c62cce8269
Also adjusted all ext storage backends to not override these when the default behavior is expected.
483 lines
11 KiB
PHP
483 lines
11 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Christian Berendt
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* @copyright 2013 Christian Berendt berendt@b1-systems.de
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library 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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace OC\Files\Storage;
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set_include_path(get_include_path() . PATH_SEPARATOR .
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\OC_App::getAppPath('files_external') . '/3rdparty/php-opencloud/lib');
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require_once 'openstack.php';
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use \OpenCloud;
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use \OpenCloud\Common\Exceptions;
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class Swift extends \OC\Files\Storage\Common {
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/**
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* @var \OpenCloud\ObjectStore
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*/
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private $connection;
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/**
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* @var \OpenCloud\ObjectStore\Container
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*/
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private $container;
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/**
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* @var \OpenCloud\OpenStack
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*/
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private $anchor;
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/**
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* @var string
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*/
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private $bucket;
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/**
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* @var array
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*/
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private static $tmpFiles = array();
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private function normalizePath($path) {
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$path = trim($path, '/');
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if (!$path) {
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$path = '.';
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}
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return $path;
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}
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private function doesObjectExist($path) {
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try {
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$object = $this->container->DataObject($path);
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return true;
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} catch (Exceptions\ObjFetchError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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} catch (Exceptions\HttpError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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}
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public function __construct($params) {
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if ((!isset($params['key']) and !isset($params['password']))
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or !isset($params['user']) or !isset($params['bucket'])
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or !isset($params['region'])) {
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throw new \Exception("API Key or password, Username, Bucket and Region have to be configured.");
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}
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$this->id = 'swift::' . $params['user'] . md5($params['bucket']);
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$this->bucket = $params['bucket'];
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if (!isset($params['url'])) {
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$params['url'] = 'https://identity.api.rackspacecloud.com/v2.0/';
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}
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if (!isset($params['service_name'])) {
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$params['service_name'] = 'cloudFiles';
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}
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$settings = array(
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'username' => $params['user'],
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);
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if (isset($params['password'])) {
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$settings['password'] = $params['password'];
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} else if (isset($params['key'])) {
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$settings['apiKey'] = $params['key'];
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}
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if (isset($params['tenant'])) {
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$settings['tenantName'] = $params['tenant'];
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}
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$this->anchor = new \OpenCloud\OpenStack($params['url'], $settings);
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if (isset($params['timeout'])) {
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$this->anchor->setHttpTimeout($params['timeout']);
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}
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$this->connection = $this->anchor->ObjectStore($params['service_name'], $params['region'], 'publicURL');
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try {
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$this->container = $this->connection->Container($this->bucket);
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} catch (Exceptions\ContainerNotFoundError $e) {
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$this->container = $this->connection->Container();
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$this->container->Create(array('name' => $this->bucket));
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}
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if (!$this->file_exists('.')) {
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$this->mkdir('.');
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}
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}
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public function mkdir($path) {
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$path = $this->normalizePath($path);
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if ($this->is_dir($path)) {
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return false;
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}
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if($path !== '.') {
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$path .= '/';
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}
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try {
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$object = $this->container->DataObject();
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$object->Create(array(
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'name' => $path,
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'content_type' => 'httpd/unix-directory'
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));
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} catch (Exceptions\CreateUpdateError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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return true;
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}
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public function file_exists($path) {
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$path = $this->normalizePath($path);
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if ($path !== '.' && $this->is_dir($path)) {
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$path .= '/';
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}
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return $this->doesObjectExist($path);
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}
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public function rmdir($path) {
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$path = $this->normalizePath($path);
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if (!$this->is_dir($path)) {
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return false;
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}
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$dh = $this->opendir($path);
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while ($file = readdir($dh)) {
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if ($file === '.' || $file === '..') {
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continue;
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}
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if ($this->is_dir($path . '/' . $file)) {
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$this->rmdir($path . '/' . $file);
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} else {
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$this->unlink($path . '/' . $file);
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}
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}
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try {
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$object = $this->container->DataObject($path . '/');
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$object->Delete();
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} catch (Exceptions\DeleteError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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return true;
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}
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public function opendir($path) {
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$path = $this->normalizePath($path);
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if ($path === '.') {
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$path = '';
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} else {
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$path .= '/';
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}
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try {
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$files = array();
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$objects = $this->container->ObjectList(array(
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'prefix' => $path,
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'delimiter' => '/'
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));
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while ($object = $objects->Next()) {
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$file = basename($object->Name());
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if ($file !== basename($path)) {
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$files[] = $file;
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}
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}
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\OC\Files\Stream\Dir::register('swift' . $path, $files);
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return opendir('fakedir://swift' . $path);
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} catch (Exception $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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}
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public function stat($path) {
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$path = $this->normalizePath($path);
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if ($this->is_dir($path) && $path != '.') {
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$path .= '/';
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}
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try {
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$object = $this->container->DataObject($path);
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} catch (Exceptions\ObjFetchError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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$mtime = $object->extra_headers['X-Timestamp'];
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if (isset($object->extra_headers['X-Object-Meta-Timestamp'])) {
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$mtime = $object->extra_headers['X-Object-Meta-Timestamp'];
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}
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$stat = array();
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$stat['size'] = $object->content_length;
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$stat['mtime'] = $mtime;
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$stat['atime'] = time();
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return $stat;
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}
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public function filetype($path) {
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$path = $this->normalizePath($path);
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if ($path !== '.' && $this->doesObjectExist($path)) {
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return 'file';
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}
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if ($path !== '.') {
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$path .= '/';
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}
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if ($this->doesObjectExist($path)) {
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return 'dir';
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}
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}
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public function unlink($path) {
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$path = $this->normalizePath($path);
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try {
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$object = $this->container->DataObject($path);
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$object->Delete();
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} catch (Exceptions\DeleteError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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} catch (Exceptions\ObjFetchError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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return true;
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}
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public function fopen($path, $mode) {
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$path = $this->normalizePath($path);
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switch ($mode) {
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case 'r':
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case 'rb':
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$tmpFile = \OC_Helper::tmpFile();
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self::$tmpFiles[$tmpFile] = $path;
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try {
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$object = $this->container->DataObject($path);
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} catch (Exceptions\ObjFetchError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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try {
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$object->SaveToFilename($tmpFile);
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} catch (Exceptions\IOError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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return fopen($tmpFile, 'r');
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case 'w':
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case 'wb':
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case 'a':
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case 'ab':
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case 'r+':
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case 'w+':
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case 'wb+':
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case 'a+':
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case 'x':
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case 'x+':
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case 'c':
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case 'c+':
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if (strrpos($path, '.') !== false) {
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$ext = substr($path, strrpos($path, '.'));
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} else {
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$ext = '';
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}
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$tmpFile = \OC_Helper::tmpFile($ext);
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\OC\Files\Stream\Close::registerCallback($tmpFile, array($this, 'writeBack'));
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if ($this->file_exists($path)) {
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$source = $this->fopen($path, 'r');
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file_put_contents($tmpFile, $source);
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}
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self::$tmpFiles[$tmpFile] = $path;
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return fopen('close://' . $tmpFile, $mode);
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}
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}
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public function getMimeType($path) {
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$path = $this->normalizePath($path);
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if ($this->is_dir($path)) {
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return 'httpd/unix-directory';
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} else if ($this->file_exists($path)) {
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$object = $this->container->DataObject($path);
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return $object->extra_headers["Content-Type"];
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}
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return false;
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}
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public function touch($path, $mtime = null) {
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$path = $this->normalizePath($path);
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if ($this->file_exists($path)) {
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if ($this->is_dir($path) && $path != '.') {
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$path .= '/';
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}
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$object = $this->container->DataObject($path);
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if( is_null($mtime)) {
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$mtime = time();
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}
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$settings = array(
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'name' => $path,
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'extra_headers' => array(
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'X-Object-Meta-Timestamp' => $mtime
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)
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);
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$object->Update($settings);
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} else {
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$object = $this->container->DataObject();
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if (is_null($mtime)) {
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$mtime = time();
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}
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$settings = array(
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'name' => $path,
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'content_type' => 'text/plain',
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'extra_headers' => array(
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'X-Object-Meta-Timestamp' => $mtime
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)
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);
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$object->Create($settings);
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}
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}
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public function copy($path1, $path2) {
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$path1 = $this->normalizePath($path1);
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$path2 = $this->normalizePath($path2);
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if ($this->is_file($path1)) {
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try {
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$source = $this->container->DataObject($path1);
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$target = $this->container->DataObject();
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$target->Create(array(
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'name' => $path2,
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));
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$source->Copy($target);
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} catch (Exceptions\ObjectCopyError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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} else {
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if ($this->file_exists($path2)) {
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return false;
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}
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try {
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$source = $this->container->DataObject($path1 . '/');
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$target = $this->container->DataObject();
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$target->Create(array(
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'name' => $path2 . '/',
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));
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$source->Copy($target);
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} catch (Exceptions\ObjectCopyError $e) {
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\OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
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return false;
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}
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$dh = $this->opendir($path1);
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while ($file = readdir($dh)) {
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if ($file === '.' || $file === '..') {
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continue;
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}
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$source = $path1 . '/' . $file;
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$target = $path2 . '/' . $file;
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$this->copy($source, $target);
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}
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}
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return true;
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}
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public function rename($path1, $path2) {
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$path1 = $this->normalizePath($path1);
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$path2 = $this->normalizePath($path2);
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if ($this->is_file($path1)) {
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if ($this->copy($path1, $path2) === false) {
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return false;
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}
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if ($this->unlink($path1) === false) {
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$this->unlink($path2);
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return false;
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}
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} else {
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if ($this->file_exists($path2)) {
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return false;
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}
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if ($this->copy($path1, $path2) === false) {
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return false;
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}
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if ($this->rmdir($path1) === false) {
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$this->rmdir($path2);
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return false;
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}
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}
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return true;
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}
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public function getId() {
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return $this->id;
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}
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public function getConnection() {
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return $this->connection;
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}
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public function writeBack($tmpFile) {
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if (!isset(self::$tmpFiles[$tmpFile])) {
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return false;
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}
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$object = $this->container->DataObject();
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$object->Create(array(
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'name' => self::$tmpFiles[$tmpFile],
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'content_type' => \OC_Helper::getMimeType($tmpFile)
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), $tmpFile);
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unlink($tmpFile);
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}
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}
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