public static string PrepareWeiChatXml(WeiChatContentMessage message)
{
StringBuilder xml = new StringBuilder("<xml>");
if (message != null)
{
xml.Append("<ToUserName>");
xml.Append(message.ToUserName != null ? message.ToUserName : "");
xml.Append("</ToUserName>");
xml.Append("<FromUserName>");
xml.Append(message.FromUserName != null ? message.FromUserName : "");
xml.Append("</FromUserName>");
xml.Append("<CreateTime>");
xml.Append(DateTimeUtil.ConvertDateTimeToInt(DateTime.Now));
xml.Append("</CreateTime>");
xml.Append("<MsgType>");
xml.Append(message.MsgType);
xml.Append("</MsgType>");
xml.Append("<Content>");
xml.Append(message.Content!=null?message.Content:"");
xml.Append("</Content>");
}
xml.Append("</xml>");
return xml.ToString();
}
public HttpResponseMessage GetCodeDirect()
{
this.IniRequest();
var resp = new HttpResponseMessage(HttpStatusCode.OK);
ApiMessage message = new ApiMessage();
string openId = string.Empty;
string openPublic = string.Empty;
string spName = string.Empty;
string signature = request["signature"];
string once= request["nonce"];
string timestamp = request["timestamp"];
string echostr = request["echostr"];
if (string.IsNullOrEmpty(signature) || string.IsNullOrEmpty(once) || string.IsNullOrEmpty(timestamp))
{
logger.Info("The request was not sent from weixin");
resp.Content = new StringContent("false", System.Text.Encoding.UTF8, "text/plain");
return resp;
}
logger.Info(string.Format("signature:{0},nonce:{1},timestamp:{2},echostr:{3}",signature,once,timestamp,echostr));
SortedSet<string> paras = new SortedSet<string>();
paras.Add(weixinToken);
paras.Add(once);
paras.Add(timestamp);
string strKey = "";
logger.Info(string.Format("signature posted by weixin is {0}", signature));
foreach (string v in paras)
{
strKey += v;
}
string sign = KMEncoder.SHA1_Hash(strKey);
logger.Info(string.Format("signature calculated in platform is {0}",sign));
if(signature!=sign)
{
logger.Info("two signatures are different, The request was not sent from weixin");
resp.Content = new StringContent("false", System.Text.Encoding.UTF8, "text/plain");
return resp;
}
//For weixin URL verification
if(!string.IsNullOrEmpty(echostr))
{
resp.Content = new StringContent(echostr, System.Text.Encoding.UTF8, "text/plain");
return resp;
}
try
{
ActivityManagement activityMgr = new ActivityManagement(0);
int agentId = 0;
int customerId = 0;
int activityId = 0;
int.TryParse(request["agentId"], out agentId);
int.TryParse(request["customerId"], out customerId);
int.TryParse(request["activityId"], out activityId);
System.IO.Stream sream = context.Request.InputStream;
StreamReader sr = new StreamReader(sream);
string strXML = sr.ReadToEnd();
sream.Close();
//strXML = "<xml><ToUserName><![CDATA[gh_3f1c1268428a]]></ToUserName><FromUserName><![CDATA[oNEHRsogX4seVvYK5v3S-veFUkEk]]></FromUserName><CreateTime>1446455044</CreateTime><MsgType><![CDATA[text]]></MsgType><Content><![CDATA[+联通]]></Content><MsgId>6212477109514836427</MsgId></xml>";
logger.Info(string.Format("Message pushed by Weichat server:{0}", strXML));
WeiChatReceivedContentMessage weiChatMessage = WeiChatMessageUtil.ParseWeichatXML(strXML,logger);
if (weiChatMessage != null)
{
if(weiChatMessage.Content!= null)
{
spName = weiChatMessage.Content.Trim();
}
if(weiChatMessage.FromUserName!=null)
{
openId = weiChatMessage.FromUserName;
}
if(weiChatMessage.ToUserName!=null)
{
openPublic = weiChatMessage.ToUserName;
}
}
if(string.IsNullOrEmpty(spName))
{
resp.Content = new StringContent("success", System.Text.Encoding.UTF8, "text/plain");
return resp;
}
if (!spName.Contains("+联通") && !spName.Contains("+移动") && !spName.Contains("+电信"))
{
resp.Content = new StringContent("success", System.Text.Encoding.UTF8, "text/plain");
return resp;
}
string url = activityMgr.GetOneRandomMarketOrderQrCodeUrl(spName, openId, agentId, customerId, activityId);
message.Item = url;
message.Status = "OK";
message.Message = "成功获取到二维码";
logger.Info(url);
}
catch (KMBitException kex)
{
logger.Warn(kex);
message.Message = kex.Message;
message.Status = "ERROR";
}
catch (Exception ex)
{
logger.Error(ex);
message.Message = "未知错误";
message.Status = "ERROR";
}
logger.Info(string.Format("GetOneRandomMarketOrderQrCodeUrl Status:{0}, Message:{1}",message.Status,message.Message));
string returnXml = "";
if (message.Status == "OK")
{
logger.Info("二维码获取成功，准备推送二维码到微信");
WeiChatNewsMessage news = new WeiChatNewsMessage();
news.ToUserName = openId;
news.FromUserName = openPublic;
news.MsgType = "news";
List<WeiChatArticle> articles = new List<WeiChatArticle>();
news.Articles = articles;
WeiChatArticle article = new WeiChatArticle()
{
Description = "",
Title = "将二维码保存到相册,微信->发现->扫一扫->相册，选择刚刚保存的二维码",
PicUrl = message.Item.ToString(),
Url = message.Item.ToString()
};
articles.Add(article);
returnXml = WeiChatMessageUtil.PrepareWeiChatNewsXml(news);
}
else
{
logger.Info("二维码获取失败");
WeiChatContentMessage msg = new WeiChatContentMessage()
{
Content = message.Message,
CreateTime = 0,
FromUserName = openPublic,
MsgType = "text",
ToUserName = openId
};
returnXml = WeiChatMessageUtil.PrepareWeiChatXml(msg);
}
//logger.Info(returnXml);
resp.Content = new StringContent(returnXml, System.Text.Encoding.UTF8, "text/plain");
return resp;
}