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com.github.wxpay.sdk.WXPay Maven / Gradle / Ivy
package com.github.wxpay.sdk;
import com.github.wxpay.sdk.WXPayConstants.SignType;
import java.util.HashMap;
import java.util.Map;
public class WXPay {
private WXPayConfig config;
private SignType signType;
private boolean autoReport;
private boolean useSandbox;
private String notifyUrl;
private WXPayRequest wxPayRequest;
public WXPay(final WXPayConfig config) throws Exception {
this(config, null, true, false);
}
public WXPay(final WXPayConfig config, final boolean autoReport) throws Exception {
this(config, null, autoReport, false);
}
public WXPay(final WXPayConfig config, final boolean autoReport, final boolean useSandbox) throws Exception{
this(config, null, autoReport, useSandbox);
}
public WXPay(final WXPayConfig config, final String notifyUrl) throws Exception {
this(config, notifyUrl, true, false);
}
public WXPay(final WXPayConfig config, final String notifyUrl, final boolean autoReport) throws Exception {
this(config, notifyUrl, autoReport, false);
}
public WXPay(final WXPayConfig config, final String notifyUrl, final boolean autoReport, final boolean useSandbox) throws Exception {
this.config = config;
this.notifyUrl = notifyUrl;
this.autoReport = autoReport;
this.useSandbox = useSandbox;
if (useSandbox) {
this.signType = SignType.MD5; // 沙箱环境
}
else {
this.signType = SignType.HMACSHA256;
}
this.wxPayRequest = new WXPayRequest(config);
}
private void checkWXPayConfig() throws Exception {
if (this.config == null) {
throw new Exception("config is null");
}
if (this.config.getAppID() == null || this.config.getAppID().trim().length() == 0) {
throw new Exception("appid in config is empty");
}
if (this.config.getMchID() == null || this.config.getMchID().trim().length() == 0) {
throw new Exception("appid in config is empty");
}
if (this.config.getCertStream() == null) {
throw new Exception("cert stream in config is empty");
}
if (this.config.getWXPayDomain() == null){
throw new Exception("config.getWXPayDomain() is null");
}
if (this.config.getHttpConnectTimeoutMs() < 10) {
throw new Exception("http connect timeout is too small");
}
if (this.config.getHttpReadTimeoutMs() < 10) {
throw new Exception("http read timeout is too small");
}
}
/**
* 向 Map 中添加 appid、mch_id、nonce_str、sign_type、sign fillRequestData(Map reqData) throws Exception {
reqData.put("appid", config.getAppID());
reqData.put("mch_id", config.getMchID());
reqData.put("nonce_str", WXPayUtil.generateNonceStr());
if (SignType.MD5.equals(this.signType)) {
reqData.put("sign_type", WXPayConstants.MD5);
}
else if (SignType.HMACSHA256.equals(this.signType)) {
reqData.put("sign_type", WXPayConstants.HMACSHA256);
}
reqData.put("sign", WXPayUtil.generateSignature(reqData, config.getKey(), this.signType));
return reqData;
}
/**
* 判断xml数据的sign是否有效，必须包含sign字段，否则返回false。
*
* @param reqData 向wxpay post的请求数据
* @return 签名是否有效
* @throws Exception
*/
public boolean isResponseSignatureValid(Map reqData) throws Exception {
// 返回数据的签名方式和请求中给定的签名方式是一致的
return WXPayUtil.isSignatureValid(reqData, this.config.getKey(), this.signType);
}
/**
* 判断支付结果通知中的sign是否有效
*
* @param reqData 向wxpay post的请求数据
* @return 签名是否有效
* @throws Exception
*/
public boolean isPayResultNotifySignatureValid(Map reqData) throws Exception {
String signTypeInData = reqData.get(WXPayConstants.FIELD_SIGN_TYPE);
SignType signType;
if (signTypeInData == null) {
signType = SignType.MD5;
}
else {
signTypeInData = signTypeInData.trim();
if (signTypeInData.length() == 0) {
signType = SignType.MD5;
}
else if (WXPayConstants.MD5.equals(signTypeInData)) {
signType = SignType.MD5;
}
else if (WXPayConstants.HMACSHA256.equals(signTypeInData)) {
signType = SignType.HMACSHA256;
}
else {
throw new Exception(String.format("Unsupported sign_type: %s", signTypeInData));
}
}
return WXPayUtil.isSignatureValid(reqData, this.config.getKey(), signType);
}
/**
* 不需要证书的请求
* @param urlSuffix String
* @param reqData 向wxpay post的请求数据
* @param connectTimeoutMs 超时时间，单位是毫秒
* @param readTimeoutMs 超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public String requestWithoutCert(String urlSuffix, Map reqData,
int connectTimeoutMs, int readTimeoutMs) throws Exception {
String msgUUID = reqData.get("nonce_str");
String reqBody = WXPayUtil.mapToXml(reqData);
String resp = this.wxPayRequest.requestWithoutCert(urlSuffix, msgUUID, reqBody, connectTimeoutMs, readTimeoutMs, autoReport);
return resp;
}
/**
* 需要证书的请求
* @param urlSuffix String
* @param reqData 向wxpay post的请求数据 Map
* @param connectTimeoutMs 超时时间，单位是毫秒
* @param readTimeoutMs 超时时间，单位是毫秒
* @return API返回数据
* @throws Exception
*/
public String requestWithCert(String urlSuffix, Map reqData,
int connectTimeoutMs, int readTimeoutMs) throws Exception {
String msgUUID= reqData.get("nonce_str");
String reqBody = WXPayUtil.mapToXml(reqData);
String resp = this.wxPayRequest.requestWithCert(urlSuffix, msgUUID, reqBody, connectTimeoutMs, readTimeoutMs, this.autoReport);
return resp;
}
/**
* 处理 HTTPS API返回数据，转换成Map对象。return_code为SUCCESS时，验证签名。
* @param xmlStr API返回的XML格式数据
* @return Map类型数据
* @throws Exception
*/
public Map processResponseXml(String xmlStr) throws Exception {
String RETURN_CODE = "return_code";
String return_code;
Map respData = WXPayUtil.xmlToMap(xmlStr);
if (respData.containsKey(RETURN_CODE)) {
return_code = respData.get(RETURN_CODE);
}
else {
throw new Exception(String.format("No `return_code` in XML: %s", xmlStr));
}
if (return_code.equals(WXPayConstants.FAIL)) {
return respData;
}
else if (return_code.equals(WXPayConstants.SUCCESS)) {
if (this.isResponseSignatureValid(respData)) {
return respData;
}
else {
throw new Exception(String.format("Invalid sign value in XML: %s", xmlStr));
}
}
else {
throw new Exception(String.format("return_code value %s is invalid in XML: %s", return_code, xmlStr));
}
}
/**
* 作用：提交刷卡支付 microPay(Map reqData) throws Exception {
return this.microPay(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：提交刷卡支付 microPay(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_MICROPAY_URL_SUFFIX;
}
else {
url = WXPayConstants.MICROPAY_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 提交刷卡支付，针对软POS，尽可能做成功
* 内置重试机制，最多60s
* @param reqData
* @return
* @throws Exception
*/
public Map microPayWithPos(Map reqData) throws Exception {
return this.microPayWithPos(reqData, this.config.getHttpConnectTimeoutMs());
}
/**
* 提交刷卡支付，针对软POS，尽可能做成功
* 内置重试机制，最多60s
* @param reqData
* @param connectTimeoutMs
* @return
* @throws Exception
*/
public Map microPayWithPos(Map reqData, int connectTimeoutMs) throws Exception {
int remainingTimeMs = 60*1000;
long startTimestampMs = 0;
Map lastResult = null;
Exception lastException = null;
while (true) {
startTimestampMs = WXPayUtil.getCurrentTimestampMs();
int readTimeoutMs = remainingTimeMs - connectTimeoutMs;
if (readTimeoutMs > 1000) {
try {
lastResult = this.microPay(reqData, connectTimeoutMs, readTimeoutMs);
String returnCode = lastResult.get("return_code");
if (returnCode.equals("SUCCESS")) {
String resultCode = lastResult.get("result_code");
String errCode = lastResult.get("err_code");
if (resultCode.equals("SUCCESS")) {
break;
}
else {
// 看错误码，若支付结果未知，则重试提交刷卡支付
if (errCode.equals("SYSTEMERROR") || errCode.equals("BANKERROR") || errCode.equals("USERPAYING")) {
remainingTimeMs = remainingTimeMs - (int)(WXPayUtil.getCurrentTimestampMs() - startTimestampMs);
if (remainingTimeMs <= 100) {
break;
}
else {
WXPayUtil.getLogger().info("microPayWithPos: try micropay again");
if (remainingTimeMs > 5*1000) {
Thread.sleep(5*1000);
}
else {
Thread.sleep(1*1000);
}
continue;
}
}
else {
break;
}
}
}
else {
break;
}
}
catch (Exception ex) {
lastResult = null;
lastException = ex;
}
}
else {
break;
}
}
if (lastResult == null) {
throw lastException;
}
else {
return lastResult;
}
}
/**
* 作用：统一下单 unifiedOrder(Map reqData) throws Exception {
return this.unifiedOrder(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：统一下单 unifiedOrder(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_UNIFIEDORDER_URL_SUFFIX;
}
else {
url = WXPayConstants.UNIFIEDORDER_URL_SUFFIX;
}
if(this.notifyUrl != null) {
reqData.put("notify_url", this.notifyUrl);
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：查询订单 orderQuery(Map reqData) throws Exception {
return this.orderQuery(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：查询订单 orderQuery(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_ORDERQUERY_URL_SUFFIX;
}
else {
url = WXPayConstants.ORDERQUERY_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：撤销订单 reverse(Map reqData) throws Exception {
return this.reverse(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：撤销订单 reverse(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_REVERSE_URL_SUFFIX;
}
else {
url = WXPayConstants.REVERSE_URL_SUFFIX;
}
String respXml = this.requestWithCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：关闭订单 closeOrder(Map reqData) throws Exception {
return this.closeOrder(reqData, config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：关闭订单 closeOrder(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_CLOSEORDER_URL_SUFFIX;
}
else {
url = WXPayConstants.CLOSEORDER_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：申请退款 refund(Map reqData) throws Exception {
return this.refund(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：申请退款 refund(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_REFUND_URL_SUFFIX;
}
else {
url = WXPayConstants.REFUND_URL_SUFFIX;
}
String respXml = this.requestWithCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：退款查询 refundQuery(Map reqData) throws Exception {
return this.refundQuery(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：退款查询 refundQuery(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_REFUNDQUERY_URL_SUFFIX;
}
else {
url = WXPayConstants.REFUNDQUERY_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：对账单下载（成功时返回对账单数据，失败时返回XML格式数据） downloadBill(Map reqData) throws Exception {
return this.downloadBill(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：对账单下载 downloadBill(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_DOWNLOADBILL_URL_SUFFIX;
}
else {
url = WXPayConstants.DOWNLOADBILL_URL_SUFFIX;
}
String respStr = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs).trim();
Map ret;
// 出现错误，返回XML数据
if (respStr.indexOf("<") == 0) {
ret = WXPayUtil.xmlToMap(respStr);
}
else {
// 正常返回csv数据
ret = new HashMap();
ret.put("return_code", WXPayConstants.SUCCESS);
ret.put("return_msg", "ok");
ret.put("data", respStr);
}
return ret;
}
/**
* 作用：交易保障 report(Map reqData) throws Exception {
return this.report(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：交易保障 report(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_REPORT_URL_SUFFIX;
}
else {
url = WXPayConstants.REPORT_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return WXPayUtil.xmlToMap(respXml);
}
/**
* 作用：转换短链接 shortUrl(Map reqData) throws Exception {
return this.shortUrl(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：转换短链接 shortUrl(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_SHORTURL_URL_SUFFIX;
}
else {
url = WXPayConstants.SHORTURL_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
/**
* 作用：授权码查询OPENID接口 authCodeToOpenid(Map reqData) throws Exception {
return this.authCodeToOpenid(reqData, this.config.getHttpConnectTimeoutMs(), this.config.getHttpReadTimeoutMs());
}
/**
* 作用：授权码查询OPENID接口 authCodeToOpenid(Map reqData, int connectTimeoutMs, int readTimeoutMs) throws Exception {
String url;
if (this.useSandbox) {
url = WXPayConstants.SANDBOX_AUTHCODETOOPENID_URL_SUFFIX;
}
else {
url = WXPayConstants.AUTHCODETOOPENID_URL_SUFFIX;
}
String respXml = this.requestWithoutCert(url, this.fillRequestData(reqData), connectTimeoutMs, readTimeoutMs);
return this.processResponseXml(respXml);
}
} // end class
