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<?php |
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declare(strict_types = 1); |
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namespace X509\Certificate\Extension; |
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use ASN1\Type\UnspecifiedType; |
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use ASN1\Type\Constructed\Sequence; |
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use X501\ASN1\Attribute; |
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use X509\Feature\AttributeContainer; |
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/** |
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* Implements 'Subject Directory Attributes' certificate extension. |
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* |
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* @link https://tools.ietf.org/html/rfc5280#section-4.2.1.8 |
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*/ |
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class SubjectDirectoryAttributesExtension extends Extension implements |
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\Countable, |
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\IteratorAggregate |
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{ |
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use AttributeContainer; |
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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 = $attribs; |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @return self |
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*/ |
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protected static function _fromDER(string $data, bool $critical): self |
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{ |
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$attribs = array_map( |
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function (UnspecifiedType $el) { |
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return Attribute::fromASN1($el->asSequence()); |
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}, UnspecifiedType::fromDER($data)->asSequence()->elements()); |
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if (!count($attribs)) { |
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1 |
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throw new \UnexpectedValueException( |
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1 |
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"SubjectDirectoryAttributes must have at least one Attribute."); |
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} |
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return new self($critical, ...$attribs); |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @return Sequence |
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*/ |
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protected function _valueASN1(): Sequence |
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{ |
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if (!count($this->_attributes)) { |
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1 |
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throw new \LogicException("No attributes"); |
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} |
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$elements = array_map( |
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function (Attribute $attr) { |
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return $attr->toASN1(); |
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}, array_values($this->_attributes)); |
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return new Sequence(...$elements); |
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} |
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} |
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et-nik /
x509
