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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 PhpIP\IPBlock;
use PhpIP\IPv4Block;
use PhpIP\IPv6Block;
/**
* @see https://tools.ietf.org/html/rfc3123
*/
class APL implements RdataInterface
{
use RdataTrait;
public const TYPE = 'APL';
public const TYPE_CODE = 42;
/**
* @var IPBlock[]
*/
private $includedAddressRanges = [];
/**
* @var IPBlock[]
*/
private $excludedAddressRanges = [];
/**
* @param bool $included True if the resource exists within the range, False if the resource
* is not within the range. I.E. the negation.
*/
public function addAddressRange(IPBlock $ipBlock, $included = true): void
{
if ($included) {
$this->includedAddressRanges[] = $ipBlock;
} else {
$this->excludedAddressRanges[] = $ipBlock;
}
}
/**
* @return IPBlock[]
*/
public function getIncludedAddressRanges(): array
{
return $this->includedAddressRanges;
}
/**
* @return IPBlock[]
*/
public function getExcludedAddressRanges(): array
{
return $this->excludedAddressRanges;
}
public function toText(): string
{
$string = '';
foreach ($this->includedAddressRanges as $ipBlock) {
$string .= (4 === $ipBlock->getVersion()) ? '1:' : '2:';
$string .= (string) $ipBlock.' ';
}
foreach ($this->excludedAddressRanges as $ipBlock) {
$string .= (4 === $ipBlock->getVersion()) ? '!1:' : '!2:';
$string .= (string) $ipBlock.' ';
}
return rtrim($string, ' ');
}
public function toWire(): string
{
$encoded = '';
foreach ($this->includedAddressRanges as $ipBlock) {
$encoded .= pack(
'nCC',
(4 === $ipBlock->getVersion()) ? 1 : 2,
$ipBlock->getPrefixLength(),
$ipBlock->getGivenIp()::NB_BYTES
).inet_pton((string) $ipBlock->getGivenIp());
}
foreach ($this->excludedAddressRanges as $ipBlock) {
$encoded .= pack(
'nCCC*',
(4 === $ipBlock->getVersion()) ? 1 : 2,
$ipBlock->getPrefixLength(),
$ipBlock->getGivenIp()::NB_BYTES | 0b10000000
).inet_pton((string) $ipBlock->getGivenIp());
}
return $encoded;
}
/**
* @throws \Exception
*/
public function fromText(string $text): void
{
$iterator = new \ArrayIterator(explode(' ', $text));
while ($iterator->valid()) {
$matches = [];
if (1 !== preg_match('/^(?<negate>!)?[1-2]:(?<block>.+)$/i', $iterator->current(), $matches)) {
throw new \Exception(sprintf('"%s" is not a valid IP range.', $iterator->current()));
}
$ipBlock = IPBlock::create($matches['block']);
$this->addAddressRange($ipBlock, '!' !== $matches['negate']);
$iterator->next();
}
}
public function fromWire(string $rdata, int &$offset = 0, ?int $rdLength = null): void
{
$end = $offset + ($rdLength ?? strlen($rdata));
while ($offset < $end) {
if (false === $apItem = unpack('nfamily/Cprefix/Clength', $rdata, $offset)) {
throw new DecodeException(static::TYPE, $rdata);
}
$isExcluded = (bool) ($apItem['length'] & 0b10000000);
$len = $apItem['length'] & 0b01111111;
$version = (1 === $apItem['family']) ? 4 : 6;
$offset += 4;
$address = substr($rdata, $offset, $len);
$address = inet_ntop($address);
$offset += $len;
$ipBlock = (4 === $version) ? new IPv4Block($address, $apItem['prefix']) : new IPv6Block($address, $apItem['prefix']);
$this->addAddressRange($ipBlock, !$isExcluded);
}
}
}
| 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 |
|