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<?php |
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namespace X509\Certificate\Extension\Target; |
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use ASN1\Type\Constructed\Sequence; |
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use ASN1\Type\UnspecifiedType; |
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/** |
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* Implements <i>Targets</i> ASN.1 type as a <i>SEQUENCE OF Target</i>. |
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* |
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* @link https://tools.ietf.org/html/rfc5755#section-4.3.2 |
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*/ |
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class Targets implements \Countable, \IteratorAggregate |
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{ |
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/** |
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* Target elements. |
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* |
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* @var Target[] $_targets |
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*/ |
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protected $_targets; |
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/** |
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* Constructor |
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* |
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* @param Target ...$targets |
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*/ |
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public function __construct(Target ...$targets) { |
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$this->_targets = $targets; |
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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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* @return self |
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*/ |
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public static function fromASN1(Sequence $seq) { |
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$targets = array_map( |
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function (UnspecifiedType $el) { |
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return Target::fromASN1($el->asTagged()); |
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}, $seq->elements()); |
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return new self(...$targets); |
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} |
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/** |
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* Get all targets. |
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* |
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* @return Target[] |
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*/ |
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public function all() { |
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return $this->_targets; |
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} |
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/** |
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* Get all targets of given type. |
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* |
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* @param int $type |
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* @return Target[] |
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*/ |
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protected function _allOfType($type) { |
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return array_values( |
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array_filter($this->_targets, |
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function (Target $target) use ($type) { |
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return $target->type() == $type; |
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})); |
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} |
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/** |
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* Get all name targets. |
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* |
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* @return Target[] |
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*/ |
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public function nameTargets() { |
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return $this->_allOfType(Target::TYPE_NAME); |
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} |
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/** |
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* Get all group targets. |
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* |
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* @return Target[] |
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*/ |
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public function groupTargets() { |
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return $this->_allOfType(Target::TYPE_GROUP); |
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} |
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/** |
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* Check whether given target is present. |
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* |
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* @param Target $target |
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* @return boolean |
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*/ |
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public function hasTarget(Target $target) { |
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foreach ($this->_allOfType($target->type()) as $t) { |
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if ($target->equals($t)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Generate ASN.1 structure. |
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* |
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* @return Sequence |
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*/ |
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public function toASN1() { |
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$elements = array_map( |
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function (Target $target) { |
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return $target->toASN1(); |
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}, $this->_targets); |
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return new Sequence(...$elements); |
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} |
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/** |
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* |
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* @see Countable::count() |
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* @return int |
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*/ |
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public function count() { |
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return count($this->_targets); |
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} |
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/** |
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* Get iterator for targets. |
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* |
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* @see IteratorAggregate::getIterator() |
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* @return \ArrayIterator |
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*/ |
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1 |
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public function getIterator() { |
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return new \ArrayIterator($this->_targets); |
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} |
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} |
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sop /
x509
