@Configuration
@ComponentScan(value="com.spring.loja")
@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private UserDetailsService userDetailsService;

    @Autowired
    private SocialUserDetailsService socialUserDetailsService;

    @Autowired
    private PasswordEncoder passwordEncoder;

    @Override
    public void configure(WebSecurity web) throws Exception {
        DefaultWebSecurityExpressionHandler handler = new DefaultWebSecurityExpressionHandler();
        handler.setPermissionEvaluator(new CustomPermissionEvaluator());
        web.expressionHandler(handler);
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
            .csrf()
                .disable()
            .authorizeRequests()
                .antMatchers("/resources/**", "/erro/**", "/categoria/**", "/produto/**", "/**").permitAll()
                .anyRequest().authenticated()
                .and()
            .formLogin()
                .loginPage("/entrar").permitAll()
                .loginProcessingUrl("/login").permitAll()
                .usernameParameter("login")
                .passwordParameter("senha")
                .defaultSuccessUrl("/admin")
                .failureUrl("/entrar?erro=login").permitAll()
                .and()
            .exceptionHandling()
                .accessDeniedPage("/erro/403")
                .and()
            .logout()
                .logoutUrl("/logout")
                .logoutSuccessUrl("/").permitAll()
                .and()
            .apply(new SpringSocialConfigurer());
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth
            .userDetailsService(userDetailsService)
            .passwordEncoder(passwordEncoder);
    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

}