120 lines
3.6 KiB
PHP
120 lines
3.6 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016 Robin Appelman <robin@icewind.nl>
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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\S3\Exception\S3Exception;
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use Aws\S3\S3Client;
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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 = $params;
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}
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/**
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* Returns the connection
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*
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* @return S3Client connected client
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* @throws \Exception if connection could not be made
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*/
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protected function getConnection() {
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if (!is_null($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']) ? $this->params['use_path_style'] : false
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];
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if (isset($this->params['proxy'])) {
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$options['request.options'] = ['proxy' => $this->params['proxy']];
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}
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$this->connection = new S3Client($options);
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if (!$this->connection->isBucketDnsCompatible($this->bucket)) {
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throw new \Exception("The configured bucket name is invalid: " . $this->bucket);
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}
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if (!$this->connection->doesBucketExist($this->bucket)) {
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try {
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$this->connection->createBucket(array(
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'Bucket' => $this->bucket
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));
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$this->testTimeout();
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} catch (S3Exception $e) {
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\OCP\Util::logException('files_external', $e);
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throw new \Exception('Creation of bucket failed. ' . $e->getMessage());
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}
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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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}
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