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<?php |
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declare(strict_types = 1); |
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namespace Sop\X501\ASN1; |
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use Sop\ASN1\Type\Constructed\Sequence; |
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use Sop\X501\ASN1\AttributeValue\AttributeValue; |
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use Sop\X501\ASN1\Feature\TypedAttribute; |
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/** |
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* Implements <i>AttributeTypeAndValue</i> ASN.1 type. |
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* |
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* @see https://www.itu.int/ITU-T/formal-language/itu-t/x/x501/2012/InformationFramework.html#InformationFramework.AttributeTypeAndValue |
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*/ |
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class AttributeTypeAndValue |
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{ |
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use TypedAttribute; |
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/** |
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* Attribute value. |
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* |
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* @var AttributeValue |
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*/ |
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protected $_value; |
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/** |
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* Constructor. |
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* |
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* @param AttributeType $type Attribute type |
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* @param AttributeValue $value Attribute value |
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*/ |
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public function __construct(AttributeType $type, AttributeValue $value) |
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{ |
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$this->_type = $type; |
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$this->_value = $value; |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->toString(); |
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} |
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/** |
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* Initialize from ASN.1. |
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* |
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* @param Sequence $seq |
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* |
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* @return self |
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*/ |
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public static function fromASN1(Sequence $seq): self |
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{ |
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$type = AttributeType::fromASN1($seq->at(0)->asObjectIdentifier()); |
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$value = AttributeValue::fromASN1ByOID($type->oid(), $seq->at(1)); |
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return new self($type, $value); |
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} |
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/** |
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* Convenience method to initialize from attribute value. |
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* |
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* @param AttributeValue $value Attribute value |
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* |
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* @return self |
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*/ |
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public static function fromAttributeValue(AttributeValue $value): self |
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{ |
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return new self(new AttributeType($value->oid()), $value); |
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} |
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/** |
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* Get attribute value. |
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* |
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* @return AttributeValue |
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*/ |
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public function value(): AttributeValue |
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{ |
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return $this->_value; |
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} |
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/** |
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* Generate ASN.1 structure. |
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* |
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* @return Sequence |
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*/ |
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public function toASN1(): Sequence |
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{ |
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return new Sequence($this->_type->toASN1(), $this->_value->toASN1()); |
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} |
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/** |
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* Get attributeTypeAndValue string conforming to RFC 2253. |
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* |
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* @see https://tools.ietf.org/html/rfc2253#section-2.3 |
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* |
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* @return string |
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*/ |
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public function toString(): string |
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{ |
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return $this->_type->typeName() . '=' . $this->_value->rfc2253String(); |
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} |
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/** |
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* Check whether attribute is semantically equal to other. |
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* |
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* @param AttributeTypeAndValue $other Object to compare to |
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* |
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* @return bool |
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*/ |
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public function equals(AttributeTypeAndValue $other): bool |
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{ |
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// check that attribute types match |
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if ($this->oid() !== $other->oid()) { |
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return false; |
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} |
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$matcher = $this->_value->equalityMatchingRule(); |
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$result = $matcher->compare($this->_value->stringValue(), |
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$other->_value->stringValue()); |
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// match |
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if ($result) { |
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return true; |
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} |
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// no match or Undefined |
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return false; |
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} |
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} |
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sop /
x501
