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<?php |
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namespace Gemz\Dns; |
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use React\Dns\Model\Record; |
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use React\Dns\Query\CoopExecutor; |
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use React\Dns\Query\Query; |
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use React\Dns\Query\TimeoutExecutor; |
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use React\EventLoop\Factory; |
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use React\Dns\Model\Message; |
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use Gemz\Dns\Exceptions\InvalidArgument; |
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use React\Dns\Query\TcpTransportExecutor; |
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class Dns |
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{ |
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/** @var string */ |
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protected $domain; |
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/** @var string */ |
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protected $nameserver; |
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/** @var array */ |
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protected $result; |
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/** @var string */ |
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protected $defaultNameserver = '8.8.8.8'; |
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/** @var float */ |
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protected $timeout = 3.0; |
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/** @var array */ |
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protected $recordTypes = [ |
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'A' => Message::TYPE_A, |
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'CAA' => Message::TYPE_CAA, |
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'CNAME' => Message::TYPE_CNAME, |
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'SOA' => Message::TYPE_SOA, |
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'TXT' => Message::TYPE_TXT, |
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'MX' => Message::TYPE_MX, |
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'AAAA' => Message::TYPE_AAAA, |
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'SRV' => Message::TYPE_SRV, |
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'NS' => Message::TYPE_NS, |
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'PTR' => Message::TYPE_PTR, |
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'SSHFP' => Message::TYPE_SSHFP, |
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]; |
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public static function for(string $domain, string $nameserver = ''): self |
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{ |
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return new self($domain, $nameserver); |
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} |
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public function __construct(string $domain, string $nameserver = '') |
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{ |
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$this->domain = $this->sanitizeDomain($domain); |
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$this->nameserver = $this->resolveNameserver($nameserver); |
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} |
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public function useNameserver(string $nameserver): self |
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{ |
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$this->nameserver = $this->resolveNameserver($nameserver); |
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return $this; |
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} |
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public function allowedRecordTypes(): array |
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{ |
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return array_keys($this->recordTypes); |
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} |
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protected function resolveNameserver(string $nameserver): string |
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{ |
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return empty($nameserver) ? $this->defaultNameserver : $nameserver; |
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} |
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protected function sanitizeDomain(string $domain): string |
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{ |
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if (empty($domain)) { |
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throw InvalidArgument::domainIsNotValid($domain); |
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} |
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$domain = str_replace(['http://', 'https://'], '', $domain); |
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return strtolower($domain); |
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} |
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/** |
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* @param string|array ...$types |
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* |
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* @return array |
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*/ |
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public function records(...$types): array |
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{ |
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$types = $this->resolveTypes($types); |
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$loop = Factory::create(); |
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foreach ($types as $type) { |
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$query = new Query($this->domain, $this->recordTypes[$type], Message::CLASS_IN); |
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$executor = new CoopExecutor( |
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new TimeoutExecutor( |
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new TcpTransportExecutor($this->nameserver, $loop), |
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$this->timeout, |
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$loop |
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) |
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); |
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$executor |
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->query($query) |
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->then(function (Message $message) use ($type) { |
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$this->addResult($type, $message->answers); |
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}); |
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} |
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$loop->run(); |
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return $this->result; |
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} |
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protected function addResult(string $type, array $values): void |
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{ |
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if (empty($values)) { |
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$this->result[$type] = []; |
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} |
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foreach ($values as $value) { |
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if ($value instanceof Record) { |
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$this->result[$type][] = [ |
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'ttl' => $value->ttl, |
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'data' => $value->data |
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]; |
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continue; |
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} |
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$this->result[$type][] = $value; |
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} |
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} |
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protected function resolveTypes(array $types = []): array |
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{ |
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if (empty($types)) { |
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$types = array_keys($this->recordTypes); |
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} |
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$types = is_array($types[0] ?? null) |
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? $types[0] |
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: $types; |
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$types = array_map('strtoupper', $types); |
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foreach ($types as $type) { |
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if (! array_key_exists($type, $this->recordTypes)) { |
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throw InvalidArgument::typeIsNotValid($type, $this->recordTypes); |
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} |
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} |
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return $types; |
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} |
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public function getNameserver(): string |
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{ |
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return $this->nameserver; |
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} |
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public function getDomain(): string |
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{ |
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return $this->domain; |
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} |
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} |
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gemzio /
dns
