/apps/files_external/lib/swift.php
PHP | 517 lines | 393 code | 79 blank | 45 comment | 61 complexity | 7931eebd33ae149dc6bad3f8783117a2 MD5 | raw file
Possible License(s): AGPL-3.0, AGPL-1.0, Apache-2.0, MPL-2.0-no-copyleft-exception
- <?php
- /**
- * ownCloud
- *
- * @author Christian Berendt
- * @copyright 2013 Christian Berendt berendt@b1-systems.de
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
- *
- * You should have received a copy of the GNU Affero General Public
- * License along with this library. If not, see <http://www.gnu.org/licenses/>.
- */
- namespace OC\Files\Storage;
- set_include_path(get_include_path() . PATH_SEPARATOR .
- \OC_App::getAppPath('files_external') . '/3rdparty/php-opencloud/lib');
- require_once 'openstack.php';
- use \OpenCloud;
- use \OpenCloud\Common\Exceptions;
- class Swift extends \OC\Files\Storage\Common {
- /**
- * @var \OpenCloud\ObjectStore
- */
- private $connection;
- /**
- * @var \OpenCloud\ObjectStore\Container
- */
- private $container;
- /**
- * @var \OpenCloud\OpenStack
- */
- private $anchor;
- /**
- * @var string
- */
- private $bucket;
- /**
- * @var array
- */
- private static $tmpFiles = array();
- /**
- * @param string $path
- */
- private function normalizePath($path) {
- $path = trim($path, '/');
- if (!$path) {
- $path = '.';
- }
- return $path;
- }
- const SUBCONTAINER_FILE='.subcontainers';
- /**
- * translate directory path to container name
- * @param string $path
- * @return string
- */
- private function getContainerName($path) {
- $path=trim(trim($this->root, '/') . "/".$path, '/.');
- return str_replace('/', '\\', $path);
- }
- /**
- * @param string $path
- */
- private function doesObjectExist($path) {
- try {
- $object = $this->container->DataObject($path);
- return true;
- } catch (Exceptions\ObjFetchError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- } catch (Exceptions\HttpError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- }
- }
- public function __construct($params) {
- if ((!isset($params['key']) and !isset($params['password']))
- or !isset($params['user']) or !isset($params['bucket'])
- or !isset($params['region'])) {
- throw new \Exception("API Key or password, Username, Bucket and Region have to be configured.");
- }
- $this->id = 'swift::' . $params['user'] . md5($params['bucket']);
- $this->bucket = $params['bucket'];
- if (!isset($params['url'])) {
- $params['url'] = 'https://identity.api.rackspacecloud.com/v2.0/';
- }
- if (!isset($params['service_name'])) {
- $params['service_name'] = 'cloudFiles';
- }
- $settings = array(
- 'username' => $params['user'],
-
- );
- if (isset($params['password'])) {
- $settings['password'] = $params['password'];
- } else if (isset($params['key'])) {
- $settings['apiKey'] = $params['key'];
- }
- if (isset($params['tenant'])) {
- $settings['tenantName'] = $params['tenant'];
- }
- $this->anchor = new \OpenCloud\OpenStack($params['url'], $settings);
- if (isset($params['timeout'])) {
- $this->anchor->setHttpTimeout($params['timeout']);
- }
- $this->connection = $this->anchor->ObjectStore($params['service_name'], $params['region'], 'publicURL');
- try {
- $this->container = $this->connection->Container($this->bucket);
- } catch (Exceptions\ContainerNotFoundError $e) {
- $this->container = $this->connection->Container();
- $this->container->Create(array('name' => $this->bucket));
- }
- if (!$this->file_exists('.')) {
- $this->mkdir('.');
- }
- }
- public function mkdir($path) {
- $path = $this->normalizePath($path);
- if ($this->is_dir($path)) {
- return false;
- }
- if($path !== '.') {
- $path .= '/';
- }
- try {
- $object = $this->container->DataObject();
- $object->Create(array(
- 'name' => $path,
- 'content_type' => 'httpd/unix-directory'
- ));
- } catch (Exceptions\CreateUpdateError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- }
- return true;
- }
- public function file_exists($path) {
- $path = $this->normalizePath($path);
- if ($path !== '.' && $this->is_dir($path)) {
- $path .= '/';
- }
- return $this->doesObjectExist($path);
- }
- public function rmdir($path) {
- $path = $this->normalizePath($path);
- if (!$this->is_dir($path)) {
- return false;
- }
- $dh = $this->opendir($path);
- while ($file = readdir($dh)) {
- if ($file === '.' || $file === '..') {
- continue;
- }
- if ($this->is_dir($path . '/' . $file)) {
- $this->rmdir($path . '/' . $file);
- } else {
- $this->unlink($path . '/' . $file);
- }
- }
- try {
- $object = $this->container->DataObject($path . '/');
- $object->Delete();
- } catch (Exceptions\DeleteError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- }
- return true;
- }
- public function opendir($path) {
- $path = $this->normalizePath($path);
- if ($path === '.') {
- $path = '';
- } else {
- $path .= '/';
- }
- try {
- $files = array();
- $objects = $this->container->ObjectList(array(
- 'prefix' => $path,
- 'delimiter' => '/'
- ));
- while ($object = $objects->Next()) {
- $file = basename($object->Name());
- if ($file !== basename($path)) {
- $files[] = $file;
- }
- }
- \OC\Files\Stream\Dir::register('swift' . $path, $files);
- return opendir('fakedir://swift' . $path);
- } catch (Exception $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- }
- }
- public function stat($path) {
- $path = $this->normalizePath($path);
- if ($this->is_dir($path) && $path != '.') {
- $path .= '/';
- }
- try {
- $object = $this->container->DataObject($path);
- } catch (Exceptions\ObjFetchError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- }
- $mtime = $object->extra_headers['X-Timestamp'];
- if (isset($object->extra_headers['X-Object-Meta-Timestamp'])) {
- $mtime = $object->extra_headers['X-Object-Meta-Timestamp'];
- }
- if (!empty($mtime)) {
- $mtime = floor($mtime);
- }
- $stat = array();
- $stat['size'] = $object->content_length;
- $stat['mtime'] = $mtime;
- $stat['atime'] = time();
- return $stat;
- }
- public function filetype($path) {
- $path = $this->normalizePath($path);
- if ($path !== '.' && $this->doesObjectExist($path)) {
- return 'file';
- }
- if ($path !== '.') {
- $path .= '/';
- }
- if ($this->doesObjectExist($path)) {
- return 'dir';
- }
- }
- public function unlink($path) {
- $path = $this->normalizePath($path);
- try {
- $object = $this->container->DataObject($path);
- $object->Delete();
- } catch (Exceptions\DeleteError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- } catch (Exceptions\ObjFetchError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- }
- return true;
- }
- public function fopen($path, $mode) {
- $path = $this->normalizePath($path);
- switch ($mode) {
- case 'r':
- case 'rb':
- $tmpFile = \OC_Helper::tmpFile();
- self::$tmpFiles[$tmpFile] = $path;
- try {
- $object = $this->container->DataObject($path);
- } catch (Exceptions\ObjFetchError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- }
- try {
- $object->SaveToFilename($tmpFile);
- } catch (Exceptions\IOError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- }
- return fopen($tmpFile, 'r');
- case 'w':
- case 'wb':
- case 'a':
- case 'ab':
- case 'r+':
- case 'w+':
- case 'wb+':
- case 'a+':
- case 'x':
- case 'x+':
- case 'c':
- case 'c+':
- if (strrpos($path, '.') !== false) {
- $ext = substr($path, strrpos($path, '.'));
- } else {
- $ext = '';
- }
- $tmpFile = \OC_Helper::tmpFile($ext);
- \OC\Files\Stream\Close::registerCallback($tmpFile, array($this, 'writeBack'));
- if ($this->file_exists($path)) {
- $source = $this->fopen($path, 'r');
- file_put_contents($tmpFile, $source);
- }
- self::$tmpFiles[$tmpFile] = $path;
- return fopen('close://' . $tmpFile, $mode);
- }
- }
- public function getMimeType($path) {
- $path = $this->normalizePath($path);
- if ($this->is_dir($path)) {
- return 'httpd/unix-directory';
- } else if ($this->file_exists($path)) {
- $object = $this->container->DataObject($path);
- return $object->extra_headers["Content-Type"];
- }
- return false;
- }
- public function touch($path, $mtime = null) {
- $path = $this->normalizePath($path);
- if ($this->file_exists($path)) {
- if ($this->is_dir($path) && $path != '.') {
- $path .= '/';
- }
- $object = $this->container->DataObject($path);
- if( is_null($mtime)) {
- $mtime = time();
- }
- $settings = array(
- 'name' => $path,
- 'extra_headers' => array(
- 'X-Object-Meta-Timestamp' => $mtime
- )
- );
- return $object->UpdateMetadata($settings);
- } else {
- $object = $this->container->DataObject();
- if (is_null($mtime)) {
- $mtime = time();
- }
- $settings = array(
- 'name' => $path,
- 'content_type' => 'text/plain',
- 'extra_headers' => array(
- 'X-Object-Meta-Timestamp' => $mtime
- )
- );
- return $object->Create($settings);
- }
- }
- public function copy($path1, $path2) {
- $path1 = $this->normalizePath($path1);
- $path2 = $this->normalizePath($path2);
- if ($this->is_file($path1)) {
- try {
- $source = $this->container->DataObject($path1);
- $target = $this->container->DataObject();
- $target->Create(array(
- 'name' => $path2,
- ));
- $source->Copy($target);
- } catch (Exceptions\ObjectCopyError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- }
- } else {
- if ($this->file_exists($path2)) {
- return false;
- }
- try {
- $source = $this->container->DataObject($path1 . '/');
- $target = $this->container->DataObject();
- $target->Create(array(
- 'name' => $path2 . '/',
- ));
- $source->Copy($target);
- } catch (Exceptions\ObjectCopyError $e) {
- \OCP\Util::writeLog('files_external', $e->getMessage(), \OCP\Util::ERROR);
- return false;
- }
- $dh = $this->opendir($path1);
- while ($file = readdir($dh)) {
- if ($file === '.' || $file === '..') {
- continue;
- }
- $source = $path1 . '/' . $file;
- $target = $path2 . '/' . $file;
- $this->copy($source, $target);
- }
- }
- return true;
- }
- public function rename($path1, $path2) {
- $path1 = $this->normalizePath($path1);
- $path2 = $this->normalizePath($path2);
- if ($this->is_file($path1)) {
- if ($this->copy($path1, $path2) === false) {
- return false;
- }
- if ($this->unlink($path1) === false) {
- $this->unlink($path2);
- return false;
- }
- } else {
- if ($this->file_exists($path2)) {
- return false;
- }
- if ($this->copy($path1, $path2) === false) {
- return false;
- }
- if ($this->rmdir($path1) === false) {
- $this->rmdir($path2);
- return false;
- }
- }
- return true;
- }
- public function getId() {
- return $this->id;
- }
- public function getConnection() {
- return $this->connection;
- }
- public function writeBack($tmpFile) {
- if (!isset(self::$tmpFiles[$tmpFile])) {
- return false;
- }
- $object = $this->container->DataObject();
- $object->Create(array(
- 'name' => self::$tmpFiles[$tmpFile],
- 'content_type' => \OC_Helper::getMimeType($tmpFile)
- ), $tmpFile);
- unlink($tmpFile);
- }
- /**
- * check if curl is installed
- */
- public static function checkDependencies() {
- if (function_exists('curl_init')) {
- return true;
- } else {
- return array('curl');
- }
- }
- }