使用Spring RestTemplate绕过主机验证实现HTTPS Rest api

import org.apache.http.conn.ssl.NoopHostnameVerifier;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustManagerBuilder;
import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
import org.springframework.web.client.RestTemplate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

public class Main {
    public static void main(String[] args) throws NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
        // 创建自定义的SSL上下文，绕过主机验证
        SSLContext sslContext = SSLContext.getInstance("TLS");
        TrustManager[] trustManagers = new TrustManager[]{new X509TrustManager() {
            @Override
            public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
            }

            @Override
            public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
                // 绕过主机验证，始终返回true
            }

            @Override
            public X509Certificate[] getAcceptedIssuers() {
                return null;
            }
        }};
        sslContext.init(null, trustManagers, null);

        // 创建SSL连接套接字工厂，并注册到HttpClient中
        SSLConnectionSocketFactory sslSocketFactory = new SSLConnectionSocketFactory(sslContext, NoopHostnameVerifier.INSTANCE);
        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(sslSocketFactory).build();

        // 创建HttpComponentsClientHttpRequestFactory，并设置为RestTemplate的请求工厂
        HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory(httpClient);
        RestTemplate restTemplate = new RestTemplateBuilder().requestFactory(() -> requestFactory).build();

        // 使用RestTemplate发送HTTPS请求
        String url = "https://example.com/api";
        String response = restTemplate.getForObject(url, String.class);
        System.out.println(response);
    }
}