//检查注册频率
private IActionResult checkRegRates(string vcode, string vregval, string regip)
{
string key = "ip_regrates_" + regip;
string c = UrsHelper.Cache_GetObj(key) as string;
if (false == string.IsNullOrEmpty(c))
{
RegCompact prev = RegCompact.Parse(c);
if (prev.isOver())
{
//如果传递了vcode和vregval 说明提交了验证码
if (vcode.Length == 4 && vregval.Length > 0)
{
//先判断vcode是否被重用了
if (UrsHelper.Cache_GetObj(string.Format("cache_reg_code_{0}_ip_{1}", vcode, regip)) != null)
{
return(this.FuncResult(new APIReturn(10102, "请刷新验证码")));
}
this.regcode = vcode;
return(decRegVal(vregval, vcode, regip));
}
else
{
return(createVCode(regip));
}
}
}
return(null);
}
void addRegSuc(string regip)
{
RegCompact prev;
string key = "ip_regrates_" + regip;
string c = UrsHelper.Cache_GetObj(key) as string;
if (false == string.IsNullOrEmpty(c))
{
prev = RegCompact.Parse(c);
prev.update(DateTime.Now);
}
else
{
prev = new RegCompact(DateTime.Now);
}
UrsHelper.Cache_SetObj(key, prev.ToString(), 60, 0);
//一旦通过验证码完成注册，则将此码和ip一起作为key，添加缓存，下次提交验证码时判断，
//是否有此session，有则怀疑重复提交相同验证码,10分钟都不允许同ip提交相同验证码，会误伤
if (!string.IsNullOrWhiteSpace(this.regcode) && this.regcode.Length == 4)
{
UrsHelper.Cache_SetObj(string.Format("cache_reg_code_{0}_ip_{1}", this.regcode, regip), 1, 10, 0);
}
}