internal static Class53 smethod_1(Enum0 requiredEdition)
{
Assembly executingAssembly = Assembly.GetExecutingAssembly();
Attribute0 customAttribute = (Attribute0)executingAssembly.GetCustomAttributes(typeof(Attribute0), true)[0];
Class53 licenseInfo = new Class53(customAttribute.ProductName);
Class123.smethod_2(licenseInfo, executingAssembly, customAttribute, requiredEdition);
return(licenseInfo);
}
internal static void smethod_0(Enum0 edition)
{
Class53 class53 = Class123.smethod_1(edition);
if (class53.LicensedEdition < edition)
{
string str;
if (class53.IsTrial)
{
str = "Trial period expired!";
}
else
{
str = class53.ProductName + " " + (object)class53.LicensedEdition + " is not licensed.";
}
int num = (int)MessageBox.Show(class53.Message, str, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
throw new InternalException(str);
}
}
private static Class53 smethod_2(
Class53 licenseInfo,
Assembly assembly,
Attribute0 productAttribute,
Enum0 requiredEdition)
{
string xmlString = "<RSAKeyValue><Modulus>5tmp6YoXLdKEUTC0PvXQmgM9V+jtb2LBV/6nCO8l/4StX9muFDQRSrtJAEH8sXcHu5Fgr7Y00oddMMSwfjXgiAG0b4WMhfF3s2/Cpw9MqFJXVnoeMr8dKHCr2Dp6cue6yCb3rIwjbRCYavYCHFmywBhrfztx6m125PD6TuDYDN0=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
RSACryptoServiceProvider cryptoServiceProvider = new RSACryptoServiceProvider(new CspParameters()
{
Flags = CspProviderFlags.UseMachineKeyStore
});
cryptoServiceProvider.FromXmlString(xmlString);
XmlDocument license = License.GetLicense();
SignedXml signedXml = new SignedXml(license);
try
{
XmlNode xmlNode = license.GetElementsByTagName("Signature", "http://www.w3.org/2000/09/xmldsig#")[0];
signedXml.LoadXml((XmlElement)xmlNode);
}
catch (Exception ex)
{
licenseInfo.Message = "Error: no signature found.";
licenseInfo.Exception = ex;
return(licenseInfo);
}
if (signedXml.CheckSignature((AsymmetricAlgorithm)cryptoServiceProvider))
{
XmlNodeList elementsByTagName1 = license.GetElementsByTagName("product");
XmlNode xmlNode1 = (XmlNode)null;
foreach (XmlNode xmlNode2 in elementsByTagName1)
{
if (xmlNode2.Attributes["name"].Value == licenseInfo.ProductName)
{
xmlNode1 = xmlNode2;
break;
}
}
if (xmlNode1 == null)
{
licenseInfo.Message = "Wrong license.";
return(licenseInfo);
}
Version version1 = assembly.GetName().Version;
string[] strArray = xmlNode1.Attributes["version"].Value.Split('.');
Version version2 = new Version(strArray[0] == "*" ? (int)byte.MaxValue : int.Parse(strArray[0], (IFormatProvider)CultureInfo.InvariantCulture), strArray[1] == "*" ? (int)byte.MaxValue : int.Parse(strArray[1], (IFormatProvider)CultureInfo.InvariantCulture), strArray[2] == "*" ? (int)byte.MaxValue : int.Parse(strArray[2], (IFormatProvider)CultureInfo.InvariantCulture));
if (version1.CompareTo(version2) > 0)
{
licenseInfo.Message = "Wrong license version.";
return(licenseInfo);
}
Enum0 enum0 = Enum0.const_0;
switch (xmlNode1.Attributes["edition"].Value)
{
case "basic":
enum0 = Enum0.const_1;
break;
case "standard":
enum0 = Enum0.const_2;
break;
case "professional":
enum0 = Enum0.const_3;
break;
}
if (requiredEdition > enum0)
{
licenseInfo.Message = "Insufficient license edition.";
return(licenseInfo);
}
if (DateTime.Parse(xmlNode1.Attributes["expirationDate"].Value, (IFormatProvider)CultureInfo.InvariantCulture) < productAttribute.ReleaseDate)
{
licenseInfo.Message = "The license is not valid for this release of " + licenseInfo.ProductName + ", renew your license.";
return(licenseInfo);
}
string str = xmlNode1.Attributes["type"].Value;
if (str == "runtime")
{
licenseInfo.LicensedEdition = enum0;
XmlNodeList elementsByTagName2 = license.GetElementsByTagName("licensee");
licenseInfo.Licensee = elementsByTagName2[0].InnerText;
return(licenseInfo);
}
if (str == "trial")
{
licenseInfo.IsTrial = true;
DateTime firstUsedDate;
DateTime lastUsedDate;
if (Class123.smethod_4(productAttribute, out firstUsedDate, out lastUsedDate))
{
DateTime t1 = firstUsedDate.AddDays(31.0);
DateTime utcNow = DateTime.UtcNow;
if (lastUsedDate.Ticks > utcNow.Ticks)
{
licenseInfo.Message = "Licence check error.";
return(licenseInfo);
}
Class123.smethod_5(productAttribute, firstUsedDate, utcNow);
if (DateTime.Compare(t1, utcNow) >= 0)
{
licenseInfo.TrialDaysLeft = Math.Max(0, t1.Subtract(utcNow).Days);
licenseInfo.LicensedEdition = enum0;
return(licenseInfo);
}
licenseInfo.Message = "Trial period of 30 days expired.";
return(licenseInfo);
}
licenseInfo.TrialDaysLeft = 30;
Class123.smethod_5(productAttribute, DateTime.UtcNow, DateTime.UtcNow);
licenseInfo.LicensedEdition = enum0;
return(licenseInfo);
}
licenseInfo.Message = "Wrong license type.";
return(licenseInfo);
}
licenseInfo.Message = "Invalid license.";
return(licenseInfo);
}