nextcloud/apps/files_sharing/lib/MountProvider.php

165 lines
4.2 KiB
PHP
Raw Normal View History

<?php
/**
2016-07-22 10:45:36 +03:00
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
2015-06-25 12:43:55 +03:00
* @author Morris Jobke <hey@morrisjobke.de>
2016-07-22 10:45:36 +03:00
* @author Robin Appelman <robin@icewind.nl>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Vincent Petry <pvince81@owncloud.com>
2015-06-25 12:43:55 +03:00
*
* @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;
use OCP\Files\Config\IMountProvider;
use OCP\Files\Storage\IStorageFactory;
use OCP\IConfig;
use OCP\ILogger;
use OCP\IUser;
use OCP\Share\IManager;
class MountProvider implements IMountProvider {
/**
* @var \OCP\IConfig
*/
protected $config;
/**
* @var IManager
*/
protected $shareManager;
/**
* @var ILogger
*/
protected $logger;
/**
* @param \OCP\IConfig $config
* @param IManager $shareManager
* @param ILogger $logger
*/
public function __construct(IConfig $config, IManager $shareManager, ILogger $logger) {
$this->config = $config;
$this->shareManager = $shareManager;
$this->logger = $logger;
}
/**
2015-04-20 14:32:09 +03:00
* Get all mountpoints applicable for the user and check for shares where we need to update the etags
*
* @param \OCP\IUser $user
* @param \OCP\Files\Storage\IStorageFactory $storageFactory
* @return \OCP\Files\Mount\IMountPoint[]
*/
public function getMountsForUser(IUser $user, IStorageFactory $storageFactory) {
$shares = $this->shareManager->getSharedWith($user->getUID(), \OCP\Share::SHARE_TYPE_USER, null, -1);
$shares = array_merge($shares, $this->shareManager->getSharedWith($user->getUID(), \OCP\Share::SHARE_TYPE_GROUP, null, -1));
// filter out excluded shares and group shares that includes self
$shares = array_filter($shares, function (\OCP\Share\IShare $share) use ($user) {
return $share->getPermissions() > 0 && $share->getShareOwner() !== $user->getUID();
});
$groupedShares = $this->groupShares($shares);
$superShares = $this->superShares($groupedShares);
$mounts = [];
foreach ($superShares as $share) {
try {
$mounts[] = new SharedMount(
'\OC\Files\Storage\Shared',
$mounts,
[
'user' => $user->getUID(),
'superShare' => $share[0],
'groupedShares' => $share[1],
],
$storageFactory
);
} catch (\Exception $e) {
$this->logger->logException($e);
$this->logger->error('Error while trying to create shared mount');
}
}
// array_filter removes the null values from the array
return array_filter($mounts);
}
/**
* @param \OCP\Share\IShare[] $shares
* @return \OCP\Share\IShare[]
*/
private function groupShares(array $shares) {
$tmp = [];
foreach ($shares as $share) {
if (!isset($tmp[$share->getNodeId()])) {
$tmp[$share->getNodeId()] = [];
}
$tmp[$share->getNodeId()][$share->getTarget()][] = $share;
}
$result = [];
foreach ($tmp as $tmp2) {
foreach ($tmp2 as $item) {
$result[] = $item;
}
}
return $result;
}
/**
* Extract super shares
*
* @param array $shares Array of \OCP\Share\IShare[]
* @return array Tuple of [superShare, groupedShares]
*/
private function superShares(array $groupedShares) {
$result = [];
/** @var \OCP\Share\IShare[] $shares */
foreach ($groupedShares as $shares) {
if (count($shares) === 0) {
continue;
}
$superShare = $this->shareManager->newShare();
$superShare->setId($shares[0]->getId())
->setShareOwner($shares[0]->getShareOwner())
->setNodeId($shares[0]->getNodeId())
->setTarget($shares[0]->getTarget());
$permissions = 0;
foreach ($shares as $share) {
$permissions |= $share->getPermissions();
}
$superShare->setPermissions($permissions);
$result[] = [$superShare, $shares];
}
return $result;
}
}