public static bool CheckCopyright()
{
XmlDocument xmlDocument = HiCache.Get("Hishop_SiteLicense") as XmlDocument;
HttpContext current = HttpContext.Current;
bool result;
if (xmlDocument == null)
{
string text;
if (current != null)
{
text = current.Request.MapPath("~/config/Hishop.lic");
}
else
{
text = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Hishop.lic");
}
if (!File.Exists(text))
{
result = false;
return(result);
}
xmlDocument = new XmlDocument();
xmlDocument.LoadXml(File.ReadAllText(text));
HiCache.Max("Hishop_SiteLicense", xmlDocument, new CacheDependency(text));
}
XmlNode xmlNode = xmlDocument.DocumentElement.SelectSingleNode("//Host");
XmlNode xmlNode2 = xmlDocument.DocumentElement.SelectSingleNode("//LicenseDate");
XmlNode xmlNode3 = xmlDocument.DocumentElement.SelectSingleNode("//ExpiresDate");
XmlNode xmlNode4 = xmlDocument.DocumentElement.SelectSingleNode("//Signature");
SiteSettings masterSettings = SettingsManager.GetMasterSettings(false);
if (string.Compare(xmlNode.InnerText, masterSettings.SiteUrl, true, CultureInfo.InvariantCulture) != 0)
{
result = false;
}
else
{
string s = string.Format(CultureInfo.InvariantCulture, "Host={0}&LicenseDate={1}&ExpiresDate={2}&Key={3}", new object[]
{
masterSettings.SiteUrl,
xmlNode2.InnerText,
xmlNode3.InnerText,
masterSettings.CheckCode
});
bool flag = false;
using (RSACryptoServiceProvider rSACryptoServiceProvider = new RSACryptoServiceProvider())
{
rSACryptoServiceProvider.FromXmlString(LicenseHelper.GetPublicKey());
RSAPKCS1SignatureDeformatter rSAPKCS1SignatureDeformatter = new RSAPKCS1SignatureDeformatter(rSACryptoServiceProvider);
rSAPKCS1SignatureDeformatter.SetHashAlgorithm("SHA1");
byte[] rgbSignature = Convert.FromBase64String(xmlNode4.InnerText);
SHA1Managed sHA1Managed = new SHA1Managed();
byte[] rgbHash = sHA1Managed.ComputeHash(Encoding.UTF8.GetBytes(s));
flag = rSAPKCS1SignatureDeformatter.VerifySignature(rgbHash, rgbSignature);
}
result = (flag && DateTime.Now < DateTime.Parse(xmlNode3.InnerText));
}
return(result);
}
public static void Check(out bool isValid, out bool expired, out int siteQty)
{
siteQty = 0;
isValid = false;
expired = true;
XmlDocument xmlDocument = HiCache.Get("FileCache_CommercialLicenser") as XmlDocument;
if (xmlDocument == null)
{
string text = HttpContext.Current.Request.MapPath("/config/Certificates.cer");
if (!File.Exists(text))
{
return;
}
xmlDocument = new XmlDocument();
xmlDocument.LoadXml(File.ReadAllText(text));
HiCache.Max("FileCache_CommercialLicenser", xmlDocument, new CacheDependency(text));
}
XmlNode xmlNode = xmlDocument.DocumentElement.SelectSingleNode("//Host");
XmlNode xmlNode2 = xmlDocument.DocumentElement.SelectSingleNode("//LicenseDate");
XmlNode xmlNode3 = xmlDocument.DocumentElement.SelectSingleNode("//Expires");
XmlNode xmlNode4 = xmlDocument.DocumentElement.SelectSingleNode("//SiteQty");
XmlNode xmlNode5 = xmlDocument.DocumentElement.SelectSingleNode("//Signature");
if (string.Compare(xmlNode.InnerText, HttpContext.Current.Request.Url.Host, true, CultureInfo.InvariantCulture) == 0)
{
string s = string.Format(CultureInfo.InvariantCulture, "Host={0}&Expires={1}&SiteQty={2}&LicenseDate={3}", new object[]
{
HttpContext.Current.Request.Url.Host,
xmlNode3.InnerText,
xmlNode4.InnerText,
xmlNode2.InnerText
});
using (RSACryptoServiceProvider rSACryptoServiceProvider = new RSACryptoServiceProvider())
{
rSACryptoServiceProvider.FromXmlString(LicenseHelper.GetPublicKey());
RSAPKCS1SignatureDeformatter rSAPKCS1SignatureDeformatter = new RSAPKCS1SignatureDeformatter(rSACryptoServiceProvider);
rSAPKCS1SignatureDeformatter.SetHashAlgorithm("SHA1");
byte[] rgbSignature = Convert.FromBase64String(xmlNode5.InnerText);
SHA1Managed sHA1Managed = new SHA1Managed();
byte[] rgbHash = sHA1Managed.ComputeHash(Encoding.UTF8.GetBytes(s));
isValid = rSAPKCS1SignatureDeformatter.VerifySignature(rgbHash, rgbSignature);
}
expired = (DateTime.Now > DateTime.Parse(xmlNode3.InnerText));
if (isValid && !expired)
{
int.TryParse(xmlNode4.InnerText, out siteQty);
}
}
}
