java ssl双向验证httpclient客户端请求工具类

package com.juaicaiplus.ymfront.util;


import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.SocketTimeoutException;
import java.security.GeneralSecurityException;
import java.security.KeyStore;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;


import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.config.RequestConfig.Builder;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.SSLContexts;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;


import com.juaicaiplus.ymfront.Constants;


/**
 * HttpClientUtils, 使用 HttpClient 4.x<br>
 * 
 */
public class HttpClientUtils {


private static HttpClient client = null;
static {
PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
cm.setMaxTotal(128);
cm.setDefaultMaxPerRoute(128);
client = HttpClients.custom().setConnectionManager(cm).build();
}


/**
* 发送一个 Post 请求, 使用指定的字符集编码.
* 
* @param url
* @param body
*            RequestBody
* @param mimeType
*            例如 application/xml
* @param charset
*            编码
* @param connTimeout
*            建立链接超时时间,毫秒.
* @param readTimeout
*            响应超时时间,毫秒.
* @return ResponseBody, 使用指定的字符集编码.
* 
* @throws ConnectTimeoutException
*             建立链接超时异常
* @throws SocketTimeoutException
*             响应超时
* @throws Exception
*/
public static String post(String url, String body, String mimeType,
String charset, Integer connTimeout, Integer readTimeout)
throws ConnectTimeoutException, SocketTimeoutException, Exception {
HttpClient client = null;
HttpPost post = new HttpPost(url);
String result = "";
try {
if (StringUtils.isNotBlank(body)) {
HttpEntity entity = new StringEntity(body, ContentType.create(
mimeType, charset));
post.setEntity(entity);
}
// 设置参数
Builder customReqConf = RequestConfig.custom();
if (connTimeout != null) {
customReqConf.setConnectTimeout(connTimeout);
}
if (readTimeout != null) {
customReqConf.setSocketTimeout(readTimeout);
}
post.setConfig(customReqConf.build());


HttpResponse res;
if (url.startsWith("https")) {
// 执行 Https 请求.
client = createSSLInsecureClient();
res = client.execute(post);
} else {
// 执行 Http 请求.
client = HttpClientUtils.client;
res = client.execute(post);
}
result = IOUtils.toString(res.getEntity().getContent(), charset);
} finally {
post.releaseConnection();
if (url.startsWith("https") && client != null
&& client instanceof CloseableHttpClient) {
((CloseableHttpClient) client).close();
}
}
return result;
}



/**
* 发送一个 Post 请求, 使用指定的字符集编码.
* 
* @param url
* @param body
*            RequestBody
* @param mimeType
*            例如 application/xml
* @param charset
*            编码
* @param connTimeout
*            建立链接超时时间,毫秒.
* @param readTimeout
*            响应超时时间,毫秒.
* @return ResponseBody, 使用指定的字符集编码.
* 
* @throws ConnectTimeoutException
*             建立链接超时异常
* @throws SocketTimeoutException
*             响应超时
* @throws Exception
*/
public static String post(HttpPost post, String url, String body, String mimeType,
String charset, Integer connTimeout, Integer readTimeout)
throws ConnectTimeoutException, SocketTimeoutException, Exception {
HttpClient client = null;
String result = "";
try {
if (StringUtils.isNotBlank(body)) {
HttpEntity entity = new StringEntity(body, ContentType.create(
mimeType, charset));
post.setEntity(entity);
}
// 设置参数
Builder customReqConf = RequestConfig.custom();
if (connTimeout != null) {
customReqConf.setConnectTimeout(connTimeout);
}
if (readTimeout != null) {
customReqConf.setSocketTimeout(readTimeout);
}
post.setConfig(customReqConf.build());


HttpResponse res;
if (url.startsWith("https")) {
// 执行 Https 请求.
client = createSSLInsecureClient();
res = client.execute(post);
} else {
// 执行 Http 请求.
client = HttpClientUtils.client;
res = client.execute(post);
}
result = IOUtils.toString(res.getEntity().getContent(), charset);
} finally {
post.releaseConnection();
if (url.startsWith("https") && client != null
&& client instanceof CloseableHttpClient) {
((CloseableHttpClient) client).close();
}
}
return result;
}
/**
* 提交form表单
* 
* @param url
* @param params
* @param connTimeout
* @param readTimeout
* @return
* @throws ConnectTimeoutException
* @throws SocketTimeoutException
* @throws Exception
*/
public static String postForm(String url, Map<String, String> params,
Map<String, String> headers, Integer connTimeout,
Integer readTimeout) throws ConnectTimeoutException,
SocketTimeoutException, Exception {


HttpClient client = null;


HttpPost post = new HttpPost(url);
try {
if (params != null && !params.isEmpty()) {
List<NameValuePair> formParams = new ArrayList<org.apache.http.NameValuePair>();
Set<Entry<String, String>> entrySet = params.entrySet();
for (Entry<String, String> entry : entrySet) {
formParams.add(new BasicNameValuePair(entry.getKey(), entry
.getValue()));
}
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(
formParams, Consts.UTF_8);
post.setEntity(entity);
}
if (headers != null && !headers.isEmpty()) {
for (Entry<String, String> entry : headers.entrySet()) {
post.addHeader(entry.getKey(), entry.getValue());
}
}
// 设置参数
Builder customReqConf = RequestConfig.custom();
if (connTimeout != null) {
customReqConf.setConnectTimeout(connTimeout);
}
if (readTimeout != null) {
customReqConf.setSocketTimeout(readTimeout);
}
post.setConfig(customReqConf.build());
HttpResponse res = null;
if (url.startsWith("https")) {
// 执行 Https 请求.
client = createSSLInsecureClient();
res = client.execute(post);
} else {
// 执行 Http 请求.
client = HttpClientUtils.client;
res = client.execute(post);
}
return IOUtils.toString(res.getEntity().getContent(), "UTF-8");
} finally {
post.releaseConnection();
if (url.startsWith("https") && client != null
&& client instanceof CloseableHttpClient) {
((CloseableHttpClient) client).close();
}
}
}


/**
* 发送一个 GET 请求
* 
* @param url
* @param charset
* @return
* @throws Exception
*/
public static String get(String url, String charset) throws Exception {
return get(url, charset, null, null);
}


/**
* 发送一个 GET 请求
* 
* @param url
* @param charset
* @param connTimeout
*            建立链接超时时间,毫秒.
* @param readTimeout
*            响应超时时间,毫秒.
* @return
* @throws ConnectTimeoutException
*             建立链接超时
* @throws SocketTimeoutException
*             响应超时
* @throws Exception
*/
public static String get(String url, String charset, Integer connTimeout,
Integer readTimeout) throws ConnectTimeoutException,
SocketTimeoutException, Exception {
HttpClient client = null;


HttpGet get = new HttpGet(url);
String result = "";
try {
// 设置参数
Builder customReqConf = RequestConfig.custom();
if (connTimeout != null) {
customReqConf.setConnectTimeout(connTimeout);
}
if (readTimeout != null) {
customReqConf.setSocketTimeout(readTimeout);
}
get.setConfig(customReqConf.build());


HttpResponse res = null;


if (url.startsWith("https")) {
// 执行 Https 请求.
client = createSSLInsecureClient();
res = client.execute(get);
} else {
// 执行 Http 请求.
client = HttpClientUtils.client;
res = client.execute(get);
}


result = IOUtils.toString(res.getEntity().getContent(), charset);
}catch(Exception e){
e.printStackTrace();
} finally {
get.releaseConnection();
if (url.startsWith("https") && client != null
&& client instanceof CloseableHttpClient) {
((CloseableHttpClient) client).close();
}
}
return result;
}

/**
* 发送一个 GET 请求
* 
* @param url
* @param charset
* @param connTimeout
*            建立链接超时时间,毫秒.
* @param readTimeout
*            响应超时时间,毫秒.
* @return
* @throws ConnectTimeoutException
*             建立链接超时
* @throws SocketTimeoutException
*             响应超时
* @throws Exception
*/
public static String get(HttpGet get, String url, String charset, Integer connTimeout,
Integer readTimeout) throws ConnectTimeoutException,
SocketTimeoutException, Exception {
HttpClient client = null;


String result = "";
try {
// 设置参数
Builder customReqConf = RequestConfig.custom();
if (connTimeout != null) {
customReqConf.setConnectTimeout(connTimeout);
}
if (readTimeout != null) {
customReqConf.setSocketTimeout(readTimeout);
}
get.setConfig(customReqConf.build());


HttpResponse res = null;


if (url.startsWith("https")) {
// 执行 Https 请求.
client = createSSLInsecureClient();
res = client.execute(get);
} else {
// 执行 Http 请求.
client = HttpClientUtils.client;
res = client.execute(get);
}


result = IOUtils.toString(res.getEntity().getContent(), charset);
} finally {
get.releaseConnection();
if (url.startsWith("https") && client != null
&& client instanceof CloseableHttpClient) {
((CloseableHttpClient) client).close();
}
}
return result;
}


/**
* 从 response 里获取 charset
* 
* @param ressponse
* @return
*/
@SuppressWarnings("unused")
private static String getCharsetFromResponse(HttpResponse ressponse) {
// Content-Type:text/html; charset=GBK
if (ressponse.getEntity() != null
&& ressponse.getEntity().getContentType() != null
&& ressponse.getEntity().getContentType().getValue() != null) {
String contentType = ressponse.getEntity().getContentType()
.getValue();
if (contentType.contains("charset=")) {
return contentType
.substring(contentType.indexOf("charset=") + 8);
}
}
return null;
}


private static CloseableHttpClient createSSLInsecureClient()
throws GeneralSecurityException, Exception {
try {
SSLContextBuilder sslContext = SSLContexts.custom();
//keystore的密码
String keystorePwd = "keystore密码";
           //取得JKS密库实例  
           KeyStore keyStore= KeyStore.getInstance("jks");  
           KeyStore trustStore = KeyStore.getInstance("jks");
           //加客户端载证书和私钥,通过读取资源文件的方式读取密钥和信任证书  
           keyStore.load(new FileInputStream("你存放keystore文件目录"), keystorePwd.toCharArray());  
           trustStore.load(new FileInputStream("你存放truststore文件目录"),"trust密码".toCharArray());  
           //初始化sslContext，加载keystore和truststore
           sslContext.loadKeyMaterial(keyStore, keystorePwd.toCharArray()).loadTrustMaterial(trustStore);
           SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext.build());
           return HttpClients.custom().setSSLSocketFactory(sslsf).build();
} catch (GeneralSecurityException e) {
e.printStackTrace();
throw e;
} catch (FileNotFoundException e) {
e.printStackTrace();
throw e;
} catch (IOException e) {
e.printStackTrace();
throw e;
}
}


}