public static bool CheckAuthorization(string authorizationFilePath, byte[] publicKey, ref string expiresDate)
{
if (!string.IsNullOrEmpty(authorizationFilePath))
{
string authString = System.IO.File.ReadAllText(authorizationFilePath);
JObject authJsonObj = Newtonsoft.Json.JsonConvert.DeserializeObject(authString) as JObject;
var signature = authJsonObj["signature"].ToString();
var data = authJsonObj["data"].ToString();
var isSignatureOkay = RSACommon.VerifyMessage(publicKey, signature, data);
if (isSignatureOkay)
{
var json = System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(data));
JObject registerObj = Newtonsoft.Json.JsonConvert.DeserializeObject(json) as JObject;
if ((bool)registerObj["IsRegister"])
{
//检查当前电脑硬件信息，匹配成功才合法
var computer = MyComputerInfo.Instance();
if (registerObj["CpuID"].ToString() == computer.CpuID &&
computer.IsExistMacAddress(registerObj["MacAddress"].ToString()) &&
registerObj["DiskID"].ToString() == computer.DiskID
)
{
expiresDate = registerObj["ExpirationDate"].ToString();
return(true);
}
}
}
}
return(false);
}
public static MyComputerInfo Instance()
{
if (_instance == null)
{
_instance = new MyComputerInfo();
}
return(_instance);
}
