🆕 #1090 增加微信支付分和免押租借相关接口

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/config/WxPayConfig.java

@@ -1,15 +1,25 @@
 package com.github.binarywang.wxpay.config;
 
 import com.github.binarywang.wxpay.exception.WxPayException;
+import com.github.binarywang.wxpay.v3.WechatPayHttpClientBuilder;
+import com.github.binarywang.wxpay.v3.auth.AutoUpdateCertificatesVerifier;
+import com.github.binarywang.wxpay.v3.auth.PrivateKeySigner;
+import com.github.binarywang.wxpay.v3.auth.WechatPay2Credentials;
+import com.github.binarywang.wxpay.v3.auth.WechatPay2Validator;
+import com.github.binarywang.wxpay.v3.util.PemUtils;
 import lombok.Data;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.ssl.SSLContexts;
 
 import javax.net.ssl.SSLContext;
 import java.io.*;
 import java.net.URL;
 import java.security.KeyStore;
+import java.security.PrivateKey;
+import java.security.cert.X509Certificate;
+import java.util.ArrayList;
 
 /**
  * 微信支付配置
@@ -85,6 +95,39 @@ public class WxPayConfig {
    */
   private String keyPath;
 
+  /**
+   * apiclient_key.pem证书文件的绝对路径或者以classpath:开头的类路径.
+   */
+  private String privateKeyPath;
+  /**
+   * apiclient_cert.pem证书文件的绝对路径或者以classpath:开头的类路径.
+   */
+  private String privateCertPath;
+
+  /**
+   * apiV3 秘钥值.
+   */
+  private String  apiv3Key;
+
+  /**
+   * apiV3 证书序列号值
+   */
+  private String certSerialNo;
+
+
+  /**
+   * 微信支付分serviceId
+   */
+  private String serviceId;
+
+  /**
+   * 微信支付分回调地址
+   */
+  private String payScoreNotifyUrl;
+
+  private CloseableHttpClient apiv3HttpClient;
+
+
   /**
    * p12证书文件内容的字节数组.
    */
@@ -185,4 +228,78 @@ public class WxPayConfig {
     }
   }
 
-}
+
+  /**
+   * @Author doger.wang
+   * @Description 初始化api v3请求头 自动签名验签
+   * 方法参照微信官方https://github.com/wechatpay-apiv3/wechatpay-apache-httpclient
+   * @Date  2020/5/14 10:10
+   * @Param []
+   * @return org.apache.http.impl.client.CloseableHttpClient
+   **/
+  public CloseableHttpClient initApiV3HttpClient()throws WxPayException {
+    String privateKeyPath = this.getPrivateKeyPath();
+    String privateCertPath = this.getPrivateCertPath();
+    String certSerialNo = this.getCertSerialNo();
+    String apiv3Key = this.getApiv3Key();
+    if (StringUtils.isBlank(privateKeyPath)) {
+      throw new WxPayException("请确保privateKeyPath已设置");
+    }
+    if (StringUtils.isBlank(privateCertPath)) {
+      throw new WxPayException("请确保privateCertPath已设置");
+    }
+    if (StringUtils.isBlank(certSerialNo)) {
+      throw new WxPayException("请确保certSerialNo证书序列号已设置");
+    }
+    if (StringUtils.isBlank(apiv3Key)) {
+      throw new WxPayException("请确保apiv3Key值已设置");
+    }
+
+
+    InputStream keyinputStream=null;
+    InputStream certinputStream=null;
+    final String prefix = "classpath:";
+    if (privateKeyPath.startsWith(prefix)) {
+      String keypath = StringUtils.removeFirst(privateKeyPath, prefix);
+      if (!keypath.startsWith("/")) {
+        keypath = "/" + keypath;
+      }
+      keyinputStream = WxPayConfig.class.getResourceAsStream(keypath);
+      if (keyinputStream == null) {
+        throw new WxPayException("证书文件【" + this.getPrivateKeyPath() + "】不存在，请核实！");
+      }
+    }
+
+      if (privateCertPath.startsWith(prefix)) {
+        String certpath = StringUtils.removeFirst(privateCertPath, prefix);
+        if (!certpath.startsWith("/")) {
+          certpath = "/" + certpath;
+        }
+        certinputStream = WxPayConfig.class.getResourceAsStream(certpath);
+        if (certinputStream == null) {
+          throw new WxPayException("证书文件【" + this.getPrivateCertPath() + "】不存在，请核实！");
+        }
+      }
+        CloseableHttpClient httpClient = null;
+        try {
+          WechatPayHttpClientBuilder builder = WechatPayHttpClientBuilder.create();
+          PrivateKey merchantPrivateKey = PemUtils.loadPrivateKey(keyinputStream);
+          X509Certificate x509Certificate = PemUtils.loadCertificate(certinputStream);
+          ArrayList<X509Certificate> certificates = new ArrayList<>();
+          certificates.add(x509Certificate);
+          builder.withMerchant(mchId, certSerialNo, merchantPrivateKey);
+          builder.withWechatpay(certificates);
+          AutoUpdateCertificatesVerifier verifier = new AutoUpdateCertificatesVerifier(
+            new WechatPay2Credentials(mchId, new PrivateKeySigner(certSerialNo, merchantPrivateKey)),
+            apiv3Key.getBytes("utf-8"));
+          builder.withValidator(new WechatPay2Validator(verifier));
+          httpClient = builder.build();
+          this.apiv3HttpClient =httpClient;
+        } catch (Exception e) {
+          throw new WxPayException("v3请求构造异常", e);
+        }
+        return httpClient;
+
+
+    }
+  }