HttpClient忽略SSL证书

今天公司项目请求一个接口地址是ip格式的，如：https://120.20.xx.xxx/xx/xx，报一个SSL的错：

由于之前请求的接口地址都是域名地址，如：https://www.xxx.com/xxx/xxx，

借鉴博客：https://blog.csdn.net/qq173684423/article/details/53420695

使用HttpClient工具，忽略SSL认证代码如下：

package com.saoptest.dhl;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.xml.bind.DatatypeConverter;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.ParseException;
import org.apache.http.StatusLine;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import com.alibaba.fastjson.JSONObject;

/**
 *
 * @Description: 测试欧洲国家DHL接口
 * @author: xxxx
 * @date: 2019年10月28日下午2:48:21
 */
public class DhlTest04EU {

    //测试欧洲国家DHL接口

    private static int socketTimeout = ;// 请求超时时间
    private static int connectTimeout = ;// 传输超时时间

    public static void main(String[] args) throws Exception  {

        String url = ""; //请求地址

        try{

            //==========1、发送get请求获取token
//            url = "xxxxxx"; //请求地址
            url = "http://xxxxx"; //请求地址

//            String resultStr = doGetHttpClient(url);
            String resultStr = testGetNoSSL(url); //get请求(忽略SSL证书)，获取结果

            JSONObject jsonObj = JSONObject.parseObject(resultStr);
            String accessToken = jsonObj.getString("access_token");
            System.out.println("拿到token：" + accessToken);

            //==========2、拿到token后，发送token和订单参数
            url = "https://xxxxxxx";

            //获取这个类的路径path,参数有几十个字段，所以测试写死的放入文件里了
//            String path = "E:/dhl04.txt";
            String path = "E:/dhl05Str.txt";

            //path + "struts.xml"，就是类路径下的struts.xml这个文件了
            BufferedReader br = new BufferedReader(new FileReader(new File(path)));
            String s = "";
            String param = "";

            //定义一个变量s，让s等于br去读一行。
            while((s = br.readLine()) != null){
                //System.out.println(s);
                param += s;
            }
            System.out.println("========请求参数========================");
            System.out.println(param);

            String resultXml = testPostNoSSL(url, param, accessToken);
            System.out.println("\n返回结果：\n" + resultXml);

        } catch(Exception ee){

            System.out.println("错误===========" + ee);
        }

    }

    /**
     * 使用SOAP1.2发送消息
     *
     * @param postUrl
     * @param soapXml
     * @param soapAction
     * @return
     */
    public static String doPostSoap1_3(String postUrl, String soapXml,String token) {

        String retStr = "";

        try {

//            CredentialsProvider provider = new BasicCredentialsProvider();
//            UsernamePasswordCredentials credentials = new UsernamePasswordCredentials("ectms", "Zoot123!");
//            provider.setCredentials(AuthScope.ANY, credentials);
//            //创建HttpClientBuilder
//            HttpClientBuilder httpClientBuilder = HttpClientBuilder.create().setDefaultCredentialsProvider(provider);
//
//
//
//
//            // HttpClient
//            CloseableHttpClient httpclient = httpClientBuilder.setRedirectStrategy(new LaxRedirectStrategy()).build();
//            CloseableHttpClient closeableHttpClient = httpClientBuilder.build();
//            1、创建httpClient
            CloseableHttpClient httpclient = HttpClients.createDefault();

            HttpPost httpPost = new HttpPost(postUrl);

　　　　　　　　//头部添加token
            httpPost.setHeader("Authorization", "Bearer " +token);

            // 设置请求和传输超时时间
            RequestConfig requestConfig = RequestConfig.custom()
            .setSocketTimeout(socketTimeout)
            .setConnectTimeout(connectTimeout).build();

            httpPost.setConfig(requestConfig);

            httpPost.setHeader("Content-Type","application/json;charset=UTF-8");
//            httpPost.setHeader("SOAPAction", soapAction);

            StringEntity data = new StringEntity(soapXml,
            Charset.forName("UTF-8"));
            httpPost.setEntity(data);
            CloseableHttpResponse response = httpclient.execute(httpPost);

            HttpEntity httpEntity = response.getEntity();
            if (httpEntity != null) {
            // 打印响应内容
            retStr = EntityUtils.toString(httpEntity, "UTF-8");
            }
            // 释放资源
            httpclient.close();

        } catch (Exception e) {
            System.out.println("请求失败：/n" + e);
        }
            return retStr;
    }

    public static String doGetHttpClient(String url) throws ParseException, IOException{
//        String path = "http://xxx";
        String path = url;//请求的url地址

        String resultStr = "";

        //1.创建客户端访问服务器的httpclient对象   打开浏览器
//        1、创建httpClient
        CloseableHttpClient httpclient = HttpClients.createDefault();
        //2.以请求的连接地址创建get请求对象     浏览器中输入网址
        HttpGet httpget = new HttpGet(path);

        //username:password--->访问的用户名，密码,并使用base64进行加密，将加密的字节信息转化为string类型，encoding--->token
        String encoding = DatatypeConverter.printBase64Binary("xxx:xxx".getBytes("UTF-8"));

        httpget.setHeader("Authorization", "Basic " +encoding);
        //3.向服务器端发送请求 并且获取响应对象  浏览器中输入网址点击回车
        HttpResponse response = httpclient.execute(httpget);
        //4.获取响应对象中的响应码
        StatusLine statusLine = response.getStatusLine();//获取请求对象中的响应行对象
        int responseCode = statusLine.getStatusCode();//从状态行中获取状态码

        System.out.println(responseCode);
        if (responseCode == ) {
            //5.  可以接收和发送消息
            HttpEntity entity = response.getEntity();
            //6.从消息载体对象中获取操作的读取流对象
            InputStream input = entity.getContent();
            BufferedReader br = new BufferedReader(new InputStreamReader(input));
            String str1 = br.readLine();
            String result = new String(str1.getBytes("gbk"), "utf-8");
            System.out.println("服务器的响应结果:" + result);
            resultStr = result;
            br.close();
            input.close();
         // 释放资源
            httpclient.close();
        } else {
            System.out.println("响应失败!");
        }

        return resultStr;
    }

    //=========================忽略SSL证书的POST, GET请求======================================

    public static String testPostNoSSL(String postUrl, String paramJson,String token) {
        String resultStr = "";  //返回结果
        try {

//            1、创建httpClient
//            CloseableHttpClient httpClient = HttpClients.createDefault();
            CloseableHttpClient buildSSLCloseableHttpClient = buildSSLCloseableHttpClient();

            System.setProperty("jsse.enableSNIExtension", "false");
            HttpPost httpPost = new HttpPost(postUrl);

            httpPost.setHeader("Authorization", "Bearer " +token);

            // 设置请求和传输超时时间
            RequestConfig requestConfig = RequestConfig.custom()
            .setSocketTimeout(socketTimeout)
            .setConnectTimeout(connectTimeout).build();

            httpPost.setConfig(requestConfig);

            httpPost.setHeader("Content-Type","application/json;charset=UTF-8");

            //放入请求参数
            StringEntity data = new StringEntity(paramJson,Charset.forName("UTF-8"));
            httpPost.setEntity(data);
            //发送请求，接收结果
            CloseableHttpResponse response = buildSSLCloseableHttpClient.execute(httpPost);

            //4.获取响应对象中的响应码
            StatusLine statusLine = response.getStatusLine();//获取请求对象中的响应行对象
            int responseCode = statusLine.getStatusCode();//从状态行中获取状态码

            System.out.println(responseCode);

            if (responseCode == ) {
                // 打印响应内容
                resultStr = EntityUtils.toString(response.getEntity(), "UTF-8");

                //5.  可以接收和发送消息
                HttpEntity entity = response.getEntity();
                //6.从消息载体对象中获取操作的读取流对象
                InputStream input = entity.getContent();

            } else {
                System.out.println("响应失败! : " + response.toString());
            }
            buildSSLCloseableHttpClient.close();

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return resultStr;
    }

    /**
     *
     * @Description: 忽略SSL证书的get请求
     * @author: zhouruntao
     * @date: 2019年11月14日上午10:57:31
     */
    public static String testGetNoSSL(String url){
        String resultStr = "";//返回结果

        try {
            CloseableHttpClient buildSSLCloseableHttpClient = buildSSLCloseableHttpClient();
            System.setProperty("jsse.enableSNIExtension", "false");
            HttpGet httpGet = new HttpGet(url);

             //username:password--->访问的用户名，密码,并使用base64进行加密，将加密的字节信息转化为string类型，encoding--->token
            String encoding = DatatypeConverter.printBase64Binary("ed800cb6-f012-478a-ad94-e095adb74677:9c1f4563-589e-4494-a182-3f1c4b321c29".getBytes("UTF-8"));

//            httpget.setHeader("username", "ed800cb6-f012-478a-ad94-e095adb74677");
//            httpget.setHeader("password", "9c1f4563-589e-4494-a182-3f1c4b321c29");
            httpGet.setHeader("Authorization", "Basic " +encoding);

            HttpResponse response = buildSSLCloseableHttpClient.execute(httpGet);
            //4.获取响应对象中的响应码
            StatusLine statusLine = response.getStatusLine();//获取请求对象中的响应行对象
            int responseCode = statusLine.getStatusCode();//从状态行中获取状态码

            System.out.println(responseCode);
            if (responseCode == ) {

                //5.  可以接收和发送消息
                HttpEntity entity = response.getEntity();
                //6.从消息载体对象中获取操作的读取流对象
                InputStream input = entity.getContent();
                BufferedReader br = new BufferedReader(new InputStreamReader(input));
                String str1 = br.readLine();
                String result = new String(str1.getBytes("gbk"), "utf-8");
                System.out.println("服务器的响应结果:" + result);
                resultStr = result;
                br.close();
                input.close();
             // 释放资源
                buildSSLCloseableHttpClient.close();
            }

        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return resultStr;

    }

    /**
     * ============忽略证书
     */
    private static CloseableHttpClient buildSSLCloseableHttpClient()
            throws Exception {
        SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null,
                new TrustStrategy() {
                    // 信任所有
                    @Override
                    public boolean isTrusted(X509Certificate[] chain,
                            String authType) throws CertificateException {
                        return true;
                    }
                }).build();
        // ALLOW_ALL_HOSTNAME_VERIFIER:这个主机名验证器基本上是关闭主机名验证的,实现的是一个空操作，并且不会抛出javax.net.ssl.SSLException异常。
        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(
                sslContext, new String[] { "TLSv1" }, null,
                SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
        return HttpClients.custom().setSSLSocketFactory(sslsf).build();
    }

}