private async Task CheckInternal()
{
AspNetZeroLicenseChecker zeroLicenseChecker = this;
try
{
zeroLicenseChecker._uniqueComputerId = AspNetZeroLicenseChecker.GetUniqueComputerId();
zeroLicenseChecker._licenseCheckFilePath = Path.Combine(Path.GetTempPath(), zeroLicenseChecker.GetHashedValue(zeroLicenseChecker.GetLicenseCode()) + ".tmp");
zeroLicenseChecker.Logger.Debug(zeroLicenseChecker._licenseCheckFilePath);
}
catch
{
return;
}
try
{
if (!zeroLicenseChecker.IsProjectNameValid())
{
throw new AspNetZeroLicenseException("Failed to validate project name. Should not rename a project downloaded from aspnetzero.com. You can contact to [email protected] if you are using a licensed product.");
}
if (zeroLicenseChecker.CheckedBefore())
{
return;
}
}
catch (Exception ex)
{
zeroLicenseChecker.Logger.Fatal("Failed to validate project name. Should not rename a project downloaded from aspnetzero.com. You can contact to [email protected] if you are using a licensed product." + Environment.NewLine + ex.Message, ex);
Environment.Exit(-42);
}
await zeroLicenseChecker.ValidateLicenseOnServer();
}
private static string GetLicenseExpiredString()
{
return(AspNetZeroLicenseChecker.StringGeneratorFromInteger(new int[29]
{
1400382,
1103131,
973808,
360813,
1240081,
1210727,
1092451,
1070315,
1281862,
1270461,
400917,
1310564,
1760086,
1220024,
1471866,
1142506,
1020320,
622427,
1591867,
630063,
1160906,
320602,
1101332,
1240054,
1140016,
480081,
1160031,
1260050,
1540058
}));
}
protected override string GetSalt()
{
return(AspNetZeroLicenseChecker.StringGeneratorFromInteger(new int[20]
{
1040716,
800845,
530130,
1070016,
1150778,
561680,
610543,
1100661,
850465,
701962,
720252,
450500,
1041016,
580023,
1060241,
670061,
1190528,
580670,
620222,
1070077
}));
}
private bool CheckedBefore()
{
if (!File.Exists(this._licenseCheckFilePath))
{
return(false);
}
string licenseCheckDate = this.GetLastLicenseCheckDate();
if (this.GetHashedValue(AspNetZeroLicenseChecker.GetTodayAsString()) == licenseCheckDate || this.GetHashedValue(AspNetZeroLicenseChecker.GetLicenseExpiredString()) == licenseCheckDate)
{
return(true);
}
File.Delete(this._licenseCheckFilePath);
return(false);
}
private async Task <LicenseValidationResult> ValidateLicense(
string licenseCode)
{
AspNetZeroLicenseChecker zeroLicenseChecker = this;
LicenseValidationResult result;
using (HttpClient httpClient = new HttpClient())
{
httpClient.BaseAddress = new Uri("https://www.aspnetzero.com/");
httpClient.DefaultRequestHeaders.Accept.Clear();
httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
LicenseCheckInfo licenseInfo = new LicenseCheckInfo()
{
LicenseCode = licenseCode,
UniqueComputerId = zeroLicenseChecker._uniqueComputerId,
ComputerName = AspNetZeroLicenseChecker.GetComputerName(),
ControlCode = Guid.NewGuid().ToString(),
DateOfClient = DateTime.Now,
ProjectAssemblyName = zeroLicenseChecker.GetAssemblyName(),
LicenseController = zeroLicenseChecker.GetLicenseController()
};
HttpResponseMessage httpResponseMessage = await httpClient.PostAsync("LicenseManagement/CheckLicense", (HttpContent) new StringContent(licenseInfo.ToJsonString(false, false), Encoding.UTF8, "application/json"));
if (!httpResponseMessage.IsSuccessStatusCode)
{
throw new AbpException("Failed on license check");
}
AjaxResponse <LicenseValidationResult> ajaxResponse = JsonConvert.DeserializeObject <AjaxResponse <LicenseValidationResult> >(await httpResponseMessage.Content.ReadAsStringAsync());
if (ajaxResponse.Success && ajaxResponse.Result != null)
{
if (zeroLicenseChecker.GetHashedValue(licenseInfo.ControlCode) != ajaxResponse.Result.ControlCode)
{
throw new AspNetZeroLicenseException("Failed on license check");
}
result = ajaxResponse.Result;
licenseInfo = (LicenseCheckInfo)null;
}
else
{
ErrorInfo error = ajaxResponse.Error;
throw new AbpException(error == null || error.Message == null ? "Failed on license check" : error.Message);
}
}
return(result);
}
protected override string GetHashedValueWithoutUniqueComputerId(string str)
{
using (MD5CryptoServiceProvider cryptoServiceProvider = new MD5CryptoServiceProvider())
return(AspNetZeroLicenseChecker.EncodeBase64(cryptoServiceProvider.ComputeHash(Encoding.UTF8.GetBytes(str + this.GetSalt()))));
}
private void MarkAsLastRequest()
{
File.WriteAllText(this._licenseCheckFilePath, this.GetHashedValue(AspNetZeroLicenseChecker.GetLicenseExpiredString()));
}
private void UpdateLastLicenseCheckDate()
{
File.WriteAllText(this._licenseCheckFilePath, this.GetHashedValue(AspNetZeroLicenseChecker.GetTodayAsString()));
}