),
+        });
+
+        if (!tokenResponse.ok) throw new Error('Failed to fetch access token');
+        const tokenData = await tokenResponse.json();
+
+        res.status(200).json({ message: '카카오 로그인 성공', token: tokenData });
+    } catch (err) {
+        res.status(500).json({ message: (err as Error).message });
+    }
+}