package com.example.test.utils;

import javax.net.ssl.*;
import java.security.KeyStore;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import java.util.Arrays;

public class SSLSocketClient {

    /**
     * 獲取這個SSLSocketFactory
     * */
    public static SSLSocketFactory getSSLSocketFactory() {
        
 
try {
            SSLContext sslContext = SSLContext.getInstance("SSL");
            sslContext.init(null, getTrustManager(), new SecureRandom());
            return sslContext.getSocketFactory();
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 獲取TrustManager
     * 
 
*/
    private static TrustManager[] getTrustManager() {
        return new TrustManager[]{
                new X509TrustManager() {
                    @Override
                    public void checkClientTrusted(X509Certificate[] chain, String authType) {
                    }

                    @Override
                    
 
public void checkServerTrusted(X509Certificate[] chain, String authType) {
                    }

                    @Override
                    public X509Certificate[] getAcceptedIssuers() {
                        return new X509Certificate[]{};
                    }
                }
        };
    }

    /**
     * 獲取HostnameVerifier
     * */
    public static HostnameVerifier getHostnameVerifier() {
        return (s, sslSession) -> true;
    }

    public static X509TrustManager getX509TrustManager() {
        X509TrustManager trustManager = null;
        try {
            TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
            trustManagerFactory.init((KeyStore) null);
            TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();
            if (trustManagers.length != 1 || !(trustManagers[0] instanceof X509TrustManager)) {
                throw new IllegalStateException("Unexpected default trust managers:" + Arrays.toString(trustManagers));
            }
            trustManager = (X509TrustManager) trustManagers[0];
        } catch (Exception e) {
            e.printStackTrace();
        }

        return trustManager;
    }

}

呼叫

public static HashMap httpPost(String url, HashMap<String, Object> data, String token) throws IOException {
        HashMap<String, Object> result = new HashMap<>();
        if ("".equals(url)) {
            return result;
        }
        OkHttpClient client = new OkHttpClient.Builder()
                .readTimeout(60, TimeUnit.SECONDS)
                .connectTimeout(60, TimeUnit.SECONDS)
                .sslSocketFactory(SSLSocketClient.getSSLSocketFactory(), SSLSocketClient.getX509TrustManager())
                .hostnameVerifier(SSLSocketClient.getHostnameVerifier())
                .build();

        MediaType mediaType = MediaType.parse("application/json;charset=utf8");
        RequestBody body = RequestBody.create(mediaType, JSON.toJSONString(data));
        Request request = new Request.Builder()
                .url(url)
                .post(body)
                .addHeader("content-type", "application/json")
                .addHeader("X-Auth-Token", token)
                .build();
        Response response = client.newCall(request).execute();
        String responseData = response.body().string();
        String getToken = response.header("X-Subject-Token");
        HashMap res = JSON.parseObject(responseData, HashMap.class);
        result.put("token", getToken);
        result.put("res", res);
        return result;
    }