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<?php |
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/* |
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* This file is part of Badcow DNS Library. |
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* |
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* (c) Samuel Williams <[email protected]> |
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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 Badcow\DNS; |
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use Badcow\DNS\Ip\Toolbox; |
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use Badcow\DNS\Rdata\AAAA; |
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use Badcow\DNS\Rdata\CNAME; |
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use Badcow\DNS\Rdata\MX; |
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use http\Exception\InvalidArgumentException; |
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class Zone implements ZoneInterface |
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{ |
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use ZoneTrait; |
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/** |
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* Zone constructor. |
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* @param string $name |
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* @param integer $defaultTtl |
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* @param array $resourceRecords |
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* @throws \InvalidArgumentException |
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*/ |
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public function __construct($name = null, $defaultTtl = null, array $resourceRecords = []) |
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{ |
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if (null !== $name) { |
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$this->setName($name); |
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} |
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$this->setDefaultTtl($defaultTtl); |
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$this->setResourceRecords($resourceRecords); |
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} |
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/** |
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* @param string $name A fully qualified zone name |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function setName($name) |
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{ |
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if (!Validator::rrName($name, true)) { |
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throw new \InvalidArgumentException(sprintf('Zone "%s" is not a fully qualified domain name.', $name)); |
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} |
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$this->name = $name; |
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} |
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/** |
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* Fills out all of the data of each resource record. |
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*/ |
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public function expand() |
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{ |
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$class = $this->determineClass(); |
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foreach ($this->resourceRecords as &$rr) { |
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/** @var ResourceRecord $rr */ |
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if ('@' === $rr->getName()) { |
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$rr->setName($this->name); |
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} |
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if (!Validator::fqdn($rr->getName())) { |
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$rr->setName($rr->getName() . '.' . $this->name); |
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} |
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if (null === $rr->getTtl()) { |
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$rr->setTtl($this->getDefaultTtl()); |
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} |
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if ($rr->getRdata() instanceof CNAME) { |
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if ('@' === $rr->getRdata()->getTarget()) { |
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$rr->getRdata()->setTarget($this->name); |
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} |
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if (!Validator::fqdn($rr->getRdata()->getTarget())) { |
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$rr->getRdata()->setTarget($rr->getRdata()->getTarget() . '.' . $this->name); |
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} |
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} |
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if ($rr->getRdata() instanceof MX) { |
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if ('@' === $rr->getRdata()->getExchange()) { |
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$rr->getRdata()->setExchange($this->name); |
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} |
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if (!Validator::fqdn($rr->getRdata()->getExchange())) { |
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$rr->getRdata()->setExchange($rr->getRdata()->getExchange() . '.' . $this->name); |
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} |
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} |
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if ($rr->getRdata() instanceof AAAA) { |
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$rr->getRdata()->setAddress(Toolbox::expandIpv6($rr->getRdata()->getAddress())); |
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} |
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$rr->setClass($class); |
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} |
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} |
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/** |
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* Determine in which class the zone resides. Returns `IN` as the default. |
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* |
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* @return string |
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*/ |
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private function determineClass() |
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{ |
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foreach ($this->resourceRecords as $rr) { |
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if (null !== $rr->getClass()) { |
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return $rr->getClass(); |
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} |
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} |
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return Classes::INTERNET; |
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} |
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} |
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Badcow /
DNS
