fix: 토큰 생성 로직 수정 (#46)

* fix: 토큰 헤더 추가 로직 수정

* remove: 토큰 인증 관련 테스트 삭제

* refactor: 리뷰 반영

src/main/java/kr/allcll/seatfinder/AuthInterceptor.java

@@ -4,9 +4,10 @@
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import java.util.Arrays;
+import kr.allcll.seatfinder.exception.AllcllErrorCode;
+import kr.allcll.seatfinder.exception.AllcllException;
 import org.springframework.stereotype.Component;
 import org.springframework.web.servlet.HandlerInterceptor;
-import org.springframework.web.servlet.ModelAndView;
 
 @Component
 public class AuthInterceptor implements HandlerInterceptor {
@@ -16,21 +17,15 @@ public class AuthInterceptor implements HandlerInterceptor {
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
         if (hasNoToken(request)) {
-            ThreadLocalHolder.SHARED_TOKEN.set(TokenProvider.create());
+            String token = TokenProvider.create();
+            ThreadLocalHolder.SHARED_TOKEN.set(token);
+            response.addCookie(new Cookie(TOKEN_KEY, token));
             return true;
         }
         ThreadLocalHolder.SHARED_TOKEN.set(findTokenFromCookie(request));
         return true;
     }
 
-    @Override
-    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
-        ModelAndView modelAndView) {
-        if (hasNoToken(request)) {
-            response.addCookie(new Cookie(TOKEN_KEY, ThreadLocalHolder.SHARED_TOKEN.get()));
-        }
-    }
-
     private boolean hasNoToken(HttpServletRequest request) {
         if (request.getCookies() == null) {
             return true;
@@ -43,7 +38,7 @@ private String findTokenFromCookie(HttpServletRequest request) {
         return Arrays.stream(request.getCookies())
             .filter(cookie -> TOKEN_KEY.equals(cookie.getName()))
             .findAny()
-            .orElseThrow(() -> new IllegalArgumentException("쿠키에 토큰이 존재하지 않습니다."))
+            .orElseThrow(() -> new AllcllException(AllcllErrorCode.TOKEN_NOT_FOUND))
             .getValue();
     }
 }

src/main/java/kr/allcll/seatfinder/exception/AllcllErrorCode.java

@@ -5,6 +5,7 @@ public enum AllcllErrorCode {
     PIN_LIMIT_EXCEEDED("이미 %d개의 핀을 등록했습니다."),
     DUPLICATE_PIN("%s은(는) 이미 핀 등록된 과목입니다."),
     PIN_SUBJECT_MISMATCH("핀에 등록된 과목이 아닙니다."),
+    TOKEN_NOT_FOUND("쿠키에 토큰이 존재하지 않습니다."),
     SUBJECT_NOT_FOUND("존재하지 않는 과목 입니다.");
 
     private String message;