package com.dhcc.finance.config;

import java.io.IOException;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.security.oauth2.resource.ResourceServerProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.security.oauth2.provider.token.DefaultTokenServices;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.store.JwtTokenStore;
import org.springframework.util.FileCopyUtils;

import com.dhcc.common.constant.SysConstants;

@Configuration
public class JwtConfig {
	
    @Autowired
    ResourceServerProperties resourceServerProperties;
    
    /**
     * 
     * @Title: jwtAccessTokenConverter
     * @Description: 资源服务器JwtAccessToken转换器，从本地拉取公钥
     * @return JwtAccessTokenConverter
     * @author chenrui
     * @date 2019年9月14日 下午9:22:41
     * @modifyLog：
     */
    @Bean
    public JwtAccessTokenConverter jwtAccessTokenConverter() {
    	JwtAccessTokenConverter converter = new JwtAccessTokenConverter();
        Resource resource =  new ClassPathResource(SysConstants.JwtConfig.JWT_PUBLICKEY_CER);

        String publicKey;
        try {
            publicKey = new String(FileCopyUtils.copyToByteArray(resource.getInputStream()));
        }catch (IOException e) {
            throw new RuntimeException(e);
        }
        converter.setVerifierKey(publicKey); // 设置公钥
        return converter;
    }
	
    /**
     * 
     * @Title: tokenStore
     * @Description: 资源服务器token仓库
     * @param jwtAccessTokenConverter
     * @return TokenStore
     * @author chenrui
     * @date 2019年9月14日 下午9:24:29
     * @modifyLog：
     */
    @Bean
    public TokenStore jwtTokenStore(JwtAccessTokenConverter jwtAccessTokenConverter) {
        return new JwtTokenStore(jwtAccessTokenConverter);
    }
   
    /**
     * 
     * @Title: jwtTokenServices
     * @Description: 
     * @param jwtTokenStore
     * @return DefaultTokenServices
     * @author chenrui
     * @date 2019年9月16日 下午2:05:47
     * @modifyLog：
     */
    @Bean
	public DefaultTokenServices jwtTokenServices(TokenStore jwtTokenStore) {
		DefaultTokenServices services = new DefaultTokenServices();
		services.setTokenStore(jwtTokenStore);
		return services;
	}
    
}