/// <summary>
/// Gets a new license for the given user and application
/// </summary>
/// <param name="user">User</param>
/// <param name="appID">Applicaton ID</param>
/// <returns>License for the given user and application</returns>
public static License GetNewLicense(User user, Guid appID)
{
if (user == null)
{
throw new Exception("A user must be specified");
}
else if (string.IsNullOrEmpty(user.Name))
{
throw new Exception("User name must be specified");
}
// Get the application
Application application = ApplicationDAL.GetApplication(appID);
if (application == null)
{
throw new Exception(string.Format("'{0}' is not a valid Appliation ID", appID.ToString()));
}
License license = new License()
{
Application = application,
IssuedOn = DateTime.Now,
IssuedTo = user,
Key = RegistrationDAL.GetUniqueLicenseKey()
};
InsertLicense(license);
return(license);
}
/// <summary>
/// Creates a License from the data contained in the data reader
/// </summary>
/// <param name="dr">Data reader</param>
/// <returns>License containing data in data reader</returns>
private static License FillLicense(DbDataReader dr)
{
return(new License()
{
Application = ApplicationDAL.FillApplication(dr),
IssuedOn = (DateTime)dr.GetDateTime("IssuedOn"),
IssuedTo = UserDAL.FillUser(dr),
Key = dr.GetString("LicenseKey")
});
}
/// <summary>
/// Gets an authorization key for a given hardware ID, application ID, and license key
/// </summary>
/// <param name="hardwareID">Hardware ID</param>
/// <param name="appID">Application ID</param>
/// <param name="licenseKey">License key</param>
/// <returns>Authorization key if parameters are valid, string.Empty otherwise</returns>
public static string GetAuthorizationKey(string hardwareID, Guid appID, string licenseKey)
{
string authKey = string.Empty;
if (string.IsNullOrEmpty(hardwareID))
{
throw new Exception("Hardware ID is missing");
}
else if (string.IsNullOrEmpty(licenseKey))
{
throw new Exception("License key is missing");
}
Application app = ApplicationDAL.GetApplication(appID);
if (app == null)
{
throw new Exception(string.Format("'{0}' is not a valid Appliation ID", appID.ToString()));
}
License license = LicenseDAL.GetLicense(licenseKey, appID);
if (license == null)
{
throw new Exception("The license key is not valid for this application");
}
if (license != null)
{
// Create Authorization key
string seed = string.Concat(hardwareID, appID.ToString(), licenseKey);
authKey = Utilities.Registration.GenerateSHA1Hash(seed);
}
InsertAuthorization(authKey, licenseKey, hardwareID);
return(authKey);
}
