public void Test_ExecuteNum()
{
var time = DateTime.Now.AddSeconds(5) - DateTime.Now;
ExecuteNum e = new ExecuteNum("ind", time);
//for (int i = 0; i < 50; i++)
//{
// var num = e.GetNum();
//}
Assert.Equal(e.GetNum(), 1);
Assert.Equal(e.GetNum(), 2);
Assert.Equal(e.GetNum(), 3);
}
/// <summary>
/// 验证Token
/// </summary>
/// <param name="httpContext"></param>
/// <param name="interval">时间间隔</param>
/// <param name="nsecond">未标记请求请求可以访问次数</param>
/// <param name="usecond">标记请求可以访问次数（两分钟后清除标记）</param>
/// <returns></returns>
public static AntiMaliceToken ValidateToken(this HttpContext httpContext, int interval = 30, int nsecond = 15, int usecond = 5)
{
var antimaliceValue = httpContext.Request.Cookies.FirstOrDefault(t => t.Key == key).Value;
antimaliceValue = string.IsNullOrWhiteSpace(antimaliceValue) ? defaultValue : antimaliceValue;
var time = DateTime.Now.AddSeconds(interval) - DateTime.Now;
ExecuteNum executeNum = new ExecuteNum(antimaliceValue, time);
var num = executeNum.GetNum();
var antiMaliceToken = new AntiMaliceToken()
{
Num = num,
IsOk = true
};
if (antimaliceValue == defaultValue)//证明是没有标记的请求
{
antiMaliceToken.Type = 0;
httpContext.SetToken();
if (num > nsecond)//一定时间内不能超过多少次
{
antiMaliceToken.IsOk = false;
}
}
else
{
antiMaliceToken.Type = 1;
if (num > usecond)//有标记也不能频繁操作
{
antiMaliceToken.IsOk = false;
}
else
{
var valueString = antimaliceValue.DES3Decrypt(key);
var values = valueString.Split('|');
if (values.Length <= 1 || values[0] != "Talke")
{
antiMaliceToken.IsOk = false;
//httpContext.Response.Cookies.Delete(key);// 兼容 value 的修改
}
else if (DateTime.Parse(values[1]).AddMinutes(2) <= DateTime.Now)//清除2分钟前的标记
{
httpContext.Response.Cookies.Delete(key);
}
}
}
return(antiMaliceToken);
}