69 lines
2.3 KiB
PHP
69 lines
2.3 KiB
PHP
<?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 <friedrich.grosse@gmail.com>
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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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namespace FG\X509\CSR;
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use FG\ASN1\ASNObject;
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use FG\X509\CertificateExtensions;
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use FG\ASN1\OID;
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use FG\ASN1\Parsable;
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use FG\ASN1\Construct;
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use FG\ASN1\Identifier;
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use FG\ASN1\Universal\Set;
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use FG\ASN1\Universal\Sequence;
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use FG\ASN1\Universal\ObjectIdentifier;
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class Attributes extends Construct implements Parsable
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{
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public function getType()
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{
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return 0xA0;
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}
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public function addAttribute($objectIdentifier, Set $attribute)
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{
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if (is_string($objectIdentifier)) {
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$objectIdentifier = new ObjectIdentifier($objectIdentifier);
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}
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$attributeSequence = new Sequence($objectIdentifier, $attribute);
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$attributeSequence->getNumberOfLengthOctets(); // length and number of length octets is calculated
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$this->addChild($attributeSequence);
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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], 0xA0, $offsetIndex++);
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$contentLength = self::parseContentLength($binaryData, $offsetIndex);
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$octetsToRead = $contentLength;
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$parsedObject = new self();
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while ($octetsToRead > 0) {
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$initialOffset = $offsetIndex; // used to calculate how much bits have been read
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self::parseIdentifier($binaryData[$offsetIndex], Identifier::SEQUENCE, $offsetIndex++);
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self::parseContentLength($binaryData, $offsetIndex);
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$objectIdentifier = ObjectIdentifier::fromBinary($binaryData, $offsetIndex);
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$oidString = $objectIdentifier->getContent();
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if ($oidString == OID::PKCS9_EXTENSION_REQUEST) {
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$attribute = CertificateExtensions::fromBinary($binaryData, $offsetIndex);
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} else {
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$attribute = ASNObject::fromBinary($binaryData, $offsetIndex);
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}
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$parsedObject->addAttribute($objectIdentifier, $attribute);
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$octetsToRead -= ($offsetIndex - $initialOffset);
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}
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$parsedObject->setContentLength($contentLength);
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return $parsedObject;
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}
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}
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