private static void RequiresNonNull(string property, object obj)
{
if (obj is null)
{
throw CheckoutArgumentException.WithMessage($"{property} cannot be null");
}
}
private static void RequiresNonBlank(string property, string content)
{
if (string.IsNullOrWhiteSpace(content))
{
throw CheckoutArgumentException.WithMessage($"{property} cannot be blank");
}
}
private static void ValidateMultipleParams(object[,] parameters)
{
if (parameters.Length == 0)
{
return;
}
for (var i = 0; i < parameters.GetLength(0); i++)
{
var property = parameters.GetValue(i, 0);
if (!(property is string prop) || string.IsNullOrEmpty(prop))
{
throw CheckoutArgumentException.WithMessage("invalid validation key");
}
var value = parameters.GetValue(i, 1);
if (value is string s)
{
RequiresNonBlank(prop, s);
continue;
}
RequiresNonNull(prop, value);
}
}
private static void ValidateSecretKey(Regex pattern, string key)
{
if (ValidKey(pattern, key))
{
return;
}
throw CheckoutArgumentException.WithMessage("invalid secret key");
}
private static void ValidatePublicKey(Regex pattern, string key)
{
// public key is not strictly mandatory
if (key == null)
{
return;
}
if (ValidKey(pattern, key))
{
return;
}
throw CheckoutArgumentException.WithMessage("invalid public key");
}
