package com.forezp.config;


import com.forezp.service.UserServiceDetail;
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.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.AuthenticationEntryPoint;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * Created by fangzhipeng on 2017/5/27.
 */

@Configuration
class WebSecurityConfig extends WebSecurityConfigurerAdapter {

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

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        //CSRF:因为不再依赖于Cookie，所以你就不需要考虑对CSRF（跨站请求伪造）的防范。
        http
            .csrf().disable()
                .exceptionHandling()
               // .authenticationEntryPoint((request, response, authException) -> response.sendError(HttpServletResponse.SC_UNAUTHORIZED))
                .authenticationEntryPoint(new AuthenticationEntryPoint() {
                    @Override
                    public void commence(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, AuthenticationException e) throws IOException, ServletException {
                        httpServletResponse.sendError(HttpServletResponse.SC_UNAUTHORIZED);
                    }
                })
                .and()
                .authorizeRequests()
                .antMatchers("/**").authenticated()
            .and()
                .httpBasic();
    }

    @Autowired
    UserServiceDetail userServiceDetail;
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userServiceDetail)
                .passwordEncoder(new BCryptPasswordEncoder());
    }
}
