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<?php |
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namespace League\Flysystem\AwsS3v3; |
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use Aws\Result; |
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use Aws\S3\Exception\DeleteMultipleObjectsException; |
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use Aws\S3\Exception\S3Exception; |
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use Aws\S3\S3Client; |
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use League\Flysystem\Adapter\AbstractAdapter; |
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use League\Flysystem\AdapterInterface; |
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use League\Flysystem\Config; |
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use League\Flysystem\Util; |
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class AwsS3Adapter extends AbstractAdapter |
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{ |
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const PUBLIC_GRANT_URI = 'http://acs.amazonaws.com/groups/global/AllUsers'; |
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/** |
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* @var array |
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*/ |
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protected static $resultMap = [ |
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'Body' => 'contents', |
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'ContentLength' => 'size', |
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'ContentType' => 'mimetype', |
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'Size' => 'size', |
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]; |
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/** |
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* @var array |
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*/ |
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protected static $metaOptions = [ |
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'CacheControl', |
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'Expires', |
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'StorageClass', |
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'ServerSideEncryption', |
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'Metadata', |
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'ACL', |
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'ContentType', |
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'ContentEncoding', |
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'ContentDisposition', |
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'ContentLength', |
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]; |
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/** |
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* @var S3Client |
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*/ |
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protected $s3Client; |
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/** |
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* @var string |
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*/ |
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protected $bucket; |
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/** |
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* @var array |
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*/ |
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protected $options = []; |
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/** |
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* Constructor. |
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* |
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* @param S3Client $client |
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* @param string $bucket |
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* @param string $prefix |
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* @param array $options |
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*/ |
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public function __construct(S3Client $client, $bucket, $prefix = '', array $options = []) |
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{ |
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$this->s3Client = $client; |
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$this->bucket = $bucket; |
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$this->setPathPrefix($prefix); |
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$this->options = $options; |
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} |
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/** |
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* Get the S3Client bucket. |
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* |
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* @return string |
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*/ |
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public function getBucket() |
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{ |
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return $this->bucket; |
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} |
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/** |
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* Get the S3Client instance. |
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* |
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* @return S3Client |
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*/ |
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public function getClient() |
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{ |
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return $this->s3Client; |
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} |
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/** |
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* Write a new file. |
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* |
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* @param string $path |
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* @param string $contents |
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* @param Config $config Config object |
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* |
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* @return false|array false on failure file meta data on success |
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*/ |
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public function write($path, $contents, Config $config) |
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{ |
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return $this->upload($path, $contents, $config); |
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} |
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/** |
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* Update a file. |
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* |
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* @param string $path |
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* @param string $contents |
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* @param Config $config Config object |
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* |
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* @return false|array false on failure file meta data on success |
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*/ |
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public function update($path, $contents, Config $config) |
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{ |
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return $this->upload($path, $contents, $config); |
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} |
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/** |
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* Rename a file. |
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* |
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* @param string $path |
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* @param string $newpath |
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* |
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* @return bool |
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*/ |
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public function rename($path, $newpath) |
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{ |
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if ( ! $this->copy($path, $newpath)) { |
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return false; |
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} |
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return $this->delete($path); |
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} |
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/** |
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* Delete a file. |
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* |
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* @param string $path |
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* |
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* @return bool |
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*/ |
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public function delete($path) |
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{ |
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$location = $this->applyPathPrefix($path); |
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$command = $this->s3Client->getCommand( |
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'deleteObject', |
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[ |
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'Bucket' => $this->bucket, |
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'Key' => $location, |
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] |
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); |
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$this->s3Client->execute($command); |
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return ! $this->has($path); |
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} |
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/** |
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* Delete a directory. |
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* |
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* @param string $dirname |
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* |
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* @return bool |
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*/ |
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public function deleteDir($dirname) |
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{ |
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try { |
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$prefix = $this->applyPathPrefix($dirname) . '/'; |
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$this->s3Client->deleteMatchingObjects($this->bucket, $prefix); |
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} catch (DeleteMultipleObjectsException $exception) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Create a directory. |
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* |
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* @param string $dirname directory name |
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* @param Config $config |
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* |
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* @return bool|array |
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*/ |
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public function createDir($dirname, Config $config) |
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{ |
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return $this->upload($dirname . '/', '', $config); |
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} |
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/** |
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* Check whether a file exists. |
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* |
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* @param string $path |
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* |
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* @return bool |
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*/ |
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public function has($path) |
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{ |
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$location = $this->applyPathPrefix($path); |
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try { |
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$command = $this->s3Client->getCommand( |
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'headObject', |
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[ |
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'Bucket' => $this->bucket, |
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'Key' => $location, |
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] |
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); |
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$this->s3Client->execute($command); |
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return true; |
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} catch (S3Exception $e) { |
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// Maybe this isn't an actual key, but a prefix. |
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// Do a prefix listing of objects to determine. |
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$command = $this->s3Client->getCommand( |
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'listObjects', |
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[ |
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'Bucket' => $this->bucket, |
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'Prefix' => rtrim($location, '/').'/', |
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'MaxKeys' => 1, |
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] |
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); |
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$result = $this->s3Client->execute($command); |
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return $result['Contents'] || $result['CommonPrefixes']; |
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} |
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} |
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/** |
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* Read a file. |
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* |
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* @param string $path |
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* |
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* @return false|array |
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*/ |
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public function read($path) |
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{ |
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$response = $this->readObject($path); |
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if ($response !== false) { |
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$response['contents'] = $response['contents']->getContents(); |
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} |
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return $response; |
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} |
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/** |
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* List contents of a directory. |
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* |
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* @param string $directory |
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* @param bool $recursive |
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* |
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* @return array |
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*/ |
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public function listContents($directory = '', $recursive = false) |
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{ |
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$prefix = $this->applyPathPrefix(rtrim($directory, '/') . '/'); |
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$options = ['Bucket' => $this->bucket, 'Prefix' => ltrim($prefix, '/')]; |
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if ($recursive === false) { |
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$options['Delimiter'] = '/'; |
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} |
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$listing = $this->retrievePaginatedListing($options); |
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$normalizer = [$this, 'normalizeResponse']; |
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$normalized = array_map($normalizer, $listing); |
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return Util::emulateDirectories($normalized); |
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} |
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279
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/** |
280
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* @param array $options |
281
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* |
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* @return array |
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*/ |
284
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protected function retrievePaginatedListing(array $options) |
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{ |
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$resultPaginator = $this->s3Client->getPaginator('ListObjects', $options); |
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$listing = []; |
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foreach ($resultPaginator as $result) { |
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$listing = array_merge($listing, $result->get('Contents') ?: [], $result->get('CommonPrefixes') ?: []); |
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} |
292
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293
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return $listing; |
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} |
295
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296
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/** |
297
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* Get all the meta data of a file or directory. |
298
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* |
299
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* @param string $path |
300
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* |
301
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* @return false|array |
302
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*/ |
303
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public function getMetadata($path) |
304
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{ |
305
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12 |
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$command = $this->s3Client->getCommand( |
306
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'headObject', |
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[ |
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'Bucket' => $this->bucket, |
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'Key' => $this->applyPathPrefix($path), |
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] |
311
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); |
312
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313
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/* @var Result $result */ |
314
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try { |
315
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12 |
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$result = $this->s3Client->execute($command); |
316
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} catch (S3Exception $exception) { |
317
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4 |
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$response = $exception->getResponse(); |
318
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319
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4 |
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if ($response !== null && $response->getStatusCode() === 404) { |
320
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2 |
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return false; |
321
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} |
322
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323
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2 |
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throw $exception; |
324
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} |
325
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326
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8 |
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return $this->normalizeResponse($result->toArray(), $path); |
327
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} |
328
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329
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/** |
330
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* Get all the meta data of a file or directory. |
331
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* |
332
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* @param string $path |
333
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* |
334
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* @return false|array |
335
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*/ |
336
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2 |
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public function getSize($path) |
337
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{ |
338
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2 |
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return $this->getMetadata($path); |
339
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} |
340
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341
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/** |
342
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* Get the mimetype of a file. |
343
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* |
344
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* @param string $path |
345
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* |
346
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* @return false|array |
347
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*/ |
348
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2 |
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public function getMimetype($path) |
349
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{ |
350
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2 |
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return $this->getMetadata($path); |
351
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} |
352
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|
353
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/** |
354
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* Get the timestamp of a file. |
355
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* |
356
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* @param string $path |
357
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* |
358
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* @return false|array |
359
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*/ |
360
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2 |
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public function getTimestamp($path) |
361
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{ |
362
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2 |
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return $this->getMetadata($path); |
363
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} |
364
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|
365
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/** |
366
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* Write a new file using a stream. |
367
|
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|
* |
368
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* @param string $path |
369
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* @param resource $resource |
370
|
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* @param Config $config Config object |
371
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* |
372
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* @return array|false false on failure file meta data on success |
373
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*/ |
374
|
2 |
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public function writeStream($path, $resource, Config $config) |
375
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{ |
376
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2 |
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return $this->upload($path, $resource, $config); |
377
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} |
378
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|
379
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/** |
380
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* Update a file using a stream. |
381
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* |
382
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* @param string $path |
383
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* @param resource $resource |
384
|
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* @param Config $config Config object |
385
|
|
|
* |
386
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* @return array|false false on failure file meta data on success |
387
|
|
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*/ |
388
|
2 |
|
public function updateStream($path, $resource, Config $config) |
389
|
|
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{ |
390
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2 |
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return $this->upload($path, $resource, $config); |
391
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} |
392
|
|
|
|
393
|
|
|
/** |
394
|
|
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* Copy a file. |
395
|
|
|
* |
396
|
|
|
* @param string $path |
397
|
|
|
* @param string $newpath |
398
|
|
|
* |
399
|
|
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* @return bool |
400
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|
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*/ |
401
|
8 |
|
public function copy($path, $newpath) |
402
|
|
|
{ |
403
|
8 |
|
$visibility = $this->getRawVisibility($path); |
404
|
|
|
|
405
|
8 |
|
$command = $this->s3Client->getCommand( |
406
|
8 |
|
'copyObject', |
407
|
|
|
[ |
408
|
8 |
|
'Bucket' => $this->bucket, |
409
|
8 |
|
'Key' => $this->applyPathPrefix($newpath), |
410
|
8 |
|
'CopySource' => urlencode($this->bucket . '/' . $this->applyPathPrefix($path)), |
411
|
8 |
|
'ACL' => $visibility === AdapterInterface::VISIBILITY_PUBLIC ? 'public-read' : 'private', |
412
|
|
|
] |
413
|
8 |
|
); |
414
|
|
|
|
415
|
|
|
try { |
416
|
8 |
|
$this->s3Client->execute($command); |
417
|
8 |
|
} catch (S3Exception $e) { |
418
|
4 |
|
return false; |
419
|
|
|
} |
420
|
|
|
|
421
|
4 |
|
return true; |
422
|
|
|
} |
423
|
|
|
|
424
|
|
|
/** |
425
|
|
|
* Read a file as a stream. |
426
|
|
|
* |
427
|
|
|
* @param string $path |
428
|
|
|
* |
429
|
|
|
* @return array|false |
430
|
|
|
*/ |
431
|
2 |
|
public function readStream($path) |
432
|
|
|
{ |
433
|
2 |
|
$response = $this->readObject($path); |
434
|
|
|
|
435
|
2 |
|
if ($response !== false) { |
436
|
2 |
|
$response['stream'] = $response['contents']->detach(); |
437
|
2 |
|
rewind($response['stream']); |
438
|
2 |
|
unset($response['contents']); |
439
|
2 |
|
} |
440
|
|
|
|
441
|
2 |
|
return $response; |
442
|
|
|
} |
443
|
|
|
|
444
|
|
|
/** |
445
|
|
|
* Read an object and normalize the response. |
446
|
|
|
* |
447
|
|
|
* @param $path |
448
|
|
|
* |
449
|
|
|
* @return array|bool |
450
|
|
|
*/ |
451
|
6 |
|
protected function readObject($path) |
452
|
|
|
{ |
453
|
6 |
|
$command = $this->s3Client->getCommand( |
454
|
6 |
|
'getObject', |
455
|
|
|
[ |
456
|
6 |
|
'Bucket' => $this->bucket, |
457
|
6 |
|
'Key' => $this->applyPathPrefix($path), |
458
|
|
|
] |
459
|
6 |
|
); |
460
|
|
|
|
461
|
|
|
try { |
462
|
|
|
/** @var Result $response */ |
463
|
6 |
|
$response = $this->s3Client->execute($command); |
464
|
6 |
|
} catch (S3Exception $e) { |
465
|
2 |
|
return false; |
466
|
|
|
} |
467
|
|
|
|
468
|
4 |
|
return $this->normalizeResponse($response->toArray(), $path); |
469
|
|
|
} |
470
|
|
|
|
471
|
|
|
/** |
472
|
|
|
* Set the visibility for a file. |
473
|
|
|
* |
474
|
|
|
* @param string $path |
475
|
|
|
* @param string $visibility |
476
|
|
|
* |
477
|
|
|
* @return array|false file meta data |
478
|
|
|
*/ |
479
|
6 |
|
public function setVisibility($path, $visibility) |
480
|
|
|
{ |
481
|
6 |
|
$command = $this->s3Client->getCommand( |
482
|
6 |
|
'putObjectAcl', |
483
|
|
|
[ |
484
|
6 |
|
'Bucket' => $this->bucket, |
485
|
6 |
|
'Key' => $this->applyPathPrefix($path), |
486
|
6 |
|
'ACL' => $visibility === AdapterInterface::VISIBILITY_PUBLIC ? 'public-read' : 'private', |
487
|
|
|
] |
488
|
6 |
|
); |
489
|
|
|
|
490
|
|
|
try { |
491
|
6 |
|
$this->s3Client->execute($command); |
492
|
6 |
|
} catch (S3Exception $exception) { |
493
|
2 |
|
return false; |
494
|
|
|
} |
495
|
|
|
|
496
|
4 |
|
return compact('path', 'visibility'); |
497
|
|
|
} |
498
|
|
|
|
499
|
|
|
/** |
500
|
|
|
* Get the visibility of a file. |
501
|
|
|
* |
502
|
|
|
* @param string $path |
503
|
|
|
* |
504
|
|
|
* @return array|false |
505
|
|
|
*/ |
506
|
4 |
|
public function getVisibility($path) |
507
|
|
|
{ |
508
|
4 |
|
return ['visibility' => $this->getRawVisibility($path)]; |
509
|
|
|
} |
510
|
|
|
|
511
|
|
|
/** |
512
|
|
|
* {@inheritdoc} |
513
|
|
|
*/ |
514
|
58 |
|
public function applyPathPrefix($prefix) |
515
|
|
|
{ |
516
|
58 |
|
return ltrim(parent::applyPathPrefix($prefix), '/'); |
517
|
|
|
} |
518
|
|
|
|
519
|
|
|
/** |
520
|
|
|
* {@inheritdoc} |
521
|
|
|
*/ |
522
|
64 |
|
public function setPathPrefix($prefix) |
523
|
|
|
{ |
524
|
64 |
|
$prefix = ltrim($prefix, '/'); |
525
|
|
|
|
526
|
64 |
|
return parent::setPathPrefix($prefix); |
527
|
|
|
} |
528
|
|
|
|
529
|
|
|
/** |
530
|
|
|
* Get the object acl presented as a visibility. |
531
|
|
|
* |
532
|
|
|
* @param string $path |
533
|
|
|
* |
534
|
|
|
* @return string |
535
|
|
|
*/ |
536
|
12 |
|
protected function getRawVisibility($path) |
537
|
|
|
{ |
538
|
12 |
|
$command = $this->s3Client->getCommand( |
539
|
12 |
|
'getObjectAcl', |
540
|
|
|
[ |
541
|
12 |
|
'Bucket' => $this->bucket, |
542
|
12 |
|
'Key' => $this->applyPathPrefix($path), |
543
|
|
|
] |
544
|
12 |
|
); |
545
|
|
|
|
546
|
12 |
|
$result = $this->s3Client->execute($command); |
547
|
12 |
|
$visibility = AdapterInterface::VISIBILITY_PRIVATE; |
548
|
|
|
|
549
|
12 |
|
foreach ($result->get('Grants') as $grant) { |
550
|
|
|
if ( |
551
|
2 |
|
isset($grant['Grantee']['URI']) |
552
|
2 |
|
&& $grant['Grantee']['URI'] === self::PUBLIC_GRANT_URI |
553
|
2 |
|
&& $grant['Permission'] === 'READ' |
554
|
2 |
|
) { |
555
|
2 |
|
$visibility = AdapterInterface::VISIBILITY_PUBLIC; |
556
|
2 |
|
break; |
557
|
|
|
} |
558
|
12 |
|
} |
559
|
|
|
|
560
|
12 |
|
return $visibility; |
561
|
|
|
} |
562
|
|
|
|
563
|
|
|
/** |
564
|
|
|
* Upload an object. |
565
|
|
|
* |
566
|
|
|
* @param $path |
567
|
|
|
* @param $body |
568
|
|
|
* @param Config $config |
569
|
|
|
* |
570
|
|
|
* @return array |
571
|
|
|
*/ |
572
|
10 |
|
protected function upload($path, $body, Config $config) |
573
|
|
|
{ |
574
|
10 |
|
$key = $this->applyPathPrefix($path); |
575
|
10 |
|
$options = $this->getOptionsFromConfig($config); |
576
|
10 |
|
$acl = isset($options['ACL']) ? $options['ACL'] : 'private'; |
577
|
|
|
|
578
|
10 |
|
if ( ! isset($options['ContentType']) && is_string($body)) { |
579
|
2 |
|
$options['ContentType'] = Util::guessMimeType($path, $body); |
580
|
2 |
|
} |
581
|
|
|
|
582
|
10 |
|
if ( ! isset($options['ContentLength'])) { |
583
|
10 |
|
$options['ContentLength'] = is_string($body) ? Util::contentSize($body) : Util::getStreamSize($body); |
584
|
10 |
|
} |
585
|
|
|
|
586
|
10 |
|
$this->s3Client->upload($this->bucket, $key, $body, $acl, ['params' => $options]); |
587
|
|
|
|
588
|
10 |
|
return $this->normalizeResponse($options, $key); |
589
|
|
|
} |
590
|
|
|
|
591
|
|
|
/** |
592
|
|
|
* Get options from the config. |
593
|
|
|
* |
594
|
|
|
* @param Config $config |
595
|
|
|
* |
596
|
|
|
* @return array |
597
|
|
|
*/ |
598
|
10 |
|
protected function getOptionsFromConfig(Config $config) |
599
|
|
|
{ |
600
|
10 |
|
$options = $this->options; |
601
|
|
|
|
602
|
10 |
|
if ($visibility = $config->get('visibility')) { |
603
|
|
|
// For local reference |
604
|
8 |
|
$options['visibility'] = $visibility; |
605
|
|
|
// For external reference |
606
|
8 |
|
$options['ACL'] = $visibility === AdapterInterface::VISIBILITY_PUBLIC ? 'public-read' : 'private'; |
607
|
8 |
|
} |
608
|
|
|
|
609
|
10 |
|
if ($mimetype = $config->get('mimetype')) { |
610
|
|
|
// For local reference |
611
|
8 |
|
$options['mimetype'] = $mimetype; |
612
|
|
|
// For external reference |
613
|
8 |
|
$options['ContentType'] = $mimetype; |
614
|
8 |
|
} |
615
|
|
|
|
616
|
10 |
|
foreach (static::$metaOptions as $option) { |
617
|
10 |
|
if ( ! $config->has($option)) { |
618
|
10 |
|
continue; |
619
|
|
|
} |
620
|
8 |
|
$options[$option] = $config->get($option); |
621
|
10 |
|
} |
622
|
|
|
|
623
|
10 |
|
return $options; |
624
|
|
|
} |
625
|
|
|
|
626
|
|
|
/** |
627
|
|
|
* Normalize the object result array. |
628
|
|
|
* |
629
|
|
|
* @param array $response |
630
|
|
|
* @param string $path |
631
|
|
|
* |
632
|
|
|
* @return array |
633
|
|
|
*/ |
634
|
22 |
|
protected function normalizeResponse(array $response, $path = null) |
635
|
|
|
{ |
636
|
|
|
$result = [ |
637
|
22 |
|
'path' => $path ?: $this->removePathPrefix( |
638
|
|
|
isset($response['Key']) ? $response['Key'] : $response['Prefix'] |
639
|
22 |
|
), |
640
|
22 |
|
]; |
641
|
22 |
|
$result = array_merge($result, Util::pathinfo($result['path'])); |
642
|
|
|
|
643
|
22 |
|
if (isset($response['LastModified'])) { |
644
|
12 |
|
$result['timestamp'] = strtotime($response['LastModified']); |
645
|
12 |
|
} |
646
|
|
|
|
647
|
22 |
|
if (substr($result['path'], -1) === '/') { |
648
|
2 |
|
$result['type'] = 'dir'; |
649
|
2 |
|
$result['path'] = rtrim($result['path'], '/'); |
650
|
|
|
|
651
|
2 |
|
return $result; |
652
|
|
|
} |
653
|
|
|
|
654
|
20 |
|
return array_merge($result, Util::map($response, static::$resultMap), ['type' => 'file']); |
655
|
|
|
} |
656
|
|
|
} |
657
|
|
|
|