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<?php |
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declare(strict_types = 1); |
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namespace Sop\X501\ASN1\AttributeValue; |
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use Sop\ASN1\Element; |
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use Sop\X501\DN\DNParser; |
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use Sop\X501\MatchingRule\BinaryMatch; |
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use Sop\X501\MatchingRule\MatchingRule; |
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use Sop\X501\StringPrep\TranscodeStep; |
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/** |
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* Class to hold ASN.1 structure of an unimplemented attribute value. |
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*/ |
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class UnknownAttributeValue extends AttributeValue |
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{ |
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/** |
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* ASN.1 element. |
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* |
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* @var Element |
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*/ |
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protected $_element; |
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/** |
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* Constructor. |
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* |
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* @param string $oid |
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* @param Element $el |
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*/ |
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public function __construct(string $oid, Element $el) |
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{ |
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$this->_oid = $oid; |
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$this->_element = $el; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function toASN1(): Element |
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{ |
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return $this->_element; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function stringValue(): string |
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{ |
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// if value is encoded as a string type |
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if ($this->_element->isType(Element::TYPE_STRING)) { |
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return $this->_element->asUnspecified()->asString()->string(); |
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} |
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// return DER encoding as a hexstring (see RFC2253 section 2.4) |
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return '#' . bin2hex($this->_element->toDER()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function equalityMatchingRule(): MatchingRule |
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{ |
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return new BinaryMatch(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function rfc2253String(): string |
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{ |
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$str = $this->_transcodedString(); |
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// if value has a string representation |
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if ($this->_element->isType(Element::TYPE_STRING)) { |
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$str = DNParser::escapeString($str); |
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} |
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return $str; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _transcodedString(): string |
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{ |
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// if transcoding is defined for the value type |
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if (TranscodeStep::isTypeSupported($this->_element->tag())) { |
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$step = new TranscodeStep($this->_element->tag()); |
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return $step->apply($this->stringValue()); |
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} |
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return $this->stringValue(); |
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} |
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} |
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sop /
x501
