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<?php |
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/** |
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* This file is part of the Simple S3 package. |
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* |
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* (c) Mauro Cassani<https://github.com/mauretto78> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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*/ |
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namespace Matecat\SimpleS3\Commands\Handlers; |
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use Aws\S3\Exception\S3Exception; |
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use Exception; |
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use Matecat\SimpleS3\Commands\CommandHandler; |
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use Matecat\SimpleS3\Helpers\File; |
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class HasFolder extends CommandHandler |
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{ |
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/** |
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* Check if a folder already exists. |
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* For a complete reference: |
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* https://docs.aws.amazon.com/cli/latest/reference/s3api/head-object.html |
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* |
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* @param array $params |
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* |
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* @return bool |
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* @throws Exception |
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*/ |
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public function handle(array $params = []): bool |
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{ |
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$bucketName = $params[ 'bucket' ]; |
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$prefix = $params[ 'prefix' ]; |
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if ($this->client->hasEncoder()) { |
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$prefix = $this->client->getEncoder()->encode($prefix); |
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} |
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if (false === File::endsWith($prefix, $this->client->getPrefixSeparator())) { |
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$prefix .= $this->client->getPrefixSeparator(); |
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} |
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if ($this->client->hasCache() and $this->client->getCache()->has($bucketName, $prefix)) { |
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return true; |
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} |
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return $this->returnItemFromS3($bucketName, $prefix); |
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} |
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/** |
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* @param array $params |
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* |
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* @return bool |
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*/ |
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public function validateParams(array $params = []): bool |
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{ |
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return ( |
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isset($params[ 'bucket' ]) and |
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isset($params[ 'prefix' ]) |
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); |
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} |
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/** |
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* @param string $bucketName |
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* @param string $prefix |
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* |
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* @return bool |
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* @throws Exception |
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*/ |
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private function returnItemFromS3(string $bucketName, string $prefix): bool |
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{ |
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$command = $this->client->getConn()->getCommand( |
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'listObjects', |
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[ |
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'Bucket' => $bucketName, |
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'Prefix' => $prefix, |
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'MaxKeys' => 1, |
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] |
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); |
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try { |
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$result = $this->client->getConn()->execute($command); |
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return $result[ 'Contents' ] || $result[ 'CommonPrefixes' ]; |
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} catch (S3Exception $e) { |
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$this->commandHandlerLogger?->logExceptionAndReturnFalse($e); |
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throw $e; |
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} |
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} |
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} |
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matecat /
simple-s3
