package com.ruoyi.payment.wx.utils;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.core.type.TypeReference;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.ruoyi.payment.wx.model.WeixinProperties;
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import com.ruoyi.payment.wx.model.WxPaymentInfoModel;
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import com.ruoyi.payment.wx.model.WxPaymentRefundModel;
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import com.ruoyi.payment.wx.resp.NotifyV3PayDecodeRespBody;
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import com.wechat.pay.contrib.apache.httpclient.WechatPayHttpClientBuilder;
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import com.wechat.pay.contrib.apache.httpclient.auth.PrivateKeySigner;
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import com.wechat.pay.contrib.apache.httpclient.auth.Verifier;
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import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Credentials;
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import com.wechat.pay.contrib.apache.httpclient.auth.WechatPay2Validator;
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import com.wechat.pay.contrib.apache.httpclient.cert.CertificatesManager;
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import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
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import lombok.Getter;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.http.client.methods.HttpEntityEnclosingRequestBase;
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import org.apache.http.impl.client.CloseableHttpClient;
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import javax.servlet.http.HttpServletRequest;
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import java.nio.charset.StandardCharsets;
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import java.security.PrivateKey;
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import java.util.Map;
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/**
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* @author xiaochen
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* @ClassName WxWifiV3Pay
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* @Description
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* @date 2021-11-13 21:10
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*/
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@Slf4j
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public class WxV3Pay extends WxAbstractPay {
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@Getter
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private WeixinProperties config;
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@Getter
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private Verifier verifier;
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private WechatPayHttpClientBuilder builder;
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@Getter
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private CloseableHttpClient httpClient;
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private PrivateKeySigner privateKeySigner;
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private WechatPay2Validator validator;
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@Getter
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private PrivateKey privateKey;
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/**
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* 初始化
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*
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* @param config
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*/
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public WxV3Pay(WeixinProperties config) {
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// 检查v3支付配置信息
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if (WxUtils.getLogger().isDebugEnabled()) {
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WxUtils.debug("开始检查v3支付配置信息....");
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}
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try {
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this.config = config;
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checkWxConfig();
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this.privateKey = PemUtil.loadPrivateKey(config.getV3().getPrivateKeyStream());
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this.privateKeySigner = new PrivateKeySigner(config.getV3().getMchSerialNo(), privateKey);
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// 获取证书管理器实例
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CertificatesManager certificatesManager = CertificatesManager.getInstance();
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// 向证书管理器增加需要自动更新平台证书的商户信息
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certificatesManager.putMerchant(config.getMchId(), new WechatPay2Credentials(config.getMchId(),
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this.privateKeySigner), config.getV3().getApiKey().getBytes(StandardCharsets.UTF_8));
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// 从证书管理器中获取verifier
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this.verifier = certificatesManager.getVerifier(config.getMchId());
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this.validator = new WechatPay2Validator(verifier);
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this.builder = WechatPayHttpClientBuilder.create()
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.withMerchant(config.getMchId(), config.getV3().getMchSerialNo(), this.privateKey)
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.withValidator(this.validator);
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this.httpClient = this.builder.build();
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} catch (Exception e) {
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// 打印异常信息
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e.printStackTrace();
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WxUtils.warn("检查v3支付配置信息出现错误,直连商户商户号：{}，{}", config.getMchId(), e.getMessage());
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return;
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}
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if (WxUtils.getLogger().isDebugEnabled()) {
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WxUtils.debug("检查v3支付配置信息完成，未出现异常....");
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}
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}
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/**
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* 检查支付配置信息
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*
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* @throws Exception
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*/
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private void checkWxConfig() throws Exception {
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if (this.config == null) {
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throw new Exception("config is null");
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}
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if (config.getMchId() == null || config.getMchId().trim().length() == 0) {
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throw new Exception("MchID in config is empty");
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}
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if (config.getV3().getMchSerialNo() == null) {
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throw new Exception("mchSerialNo in config is empty");
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}
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if (config.getV3().getPrivateKeyStream() == null) {
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throw new Exception("cert stream in config is empty");
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}
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if (this.config.getHttpConnectTimeoutMs() < 10) {
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throw new Exception("http connect timeout is too small");
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}
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if (this.config.getHttpReadTimeoutMs() < 10) {
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throw new Exception("http read timeout is too small");
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}
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}
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/**
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* jsApi下单
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*
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* @param tradeNo 订单号
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* @param amount 金额 分
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* @param openid openid
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* @param description 订单描述
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* @return java.util.Map<java.lang.String, java.lang.Object>
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* @author xiaochen
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* @date 2022-03-22 12:47
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*/
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public Map<String, Object> jsApi(String tradeNo, Integer amount, String openid, String description) {
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WxPaymentInfoModel requestBody = WxPaymentInfoModel.builder()
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.mchid(this.config.getMchId())
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.appid(this.config.getAppId())
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.description(description)
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.out_trade_no(tradeNo)
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// .attach("")
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.amount(WxPaymentInfoModel.Amount.builder().total(amount).build())
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.payer(WxPaymentInfoModel.Payer.builder().openid(openid).build())
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// 分不分账
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//.settle_info(WxPaymentInfoModel.SettleInfo.builder().profit_sharing(true).build())
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.build();
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// 封装基础数据
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String reqBody = buildBaseParam(requestBody
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, this.config.getV3().getNotifyPayUrl());
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//请求URL
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HttpEntityEnclosingRequestBase httpPost = requestPost(
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"/v3/pay/transactions/jsapi"
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, this.config.getHttpReadTimeoutMs()
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, this.config.getHttpConnectTimeoutMs()
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, reqBody);
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String repBody = result(httpClient, httpPost);
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ObjectMapper om = new ObjectMapper();
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try {
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JsonNode rootNode = om.readTree(repBody);
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String prepayId = rootNode.path("prepay_id").asText();
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return wxTuneUp(this.privateKeySigner, requestBody.getAppid(), prepayId);
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} catch (JsonProcessingException e) {
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throw new RuntimeException("获取支付数据错误！");
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}
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}
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/**
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* 接收回调
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*
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* @param request
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* @return
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* @throws Exception
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*/
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@Override
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public <T> T verifyNotify(HttpServletRequest request, TypeReference<T> valueTypeRef) throws Exception {
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return verifyNotify(request, this.verifier, this.config.getV3().getApiKey(), valueTypeRef);
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}
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/**
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* 订单查询
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*
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* @param out_trade_no
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* @param mchid
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* @return com.abl.biz.center.payment.wx.v3.NotifyV3PayDecodeRespBody
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* @author xiaochen
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* @date 2021-12-20 16:47
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*/
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@Override
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public NotifyV3PayDecodeRespBody query(String out_trade_no, String mchid) {
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String url =
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String.format("/v3/pay/transactions/out-trade-no/%s", out_trade_no) + String.format("?mchid=%s", mchid);
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return query(this.httpClient, this.config.getHttpReadTimeoutMs(), this.config.getHttpConnectTimeoutMs(), url);
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}
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/**
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* 退款
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*
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* @param refundModel
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* @return java.util.Map<java.lang.String, java.lang.Object>
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* @author xiaochen
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*/
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@Override
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public Map<String, Object> refund(WxPaymentRefundModel refundModel) {
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// refundModel.setNotify_url(this.config.getV3().getNotifyRefundUrl());
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return refund(this.httpClient, "/v3/refund/domestic/refunds", this.config.getHttpReadTimeoutMs(), this.config.getHttpConnectTimeoutMs(), refundModel);
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}
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}
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