package com.dg.core.db.manual.mapper.util;
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import io.netty.channel.ConnectTimeoutException;
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import org.apache.commons.io.IOUtils;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.http.Consts;
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import org.apache.http.HttpEntity;
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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.config.RequestConfig;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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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.conn.ssl.SSLConnectionSocketFactory;
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import org.apache.http.conn.ssl.TrustStrategy;
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import org.apache.http.conn.ssl.X509HostnameVerifier;
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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.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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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 java.util.Map.Entry;
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import org.apache.http.ssl.SSLContextBuilder;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLException;
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import javax.net.ssl.SSLSession;
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import javax.net.ssl.SSLSocket;
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import java.io.IOException;
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import java.net.SocketTimeoutException;
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import java.security.GeneralSecurityException;
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import java.security.cert.CertificateException;
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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 java.util.Set;
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public class HttpClientUtils {
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public static final int connTimeout=10000;
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public static final int readTimeout=10000;
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public static final String charset="UTF-8";
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private static CloseableHttpClient client = null;
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static {
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PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
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cm.setMaxTotal(128);
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cm.setDefaultMaxPerRoute(128);
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client = HttpClients.custom().setConnectionManager(cm).build();
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}
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public static String postParameters(String url, String parameterStr) throws ConnectTimeoutException, SocketTimeoutException, Exception{
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return post(url,parameterStr,"application/x-www-form-urlencoded",charset,connTimeout,readTimeout);
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}
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public static String postParameters(String url, String parameterStr,String charset, Integer connTimeout, Integer readTimeout) throws ConnectTimeoutException, SocketTimeoutException, Exception{
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return post(url,parameterStr,"application/x-www-form-urlencoded",charset,connTimeout,readTimeout);
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}
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public static String postParameters(String url, Map<String, String> params) throws ConnectTimeoutException,
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SocketTimeoutException, Exception {
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return postForm(url, params, null, connTimeout, readTimeout);
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}
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public static String postParameters(String url, Map<String, String> params, Integer connTimeout,Integer readTimeout) throws ConnectTimeoutException,
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SocketTimeoutException, Exception {
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return postForm(url, params, null, connTimeout, readTimeout);
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}
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public static String get(String url) throws Exception {
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return get(url, charset, null, null);
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}
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public static String get(String url, String charset) throws Exception {
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return get(url, charset, connTimeout, readTimeout);
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}
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/**
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* 发送一个 Post 请求, 使用指定的字符集编码.
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*
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* @param url
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* @param body RequestBody
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* @param mimeType 例如 application/xml "application/x-www-form-urlencoded" a=1&b=2&c=3
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* @param charset 编码
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* @param connTimeout 建立链接超时时间,毫秒.
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* @param readTimeout 响应超时时间,毫秒.
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* @return ResponseBody, 使用指定的字符集编码.
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* @throws ConnectTimeoutException 建立链接超时异常
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* @throws SocketTimeoutException 响应超时
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* @throws Exception
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*/
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public static String post(String url, String body, String mimeType,String charset, Integer connTimeout, Integer readTimeout)
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throws ConnectTimeoutException, SocketTimeoutException, Exception {
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CloseableHttpClient client = null;
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HttpPost post = new HttpPost(url);
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String result = "";
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try {
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if (StringUtils.isNotBlank(body)) {
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HttpEntity entity = new StringEntity(body, ContentType.create(mimeType, charset));
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post.setEntity(entity);
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}
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// 设置参数
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RequestConfig.Builder customReqConf = RequestConfig.custom();
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if (connTimeout != null) {
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customReqConf.setConnectTimeout(connTimeout);
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}
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if (readTimeout != null) {
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customReqConf.setSocketTimeout(readTimeout);
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}
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post.setConfig(customReqConf.build());
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HttpResponse res;
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if (url.startsWith("https")) {
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// 执行 Https 请求.
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client = createSSLInsecureClient();
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res = client.execute(post);
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} else {
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// 执行 Http 请求.
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client = HttpClientUtils.client;
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res = client.execute(post);
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}
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result = IOUtils.toString(res.getEntity().getContent(), charset);
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} finally {
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post.releaseConnection();
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if (url.startsWith("https") && client != null&& client instanceof CloseableHttpClient) {
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((CloseableHttpClient) client).close();
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}
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}
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return result;
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}
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/**
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* 提交form表单
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*
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* @param url
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* @param params
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* @param connTimeout
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* @param readTimeout
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* @return
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* @throws ConnectTimeoutException
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* @throws SocketTimeoutException
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* @throws Exception
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*/
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public static String postForm(String url, Map<String, String> params, Map<String, String> headers, Integer connTimeout,Integer readTimeout) throws ConnectTimeoutException,
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SocketTimeoutException, Exception {
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CloseableHttpClient client = null;
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HttpPost post = new HttpPost(url);
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try {
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if (params != null && !params.isEmpty()) {
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List<NameValuePair> formParams = new ArrayList<NameValuePair>();
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Set<Map.Entry<String, String>> entrySet = params.entrySet();
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for (Entry<String, String> entry : entrySet) {
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formParams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
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}
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UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formParams, Consts.UTF_8);
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post.setEntity(entity);
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}
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if (headers != null && !headers.isEmpty()) {
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for (Entry<String, String> entry : headers.entrySet()) {
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post.addHeader(entry.getKey(), entry.getValue());
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}
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}
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// 设置参数
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RequestConfig.Builder customReqConf = RequestConfig.custom();
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if (connTimeout != null) {
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customReqConf.setConnectTimeout(connTimeout);
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}
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if (readTimeout != null) {
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customReqConf.setSocketTimeout(readTimeout);
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}
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post.setConfig(customReqConf.build());
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HttpResponse res = null;
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if (url.startsWith("https")) {
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// 执行 Https 请求.
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client = createSSLInsecureClient();
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res = client.execute(post);
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} else {
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// 执行 Http 请求.
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client = HttpClientUtils.client;
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res = client.execute(post);
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}
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return IOUtils.toString(res.getEntity().getContent(), "UTF-8");
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} finally {
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post.releaseConnection();
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if (url.startsWith("https") && client != null
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&& client instanceof CloseableHttpClient) {
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((CloseableHttpClient) client).close();
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}
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}
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}
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/**
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* 发送一个 GET 请求
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*/
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public static String get(String url, String charset, Integer connTimeout,Integer readTimeout)
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throws ConnectTimeoutException,SocketTimeoutException, Exception {
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CloseableHttpClient client = null;
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HttpGet get = new HttpGet(url);
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String result = "";
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try {
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// 设置参数
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RequestConfig.Builder customReqConf = RequestConfig.custom();
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if (connTimeout != null) {
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customReqConf.setConnectTimeout(connTimeout);
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}
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if (readTimeout != null) {
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customReqConf.setSocketTimeout(readTimeout);
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}
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get.setConfig(customReqConf.build());
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HttpResponse res = null;
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if (url.startsWith("https")) {
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// 执行 Https 请求.
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client = createSSLInsecureClient();
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res = client.execute(get);
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} else {
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// 执行 Http 请求.
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client = HttpClientUtils.client;
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res = client.execute(get);
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}
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result = IOUtils.toString(res.getEntity().getContent(), charset);
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} finally {
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get.releaseConnection();
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if (url.startsWith("https") && client != null && client instanceof CloseableHttpClient) {
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((CloseableHttpClient) client).close();
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}
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}
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return result;
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}
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/**
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* 从 response 里获取 charset
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*/
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@SuppressWarnings("unused")
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private static String getCharsetFromResponse(HttpResponse ressponse) {
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// Content-Type:text/html; charset=GBK
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if (ressponse.getEntity() != null && ressponse.getEntity().getContentType() != null && ressponse.getEntity().getContentType().getValue() != null) {
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String contentType = ressponse.getEntity().getContentType().getValue();
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if (contentType.contains("charset=")) {
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return contentType.substring(contentType.indexOf("charset=") + 8);
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}
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}
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return null;
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}
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/**
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* 创建 SSL连接
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* @return
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* @throws GeneralSecurityException
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*/
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private static CloseableHttpClient createSSLInsecureClient() throws GeneralSecurityException {
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try {
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SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
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public boolean isTrusted(X509Certificate[] chain,String authType) throws CertificateException {
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return true;
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}
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}).build();
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SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() {
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@Override
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public boolean verify(String arg0, SSLSession arg1) {
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return true;
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}
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@Override
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public void verify(String host, SSLSocket ssl)
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throws IOException {
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}
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@Override
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public void verify(String host, X509Certificate cert)
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throws SSLException {
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}
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@Override
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public void verify(String host, String[] cns,
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String[] subjectAlts) throws SSLException {
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}
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});
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return HttpClients.custom().setSSLSocketFactory(sslsf).build();
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} catch (GeneralSecurityException e) {
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throw e;
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}
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}
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}
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