refactor: AuthController의 응답에 ResponseEntity를 적용하기 위한 쿠키 관련 로직 수정

src/main/java/roomescape/auth/web/support/CookieUtils.kt

@@ -2,26 +2,25 @@ package roomescape.auth.web.support
 
 import jakarta.servlet.http.Cookie
 import jakarta.servlet.http.HttpServletRequest
-import jakarta.servlet.http.HttpServletResponse
+import org.springframework.http.ResponseCookie
 import roomescape.auth.web.TokenResponse
 
 const val ACCESS_TOKEN_COOKIE_NAME = "accessToken"
 
-fun Cookie.expire(): Unit {
-    this.value = ""
-    this.maxAge = 0
-}
-
-fun TokenResponse.toCookie(): Cookie = Cookie(ACCESS_TOKEN_COOKIE_NAME, this.accessToken)
-        .also { it.maxAge = 1800000 }
-
 fun HttpServletRequest.accessTokenCookie(): Cookie = this.cookies
         ?.firstOrNull { it.name == ACCESS_TOKEN_COOKIE_NAME }
         ?: Cookie(ACCESS_TOKEN_COOKIE_NAME, "")
 
-fun HttpServletResponse.addAccessTokenCookie(cookie: Cookie) {
-    cookie.isHttpOnly = true
-    cookie.secure = true
-    cookie.path = "/"
-    this.addCookie(cookie)
-}
+fun TokenResponse.toResponseCookie(): String = accessTokenCookie(this.accessToken, 1800)
+        .toString()
+
+fun expiredAccessTokenCookie(): String = accessTokenCookie("", 0)
+        .toString()
+
+private fun accessTokenCookie(token: String, maxAgeSecond: Long): ResponseCookie =
+        ResponseCookie.from(ACCESS_TOKEN_COOKIE_NAME, token)
+                .httpOnly(true)
+                .secure(true)
+                .path("/")
+                .maxAge(maxAgeSecond)
+                .build()