102 lines
2.6 KiB
PHP
102 lines
2.6 KiB
PHP
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<?php
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namespace Friendica\Addon\s3_storage\src;
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defined('AKEEBAENGINE') or define('AKEEBAENGINE', 1);
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use Akeeba\Engine\Postproc\Connector\S3v4\Configuration;
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use Akeeba\Engine\Postproc\Connector\S3v4\Connector;
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use Akeeba\Engine\Postproc\Connector\S3v4\Exception\CannotDeleteFile;
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use Akeeba\Engine\Postproc\Connector\S3v4\Input;
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use Friendica\Core\Storage\Capability\ICanWriteToStorage;
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use Friendica\Core\Storage\Exception\StorageException;
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use Friendica\Util\Strings;
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/**
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* A WebDav Backend Storage class
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*/
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class S3Client implements ICanWriteToStorage
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{
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const NAME = 'S3';
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/** @var Connector */
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protected $connector;
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/** @var string The name of the bucket used for the backend */
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protected $bucket;
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public function __construct(Configuration $config, string $bucket)
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{
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$this->connector = new Connector($config);
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$this->bucket = $bucket;
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}
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/**
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* Split data ref and return file path
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*
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* @param string $reference Data reference
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*
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* @return string
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*/
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private function pathForRef(string $reference): string
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{
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$fold1 = substr($reference, 0, 2);
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$fold2 = substr($reference, 2, 2);
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$file = substr($reference, 4);
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return implode('/', [$fold1, $fold2, $file]);
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}
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/** {@inheritDoc} */
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public function __toString(): string
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{
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return self::getName();
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}
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/** {@inheritDoc} */
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public static function getName(): string
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{
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return self::NAME;
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}
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/** {@inheritDoc} */
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public function get(string $reference): string
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{
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try {
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return $this->connector->getObject($this->bucket, $this->pathForRef($reference), false);
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} catch (\RuntimeException $exception) {
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throw new StorageException(sprintf('Cannot get reference %s', $reference), $exception->getCode(), $exception);
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}
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}
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/** {@inheritDoc} */
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public function put(string $data, string $reference = ""): string
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{
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if ($reference === '') {
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try {
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$reference = Strings::getRandomHex();
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} catch (\Exception $exception) {
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throw new StorageException('S3 storage failed to generate a random hex', $exception->getCode(), $exception);
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}
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}
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try {
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$input = Input::createFromData($data);
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$this->connector->putObject($input, $this->bucket, $this->pathForRef($reference));
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return $reference;
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} catch (\Exception $exception) {
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throw new StorageException(sprintf('Cannot put data for reference %s', $reference), $exception->getCode(), $exception);
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}
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}
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/** {@inheritDoc} */
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public function delete(string $reference)
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{
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try {
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$this->connector->deleteObject($this->bucket, $this->pathForRef($reference));
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} catch (CannotDeleteFile $exception) {
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throw new StorageException(sprintf('Cannot delete reference %s', $reference), $exception->getCode(), $exception);
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}
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}
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}
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