58 lines
1.8 KiB
PHP
58 lines
1.8 KiB
PHP
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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 <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\ASN1\Universal;
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use Exception;
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use FG\ASN1\Parsable;
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use FG\ASN1\Identifier;
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use FG\ASN1\Exception\ParserException;
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class RelativeObjectIdentifier extends ObjectIdentifier implements Parsable
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{
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public function __construct($subIdentifiers)
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{
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$this->value = $subIdentifiers;
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$this->subIdentifiers = explode('.', $subIdentifiers);
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$nrOfSubIdentifiers = count($this->subIdentifiers);
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for ($i = 0; $i < $nrOfSubIdentifiers; $i++) {
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if (is_numeric($this->subIdentifiers[$i])) {
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// enforce the integer type
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$this->subIdentifiers[$i] = intval($this->subIdentifiers[$i]);
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} else {
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throw new Exception("[{$subIdentifiers}] is no valid object identifier (sub identifier ".($i + 1).' is not numeric)!');
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}
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}
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}
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public function getType()
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{
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return Identifier::RELATIVE_OID;
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}
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public static function fromBinary(&$binaryData, &$offsetIndex = 0)
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{
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self::parseIdentifier($binaryData[$offsetIndex], Identifier::RELATIVE_OID, $offsetIndex++);
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$contentLength = self::parseContentLength($binaryData, $offsetIndex, 1);
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try {
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$oidString = self::parseOid($binaryData, $offsetIndex, $contentLength);
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} catch (ParserException $e) {
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throw new ParserException('Malformed ASN.1 Relative Object Identifier', $e->getOffset());
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}
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$parsedObject = new self($oidString);
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$parsedObject->setContentLength($contentLength);
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return $parsedObject;
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}
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}
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