feat: 쿠키 관련 확장함수가 정의된 유틸 클래스 구현

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

@@ -0,0 +1,27 @@
+package roomescape.system.auth.web.support
+
+import jakarta.servlet.http.Cookie
+import jakarta.servlet.http.HttpServletRequest
+import jakarta.servlet.http.HttpServletResponse
+import roomescape.system.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)
+}