package com.cloud.user.config;

//import feign.RequestInterceptor;
//import feign.RequestTemplate;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
/*import org.springframework.security.oauth2.common.OAuth2AccessToken;
import org.springframework.security.oauth2.provider.OAuth2Authentication;
import org.springframework.security.oauth2.provider.authentication.OAuth2AuthenticationDetails;*/

/**
 * 使用feign client访问别的微服务时，将access_token放入参数或者header<br>
 * 任选其一即可，<br>
 * 如token为xxx<br>
 * 参数形式就是access_token=xxx<br>
 * header的话，是Authorization:Bearer xxx<br>
 * 我们默认放在header里
 * 
 * @author bsk
 *
 */
//@Configuration
public class FeignInterceptorConfig {

//	@Bean
//	public RequestInterceptor requestInterceptor() {
//		RequestInterceptor requestInterceptor = new RequestInterceptor() {
//
//			@Override
//			public void apply(RequestTemplate template) {
//				Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
//				if (authentication != null) {
//					if (authentication instanceof OAuth2Authentication) {
//						OAuth2AuthenticationDetails details = (OAuth2AuthenticationDetails) authentication.getDetails();
//						String access_token = details.getTokenValue();
//
//						template.header("Authorization", OAuth2AccessToken.BEARER_TYPE + " " + access_token);
////						template.query(OAuth2AccessToken.ACCESS_TOKEN, access_token);
//					}
//
//				}
//			}
//		};
//
//		return requestInterceptor;
//	}
}