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/*
 *    Copyright (c) 2018-2025, lengleng All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * Neither the name of the pig4cloud.com developer nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * Author: lengleng ([email protected])
 */

package com.pig4cloud.pigx.common.security.component;

import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.AllNestedConditions;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.security.oauth2.OAuth2AutoConfiguration;
import org.springframework.cloud.security.oauth2.client.AccessTokenContextRelay;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.oauth2.client.OAuth2ClientContext;
import org.springframework.security.oauth2.config.annotation.web.configuration.OAuth2ClientConfiguration;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfiguration;

import java.lang.annotation.*;

/**
 * @author lengleng
 * @date 2019/4/14
 * 注入AccessTokenContextRelay 解决feign 传递token 为空问题
 */
@Configuration
@AutoConfigureAfter(OAuth2AutoConfiguration.class)
@ConditionalOnWebApplication
@ConditionalOnProperty("security.oauth2.client.client-id")
public class PigxResourceServerTokenRelayAutoConfiguration {

	@Bean
	public AccessTokenContextRelay accessTokenContextRelay(OAuth2ClientContext context) {
		return new AccessTokenContextRelay(context);
	}

	@Target({ElementType.TYPE, ElementType.METHOD})
	@Retention(RetentionPolicy.RUNTIME)
	@Documented
	@Conditional(OAuth2OnClientInResourceServerCondition.class)
	@interface ConditionalOnOAuth2ClientInResourceServer {

	}

	private static class OAuth2OnClientInResourceServerCondition
		extends AllNestedConditions {

		public OAuth2OnClientInResourceServerCondition() {
			super(ConfigurationPhase.REGISTER_BEAN);
		}

		@ConditionalOnBean(ResourceServerConfiguration.class)
		static class Server {
		}

		@ConditionalOnBean(OAuth2ClientConfiguration.class)
		static class Client {
		}

	}
}




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