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<?php |
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declare(strict_types = 1); |
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namespace Sop\X509\CertificationRequest; |
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use Sop\ASN1\Type\Constructed\Set; |
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use Sop\ASN1\Type\UnspecifiedType; |
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use Sop\X501\ASN1\Attribute; |
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use Sop\X501\ASN1\AttributeValue\AttributeValue; |
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use Sop\X509\CertificationRequest\Attribute\ExtensionRequestValue; |
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use Sop\X509\Feature\AttributeContainer; |
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/** |
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* Implements <i>Attributes</i> ASN.1 type as a <i>SET OF Attribute</i>. |
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* |
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* Used in <i>CertificationRequestInfo</i>. |
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* |
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* @see https://tools.ietf.org/html/rfc2986#section-4 |
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*/ |
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class Attributes implements \Countable, \IteratorAggregate |
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{ |
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use AttributeContainer; |
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/** |
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* Mapping from OID to attribute value class name. |
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* |
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* @internal |
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* |
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* @var array |
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*/ |
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const MAP_OID_TO_CLASS = [ |
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ExtensionRequestValue::OID => ExtensionRequestValue::class, |
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]; |
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/** |
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* Constructor. |
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* |
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* @param Attribute ...$attribs Attribute objects |
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*/ |
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public function __construct(Attribute ...$attribs) |
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{ |
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$this->_attributes = $attribs; |
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} |
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/** |
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* Initialize from attribute values. |
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* |
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* @param AttributeValue ...$values |
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* |
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* @return self |
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*/ |
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public static function fromAttributeValues(AttributeValue ...$values): Attributes |
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{ |
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$attribs = array_map( |
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function (AttributeValue $value) { |
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return $value->toAttribute(); |
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}, $values); |
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return new self(...$attribs); |
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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 Set $set |
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* |
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* @return self |
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*/ |
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public static function fromASN1(Set $set): Attributes |
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{ |
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$attribs = array_map( |
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function (UnspecifiedType $el) { |
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return Attribute::fromASN1($el->asSequence()); |
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}, $set->elements()); |
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// cast attributes |
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$attribs = array_map( |
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function (Attribute $attr) { |
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$oid = $attr->oid(); |
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if (array_key_exists($oid, self::MAP_OID_TO_CLASS)) { |
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$cls = self::MAP_OID_TO_CLASS[$oid]; |
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return $attr->castValues($cls); |
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} |
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return $attr; |
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}, $attribs); |
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return new self(...$attribs); |
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} |
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/** |
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* Check whether extension request attribute is present. |
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* |
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* @return bool |
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*/ |
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public function hasExtensionRequest(): bool |
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{ |
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return $this->has(ExtensionRequestValue::OID); |
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} |
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/** |
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* Get extension request attribute value. |
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* |
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* @throws \LogicException |
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* |
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* @return ExtensionRequestValue |
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*/ |
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public function extensionRequest(): ExtensionRequestValue |
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{ |
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if (!$this->hasExtensionRequest()) { |
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throw new \LogicException('No extension request attribute.'); |
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} |
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return $this->firstOf(ExtensionRequestValue::OID)->first(); |
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} |
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/** |
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* Generate ASN.1 structure. |
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* |
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* @return Set |
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*/ |
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public function toASN1(): Set |
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{ |
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$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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$set = new Set(...$elements); |
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return $set->sortedSetOf(); |
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} |
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} |
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sop /
x509
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