private string GetRandHostUrl()
{
Random ran = new Random();
string randUrl = "";
bool isBlacklist = true;
// int xx = 0;//没有做剔除操作，暂时限制循环次数。
while (isBlacklist)
{
try
{
string hosturl = ConfigTool.ReadVerifyConfig("HostHttp", "HostUrl");//这些域名都需要指向用户最终要访问的站点
string[] sArray = hosturl.Split(',');
int RandKey1 = ran.Next(0, sArray.Length);//随机选中域名
randUrl = sArray[RandKey1];
wxCheckApi = ConfigTool.ReadVerifyConfig("wxCheckApi", "WeiXin");;
wxCheckApiKey = ConfigTool.ReadVerifyConfig("wxCheckApiKey", "WeiXin");
WebRequest wr = (HttpWebRequest)WebRequest.Create(wxCheckApi + "?key=" + wxCheckApiKey + "&url=http://" + randUrl);
var stream = wr.GetResponse().GetResponseStream();
var sr = new StreamReader(stream, Encoding.GetEncoding("UTF-8"));
var all = sr.ReadToEnd();
sr.Close();
stream.Close();
//读取网站的数据
if (all.Contains("屏蔽"))
{
//剔除域名
if (hosturl.Contains(sArray[RandKey1] + ","))
{
hosturl = hosturl.Replace(sArray[RandKey1] + ",", "");
}
if (hosturl.Contains("," + sArray[RandKey1]))
{
hosturl = hosturl.Replace("," + sArray[RandKey1], "");
}
ConfigTool.WriteVerifyConfig("Host", hosturl, "HostUrl");//剔除黑名单域名
}
else
{
isBlacklist = false;
return(randUrl);
}
}
catch (Exception ex)
{
randUrl = "";
//randUrl = ex.Message.ToString();
return(randUrl);
}
}
return(randUrl);
}
public void ProcessRequest(HttpContext context)
{
//GET /index.php?g=Wap&m=Vote&a=index&token=uDSrEHNs9CFGcTSC&wecha_id=ocMqvwRjzPH9eseHRc_Z9nlP-DSM&id=25&iMicms=mp.weixin.qq.com HTTP/1.1
context.Response.ContentType = "text/plain";
pToken = QueryString("token");
pWecha_id = QueryString("wecha_id");
pId = QueryString("id");
iMicms = QueryString("iMicms");
stateUrl = ConfigTool.ReadVerifyConfig("state", "Other");
if (stateUrl.Equals("true"))
{
string tokens = ConfigTool.ReadVerifyConfig("tokens", "Other");
if (tokens.Contains(pToken))
{
string pRedirectUrl = "http://" + GetRandHostUrl() + "/index.php?g=Wap&m=Vote&a=index&id=" + pId + "&token=" + pToken + "&wecha_id=" + pWecha_id + "&iMicms=" + iMicms;
string json = "{\"Mode\": \"WXCheckUrl\", \"Param\": \"{\'CheckUrl\':\'" + pRedirectUrl + "\'}\"}";
_service = new ServiceApi();
string resultCheck = _service.Api(json);
if (!resultCheck.Contains("屏蔽"))
{
//域名未被微信封号
hmdOpenid = ConfigTool.ReadVerifyConfig("hmdOpenid", "Other");
if (!hmdOpenid.Contains(pWecha_id))
{
//当前访问的用户不在黑名单
redirectUrl = pRedirectUrl;
Logger.WriteLoggger("openid:" + pWecha_id); //后续可以扩展，可以屏蔽一些恶意投诉的微信号
}
}
else
{
//修改投票状态
ConfigTool.WriteVerifyConfig("state", "false", "Other");
Logger.WriteLoggger("恶意的openid:" + pWecha_id); //后续可以扩展，可以屏蔽一些恶意投诉的微信号
}
}
}
context.Response.Redirect(redirectUrl);
// context.Response.Write(redirectUrl);
context.Response.End();
}