UnknownAttributeValue::rfc2253String()   A
last analyzed

Complexity

Conditions 2
Paths 2

Size

Total Lines 8
Code Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 5
CRAP Score 2

Importance

Changes 0
Metric Value
eloc 4
dl 0
loc 8
ccs 5
cts 5
cp 1
rs 10
c 0
b 0
f 0
cc 2
nc 2
nop 0
crap 2
1
<?php
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declare(strict_types = 1);
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namespace Sop\X501\ASN1\AttributeValue;
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use Sop\ASN1\Element;
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use Sop\X501\DN\DNParser;
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use Sop\X501\MatchingRule\BinaryMatch;
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use Sop\X501\MatchingRule\MatchingRule;
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use Sop\X501\StringPrep\TranscodeStep;
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/**
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 * Class to hold ASN.1 structure of an unimplemented attribute value.
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 */
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class UnknownAttributeValue extends AttributeValue
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{
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    /**
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     * ASN.1 element.
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     *
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     * @var Element
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     */
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    protected $_element;
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    /**
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     * Constructor.
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     *
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     * @param string  $oid
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     * @param Element $el
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     */
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    public function __construct(string $oid, Element $el)
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    {
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        $this->_oid = $oid;
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        $this->_element = $el;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function toASN1(): Element
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    {
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        return $this->_element;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function stringValue(): string
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    {
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        // if value is encoded as a string type
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        if ($this->_element->isType(Element::TYPE_STRING)) {
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            return $this->_element->asUnspecified()->asString()->string();
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        }
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        // return DER encoding as a hexstring (see RFC2253 section 2.4)
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        return '#' . bin2hex($this->_element->toDER());
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function equalityMatchingRule(): MatchingRule
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    {
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        return new BinaryMatch();
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function rfc2253String(): string
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    {
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        $str = $this->_transcodedString();
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        // if value has a string representation
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        if ($this->_element->isType(Element::TYPE_STRING)) {
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            $str = DNParser::escapeString($str);
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        }
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        return $str;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    protected function _transcodedString(): string
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    {
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        // if transcoding is defined for the value type
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        if (TranscodeStep::isTypeSupported($this->_element->tag())) {
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            $step = new TranscodeStep($this->_element->tag());
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            return $step->apply($this->stringValue());
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        }
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        return $this->stringValue();
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    }
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}
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