SecurityConfig.java

package fitfit.global.security.config;

import fitfit.domain.token.filter.JwtAuthenticationFilter;
import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.CorsConfigurationSource;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;

import java.util.List;

@Configuration
@EnableWebSecurity
@EnableMethodSecurity
@RequiredArgsConstructor
public class SecurityConfig {
    private final JwtAuthenticationFilter jwtAuthenticationFilter;

    @Bean
    public SecurityFilterChain filterChain (HttpSecurity http) throws Exception {
        return http
                .cors(cors -> cors.configurationSource(corsConfigurationSource()))
                .csrf(csrf -> csrf.disable())
                .httpBasic(httpBasic -> httpBasic.disable())
                .formLogin(formLogin -> formLogin.disable())
                .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
                .authorizeHttpRequests(auth -> auth
                        .requestMatchers(
                                "/swagger-ui.html",
                                "/auth/**",
                                "/swagger-ui/**",
                                "/v3/api-docs/**",
                                "/api/members/auth/kko",
                                "/auth/refresh"
                        ).permitAll()
                        .anyRequest().authenticated()
                )
                .addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class)
                .build();
    }

    /**
     * Cors 설정 - IOS 앱에서 API 호출 허용
     */
    @Bean
    public CorsConfigurationSource corsConfigurationSource() {
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowedOrigins(List.of("*")); // 일단 전체 허용 (추후 변경 가능성 있음)
        config.setAllowedMethods(List.of("GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"));
        config.setAllowedHeaders(List.of("*"));
        config.setAllowCredentials(false); // 헤더에 토큰만 보내므로 false
        config.setExposedHeaders(List.of("Authorization")); // iOS 앱에서 Authorization 헤더 읽을 수 있도록 노출

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", config);
        return source;
    }
}