DTcms.API/DTcms.API.Payment.alipaypc/Notify.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Text;

namespace DTcms.API.Payment.alipaypc
{
	public class Notify
	{
		private string _partner = string.Empty;

		private string _key = string.Empty;

		private string _input_charset = string.Empty;

		private string _sign_type = string.Empty;

		private string Https_veryfy_url = "https://mapi.alipay.com/gateway.do?service=notify_verify&";

		public Notify()
		{
			Config xmlConfig = new Config();
			this._partner = Config.Partner.Trim();
			this._key = Config.Key.Trim().ToLower();
			this._input_charset = Config.Input_charset.Trim().ToLower();
			this._sign_type = Config.Sign_type.Trim().ToUpper();
		}

		public bool Verify(System.Collections.Generic.SortedDictionary<string, string> inputPara, string notify_id, string sign)
		{
			string mysign = this.GetResponseMysign(inputPara);
			string responseTxt = "true";
			if (notify_id != "")
			{
				responseTxt = this.GetResponseTxt(notify_id);
			}
			return responseTxt == "true" && sign == mysign;
		}

		private string GetPreSignStr(System.Collections.Generic.SortedDictionary<string, string> inputPara)
		{
			System.Collections.Generic.Dictionary<string, string> sPara = new System.Collections.Generic.Dictionary<string, string>();
			sPara = Core.FilterPara(inputPara);
			return Core.CreateLinkString(sPara);
		}

		private string GetResponseMysign(System.Collections.Generic.SortedDictionary<string, string> inputPara)
		{
			System.Collections.Generic.Dictionary<string, string> sPara = new System.Collections.Generic.Dictionary<string, string>();
			sPara = Core.FilterPara(inputPara);
			return Core.BuildMysign(sPara, this._key, this._sign_type, this._input_charset);
		}

		private string GetResponseTxt(string notify_id)
		{
			string veryfy_url = string.Concat(new string[]
			{
				this.Https_veryfy_url,
				"partner=",