public T DecryptCookie <T>(string cookieValue, Dictionary <string, string> parameters)
{
T result = default(T);
string strEncCookieValue = string.Empty;
string strContent = string.Empty;
string strSHA1Sign = string.Empty;
string strShA1Temp = string.Empty;
string[] arrayCookieValue = new string[2];
try
{
if (cookieValue.Length < 40)
{
return(result);
}
// 取出签名和密文
strSHA1Sign = cookieValue.Substring(0, 40);
strEncCookieValue = cookieValue.Substring(40);
// 签名校验
strShA1Temp = HashEncrypt.SHA1Encrypt(HttpUtility.UrlDecode(strEncCookieValue).Trim() + parameters["hashkey"]);
if (strSHA1Sign != strShA1Temp)
{
return(result);
}
strEncCookieValue = HttpUtility.UrlDecode(strEncCookieValue);
// 还原成明文
strContent = RC4Encrypt.Decrypt(strEncCookieValue, parameters["rc4key"], RC4Encrypt.EncoderMode.HexEncoder);
if (strContent.Length == 0)
{
return(result);
}
arrayCookieValue = SerializationUtility.JsonDeserialize3 <string[]>(strContent);
if (arrayCookieValue != null && arrayCookieValue.Length == 3)
{
if (DateTime.Parse(arrayCookieValue[1]) > DateTime.Now && GetClientIP() == arrayCookieValue[2])
{
result = SerializationUtility.JsonDeserialize2 <T>(arrayCookieValue[0]);
//Cookie有效，则继续延续有效期
CookieHelper.SaveCookie <T>(parameters["nodeName"], result);
}
}
return(result);
}
catch
{
return(result);
}
}
public T DecryptCookie <T>(string cookieValue, Dictionary <string, string> parameters)
{
T result = default(T);
string strEncCookieValue = string.Empty;
string strContent = string.Empty;
string strSHA1Sign = string.Empty;
string strShA1Temp = string.Empty;
try
{
if (cookieValue.Length < 40)
{
return(result);
}
// 取出签名和密文
strSHA1Sign = cookieValue.Substring(0, 40);
strEncCookieValue = cookieValue.Substring(40);
// 签名校验
strShA1Temp = HashEncrypt.SHA1Encrypt(HttpUtility.UrlDecode(strEncCookieValue).Trim() + parameters["hashkey"]);
if (strSHA1Sign != strShA1Temp)
{
return(result);
}
strEncCookieValue = HttpUtility.UrlDecode(strEncCookieValue);
// 还原成明文
strContent = RC4Encrypt.Decrypt(strEncCookieValue, parameters["rc4key"], RC4Encrypt.EncoderMode.HexEncoder);
if (strContent.Length == 0)
{
return(result);
}
result = SerializationUtility.JsonDeserialize3 <T>(strContent);
return(result);
}
catch
{
return(result);
}
}
public T DecryptCookie <T>(string cookieValue, Dictionary <string, string> parameters)
{
return(SerializationUtility.JsonDeserialize3 <T>(cookieValue));
}
