256 lines
7.5 KiB
PHP
256 lines
7.5 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
*
|
|
* @author Andreas Fischer <bantu@owncloud.com>
|
|
* @author Bart Visscher <bartv@thisnet.nl>
|
|
* @author Bjoern Schiessle <bjoern@schiessle.org>
|
|
* @author Björn Schießle <bjoern@schiessle.org>
|
|
* @author Joas Schilling <coding@schilljs.com>
|
|
* @author Lukas Reschke <lukas@statuscode.ch>
|
|
* @author Michael Gapczynski <GapczynskiM@gmail.com>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author Robin Appelman <robin@icewind.nl>
|
|
* @author Roeland Jago Douma <roeland@famdouma.nl>
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
* @author Vincent Petry <pvince81@owncloud.com>
|
|
*
|
|
* @license AGPL-3.0
|
|
*
|
|
* This code is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3,
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program 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, version 3,
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>
|
|
*
|
|
*/
|
|
|
|
namespace OCA\Files_Sharing\ShareBackend;
|
|
|
|
use OCA\FederatedFileSharing\FederatedShareProvider;
|
|
|
|
class File implements \OCP\Share_Backend_File_Dependent {
|
|
|
|
const FORMAT_SHARED_STORAGE = 0;
|
|
const FORMAT_GET_FOLDER_CONTENTS = 1;
|
|
const FORMAT_FILE_APP_ROOT = 2;
|
|
const FORMAT_OPENDIR = 3;
|
|
const FORMAT_GET_ALL = 4;
|
|
const FORMAT_PERMISSIONS = 5;
|
|
const FORMAT_TARGET_NAMES = 6;
|
|
|
|
private $path;
|
|
|
|
/** @var FederatedShareProvider */
|
|
private $federatedShareProvider;
|
|
|
|
public function __construct(FederatedShareProvider $federatedShareProvider = null) {
|
|
if ($federatedShareProvider) {
|
|
$this->federatedShareProvider = $federatedShareProvider;
|
|
} else {
|
|
$federatedSharingApp = new \OCA\FederatedFileSharing\AppInfo\Application();
|
|
$this->federatedShareProvider = $federatedSharingApp->getFederatedShareProvider();
|
|
}
|
|
}
|
|
|
|
public function isValidSource($itemSource, $uidOwner) {
|
|
try {
|
|
$path = \OC\Files\Filesystem::getPath($itemSource);
|
|
// FIXME: attributes should not be set here,
|
|
// keeping this pattern for now to avoid unexpected
|
|
// regressions
|
|
$this->path = \OC\Files\Filesystem::normalizePath(basename($path));
|
|
return true;
|
|
} catch (\OCP\Files\NotFoundException $e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
public function getFilePath($itemSource, $uidOwner) {
|
|
if (isset($this->path)) {
|
|
$path = $this->path;
|
|
$this->path = null;
|
|
return $path;
|
|
} else {
|
|
try {
|
|
$path = \OC\Files\Filesystem::getPath($itemSource);
|
|
return $path;
|
|
} catch (\OCP\Files\NotFoundException $e) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* create unique target
|
|
* @param string $filePath
|
|
* @param string $shareWith
|
|
* @param array $exclude (optional)
|
|
* @return string
|
|
*/
|
|
public function generateTarget($filePath, $shareWith, $exclude = null) {
|
|
$shareFolder = \OCA\Files_Sharing\Helper::getShareFolder();
|
|
$target = \OC\Files\Filesystem::normalizePath($shareFolder . '/' . basename($filePath));
|
|
|
|
// for group shares we return the target right away
|
|
if ($shareWith === false) {
|
|
return $target;
|
|
}
|
|
|
|
\OC\Files\Filesystem::initMountPoints($shareWith);
|
|
$view = new \OC\Files\View('/' . $shareWith . '/files');
|
|
|
|
if (!$view->is_dir($shareFolder)) {
|
|
$dir = '';
|
|
$subdirs = explode('/', $shareFolder);
|
|
foreach ($subdirs as $subdir) {
|
|
$dir = $dir . '/' . $subdir;
|
|
if (!$view->is_dir($dir)) {
|
|
$view->mkdir($dir);
|
|
}
|
|
}
|
|
}
|
|
|
|
$excludeList = is_array($exclude) ? $exclude : array();
|
|
|
|
return \OCA\Files_Sharing\Helper::generateUniqueTarget($target, $excludeList, $view);
|
|
}
|
|
|
|
public function formatItems($items, $format, $parameters = null) {
|
|
if ($format === self::FORMAT_SHARED_STORAGE) {
|
|
// Only 1 item should come through for this format call
|
|
$item = array_shift($items);
|
|
return array(
|
|
'parent' => $item['parent'],
|
|
'path' => $item['path'],
|
|
'storage' => $item['storage'],
|
|
'permissions' => $item['permissions'],
|
|
'uid_owner' => $item['uid_owner'],
|
|
);
|
|
} else if ($format === self::FORMAT_GET_FOLDER_CONTENTS) {
|
|
$files = array();
|
|
foreach ($items as $item) {
|
|
$file = array();
|
|
$file['fileid'] = $item['file_source'];
|
|
$file['storage'] = $item['storage'];
|
|
$file['path'] = $item['file_target'];
|
|
$file['parent'] = $item['file_parent'];
|
|
$file['name'] = basename($item['file_target']);
|
|
$file['mimetype'] = $item['mimetype'];
|
|
$file['mimepart'] = $item['mimepart'];
|
|
$file['mtime'] = $item['mtime'];
|
|
$file['encrypted'] = $item['encrypted'];
|
|
$file['etag'] = $item['etag'];
|
|
$file['uid_owner'] = $item['uid_owner'];
|
|
$file['displayname_owner'] = $item['displayname_owner'];
|
|
|
|
$storage = \OC\Files\Filesystem::getStorage('/');
|
|
$cache = $storage->getCache();
|
|
$file['size'] = $item['size'];
|
|
$files[] = $file;
|
|
}
|
|
return $files;
|
|
} else if ($format === self::FORMAT_OPENDIR) {
|
|
$files = array();
|
|
foreach ($items as $item) {
|
|
$files[] = basename($item['file_target']);
|
|
}
|
|
return $files;
|
|
} else if ($format === self::FORMAT_GET_ALL) {
|
|
$ids = array();
|
|
foreach ($items as $item) {
|
|
$ids[] = $item['file_source'];
|
|
}
|
|
return $ids;
|
|
} else if ($format === self::FORMAT_PERMISSIONS) {
|
|
$filePermissions = array();
|
|
foreach ($items as $item) {
|
|
$filePermissions[$item['file_source']] = $item['permissions'];
|
|
}
|
|
return $filePermissions;
|
|
} else if ($format === self::FORMAT_TARGET_NAMES) {
|
|
$targets = array();
|
|
foreach ($items as $item) {
|
|
$targets[] = $item['file_target'];
|
|
}
|
|
return $targets;
|
|
}
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* check if server2server share is enabled
|
|
*
|
|
* @param int $shareType
|
|
* @return boolean
|
|
*/
|
|
public function isShareTypeAllowed($shareType) {
|
|
if ($shareType === \OCP\Share::SHARE_TYPE_REMOTE) {
|
|
return $this->federatedShareProvider->isOutgoingServer2serverShareEnabled();
|
|
}
|
|
|
|
if ($shareType === \OCP\Share::SHARE_TYPE_REMOTE_GROUP) {
|
|
return $this->federatedShareProvider->isOutgoingServer2serverGroupShareEnabled();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* resolve reshares to return the correct source item
|
|
* @param array $source
|
|
* @return array source item
|
|
*/
|
|
protected static function resolveReshares($source) {
|
|
if (isset($source['parent'])) {
|
|
$parent = $source['parent'];
|
|
while (isset($parent)) {
|
|
$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder();
|
|
$qb->select('parent', 'uid_owner')
|
|
->from('share')
|
|
->where(
|
|
$qb->expr()->eq('id', $qb->createNamedParameter($parent))
|
|
);
|
|
$result = $qb->execute();
|
|
$item = $result->fetch();
|
|
$result->closeCursor();
|
|
if (isset($item['parent'])) {
|
|
$parent = $item['parent'];
|
|
} else {
|
|
$fileOwner = $item['uid_owner'];
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
$fileOwner = $source['uid_owner'];
|
|
}
|
|
if (isset($fileOwner)) {
|
|
$source['fileOwner'] = $fileOwner;
|
|
} else {
|
|
\OC::$server->getLogger()->error('No owner found for reshare', ['app' => 'files_sharing']);
|
|
}
|
|
|
|
return $source;
|
|
}
|
|
|
|
/**
|
|
* @param string $target
|
|
* @param array $share
|
|
* @return array|false source item
|
|
*/
|
|
public static function getSource($target, $share) {
|
|
if ($share['item_type'] === 'folder' && $target !== '') {
|
|
// note: in case of ext storage mount points the path might be empty
|
|
// which would cause a leading slash to appear
|
|
$share['path'] = ltrim($share['path'] . '/' . $target, '/');
|
|
}
|
|
return self::resolveReshares($share);
|
|
}
|
|
}
|