refactor:[kakao-tech-campus-2nd-step3#84]- refact Security

cors 변경

src/main/java/com/helpmeCookies/global/security/WebSecurityConfig.java

@@ -1,5 +1,7 @@
 package com.helpmeCookies.global.security;
 
+import static org.springframework.security.config.Customizer.*;
+
 import java.util.Arrays;
 
 import org.springframework.context.annotation.Bean;
@@ -40,7 +42,6 @@ public WebSecurityCustomizer configure() {
 
 	@Bean
 	public SecurityFilterChain oauth2SecurityFilterChain(HttpSecurity http) throws Exception {
-		http.cors((cors) -> cors.configurationSource(corsConfigurationSource()));
 		http
 			.securityMatcher("/oauth2/**")
 			.csrf(AbstractHttpConfigurer::disable)
@@ -72,8 +73,7 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
 		http.csrf(AbstractHttpConfigurer::disable);
 		http.sessionManagement((session) -> session
 			.sessionCreationPolicy(SessionCreationPolicy.STATELESS));
-		http.cors((cors) -> cors.configurationSource(corsConfigurationSource()));
-
+		http.cors(withDefaults());
 		http.authorizeHttpRequests((authorize) ->
 			authorize
 				.requestMatchers(HttpMethod.OPTIONS, "/**").permitAll()
@@ -99,22 +99,8 @@ public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
 		return http.build();
 	}
 
-	@Bean
-	public CorsConfigurationSource corsConfigurationSource() {
-		CorsConfiguration configuration = new CorsConfiguration();
-		configuration.setAllowedOrigins(Arrays.asList("http://1.618.s3-website.ap-northeast-2.amazonaws.com","http://localhost:3000"));
-		configuration.setAllowedMethods(Arrays.asList("GET", "POST", "PUT", "DELETE", "OPTIONS"));
-		configuration.setAllowedHeaders(Arrays.asList("Authorization", "Content-Type", "X-Requested-With", "accept", "Origin", "Access-Control-Request-Method", "Access-Control-Request-Headers"));
-		configuration.setAllowCredentials(true);
-
-		UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
-		source.registerCorsConfiguration("/**", configuration);
-		return source;
-	}
-
 	@Bean
 	public BCryptPasswordEncoder bCryptPasswordEncoder() {
 		return new BCryptPasswordEncoder();
 	}
-
 }