src/main/java/com/example/g8backend/config/SecurityConfig.java

package com.example.g8backend.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import com.example.g8backend.filter.JwtAuthenticationFilter;
import org.springframework.security.authentication.AuthenticationManager;
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.configurers.AbstractHttpConfigurer;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;


@Configuration
@EnableWebSecurity
public class SecurityConfig {
    @Bean
    public BCryptPasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    private final JwtAuthenticationFilter jwtAuthenticationFilter;

    public SecurityConfig(JwtAuthenticationFilter jwtAuthenticationFilter) {
        this.jwtAuthenticationFilter = jwtAuthenticationFilter;
    }

    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
        return http
            .csrf(AbstractHttpConfigurer::disable)
            .addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class)
            .build();
    }

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