SecurityConfig.java

package org.example.expert.config;

import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configurers.AbstractHttpConfigurer;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

@Configuration
@EnableWebSecurity
@RequiredArgsConstructor
public class SecurityConfig {
    private final JwtFilter jwtFilter;

    @Bean
    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
        return http
                .httpBasic(AbstractHttpConfigurer::disable) // 기본 인증 비활성화
                .formLogin(AbstractHttpConfigurer::disable) // 폼 로그인 비활성화
                .csrf(AbstractHttpConfigurer::disable) // CSRF 보호 비활성화
                .sessionManagement(session ->
                        session.sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                )
                .authorizeHttpRequests(auth -> auth
                        .requestMatchers("/auth/**").permitAll() // 인증 없이 접근 허용
                        .requestMatchers("/admin/**").hasRole("ADMIN") // ADMIN만 접근 허용
                        .anyRequest().authenticated() // 그 외 모든 요청 인증 필요
                )
                .addFilterBefore(jwtFilter, UsernamePasswordAuthenticationFilter.class) // JWT 필터 삽입
                .build(); // SecurityFilterChain 반환
    }
}