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329 lines
11 KiB
329 lines
11 KiB
using BWP.B3WeChat;
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using BWP.B3WeChat.BO;
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using BWP.B3WeChat.Entities;
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using Forks.Utils;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Web;
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using System.Web.Script.Serialization;
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using System.Web.Security;
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namespace BWP.B3WeChat.Utils
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{
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public static class InOutMessageUtil
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{
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static Logger logger = new Logger("InOutMessageUtil");
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static string token;
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static DateTime? getTokenTime;
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static readonly TimeSpan expiredSpan = new TimeSpan(2, 0, 0);
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static string TOKEN
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{
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get
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{
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if (getTokenTime.HasValue && ((TimeSpan)(DateTime.Now - getTokenTime.Value)) >= expiredSpan)
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{
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token = string.Empty;
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}
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if (string.IsNullOrEmpty(token))
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{
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token = GetToken();
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getTokenTime = DateTime.Now;
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}
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return token;
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}
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}
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public static B3WeChatConfig config = new B3WeChatConfig();
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static JavaScriptSerializer jsonHelper = new JavaScriptSerializer();
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static T GetRequest<T>(string uriStr) where T : WeChatResponseBase
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{
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var responseBody = GetRequestString(uriStr);
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T obj = jsonHelper.Deserialize<T>(responseBody);
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if (obj.IsError)
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{
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throw new Exception(string.Format("{0}:{1}", obj.errcode, obj.errmsg));
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}
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return obj;
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}
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private static string GetRequestString(string url)
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{
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WebClient client = new WebClient();
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var data = client.DownloadData(url);
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var result = Encoding.UTF8.GetString(data);
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jsonHelper.Deserialize<WeChatResponseBase>(result).CheckError();
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return result;
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}
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static T PostRequest<T>(string url, string json) where T : WeChatResponseBase
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{
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byte[] requestBuffer = Encoding.UTF8.GetBytes(json);
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HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(new Uri(url));
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webRequest.Method = "POST";
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webRequest.ContentType = "application/x-www-form-urlencoded";
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webRequest.ContentLength = requestBuffer.Length;
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using (var requestStream = webRequest.GetRequestStream())
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{
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requestStream.Write(requestBuffer, 0, requestBuffer.Length);
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}
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HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
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var data = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8")).ReadToEnd();
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var obj = jsonHelper.Deserialize<T>(data);
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if (obj.IsError)
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{
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throw new Exception(string.Format("{0}:{1}", obj.errcode, obj.errmsg));
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}
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return obj;
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}
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public static string GetToken()
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{
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string token = string.Empty;
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string url = string.Format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={0}&secret={1}", config.AppID.Value, config.AppSecret.Value);
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var res = GetRequest<TokenObject>(url);
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return res.access_token;
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}
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public static WeiChartServerList GetIPList()
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{
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WeiChartServerList result = new WeiChartServerList();
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string uriStr = string.Format("https://api.weixin.qq.com/cgi-bin/getcallbackip?access_token={0}", TOKEN);
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return GetRequest<WeiChartServerList>(uriStr);
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}
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public static void SendTemplateMessage(string openID, string templateID, Dictionary<string, ValueColor> dic, string url = "")
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{
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string uriStr = string.Format("https://api.weixin.qq.com/cgi-bin/message/template/send?access_token={0}", TOKEN);
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JavaScriptSerializer jsonHelper = new JavaScriptSerializer();
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SendTemplateMessageResult result = new SendTemplateMessageResult();
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MeassageBody body = new MeassageBody();
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body.touser = openID;
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body.template_id = templateID;
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body.url = url;
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body.data = dic;
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string postData = jsonHelper.Serialize(body);
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PostRequest<SendTemplateMessageResult>(uriStr, postData);
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}
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public static void SetCustomMenu(string menuJson)
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{
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var url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/create?access_token={0}", TOKEN);
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PostRequest<WeChatResponseBase>(url, menuJson);
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}
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public static string GetCustomMenu()
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{
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var url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/get?access_token={0}", TOKEN);
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return GetRequestString(url);
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}
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public static void DelteCustomMenu()
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{
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var url = string.Format("https://api.weixin.qq.com/cgi-bin/menu/delete?access_token={0}",TOKEN);
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GetRequest<WeChatResponseBase>(url);
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}
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public static List<string> GetOpenIDList()
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{
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string openid = string.Empty;
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string uriStr = string.Empty;
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List<string> lstOpenID = new List<string>();
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JavaScriptSerializer jsonHelper = new JavaScriptSerializer();
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OpenIDObject result = new OpenIDObject();
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WebClient client = new WebClient();
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try
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{
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do
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{
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uriStr = string.Format("https://api.weixin.qq.com/cgi-bin/user/get?access_token={0}&next_openid={1}", TOKEN, openid);
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byte[] bytes = client.DownloadData(uriStr);
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string responseBody = Encoding.UTF8.GetString(bytes);
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result = jsonHelper.Deserialize<OpenIDObject>(responseBody);
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lstOpenID.AddRange(result.data.openid);
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openid = result.data.openid.Last();
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} while (lstOpenID.Count < result.total);
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}
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catch (Exception e)
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{
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throw e;
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}
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return lstOpenID;
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}
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public static UserBasicInfo GetUserInfo(string openid)
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{
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string uriStr = string.Empty;
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List<string> lstOpenID = new List<string>();
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JavaScriptSerializer jsonHelper = new JavaScriptSerializer();
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UserBasicInfo result = new UserBasicInfo();
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WebClient client = new WebClient();
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try
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{
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uriStr = string.Format("https://api.weixin.qq.com/cgi-bin/user/info?access_token={0}&openid={1}&lang=zh_CN", TOKEN, openid);
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byte[] bytes = client.DownloadData(uriStr);
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string responseBody = Encoding.UTF8.GetString(bytes);
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result = jsonHelper.Deserialize<UserBasicInfo>(responseBody);
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}
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catch (Exception e)
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{
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throw e;
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}
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return result;
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}
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/// <summary>
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/// 接收消息
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public static object GetMessage(HttpRequest request)
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{
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StreamReader reader = new StreamReader(request.InputStream);
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String xmlData = reader.ReadToEnd();
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DebugInfo.Insert("微信消息文本", xmlData);
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return ParseWeChatMessage(xmlData);
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}
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public static object ParseWeChatMessage(String xmlData)
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{
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object obj = null;
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MessageType type = XmlUtil.Deserialize<MessageType>(xmlData);
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if (type.MsgType == MsgType.文本)
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{
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obj = XmlUtil.Deserialize<ReceivedTextMsg>(xmlData);
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}
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else if (type.MsgType == MsgType.事件)
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{
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obj = XmlUtil.Deserialize<ReceivedEventMsg>(xmlData);
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}
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return obj;
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}
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/// <summary>
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/// 验证微信签名
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/// </summary>
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/// <returns></returns>
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/// * 将token、timestamp、nonce三个参数进行字典序排序
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/// * 将三个参数字符串拼接成一个字符串进行sha1加密
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/// * 开发者获得加密后的字符串可与signature对比，标识该请求来源于微信。
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public static bool CheckSignature()
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{
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string WeChat_Token = config.Token.Value;//从配置文件获取Token
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string WeChat_Key = HttpContext.Current.Request.QueryString["key"];
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//从微信服务器接收传递过来的数据
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string signature = HttpContext.Current.Request.QueryString["signature"]; //微信加密签名
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string timestamp = HttpContext.Current.Request.QueryString["timestamp"];//时间戳
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string nonce = HttpContext.Current.Request.QueryString["nonce"];//随机数
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string[] ArrTmp = { WeChat_Token, timestamp, nonce };
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Array.Sort(ArrTmp); //字典排序
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string tmpStr = string.Join("", ArrTmp);//将三个字符串组成一个字符串
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tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");//进行sha1加密
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tmpStr = tmpStr.ToLower();
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//加过密的字符串与微信发送的signature进行比较，一样则通过微信验证，否则失败。
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if (tmpStr == signature)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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/// <summary>
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/// 生成临时二维码
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/// </summary>
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/// <param name="days">二维码有效时间</param>
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/// <param name="arg">二维码参数</param>
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/// <returns></returns>
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public static string GenerateEQCode(int days, int arg)
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{
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string ticket = string.Empty;
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string uriStr = string.Format("https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token={0}", TOKEN);
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JavaScriptSerializer jsonHelper = new JavaScriptSerializer();
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QRCodeResult result = new QRCodeResult();
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QRCodeArgs body = new QRCodeArgs()
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{
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expire_seconds = 60 * 60 * 24 * days,
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action_name = "QR_SCENE",
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action_info = new QRCodeScene()
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{
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scene = new QRCodeSceneID()
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{
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scene_id = arg
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}
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}
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};
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string postData = jsonHelper.Serialize(body);
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string data = string.Empty;
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try
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{
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byte[] byteArray = Encoding.UTF8.GetBytes(postData);
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HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(new Uri(uriStr));
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webRequest.Method = "post";
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webRequest.ContentType = "application/x-www-form-urlencoded";
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webRequest.ContentLength = byteArray.Length;
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System.IO.Stream newStream = webRequest.GetRequestStream();
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newStream.Write(byteArray, 0, byteArray.Length);
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newStream.Close();
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HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
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data = new System.IO.StreamReader(response.GetResponseStream(), Encoding.GetEncoding("utf-8")).ReadToEnd();
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result = jsonHelper.Deserialize<QRCodeResult>(data);
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}
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catch (Exception e)
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{
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throw e;
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}
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if (result != null && !string.IsNullOrEmpty(result.ticket))
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{
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ticket = result.ticket;
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}
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return ticket;
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}
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/// <summary>
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/// 获取二维码图片
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/// </summary>
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/// <param name="ticket">票据</param>
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/// <param name="path">图片保存路径</param>
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/// <returns></returns>
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public static void GetQRPic(string ticket, string path)
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{
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string uriStr = string.Format("https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket={0}", ticket);
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try
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{
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WebClient webClient = new WebClient();
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webClient.DownloadFile(uriStr, path);
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}
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catch (Exception e)
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{
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throw e;
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}
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}
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}
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}
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