package com.mes.common.config;


import com.mes.common.filter.JwtAuthenticationTokenFilter;
import com.mes.common.handler.*;
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.method.configuration.EnableGlobalMethodSecurity;
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.configuration.WebSecurityConfigurerAdapter;
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.authentication.UsernamePasswordAuthenticationFilter;

@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class TokenWebSecurityConfig extends WebSecurityConfigurerAdapter {
    @Autowired
    private JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;
    @Autowired
    LoginFailureHandler loginFailureHandler;

    @Autowired
    LoginSuccessHandler loginSuccessHandler;

    @Autowired
    JwtAuthenticationEntryPoint jwtAuthenticationEntryPoint;

    @Autowired
    JwtAccessDeniedHandler jwtAccessDeniedHandler;

    @Autowired
    JwtLogoutSuccessHandler jwtLogoutSuccessHandler;

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

    /**
     * 配置过滤规则
     */
    @Override
    protected void configure(HttpSecurity http) throws Exception {

        http.cors().and().csrf().disable()

                // 登录配置
                .formLogin()
                .successHandler(loginSuccessHandler)
                .failureHandler(loginFailureHandler)

                .and()
                .logout()
                .logoutSuccessHandler(jwtLogoutSuccessHandler)

                // 禁用session
                .and()
                .sessionManagement()
                .sessionCreationPolicy(SessionCreationPolicy.STATELESS)

                // 配置拦截规则
                .and()
                .authorizeRequests()
                .antMatchers("/sys/user/login").anonymous()
                .antMatchers("/swagger-ui.html").permitAll()
                .antMatchers("/webjars/**").permitAll()
                .antMatchers("/v2/**").permitAll()
                .antMatchers("/swagger-resources/**").permitAll()
                .antMatchers("/**").permitAll()
                .anyRequest().authenticated()

                // 异常处理器
                .and()
                .exceptionHandling()
                .authenticationEntryPoint(jwtAuthenticationEntryPoint)
                .accessDeniedHandler(jwtAccessDeniedHandler)

                // 配置自定义的过滤器
                .and()
                .addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
    }

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