WechatPayHttpClient.java
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package com.sl.pay.handler.wechat;
import cn.hutool.core.net.url.UrlBuilder;
import cn.hutool.core.net.url.UrlPath;
import cn.hutool.core.net.url.UrlQuery;
import cn.hutool.core.util.CharsetUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.json.JSONUtil;
import com.sl.pay.handler.wechat.response.WeChatResponse;
import com.wechat.pay.contrib.apache.httpclient.auth.PrivateKeySigner;
import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Credentials;
import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Validator;
import com.wechat.pay.contrib.apache.httpclient.cert.CertificatesManager;
import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import java.io.ByteArrayInputStream;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import java.security.PrivateKey;
import java.util.Map;
/**
* 微信支付远程调用对象
*/
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class WechatPayHttpClient {
private String mchId; //商户号
private String appId; //应用号
private String privateKey; //私钥字符串
private String mchSerialNo; //商户证书序列号
private String apiV3Key; //V3密钥
private String domain; //请求域名
private String notifyUrl; //请求地址
public static WechatPayHttpClient get() {
//通过渠道对象转化成微信支付的client对象
return WechatPayHttpClient.builder()
.appId("wx6592a2db3f85ed25")
.domain("api.mch.weixin.qq.com")
.privateKey("-----BEGIN PRIVATE KEY-----\n" +
"MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQDBHGgIh80193Gh\n" +
"dpD1LtMZfTRpcWI0fImyuBCyrd3gYb3rrsARebGcHdJsQA3mVjVqVp5ybhEZDPa4\n" +
"ecoK4Ye1hTppNpI/lmLt4/uUV/zhF5ahli7hi+116Ty6svHSbuMQBuUZeTFOwGrx\n" +
"jvofU/4pGIwh8ZvkcSnyOp9uX2177UVxDBkhgbZbJp9XF2b83vUa5eHo93CziPzn\n" +
"3hFdAlBCdTXB7DH+m0nN3Jou0szGukvq7cIgGpHku4ycKSTkIhhl9WRhN6OoSEJx\n" +
"q88MXzjkzTruc85PHN52aUTUifwg3T8Y4XqFQ61dTnEmgxeD2O6/pLdB9gLsp6yC\n" +
"GqN5Lqk7AgMBAAECggEBAL4X+WzUSbSjFS9NKNrCMjm4H1zgqTxjj6TnPkC1mGEl\n" +
"tjAHwLgzJBw62wWGdGhWWpSIGccpBBm1wjTMZpAZfF66fEpP1t1Ta6UjtGZNyvfF\n" +
"IZmE3jdWZ/WXGBnsxtFQKKKBNwrBW0Fbdqq9BQjLxLitmlxbmwrgPttcy855j6vZ\n" +
"qq4MBT1v8CtUT/gz4UWW2xWovVnmWOrRSScv7Nh0pMbRpPLkNHXrBwSSNz/keORz\n" +
"XB9JSm85wlkafa7n5/IJbdTml3A/uAgW3q3JZZQotHxQsYvD4Zb5Cnc9CPAXE5L2\n" +
"Yk877kVXZMGt5QPIVcPMj/72AMtaJT67Y0fN0RYHEGkCgYEA38BIGDY6pePgPbxB\n" +
"7N/l6Df0/OKPP0u8mqR4Q0aQD3VxeGiZUN1uWXEFKsKwlOxLfIFIFk1/6zQeC0xe\n" +
"tNTKk0gTL8hpMUTNkE7vI9gFWws2LY6DE86Lm0bdFEIwh6d7Fr7zZtyQKPzMsesC\n" +
"3XV9sdSUExEi5o/VwAyf+xZlOXcCgYEA3PGZYlILjg3esPNkhDz2wxFw432i8l/B\n" +
"CPD8ZtqIV9eguu4fVtFYcUVfawBb0T11RamJkc4eiSOqayC+2ehgb+GyRLJNK4Fq\n" +
"bFcsIT+CK0HlscZw51jrMR0MxTc4RzuOIMoYDeZqeGB6/YnNyG4pw2sD8bIwHm84\n" +
"06gtJsX/v10CgYAo8g3/aEUZQHcztPS3fU2cTkkl0ev24Ew2XGypmwsX2R0XtMSB\n" +
"uNPNyFHyvkgEKK2zrhDcC/ihuRraZHJcUyhzBViFgP5HBtk7VEaM36YzP/z9Hzw7\n" +
"bqu7kZ85atdoq6xpwC3Yn/o9le17jY8rqamD1mv2hUdGvAGYsHbCQxnpBwKBgHTk\n" +
"eaMUBzr7yZLS4p435tHje1dQVBJpaKaDYPZFrhbTZR0g+IGlNmaPLmFdCjbUjiPy\n" +
"A2+Znnwt227cHz0IfWUUAo3ny3419QkmwZlBkWuzbIO2mms7lwsf9G6uvV6qepKM\n" +
"eVd5TWEsokVbT/03k27pQmfwPxcK/wS0GFdIL/udAoGAOYdDqY5/aadWCyhzTGI6\n" +
"qXPLvC+fsJBPhK2RXyc+jYV0KmrEv4ewxlK5NksuFsNkyB7wlI1oMCa/xB3T/2vT\n" +
"BALgGFPi8BJqceUjtnTYtI4R2JIVEl08RtEJwyU5JZ2rvWcilsotVZYwfuLZ9Kfd\n" +
"hkTrgNxlp/KKkr+UuKce4Vs=\n" +
"-----END PRIVATE KEY-----\n")
.mchId("1561414331")
.mchSerialNo("25FBDE3EFD31B03A4377EB9A4A47C517969E6620")
.apiV3Key("CZBK51236435wxpay435434323FFDuv3")
.notifyUrl("https://www.itcast.cn/")
.build();
}
/***
* 构建CloseableHttpClient远程请求对象
* @return org.apache.http.impl.client.CloseableHttpClient
*/
public CloseableHttpClient createHttpClient() throws Exception {
// 加载商户私钥（privateKey：私钥字符串）
PrivateKey merchantPrivateKey = PemUtil.loadPrivateKey(new ByteArrayInputStream(privateKey.getBytes(StandardCharsets.UTF_8)));
// 加载平台证书（mchId：商户号,mchSerialNo：商户证书序列号,apiV3Key：V3密钥）
PrivateKeySigner privateKeySigner = new PrivateKeySigner(mchSerialNo, merchantPrivateKey);
WechatPay2Credentials wechatPay2Credentials = new WechatPay2Credentials(mchId, privateKeySigner);
// 向证书管理器增加需要自动更新平台证书的商户信息
CertificatesManager certificatesManager = CertificatesManager.getInstance();
certificatesManager.putMerchant(mchId, wechatPay2Credentials, apiV3Key.getBytes(StandardCharsets.UTF_8));
// 初始化httpClient
return com.wechat.pay.contrib.apache.httpclient.WechatPayHttpClientBuilder.create()
.withMerchant(mchId, mchSerialNo, merchantPrivateKey)
.withValidator(new WechatPay2Validator(certificatesManager.getVerifier(mchId)))
.build();
}
/***
* 支持post请求的远程调用
*
* @param apiPath api地址
* @param params 携带请求参数
* @return 返回字符串
*/
public WeChatResponse doPost(String apiPath, Map<String, Object> params) throws Exception {
String url = StrUtil.format("https://{}{}", this.domain, apiPath);
HttpPost httpPost = new HttpPost(url);
httpPost.addHeader("Accept", "application/json");
httpPost.addHeader("Content-type", "application/json; charset=utf-8");
String body = JSONUtil.toJsonStr(params);
httpPost.setEntity(new StringEntity(body, CharsetUtil.UTF_8));
CloseableHttpResponse response = this.createHttpClient().execute(httpPost);
return new WeChatResponse(response);
}
/***
* 支持get请求的远程调用
* @param apiPath api地址
* @param params 在路径中请求的参数
* @return 返回字符串
*/
public WeChatResponse doGet(String apiPath, Map<String, Object> params) throws Exception {
URI uri = UrlBuilder.create()
.setHost(this.domain)
.setScheme("https")
.setPath(UrlPath.of(apiPath, CharsetUtil.CHARSET_UTF_8))
.setQuery(UrlQuery.of(params))
.setCharset(CharsetUtil.CHARSET_UTF_8)
.toURI();
return this.doGet(uri);
}
/***
* 支持get请求的远程调用
* @param apiPath api地址
* @return 返回字符串
*/
public WeChatResponse doGet(String apiPath) throws Exception {
URI uri = UrlBuilder.create()
.setHost(this.domain)
.setScheme("https")
.setPath(UrlPath.of(apiPath, CharsetUtil.CHARSET_UTF_8))
.setCharset(CharsetUtil.CHARSET_UTF_8)
.toURI();
return this.doGet(uri);
}
private WeChatResponse doGet(URI uri) throws Exception {
HttpGet httpGet = new HttpGet(uri);
httpGet.addHeader("Accept", "application/json");
CloseableHttpResponse response = this.createHttpClient().execute(httpGet);
return new WeChatResponse(response);
}
}