public static string CreateHash(string plaintext)
{
byte[] array = EcCryptographer.CreateHash(Encoding.ASCII.GetBytes(plaintext));
StringBuilder stringBuilder = new StringBuilder();
for (int i = 0; i < array.Length; i++)
{
stringBuilder.Append(array[i].ToString("x2"));
}
return(stringBuilder.ToString());
}
public static bool CheckCopyright()
{
HttpContext current = HttpContext.Current;
XmlDocument xmlDocument = EcCache.Get(CacheCopyrightKey) as XmlDocument;
bool result;
if (xmlDocument == null)
{
string licenseFile;
if (current != null)
{
licenseFile = current.Request.MapPath("~/config/ecshop.lics");
}
else
{
licenseFile = System.IO.Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "ecshop.lics");
}
if (!File.Exists(licenseFile))
{
result = false;
return(result);
}
string license = "";
try
{
string text = File.ReadAllText(licenseFile);
license = EcCryptographer.Decrypt(text);
}
catch
{
return(false);
}
if (string.IsNullOrWhiteSpace(license))
{
return(false);
}
xmlDocument = new XmlDocument();
xmlDocument.LoadXml(license);
EcCache.Max(CacheCopyrightKey, xmlDocument, new CacheDependency(license));
}
XmlNode hostNode = xmlDocument.DocumentElement.SelectSingleNode("//Host");
XmlNode licenseDateNode = xmlDocument.DocumentElement.SelectSingleNode("//LicenseDate");
XmlNode expireDateNode = xmlDocument.DocumentElement.SelectSingleNode("//ExpiresDate");
XmlNode signNode = xmlDocument.DocumentElement.SelectSingleNode("//Signature");
XmlNode openPCNode = xmlDocument.DocumentElement.SelectSingleNode("//OpenPC");
XmlNode openWeixinNode = xmlDocument.DocumentElement.SelectSingleNode("//OpenWeixin");
XmlNode openAppNode = xmlDocument.DocumentElement.SelectSingleNode("//OpenApp");
XmlNode openWapNode = xmlDocument.DocumentElement.SelectSingleNode("//OpenWap");
XmlNode openAliohNode = xmlDocument.DocumentElement.SelectSingleNode("//OpenAliOH");
string host = current.Request.Url.Host;
if (host.EndsWith(hostNode.InnerText))
//if (string.Compare(hostNode.InnerText, host, true, System.Globalization.CultureInfo.InvariantCulture) != 0)
{
result = false;
}
else
{
string data = string.Format(System.Globalization.CultureInfo.InvariantCulture,
"Host={0}&LicenseDate={1:yyyy-MM-dd}&ExpiresDate={2:yyyy-MM-dd}&Key={3}&OpenPC={4}&OpenWeixin={5}&OpenApp={6}&OpenWap={7}&OpenAliOH={8}",
hostNode.InnerText, licenseDateNode.InnerText, expireDateNode.InnerText, LicenseHelper.GetSiteHash(),
openPCNode.InnerText, openWeixinNode.InnerText, openAppNode.InnerText, openWapNode.InnerText, openAliohNode.InnerText);
bool flag = false;
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(LicenseHelper.GetPublicKey());
RSAPKCS1SignatureDeformatter deformatter = new RSAPKCS1SignatureDeformatter(rsa);
deformatter.SetHashAlgorithm("SHA1");
byte[] rgbSignature = System.Convert.FromBase64String(signNode.InnerText);
SHA1Managed sHA1Managed = new SHA1Managed();
byte[] rgbHash = sHA1Managed.ComputeHash(System.Text.Encoding.UTF8.GetBytes(data));
flag = deformatter.VerifySignature(rgbHash, rgbSignature);
}
result = (flag && System.DateTime.Now < DateTime.Parse(expireDateNode.InnerText));
if (result)
{
ServiceStatus = true;
OpenPC = openPCNode.InnerText.Equals("1");
OpenApp = openAppNode.InnerText.Equals("1");
OpenWeixin = openWeixinNode.InnerText.Equals("1");
OpenWap = openWapNode.InnerText.Equals("1");
OpenAliOH = openAliohNode.InnerText.Equals("1");
}
}
return(result);
}