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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 X509\Certificate\Extension\AccessDescription\AccessDescription; |
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use X509\Certificate\Extension\AccessDescription\SubjectAccessDescription; |
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/** |
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* Implements 'Subject Information Access' extension. |
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* |
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* @link https://tools.ietf.org/html/rfc5280#section-4.2.2.2 |
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*/ |
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class SubjectInformationAccessExtension extends Extension implements |
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\Countable, |
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\IteratorAggregate |
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{ |
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/** |
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* Access descriptions. |
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* |
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* @var SubjectAccessDescription[] |
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*/ |
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private $_accessDescriptions; |
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/** |
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* Constructor. |
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* |
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* @param bool $critical |
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* @param SubjectAccessDescription ...$access |
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*/ |
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public function __construct(bool $critical, |
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SubjectAccessDescription ...$access) |
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{ |
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parent::__construct(self::OID_SUBJECT_INFORMATION_ACCESS, $critical); |
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$this->_accessDescriptions = $access; |
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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 $critical): self |
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{ |
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$access = array_map( |
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function (UnspecifiedType $el) { |
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return SubjectAccessDescription::fromASN1($el->asSequence()); |
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}, UnspecifiedType::fromDER($data)->asSequence()->elements()); |
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return new self($critical, ...$access); |
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} |
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/** |
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* Get the access descriptions. |
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* |
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* @return SubjectAccessDescription[] |
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*/ |
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public function accessDescriptions(): array |
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{ |
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return $this->_accessDescriptions; |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @return Sequence |
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*/ |
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protected function _valueASN1(): Sequence |
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{ |
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$elements = array_map( |
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function (AccessDescription $access) { |
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return $access->toASN1(); |
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}, $this->_accessDescriptions); |
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return new Sequence(...$elements); |
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} |
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/** |
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* Get the number of access descriptions. |
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* |
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* @see \Countable::count() |
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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($this->_accessDescriptions); |
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} |
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/** |
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* Get iterator for access descriptions. |
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* |
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* @see \IteratorAggregate::getIterator() |
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* @return \ArrayIterator List of SubjectAccessDescription objects |
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*/ |
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public function getIterator(): \ArrayIterator |
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{ |
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return new \ArrayIterator($this->_accessDescriptions); |
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} |
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} |
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sop /
x509
