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<?php
declare(strict_types=1);
namespace SpomkyLabs\Pki\X509\CertificationRequest;
use LogicException;
use SpomkyLabs\Pki\X501\ASN1\Attribute;
use SpomkyLabs\Pki\X501\ASN1\AttributeValue\AttributeValue;
use SpomkyLabs\Pki\X501\ASN1\Collection\SetOfAttributes;
use SpomkyLabs\Pki\X509\CertificationRequest\Attribute\ExtensionRequestValue;
/**
* Implements *Attributes* ASN.1 type of *CertificationRequestInfo*.
*
* @see https://tools.ietf.org/html/rfc2986#section-4
*/
final class Attributes extends SetOfAttributes
{
/**
* Mapping from OID to attribute value class name.
*
* @internal
*
* @var array<string, string>
*/
private const MAP_OID_TO_CLASS = [
ExtensionRequestValue::OID => ExtensionRequestValue::class,
];
/**
* Initialize from attribute values.
*
* @param AttributeValue ...$values List of attribute values
*/
public static function fromAttributeValues(AttributeValue ...$values): static
{
return static::create(...array_map(static fn (AttributeValue $value) => $value->toAttribute(), $values));
}
/**
* Check whether extension request attribute is present.
*/
public function hasExtensionRequest(): bool
{
return $this->has(ExtensionRequestValue::OID);
}
/**
* Get extension request attribute value.
*/
public function extensionRequest(): ExtensionRequestValue
{
if (! $this->hasExtensionRequest()) {
throw new LogicException('No extension request attribute.');
}
return $this->firstOf(ExtensionRequestValue::OID)->first();
}
protected static function _castAttributeValues(Attribute $attribute): Attribute
{
$oid = $attribute->oid();
if (isset(self::MAP_OID_TO_CLASS[$oid])) {
return $attribute->castValues(self::MAP_OID_TO_CLASS[$oid]);
}
return $attribute;
}
}