如图,是个使用了证书验证的网站,当我们点击登录时登录会弹出证书验证

当我们使用java代码模拟登录时,会报如下错误

对于需要证书验证的登录,1.加载证书、2.绕过证书
那么下面这段代码就是用来绕过证书验证的
/**
* 绕过证书验证
*/
public static String send(String url, List<NameValuePair> params, String encoding)
throws KeyManagementException, NoSuchAlgorithmException, ClientProtocolException, IOException {
String body = "";
// 采用绕过验证的方式处理https请求
SSLContext sslcontext = createIgnoreVerifySSL();
// 设置协议http和https对应的处理socket链接工厂的对象
Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.INSTANCE)
.register("https", new SSLConnectionSocketFactory(sslcontext)).build();
PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry);
HttpClients.custom().setConnectionManager(connManager);
// 创建自定义的httpclient对象
CloseableHttpClient client = HttpClients.custom().setConnectionManager(connManager).build();
// 创建post方式请求对象
HttpPost httpPost = new HttpPost(url);
// 装填参数
// 设置参数到请求对象中
httpPost.setEntity(new UrlEncodedFormEntity(params, encoding));
System.out.println("请求地址:" + url);
System.out.println("请求参数:" + params.toString());
// 设置header信息
// 指定报文头【Content-type】、【User-Agent】
httpPost.setHeader("Content-type", "application/x-www-form-urlencoded");
httpPost.setHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");
// 执行请求操作,并拿到结果(同步阻塞)
CloseableHttpResponse response = client.execute(httpPost);
// 获取结果实体
HttpEntity entity = response.getEntity();
if (entity != null) {
// 按指定编码转换结果实体为String类型
body = EntityUtils.toString(entity, encoding);
}
EntityUtils.consume(entity);
// 释放链接
response.close();
return body;
}
public static SSLContext createIgnoreVerifySSL() throws NoSuchAlgorithmException, KeyManagementException {
SSLContext sc = SSLContext.getInstance("SSLv3");
// 实现一个X509TrustManager接口,用于绕过验证,不用修改里面的方法
X509TrustManager trustManager = new X509TrustManager() {
@Override
public void checkClientTrusted(java.security.cert.X509Certificate[] paramArrayOfX509Certificate,
String paramString) throws CertificateException {
}
@Override
public void checkServerTrusted(java.security.cert.X509Certificate[] paramArrayOfX509Certificate,
String paramString) throws CertificateException {
}
@Override
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
};
sc.init(null, new TrustManager[] { trustManager }, null);
return sc;
}
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