package com.fzzy.conf;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.client.ClientHttpRequestFactory;
import org.springframework.http.client.SimpleClientHttpRequestFactory;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.web.client.RestTemplate;

import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.nio.charset.StandardCharsets;
import java.security.NoSuchAlgorithmException;

/**
 * RestTemplate的配置，SpringBoot封装的HTTP协议，GET和POST请求方法
 * 
 * @author Andy
 *
 */
@Configuration
public class RestTemplateConfig {

	@Bean
	public RestTemplate restTemplate(ClientHttpRequestFactory factory) throws Exception {
		RestTemplate restTemplate = new RestTemplate(factory);
		// 禁用SSL证书验证
		TrustManager[] trustAllCerts = new TrustManager[]{new X509TrustManager() {
			@Override
			public java.security.cert.X509Certificate[] getAcceptedIssuers() {
				return null;
			}

			@Override
			public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) {
			}

			@Override
			public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) {
			}
		}};

		// 创建SSLContext，使用禁用SSL证书验证的TrustManager
		SSLContext sslContext = SSLContext.getInstance("SSL");
		sslContext.init(null, trustAllCerts, new java.security.SecureRandom());

		// 设置全局默认的SSLSocketFactory，使RestTemplate使用禁用SSL证书验证的SSLContext
		HttpsURLConnection.setDefaultSSLSocketFactory(sslContext.getSocketFactory());
		restTemplate.getMessageConverters().set(1,new StringHttpMessageConverter(StandardCharsets.UTF_8));
		return restTemplate;
	}

	@Bean
	public ClientHttpRequestFactory simpleClientHttpRequestFactory() {
		SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();
		factory.setConnectTimeout(15000);// 设置连接超时，单位毫秒
		factory.setReadTimeout(15000);//设置读取超时
		return factory;
	}
}