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<?php |
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declare(strict_types=1); |
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namespace Eclipxe\XmlResourceRetriever\Downloader; |
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use Exception; |
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use InvalidArgumentException; |
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use RuntimeException; |
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class PhpDownloader implements DownloaderInterface |
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{ |
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/** @var resource */ |
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private $context; |
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/** |
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* PhpDownloader constructor. |
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* @param resource|null $context A valid context created with stream_context_create |
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*/ |
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public function __construct($context = null) |
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{ |
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if (null === $context) { |
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$context = $this->createContext(); |
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} |
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$this->setContext($context); |
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} |
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/** @return resource */ |
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public function getContext() |
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{ |
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return $this->context; |
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} |
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/** |
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* Set the context (created with stream_context_create) that will be used when try to download |
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* @param resource|mixed $context |
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* @see https://php.net/stream-context-create |
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*/ |
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public function setContext($context): void |
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{ |
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if (! is_resource($context)) { |
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throw new InvalidArgumentException('Provided context is not a resource'); |
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} |
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if ('stream-context' !== get_resource_type($context)) { |
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throw new InvalidArgumentException( |
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sprintf('Provided context is not a stream-context resource, given: %s', get_resource_type($context)) |
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); |
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} |
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$this->context = $context; |
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} |
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/** @return resource */ |
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public function createContext() |
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{ |
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return stream_context_get_default(); |
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} |
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public function downloadTo(string $source, string $destination): void |
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{ |
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/** @noinspection PhpUsageOfSilenceOperatorInspection */ |
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if (! @copy($source, $destination, $this->getContext())) { |
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$previousException = null; |
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if (null !== $lastError = error_get_last()) { |
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$previousException = new Exception($lastError['message']); |
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} |
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throw new RuntimeException("Unable to download $source to $destination", 0, $previousException); |
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} |
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} |
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} |
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eclipxe13 /
XmlResourceRetriever
