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<?php |
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declare(strict_types=1); |
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namespace X509\AttributeCertificate\Attribute; |
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use ASN1\Element; |
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use ASN1\Type\UnspecifiedType; |
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use ASN1\Type\Constructed\Sequence; |
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use ASN1\Type\Tagged\ExplicitlyTaggedType; |
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use ASN1\Type\Tagged\ImplicitlyTaggedType; |
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use X501\ASN1\AttributeType; |
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use X501\ASN1\AttributeValue\AttributeValue; |
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use X501\MatchingRule\BinaryMatch; |
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use X509\GeneralName\GeneralName; |
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use X509\GeneralName\GeneralNames; |
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use X509\GeneralName\UniformResourceIdentifier; |
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/** |
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* Implements value for 'Role' attribute. |
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* |
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* @link https://tools.ietf.org/html/rfc5755#section-4.4.5 |
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*/ |
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class RoleAttributeValue extends AttributeValue |
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{ |
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/** |
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* Issuing authority. |
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* |
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* @var GeneralNames $_roleAuthority |
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*/ |
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protected $_roleAuthority; |
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/** |
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* Role name. |
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* |
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* @var GeneralName $_roleName |
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*/ |
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protected $_roleName; |
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/** |
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* Constructor. |
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* |
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* @param GeneralName $name Role name |
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* @param GeneralNames|null $authority Issuing authority |
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*/ |
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public function __construct(GeneralName $name, GeneralNames $authority = null) |
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{ |
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$this->_roleAuthority = $authority; |
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$this->_roleName = $name; |
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$this->_oid = AttributeType::OID_ROLE; |
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} |
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/** |
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* Initialize from a role string. |
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* |
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* @param string $role_name Role name in URI format |
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* @param GeneralNames|null $authority Issuing authority |
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* @return self |
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*/ |
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public static function fromString(string $role_name, GeneralNames $authority = null) |
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{ |
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return new self(new UniformResourceIdentifier($role_name), $authority); |
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} |
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/** |
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* |
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* @param UnspecifiedType $el |
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* @return self |
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*/ |
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public static function fromASN1(UnspecifiedType $el) |
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{ |
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$seq = $el->asSequence(); |
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$authority = null; |
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if ($seq->hasTagged(0)) { |
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$authority = GeneralNames::fromASN1( |
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$seq->getTagged(0) |
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->asImplicit(Element::TYPE_SEQUENCE) |
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->asSequence()); |
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} |
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$name = GeneralName::fromASN1( |
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$seq->getTagged(1) |
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->asExplicit() |
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->asTagged()); |
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return new self($name, $authority); |
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} |
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/** |
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* Check whether issuing authority is present. |
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* |
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* @return bool |
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*/ |
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public function hasRoleAuthority(): bool |
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{ |
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return isset($this->_roleAuthority); |
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} |
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/** |
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* Get issuing authority. |
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* |
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* @throws \LogicException |
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* @return GeneralNames |
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*/ |
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public function roleAuthority(): GeneralNames |
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{ |
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if (!$this->hasRoleAuthority()) { |
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throw new \LogicException("roleAuthority not set."); |
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} |
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return $this->_roleAuthority; |
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} |
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/** |
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* Get role name. |
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* |
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* @return GeneralName |
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*/ |
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public function roleName(): GeneralName |
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{ |
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return $this->_roleName; |
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} |
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/** |
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* |
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* @see \X501\ASN1\AttributeValue\AttributeValue::toASN1() |
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* @return Sequence |
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*/ |
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public function toASN1(): Sequence |
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{ |
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$elements = array(); |
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if (isset($this->_roleAuthority)) { |
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$elements[] = new ImplicitlyTaggedType(0, |
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$this->_roleAuthority->toASN1()); |
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} |
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$elements[] = new ExplicitlyTaggedType(1, $this->_roleName->toASN1()); |
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return new Sequence(...$elements); |
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} |
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/** |
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* |
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* @see \X501\ASN1\AttributeValue\AttributeValue::stringValue() |
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* @return string |
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*/ |
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public function stringValue(): string |
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{ |
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return "#" . bin2hex($this->toASN1()->toDER()); |
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} |
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/** |
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* |
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* @see \X501\ASN1\AttributeValue\AttributeValue::equalityMatchingRule() |
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* @return BinaryMatch |
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*/ |
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public function equalityMatchingRule(): BinaryMatch |
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{ |
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return new BinaryMatch(); |
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} |
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/** |
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* |
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* @see \X501\ASN1\AttributeValue\AttributeValue::rfc2253String() |
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* @return string |
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*/ |
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public function rfc2253String(): string |
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{ |
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return $this->stringValue(); |
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} |
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/** |
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* |
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* @see \X501\ASN1\AttributeValue\AttributeValue::_transcodedString() |
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* @return string |
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*/ |
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protected function _transcodedString(): string |
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{ |
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return $this->stringValue(); |
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} |
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} |
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sop /
x509
