server/apps/files_external/lib/swift.php
Vincent Petry fa00a18677 Fixed mtime reading from OpenStack API
The API seems to return floating point values, which prevents
the hasUpdated() check to work and causes the scanner to rescan
everything every time.
2014-03-26 17:20:40 +01:00

493 lines
11 KiB
PHP

<?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;
}
/**
* @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 $object->Update($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);
}
}