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<?php
declare(strict_types=1);
/*
* This file is part of Badcow DNS Library.
*
* (c) Samuel Williams <sam@badcow.co>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Badcow\DNS\Rdata;
use Badcow\DNS\Algorithms;
use Badcow\DNS\Parser\Tokens;
use InvalidArgumentException;
/*
* {@link https://tools.ietf.org/html/rfc4398#section-2.1}.
*/
class CERT implements RdataInterface
{
use RdataTrait;
public const TYPE = 'CERT';
public const TYPE_CODE = 37;
public const KEY_TYPE_PKIX = 1;
public const KEY_TYPE_SPKI = 2;
public const KEY_TYPE_PGP = 3;
public const KEY_TYPE_IPKIX = 4;
public const KEY_TYPE_ISPKI = 5;
public const KEY_TYPE_IPGP = 6;
public const KEY_TYPE_ACPKIX = 7;
public const KEY_TYPE_IACPKIX = 8;
public const KEY_TYPE_URI = 253;
public const KEY_TYPE_OID = 254;
public const MNEMONICS = [
self::KEY_TYPE_PKIX => 'PKIX',
self::KEY_TYPE_SPKI => 'SPKI',
self::KEY_TYPE_PGP => 'PGP',
self::KEY_TYPE_IPKIX => 'IPKIX',
self::KEY_TYPE_ISPKI => 'ISPKI',
self::KEY_TYPE_IPGP => 'IPGP',
self::KEY_TYPE_ACPKIX => 'ACPKIX',
self::KEY_TYPE_IACPKIX => 'IACPKIX',
self::KEY_TYPE_URI => 'URI',
self::KEY_TYPE_OID => 'OID',
];
/**
* @var int
*/
private $certificateType;
/**
* @var int
*/
private $keyTag;
/**
* @var int
*/
private $algorithm;
/**
* @var string
*/
private $certificate;
public function getCertificateType(): int
{
return $this->certificateType;
}
/**
* @param int|string $certificateType
*
* @throws InvalidArgumentException
*/
public function setCertificateType($certificateType): void
{
if (is_int($certificateType) || 1 === preg_match('/^\d+$/', $certificateType)) {
$this->certificateType = (int) $certificateType;
return;
}
$this->certificateType = self::getKeyTypeValue((string) $certificateType);
}
public function getKeyTag(): int
{
return $this->keyTag;
}
public function setKeyTag(int $keyTag): void
{
$this->keyTag = $keyTag;
}
public function getAlgorithm(): int
{
return $this->algorithm;
}
/**
* @param string|int $algorithm
*
* @throws InvalidArgumentException
*/
public function setAlgorithm($algorithm): void
{
if (is_int($algorithm) || 1 === preg_match('/^\d+$/', $algorithm)) {
$this->algorithm = (int) $algorithm;
return;
}
$this->algorithm = Algorithms::getAlgorithmValue((string) $algorithm);
}
/**
* @param string $certificate Base64 encoded string
*
* @throws InvalidArgumentException
*/
public function setCertificate(string $certificate): void
{
$this->certificate = $certificate;
}
/**
* @return string Base64 encoded string
*/
public function getCertificate(): string
{
return $this->certificate;
}
public function toText(): string
{
$type = (array_key_exists($this->certificateType, self::MNEMONICS)) ? self::MNEMONICS[$this->certificateType] : (string) $this->certificateType;
$algorithm = (array_key_exists($this->algorithm, Algorithms::MNEMONICS)) ? Algorithms::MNEMONICS[$this->algorithm] : (string) $this->algorithm;
return sprintf('%s %s %s %s', $type, (string) $this->keyTag, $algorithm, base64_encode($this->certificate));
}
public function toWire(): string
{
return pack('nnC', $this->certificateType, $this->keyTag, $this->algorithm).$this->certificate;
}
public function fromText(string $text): void
{
$rdata = explode(Tokens::SPACE, $text);
$this->setCertificateType((string) array_shift($rdata));
$this->setKeyTag((int) array_shift($rdata));
$this->setAlgorithm((string) array_shift($rdata));
$this->setCertificate(base64_decode(implode('', $rdata)));
}
public function fromWire(string $rdata, int &$offset = 0, ?int $rdLength = null): void
{
if (false === $integers = unpack('ntype/nkeyTag/Calgorithm', $rdata, $offset)) {
throw new DecodeException(static::TYPE, $rdata);
}
$offset += 5;
$this->setCertificateType((int) $integers['type']);
$this->setKeyTag((int) $integers['keyTag']);
$this->setAlgorithm((int) $integers['algorithm']);
$certLen = ($rdLength ?? strlen($rdata)) - 5;
$this->setCertificate(substr($rdata, $offset, $certLen));
$offset += $certLen;
}
/**
* @throws InvalidArgumentException
*/
public static function getKeyTypeValue(string $keyTypeMnemonic): int
{
if (false === $keyTypeValue = array_search($keyTypeMnemonic, self::MNEMONICS, true)) {
throw new InvalidArgumentException(sprintf('"%s" is not a valid key type mnemonic.', $keyTypeMnemonic));
}
return (int) $keyTypeValue;
}
/**
* Get the associated mnemonic of a key type.
*
* @throws InvalidArgumentException
*/
public static function getKeyTypeMnemonic(int $keyTypeValue): string
{
if (!array_key_exists($keyTypeValue, self::MNEMONICS)) {
throw new InvalidArgumentException(sprintf('"%d" is not a valid key type.', $keyTypeValue));
}
return self::MNEMONICS[$keyTypeValue];
}
}
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| A.php | File | 1.94 KB | 0644 |
|
| AAAA.php | File | 1.07 KB | 0644 |
|
| AFSDB.php | File | 2.2 KB | 0644 |
|
| APL.php | File | 4.12 KB | 0644 |
|
| CAA.php | File | 4.06 KB | 0644 |
|
| CDNSKEY.php | File | 450 B | 0644 |
|
| CDS.php | File | 431 B | 0644 |
|
| CERT.php | File | 5.49 KB | 0644 |
|
| CNAME.php | File | 1.33 KB | 0644 |
|
| CSYNC.php | File | 2.46 KB | 0644 |
|
| DHCID.php | File | 5.65 KB | 0644 |
|
| DLV.php | File | 455 B | 0644 |
|
| DNAME.php | File | 674 B | 0644 |
|
| DNSKEY.php | File | 1.02 KB | 0644 |
|
| DS.php | File | 3.93 KB | 0644 |
|
| DecodeException.php | File | 933 B | 0644 |
|
| Factory.php | File | 17.37 KB | 0644 |
|
| HINFO.php | File | 2.19 KB | 0644 |
|
| HIP.php | File | 4.4 KB | 0644 |
|
| IPSECKEY.php | File | 9.34 KB | 0644 |
|
| KEY.php | File | 3.25 KB | 0644 |
|
| KX.php | File | 2.45 KB | 0644 |
|
| LOC.php | File | 7.36 KB | 0644 |
|
| MX.php | File | 2.46 KB | 0644 |
|
| NAPTR.php | File | 7.06 KB | 0644 |
|
| NS.php | File | 442 B | 0644 |
|
| NSEC.php | File | 4.13 KB | 0644 |
|
| NSEC3.php | File | 8.09 KB | 0644 |
|
| NSEC3PARAM.php | File | 3.65 KB | 0644 |
|
| OPT.php | File | 2.79 KB | 0644 |
|
| PTR.php | File | 4.24 KB | 0644 |
|
| PolymorphicRdata.php | File | 2.02 KB | 0644 |
|
| RP.php | File | 1.82 KB | 0644 |
|
| RRSIG.php | File | 8.04 KB | 0644 |
|
| RdataInterface.php | File | 1.7 KB | 0644 |
|
| RdataTrait.php | File | 803 B | 0644 |
|
| SIG.php | File | 378 B | 0644 |
|
| SOA.php | File | 5.78 KB | 0644 |
|
| SPF.php | File | 432 B | 0644 |
|
| SRV.php | File | 4.61 KB | 0644 |
|
| SSHFP.php | File | 3.36 KB | 0644 |
|
| TA.php | File | 441 B | 0644 |
|
| TKEY.php | File | 7.41 KB | 0644 |
|
| TLSA.php | File | 4.69 KB | 0644 |
|
| TSIG.php | File | 6.5 KB | 0644 |
|
| TXT.php | File | 3.44 KB | 0644 |
|
| Types.php | File | 10.33 KB | 0644 |
|
| URI.php | File | 3.67 KB | 0644 |
|
| UnknownType.php | File | 2.2 KB | 0644 |
|
| UnsupportedTypeException.php | File | 477 B | 0644 |
|