SecurityConfig.java

package org.openpodcastapi.opa.config;

import lombok.RequiredArgsConstructor;
import org.openpodcastapi.opa.auth.JwtAccessDeniedHandler;
import org.openpodcastapi.opa.auth.JwtAuthenticationEntryPoint;
import org.openpodcastapi.opa.auth.JwtAuthenticationFilter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
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.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

@Configuration
@EnableWebSecurity
@RequiredArgsConstructor
@EnableMethodSecurity
public class SecurityConfig {

    private final JwtAuthenticationFilter jwtAuthenticationFilter;
    private final JwtAuthenticationEntryPoint jwtAuthenticationEntryPoint;
    private final JwtAccessDeniedHandler jwtAccessDeniedHandler;

    private final String[] publicPages = {
            "/",
            "/login",
            "/logout-confirm",
            "/register",
            "/docs",
            "/docs/**",
            "/css/**",
            "/js/**",
            "/images/**",
            "/favicon.ico",
    };

    private final String[] publicEndpoints = {
            "/api/auth/**"
    };

    @Bean
    public SecurityFilterChain defaultSecurityFilterChain(HttpSecurity http) throws Exception {
        http
                .csrf(csrf -> csrf.ignoringRequestMatchers("/api/**", "/docs", "/docs/**"))
                .sessionManagement(sm -> sm
                        .sessionCreationPolicy(SessionCreationPolicy.ALWAYS))
                .authorizeHttpRequests(auth -> auth
                        .requestMatchers(publicPages).permitAll()
                        .requestMatchers(publicEndpoints).permitAll()
                        .requestMatchers("/api/v1/**").authenticated()
                        .anyRequest().authenticated())
                .addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class)
                .exceptionHandling(exception -> exception
                        .authenticationEntryPoint(jwtAuthenticationEntryPoint)
                        .accessDeniedHandler(jwtAccessDeniedHandler))
                .formLogin(login -> login
                        .loginPage("/login")
                        .defaultSuccessUrl("/home", true)
                        .failureUrl("/login?error=true"))
                .logout(logout -> logout
                        .logoutUrl("/logout")
                        .logoutSuccessUrl("/")
                        .invalidateHttpSession(true)
                        .clearAuthentication(true)
                        .deleteCookies("JSESSIONID"));
        return http.build();
    }

    @Bean
    public BCryptPasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

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