package com.ruoyi.common.security.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.security.oauth2.OAuth2ClientProperties;
import org.springframework.boot.autoconfigure.security.oauth2.resource.ResourceServerProperties;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configurers.ExpressionUrlAuthorizationConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.DefaultAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.RemoteTokenServices;
import org.springframework.security.oauth2.provider.token.ResourceServerTokenServices;
import org.springframework.security.oauth2.provider.token.UserAuthenticationConverter;
import org.springframework.web.client.DefaultResponseErrorHandler;
import org.springframework.web.client.RestTemplate;

/**
 * oauth2 服务配置
 * 
 * @author ruoyi
 */
@Configuration
@EnableResourceServer
public class ResourceServerConfig extends ResourceServerConfigurerAdapter
{
    @Autowired
    private ResourceServerProperties resourceServerProperties;

    @Autowired
    private OAuth2ClientProperties oAuth2ClientProperties;

    @Bean
    public AuthIgnoreConfig authIgnoreConfig()
    {
        return new AuthIgnoreConfig();
    }

    @Bean
    @LoadBalanced
    public RestTemplate restTemplate()
    {
        RestTemplate restTemplate = new RestTemplate();
        restTemplate.setErrorHandler(new DefaultResponseErrorHandler());
        return restTemplate;
    }

    @Bean
    public ResourceServerTokenServices tokenServices()
    {
        RemoteTokenServices remoteTokenServices = new RemoteTokenServices();
        DefaultAccessTokenConverter accessTokenConverter = new DefaultAccessTokenConverter();
        UserAuthenticationConverter userTokenConverter = new CommonUserConverter();
        accessTokenConverter.setUserTokenConverter(userTokenConverter);
        remoteTokenServices.setCheckTokenEndpointUrl(resourceServerProperties.getTokenInfoUri());
        remoteTokenServices.setClientId(oAuth2ClientProperties.getClientId());
        remoteTokenServices.setClientSecret(oAuth2ClientProperties.getClientSecret());
        remoteTokenServices.setRestTemplate(restTemplate());
        remoteTokenServices.setAccessTokenConverter(accessTokenConverter);
        return remoteTokenServices;
    }

    @Override
    public void configure(HttpSecurity http) throws Exception
    {
        http.csrf().disable();
        ExpressionUrlAuthorizationConfigurer<HttpSecurity>.ExpressionInterceptUrlRegistry registry = http
                .authorizeRequests();
        // 不登录可以访问
        authIgnoreConfig().getUrls().forEach(url -> registry.antMatchers(url).permitAll());
        registry.anyRequest().authenticated();
    }

    @Override
    public void configure(ResourceServerSecurityConfigurer resources)
    {
        resources.tokenServices(tokenServices());
    }
}