http升级https改造方案

一、解决方案

1、httpClient请求https版蓝鲸接口

（1）、原理

https与http最大的区别在于SSL加密传输协议的使用。在自己写的JAVA HttpClient程序，想手动验证证书，可以在客户端绕过验证服务器证书的步骤，即则需要实现空的X509TrustManager接口。

类中的验证方法返回void或者null，是为了绕过验证。正常的方法体如果检验出证书无法被信任，需要手动抛出异常：

javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building

failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

并在chtch中处理异常，如果想要绕过验证，也就是说不要抛出异常就可以了，可以理解为信任了任何证书。

（2）、代码展示：HttpsClientUtil.java

import org.apache.http.client.HttpClient;
import org.apache.http.client.config.AuthSchemes;
import org.apache.http.client.config.CookieSpecs;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.NoopHostnameVerifier;
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.impl.conn.PoolingHttpClientConnectionManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.*;
import org.apache.http.entity.StringEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.message.BasicHeader;
import org.apache.http.util.EntityUtils;
/**
 * @author xiehaiqing
 * @date 2019/03/26
 */
public class HttpsClientUtil {
    /**
     * 在调用SSL之前需要重写验证方法，取消检测SSL
     * 创建ConnectionManager，添加Connection配置信息
     * @return HttpClient 支持https
     */
    public static HttpClient sslClient(){
        try {
            // 在调用SSL之前需要重写验证方法，取消检测SSL
            X509TrustManager trustManager = new X509TrustManager() {
                @Override
                public void checkClientTrusted(X509Certificate[] x509Certificates, String s)
                        throws CertificateException { }
                @Override
                public void checkServerTrusted(X509Certificate[] x509Certificates, String s)
                        throws CertificateException { }
                @Override
                public X509Certificate[] getAcceptedIssuers() {
                    return null;
                }
            };
            SSLContext ctx = SSLContext.getInstance(SSLConnectionSocketFactory.TLS);
            ctx.init(null, new TrustManager[]{trustManager}, null);
            SSLConnectionSocketFactory socketFactory = new SSLConnectionSocketFactory(ctx, NoopHostnameVerifier.INSTANCE);
            //创建registry
            RequestConfig requestConfig = RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD_STRICT)
                    .setExpectContinueEnabled(Boolean.TRUE).setTargetPreferredAuthSchemes(Arrays.asList(AuthSchemes.NTLM, AuthSchemes.DIGEST))
                    .setProxyPreferredAuthSchemes(Arrays.asList(AuthSchemes.BASIC)).build();
            Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create().register("http", PlainConnectionSocketFactory.INSTANCE)
                    .register("https", socketFactory).build();
            // 创建ConnectionManager，添加Connection配置信息
            PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry);
            CloseableHttpClient closeableHttpClient = HttpClients.custom().setConnectionManager(connectionManager).setDefaultRequestConfig(requestConfig).build();
            return closeableHttpClient;
        }catch (KeyManagementException ex){
            throw new RuntimeException(ex);
        }catch (NoSuchAlgorithmException e){
            throw new RuntimeException(e);
        }
    }

    /**
     * post请求
     * @param url
     * @param jsonStr
     * @return
     */
    public static String doPost(String url,String jsonStr){
        HttpClient httpClient = null;
        HttpPost httpPost = null;
        String result = null;
        try{
            httpClient = sslClient();
            httpPost = new HttpPost(url);
            httpPost.addHeader("Content-type","applicattion/json");
            StringEntity se = new StringEntity(jsonStr);
            se.setContentType("text/json");
            se.setContentEncoding(new BasicHeader("Content-type","application/json"));
            httpPost.setEntity(se);
            HttpResponse response = httpClient.execute(httpPost);
            if (response !=null){
                HttpEntity entity = response.getEntity();
                if (entity !=null){
                    result = EntityUtils.toString(entity,"utf-8");
                }
            }
        }catch (Exception e){
            e.printStackTrace();
        }
        return result;
    }
}

展开源码

2、模拟https版本登录

（1）、原理

icube模拟登陆，即是通过服务的登录链接，对用户输入的账号密码进行真实的验证，本功能使用了Jsoup解析的方式实现。

具体逻辑为，先使用get请求链接的方式，生成登录所需的bklogin_csrftoken这一属性字段，然后在通过post携带用户输入的账号密码和该csrftoken字段进行登录请求，如果用户输入的账号密码正确，则在cookie中会有一个不为空的bk_token字段，即为登录成功，否则登录失败。对于https请求，需要在请求之前绕过证书验证，这里采用创建不验证证书链的信任管理器来实现。

登录链接示例：https://xx.com/login/?c_url=

（2）代码展示

 import com.zork.opbd.datasource.Config;

 import com.zork.opbd.log.SystemLogHelper;

 import org.jsoup.Connection;

 import org.jsoup.Connection.*;

 import org.jsoup.Jsoup;

 import org.jsoup.nodes.Document;

 import org.jsoup.nodes.Element;

 import org.jsoup.select.Elements;

 import javax.net.ssl.*;

 import java.security.KeyManagementException;

 import java.security.NoSuchAlgorithmException;

 import java.security.SecureRandom;

 import java.security.cert.CertificateException;

 import java.security.cert.X509Certificate;

 import java.util.*;

 public class BKLoginUtils {

     public static String LOGIN_URL= Config.getInstance().BK_LOGIN_URL; //https://xx.com/login/?c_url=

     public final static String USER_AGENT="User-Agent";

     public final static String USER_AGENT_VALUE="Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36";

     public final static String LOGINFORM = "#login-form";

     public final static String NAME = "name";

     public final static String VALUE = "value";

     public final static String USERNAME = "username";

     public final static String PASSWORD = "password";

     public final static String ID = "id";

     public final static String USER = "user";

     public final static String REFERER = "Referer";

     public final static String BKTOKEN = "bk_token";

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

         boolean admin = siMulateLogin("admin", "zork.8888");

         System.out.println(admin);

     }

     /**

      * 模拟登陆功能

      * @param userName

      * @param pwd

      * @return result

      */

     public static boolean siMulateLogin(String userName,String pwd){

         boolean result = false;

         try{

             checkQuietly();

             Connection con = Jsoup.connect(LOGIN_URL).timeout(30000).userAgent(USER_AGENT_VALUE);

             Response rs = con.execute();

             Document doc = Jsoup.parse(rs.body());

             List<Element> elements = doc.select(LOGINFORM);

             Elements allElements = elements.get(0).getAllElements();

             Iterator<Element> iterator = allElements.iterator();

             Map<String,String> datas = new HashMap<>();

             while (iterator.hasNext()){

                 //赋值

                 Element element = iterator.next();

                 if (element.attr(NAME).equals(USERNAME) && element.attr(ID).equals(USER)){

                     element.attr(VALUE,userName);

                 }

                 if (element.attr(NAME).equals(PASSWORD) && element.attr(ID).equals(PASSWORD)){

                     element.attr(VALUE,pwd);

                 }

                 //排除空值表单属性

                 if (element.attr(NAME).length()>0){

                     datas.put(element.attr(NAME),element.attr(VALUE));

                 }

             }

             Connection conn = Jsoup.connect(LOGIN_URL);

             conn.header(USER_AGENT,USER_AGENT_VALUE);

             conn.header(REFERER,LOGIN_URL);//注意，这一行必须要加，否则会验证失败

             Response login = conn.ignoreContentType(true).followRedirects(true).method(Method.POST).data(datas).cookies(rs.cookies()).execute();

             Map<String,String> cookies = login.cookies();

             Iterator<String> keyIter = cookies.keySet().iterator();

             while (keyIter.hasNext()){

                 String key = keyIter.next();

                 if (BKTOKEN.equals(key)){

                     if (!StringUtil.isNull(cookies.get(key))){

                         SystemLogHelper.info("获取bk_token成功，bk_token:"+cookies.get(key),true);

                         result = true;

                     }else {

                         SystemLogHelper.info("获取bk_token失败，登陆失败，请检查用户名或密码",true);

                     }

                 }

             }

         }catch (Exception e){

             e.printStackTrace();

         }

         return result;

     }

     /**

      * 信任管理器

      * 绕过证书验证

      */

     public static void checkQuietly(){

         try{

             //创建不验证证书链的信任管理器

             TrustManager[] trustAllCerts = {

                     new X509TrustManager() {

                         @Override

                         public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {

                         }

                         @Override

                         public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {

                         }

                         @Override

                         public X509Certificate[] getAcceptedIssuers() {

                             return null;

                         }

                     }

             };

             //安装所有的信任管理器

             SSLContext ssl = SSLContext.getInstance("SSL");

             ssl.init(null,trustAllCerts,new SecureRandom());

             HttpsURLConnection.setDefaultSSLSocketFactory(ssl.getSocketFactory());

             //不验证主机名

             HostnameVerifier hv = new HostnameVerifier() {

                 @Override

                 public boolean verify(String s, SSLSession sslSession) {

                     return true;

                 }

             };

             HttpsURLConnection.setDefaultHostnameVerifier(hv);

         } catch (NoSuchAlgorithmException | KeyManagementException e) {

             e.printStackTrace();

         }

     }

 }