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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Superdesk Web Publisher Content Bundle. |
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* |
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* Copyright 2019 Sourcefabric z.ú. and contributors. |
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* |
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* For the full copyright and license information, please see the |
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* AUTHORS and LICENSE files distributed with this source code. |
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* |
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* @copyright 2019 Sourcefabric z.ú |
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* @license http://www.superdesk.org/license |
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*/ |
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namespace SWP\Bundle\ContentBundle\File; |
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use function rtrim; |
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use function sha1; |
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use function strlen; |
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use function sys_get_temp_dir; |
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use function pathinfo; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Exception\ConnectException; |
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use GuzzleHttp\Exception\RequestException; |
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use GuzzleHttp\Handler\CurlHandler; |
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use GuzzleHttp\HandlerStack; |
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use GuzzleHttp\Middleware; |
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use GuzzleHttp\Psr7\Request; |
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use GuzzleHttp\Psr7\Response; |
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use Hoa\Mime\Mime; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\HttpFoundation\File\UploadedFile; |
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final class FileDownloader implements FileDownloaderInterface |
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{ |
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private $logger; |
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private $retryDownloads; |
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public function __construct(LoggerInterface $logger, bool $retryDownloads) |
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{ |
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$this->logger = $logger; |
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$this->retryDownloads = $retryDownloads; |
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} |
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public function download(string $url, string $mediaId, string $mimeType = null): UploadedFile |
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{ |
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$pathParts = pathinfo($url); |
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if (null === $mimeType) { |
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$mimeType = Mime::getMimeFromExtension($pathParts['extension']); |
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} |
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$handlerStack = HandlerStack::create(new CurlHandler()); |
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$handlerStack->push(Middleware::retry($this->retryDecider(), $this->retryDelay())); |
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$client = new Client(array('handler' => $handlerStack)); |
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$tempLocation = rtrim(sys_get_temp_dir(), '/').DIRECTORY_SEPARATOR.sha1($mediaId.date('his')); |
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$client->request('GET', $url, ['sink' => $tempLocation]); |
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return new UploadedFile($tempLocation, $mediaId, $mimeType, strlen($tempLocation), null, true); |
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} |
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private function retryDecider(): callable |
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{ |
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return function ( |
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$retries, |
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Request $request, |
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Response $response = null, |
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RequestException $exception = null |
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): bool { |
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$retry = false; |
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if (!$this->retryDownloads) { |
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$this->logger->error(\sprintf('Retries are disabled')); |
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return false; |
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} |
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if ($retries >= 4) { |
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$this->logger->error(\sprintf('Maximum number of retires reached')); |
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return false; |
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} |
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// Retry connection exceptions |
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if ($exception instanceof ConnectException) { |
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$retry = true; |
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} |
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// Retry on server errors |
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if ($response && $response->getStatusCode() >= 400) { |
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$retry = true; |
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} |
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if (true === $retry) { |
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$this->logger->info(\sprintf('Retry downloading %s', $request->getUri())); |
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} |
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return $retry; |
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}; |
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} |
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private function retryDelay(): callable |
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{ |
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return static function ($numberOfRetries): int { |
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return 1000 * $numberOfRetries; |
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}; |
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} |
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} |
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superdesk /
web-publisher
