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Editing: CSR.php

<?php
/*
 * This file is part of the PHPASN1 library.
 *
 * Copyright © Friedrich Große <friedrich.grosse@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace FG\X509\CSR;

use FG\ASN1\OID;
use FG\ASN1\Universal\Integer;
use FG\ASN1\Universal\BitString;
use FG\ASN1\Universal\Sequence;
use FG\X509\CertificateSubject;
use FG\X509\AlgorithmIdentifier;
use FG\X509\PublicKey;

class CSR extends Sequence
{
    const CSR_VERSION_NR = 0;

protected $subject;
    protected $publicKey;
    protected $signature;
    protected $signatureAlgorithm;

protected $startSequence;

/**
     * @param string $commonName
     * @param string $email
     * @param string $organization
     * @param string $locality
     * @param string $state
     * @param string $country
     * @param string $organizationalUnit
     * @param string $publicKey
     * @param string $signature
     * @param string $signatureAlgorithm
     */
    public function __construct($commonName, $email, $organization, $locality, $state, $country, $organizationalUnit, $publicKey, $signature = null, $signatureAlgorithm = OID::SHA1_WITH_RSA_SIGNATURE)
    {
        $this->subject = new CertificateSubject(
            $commonName,
            $email,
            $organization,
            $locality,
            $state,
            $country,
            $organizationalUnit
        );
        $this->publicKey = $publicKey;
        $this->signature = $signature;
        $this->signatureAlgorithm = $signatureAlgorithm;

if (isset($signature)) {
            $this->createCSRSequence();
        }
    }

protected function createCSRSequence()
    {
        $versionNr            = new Integer(self::CSR_VERSION_NR);
        $publicKey            = new PublicKey($this->publicKey);
        $signature            = new BitString($this->signature);
        $signatureAlgorithm    = new AlgorithmIdentifier($this->signatureAlgorithm);

$certRequestInfo  = new Sequence($versionNr, $this->subject, $publicKey);

// Clear the underlying Construct
        $this->rewind();
        $this->children = [];
        $this->addChild($certRequestInfo);
        $this->addChild($signatureAlgorithm);
        $this->addChild($signature);
    }

public function getSignatureSubject()
    {
        $versionNr            = new Integer(self::CSR_VERSION_NR);
        $publicKey            = new PublicKey($this->publicKey);

$certRequestInfo  = new Sequence($versionNr, $this->subject, $publicKey);
        return $certRequestInfo->getBinary();
    }

public function setSignature($signature, $signatureAlgorithm = OID::SHA1_WITH_RSA_SIGNATURE)
    {
        $this->signature = $signature;
        $this->signatureAlgorithm = $signatureAlgorithm;

$this->createCSRSequence();
    }

public function __toString()
    {
        $tmp = base64_encode($this->getBinary());

for ($i = 0; $i < strlen($tmp); $i++) {
            if (($i + 2) % 65 == 0) {
                $tmp = substr($tmp, 0, $i + 1)."\n".substr($tmp, $i + 1);
            }
        }

$result = '-----BEGIN CERTIFICATE REQUEST-----'.PHP_EOL;
        $result .= $tmp.PHP_EOL;
        $result .= '-----END CERTIFICATE REQUEST-----';

return $result;
    }

public function getVersion()
    {
        return self::CSR_VERSION_NR;
    }

public function getOrganizationName()
    {
        return $this->subject->getOrganization();
    }

public function getLocalName()
    {
        return $this->subject->getLocality();
    }

public function getState()
    {
        return $this->subject->getState();
    }

public function getCountry()
    {
        return $this->subject->getCountry();
    }

public function getOrganizationalUnit()
    {
        return $this->subject->getOrganizationalUnit();
    }

public function getPublicKey()
    {
        return $this->publicKey;
    }

public function getSignature()
    {
        return $this->signature;
    }

public function getSignatureAlgorithm()
    {
        return $this->signatureAlgorithm;
    }
}

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