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<?php |
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namespace kalanis\RemoteRequest\Pointers; |
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use kalanis\RemoteRequest\Interfaces\IConnectionParams; |
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use kalanis\RemoteRequest\Interfaces\IQuery; |
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use kalanis\RemoteRequest\Interfaces\IRRTranslations; |
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use kalanis\RemoteRequest\Protocols\Helper; |
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use kalanis\RemoteRequest\RequestException; |
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use kalanis\RemoteRequest\Traits\TLang; |
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/** |
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* Class Processor |
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* @package kalanis\RemoteRequest\Pointers |
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* Query to the remote server - read into provided output |
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*/ |
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class Processor |
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{ |
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use TLang; |
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/** @var IQuery|null */ |
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protected $remoteQuery = null; |
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/** @var resource|null */ |
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protected $remoteResponse = null; |
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public function __construct(?IRRTranslations $lang = null) |
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{ |
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$this->setRRLang($lang); |
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} |
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public function setQuery(?IQuery $content): self |
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{ |
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$this->remoteQuery = $content; |
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return $this; |
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} |
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/** |
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* @param resource|null $filePointer |
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* @param IConnectionParams $params |
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* @throws RequestException |
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* @return $this |
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* @codeCoverageIgnore because accessing remote resources, similar code is in overwrite |
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*/ |
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public function processPointer($filePointer, IConnectionParams $params): self |
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{ |
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$this->checkPointer($filePointer); |
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$this->writeRequest($filePointer, $params); // @phpstan-ignore-line |
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$this->readResponse($filePointer); // @phpstan-ignore-line |
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return $this; |
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} |
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/** |
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* @param resource $filePointer |
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* @param IConnectionParams $params |
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* @throws RequestException |
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* @return $this |
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*/ |
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protected function writeRequest($filePointer, IConnectionParams $params): self |
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{ |
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$srcStream = $this->getQuery()->getData(); // always exists - checked |
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rewind($srcStream); |
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stream_copy_to_stream($srcStream, $filePointer); |
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return $this; |
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} |
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/** |
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* @param resource $filePointer |
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* @throws RequestException |
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* @return $this |
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*/ |
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protected function readResponse($filePointer): self |
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{ |
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$this->remoteResponse = null; |
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// Read the server response |
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$response = Helper::getTempStorage(); |
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$bytesLeft = $this->getQuery()->getMaxAnswerLength(); // always exists - checked |
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stream_copy_to_stream($filePointer, $response, (is_null($bytesLeft) ? -1 : $bytesLeft), 0); |
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rewind($response); |
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$this->remoteResponse = $response; |
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return $this; |
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} |
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/** |
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* @throws RequestException |
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* @return IQuery |
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*/ |
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protected function getQuery(): IQuery |
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{ |
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if (empty($this->remoteQuery) |
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|| !($this->remoteQuery instanceof IQuery)) { |
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throw new RequestException($this->getRRLang()->rrPointUnknownTarget()); |
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} |
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return $this->remoteQuery; |
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} |
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/** |
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* @param resource|null $filePointer |
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* @throws RequestException |
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*/ |
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protected function checkPointer($filePointer): void |
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{ |
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if (empty($filePointer) |
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|| !is_resource($filePointer)) { |
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throw new RequestException($this->getRRLang()->rrPointNoStreamPointer()); |
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} |
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} |
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/** |
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* @return resource|null |
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*/ |
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public function getContent() |
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{ |
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return $this->remoteResponse; |
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} |
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} |
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alex-kalanis /
remote-request
