Test: 리프레시 토큰 쿠키

frontend/src/api/authApi.ts

@@ -1,20 +1,8 @@
 import api from '@/api/axiosConfig';
 import { AxiosError } from 'axios';
 
-export const reissueTokenApi = async () => {
-  try {
-    const response = await api.post('/api/auth/reissue', null, {
-      withCredentials: true,
-    });
-    return response.data;
-  } catch (error) {
-    if (error instanceof AxiosError) {
-      console.error('토큰 재발급 실패:', error.response?.data?.message || '알 수 없는 오류');
-    } else {
-      console.error('알 수 없는 오류가 발생했습니다.');
-    }
-    throw error;
-  }
+export const reissueTokenApi = () => {
+  return api.post('/api/auth/reissue', null, { withCredentials: true }).then((response) => response.data);
 };
 
 export const fetchProfileApi = async () => {

frontend/src/api/axiosConfig.ts

@@ -1,4 +1,4 @@
-import axios from 'axios';
+import axios, { AxiosError, AxiosResponse, InternalAxiosRequestConfig } from 'axios';
 import useAuthStore from '@/stores/useAuthStore';
 
 const baseURL = 'https://j11s002.p.ssafy.io';
@@ -8,56 +8,83 @@ const api = axios.create({
   withCredentials: true,
 });
 
-api.interceptors.request.use((config) => {
+let isTokenRefreshing = false;
+
+type FailedRequest = {
+  resolve: (value?: string | undefined) => void;
+  reject: (reason?: unknown) => void;
+};
+
+let failedQueue: FailedRequest[] = [];
+
+const processQueue = (error: Error | null, token: string | undefined = undefined): void => {
+  failedQueue.forEach((prom) => {
+    if (error) {
+      prom.reject(error);
+    } else {
+      prom.resolve(token);
+    }
+  });
+  failedQueue = [];
+};
+
+api.interceptors.request.use((config: InternalAxiosRequestConfig) => {
   const token = localStorage.getItem('accessToken');
-  if (token) {
+  if (token && config.headers) {
     config.headers.Authorization = `Bearer ${token}`;
   }
   return config;
 });
 
 api.interceptors.response.use(
-  (response) => response,
-  async (error) => {
-    const originalRequest = error.config;
-
-    if (error.response?.status === 401 && originalRequest._retry) {
-      console.error('토큰 재발급 중 401 오류가 발생했습니다. 로그아웃 처리합니다.');
-      alert('세션이 만료되었습니다. 다시 로그인해 주세요.');
-      useAuthStore.getState().clearAuth();
-      window.location.href = '/';
-      return Promise.reject(error);
-    }
+  (response: AxiosResponse) => response,
+  async (error: AxiosError) => {
+    const originalRequest = error.config as InternalAxiosRequestConfig & { _retry?: boolean };
 
     if (error.response?.status === 401 && !originalRequest._retry) {
-      originalRequest._retry = true;
-
-      try {
-        const response = await api.post('/api/auth/reissue', null, {
-          withCredentials: true,
-        });
-
-        if (!response.data?.data?.accessToken) {
-          alert('잘못된 토큰 재발급 응답입니다. 다시 로그인해 주세요.');
-          useAuthStore.getState().clearAuth();
-          window.location.href = '/';
-          return Promise.reject(new Error('Invalid token reissue response'));
+      if (isTokenRefreshing) {
+        return new Promise<string | undefined>((resolve, reject) => {
+          failedQueue.push({ resolve, reject });
+        })
+          .then((token) => {
+            if (token && originalRequest.headers) {
+              originalRequest.headers.Authorization = `Bearer ${token}`;
+            }
+            return api(originalRequest);
+          })
+          .catch((err) => Promise.reject(err));
       }
 
-        const newAccessToken = response.data.data.accessToken;
+      originalRequest._retry = true;
+      isTokenRefreshing = true;
+
+      return api
+        .post('/api/auth/reissue', null, { withCredentials: true })
+        .then((response) => {
+          const newAccessToken = response.data?.data?.accessToken;
+          if (!newAccessToken) {
+            throw new Error('Invalid token reissue response');
+          }
 
           useAuthStore.getState().setLoggedIn(true, newAccessToken);
           localStorage.setItem('accessToken', newAccessToken);
-        originalRequest.headers.Authorization = `Bearer ${newAccessToken}`;
+          processQueue(null, newAccessToken);
 
+          if (originalRequest.headers) {
+            originalRequest.headers.Authorization = `Bearer ${newAccessToken}`;
+          }
           return api(originalRequest);
-      } catch (reissueError) {
+        })
+        .catch((reissueError: Error) => {
+          processQueue(reissueError, undefined);
           console.error('토큰 재발급 실패:', reissueError);
-        alert('토큰 재발급에 실패했습니다. 다시 로그인해 주세요.');
           useAuthStore.getState().clearAuth();
           window.location.href = '/';
           return Promise.reject(reissueError);
-      }
+        })
+        .finally(() => {
+          isTokenRefreshing = false;
+        });
     }
 
     if (error.response?.status === 400) {

frontend/src/components/Home/index.tsx

@@ -3,7 +3,7 @@ import { useNavigate } from 'react-router-dom';
 import GoogleLogo from '@/assets/icons/web_neutral_rd_ctn@1x.png';
 import useAuthStore from '@/stores/useAuthStore';
 import { Button } from '@/components/ui/button';
-import { fetchProfileApi } from '@/api/authApi';
+import { fetchProfileApi, reissueTokenApi } from '@/api/authApi';
 
 const DOMAIN = 'https://j11s002.p.ssafy.io';
 
@@ -42,6 +42,19 @@ export default function Home() {
     navigate('/browse');
   };
 
+  const handleReissueToken = async () => {
+    try {
+      const response = await reissueTokenApi();
+      console.log('토큰 재발급 성공:', response);
+      alert('토큰 재발급 성공! 새로운 액세스 토큰을 콘솔에서 확인하세요.');
+    } catch (error) {
+      console.error('토큰 재발급 실패:', error);
+      alert('토큰 재발급에 실패했습니다. 다시 시도해 주세요.');
+    }
+  };
+
+  const isHidden = true;
+
   return (
     <div className="flex h-full flex-col items-center justify-center bg-gray-50 p-8">
       <div className="mb-6 max-w-xl rounded-lg bg-white p-6 shadow-lg">
@@ -75,6 +88,7 @@ export default function Home() {
           />
         </button>
       ) : (
+        <>
           <Button
             variant="outlinePrimary"
             size="lg"
@@ -82,6 +96,16 @@ export default function Home() {
           >
             시작하기
           </Button>
+          <Button
+            variant="outlinePrimary"
+            size="lg"
+            onClick={handleReissueToken}
+            className="mt-4"
+            style={{ display: isHidden ? 'none' : 'block' }}
+          >
+            리프레시 토큰 재발급 테스트
+          </Button>
+        </>
       )}
     </div>
   );