net.shopxx.plugin.yeepayPayment.YeepayPaymentPlugin.java Source code

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Here is the source code for net.shopxx.plugin.yeepayPayment.YeepayPaymentPlugin.java

Source

/*
 * Copyright 2005-2015 shopxx.net. All rights reserved.
 * Support: http://3936242.01p.com/
 * License: http://3936242.01p.com/license
 */
package net.shopxx.plugin.yeepayPayment;

import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.LinkedHashMap;
import java.util.Map;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import javax.servlet.http.HttpServletRequest;

import net.shopxx.entity.PaymentLog;
import net.shopxx.entity.PluginConfig;
import net.shopxx.plugin.PaymentPlugin;
import net.shopxx.util.WebUtils;

import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Component;

@Component("yeepayPaymentPlugin")
public class YeepayPaymentPlugin extends PaymentPlugin {

    @Override
    public String getName() {
        return "?";
    }

    @Override
    public String getVersion() {
        return "1.0";
    }

    @Override
    public String getAuthor() {
        return "xiaohe";
    }

    @Override
    public String getSiteUrl() {
        return "http://3936242.01p.com/";
    }

    @Override
    public String getInstallUrl() {
        return "yeepay_payment/install.jhtml";
    }

    @Override
    public String getUninstallUrl() {
        return "yeepay_payment/uninstall.jhtml";
    }

    @Override
    public String getSettingUrl() {
        return "yeepay_payment/setting.jhtml";
    }

    @Override
    public String getRequestUrl() {
        return "https://www.yeepay.com/app-merchant-proxy/node";
    }

    @Override
    public PaymentPlugin.RequestMethod getRequestMethod() {
        return PaymentPlugin.RequestMethod.get;
    }

    @Override
    public String getRequestCharset() {
        return "GBK";
    }

    @Override
    public Map<String, Object> getParameterMap(String sn, String description, HttpServletRequest request) {
        PluginConfig pluginConfig = getPluginConfig();
        PaymentLog paymentLog = getPaymentLog(sn);
        Map<String, Object> parameterMap = new LinkedHashMap<String, Object>();
        parameterMap.put("p0_Cmd", "Buy");
        parameterMap.put("p1_MerId", pluginConfig.getAttribute("partner"));
        parameterMap.put("p2_Order", sn);
        parameterMap.put("p3_Amt", paymentLog.getAmount().setScale(2).toString());
        parameterMap.put("p4_Cur", "CNY");
        parameterMap.put("p5_Pid",
                StringUtils.abbreviate(description.replaceAll("[^0-9a-zA-Z\\u4e00-\\u9fa5 ]", ""), 20));
        parameterMap.put("p7_Pdesc",
                StringUtils.abbreviate(description.replaceAll("[^0-9a-zA-Z\\u4e00-\\u9fa5 ]", ""), 20));
        parameterMap.put("p8_Url", getNotifyUrl(PaymentPlugin.NotifyMethod.general));
        parameterMap.put("p9_SAF", "0");
        parameterMap.put("pa_MP", "shopxx");
        parameterMap.put("pr_NeedResponse", "1");
        parameterMap.put("hmac", generateSign(parameterMap));
        return parameterMap;
    }

    @Override
    public boolean verifyNotify(PaymentPlugin.NotifyMethod notifyMethod, HttpServletRequest request) {
        PluginConfig pluginConfig = getPluginConfig();
        PaymentLog paymentLog = getPaymentLog(request.getParameter("r6_Order"));
        Map<String, String> parameterValuesMap = WebUtils.parse(request.getQueryString(), "GBK");
        Map<String, Object> parameterMap = new LinkedHashMap<String, Object>();
        parameterMap.put("p1_MerId", parameterValuesMap.get("p1_MerId"));
        parameterMap.put("r0_Cmd", parameterValuesMap.get("r0_Cmd"));
        parameterMap.put("r1_Code", parameterValuesMap.get("r1_Code"));
        parameterMap.put("r2_TrxId", parameterValuesMap.get("r2_TrxId"));
        parameterMap.put("r3_Amt", parameterValuesMap.get("r3_Amt"));
        parameterMap.put("r4_Cur", parameterValuesMap.get("r4_Cur"));
        parameterMap.put("r5_Pid", parameterValuesMap.get("r5_Pid"));
        parameterMap.put("r6_Order", parameterValuesMap.get("r6_Order"));
        parameterMap.put("r7_Uid", parameterValuesMap.get("r7_Uid"));
        parameterMap.put("r8_MP", parameterValuesMap.get("r8_MP"));
        parameterMap.put("r9_BType", parameterValuesMap.get("r9_BType"));
        if (paymentLog != null && generateSign(parameterMap).equals(parameterValuesMap.get("hmac"))
                && pluginConfig.getAttribute("partner").equals(parameterValuesMap.get("p1_MerId"))
                && "1".equals(parameterValuesMap.get("r1_Code"))
                && paymentLog.getAmount().compareTo(new BigDecimal(parameterValuesMap.get("r3_Amt"))) == 0) {
            return true;
        }
        return false;
    }

    @Override
    public String getSn(HttpServletRequest request) {
        return request.getParameter("r6_Order");
    }

    @Override
    public String getNotifyMessage(PaymentPlugin.NotifyMethod notifyMethod, HttpServletRequest request) {
        if ("2".equals(WebUtils.parse(request.getQueryString(), "GBK").get("r9_BType"))) {
            return "success";
        }
        return null;
    }

    private String generateSign(Map<String, Object> parameterMap) {
        PluginConfig pluginConfig = getPluginConfig();
        return hmacDigest(joinValue(parameterMap, null, null, null, false, "hmac"),
                pluginConfig.getAttribute("key"));
    }

    private String hmacDigest(String value, String key) {
        try {
            Mac mac = Mac.getInstance("HmacMD5");
            mac.init(new SecretKeySpec(key.getBytes("UTF-8"), "HmacMD5"));
            byte[] bytes = mac.doFinal(value.getBytes("UTF-8"));

            StringBuilder digest = new StringBuilder();
            for (int i = 0; i < bytes.length; i++) {
                String hex = Integer.toHexString(0xFF & bytes[i]);
                if (hex.length() == 1) {
                    digest.append("0");
                }
                digest.append(hex);
            }
            return digest.toString();
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException(e.getMessage(), e);
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException(e.getMessage(), e);
        } catch (InvalidKeyException e) {
            throw new RuntimeException(e.getMessage(), e);
        }
    }

}