487 lines
14 KiB
Java
487 lines
14 KiB
Java
/*
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
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* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package com.ruoyi.common.constant;
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import com.ruoyi.common.core.domain.entity.EsignHttpResponse;
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import com.ruoyi.common.enums.EsignRequestType;
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import com.ruoyi.common.exception.EsignDemoException;
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import org.apache.http.*;
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import org.apache.http.auth.AuthScope;
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import org.apache.http.auth.UsernamePasswordCredentials;
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import org.apache.http.client.ClientProtocolException;
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import org.apache.http.client.CredentialsProvider;
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import org.apache.http.client.HttpRequestRetryHandler;
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import org.apache.http.client.config.RequestConfig;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpRequestBase;
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import org.apache.http.client.protocol.HttpClientContext;
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import org.apache.http.client.utils.URIBuilder;
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import org.apache.http.config.Registry;
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import org.apache.http.config.RegistryBuilder;
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import org.apache.http.conn.ConnectTimeoutException;
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import org.apache.http.conn.socket.ConnectionSocketFactory;
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import org.apache.http.conn.socket.LayeredConnectionSocketFactory;
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import org.apache.http.conn.socket.PlainConnectionSocketFactory;
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import org.apache.http.conn.ssl.NoopHostnameVerifier;
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import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
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import org.apache.http.entity.ByteArrayEntity;
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import org.apache.http.entity.ContentType;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.BasicCredentialsProvider;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClientBuilder;
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import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.protocol.HttpContext;
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import org.apache.http.util.EntityUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.net.ssl.*;
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import java.io.IOException;
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import java.io.InterruptedIOException;
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import java.net.UnknownHostException;
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import java.security.cert.CertificateException;
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import java.security.cert.X509Certificate;
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import java.text.MessageFormat;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Map;
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/**
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* @description Http请求 辅助类
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* @author 澄泓
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* @since JDK1.7
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*/
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public class EsignHttpCfgHelper {
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private static Logger LOGGER = LoggerFactory.getLogger(EsignHttpCfgHelper.class);
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/**
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* 超时时间,默认15000毫秒
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*/
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private static int MAX_TIMEOUT = 15000;
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/**
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* 请求池最大连接数,默认100个
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*/
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private static int MAX_TOTAL=100;
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/**
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* 单域名最大的连接数,默认50个
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*/
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private static int ROUTE_MAX_TOTAL=50;
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/**
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* 请求失败重试次数,默认3次
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*/
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private static int MAX_RETRY = 3;
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/**
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* 是否需要域名校验,默认不需要校验
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*/
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private static boolean SSL_VERIFY=false;
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/**
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* 正向代理IP
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*/
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private static String PROXY_IP;
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/**
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* 正向代理端口,默认8888
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*/
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private static int PROXY_PORT=8888;
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/**
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* 代理协议,默认http
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*/
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private static String PROXY_AGREEMENT="http";
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/**
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* 是否开启代理，默认false
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*/
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private static boolean OPEN_PROXY=false;
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/**
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* 代理服务器用户名
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*/
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private static String PROXY_USERNAME="";
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/**
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* 代理服务器密码
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*/
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private static String PROXY_PASSWORD="";
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private static PoolingHttpClientConnectionManager connMgr; //连接池
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private static HttpRequestRetryHandler retryHandler; //重试机制
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private static CloseableHttpClient httpClient=null;
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public static int getMaxTimeout() {
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return MAX_TIMEOUT;
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}
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public static void setMaxTimeout(int maxTimeout) {
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MAX_TIMEOUT = maxTimeout;
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}
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public static int getMaxTotal() {
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return MAX_TOTAL;
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}
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public static void setMaxTotal(int maxTotal) {
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MAX_TOTAL = maxTotal;
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}
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public static int getRouteMaxTotal() {
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return ROUTE_MAX_TOTAL;
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}
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public static void setRouteMaxTotal(int routeMaxTotal) {
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ROUTE_MAX_TOTAL = routeMaxTotal;
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}
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public static int getMaxRetry() {
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return MAX_RETRY;
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}
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public static void setMaxRetry(int maxRetry) {
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MAX_RETRY = maxRetry;
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}
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public static boolean isSslVerify() {
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return SSL_VERIFY;
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}
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public static void setSslVerify(boolean sslVerify) {
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SSL_VERIFY = sslVerify;
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}
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public static String getProxyIp() {
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return PROXY_IP;
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}
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public static void setProxyIp(String proxyIp) {
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PROXY_IP = proxyIp;
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}
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public static int getProxyPort() {
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return PROXY_PORT;
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}
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public static void setProxyPort(int proxyPort) {
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PROXY_PORT = proxyPort;
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}
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public static String getProxyAgreement() {
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return PROXY_AGREEMENT;
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}
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public static void setProxyAgreement(String proxyAgreement) {
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PROXY_AGREEMENT = proxyAgreement;
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}
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public static boolean getOpenProxy() {
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return OPEN_PROXY;
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}
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public static void setOpenProxy(boolean openProxy) {
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OPEN_PROXY = openProxy;
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}
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public static String getProxyUsername() {
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return PROXY_USERNAME;
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}
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public static void setProxyUserame(String proxyUsername) {
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PROXY_USERNAME = proxyUsername;
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}
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public static String getProxyPassword() {
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return PROXY_PASSWORD;
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}
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public static void setProxyPassword(String proxyPassword) {
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PROXY_PASSWORD = proxyPassword;
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}
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/**
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* 不允许外部创建实例
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*/
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private EsignHttpCfgHelper() {
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}
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//------------------------------公有方法start--------------------------------------------
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/**
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* @description 发起HTTP / HTTPS 请求
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*
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* @param reqType
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* {@link EsignRequestType} 请求类型 GET、 POST 、 DELETE 、 PUT
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* @param httpUrl
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* {@link String} 请求目标地址
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* @param headers
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* {@link Map} 请求头
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* @param param
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* {@link Object} 参数
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* @return
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* @throws EsignDemoException
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* @author 澄泓
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*/
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public static EsignHttpResponse sendHttp(EsignRequestType reqType, String httpUrl, Map<String, String> headers, Object param, boolean debug)
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throws EsignDemoException {
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HttpRequestBase reqBase=null;
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if(httpUrl.startsWith("http")){
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reqBase=reqType.getHttpType(httpUrl);
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}else{
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throw new EsignDemoException("请求url地址格式错误");
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}
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if(debug){
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LOGGER.info("请求头:{}",headers+"\n");
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LOGGER.info("请求参数\n{}", param+"\n");
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LOGGER.info("请求地址\n:{}\n请求方式\n:{}",reqBase.getURI(),reqType+"\n");
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}
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//请求方法不是GET或者DELETE时传入body体，否则不传入。
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String[] methods = {"DELETE", "GET"};
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if(param instanceof String&&Arrays.binarySearch(methods, reqType.name())<0){//POST或者PUT请求
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((HttpEntityEnclosingRequest) reqBase).setEntity(
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new StringEntity(String.valueOf(param), ContentType.create("application/json", "UTF-8")));
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}
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//参数时字节流数组
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else if(param instanceof byte[]) {
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reqBase=reqType.getHttpType(httpUrl);
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byte[] paramBytes = (byte[])param;
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((HttpEntityEnclosingRequest) reqBase).setEntity(new ByteArrayEntity(paramBytes));
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}
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//参数是form表单时
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else if(param instanceof List){
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((HttpEntityEnclosingRequest) reqBase).setEntity(new UrlEncodedFormEntity((Iterable<? extends NameValuePair>) param));
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}
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httpClient = getHttpClient();
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config(reqBase);
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//设置请求头
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if(headers != null &&headers.size()>0) {
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for(Map.Entry<String, String> entry :headers.entrySet()) {
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reqBase.setHeader(entry.getKey(), entry.getValue());
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}
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}
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//响应对象
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CloseableHttpResponse res = null;
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//响应内容
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String resCtx = null;
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int status;
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EsignHttpResponse esignHttpResponse = new EsignHttpResponse();
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try {
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//执行请求
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res = httpClient.execute(reqBase);
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status=res.getStatusLine().getStatusCode();
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//获取请求响应对象和响应entity
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HttpEntity httpEntity = res.getEntity();
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if(httpEntity != null) {
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resCtx = EntityUtils.toString(httpEntity,"utf-8");
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}
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if(debug) {
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LOGGER.info("响应\n{}", resCtx + "\n");
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LOGGER.info("----------------------------end------------------------");
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}
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} catch (NoHttpResponseException e) {
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throw new EsignDemoException("服务器丢失了",e);
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} catch (SSLHandshakeException e){
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String msg = MessageFormat.format("SSL握手异常", e);
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EsignDemoException ex = new EsignDemoException(msg, e);
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throw ex;
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} catch (UnknownHostException e){
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EsignDemoException ex = new EsignDemoException("服务器找不到", e);
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ex.initCause(e);
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throw ex;
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} catch(ConnectTimeoutException e){
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EsignDemoException ex = new EsignDemoException("连接超时", e);
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ex.initCause(e);
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throw ex;
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} catch(SSLException e){
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EsignDemoException ex = new EsignDemoException("SSL异常",e);
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ex.initCause(e);
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throw ex;
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} catch (ClientProtocolException e) {
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EsignDemoException ex = new EsignDemoException("请求头异常",e);
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ex.initCause(e);
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throw ex;
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} catch (IOException e) {
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EsignDemoException ex = new EsignDemoException("网络请求失败",e);
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ex.initCause(e);
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throw ex;
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} finally {
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if(res != null) {
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try {
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res.close();
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} catch (IOException e) {
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EsignDemoException ex = new EsignDemoException("--->>关闭请求响应失败",e);
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ex.initCause(e);
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throw ex;
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}
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}
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}
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esignHttpResponse.setStatus(status);
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esignHttpResponse.setBody(resCtx);
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return esignHttpResponse;
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}
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//------------------------------公有方法end----------------------------------------------
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//------------------------------私有方法start--------------------------------------------
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/**
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* @description 请求头和超时时间配置
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*
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* @param httpReqBase
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* @author 澄泓
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*/
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private static void config(HttpRequestBase httpReqBase) {
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// 配置请求的超时设置
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RequestConfig.Builder builder = RequestConfig.custom()
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.setConnectionRequestTimeout(MAX_TIMEOUT)
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.setConnectTimeout(MAX_TIMEOUT)
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.setSocketTimeout(MAX_TIMEOUT);
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if(OPEN_PROXY){
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HttpHost proxy=new HttpHost(PROXY_IP,PROXY_PORT,PROXY_AGREEMENT);
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builder.setProxy(proxy);
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}
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RequestConfig requestConfig = builder.build();
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httpReqBase.setConfig(requestConfig);
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}
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/**
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* @description 连接池配置
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*
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* @return
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* @author 澄泓
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*/
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private static void cfgPoolMgr() throws EsignDemoException {
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ConnectionSocketFactory plainsf = PlainConnectionSocketFactory.getSocketFactory();
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LayeredConnectionSocketFactory sslsf = SSLConnectionSocketFactory.getSocketFactory();
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if(!SSL_VERIFY){
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sslsf=sslConnectionSocketFactory();
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}
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Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
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.register("http", plainsf)
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.register("https", sslsf)
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.build();
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//连接池管理器
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connMgr = new PoolingHttpClientConnectionManager(registry);
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//请求池最大连接数
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connMgr.setMaxTotal(MAX_TOTAL);
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//但域名最大的连接数
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connMgr.setDefaultMaxPerRoute(ROUTE_MAX_TOTAL);
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}
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/**
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* @description 设置重试机制
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*
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* @author 澄泓
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*/
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private static void cfgRetryHandler() {
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retryHandler = new HttpRequestRetryHandler() {
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@Override
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public boolean retryRequest(IOException e, int excCount, HttpContext ctx) {
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//超过最大重试次数，就放弃
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if(excCount > MAX_RETRY) {
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return false;
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}
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//服务器丢掉了链接，就重试
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if(e instanceof NoHttpResponseException) {
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return true;
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}
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//不重试SSL握手异常
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if(e instanceof SSLHandshakeException) {
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return false;
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}
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//中断
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if(e instanceof InterruptedIOException) {
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return false;
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}
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//目标服务器不可达
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if(e instanceof UnknownHostException) {
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return false;
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}
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//连接超时
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//SSL异常
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if(e instanceof SSLException) {
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return false;
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}
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HttpClientContext clientCtx = HttpClientContext.adapt(ctx);
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HttpRequest req = clientCtx.getRequest();
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//如果是幂等请求，就再次尝试
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if(!(req instanceof HttpEntityEnclosingRequest)) {
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return true;
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}
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return false;
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}
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};
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}
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/**
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* 忽略域名校验
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*/
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private static SSLConnectionSocketFactory sslConnectionSocketFactory() throws EsignDemoException {
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try {
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SSLContext ctx = SSLContext.getInstance("TLS"); // 创建一个上下文（此处指定的协议类型似乎不是重点）
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X509TrustManager tm = new X509TrustManager() { // 创建一个跳过SSL证书的策略
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public X509Certificate[] getAcceptedIssuers() {
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return null;
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}
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public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
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}
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public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
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}
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};
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ctx.init(null, new TrustManager[] { tm }, null); // 使用上面的策略初始化上下文
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return new SSLConnectionSocketFactory(ctx, new String[] { "SSLv3", "TLSv1", "TLSv1.1", "TLSv1.2" }, null, NoopHostnameVerifier.INSTANCE);
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}catch (Exception e){
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EsignDemoException ex = new EsignDemoException("忽略域名校验失败",e);
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ex.initCause(e);
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throw ex;
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}
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}
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/**
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* @description 获取单例HttpClient
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*
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* @return
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* @author 澄泓
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*/
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private static synchronized CloseableHttpClient getHttpClient() throws EsignDemoException {
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if(httpClient==null) {
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CredentialsProvider credsProvider = new BasicCredentialsProvider();
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credsProvider.setCredentials(new AuthScope(PROXY_IP,PROXY_PORT),new UsernamePasswordCredentials(PROXY_USERNAME, PROXY_PASSWORD));
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cfgPoolMgr();
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cfgRetryHandler();
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HttpClientBuilder httpClientBuilder = HttpClientBuilder.create();
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httpClient = httpClientBuilder.setDefaultCredentialsProvider(credsProvider).setConnectionManager(connMgr).setRetryHandler(retryHandler).build();
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}
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return httpClient;
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}
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//------------------------------私有方法end----------------------------------------------
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}
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