BasicAuthSecurityConfig.java

package io.api.oauth2;

import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.Customizer;
import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
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.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.authentication.www.BasicAuthenticationFilter;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.CorsConfigurationSource;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;

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

    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
        http
                .cors(cors -> cors.configurationSource(corsConfigurationSource()))
                .csrf(AbstractHttpConfigurer::disable)
                .httpBasic(Customizer.withDefaults())  // Basic 인증 활성화
                .sessionManagement(session -> session
                    .sessionCreationPolicy(SessionCreationPolicy.STATELESS))
                .authorizeHttpRequests(authorize -> authorize
                        .requestMatchers("/api/v1/auth/register").permitAll()  // 회원가입은 인증 불필요
                        .requestMatchers("/api/v1/auth/login").authenticated()  // 로그인은 Basic 인증 필요
                        .requestMatchers("/api/v1/user/**").authenticated()  // 프로필 조회는 인증 필요
                        .anyRequest().authenticated()
                )
                // JWT 필터 추가 (Bearer 토큰 처리)
                .addFilterBefore(basicAuthLoggingFilter(), BasicAuthenticationFilter.class)
                .addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);
        
        return http.build();
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }
    
    @Bean
    public AuthenticationManager authenticationManager(AuthenticationConfiguration config) throws Exception {
        return config.getAuthenticationManager();
    }

    @Bean
    public BasicAuthLoggingFilter basicAuthLoggingFilter() {
        return new BasicAuthLoggingFilter();
    }

    @Bean
    protected CorsConfigurationSource corsConfigurationSource() {
        CorsConfiguration configuration = new CorsConfiguration();
        configuration.addAllowedOrigin("*");
        configuration.addAllowedHeader("*");
        configuration.addAllowedMethod("*");

        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", configuration);

        return source;
    }
}