SecurityConfig.java

package api.configs;

import org.springframework.beans.factory.annotation.Autowired;
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.crypto.password.PasswordEncoder;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

import api.components.TokenFilter;
import jakarta.servlet.http.HttpServletResponse;

/**
 * {@link SecurityConfig}.
 */
@Configuration
@EnableWebSecurity
@EnableMethodSecurity
public class SecurityConfig {
    @Autowired
    TokenFilter tokenFilter;

    /**
     * securityFilterChain.
     *
     * @param http HttpSecurity
     * @return {@link SecurityFilterChain}
     * @throws Exception ex
     */
    @Bean
    public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
        http
            .csrf(csrf -> csrf.disable())
            .sessionManagement(httpSecuritySessionManagementConfigurer ->
                httpSecuritySessionManagementConfigurer.sessionCreationPolicy(SessionCreationPolicy.STATELESS)
            )
            .authorizeHttpRequests((requests) -> requests
                .requestMatchers("/").permitAll()
                .requestMatchers("/v3/**").permitAll()
                .requestMatchers("/actuator/**").permitAll()
                .requestMatchers("/authenticate/**").permitAll()
                .anyRequest().authenticated()
            )
            .httpBasic(basic -> basic.authenticationEntryPoint((request, response, authException) ->
                response.sendError(HttpServletResponse.SC_UNAUTHORIZED, authException.getMessage())))
            .addFilterBefore(tokenFilter, UsernamePasswordAuthenticationFilter.class);

        return http.build();
    }

    /**
     * passwordEncoder.
     *
     * @return {@link PasswordEncoder}
     */
    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    /**
     * authenticationManager.
     *
     * @param config AuthenticationConfiguration
     * @return {@link AuthenticationManager}
     * @throws Exception ex
     */
    @Bean
    public AuthenticationManager authenticationManager(AuthenticationConfiguration config) throws Exception {
        return config.getAuthenticationManager();
    }
}