using System;
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using System.Collections;
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using System.Text;
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using System.Web;
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namespace JumbotCms.API.Tenpay
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{
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/// <summary>
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/// RequestHandler µÄժҪ˵Ã÷¡£
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/// </summary>
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public class RequestHandler
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{
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public RequestHandler(HttpContext httpContext)
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{
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parameters = new Hashtable();
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this.httpContext = httpContext;
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this.setGateUrl("https://www.tenpay.com/cgi-bin/v1.0/service_gate.cgi");
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}
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/** Íø¹ØurlµØÖ· */
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private string gateUrl;
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/** ÃÜÔ¿ */
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private string key;
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/** ÇëÇóµÄ²ÎÊý */
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protected Hashtable parameters;
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/** debugÐÅÏ¢ */
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private string debugInfo;
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protected HttpContext httpContext;
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/** ³õʼ»¯º¯Êý¡£*/
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public virtual void init()
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{
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//nothing to do
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}
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/** »ñÈ¡Èë¿ÚµØÖ·,²»°üº¬²ÎÊýÖµ */
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public String getGateUrl()
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{
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return gateUrl;
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}
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/** ÉèÖÃÈë¿ÚµØÖ·,²»°üº¬²ÎÊýÖµ */
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public void setGateUrl(String gateUrl)
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{
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this.gateUrl = gateUrl;
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}
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/** »ñÈ¡ÃÜÔ¿ */
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public String getKey()
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{
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return key;
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}
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/** ÉèÖÃÃÜÔ¿ */
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public void setKey(string key)
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{
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this.key = key;
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}
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/** »ñÈ¡´ø²ÎÊýµÄÇëÇóURL @return String */
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public virtual string getRequestURL()
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{
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this.createSign();
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StringBuilder sb = new StringBuilder();
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ArrayList akeys=new ArrayList(parameters.Keys);
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akeys.Sort();
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foreach(string k in akeys)
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{
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string v = (string)parameters[k];
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if(null != v && "key".CompareTo(k) != 0)
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{
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sb.Append(k + "=" + TenpayUtil.UrlEncode(v, getCharset()) + "&");
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}
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}
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//È¥µô×îºóÒ»¸ö&
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if(sb.Length > 0)
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{
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sb.Remove(sb.Length-1, 1);
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}
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return this.getGateUrl() + "?" + sb.ToString();
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}
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/**
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* ´´½¨md5ÕªÒª,¹æÔòÊÇ:°´²ÎÊýÃû³Æa-zÅÅÐò,Óöµ½¿ÕÖµµÄ²ÎÊý²»²Î¼ÓÇ©Ãû¡£
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*/
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protected virtual void createSign()
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{
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StringBuilder sb = new StringBuilder();
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ArrayList akeys=new ArrayList(parameters.Keys);
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akeys.Sort();
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foreach(string k in akeys)
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{
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string v = (string)parameters[k];
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if(null != v && "".CompareTo(v) != 0
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&& "sign".CompareTo(k) != 0 && "key".CompareTo(k) != 0)
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{
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sb.Append(k + "=" + v + "&");
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}
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}
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sb.Append("key=" + this.getKey());
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string sign = MD5Util.GetMD5(sb.ToString(), getCharset()).ToLower();
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this.setParameter("sign", sign);
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//debugÐÅÏ¢
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this.setDebugInfo(sb.ToString() + " => sign:" + sign);
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}
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/** »ñÈ¡²ÎÊýÖµ */
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public string getParameter(string parameter)
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{
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string s = (string)parameters[parameter];
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return (null == s) ? "" : s;
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}
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/** ÉèÖòÎÊýÖµ */
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public void setParameter(string parameter,string parameterValue)
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{
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if(parameter != null && parameter != "")
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{
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if(parameters.Contains(parameter))
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{
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parameters.Remove(parameter);
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}
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parameters.Add(parameter,parameterValue);
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}
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}
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public void doSend()
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{
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this.httpContext.Response.Redirect(this.getRequestURL());
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}
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/** »ñÈ¡debugÐÅÏ¢ */
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public String getDebugInfo()
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{
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return debugInfo;
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}
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/** ÉèÖÃdebugÐÅÏ¢ */
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public void setDebugInfo(String debugInfo)
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{
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this.debugInfo = debugInfo;
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}
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public Hashtable getAllParameters()
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{
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return this.parameters;
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}
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protected virtual string getCharset()
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{
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return this.httpContext.Request.ContentEncoding.BodyName;
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}
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}
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}
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