/**
* @param mixed $value
* @return FieldInterface
*/
public function setValue($value)
{
$this->isValid = null;
$this->validationErrors = null;
$this->value = Helper::stringify($value);
return $this;
}
/**
* @param string $endpoint The resource path of the Endpoint
* @return string Endpoint's full URI
*/
public final function getEndpoint($endpoint)
{
$baseEndpoint = $this->getBaseEndpoint();
$endpoint = Helper::stringify($endpoint);
if (empty($endpoint)) {
throw new \InvalidArgumentException("`{$endpoint}` is not a valid endpoint.");
}
return $baseEndpoint . $endpoint;
}
/**
* @return string The encrypted signature
*/
protected function generateSignature($secret, $order, $merchantParameters)
{
$key = Helper::base64url_decode($secret);
$key = Helper::mcrypt_encrypt_3DES($order, $key);
$sig = Helper::hash_hmac_sha256($merchantParameters, $key);
$sig = Helper::base64url_encode($sig);
return $sig;
}
/**
* @param mixed $value The value of the field
* @return FieldInterface
*/
public function setValue($value)
{
$this->value = Helper::stringify($value);
return $this;
}
/**
* Get the fully qualified name of a field's class.
*
* @param string $fieldName The field name
* @return string The field class name
*/
protected function resolveFieldClassName($fieldName)
{
// The field name should match its class name
$fieldPrefix = Helper::stringify($this->fieldPrefix);
$className = str_replace($fieldPrefix, '', $fieldName);
// If is not a fully qualified class name
// append our own base namespace
if ($className[0] !== '\\') {
return self::FIELD_BASE_NAMESPACE . $className;
}
return $className;
}