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<?php |
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namespace Dudlewebs\WPMCS\s3\Aws\S3; |
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use Dudlewebs\WPMCS\s3\Aws\CommandInterface; |
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use Dudlewebs\WPMCS\s3\Aws\Multipart\UploadState; |
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use Dudlewebs\WPMCS\s3\Aws\ResultInterface; |
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trait MultipartUploadingTrait |
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{ |
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/** |
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* Creates an UploadState object for a multipart upload by querying the |
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* service for the specified upload's information. |
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* |
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* @param S3ClientInterface $client S3Client used for the upload. |
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* @param string $bucket Bucket for the multipart upload. |
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* @param string $key Object key for the multipart upload. |
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* @param string $uploadId Upload ID for the multipart upload. |
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* |
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* @return UploadState |
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*/ |
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public static function getStateFromService(S3ClientInterface $client, $bucket, $key, $uploadId) |
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{ |
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$state = new UploadState(['Bucket' => $bucket, 'Key' => $key, 'UploadId' => $uploadId]); |
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foreach ($client->getPaginator('ListParts', $state->getId()) as $result) { |
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// Get the part size from the first part in the first result. |
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if (!$state->getPartSize()) { |
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$state->setPartSize($result->search('Parts[0].Size')); |
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} |
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// Mark all the parts returned by ListParts as uploaded. |
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foreach ($result['Parts'] as $part) { |
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$state->markPartAsUploaded($part['PartNumber'], ['PartNumber' => $part['PartNumber'], 'ETag' => $part['ETag']]); |
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} |
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} |
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$state->setStatus(UploadState::INITIATED); |
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return $state; |
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} |
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protected function handleResult(CommandInterface $command, ResultInterface $result) |
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{ |
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$this->getState()->markPartAsUploaded($command['PartNumber'], ['PartNumber' => $command['PartNumber'], 'ETag' => $this->extractETag($result)]); |
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} |
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protected abstract function extractETag(ResultInterface $result); |
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protected function getCompleteParams() |
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{ |
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$config = $this->getConfig(); |
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$params = isset($config['params']) ? $config['params'] : []; |
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$params['MultipartUpload'] = ['Parts' => $this->getState()->getUploadedParts()]; |
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return $params; |
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} |
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protected function determinePartSize() |
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{ |
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// Make sure the part size is set. |
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$partSize = $this->getConfig()['part_size'] ?: MultipartUploader::PART_MIN_SIZE; |
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// Adjust the part size to be larger for known, x-large uploads. |
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if ($sourceSize = $this->getSourceSize()) { |
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$partSize = (int) \max($partSize, \ceil($sourceSize / MultipartUploader::PART_MAX_NUM)); |
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} |
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// Ensure that the part size follows the rules: 5 MB <= size <= 5 GB. |
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if ($partSize < MultipartUploader::PART_MIN_SIZE || $partSize > MultipartUploader::PART_MAX_SIZE) { |
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throw new \InvalidArgumentException('The part size must be no less ' . 'than 5 MB and no greater than 5 GB.'); |
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} |
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return $partSize; |
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} |
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protected function getInitiateParams() |
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{ |
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$config = $this->getConfig(); |
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$params = isset($config['params']) ? $config['params'] : []; |
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if (isset($config['acl'])) { |
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$params['ACL'] = $config['acl']; |
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} |
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// Set the ContentType if not already present |
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if (empty($params['ContentType']) && ($type = $this->getSourceMimeType())) { |
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$params['ContentType'] = $type; |
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} |
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return $params; |
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} |
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/** |
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* @return UploadState |
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*/ |
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protected abstract function getState(); |
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/** |
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* @return array |
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*/ |
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protected abstract function getConfig(); |
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/** |
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* @return int |
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*/ |
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protected abstract function getSourceSize(); |
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/** |
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* @return string|null |
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*/ |
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protected abstract function getSourceMimeType(); |
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} |
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