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<?php |
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namespace RemotelyLiving\PHPDNS\Resolvers; |
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use RemotelyLiving\PHPDNS\Entities\DNSRecord; |
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use RemotelyLiving\PHPDNS\Entities\DNSRecordCollection; |
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use RemotelyLiving\PHPDNS\Entities\Interfaces\DNSRecordInterface; |
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use RemotelyLiving\PHPDNS\Entities\DNSRecordType; |
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use RemotelyLiving\PHPDNS\Entities\Hostname; |
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use RemotelyLiving\PHPDNS\Exceptions\InvalidArgumentException; |
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use RemotelyLiving\PHPDNS\Mappers\MapperInterface; |
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use RemotelyLiving\PHPDNS\Observability\Events\DNSQueried; |
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use RemotelyLiving\PHPDNS\Observability\Events\DNSQueryFailed; |
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use RemotelyLiving\PHPDNS\Observability\Events\DNSQueryProfiled; |
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use RemotelyLiving\PHPDNS\Observability\Traits\Dispatcher; |
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use RemotelyLiving\PHPDNS\Observability\Traits\Logger; |
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use RemotelyLiving\PHPDNS\Observability\Traits\Profileable; |
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use RemotelyLiving\PHPDNS\Resolvers\Exceptions\QueryFailure; |
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use RemotelyLiving\PHPDNS\Resolvers\Interfaces\ObservableResolver; |
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use function array_map; |
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use function array_pop; |
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use function explode; |
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use function get_class; |
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use function json_encode; |
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abstract class ResolverAbstract implements ObservableResolver |
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{ |
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use Logger; |
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use Dispatcher; |
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use Profileable; |
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private string $name; |
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/** |
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* @var string |
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*/ |
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private const EVENT = 'event'; |
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public function getName(): string |
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{ |
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if (!isset($this->name)) { |
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$explodedClass = explode('\\', $this::class); |
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$this->name = (string) array_pop($explodedClass); |
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} |
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return $this->name; |
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} |
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public function getARecords(string $hostname): DNSRecordCollection |
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{ |
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return $this->getRecords($hostname, (string)DNSRecordType::createA()); |
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} |
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public function getAAAARecords(string $hostname): DNSRecordCollection |
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{ |
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return $this->getRecords($hostname, (string)DNSRecordType::createAAAA()); |
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} |
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public function getCNAMERecords(string $hostname): DNSRecordCollection |
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{ |
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return $this->getRecords($hostname, (string)DNSRecordType::createCNAME()); |
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} |
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public function getTXTRecords(string $hostname): DNSRecordCollection |
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{ |
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return $this->getRecords($hostname, (string)DNSRecordType::createTXT()); |
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} |
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public function getMXRecords(string $hostname): DNSRecordCollection |
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{ |
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return $this->getRecords($hostname, (string)DNSRecordType::createMX()); |
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} |
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public function recordTypeExists(string $hostname, string $recordType): bool |
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{ |
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return !$this->getRecords($hostname, $recordType)->isEmpty(); |
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} |
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public function hasRecord(DNSRecordInterface $record): bool |
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{ |
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return $this->getRecords((string)$record->getHostname(), (string)$record->getType()) |
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->has($record); |
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} |
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/** |
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* @throws \RemotelyLiving\PHPDNS\Resolvers\Exceptions\QueryFailure |
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*/ |
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public function getRecords(string $hostname, string $recordType = null): DNSRecordCollection |
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{ |
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$recordType = DNSRecordType::createFromString($recordType ?? 'ANY'); |
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$hostname = Hostname::createFromString($hostname); |
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$profile = $this->createProfile("{$this->getName()}:{$hostname}:{$recordType}"); |
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$profile->startTransaction(); |
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try { |
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$result = ($recordType->equals(DNSRecordType::createANY())) |
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? $this->doQuery($hostname, $recordType) |
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: $this->doQuery($hostname, $recordType)->filteredByType($recordType); |
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} catch (QueryFailure $e) { |
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$dnsQueryFailureEvent = new DNSQueryFailed($this, $hostname, $recordType, $e); |
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$this->dispatch($dnsQueryFailureEvent); |
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$this->getLogger()->error( |
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'DNS query failed', |
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[self::EVENT => json_encode($dnsQueryFailureEvent, JSON_THROW_ON_ERROR), 'exception' => $e] |
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); |
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throw $e; |
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} finally { |
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$profile->endTransaction(); |
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$profile->samplePeakMemoryUsage(); |
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$dnsQueryProfiledEvent = new DNSQueryProfiled($profile); |
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$this->dispatch($dnsQueryProfiledEvent); |
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$this->getLogger()->info('DNS query profiled', [self::EVENT => json_encode($dnsQueryProfiledEvent)]); |
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} |
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$dnsQueriedEvent = new DNSQueried($this, $hostname, $recordType, $result); |
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$this->dispatch($dnsQueriedEvent); |
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$this->getLogger()->info('DNS queried', [self::EVENT => json_encode($dnsQueriedEvent, JSON_THROW_ON_ERROR)]); |
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return $result; |
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} |
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public function mapResults(MapperInterface $mapper, array $results): DNSRecordCollection |
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{ |
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$collection = new DNSRecordCollection(); |
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array_map(function (array $fields) use (&$collection, $mapper) { |
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try { |
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$collection[] = $mapper->mapFields($fields)->toDNSRecord(); |
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} catch (InvalidArgumentException) { |
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$this->getLogger()->warning('Invalid fields passed to mapper', $fields); |
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} |
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}, $results); |
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return $collection; |
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} |
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/** |
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* @throws \RemotelyLiving\PHPDNS\Resolvers\Exceptions\QueryFailure |
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*/ |
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abstract protected function doQuery(Hostname $hostname, DNSRecordType $recordType): DNSRecordCollection; |
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} |
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remotelyliving /
php-dns
