/// <summary>
/// Saves the license to disk.
/// </summary>
protected void PersistLicenseToDisk()
{
MemoryStream ms = null;
try
{
//create the license XML
ms = new MemoryStream();
XmlTextWriter tw = new XmlTextWriter(ms, System.Text.Encoding.UTF8);
tw.WriteStartElement(_XML_LICENSE_NODE);
tw.WriteAttributeString(_XML_REGISTRATION_ATTRIBUTE, RegistrationEmail);
tw.WriteAttributeString(_XML_ACTIVATIONKEY_ATTRIBUTE, ActivationKey);
tw.WriteEndElement();
tw.Flush();
//encrypt the XML
ms.Position = 0;
StreamReader sr = new StreamReader(ms);
Cryptographer crypto = new Cryptographer();
string license = crypto.Encrypt(sr.ReadToEnd(), SystemInformation.ComputerName);
//write the license to disk
StreamWriter sw = new StreamWriter(LicensePath, false, System.Text.Encoding.UTF8);
sw.Write(license);
sw.Flush();
}
catch (Exception exc)
{
throw new LicenseSaveException(exc);
}
finally
{
if (ms != null)
ms.Close();
}
}
/// <summary>
/// Generates the activation key for a given email address.
/// </summary>
/// <param name="registrationName"></param>
/// <returns></returns>
protected string GenerateActivationKey(string registrationName)
{
Cryptographer crypto = new Cryptographer();
string keyHash = crypto.Hash(registrationName + _APPLICATION_KEY);
System.Text.StringBuilder sb = new System.Text.StringBuilder(_ACTIVATION_KEY_LENGTH);
foreach (char c in keyHash)
sb.Append(_READABLE_HASH_CHARS[Convert.ToInt32((int)c / ((float)127 / (float)32))]);
return sb.ToString();
}
/// <summary>
/// Gets the MD5 checksum for the passed WSDL, in hexadecimal format.
/// </summary>
/// <param name="wsdl">WSDL to generate checksum.</param>
/// <returns>Checksum in hexadecimal format.</returns>
public string GetWsdlChecksum(string wsdl)
{
Cryptographer crypto = new Cryptographer();
return IOUtilities.ConvertToHex(crypto.Hash(wsdl));
}
