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<?php |
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/* |
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* This file is part of the PHPASN1 library. |
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* |
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* Copyright © Friedrich Große <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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namespace WP_DEFENDER_VENDOR\FG\X509\SAN; |
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|
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use WP_DEFENDER_VENDOR\FG\ASN1\Exception\ParserException; |
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use WP_DEFENDER_VENDOR\FG\ASN1\ASNObject; |
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use WP_DEFENDER_VENDOR\FG\ASN1\OID; |
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use WP_DEFENDER_VENDOR\FG\ASN1\Parsable; |
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use WP_DEFENDER_VENDOR\FG\ASN1\Identifier; |
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use WP_DEFENDER_VENDOR\FG\ASN1\Universal\Sequence; |
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|
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/** |
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* See section 8.3.2.1 of ITU-T X.509. |
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*/ |
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class SubjectAlternativeNames extends ASNObject implements Parsable |
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{ |
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private $alternativeNamesSequence; |
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|
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public function __construct() |
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{ |
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$this->alternativeNamesSequence = new Sequence(); |
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} |
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|
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protected function calculateContentLength() |
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{ |
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return $this->alternativeNamesSequence->getObjectLength(); |
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} |
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|
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public function getType() |
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{ |
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return Identifier::OCTETSTRING; |
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} |
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|
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public function addDomainName(DNSName $domainName) |
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{ |
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$this->alternativeNamesSequence->addChild($domainName); |
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} |
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|
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public function addIP(IPAddress $ip) |
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{ |
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$this->alternativeNamesSequence->addChild($ip); |
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} |
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|
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public function getContent() |
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{ |
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return $this->alternativeNamesSequence->getContent(); |
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} |
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|
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protected function getEncodedValue() |
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{ |
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return $this->alternativeNamesSequence->getBinary(); |
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} |
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|
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public static function fromBinary(&$binaryData, &$offsetIndex = 0) |
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{ |
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self::parseIdentifier($binaryData[$offsetIndex], Identifier::OCTETSTRING, $offsetIndex++); |
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$contentLength = self::parseContentLength($binaryData, $offsetIndex); |
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|
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if ($contentLength < 2) { |
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throw new ParserException('Can not parse Subject Alternative Names: The Sequence within the octet string after the Object identifier '.OID::CERT_EXT_SUBJECT_ALT_NAME." is too short ({$contentLength} octets)", $offsetIndex); |
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} |
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|
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$offsetOfSequence = $offsetIndex; |
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$sequence = Sequence::fromBinary($binaryData, $offsetIndex); |
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$offsetOfSequence += $sequence->getNumberOfLengthOctets() + 1; |
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|
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if ($sequence->getObjectLength() != $contentLength) { |
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throw new ParserException('Can not parse Subject Alternative Names: The Sequence length does not match the length of the surrounding octet string', $offsetIndex); |
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} |
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|
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$parsedObject = new self(); |
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/** @var \WP_DEFENDER_VENDOR\FG\ASN1\ASNObject $object */ |
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foreach ($sequence as $object) { |
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if ($object->getType() == DNSName::IDENTIFIER) { |
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$domainName = DNSName::fromBinary($binaryData, $offsetOfSequence); |
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$parsedObject->addDomainName($domainName); |
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} elseif ($object->getType() == IPAddress::IDENTIFIER) { |
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$ip = IPAddress::fromBinary($binaryData, $offsetOfSequence); |
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$parsedObject->addIP($ip); |
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} else { |
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throw new ParserException('Could not parse Subject Alternative Name: Only DNSName and IP SANs are currently supported', $offsetIndex); |
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} |
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} |
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|
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$parsedObject->getBinary(); // Determine the number of content octets and object sizes once (just to let the equality unit tests pass :/ ) |
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return $parsedObject; |
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} |
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} |
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|
