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<?php |
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declare(strict_types = 1); |
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namespace Sop\X509\Certificate\Extension; |
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use Sop\ASN1\Element; |
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use Sop\ASN1\Type\Constructed\Sequence; |
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use Sop\ASN1\Type\Primitive\ObjectIdentifier; |
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use Sop\ASN1\Type\UnspecifiedType; |
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/** |
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* Implements 'Extended Key Usage' certificate extension. |
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* |
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* @see https://tools.ietf.org/html/rfc5280#section-4.2.1.12 |
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*/ |
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class ExtendedKeyUsageExtension extends Extension implements \Countable, \IteratorAggregate |
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{ |
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const OID_SERVER_AUTH = '1.3.6.1.5.5.7.3.1'; |
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const OID_CLIENT_AUTH = '1.3.6.1.5.5.7.3.2'; |
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const OID_CODE_SIGNING = '1.3.6.1.5.5.7.3.3'; |
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const OID_EMAIL_PROTECTION = '1.3.6.1.5.5.7.3.4'; |
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const OID_IPSEC_END_SYSTEM = '1.3.6.1.5.5.7.3.5'; |
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const OID_IPSEC_TUNNEL = '1.3.6.1.5.5.7.3.6'; |
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const OID_IPSEC_USER = '1.3.6.1.5.5.7.3.7'; |
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const OID_TIME_STAMPING = '1.3.6.1.5.5.7.3.8'; |
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const OID_OCSP_SIGNING = '1.3.6.1.5.5.7.3.9'; |
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const OID_DVCS = '1.3.6.1.5.5.7.3.10'; |
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const OID_SBGP_CERT_AA_SERVER_AUTH = '1.3.6.1.5.5.7.3.11'; |
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const OID_SCVP_RESPONDER = '1.3.6.1.5.5.7.3.12'; |
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const OID_EAP_OVER_PPP = '1.3.6.1.5.5.7.3.13'; |
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const OID_EAP_OVER_LAN = '1.3.6.1.5.5.7.3.14'; |
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const OID_SCVP_SERVER = '1.3.6.1.5.5.7.3.15'; |
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const OID_SCVP_CLIENT = '1.3.6.1.5.5.7.3.16'; |
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const OID_IPSEC_IKE = '1.3.6.1.5.5.7.3.17'; |
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const OID_CAPWAP_AC = '1.3.6.1.5.5.7.3.18'; |
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const OID_CAPWAP_WTP = '1.3.6.1.5.5.7.3.19'; |
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const OID_SIP_DOMAIN = '1.3.6.1.5.5.7.3.20'; |
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const OID_SECURE_SHELL_CLIENT = '1.3.6.1.5.5.7.3.21'; |
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const OID_SECURE_SHELL_SERVER = '1.3.6.1.5.5.7.3.22'; |
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const OID_SEND_ROUTER = '1.3.6.1.5.5.7.3.23'; |
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const OID_SEND_PROXY = '1.3.6.1.5.5.7.3.24'; |
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const OID_SEND_OWNER = '1.3.6.1.5.5.7.3.25'; |
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const OID_SEND_PROXIED_OWNER = '1.3.6.1.5.5.7.3.26'; |
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const OID_CMC_CA = '1.3.6.1.5.5.7.3.27'; |
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const OID_CMC_RA = '1.3.6.1.5.5.7.3.28'; |
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const OID_CMC_ARCHIVE = '1.3.6.1.5.5.7.3.29'; |
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/** |
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* Purpose OID's. |
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* |
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* @var string[] |
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*/ |
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protected $_purposes; |
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/** |
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* Constructor. |
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* |
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* @param bool $critical |
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* @param string ...$purposes |
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*/ |
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public function __construct(bool $critical, string ...$purposes) |
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{ |
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parent::__construct(self::OID_EXT_KEY_USAGE, $critical); |
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$this->_purposes = $purposes; |
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} |
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/** |
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* Whether purposes are present. |
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* |
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* If multiple purposes are checked, all must be present. |
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* |
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* @param string ...$oids |
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* |
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* @return bool |
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*/ |
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public function has(string ...$oids): bool |
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{ |
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foreach ($oids as $oid) { |
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if (!in_array($oid, $this->_purposes)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Get key usage purpose OID's. |
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* |
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* @return string[] |
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*/ |
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public function purposes(): array |
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{ |
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return $this->_purposes; |
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} |
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/** |
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* Get the number of purposes. |
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* |
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* @see \Countable::count() |
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* |
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* @return int |
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*/ |
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public function count(): int |
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{ |
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return count($this->_purposes); |
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} |
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/** |
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* Get iterator for usage purposes. |
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* |
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* @see \IteratorAggregate::getIterator() |
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* |
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* @return \ArrayIterator |
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*/ |
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public function getIterator(): \ArrayIterator |
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{ |
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return new \ArrayIterator($this->_purposes); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected static function _fromDER(string $data, bool $critical): Extension |
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{ |
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$purposes = array_map( |
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function (UnspecifiedType $el) { |
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return $el->asObjectIdentifier()->oid(); |
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}, UnspecifiedType::fromDER($data)->asSequence()->elements()); |
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return new self($critical, ...$purposes); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _valueASN1(): Element |
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{ |
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$elements = array_map( |
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function ($oid) { |
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return new ObjectIdentifier($oid); |
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}, $this->_purposes); |
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return new Sequence(...$elements); |
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} |
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} |
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sop /
x509
