/*
 * Copyright (c) 2020 yifu4cloud Authors. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.yifu.cloud.plus.v1.yifu.common.security.component;

import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
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.ResourceServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.RemoteTokenServices;
import org.springframework.security.oauth2.provider.token.ResourceServerTokenServices;

/**
 * @author lengleng
 * @date 2019/03/08
 *
 * <p>
 * 1. 支持remoteTokenServices 负载均衡 2. 支持 获取用户全部信息 3. 接口对外暴露，不校验 Authentication Header 头
 */
@Slf4j
public class YifuResourceServerConfigurerAdapter extends ResourceServerConfigurerAdapter {

	@Autowired
	protected ResourceAuthExceptionEntryPoint resourceAuthExceptionEntryPoint;

	@Autowired
	protected RemoteTokenServices remoteTokenServices;

	@Autowired
	private PermitAllUrlProperties permitAllUrl;

	@Autowired
	private YifuBearerTokenExtractor yifuBearerTokenExtractor;

	@Autowired
	private ResourceServerTokenServices resourceServerTokenServices;

	/**
	 * 默认的配置，对外暴露
	 * @param httpSecurity
	 */
	@Override
	@SneakyThrows
	public void configure(HttpSecurity httpSecurity) {
		// 允许使用iframe 嵌套，避免swagger-ui 不被加载的问题
		httpSecurity.headers().frameOptions().disable();
		ExpressionUrlAuthorizationConfigurer<HttpSecurity>.ExpressionInterceptUrlRegistry registry = httpSecurity
				.authorizeRequests();
		permitAllUrl.getUrls().forEach(url -> registry.antMatchers(url).permitAll());
		//  “/user/getInfoByUsername"  URL 访问放行
		registry.and()
				.authorizeRequests().antMatchers("/user/getInfoByUsername","/api/**","/api-docs/**").permitAll()
				.anyRequest().authenticated().and().csrf().disable();
	}

	@Override
	public void configure(ResourceServerSecurityConfigurer resources) {
		resources.authenticationEntryPoint(resourceAuthExceptionEntryPoint).tokenExtractor(yifuBearerTokenExtractor)
				.tokenServices(resourceServerTokenServices);
	}

}
