使用RestTemplate访问HTTPS协议接口

转载：https://pragmaticintegrator.wordpress.com/2017/08/13/small-hack-to-avoid-ssl-validation-in-spring-resttemplate/

package com.web.servelet;

import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.ssl.TrustStrategy;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;

import javax.net.ssl.SSLContext;
import java.security.cert.X509Certificate;


public class test2 {

    public  static RestTemplate restTemplate1() throws Exception {
        TrustStrategy acceptingTrustStrategy = (X509Certificate[] chain, String authType) -> true;

//        TrustStrategy acceptingTrustStrategy= new TrustStrategy() {
//            @Override
//            public boolean isTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
//                return true;
//            }
//        };

        SSLContext sslContext = org.apache.http.ssl.SSLContexts.custom()
                .loadTrustMaterial(null, acceptingTrustStrategy)
                .build();

        SSLConnectionSocketFactory csf = new SSLConnectionSocketFactory(sslContext);

        CloseableHttpClient httpClient = HttpClients.custom()
                .setSSLSocketFactory(csf)
                .build();

        HttpComponentsClientHttpRequestFactory requestFactory =
                new HttpComponentsClientHttpRequestFactory();

        requestFactory.setHttpClient(httpClient);
        RestTemplate restTemplate = new RestTemplate(requestFactory);
        return restTemplate;
    }
}