weixin.popular.util.PayUtil Maven / Gradle / Ivy
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The weixin-popular is a JAVA SDK for weixin. Weixin web url is https://mp.weixin.qq.com.
package weixin.popular.util;
import java.security.Key;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.UUID;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.digest.DigestUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.qq.weixin.mp.aes.PKCS7Encoder;
import weixin.popular.api.PayMchAPI;
import weixin.popular.bean.paymch.MchPayApp;
import weixin.popular.bean.paymch.MchPayNativeReply;
import weixin.popular.bean.paymch.PapayEntrustweb;
import weixin.popular.bean.paymch.PapayH5entrustwebResult;
import weixin.popular.bean.paymch.RefundNotifyReqInfo;
import weixin.popular.bean.paymch.WxaEntrustwebData;
public abstract class PayUtil {
private static Logger logger = LoggerFactory.getLogger(PayUtil.class);
/**
* (MCH)生成支付JS请求对象
*
* @param prepay_id
* 预支付订单号
* @param appId
* appId
* @param key
* 商户支付密钥
* @return json
*/
public static String generateMchPayJsRequestJson(String prepay_id, String appId, String key) {
String package_ = "prepay_id=" + prepay_id;
Map map = new LinkedHashMap();
map.put("appId", appId);
map.put("nonceStr", UUID.randomUUID().toString().replace("-", ""));
map.put("package", package_);
map.put("signType", "MD5");
map.put("timeStamp", System.currentTimeMillis() / 1000 + "");
String paySign = SignatureUtil.generateSign(map, key);
map.put("paySign", paySign);
return JsonUtil.toJSONString(map);
}
/**
* (MCH)生成Native支付请求URL
*
* @param appid
* appid
* @param mch_id
* mch_id
* @param productid
* productid
* @param key
* key
* @return url
*/
public static String generateMchPayNativeRequestURL(String appid, String mch_id, String productid, String key) {
Map map = new LinkedHashMap();
map.put("appid", appid);
map.put("mch_id", mch_id);
map.put("time_stamp", System.currentTimeMillis() / 1000 + "");
map.put("nonce_str", UUID.randomUUID().toString().replace("-", ""));
map.put("product_id", productid);
String sign = SignatureUtil.generateSign(map, key);
map.put("sign", sign);
return "weixin://wxpay/bizpayurl?" + MapUtil.mapJoin(map, false, false);
}
/**
* (MCH)生成 native 支付回复XML
*
* @param mchPayNativeReply
* mchPayNativeReply
* @param key
* key
* @return xml
*/
public static String generateMchPayNativeReplyXML(MchPayNativeReply mchPayNativeReply, String key) {
Map map = MapUtil.objectToMap(mchPayNativeReply);
String sign = SignatureUtil.generateSign(map, key);
mchPayNativeReply.setSign(sign);
return XMLConverUtil.convertToXML(mchPayNativeReply);
}
/**
* (MCH)生成支付APP请求数据
*
* @param prepay_id
* 预支付订单号
* @param appId
* appId
* @param partnerid
* 商户平台号
* @param key
* 商户支付密钥
* @return app data
*/
public static MchPayApp generateMchAppData(String prepay_id, String appId, String partnerid, String key) {
Map wx_map = new LinkedHashMap();
wx_map.put("appid", appId);
wx_map.put("partnerid", partnerid);
wx_map.put("prepayid", prepay_id);
wx_map.put("package", "Sign=WXPay");
wx_map.put("noncestr", UUID.randomUUID().toString().replace("-", ""));
wx_map.put("timestamp", System.currentTimeMillis() / 1000 + "");
String sign = SignatureUtil.generateSign(wx_map, key);
MchPayApp mchPayApp = new MchPayApp();
mchPayApp.setAppid(appId);
mchPayApp.setPartnerid(partnerid);
mchPayApp.setPrepayid(prepay_id);
mchPayApp.setPackage_(wx_map.get("package"));
mchPayApp.setNoncestr(wx_map.get("noncestr"));
mchPayApp.setTimestamp(wx_map.get("timestamp"));
mchPayApp.setSign(sign);
return mchPayApp;
}
/**
* 生成委托代扣-公众号、APP 纯签约
*
* @param papayEntrustweb
* papayEntrustweb
* @param key
* key
* @return url
*/
public static String generatePapayEntrustwebURL(PapayEntrustweb papayEntrustweb, String key) {
Map map = MapUtil.objectToMap(papayEntrustweb);
String sign = SignatureUtil.generateSign(map, key);
map.put("sign", sign);
String params = MapUtil.mapJoin(map, false, true);
return "https://api.mch.weixin.qq.com/papay/entrustweb?" + params;
}
/**
* 生成委托代扣-H5 纯签约
* @since 2.8.24
* @param papayEntrustweb
* papayEntrustweb
* @param key
* key
* @return url
*/
public static String generatePapayH5EntrustwebURL(PapayEntrustweb papayEntrustweb, String key) {
PapayH5entrustwebResult result = PayMchAPI.papayH5entrustweb(papayEntrustweb, key);
if (result != null && "SUCCESS".equals(result.getResult_code())) {
return result.getRedirect_url();
}
return null;
}
/**
* 生成委托代扣-小程序 纯签约
* @since 2.8.24
* @param papayEntrustweb
* papayEntrustweb
* @param key
* key
* @return url
*/
public static WxaEntrustwebData generatePapayWxaEntrustweb(PapayEntrustweb papayEntrustweb, String key) {
Map map = MapUtil.objectToMap(papayEntrustweb);
String sign = SignatureUtil.generateSign(map, "HMAC-SHA256", key);
papayEntrustweb.setSign(sign);
WxaEntrustwebData wxaEntrustwebData = new WxaEntrustwebData();
wxaEntrustwebData.setAppId(papayEntrustweb.getAppid());
wxaEntrustwebData.setExtraData(papayEntrustweb);
wxaEntrustwebData.setPath("pages/index/index");
return wxaEntrustwebData;
}
/**
* 解密退款结果通知数据
*
*
* 解密失败解决方案：在官方网站下载JCE无限制权限策略文件（请到官网下载对应的版本) ,下载后解压。
* 可以看到local_policy.jar和US_export_policy.jar以及readme.txt，
* 将两个jar文件放到%JDK_HOME%\jre\lib\security目录下覆盖原来文件
*
* JCE7 http://www.oracle.com/technetwork/java/javase/downloads/jce-7-download-432124.html
* JCE8 http://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html
*
*
* @since 2.8.19
*
* @param req_info
* 加密数据
* @param key
* 支付key
* @return RefundNotifyReqInfo 解密失败返回 Null
*/
public static RefundNotifyReqInfo decryptRefundNotifyReqInfo(String req_info, String key) {
try {
Cipher cipher = Cipher.getInstance("AES/ECB/NoPadding");
Key sKeySpec = new SecretKeySpec(DigestUtils.md5Hex(key).getBytes(), "AES");
cipher.init(Cipher.DECRYPT_MODE, sKeySpec);
byte[] resultByte = cipher.doFinal(Base64.decodeBase64(req_info));
String data = new String(PKCS7Encoder.decode(resultByte));
return XMLConverUtil.convertToObject(RefundNotifyReqInfo.class, data);
} catch (Exception e) {
logger.error("", e);
}
return null;
}
}