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<?php |
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declare(strict_types = 1); |
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namespace Sop\X509\Certificate\Extension; |
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use Sop\ASN1\Element; |
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use Sop\ASN1\Type\UnspecifiedType; |
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use Sop\X501\ASN1\Attribute; |
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use Sop\X501\ASN1\Collection\SequenceOfAttributes; |
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/** |
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* Implements 'Subject Directory Attributes' certificate extension. |
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* |
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* @see https://tools.ietf.org/html/rfc5280#section-4.2.1.8 |
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*/ |
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class SubjectDirectoryAttributesExtension extends Extension implements \Countable, \IteratorAggregate |
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{ |
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/** |
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* Attributes. |
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* |
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* @var SequenceOfAttributes |
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*/ |
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private $_attributes; |
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/** |
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* Constructor. |
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* |
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* @param bool $critical |
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* @param Attribute ...$attribs One or more Attribute objects |
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*/ |
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public function __construct(bool $critical, Attribute ...$attribs) |
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{ |
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parent::__construct(self::OID_SUBJECT_DIRECTORY_ATTRIBUTES, $critical); |
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$this->_attributes = new SequenceOfAttributes(...$attribs); |
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} |
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/** |
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* Check whether attribute is present. |
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* |
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* @param string $name OID or attribute name |
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* |
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* @return bool |
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*/ |
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public function has(string $name): bool |
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{ |
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return $this->_attributes->has($name); |
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} |
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/** |
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* Get first attribute by OID or attribute name. |
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* |
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* @param string $name OID or attribute name |
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* |
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* @throws \UnexpectedValueException if attribute is not present |
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* |
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* @return Attribute |
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*/ |
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public function firstOf(string $name): Attribute |
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{ |
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return $this->_attributes->firstOf($name); |
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} |
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/** |
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* Get all attributes of given name. |
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* |
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* @param string $name OID or attribute name |
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* |
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* @return Attribute[] |
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*/ |
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public function allOf(string $name): array |
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{ |
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return $this->_attributes->allOf($name); |
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} |
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/** |
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* Get all attributes. |
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* |
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* @return Attribute[] |
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*/ |
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public function all(): array |
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{ |
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return $this->_attributes->all(); |
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} |
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/** |
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* Get number of attributes. |
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* |
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* @return int |
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*/ |
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public function count(): int |
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{ |
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return count($this->_attributes); |
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} |
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/** |
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* Get iterator for attributes. |
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* |
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* @return \ArrayIterator|Attribute[] |
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*/ |
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public function getIterator(): \ArrayIterator |
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{ |
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return $this->_attributes->getIterator(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected static function _fromDER(string $data, bool $critical): Extension |
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{ |
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$attribs = SequenceOfAttributes::fromASN1( |
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UnspecifiedType::fromDER($data)->asSequence()); |
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if (!count($attribs)) { |
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throw new \UnexpectedValueException( |
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'SubjectDirectoryAttributes must have at least one Attribute.'); |
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} |
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return new self($critical, ...$attribs->all()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _valueASN1(): Element |
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{ |
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if (!count($this->_attributes)) { |
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throw new \LogicException('No attributes'); |
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} |
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return $this->_attributes->toASN1(); |
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} |
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} |
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sop /
x509
