package com.dy.common.util;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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import java.security.KeyManagementException;
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import java.security.NoSuchAlgorithmException;
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import java.security.cert.X509Certificate;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.TrustManager;
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import javax.net.ssl.X509TrustManager;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.http.HttpResponse;
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import org.apache.http.NameValuePair;
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import org.apache.http.client.HttpClient;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.HttpDelete;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.client.methods.HttpPut;
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import org.apache.http.entity.ByteArrayEntity;
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import org.apache.http.entity.StringEntity;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.conn.ClientConnectionManager;
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import org.apache.http.conn.scheme.Scheme;
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import org.apache.http.conn.scheme.SchemeRegistry;
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import org.apache.http.conn.ssl.SSLSocketFactory;
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public class HttpUtils {
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/**
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* get
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*
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* @param host 服务端URI
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* @param path 请求路径
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* @param headers 请求头
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* @param params 请求参数
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* @return HttpResponse响应
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* @throws Exception 异常
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*/
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public static HttpResponse doGet(String host, String path, Map<String, String> headers,
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Map<String, String> params) throws Exception{
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HttpClient httpClient = wrapClient(host);
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HttpGet request = new HttpGet(buildUrl(host, path, params));
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if(headers != null){
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for (Map.Entry<String, String> e : headers.entrySet()) {
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request.addHeader(e.getKey(), e.getValue());
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}
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}
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return httpClient.execute(request);
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}
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/**
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* post form
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*
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* @param host 服务端URI
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* @param path 请求路径
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* @param headers 请求头
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* @param params 请求参数
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* @param bodies 请求体
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* @return HttpResponse响应
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* @throws Exception 异常
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*/
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public static HttpResponse doPost(String host, String path, Map<String, String> headers,
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Map<String, String> params, Map<String, String> bodies) throws Exception {
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HttpClient httpClient = wrapClient(host);
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HttpPost request = new HttpPost(buildUrl(host, path, params));
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for (Map.Entry<String, String> e : headers.entrySet()) {
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request.addHeader(e.getKey(), e.getValue());
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}
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if (bodies != null) {
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List<NameValuePair> nameValuePairList = new ArrayList<>();
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for (String key : bodies.keySet()) {
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nameValuePairList.add(new BasicNameValuePair(key, bodies.get(key)));
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}
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UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, "utf-8");
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formEntity.setContentType("application/x-www-form-urlencoded; charset=UTF-8");
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request.setEntity(formEntity);
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}
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return httpClient.execute(request);
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}
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/**
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* Post String
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*
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* @param host 服务端URI
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* @param path 请求路径
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* @param headers 请求头
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* @param params 请求参数
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* @param body 请求体
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* @return HttpResponse响应
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* @throws Exception 异常
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*/
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public static HttpResponse doPost(String host, String path, Map<String, String> headers,
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Map<String, String> params, String body) throws Exception {
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HttpClient httpClient = wrapClient(host);
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HttpPost request = new HttpPost(buildUrl(host, path, params));
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for (Map.Entry<String, String> e : headers.entrySet()) {
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request.addHeader(e.getKey(), e.getValue());
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}
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if (StringUtils.isNotBlank(body)) {
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request.setEntity(new StringEntity(body, "utf-8"));
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}
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return httpClient.execute(request);
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}
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/**
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* Post stream
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*
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* @param host 服务端URI
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* @param path 请求路径
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* @param headers 请求头
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* @param params 请求参数
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* @param body 请求体
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* @return HttpResponse响应
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* @throws Exception 异常
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*/
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public static HttpResponse doPost(String host, String path, Map<String, String> headers,
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Map<String, String> params, byte[] body) throws Exception {
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HttpClient httpClient = wrapClient(host);
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HttpPost request = new HttpPost(buildUrl(host, path, params));
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if(headers != null){
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for (Map.Entry<String, String> e : headers.entrySet()) {
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request.addHeader(e.getKey(), e.getValue());
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}
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}
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if (body != null) {
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request.setEntity(new ByteArrayEntity(body));
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}
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return httpClient.execute(request);
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}
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/**
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* Put String
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*
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* @param host 服务端URI
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* @param path 请求路径
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* @param headers 请求头
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* @param params 请求参数
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* @param body 请求体
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* @return HttpResponse响应
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* @throws Exception 异常
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*/
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public static HttpResponse doPut(String host, String path, Map<String, String> headers,
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Map<String, String> params, String body) throws Exception {
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HttpClient httpClient = wrapClient(host);
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HttpPut request = new HttpPut(buildUrl(host, path, params));
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for (Map.Entry<String, String> e : headers.entrySet()) {
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request.addHeader(e.getKey(), e.getValue());
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}
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if (StringUtils.isNotBlank(body)) {
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request.setEntity(new StringEntity(body, "utf-8"));
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}
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return httpClient.execute(request);
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}
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/**
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* Put stream
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*
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* @param host 服务端URI
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* @param path 请求路径
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* @param headers 请求头
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* @param params 请求参数
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* @param body 请求体
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* @return HttpResponse响应
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* @throws Exception 异常
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*/
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public static HttpResponse doPut(String host, String path, Map<String, String> headers,
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Map<String, String> params, byte[] body) throws Exception {
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HttpClient httpClient = wrapClient(host);
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HttpPut request = new HttpPut(buildUrl(host, path, params));
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for (Map.Entry<String, String> e : headers.entrySet()) {
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request.addHeader(e.getKey(), e.getValue());
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}
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if (body != null) {
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request.setEntity(new ByteArrayEntity(body));
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}
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return httpClient.execute(request);
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}
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/**
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* Delete
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*
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* @param host 服务端URI
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* @param path 请求路径
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* @param headers 请求头
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* @param params 请求参数
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* @return HttpResponse响应
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* @throws Exception 异常
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*/
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public static HttpResponse doDelete(String host, String path, Map<String, String> headers,
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Map<String, String> params) throws Exception {
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HttpClient httpClient = wrapClient(host);
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HttpDelete request = new HttpDelete(buildUrl(host, path, params));
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for (Map.Entry<String, String> e : headers.entrySet()) {
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request.addHeader(e.getKey(), e.getValue());
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}
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return httpClient.execute(request);
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}
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private static String buildUrl(String host, String path, Map<String, String> params) {
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StringBuilder sbUrl = new StringBuilder();
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sbUrl.append(host);
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if (!StringUtils.isBlank(path)) {
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sbUrl.append(path);
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}
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if (null != params) {
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StringBuilder sbQuery = new StringBuilder();
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for (Map.Entry<String, String> query : params.entrySet()) {
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if (0 < sbQuery.length()) {
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sbQuery.append("&");
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}
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if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) {
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sbQuery.append(query.getValue());
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}
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if (!StringUtils.isBlank(query.getKey())) {
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sbQuery.append(query.getKey());
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if (!StringUtils.isBlank(query.getValue())) {
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sbQuery.append("=");
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sbQuery.append(URLEncoder.encode(query.getValue(), StandardCharsets.UTF_8));
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}
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}
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}
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if (0 < sbQuery.length()) {
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sbUrl.append("?").append(sbQuery);
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}
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}
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return sbUrl.toString();
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}
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private static HttpClient wrapClient(String host) {
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CloseableHttpClient httpClient = HttpClients.createDefault();
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if (host.startsWith("https://")) {
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sslClient(httpClient);
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}
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return httpClient;
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}
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private static void sslClient(HttpClient httpClient) {
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try {
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SSLContext ctx = SSLContext.getInstance("TLS");
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X509TrustManager tm = new X509TrustManager() {
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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[] xcs, String str) {
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}
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public void checkServerTrusted(X509Certificate[] xcs, String str) {
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}
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};
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ctx.init(null, new TrustManager[] { tm }, null);
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SSLSocketFactory ssf = new SSLSocketFactory(ctx);
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ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
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ClientConnectionManager ccm = httpClient.getConnectionManager();
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SchemeRegistry registry = ccm.getSchemeRegistry();
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registry.register(new Scheme("https", 443, ssf));
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} catch (KeyManagementException ex) {
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throw new RuntimeException(ex);
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} catch (NoSuchAlgorithmException ex) {
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throw new RuntimeException(ex);
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}
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}
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}
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