<%@ WebHandler Language="C#" Class="ExternalHandler" %>
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using System;
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using System.Web;
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using Newtonsoft.Json.Converters;
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using Newtonsoft.Json.Linq;
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using Newtonsoft.Json;
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using Model;
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using Common;
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using Dao;
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public class ExternalHandler : IHttpHandler {
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public void ProcessRequest(HttpContext context)
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{
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JsonPageResult result = null;
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PageContext<SysUser> pc = new PageContext<SysUser>(context);
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try
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{
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result = ProcessRequestInternal(pc);
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}
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catch (Exception e)
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{
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result = new JsonPageResult(false, e.Message);
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}
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IsoDateTimeConverter datetimeConverter = new IsoDateTimeConverter();
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datetimeConverter.DateTimeFormat = "yyyy-MM-dd HH:mm:ss";
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context.Response.ContentType = "application/json";
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var jsonText = JsonConvert.SerializeObject(result, Formatting.Indented, datetimeConverter);
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context.Response.Write(jsonText);
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context.Response.End();
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}
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private JsonPageResult ProcessRequestInternal(PageContext<SysUser> context)
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{
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string action = context.GetString("action");
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switch (action)
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{
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case "charge":
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return Charge(context);
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default:
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throw new Exception("Invalid Action=" + action);
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}
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}
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/// <summary>
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/// API充值接口说明
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/// 请求地址：http://127.0.0.1:8011/external.ashx
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/// account：系统账号
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/// spid：要充值的短信账号
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/// amount：充值金额，人民币，单位厘
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/// price：单价，必填，人民币，单位厘（不更新账户单价,则price=0）
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/// remark：充值备注
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/// sign：数据签名
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///1.参数中含有中文地方，统一用UTF8方式URLEncode
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///2.sign=MD5(account+spid+amount+price+remark+password)
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///3.password为account账号对应密码
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///4.MD5 生成为32位，不区分大小写，校验可以到 http://www.cmd5.com/ 测试
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///例子：http://smgw.131421.com/external.ashx?action=charge&account=admin&spid=922001&amount=1000&price=0&remark=%e5%93%88%e5%93%88&sign=1ed99fd468914232d2297ca15007934a
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///例子中 account对应密码为 111111，即 md5("admin92200110000哈哈111111") = 1ed99fd468914232d2297ca15007934a
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/// </summary>
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/// <param name="context"></param>
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/// <returns></returns>
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private JsonPageResult Charge(PageContext<SysUser> context)
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{
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string account = context.GetString("account");
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string spid = context.GetString("spid");
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long amount = context.GetInt64("amount");
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long price = context.GetInt64("price");
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string remark = context.GetString("remark");
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string sign = context.GetString("sign");
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CheckAuth(account, spid, amount,price, remark,sign);
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GwSp sp = null;
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using (GwSpDao dao = new GwSpDao())
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{
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sp = dao.Get(spid);
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}
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if (sp == null)
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{
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throw new ArgumentException("账户信息不存在！");
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}
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GwClient client;
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using (GwClientDao dao = new GwClientDao())
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{
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client = dao.Get(sp.ClientID);
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}
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if (client == null)
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{
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throw new ArgumentException("客户信息不存在！");
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}
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using (GwChargeLogDao dao = new GwChargeLogDao())
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{
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dao.Add(new GwChargeLog() { Amount = amount, Remark = "程序API充值=" + remark, OperatorID = account, SpID = spid, ClientID = sp.ClientID, ClientName = client.ClientName, Flag = 0, OccurTime = DateTime.Now });
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}
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if (price > 0)
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{
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using (GwSpDao dao = new GwSpDao())
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{
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dao.UpdatePrice(spid, price);
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}
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}
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return new JsonPageResult(true, "账户" + spid + "充值请求提交成功！");
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}
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private static void CheckAuth(string account, string spid, long amount, long price, string remark, string sign)
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{
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using (UserDao dao = new UserDao())
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{
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string password = dao.GetUserPassword(account);
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if (!string.Equals(DataHelper.MD5Hex(account + spid + amount + price + remark + password), sign, StringComparison.OrdinalIgnoreCase))
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{
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throw new ArgumentException("数据签名校验失败！");
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}
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}
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}
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public bool IsReusable
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{
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get
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{
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return false;
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}
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}
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}
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