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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\Exception\S3MultipartUploadException; |
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use Aws\S3\S3Client; |
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use League\Flysystem\Adapter\AbstractAdapter; |
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use League\Flysystem\Adapter\CanOverwriteFiles; |
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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 implements CanOverwriteFiles |
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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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'Metadata' => 'metadata', |
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'StorageClass' => 'storageclass', |
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'ETag' => 'etag', |
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'VersionId' => 'versionid' |
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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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'ACL', |
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'CacheControl', |
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'ContentDisposition', |
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'ContentEncoding', |
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'ContentLength', |
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'ContentType', |
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'Expires', |
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'GrantFullControl', |
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'GrantRead', |
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'GrantReadACP', |
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'GrantWriteACP', |
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'Metadata', |
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'RequestPayer', |
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'SSECustomerAlgorithm', |
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'SSECustomerKey', |
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'SSECustomerKeyMD5', |
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'SSEKMSKeyId', |
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'ServerSideEncryption', |
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'StorageClass', |
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'Tagging', |
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'WebsiteRedirectLocation', |
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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 $this->bucket; |
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} |
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/** |
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* Set the S3Client bucket. |
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* |
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* @return string |
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*/ |
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public function setBucket($bucket) |
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{ |
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$this->bucket = $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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if ($this->s3Client->doesObjectExist($this->bucket, $location, $this->options)) { |
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return true; |
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} |
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return $this->doesDirectoryExist($location); |
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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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276
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$listing = $this->retrievePaginatedListing($options); |
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$normalizer = [$this, 'normalizeResponse']; |
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$normalized = array_map($normalizer, $listing); |
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280
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return Util::emulateDirectories($normalized); |
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} |
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283
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/** |
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* @param array $options |
285
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* |
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* @return array |
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*/ |
288
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4 |
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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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293
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4 |
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foreach ($resultPaginator as $result) { |
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$listing = array_merge($listing, $result->get('Contents') ?: [], $result->get('CommonPrefixes') ?: []); |
295
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2 |
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} |
296
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297
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4 |
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return $listing; |
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} |
299
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300
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/** |
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* Get all the meta data of a file or directory. |
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* |
303
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* @param string $path |
304
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* |
305
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* @return false|array |
306
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*/ |
307
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14 |
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public function getMetadata($path) |
308
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{ |
309
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14 |
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$command = $this->s3Client->getCommand( |
310
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'headObject', |
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[ |
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14 |
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'Bucket' => $this->bucket, |
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'Key' => $this->applyPathPrefix($path), |
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] + $this->options |
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); |
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317
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/* @var Result $result */ |
318
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try { |
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$result = $this->s3Client->execute($command); |
320
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9 |
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} catch (S3Exception $exception) { |
321
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4 |
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if ($this->is404Exception($exception)) { |
322
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2 |
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return false; |
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} |
324
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325
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2 |
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throw $exception; |
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} |
327
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328
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10 |
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return $this->normalizeResponse($result->toArray(), $path); |
329
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} |
330
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331
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/** |
332
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* @return bool |
333
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*/ |
334
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4 |
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private function is404Exception(S3Exception $exception) |
335
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{ |
336
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4 |
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$response = $exception->getResponse(); |
337
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338
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4 |
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if ($response !== null && $response->getStatusCode() === 404) { |
339
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2 |
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return true; |
340
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} |
341
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342
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2 |
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return false; |
343
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} |
344
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345
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/** |
346
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* Get all the meta data of a file or directory. |
347
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* |
348
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* @param string $path |
349
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* |
350
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* @return false|array |
351
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*/ |
352
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2 |
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public function getSize($path) |
353
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{ |
354
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2 |
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return $this->getMetadata($path); |
355
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} |
356
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|
357
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/** |
358
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* Get the mimetype of a file. |
359
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* |
360
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* @param string $path |
361
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* |
362
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* @return false|array |
363
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*/ |
364
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2 |
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public function getMimetype($path) |
365
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{ |
366
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2 |
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return $this->getMetadata($path); |
367
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} |
368
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|
369
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/** |
370
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* Get the timestamp of a file. |
371
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* |
372
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* @param string $path |
373
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* |
374
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* @return false|array |
375
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*/ |
376
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2 |
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public function getTimestamp($path) |
377
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{ |
378
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2 |
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return $this->getMetadata($path); |
379
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} |
380
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|
381
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/** |
382
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* Write a new file using a stream. |
383
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* |
384
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* @param string $path |
385
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* @param resource $resource |
386
|
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* @param Config $config Config object |
387
|
|
|
* |
388
|
|
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* @return array|false false on failure file meta data on success |
389
|
|
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*/ |
390
|
4 |
|
public function writeStream($path, $resource, Config $config) |
391
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|
|
{ |
392
|
4 |
|
return $this->upload($path, $resource, $config); |
393
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} |
394
|
|
|
|
395
|
|
|
/** |
396
|
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* Update a file using a stream. |
397
|
|
|
* |
398
|
|
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* @param string $path |
399
|
|
|
* @param resource $resource |
400
|
|
|
* @param Config $config Config object |
401
|
|
|
* |
402
|
|
|
* @return array|false false on failure file meta data on success |
403
|
|
|
*/ |
404
|
4 |
|
public function updateStream($path, $resource, Config $config) |
405
|
|
|
{ |
406
|
4 |
|
return $this->upload($path, $resource, $config); |
407
|
|
|
} |
408
|
|
|
|
409
|
|
|
/** |
410
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|
|
* Copy a file. |
411
|
|
|
* |
412
|
|
|
* @param string $path |
413
|
|
|
* @param string $newpath |
414
|
|
|
* |
415
|
|
|
* @return bool |
416
|
|
|
*/ |
417
|
8 |
|
public function copy($path, $newpath) |
418
|
|
|
{ |
419
|
8 |
|
$command = $this->s3Client->getCommand( |
420
|
8 |
|
'copyObject', |
421
|
|
|
[ |
422
|
8 |
|
'Bucket' => $this->bucket, |
423
|
8 |
|
'Key' => $this->applyPathPrefix($newpath), |
424
|
8 |
|
'CopySource' => urlencode($this->bucket . '/' . $this->applyPathPrefix($path)), |
425
|
8 |
|
'ACL' => $this->getRawVisibility($path) === AdapterInterface::VISIBILITY_PUBLIC |
426
|
8 |
|
? 'public-read' : 'private', |
427
|
8 |
|
] + $this->options |
428
|
4 |
|
); |
429
|
|
|
|
430
|
|
|
try { |
431
|
8 |
|
$this->s3Client->execute($command); |
432
|
6 |
|
} catch (S3Exception $e) { |
433
|
4 |
|
return false; |
434
|
|
|
} |
435
|
|
|
|
436
|
4 |
|
return true; |
437
|
|
|
} |
438
|
|
|
|
439
|
|
|
/** |
440
|
|
|
* Read a file as a stream. |
441
|
|
|
* |
442
|
|
|
* @param string $path |
443
|
|
|
* |
444
|
|
|
* @return array|false |
445
|
|
|
*/ |
446
|
6 |
|
public function readStream($path) |
447
|
|
|
{ |
448
|
6 |
|
$response = $this->readObject($path); |
449
|
|
|
|
450
|
6 |
|
if ($response !== false) { |
451
|
6 |
|
$response['stream'] = $response['contents']->detach(); |
452
|
6 |
|
unset($response['contents']); |
453
|
3 |
|
} |
454
|
|
|
|
455
|
6 |
|
return $response; |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
/** |
459
|
|
|
* Read an object and normalize the response. |
460
|
|
|
* |
461
|
|
|
* @param $path |
462
|
|
|
* |
463
|
|
|
* @return array|bool |
464
|
|
|
*/ |
465
|
10 |
|
protected function readObject($path) |
466
|
|
|
{ |
467
|
|
|
$options = [ |
468
|
10 |
|
'Bucket' => $this->bucket, |
469
|
10 |
|
'Key' => $this->applyPathPrefix($path), |
470
|
5 |
|
]; |
471
|
|
|
|
472
|
10 |
|
if (isset($this->options['@http'])) { |
473
|
2 |
|
$options['@http'] = $this->options['@http']; |
474
|
1 |
|
} |
475
|
|
|
|
476
|
10 |
|
$command = $this->s3Client->getCommand('getObject', $options + $this->options); |
477
|
|
|
|
478
|
|
|
try { |
479
|
|
|
/** @var Result $response */ |
480
|
10 |
|
$response = $this->s3Client->execute($command); |
481
|
6 |
|
} catch (S3Exception $e) { |
482
|
2 |
|
return false; |
483
|
|
|
} |
484
|
|
|
|
485
|
8 |
|
return $this->normalizeResponse($response->toArray(), $path); |
486
|
|
|
} |
487
|
|
|
|
488
|
|
|
/** |
489
|
|
|
* Set the visibility for a file. |
490
|
|
|
* |
491
|
|
|
* @param string $path |
492
|
|
|
* @param string $visibility |
493
|
|
|
* |
494
|
|
|
* @return array|false file meta data |
495
|
|
|
*/ |
496
|
6 |
|
public function setVisibility($path, $visibility) |
497
|
|
|
{ |
498
|
6 |
|
$command = $this->s3Client->getCommand( |
499
|
6 |
|
'putObjectAcl', |
500
|
|
|
[ |
501
|
6 |
|
'Bucket' => $this->bucket, |
502
|
6 |
|
'Key' => $this->applyPathPrefix($path), |
503
|
6 |
|
'ACL' => $visibility === AdapterInterface::VISIBILITY_PUBLIC ? 'public-read' : 'private', |
504
|
|
|
] |
505
|
3 |
|
); |
506
|
|
|
|
507
|
|
|
try { |
508
|
6 |
|
$this->s3Client->execute($command); |
509
|
4 |
|
} catch (S3Exception $exception) { |
510
|
2 |
|
return false; |
511
|
|
|
} |
512
|
|
|
|
513
|
4 |
|
return compact('path', 'visibility'); |
514
|
|
|
} |
515
|
|
|
|
516
|
|
|
/** |
517
|
|
|
* Get the visibility of a file. |
518
|
|
|
* |
519
|
|
|
* @param string $path |
520
|
|
|
* |
521
|
|
|
* @return array|false |
522
|
|
|
*/ |
523
|
4 |
|
public function getVisibility($path) |
524
|
|
|
{ |
525
|
4 |
|
return ['visibility' => $this->getRawVisibility($path)]; |
526
|
|
|
} |
527
|
|
|
|
528
|
|
|
/** |
529
|
|
|
* {@inheritdoc} |
530
|
|
|
*/ |
531
|
68 |
|
public function applyPathPrefix($path) |
532
|
|
|
{ |
533
|
68 |
|
return ltrim(parent::applyPathPrefix($path), '/'); |
534
|
|
|
} |
535
|
|
|
|
536
|
|
|
/** |
537
|
|
|
* {@inheritdoc} |
538
|
|
|
*/ |
539
|
76 |
|
public function setPathPrefix($prefix) |
540
|
|
|
{ |
541
|
76 |
|
$prefix = ltrim($prefix, '/'); |
542
|
|
|
|
543
|
76 |
|
return parent::setPathPrefix($prefix); |
544
|
|
|
} |
545
|
|
|
|
546
|
|
|
/** |
547
|
|
|
* Get the object acl presented as a visibility. |
548
|
|
|
* |
549
|
|
|
* @param string $path |
550
|
|
|
* |
551
|
|
|
* @return string |
552
|
|
|
*/ |
553
|
12 |
|
protected function getRawVisibility($path) |
554
|
|
|
{ |
555
|
12 |
|
$command = $this->s3Client->getCommand( |
556
|
12 |
|
'getObjectAcl', |
557
|
|
|
[ |
558
|
12 |
|
'Bucket' => $this->bucket, |
559
|
12 |
|
'Key' => $this->applyPathPrefix($path), |
560
|
|
|
] |
561
|
6 |
|
); |
562
|
|
|
|
563
|
12 |
|
$result = $this->s3Client->execute($command); |
564
|
12 |
|
$visibility = AdapterInterface::VISIBILITY_PRIVATE; |
565
|
|
|
|
566
|
12 |
|
foreach ($result->get('Grants') as $grant) { |
567
|
|
|
if ( |
568
|
2 |
|
isset($grant['Grantee']['URI']) |
569
|
2 |
|
&& $grant['Grantee']['URI'] === self::PUBLIC_GRANT_URI |
570
|
2 |
|
&& $grant['Permission'] === 'READ' |
571
|
1 |
|
) { |
572
|
2 |
|
$visibility = AdapterInterface::VISIBILITY_PUBLIC; |
573
|
2 |
|
break; |
574
|
|
|
} |
575
|
6 |
|
} |
576
|
|
|
|
577
|
12 |
|
return $visibility; |
578
|
|
|
} |
579
|
|
|
|
580
|
|
|
/** |
581
|
|
|
* Upload an object. |
582
|
|
|
* |
583
|
|
|
* @param $path |
584
|
|
|
* @param $body |
585
|
|
|
* @param Config $config |
586
|
|
|
* |
587
|
|
|
* @return array|bool |
588
|
|
|
*/ |
589
|
14 |
|
protected function upload($path, $body, Config $config) |
590
|
|
|
{ |
591
|
14 |
|
$key = $this->applyPathPrefix($path); |
592
|
14 |
|
$options = $this->getOptionsFromConfig($config); |
593
|
14 |
|
$acl = array_key_exists('ACL', $options) ? $options['ACL'] : 'private'; |
594
|
|
|
|
595
|
14 |
|
if (!$this->isOnlyDir($path)) { |
596
|
12 |
|
if ( ! isset($options['ContentType'])) { |
597
|
2 |
|
$options['ContentType'] = Util::guessMimeType($path, $body); |
598
|
1 |
|
} |
599
|
|
|
|
600
|
12 |
|
if ( ! isset($options['ContentLength'])) { |
601
|
12 |
|
$options['ContentLength'] = is_resource($body) ? Util::getStreamSize($body) : Util::contentSize($body); |
602
|
6 |
|
} |
603
|
|
|
|
604
|
12 |
|
if ($options['ContentLength'] === null) { |
605
|
|
|
unset($options['ContentLength']); |
606
|
|
|
} |
607
|
6 |
|
} |
608
|
|
|
|
609
|
|
|
try { |
610
|
14 |
|
$this->s3Client->upload($this->bucket, $key, $body, $acl, ['params' => $options]); |
611
|
8 |
|
} catch (S3MultipartUploadException $multipartUploadException) { |
612
|
2 |
|
return false; |
613
|
|
|
} |
614
|
|
|
|
615
|
12 |
|
return $this->normalizeResponse($options, $path); |
616
|
|
|
} |
617
|
|
|
|
618
|
|
|
/** |
619
|
|
|
* Check if the path contains only directories |
620
|
|
|
* |
621
|
|
|
* @param string $path |
622
|
|
|
* @return bool |
623
|
|
|
*/ |
624
|
30 |
|
private function isOnlyDir($path) |
625
|
|
|
{ |
626
|
30 |
|
return substr($path, -1) === '/'; |
627
|
|
|
} |
628
|
|
|
|
629
|
|
|
/** |
630
|
|
|
* Get options from the config. |
631
|
|
|
* |
632
|
|
|
* @param Config $config |
633
|
|
|
* |
634
|
|
|
* @return array |
635
|
|
|
*/ |
636
|
14 |
|
protected function getOptionsFromConfig(Config $config) |
637
|
|
|
{ |
638
|
14 |
|
$options = $this->options; |
639
|
|
|
|
640
|
14 |
|
if ($visibility = $config->get('visibility')) { |
641
|
|
|
// For local reference |
642
|
10 |
|
$options['visibility'] = $visibility; |
643
|
|
|
// For external reference |
644
|
10 |
|
$options['ACL'] = $visibility === AdapterInterface::VISIBILITY_PUBLIC ? 'public-read' : 'private'; |
645
|
5 |
|
} |
646
|
|
|
|
647
|
14 |
|
if ($mimetype = $config->get('mimetype')) { |
648
|
|
|
// For local reference |
649
|
10 |
|
$options['mimetype'] = $mimetype; |
650
|
|
|
// For external reference |
651
|
10 |
|
$options['ContentType'] = $mimetype; |
652
|
5 |
|
} |
653
|
|
|
|
654
|
14 |
|
foreach (static::$metaOptions as $option) { |
655
|
14 |
|
if ( ! $config->has($option)) { |
656
|
14 |
|
continue; |
657
|
|
|
} |
658
|
10 |
|
$options[$option] = $config->get($option); |
659
|
7 |
|
} |
660
|
|
|
|
661
|
14 |
|
return $options; |
662
|
|
|
} |
663
|
|
|
|
664
|
|
|
/** |
665
|
|
|
* Normalize the object result array. |
666
|
|
|
* |
667
|
|
|
* @param array $response |
668
|
|
|
* @param string $path |
669
|
|
|
* |
670
|
|
|
* @return array |
671
|
|
|
*/ |
672
|
28 |
|
protected function normalizeResponse(array $response, $path = null) |
673
|
|
|
{ |
674
|
|
|
$result = [ |
675
|
28 |
|
'path' => $path ?: $this->removePathPrefix( |
676
|
16 |
|
isset($response['Key']) ? $response['Key'] : $response['Prefix'] |
677
|
14 |
|
), |
678
|
14 |
|
]; |
679
|
28 |
|
$result = array_merge($result, Util::pathinfo($result['path'])); |
680
|
|
|
|
681
|
28 |
|
if (isset($response['LastModified'])) { |
682
|
16 |
|
$result['timestamp'] = strtotime($response['LastModified']); |
683
|
8 |
|
} |
684
|
|
|
|
685
|
28 |
|
if ($this->isOnlyDir($result['path'])) { |
686
|
6 |
|
$result['type'] = 'dir'; |
687
|
6 |
|
$result['path'] = rtrim($result['path'], '/'); |
688
|
|
|
|
689
|
6 |
|
return $result; |
690
|
|
|
} |
691
|
|
|
|
692
|
26 |
|
return array_merge($result, Util::map($response, static::$resultMap), ['type' => 'file']); |
693
|
|
|
} |
694
|
|
|
|
695
|
|
|
/** |
696
|
|
|
* @param $location |
697
|
|
|
* |
698
|
|
|
* @return bool |
699
|
|
|
*/ |
700
|
10 |
|
protected function doesDirectoryExist($location) |
701
|
|
|
{ |
702
|
|
|
// Maybe this isn't an actual key, but a prefix. |
703
|
|
|
// Do a prefix listing of objects to determine. |
704
|
10 |
|
$command = $this->s3Client->getCommand( |
705
|
10 |
|
'listObjects', |
706
|
|
|
[ |
707
|
10 |
|
'Bucket' => $this->bucket, |
708
|
10 |
|
'Prefix' => rtrim($location, '/') . '/', |
709
|
10 |
|
'MaxKeys' => 1, |
710
|
|
|
] |
711
|
5 |
|
); |
712
|
|
|
|
713
|
|
|
try { |
714
|
10 |
|
$result = $this->s3Client->execute($command); |
715
|
|
|
|
716
|
6 |
|
return $result['Contents'] || $result['CommonPrefixes']; |
717
|
4 |
|
} catch (S3Exception $e) { |
718
|
4 |
|
if ($e->getStatusCode() === 403) { |
719
|
2 |
|
return false; |
720
|
|
|
} |
721
|
|
|
|
722
|
2 |
|
throw $e; |
723
|
|
|
} |
724
|
|
|
} |
725
|
|
|
} |
726
|
|
|
|