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<?php |
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/** |
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* @copyright Copyright (c) 2016 Robin Appelman <[email protected]> |
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* |
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* @author Morris Jobke <[email protected]> |
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* @author Robin Appelman <[email protected]> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OC\Files\ObjectStore; |
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use Aws\ClientResolver; |
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use Aws\S3\Exception\S3Exception; |
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use Aws\S3\S3Client; |
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use OCP\ILogger; |
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trait S3ConnectionTrait { |
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/** @var array */ |
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protected $params; |
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/** @var S3Client */ |
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protected $connection; |
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/** @var string */ |
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protected $id; |
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/** @var string */ |
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protected $bucket; |
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/** @var int */ |
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protected $timeout; |
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protected $test; |
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protected function parseParams($params) { |
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if (empty($params['key']) || empty($params['secret']) || empty($params['bucket'])) { |
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throw new \Exception("Access Key, Secret and Bucket have to be configured."); |
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} |
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$this->id = 'amazon::' . $params['bucket']; |
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$this->test = isset($params['test']); |
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$this->bucket = $params['bucket']; |
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$this->timeout = !isset($params['timeout']) ? 15 : $params['timeout']; |
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$params['region'] = empty($params['region']) ? 'eu-west-1' : $params['region']; |
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$params['hostname'] = empty($params['hostname']) ? 's3.' . $params['region'] . '.amazonaws.com' : $params['hostname']; |
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if (!isset($params['port']) || $params['port'] === '') { |
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$params['port'] = (isset($params['use_ssl']) && $params['use_ssl'] === false) ? 80 : 443; |
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} |
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$this->params = $params; |
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} |
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public function getBucket() { |
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return $this->bucket; |
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} |
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/** |
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* Returns the connection |
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* |
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* @return S3Client connected client |
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* @throws \Exception if connection could not be made |
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*/ |
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public function getConnection() { |
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if (!is_null($this->connection)) { |
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return $this->connection; |
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} |
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$scheme = (isset($this->params['use_ssl']) && $this->params['use_ssl'] === false) ? 'http' : 'https'; |
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$base_url = $scheme . '://' . $this->params['hostname'] . ':' . $this->params['port'] . '/'; |
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$options = [ |
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'version' => isset($this->params['version']) ? $this->params['version'] : 'latest', |
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'credentials' => [ |
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'key' => $this->params['key'], |
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'secret' => $this->params['secret'], |
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], |
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'endpoint' => $base_url, |
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'region' => $this->params['region'], |
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'use_path_style_endpoint' => isset($this->params['use_path_style']) ? $this->params['use_path_style'] : false, |
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'signature_provider' => \Aws\or_chain([self::class, 'legacySignatureProvider'], ClientResolver::_default_signature_provider()) |
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]; |
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if (isset($this->params['proxy'])) { |
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$options['request.options'] = ['proxy' => $this->params['proxy']]; |
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} |
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if (isset($this->params['legacy_auth']) && $this->params['legacy_auth']) { |
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$options['signature_version'] = 'v2'; |
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} |
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$this->connection = new S3Client($options); |
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if (!$this->connection->isBucketDnsCompatible($this->bucket)) { |
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$logger = \OC::$server->getLogger(); |
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$logger->debug('Bucket "' . $this->bucket . '" This bucket name is not dns compatible, it may contain invalid characters.', |
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['app' => 'objectstore']); |
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} |
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if (!$this->connection->doesBucketExist($this->bucket)) { |
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$logger = \OC::$server->getLogger(); |
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try { |
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$logger->info('Bucket "' . $this->bucket . '" does not exist - creating it.', ['app' => 'objectstore']); |
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if (!$this->connection->isBucketDnsCompatible($this->bucket)) { |
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throw new \Exception("The bucket will not be created because the name is not dns compatible, please correct it: " . $this->bucket); |
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} |
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$this->connection->createBucket(array('Bucket' => $this->bucket)); |
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$this->testTimeout(); |
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} catch (S3Exception $e) { |
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$logger->logException($e, [ |
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'message' => 'Invalid remote storage.', |
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'level' => ILogger::DEBUG, |
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'app' => 'objectstore', |
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]); |
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throw new \Exception('Creation of bucket "' . $this->bucket . '" failed. ' . $e->getMessage()); |
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} |
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} |
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// google cloud's s3 compatibility doesn't like the EncodingType parameter |
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if (strpos($base_url, 'storage.googleapis.com')) { |
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$this->connection->getHandlerList()->remove('s3.auto_encode'); |
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} |
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return $this->connection; |
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} |
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/** |
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* when running the tests wait to let the buckets catch up |
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*/ |
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private function testTimeout() { |
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if ($this->test) { |
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sleep($this->timeout); |
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} |
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} |
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public static function legacySignatureProvider($version, $service, $region) { |
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switch ($version) { |
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case 'v2': |
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case 's3': |
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return new S3Signature(); |
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default: |
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return null; |
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} |
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} |
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} |
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nextcloud /
server
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.